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5769d3cd | 1 | /* Target-dependent code for GDB, the GNU debugger. |
ca557f44 | 2 | |
61baf725 | 3 | Copyright (C) 2001-2017 Free Software Foundation, Inc. |
ca557f44 | 4 | |
5769d3cd AC |
5 | Contributed by D.J. Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) |
6 | for IBM Deutschland Entwicklung GmbH, IBM Corporation. | |
7 | ||
8 | This file is part of GDB. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
5769d3cd AC |
13 | (at your option) any later version. |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
5769d3cd | 22 | |
d0f54f9d | 23 | #include "defs.h" |
5769d3cd AC |
24 | #include "arch-utils.h" |
25 | #include "frame.h" | |
26 | #include "inferior.h" | |
45741a9c | 27 | #include "infrun.h" |
5769d3cd AC |
28 | #include "symtab.h" |
29 | #include "target.h" | |
30 | #include "gdbcore.h" | |
31 | #include "gdbcmd.h" | |
5769d3cd | 32 | #include "objfiles.h" |
5769d3cd AC |
33 | #include "floatformat.h" |
34 | #include "regcache.h" | |
a8c99f38 JB |
35 | #include "trad-frame.h" |
36 | #include "frame-base.h" | |
37 | #include "frame-unwind.h" | |
a431654a | 38 | #include "dwarf2-frame.h" |
d0f54f9d JB |
39 | #include "reggroups.h" |
40 | #include "regset.h" | |
fd0407d6 | 41 | #include "value.h" |
a89aa300 | 42 | #include "dis-asm.h" |
76a9d10f | 43 | #include "solib-svr4.h" |
3fc46200 | 44 | #include "prologue-value.h" |
70728992 | 45 | #include "linux-tdep.h" |
0e5fae36 | 46 | #include "s390-linux-tdep.h" |
566c56c9 MK |
47 | #include "linux-record.h" |
48 | #include "record-full.h" | |
4ac33720 | 49 | #include "auxv.h" |
237b092b | 50 | #include "xml-syscall.h" |
5769d3cd | 51 | |
55aa24fb SDJ |
52 | #include "stap-probe.h" |
53 | #include "ax.h" | |
54 | #include "ax-gdb.h" | |
55 | #include "user-regs.h" | |
56 | #include "cli/cli-utils.h" | |
57 | #include <ctype.h> | |
04a83fee | 58 | #include "elf/common.h" |
417c80f9 AA |
59 | #include "elf/s390.h" |
60 | #include "elf-bfd.h" | |
325fac50 | 61 | #include <algorithm> |
55aa24fb | 62 | |
7803799a | 63 | #include "features/s390-linux32.c" |
c642a434 UW |
64 | #include "features/s390-linux32v1.c" |
65 | #include "features/s390-linux32v2.c" | |
7803799a | 66 | #include "features/s390-linux64.c" |
c642a434 UW |
67 | #include "features/s390-linux64v1.c" |
68 | #include "features/s390-linux64v2.c" | |
4ac33720 | 69 | #include "features/s390-te-linux64.c" |
550bdf96 AA |
70 | #include "features/s390-vx-linux64.c" |
71 | #include "features/s390-tevx-linux64.c" | |
7803799a | 72 | #include "features/s390x-linux64.c" |
c642a434 UW |
73 | #include "features/s390x-linux64v1.c" |
74 | #include "features/s390x-linux64v2.c" | |
4ac33720 | 75 | #include "features/s390x-te-linux64.c" |
550bdf96 AA |
76 | #include "features/s390x-vx-linux64.c" |
77 | #include "features/s390x-tevx-linux64.c" | |
7803799a | 78 | |
237b092b AA |
79 | #define XML_SYSCALL_FILENAME_S390 "syscalls/s390-linux.xml" |
80 | #define XML_SYSCALL_FILENAME_S390X "syscalls/s390x-linux.xml" | |
81 | ||
65b48a81 PB |
82 | /* Holds the current set of options to be passed to the disassembler. */ |
83 | static char *s390_disassembler_options; | |
84 | ||
52059ffd TT |
85 | enum s390_abi_kind |
86 | { | |
87 | ABI_LINUX_S390, | |
88 | ABI_LINUX_ZSERIES | |
89 | }; | |
90 | ||
417c80f9 AA |
91 | enum s390_vector_abi_kind |
92 | { | |
93 | S390_VECTOR_ABI_NONE, | |
94 | S390_VECTOR_ABI_128 | |
95 | }; | |
96 | ||
d0f54f9d JB |
97 | /* The tdep structure. */ |
98 | ||
99 | struct gdbarch_tdep | |
5769d3cd | 100 | { |
b0cf273e | 101 | /* ABI version. */ |
52059ffd | 102 | enum s390_abi_kind abi; |
b0cf273e | 103 | |
417c80f9 AA |
104 | /* Vector ABI. */ |
105 | enum s390_vector_abi_kind vector_abi; | |
106 | ||
7803799a UW |
107 | /* Pseudo register numbers. */ |
108 | int gpr_full_regnum; | |
109 | int pc_regnum; | |
110 | int cc_regnum; | |
550bdf96 | 111 | int v0_full_regnum; |
7803799a | 112 | |
5aa82d05 AA |
113 | int have_linux_v1; |
114 | int have_linux_v2; | |
115 | int have_tdb; | |
d0f54f9d JB |
116 | }; |
117 | ||
118 | ||
7803799a UW |
119 | /* ABI call-saved register information. */ |
120 | ||
121 | static int | |
122 | s390_register_call_saved (struct gdbarch *gdbarch, int regnum) | |
d0f54f9d | 123 | { |
7803799a UW |
124 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
125 | ||
126 | switch (tdep->abi) | |
6707b003 | 127 | { |
7803799a UW |
128 | case ABI_LINUX_S390: |
129 | if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM) | |
130 | || regnum == S390_F4_REGNUM || regnum == S390_F6_REGNUM | |
131 | || regnum == S390_A0_REGNUM) | |
132 | return 1; | |
6707b003 | 133 | |
7803799a UW |
134 | break; |
135 | ||
136 | case ABI_LINUX_ZSERIES: | |
137 | if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM) | |
138 | || (regnum >= S390_F8_REGNUM && regnum <= S390_F15_REGNUM) | |
139 | || (regnum >= S390_A0_REGNUM && regnum <= S390_A1_REGNUM)) | |
140 | return 1; | |
141 | ||
142 | break; | |
143 | } | |
144 | ||
145 | return 0; | |
5769d3cd AC |
146 | } |
147 | ||
c642a434 UW |
148 | static int |
149 | s390_cannot_store_register (struct gdbarch *gdbarch, int regnum) | |
150 | { | |
151 | /* The last-break address is read-only. */ | |
152 | return regnum == S390_LAST_BREAK_REGNUM; | |
153 | } | |
154 | ||
155 | static void | |
156 | s390_write_pc (struct regcache *regcache, CORE_ADDR pc) | |
157 | { | |
158 | struct gdbarch *gdbarch = get_regcache_arch (regcache); | |
159 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
160 | ||
161 | regcache_cooked_write_unsigned (regcache, tdep->pc_regnum, pc); | |
162 | ||
163 | /* Set special SYSTEM_CALL register to 0 to prevent the kernel from | |
164 | messing with the PC we just installed, if we happen to be within | |
165 | an interrupted system call that the kernel wants to restart. | |
166 | ||
167 | Note that after we return from the dummy call, the SYSTEM_CALL and | |
168 | ORIG_R2 registers will be automatically restored, and the kernel | |
169 | continues to restart the system call at this point. */ | |
170 | if (register_size (gdbarch, S390_SYSTEM_CALL_REGNUM) > 0) | |
171 | regcache_cooked_write_unsigned (regcache, S390_SYSTEM_CALL_REGNUM, 0); | |
172 | } | |
173 | ||
f79a3bae MK |
174 | /* The "guess_tracepoint_registers" gdbarch method. */ |
175 | ||
176 | static void | |
177 | s390_guess_tracepoint_registers (struct gdbarch *gdbarch, | |
178 | struct regcache *regcache, | |
179 | CORE_ADDR addr) | |
180 | { | |
181 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
182 | int sz = register_size (gdbarch, S390_PSWA_REGNUM); | |
183 | gdb_byte *reg = (gdb_byte *) alloca (sz); | |
184 | ULONGEST pswm, pswa; | |
185 | ||
186 | /* Set PSWA from the location and a default PSWM (the only part we're | |
187 | unlikely to get right is the CC). */ | |
188 | if (tdep->abi == ABI_LINUX_S390) | |
189 | { | |
190 | /* 31-bit PSWA needs high bit set (it's very unlikely the target | |
191 | was in 24-bit mode). */ | |
192 | pswa = addr | 0x80000000UL; | |
193 | pswm = 0x070d0000UL; | |
194 | } | |
195 | else | |
196 | { | |
197 | pswa = addr; | |
198 | pswm = 0x0705000180000000ULL; | |
199 | } | |
200 | ||
201 | store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswa); | |
202 | regcache_raw_supply (regcache, S390_PSWA_REGNUM, reg); | |
203 | ||
204 | store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswm); | |
205 | regcache_raw_supply (regcache, S390_PSWM_REGNUM, reg); | |
206 | } | |
207 | ||
7803799a | 208 | |
d0f54f9d JB |
209 | /* DWARF Register Mapping. */ |
210 | ||
2ccd1468 | 211 | static const short s390_dwarf_regmap[] = |
d0f54f9d | 212 | { |
550bdf96 | 213 | /* 0-15: General Purpose Registers. */ |
d0f54f9d JB |
214 | S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM, |
215 | S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM, | |
216 | S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM, | |
217 | S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM, | |
218 | ||
550bdf96 | 219 | /* 16-31: Floating Point Registers / Vector Registers 0-15. */ |
d0f54f9d JB |
220 | S390_F0_REGNUM, S390_F2_REGNUM, S390_F4_REGNUM, S390_F6_REGNUM, |
221 | S390_F1_REGNUM, S390_F3_REGNUM, S390_F5_REGNUM, S390_F7_REGNUM, | |
222 | S390_F8_REGNUM, S390_F10_REGNUM, S390_F12_REGNUM, S390_F14_REGNUM, | |
223 | S390_F9_REGNUM, S390_F11_REGNUM, S390_F13_REGNUM, S390_F15_REGNUM, | |
224 | ||
550bdf96 | 225 | /* 32-47: Control Registers (not mapped). */ |
34201ae3 UW |
226 | -1, -1, -1, -1, -1, -1, -1, -1, |
227 | -1, -1, -1, -1, -1, -1, -1, -1, | |
d0f54f9d | 228 | |
550bdf96 | 229 | /* 48-63: Access Registers. */ |
d0f54f9d JB |
230 | S390_A0_REGNUM, S390_A1_REGNUM, S390_A2_REGNUM, S390_A3_REGNUM, |
231 | S390_A4_REGNUM, S390_A5_REGNUM, S390_A6_REGNUM, S390_A7_REGNUM, | |
232 | S390_A8_REGNUM, S390_A9_REGNUM, S390_A10_REGNUM, S390_A11_REGNUM, | |
233 | S390_A12_REGNUM, S390_A13_REGNUM, S390_A14_REGNUM, S390_A15_REGNUM, | |
234 | ||
550bdf96 | 235 | /* 64-65: Program Status Word. */ |
d0f54f9d | 236 | S390_PSWM_REGNUM, |
7803799a UW |
237 | S390_PSWA_REGNUM, |
238 | ||
550bdf96 AA |
239 | /* 66-67: Reserved. */ |
240 | -1, -1, | |
241 | ||
242 | /* 68-83: Vector Registers 16-31. */ | |
243 | S390_V16_REGNUM, S390_V18_REGNUM, S390_V20_REGNUM, S390_V22_REGNUM, | |
244 | S390_V17_REGNUM, S390_V19_REGNUM, S390_V21_REGNUM, S390_V23_REGNUM, | |
245 | S390_V24_REGNUM, S390_V26_REGNUM, S390_V28_REGNUM, S390_V30_REGNUM, | |
246 | S390_V25_REGNUM, S390_V27_REGNUM, S390_V29_REGNUM, S390_V31_REGNUM, | |
247 | ||
248 | /* End of "official" DWARF registers. The remainder of the map is | |
249 | for GDB internal use only. */ | |
250 | ||
7803799a UW |
251 | /* GPR Lower Half Access. */ |
252 | S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM, | |
253 | S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM, | |
254 | S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM, | |
255 | S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM, | |
d0f54f9d JB |
256 | }; |
257 | ||
550bdf96 AA |
258 | enum { s390_dwarf_reg_r0l = ARRAY_SIZE (s390_dwarf_regmap) - 16 }; |
259 | ||
d0f54f9d JB |
260 | /* Convert DWARF register number REG to the appropriate register |
261 | number used by GDB. */ | |
a78f21af | 262 | static int |
d3f73121 | 263 | s390_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int reg) |
d0f54f9d | 264 | { |
7803799a | 265 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
550bdf96 | 266 | int gdb_reg = -1; |
7803799a | 267 | |
550bdf96 AA |
268 | /* In a 32-on-64 debug scenario, debug info refers to the full |
269 | 64-bit GPRs. Note that call frame information still refers to | |
270 | the 32-bit lower halves, because s390_adjust_frame_regnum uses | |
271 | special register numbers to access GPRs. */ | |
7803799a UW |
272 | if (tdep->gpr_full_regnum != -1 && reg >= 0 && reg < 16) |
273 | return tdep->gpr_full_regnum + reg; | |
d0f54f9d | 274 | |
16aff9a6 | 275 | if (reg >= 0 && reg < ARRAY_SIZE (s390_dwarf_regmap)) |
550bdf96 AA |
276 | gdb_reg = s390_dwarf_regmap[reg]; |
277 | ||
278 | if (tdep->v0_full_regnum == -1) | |
279 | { | |
280 | if (gdb_reg >= S390_V16_REGNUM && gdb_reg <= S390_V31_REGNUM) | |
281 | gdb_reg = -1; | |
282 | } | |
283 | else | |
284 | { | |
285 | if (gdb_reg >= S390_F0_REGNUM && gdb_reg <= S390_F15_REGNUM) | |
286 | gdb_reg = gdb_reg - S390_F0_REGNUM + tdep->v0_full_regnum; | |
287 | } | |
d0f54f9d | 288 | |
550bdf96 | 289 | return gdb_reg; |
7803799a | 290 | } |
d0f54f9d | 291 | |
7803799a UW |
292 | /* Translate a .eh_frame register to DWARF register, or adjust a |
293 | .debug_frame register. */ | |
294 | static int | |
295 | s390_adjust_frame_regnum (struct gdbarch *gdbarch, int num, int eh_frame_p) | |
296 | { | |
297 | /* See s390_dwarf_reg_to_regnum for comments. */ | |
550bdf96 | 298 | return (num >= 0 && num < 16) ? num + s390_dwarf_reg_r0l : num; |
d0f54f9d JB |
299 | } |
300 | ||
d0f54f9d | 301 | |
7803799a UW |
302 | /* Pseudo registers. */ |
303 | ||
2ccd1468 UW |
304 | static int |
305 | regnum_is_gpr_full (struct gdbarch_tdep *tdep, int regnum) | |
306 | { | |
307 | return (tdep->gpr_full_regnum != -1 | |
308 | && regnum >= tdep->gpr_full_regnum | |
309 | && regnum <= tdep->gpr_full_regnum + 15); | |
310 | } | |
311 | ||
550bdf96 AA |
312 | /* Check whether REGNUM indicates a full vector register (v0-v15). |
313 | These pseudo-registers are composed of f0-f15 and v0l-v15l. */ | |
314 | ||
315 | static int | |
316 | regnum_is_vxr_full (struct gdbarch_tdep *tdep, int regnum) | |
317 | { | |
318 | return (tdep->v0_full_regnum != -1 | |
319 | && regnum >= tdep->v0_full_regnum | |
320 | && regnum <= tdep->v0_full_regnum + 15); | |
321 | } | |
322 | ||
87de11c0 AA |
323 | /* Return the name of register REGNO. Return the empty string for |
324 | registers that shouldn't be visible. */ | |
550bdf96 AA |
325 | |
326 | static const char * | |
327 | s390_register_name (struct gdbarch *gdbarch, int regnum) | |
328 | { | |
329 | if (regnum >= S390_V0_LOWER_REGNUM | |
330 | && regnum <= S390_V15_LOWER_REGNUM) | |
87de11c0 | 331 | return ""; |
550bdf96 AA |
332 | return tdesc_register_name (gdbarch, regnum); |
333 | } | |
334 | ||
7803799a UW |
335 | static const char * |
336 | s390_pseudo_register_name (struct gdbarch *gdbarch, int regnum) | |
d0f54f9d | 337 | { |
7803799a | 338 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
d0f54f9d | 339 | |
7803799a UW |
340 | if (regnum == tdep->pc_regnum) |
341 | return "pc"; | |
d0f54f9d | 342 | |
7803799a UW |
343 | if (regnum == tdep->cc_regnum) |
344 | return "cc"; | |
d0f54f9d | 345 | |
2ccd1468 | 346 | if (regnum_is_gpr_full (tdep, regnum)) |
7803799a UW |
347 | { |
348 | static const char *full_name[] = { | |
349 | "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", | |
350 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" | |
351 | }; | |
352 | return full_name[regnum - tdep->gpr_full_regnum]; | |
d0f54f9d | 353 | } |
7803799a | 354 | |
550bdf96 AA |
355 | if (regnum_is_vxr_full (tdep, regnum)) |
356 | { | |
357 | static const char *full_name[] = { | |
358 | "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", | |
359 | "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15" | |
360 | }; | |
361 | return full_name[regnum - tdep->v0_full_regnum]; | |
362 | } | |
363 | ||
7803799a | 364 | internal_error (__FILE__, __LINE__, _("invalid regnum")); |
d0f54f9d JB |
365 | } |
366 | ||
7803799a UW |
367 | static struct type * |
368 | s390_pseudo_register_type (struct gdbarch *gdbarch, int regnum) | |
5769d3cd | 369 | { |
7803799a | 370 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
d0f54f9d | 371 | |
7803799a UW |
372 | if (regnum == tdep->pc_regnum) |
373 | return builtin_type (gdbarch)->builtin_func_ptr; | |
d0f54f9d | 374 | |
7803799a UW |
375 | if (regnum == tdep->cc_regnum) |
376 | return builtin_type (gdbarch)->builtin_int; | |
d0f54f9d | 377 | |
2ccd1468 | 378 | if (regnum_is_gpr_full (tdep, regnum)) |
7803799a UW |
379 | return builtin_type (gdbarch)->builtin_uint64; |
380 | ||
550bdf96 AA |
381 | if (regnum_is_vxr_full (tdep, regnum)) |
382 | return tdesc_find_type (gdbarch, "vec128"); | |
383 | ||
7803799a | 384 | internal_error (__FILE__, __LINE__, _("invalid regnum")); |
5769d3cd AC |
385 | } |
386 | ||
05d1431c | 387 | static enum register_status |
7803799a UW |
388 | s390_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, |
389 | int regnum, gdb_byte *buf) | |
d0f54f9d | 390 | { |
7803799a | 391 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
e17a4113 | 392 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
7803799a | 393 | int regsize = register_size (gdbarch, regnum); |
d0f54f9d JB |
394 | ULONGEST val; |
395 | ||
7803799a | 396 | if (regnum == tdep->pc_regnum) |
d0f54f9d | 397 | { |
05d1431c PA |
398 | enum register_status status; |
399 | ||
400 | status = regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &val); | |
401 | if (status == REG_VALID) | |
402 | { | |
403 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
404 | val &= 0x7fffffff; | |
405 | store_unsigned_integer (buf, regsize, byte_order, val); | |
406 | } | |
407 | return status; | |
7803799a | 408 | } |
d0f54f9d | 409 | |
7803799a UW |
410 | if (regnum == tdep->cc_regnum) |
411 | { | |
05d1431c PA |
412 | enum register_status status; |
413 | ||
414 | status = regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &val); | |
415 | if (status == REG_VALID) | |
416 | { | |
417 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
418 | val = (val >> 12) & 3; | |
419 | else | |
420 | val = (val >> 44) & 3; | |
421 | store_unsigned_integer (buf, regsize, byte_order, val); | |
422 | } | |
423 | return status; | |
7803799a | 424 | } |
d0f54f9d | 425 | |
2ccd1468 | 426 | if (regnum_is_gpr_full (tdep, regnum)) |
7803799a | 427 | { |
05d1431c | 428 | enum register_status status; |
7803799a | 429 | ULONGEST val_upper; |
05d1431c | 430 | |
7803799a UW |
431 | regnum -= tdep->gpr_full_regnum; |
432 | ||
05d1431c PA |
433 | status = regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + regnum, &val); |
434 | if (status == REG_VALID) | |
435 | status = regcache_raw_read_unsigned (regcache, S390_R0_UPPER_REGNUM + regnum, | |
436 | &val_upper); | |
437 | if (status == REG_VALID) | |
438 | { | |
439 | val |= val_upper << 32; | |
440 | store_unsigned_integer (buf, regsize, byte_order, val); | |
441 | } | |
442 | return status; | |
d0f54f9d | 443 | } |
7803799a | 444 | |
550bdf96 AA |
445 | if (regnum_is_vxr_full (tdep, regnum)) |
446 | { | |
447 | enum register_status status; | |
448 | ||
449 | regnum -= tdep->v0_full_regnum; | |
450 | ||
451 | status = regcache_raw_read (regcache, S390_F0_REGNUM + regnum, buf); | |
452 | if (status == REG_VALID) | |
453 | status = regcache_raw_read (regcache, | |
454 | S390_V0_LOWER_REGNUM + regnum, buf + 8); | |
455 | return status; | |
456 | } | |
457 | ||
7803799a | 458 | internal_error (__FILE__, __LINE__, _("invalid regnum")); |
d0f54f9d JB |
459 | } |
460 | ||
461 | static void | |
7803799a UW |
462 | s390_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, |
463 | int regnum, const gdb_byte *buf) | |
d0f54f9d | 464 | { |
7803799a | 465 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
e17a4113 | 466 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
7803799a | 467 | int regsize = register_size (gdbarch, regnum); |
d0f54f9d JB |
468 | ULONGEST val, psw; |
469 | ||
7803799a | 470 | if (regnum == tdep->pc_regnum) |
d0f54f9d | 471 | { |
7803799a UW |
472 | val = extract_unsigned_integer (buf, regsize, byte_order); |
473 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
474 | { | |
475 | regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &psw); | |
476 | val = (psw & 0x80000000) | (val & 0x7fffffff); | |
477 | } | |
478 | regcache_raw_write_unsigned (regcache, S390_PSWA_REGNUM, val); | |
479 | return; | |
480 | } | |
d0f54f9d | 481 | |
7803799a UW |
482 | if (regnum == tdep->cc_regnum) |
483 | { | |
484 | val = extract_unsigned_integer (buf, regsize, byte_order); | |
d0f54f9d | 485 | regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &psw); |
7803799a UW |
486 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) |
487 | val = (psw & ~((ULONGEST)3 << 12)) | ((val & 3) << 12); | |
488 | else | |
489 | val = (psw & ~((ULONGEST)3 << 44)) | ((val & 3) << 44); | |
490 | regcache_raw_write_unsigned (regcache, S390_PSWM_REGNUM, val); | |
491 | return; | |
492 | } | |
d0f54f9d | 493 | |
2ccd1468 | 494 | if (regnum_is_gpr_full (tdep, regnum)) |
7803799a UW |
495 | { |
496 | regnum -= tdep->gpr_full_regnum; | |
497 | val = extract_unsigned_integer (buf, regsize, byte_order); | |
498 | regcache_raw_write_unsigned (regcache, S390_R0_REGNUM + regnum, | |
499 | val & 0xffffffff); | |
500 | regcache_raw_write_unsigned (regcache, S390_R0_UPPER_REGNUM + regnum, | |
501 | val >> 32); | |
502 | return; | |
d0f54f9d | 503 | } |
7803799a | 504 | |
550bdf96 AA |
505 | if (regnum_is_vxr_full (tdep, regnum)) |
506 | { | |
507 | regnum -= tdep->v0_full_regnum; | |
508 | regcache_raw_write (regcache, S390_F0_REGNUM + regnum, buf); | |
509 | regcache_raw_write (regcache, S390_V0_LOWER_REGNUM + regnum, buf + 8); | |
510 | return; | |
511 | } | |
512 | ||
7803799a | 513 | internal_error (__FILE__, __LINE__, _("invalid regnum")); |
d0f54f9d JB |
514 | } |
515 | ||
516 | /* 'float' values are stored in the upper half of floating-point | |
550bdf96 AA |
517 | registers, even though we are otherwise a big-endian platform. The |
518 | same applies to a 'float' value within a vector. */ | |
d0f54f9d | 519 | |
9acbedc0 | 520 | static struct value * |
2ed3c037 UW |
521 | s390_value_from_register (struct gdbarch *gdbarch, struct type *type, |
522 | int regnum, struct frame_id frame_id) | |
d0f54f9d | 523 | { |
550bdf96 | 524 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
2ed3c037 UW |
525 | struct value *value = default_value_from_register (gdbarch, type, |
526 | regnum, frame_id); | |
744a8059 SP |
527 | check_typedef (type); |
528 | ||
550bdf96 AA |
529 | if ((regnum >= S390_F0_REGNUM && regnum <= S390_F15_REGNUM |
530 | && TYPE_LENGTH (type) < 8) | |
531 | || regnum_is_vxr_full (tdep, regnum) | |
532 | || (regnum >= S390_V16_REGNUM && regnum <= S390_V31_REGNUM)) | |
9acbedc0 | 533 | set_value_offset (value, 0); |
d0f54f9d | 534 | |
9acbedc0 | 535 | return value; |
d0f54f9d JB |
536 | } |
537 | ||
538 | /* Register groups. */ | |
539 | ||
a78f21af | 540 | static int |
7803799a UW |
541 | s390_pseudo_register_reggroup_p (struct gdbarch *gdbarch, int regnum, |
542 | struct reggroup *group) | |
d0f54f9d JB |
543 | { |
544 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
545 | ||
d6db1fab UW |
546 | /* We usually save/restore the whole PSW, which includes PC and CC. |
547 | However, some older gdbservers may not support saving/restoring | |
548 | the whole PSW yet, and will return an XML register description | |
549 | excluding those from the save/restore register groups. In those | |
550 | cases, we still need to explicitly save/restore PC and CC in order | |
551 | to push or pop frames. Since this doesn't hurt anything if we | |
552 | already save/restore the whole PSW (it's just redundant), we add | |
553 | PC and CC at this point unconditionally. */ | |
d0f54f9d | 554 | if (group == save_reggroup || group == restore_reggroup) |
7803799a | 555 | return regnum == tdep->pc_regnum || regnum == tdep->cc_regnum; |
d0f54f9d | 556 | |
550bdf96 AA |
557 | if (group == vector_reggroup) |
558 | return regnum_is_vxr_full (tdep, regnum); | |
559 | ||
560 | if (group == general_reggroup && regnum_is_vxr_full (tdep, regnum)) | |
561 | return 0; | |
562 | ||
d0f54f9d JB |
563 | return default_register_reggroup_p (gdbarch, regnum, group); |
564 | } | |
565 | ||
c4b3e547 MK |
566 | /* The "ax_pseudo_register_collect" gdbarch method. */ |
567 | ||
568 | static int | |
569 | s390_ax_pseudo_register_collect (struct gdbarch *gdbarch, | |
570 | struct agent_expr *ax, int regnum) | |
571 | { | |
572 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
573 | if (regnum == tdep->pc_regnum) | |
574 | { | |
575 | ax_reg_mask (ax, S390_PSWA_REGNUM); | |
576 | } | |
577 | else if (regnum == tdep->cc_regnum) | |
578 | { | |
579 | ax_reg_mask (ax, S390_PSWM_REGNUM); | |
580 | } | |
581 | else if (regnum_is_gpr_full (tdep, regnum)) | |
582 | { | |
583 | regnum -= tdep->gpr_full_regnum; | |
584 | ax_reg_mask (ax, S390_R0_REGNUM + regnum); | |
585 | ax_reg_mask (ax, S390_R0_UPPER_REGNUM + regnum); | |
586 | } | |
587 | else if (regnum_is_vxr_full (tdep, regnum)) | |
588 | { | |
589 | regnum -= tdep->v0_full_regnum; | |
590 | ax_reg_mask (ax, S390_F0_REGNUM + regnum); | |
591 | ax_reg_mask (ax, S390_V0_LOWER_REGNUM + regnum); | |
592 | } | |
593 | else | |
594 | { | |
595 | internal_error (__FILE__, __LINE__, _("invalid regnum")); | |
596 | } | |
597 | return 0; | |
598 | } | |
599 | ||
600 | /* The "ax_pseudo_register_push_stack" gdbarch method. */ | |
601 | ||
602 | static int | |
603 | s390_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, | |
604 | struct agent_expr *ax, int regnum) | |
605 | { | |
606 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
607 | if (regnum == tdep->pc_regnum) | |
608 | { | |
609 | ax_reg (ax, S390_PSWA_REGNUM); | |
610 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
611 | { | |
612 | ax_zero_ext (ax, 31); | |
613 | } | |
614 | } | |
615 | else if (regnum == tdep->cc_regnum) | |
616 | { | |
617 | ax_reg (ax, S390_PSWM_REGNUM); | |
618 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
619 | ax_const_l (ax, 12); | |
620 | else | |
621 | ax_const_l (ax, 44); | |
622 | ax_simple (ax, aop_rsh_unsigned); | |
623 | ax_zero_ext (ax, 2); | |
624 | } | |
625 | else if (regnum_is_gpr_full (tdep, regnum)) | |
626 | { | |
627 | regnum -= tdep->gpr_full_regnum; | |
628 | ax_reg (ax, S390_R0_REGNUM + regnum); | |
629 | ax_reg (ax, S390_R0_UPPER_REGNUM + regnum); | |
630 | ax_const_l (ax, 32); | |
631 | ax_simple (ax, aop_lsh); | |
632 | ax_simple (ax, aop_bit_or); | |
633 | } | |
634 | else if (regnum_is_vxr_full (tdep, regnum)) | |
635 | { | |
636 | /* Too large to stuff on the stack. */ | |
637 | return 1; | |
638 | } | |
639 | else | |
640 | { | |
641 | internal_error (__FILE__, __LINE__, _("invalid regnum")); | |
642 | } | |
643 | return 0; | |
644 | } | |
645 | ||
70104a90 MK |
646 | /* The "gen_return_address" gdbarch method. Since this is supposed to be |
647 | just a best-effort method, and we don't really have the means to run | |
648 | the full unwinder here, just collect the link register. */ | |
649 | ||
650 | static void | |
651 | s390_gen_return_address (struct gdbarch *gdbarch, | |
652 | struct agent_expr *ax, struct axs_value *value, | |
653 | CORE_ADDR scope) | |
654 | { | |
655 | value->type = register_type (gdbarch, S390_R14_REGNUM); | |
656 | value->kind = axs_lvalue_register; | |
657 | value->u.reg = S390_R14_REGNUM; | |
658 | } | |
659 | ||
d0f54f9d | 660 | |
6df55226 MK |
661 | /* A helper for s390_software_single_step, decides if an instruction |
662 | is a partial-execution instruction that needs to be executed until | |
663 | completion when in record mode. If it is, returns 1 and writes | |
664 | instruction length to a pointer. */ | |
665 | ||
666 | static int | |
667 | s390_is_partial_instruction (struct gdbarch *gdbarch, CORE_ADDR loc, int *len) | |
668 | { | |
669 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
670 | uint16_t insn; | |
671 | ||
672 | insn = read_memory_integer (loc, 2, byte_order); | |
673 | ||
674 | switch (insn >> 8) | |
675 | { | |
676 | case 0xa8: /* MVCLE */ | |
677 | *len = 4; | |
678 | return 1; | |
679 | ||
680 | case 0xeb: | |
681 | { | |
682 | insn = read_memory_integer (loc + 4, 2, byte_order); | |
683 | if ((insn & 0xff) == 0x8e) | |
684 | { | |
685 | /* MVCLU */ | |
686 | *len = 6; | |
687 | return 1; | |
688 | } | |
689 | } | |
690 | break; | |
691 | } | |
692 | ||
693 | switch (insn) | |
694 | { | |
695 | case 0xb255: /* MVST */ | |
696 | case 0xb263: /* CMPSC */ | |
697 | case 0xb2a5: /* TRE */ | |
698 | case 0xb2a6: /* CU21 */ | |
699 | case 0xb2a7: /* CU12 */ | |
700 | case 0xb9b0: /* CU14 */ | |
701 | case 0xb9b1: /* CU24 */ | |
702 | case 0xb9b2: /* CU41 */ | |
703 | case 0xb9b3: /* CU42 */ | |
704 | case 0xb92a: /* KMF */ | |
705 | case 0xb92b: /* KMO */ | |
706 | case 0xb92f: /* KMC */ | |
707 | case 0xb92d: /* KMCTR */ | |
708 | case 0xb92e: /* KM */ | |
709 | case 0xb93c: /* PPNO */ | |
710 | case 0xb990: /* TRTT */ | |
711 | case 0xb991: /* TRTO */ | |
712 | case 0xb992: /* TROT */ | |
713 | case 0xb993: /* TROO */ | |
714 | *len = 4; | |
715 | return 1; | |
716 | } | |
717 | ||
718 | return 0; | |
719 | } | |
720 | ||
721 | /* Implement the "software_single_step" gdbarch method, needed to single step | |
722 | through instructions like MVCLE in record mode, to make sure they are | |
723 | executed to completion. Without that, record will save the full length | |
724 | of destination buffer on every iteration, even though the CPU will only | |
725 | process about 4kiB of it each time, leading to O(n**2) memory and time | |
726 | complexity. */ | |
727 | ||
a0ff9e1a | 728 | static std::vector<CORE_ADDR> |
f5ea389a | 729 | s390_software_single_step (struct regcache *regcache) |
6df55226 | 730 | { |
ad769689 YQ |
731 | struct gdbarch *gdbarch = get_regcache_arch (regcache); |
732 | CORE_ADDR loc = regcache_read_pc (regcache); | |
6df55226 MK |
733 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
734 | int len; | |
735 | uint16_t insn; | |
736 | ||
737 | /* Special handling only if recording. */ | |
738 | if (!record_full_is_used ()) | |
a0ff9e1a | 739 | return {}; |
6df55226 MK |
740 | |
741 | /* First, match a partial instruction. */ | |
742 | if (!s390_is_partial_instruction (gdbarch, loc, &len)) | |
a0ff9e1a | 743 | return {}; |
6df55226 MK |
744 | |
745 | loc += len; | |
746 | ||
747 | /* Second, look for a branch back to it. */ | |
748 | insn = read_memory_integer (loc, 2, byte_order); | |
749 | if (insn != 0xa714) /* BRC with mask 1 */ | |
a0ff9e1a | 750 | return {}; |
6df55226 MK |
751 | |
752 | insn = read_memory_integer (loc + 2, 2, byte_order); | |
753 | if (insn != (uint16_t) -(len / 2)) | |
a0ff9e1a | 754 | return {}; |
6df55226 MK |
755 | |
756 | loc += 4; | |
757 | ||
758 | /* Found it, step past the whole thing. */ | |
a0ff9e1a | 759 | return {loc}; |
6df55226 MK |
760 | } |
761 | ||
762 | static int | |
763 | s390_displaced_step_hw_singlestep (struct gdbarch *gdbarch, | |
764 | struct displaced_step_closure *closure) | |
765 | { | |
766 | return 1; | |
767 | } | |
768 | ||
769 | ||
2ccd1468 | 770 | /* Maps for register sets. */ |
d0f54f9d | 771 | |
99b7da5d | 772 | static const struct regcache_map_entry s390_gregmap[] = |
2ccd1468 | 773 | { |
99b7da5d AA |
774 | { 1, S390_PSWM_REGNUM }, |
775 | { 1, S390_PSWA_REGNUM }, | |
776 | { 16, S390_R0_REGNUM }, | |
777 | { 16, S390_A0_REGNUM }, | |
778 | { 1, S390_ORIG_R2_REGNUM }, | |
779 | { 0 } | |
2ccd1468 | 780 | }; |
d0f54f9d | 781 | |
99b7da5d | 782 | static const struct regcache_map_entry s390_fpregmap[] = |
2ccd1468 | 783 | { |
99b7da5d AA |
784 | { 1, S390_FPC_REGNUM, 8 }, |
785 | { 16, S390_F0_REGNUM, 8 }, | |
786 | { 0 } | |
2ccd1468 | 787 | }; |
d0f54f9d | 788 | |
99b7da5d | 789 | static const struct regcache_map_entry s390_regmap_upper[] = |
2ccd1468 | 790 | { |
99b7da5d AA |
791 | { 16, S390_R0_UPPER_REGNUM, 4 }, |
792 | { 0 } | |
2ccd1468 | 793 | }; |
7803799a | 794 | |
99b7da5d | 795 | static const struct regcache_map_entry s390_regmap_last_break[] = |
2ccd1468 | 796 | { |
99b7da5d AA |
797 | { 1, REGCACHE_MAP_SKIP, 4 }, |
798 | { 1, S390_LAST_BREAK_REGNUM, 4 }, | |
799 | { 0 } | |
2ccd1468 | 800 | }; |
c642a434 | 801 | |
99b7da5d | 802 | static const struct regcache_map_entry s390x_regmap_last_break[] = |
2ccd1468 | 803 | { |
99b7da5d AA |
804 | { 1, S390_LAST_BREAK_REGNUM, 8 }, |
805 | { 0 } | |
2ccd1468 UW |
806 | }; |
807 | ||
99b7da5d | 808 | static const struct regcache_map_entry s390_regmap_system_call[] = |
2ccd1468 | 809 | { |
99b7da5d AA |
810 | { 1, S390_SYSTEM_CALL_REGNUM, 4 }, |
811 | { 0 } | |
2ccd1468 UW |
812 | }; |
813 | ||
99b7da5d | 814 | static const struct regcache_map_entry s390_regmap_tdb[] = |
2ccd1468 | 815 | { |
99b7da5d AA |
816 | { 1, S390_TDB_DWORD0_REGNUM, 8 }, |
817 | { 1, S390_TDB_ABORT_CODE_REGNUM, 8 }, | |
818 | { 1, S390_TDB_CONFLICT_TOKEN_REGNUM, 8 }, | |
819 | { 1, S390_TDB_ATIA_REGNUM, 8 }, | |
820 | { 12, REGCACHE_MAP_SKIP, 8 }, | |
821 | { 16, S390_TDB_R0_REGNUM, 8 }, | |
822 | { 0 } | |
2ccd1468 | 823 | }; |
c642a434 | 824 | |
550bdf96 AA |
825 | static const struct regcache_map_entry s390_regmap_vxrs_low[] = |
826 | { | |
827 | { 16, S390_V0_LOWER_REGNUM, 8 }, | |
828 | { 0 } | |
829 | }; | |
830 | ||
831 | static const struct regcache_map_entry s390_regmap_vxrs_high[] = | |
832 | { | |
833 | { 16, S390_V16_REGNUM, 16 }, | |
834 | { 0 } | |
835 | }; | |
836 | ||
4ac33720 | 837 | |
99b7da5d AA |
838 | /* Supply the TDB regset. Like regcache_supply_regset, but invalidate |
839 | the TDB registers unless the TDB format field is valid. */ | |
4ac33720 UW |
840 | |
841 | static void | |
842 | s390_supply_tdb_regset (const struct regset *regset, struct regcache *regcache, | |
843 | int regnum, const void *regs, size_t len) | |
844 | { | |
845 | ULONGEST tdw; | |
846 | enum register_status ret; | |
4ac33720 | 847 | |
99b7da5d | 848 | regcache_supply_regset (regset, regcache, regnum, regs, len); |
4ac33720 UW |
849 | ret = regcache_cooked_read_unsigned (regcache, S390_TDB_DWORD0_REGNUM, &tdw); |
850 | if (ret != REG_VALID || (tdw >> 56) != 1) | |
99b7da5d | 851 | regcache_supply_regset (regset, regcache, regnum, NULL, len); |
d0f54f9d JB |
852 | } |
853 | ||
99b7da5d AA |
854 | const struct regset s390_gregset = { |
855 | s390_gregmap, | |
856 | regcache_supply_regset, | |
857 | regcache_collect_regset | |
d0f54f9d JB |
858 | }; |
859 | ||
99b7da5d AA |
860 | const struct regset s390_fpregset = { |
861 | s390_fpregmap, | |
862 | regcache_supply_regset, | |
863 | regcache_collect_regset | |
d0f54f9d JB |
864 | }; |
865 | ||
7803799a | 866 | static const struct regset s390_upper_regset = { |
34201ae3 | 867 | s390_regmap_upper, |
99b7da5d AA |
868 | regcache_supply_regset, |
869 | regcache_collect_regset | |
7803799a UW |
870 | }; |
871 | ||
99b7da5d | 872 | const struct regset s390_last_break_regset = { |
c642a434 | 873 | s390_regmap_last_break, |
99b7da5d AA |
874 | regcache_supply_regset, |
875 | regcache_collect_regset | |
c642a434 UW |
876 | }; |
877 | ||
99b7da5d | 878 | const struct regset s390x_last_break_regset = { |
c642a434 | 879 | s390x_regmap_last_break, |
99b7da5d AA |
880 | regcache_supply_regset, |
881 | regcache_collect_regset | |
c642a434 UW |
882 | }; |
883 | ||
99b7da5d | 884 | const struct regset s390_system_call_regset = { |
c642a434 | 885 | s390_regmap_system_call, |
99b7da5d AA |
886 | regcache_supply_regset, |
887 | regcache_collect_regset | |
c642a434 UW |
888 | }; |
889 | ||
99b7da5d | 890 | const struct regset s390_tdb_regset = { |
4ac33720 UW |
891 | s390_regmap_tdb, |
892 | s390_supply_tdb_regset, | |
99b7da5d | 893 | regcache_collect_regset |
4ac33720 UW |
894 | }; |
895 | ||
550bdf96 AA |
896 | const struct regset s390_vxrs_low_regset = { |
897 | s390_regmap_vxrs_low, | |
898 | regcache_supply_regset, | |
899 | regcache_collect_regset | |
900 | }; | |
901 | ||
902 | const struct regset s390_vxrs_high_regset = { | |
903 | s390_regmap_vxrs_high, | |
904 | regcache_supply_regset, | |
905 | regcache_collect_regset | |
906 | }; | |
907 | ||
5aa82d05 AA |
908 | /* Iterate over supported core file register note sections. */ |
909 | ||
910 | static void | |
911 | s390_iterate_over_regset_sections (struct gdbarch *gdbarch, | |
912 | iterate_over_regset_sections_cb *cb, | |
913 | void *cb_data, | |
914 | const struct regcache *regcache) | |
915 | { | |
916 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
8f0435f7 AA |
917 | const int gregset_size = (tdep->abi == ABI_LINUX_S390 ? |
918 | s390_sizeof_gregset : s390x_sizeof_gregset); | |
5aa82d05 | 919 | |
8f0435f7 AA |
920 | cb (".reg", gregset_size, &s390_gregset, NULL, cb_data); |
921 | cb (".reg2", s390_sizeof_fpregset, &s390_fpregset, NULL, cb_data); | |
5aa82d05 AA |
922 | |
923 | if (tdep->abi == ABI_LINUX_S390 && tdep->gpr_full_regnum != -1) | |
8f0435f7 AA |
924 | cb (".reg-s390-high-gprs", 16 * 4, &s390_upper_regset, |
925 | "s390 GPR upper halves", cb_data); | |
5aa82d05 AA |
926 | |
927 | if (tdep->have_linux_v1) | |
8f0435f7 AA |
928 | cb (".reg-s390-last-break", 8, |
929 | (gdbarch_ptr_bit (gdbarch) == 32 | |
930 | ? &s390_last_break_regset : &s390x_last_break_regset), | |
34a60ddb | 931 | "s390 last-break address", cb_data); |
5aa82d05 AA |
932 | |
933 | if (tdep->have_linux_v2) | |
8f0435f7 AA |
934 | cb (".reg-s390-system-call", 4, &s390_system_call_regset, |
935 | "s390 system-call", cb_data); | |
5aa82d05 AA |
936 | |
937 | /* If regcache is set, we are in "write" (gcore) mode. In this | |
938 | case, don't iterate over the TDB unless its registers are | |
939 | available. */ | |
940 | if (tdep->have_tdb | |
941 | && (regcache == NULL | |
942 | || REG_VALID == regcache_register_status (regcache, | |
943 | S390_TDB_DWORD0_REGNUM))) | |
8f0435f7 AA |
944 | cb (".reg-s390-tdb", s390_sizeof_tdbregset, &s390_tdb_regset, |
945 | "s390 TDB", cb_data); | |
550bdf96 AA |
946 | |
947 | if (tdep->v0_full_regnum != -1) | |
948 | { | |
949 | cb (".reg-s390-vxrs-low", 16 * 8, &s390_vxrs_low_regset, | |
950 | "s390 vector registers 0-15 lower half", cb_data); | |
951 | cb (".reg-s390-vxrs-high", 16 * 16, &s390_vxrs_high_regset, | |
952 | "s390 vector registers 16-31", cb_data); | |
953 | } | |
5aa82d05 AA |
954 | } |
955 | ||
7803799a UW |
956 | static const struct target_desc * |
957 | s390_core_read_description (struct gdbarch *gdbarch, | |
958 | struct target_ops *target, bfd *abfd) | |
959 | { | |
7803799a | 960 | asection *section = bfd_get_section_by_name (abfd, ".reg"); |
04a83fee | 961 | CORE_ADDR hwcap = 0; |
550bdf96 | 962 | int high_gprs, v1, v2, te, vx; |
4ac33720 UW |
963 | |
964 | target_auxv_search (target, AT_HWCAP, &hwcap); | |
7803799a UW |
965 | if (!section) |
966 | return NULL; | |
967 | ||
550bdf96 AA |
968 | high_gprs = (bfd_get_section_by_name (abfd, ".reg-s390-high-gprs") |
969 | != NULL); | |
970 | v1 = (bfd_get_section_by_name (abfd, ".reg-s390-last-break") != NULL); | |
971 | v2 = (bfd_get_section_by_name (abfd, ".reg-s390-system-call") != NULL); | |
972 | vx = (hwcap & HWCAP_S390_VX); | |
973 | te = (hwcap & HWCAP_S390_TE); | |
974 | ||
7803799a UW |
975 | switch (bfd_section_size (abfd, section)) |
976 | { | |
977 | case s390_sizeof_gregset: | |
c642a434 | 978 | if (high_gprs) |
550bdf96 AA |
979 | return (te && vx ? tdesc_s390_tevx_linux64 : |
980 | vx ? tdesc_s390_vx_linux64 : | |
981 | te ? tdesc_s390_te_linux64 : | |
982 | v2 ? tdesc_s390_linux64v2 : | |
983 | v1 ? tdesc_s390_linux64v1 : tdesc_s390_linux64); | |
c642a434 | 984 | else |
550bdf96 AA |
985 | return (v2 ? tdesc_s390_linux32v2 : |
986 | v1 ? tdesc_s390_linux32v1 : tdesc_s390_linux32); | |
7803799a UW |
987 | |
988 | case s390x_sizeof_gregset: | |
550bdf96 AA |
989 | return (te && vx ? tdesc_s390x_tevx_linux64 : |
990 | vx ? tdesc_s390x_vx_linux64 : | |
991 | te ? tdesc_s390x_te_linux64 : | |
992 | v2 ? tdesc_s390x_linux64v2 : | |
993 | v1 ? tdesc_s390x_linux64v1 : tdesc_s390x_linux64); | |
7803799a UW |
994 | |
995 | default: | |
996 | return NULL; | |
997 | } | |
998 | } | |
999 | ||
d0f54f9d | 1000 | |
4bc8c588 JB |
1001 | /* Decoding S/390 instructions. */ |
1002 | ||
1003 | /* Named opcode values for the S/390 instructions we recognize. Some | |
1004 | instructions have their opcode split across two fields; those are the | |
1005 | op1_* and op2_* enums. */ | |
1006 | enum | |
1007 | { | |
a8c99f38 JB |
1008 | op1_lhi = 0xa7, op2_lhi = 0x08, |
1009 | op1_lghi = 0xa7, op2_lghi = 0x09, | |
00ce08ef | 1010 | op1_lgfi = 0xc0, op2_lgfi = 0x01, |
4bc8c588 | 1011 | op_lr = 0x18, |
a8c99f38 JB |
1012 | op_lgr = 0xb904, |
1013 | op_l = 0x58, | |
1014 | op1_ly = 0xe3, op2_ly = 0x58, | |
1015 | op1_lg = 0xe3, op2_lg = 0x04, | |
1016 | op_lm = 0x98, | |
1017 | op1_lmy = 0xeb, op2_lmy = 0x98, | |
1018 | op1_lmg = 0xeb, op2_lmg = 0x04, | |
4bc8c588 | 1019 | op_st = 0x50, |
a8c99f38 | 1020 | op1_sty = 0xe3, op2_sty = 0x50, |
4bc8c588 | 1021 | op1_stg = 0xe3, op2_stg = 0x24, |
a8c99f38 | 1022 | op_std = 0x60, |
4bc8c588 | 1023 | op_stm = 0x90, |
a8c99f38 | 1024 | op1_stmy = 0xeb, op2_stmy = 0x90, |
4bc8c588 | 1025 | op1_stmg = 0xeb, op2_stmg = 0x24, |
a8c99f38 JB |
1026 | op1_aghi = 0xa7, op2_aghi = 0x0b, |
1027 | op1_ahi = 0xa7, op2_ahi = 0x0a, | |
00ce08ef UW |
1028 | op1_agfi = 0xc2, op2_agfi = 0x08, |
1029 | op1_afi = 0xc2, op2_afi = 0x09, | |
1030 | op1_algfi= 0xc2, op2_algfi= 0x0a, | |
1031 | op1_alfi = 0xc2, op2_alfi = 0x0b, | |
a8c99f38 JB |
1032 | op_ar = 0x1a, |
1033 | op_agr = 0xb908, | |
1034 | op_a = 0x5a, | |
1035 | op1_ay = 0xe3, op2_ay = 0x5a, | |
1036 | op1_ag = 0xe3, op2_ag = 0x08, | |
00ce08ef UW |
1037 | op1_slgfi= 0xc2, op2_slgfi= 0x04, |
1038 | op1_slfi = 0xc2, op2_slfi = 0x05, | |
a8c99f38 JB |
1039 | op_sr = 0x1b, |
1040 | op_sgr = 0xb909, | |
1041 | op_s = 0x5b, | |
1042 | op1_sy = 0xe3, op2_sy = 0x5b, | |
1043 | op1_sg = 0xe3, op2_sg = 0x09, | |
1044 | op_nr = 0x14, | |
1045 | op_ngr = 0xb980, | |
1046 | op_la = 0x41, | |
1047 | op1_lay = 0xe3, op2_lay = 0x71, | |
1048 | op1_larl = 0xc0, op2_larl = 0x00, | |
1049 | op_basr = 0x0d, | |
1050 | op_bas = 0x4d, | |
1051 | op_bcr = 0x07, | |
1052 | op_bc = 0x0d, | |
1db4e8a0 UW |
1053 | op_bctr = 0x06, |
1054 | op_bctgr = 0xb946, | |
1055 | op_bct = 0x46, | |
1056 | op1_bctg = 0xe3, op2_bctg = 0x46, | |
1057 | op_bxh = 0x86, | |
1058 | op1_bxhg = 0xeb, op2_bxhg = 0x44, | |
1059 | op_bxle = 0x87, | |
1060 | op1_bxleg= 0xeb, op2_bxleg= 0x45, | |
a8c99f38 JB |
1061 | op1_bras = 0xa7, op2_bras = 0x05, |
1062 | op1_brasl= 0xc0, op2_brasl= 0x05, | |
1063 | op1_brc = 0xa7, op2_brc = 0x04, | |
1064 | op1_brcl = 0xc0, op2_brcl = 0x04, | |
1db4e8a0 UW |
1065 | op1_brct = 0xa7, op2_brct = 0x06, |
1066 | op1_brctg= 0xa7, op2_brctg= 0x07, | |
1067 | op_brxh = 0x84, | |
1068 | op1_brxhg= 0xec, op2_brxhg= 0x44, | |
1069 | op_brxle = 0x85, | |
1070 | op1_brxlg= 0xec, op2_brxlg= 0x45, | |
237b092b | 1071 | op_svc = 0x0a, |
4bc8c588 JB |
1072 | }; |
1073 | ||
1074 | ||
a8c99f38 JB |
1075 | /* Read a single instruction from address AT. */ |
1076 | ||
1077 | #define S390_MAX_INSTR_SIZE 6 | |
1078 | static int | |
1079 | s390_readinstruction (bfd_byte instr[], CORE_ADDR at) | |
1080 | { | |
1081 | static int s390_instrlen[] = { 2, 4, 4, 6 }; | |
1082 | int instrlen; | |
1083 | ||
8defab1a | 1084 | if (target_read_memory (at, &instr[0], 2)) |
a8c99f38 JB |
1085 | return -1; |
1086 | instrlen = s390_instrlen[instr[0] >> 6]; | |
1087 | if (instrlen > 2) | |
1088 | { | |
8defab1a | 1089 | if (target_read_memory (at + 2, &instr[2], instrlen - 2)) |
34201ae3 | 1090 | return -1; |
a8c99f38 JB |
1091 | } |
1092 | return instrlen; | |
1093 | } | |
1094 | ||
1095 | ||
4bc8c588 JB |
1096 | /* The functions below are for recognizing and decoding S/390 |
1097 | instructions of various formats. Each of them checks whether INSN | |
1098 | is an instruction of the given format, with the specified opcodes. | |
1099 | If it is, it sets the remaining arguments to the values of the | |
1100 | instruction's fields, and returns a non-zero value; otherwise, it | |
1101 | returns zero. | |
1102 | ||
1103 | These functions' arguments appear in the order they appear in the | |
1104 | instruction, not in the machine-language form. So, opcodes always | |
1105 | come first, even though they're sometimes scattered around the | |
1106 | instructions. And displacements appear before base and extension | |
1107 | registers, as they do in the assembly syntax, not at the end, as | |
1108 | they do in the machine language. */ | |
a78f21af | 1109 | static int |
4bc8c588 JB |
1110 | is_ri (bfd_byte *insn, int op1, int op2, unsigned int *r1, int *i2) |
1111 | { | |
1112 | if (insn[0] == op1 && (insn[1] & 0xf) == op2) | |
1113 | { | |
1114 | *r1 = (insn[1] >> 4) & 0xf; | |
1115 | /* i2 is a 16-bit signed quantity. */ | |
1116 | *i2 = (((insn[2] << 8) | insn[3]) ^ 0x8000) - 0x8000; | |
1117 | return 1; | |
1118 | } | |
1119 | else | |
1120 | return 0; | |
1121 | } | |
8ac0e65a | 1122 | |
5769d3cd | 1123 | |
4bc8c588 JB |
1124 | static int |
1125 | is_ril (bfd_byte *insn, int op1, int op2, | |
34201ae3 | 1126 | unsigned int *r1, int *i2) |
4bc8c588 JB |
1127 | { |
1128 | if (insn[0] == op1 && (insn[1] & 0xf) == op2) | |
1129 | { | |
1130 | *r1 = (insn[1] >> 4) & 0xf; | |
1131 | /* i2 is a signed quantity. If the host 'int' is 32 bits long, | |
34201ae3 UW |
1132 | no sign extension is necessary, but we don't want to assume |
1133 | that. */ | |
4bc8c588 | 1134 | *i2 = (((insn[2] << 24) |
34201ae3 UW |
1135 | | (insn[3] << 16) |
1136 | | (insn[4] << 8) | |
1137 | | (insn[5])) ^ 0x80000000) - 0x80000000; | |
4bc8c588 JB |
1138 | return 1; |
1139 | } | |
1140 | else | |
1141 | return 0; | |
1142 | } | |
1143 | ||
1144 | ||
1145 | static int | |
1146 | is_rr (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2) | |
1147 | { | |
1148 | if (insn[0] == op) | |
1149 | { | |
1150 | *r1 = (insn[1] >> 4) & 0xf; | |
1151 | *r2 = insn[1] & 0xf; | |
1152 | return 1; | |
1153 | } | |
1154 | else | |
1155 | return 0; | |
1156 | } | |
1157 | ||
1158 | ||
1159 | static int | |
1160 | is_rre (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2) | |
1161 | { | |
1162 | if (((insn[0] << 8) | insn[1]) == op) | |
1163 | { | |
1164 | /* Yes, insn[3]. insn[2] is unused in RRE format. */ | |
1165 | *r1 = (insn[3] >> 4) & 0xf; | |
1166 | *r2 = insn[3] & 0xf; | |
1167 | return 1; | |
1168 | } | |
1169 | else | |
1170 | return 0; | |
1171 | } | |
1172 | ||
1173 | ||
1174 | static int | |
1175 | is_rs (bfd_byte *insn, int op, | |
eb1bd1fb | 1176 | unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2) |
4bc8c588 JB |
1177 | { |
1178 | if (insn[0] == op) | |
1179 | { | |
1180 | *r1 = (insn[1] >> 4) & 0xf; | |
1181 | *r3 = insn[1] & 0xf; | |
1182 | *b2 = (insn[2] >> 4) & 0xf; | |
1183 | *d2 = ((insn[2] & 0xf) << 8) | insn[3]; | |
1184 | return 1; | |
1185 | } | |
1186 | else | |
1187 | return 0; | |
1188 | } | |
1189 | ||
1190 | ||
1191 | static int | |
a8c99f38 | 1192 | is_rsy (bfd_byte *insn, int op1, int op2, |
34201ae3 | 1193 | unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2) |
4bc8c588 JB |
1194 | { |
1195 | if (insn[0] == op1 | |
4bc8c588 JB |
1196 | && insn[5] == op2) |
1197 | { | |
1198 | *r1 = (insn[1] >> 4) & 0xf; | |
1199 | *r3 = insn[1] & 0xf; | |
1200 | *b2 = (insn[2] >> 4) & 0xf; | |
a8c99f38 | 1201 | /* The 'long displacement' is a 20-bit signed integer. */ |
34201ae3 | 1202 | *d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12)) |
a8c99f38 | 1203 | ^ 0x80000) - 0x80000; |
4bc8c588 JB |
1204 | return 1; |
1205 | } | |
1206 | else | |
1207 | return 0; | |
1208 | } | |
1209 | ||
1210 | ||
1211 | static int | |
1212 | is_rx (bfd_byte *insn, int op, | |
eb1bd1fb | 1213 | unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2) |
4bc8c588 JB |
1214 | { |
1215 | if (insn[0] == op) | |
1216 | { | |
1217 | *r1 = (insn[1] >> 4) & 0xf; | |
1218 | *x2 = insn[1] & 0xf; | |
1219 | *b2 = (insn[2] >> 4) & 0xf; | |
1220 | *d2 = ((insn[2] & 0xf) << 8) | insn[3]; | |
1221 | return 1; | |
1222 | } | |
1223 | else | |
1224 | return 0; | |
1225 | } | |
1226 | ||
1227 | ||
1228 | static int | |
a8c99f38 | 1229 | is_rxy (bfd_byte *insn, int op1, int op2, |
34201ae3 | 1230 | unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2) |
4bc8c588 JB |
1231 | { |
1232 | if (insn[0] == op1 | |
4bc8c588 JB |
1233 | && insn[5] == op2) |
1234 | { | |
1235 | *r1 = (insn[1] >> 4) & 0xf; | |
1236 | *x2 = insn[1] & 0xf; | |
1237 | *b2 = (insn[2] >> 4) & 0xf; | |
a8c99f38 | 1238 | /* The 'long displacement' is a 20-bit signed integer. */ |
34201ae3 | 1239 | *d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12)) |
a8c99f38 | 1240 | ^ 0x80000) - 0x80000; |
4bc8c588 JB |
1241 | return 1; |
1242 | } | |
1243 | else | |
1244 | return 0; | |
1245 | } | |
1246 | ||
1247 | ||
3fc46200 | 1248 | /* Prologue analysis. */ |
4bc8c588 | 1249 | |
d0f54f9d JB |
1250 | #define S390_NUM_GPRS 16 |
1251 | #define S390_NUM_FPRS 16 | |
4bc8c588 | 1252 | |
a8c99f38 JB |
1253 | struct s390_prologue_data { |
1254 | ||
ee1b3323 UW |
1255 | /* The stack. */ |
1256 | struct pv_area *stack; | |
1257 | ||
e17a4113 | 1258 | /* The size and byte-order of a GPR or FPR. */ |
a8c99f38 JB |
1259 | int gpr_size; |
1260 | int fpr_size; | |
e17a4113 | 1261 | enum bfd_endian byte_order; |
a8c99f38 JB |
1262 | |
1263 | /* The general-purpose registers. */ | |
3fc46200 | 1264 | pv_t gpr[S390_NUM_GPRS]; |
a8c99f38 JB |
1265 | |
1266 | /* The floating-point registers. */ | |
3fc46200 | 1267 | pv_t fpr[S390_NUM_FPRS]; |
a8c99f38 | 1268 | |
121d8485 UW |
1269 | /* The offset relative to the CFA where the incoming GPR N was saved |
1270 | by the function prologue. 0 if not saved or unknown. */ | |
1271 | int gpr_slot[S390_NUM_GPRS]; | |
4bc8c588 | 1272 | |
121d8485 UW |
1273 | /* Likewise for FPRs. */ |
1274 | int fpr_slot[S390_NUM_FPRS]; | |
4bc8c588 | 1275 | |
121d8485 UW |
1276 | /* Nonzero if the backchain was saved. This is assumed to be the |
1277 | case when the incoming SP is saved at the current SP location. */ | |
1278 | int back_chain_saved_p; | |
1279 | }; | |
4bc8c588 | 1280 | |
3fc46200 UW |
1281 | /* Return the effective address for an X-style instruction, like: |
1282 | ||
34201ae3 | 1283 | L R1, D2(X2, B2) |
3fc46200 UW |
1284 | |
1285 | Here, X2 and B2 are registers, and D2 is a signed 20-bit | |
1286 | constant; the effective address is the sum of all three. If either | |
1287 | X2 or B2 are zero, then it doesn't contribute to the sum --- this | |
1288 | means that r0 can't be used as either X2 or B2. */ | |
1289 | static pv_t | |
1290 | s390_addr (struct s390_prologue_data *data, | |
1291 | int d2, unsigned int x2, unsigned int b2) | |
1292 | { | |
1293 | pv_t result; | |
1294 | ||
1295 | result = pv_constant (d2); | |
1296 | if (x2) | |
1297 | result = pv_add (result, data->gpr[x2]); | |
1298 | if (b2) | |
1299 | result = pv_add (result, data->gpr[b2]); | |
1300 | ||
1301 | return result; | |
1302 | } | |
1303 | ||
1304 | /* Do a SIZE-byte store of VALUE to D2(X2,B2). */ | |
a8c99f38 | 1305 | static void |
3fc46200 UW |
1306 | s390_store (struct s390_prologue_data *data, |
1307 | int d2, unsigned int x2, unsigned int b2, CORE_ADDR size, | |
1308 | pv_t value) | |
4bc8c588 | 1309 | { |
3fc46200 | 1310 | pv_t addr = s390_addr (data, d2, x2, b2); |
ee1b3323 | 1311 | pv_t offset; |
121d8485 UW |
1312 | |
1313 | /* Check whether we are storing the backchain. */ | |
3fc46200 | 1314 | offset = pv_subtract (data->gpr[S390_SP_REGNUM - S390_R0_REGNUM], addr); |
121d8485 | 1315 | |
3fc46200 | 1316 | if (pv_is_constant (offset) && offset.k == 0) |
121d8485 | 1317 | if (size == data->gpr_size |
3fc46200 | 1318 | && pv_is_register_k (value, S390_SP_REGNUM, 0)) |
121d8485 UW |
1319 | { |
1320 | data->back_chain_saved_p = 1; | |
1321 | return; | |
1322 | } | |
1323 | ||
1324 | ||
1325 | /* Check whether we are storing a register into the stack. */ | |
ee1b3323 UW |
1326 | if (!pv_area_store_would_trash (data->stack, addr)) |
1327 | pv_area_store (data->stack, addr, size, value); | |
4bc8c588 | 1328 | |
a8c99f38 | 1329 | |
121d8485 UW |
1330 | /* Note: If this is some store we cannot identify, you might think we |
1331 | should forget our cached values, as any of those might have been hit. | |
1332 | ||
1333 | However, we make the assumption that the register save areas are only | |
1334 | ever stored to once in any given function, and we do recognize these | |
1335 | stores. Thus every store we cannot recognize does not hit our data. */ | |
4bc8c588 | 1336 | } |
4bc8c588 | 1337 | |
3fc46200 UW |
1338 | /* Do a SIZE-byte load from D2(X2,B2). */ |
1339 | static pv_t | |
1340 | s390_load (struct s390_prologue_data *data, | |
1341 | int d2, unsigned int x2, unsigned int b2, CORE_ADDR size) | |
34201ae3 | 1342 | |
4bc8c588 | 1343 | { |
3fc46200 | 1344 | pv_t addr = s390_addr (data, d2, x2, b2); |
4bc8c588 | 1345 | |
a8c99f38 JB |
1346 | /* If it's a load from an in-line constant pool, then we can |
1347 | simulate that, under the assumption that the code isn't | |
1348 | going to change between the time the processor actually | |
1349 | executed it creating the current frame, and the time when | |
1350 | we're analyzing the code to unwind past that frame. */ | |
3fc46200 | 1351 | if (pv_is_constant (addr)) |
4bc8c588 | 1352 | { |
0542c86d | 1353 | struct target_section *secp; |
3fc46200 | 1354 | secp = target_section_by_addr (¤t_target, addr.k); |
a8c99f38 | 1355 | if (secp != NULL |
34201ae3 | 1356 | && (bfd_get_section_flags (secp->the_bfd_section->owner, |
57e6060e | 1357 | secp->the_bfd_section) |
34201ae3 UW |
1358 | & SEC_READONLY)) |
1359 | return pv_constant (read_memory_integer (addr.k, size, | |
e17a4113 | 1360 | data->byte_order)); |
a8c99f38 | 1361 | } |
7666f43c | 1362 | |
121d8485 | 1363 | /* Check whether we are accessing one of our save slots. */ |
ee1b3323 UW |
1364 | return pv_area_fetch (data->stack, addr, size); |
1365 | } | |
121d8485 | 1366 | |
ee1b3323 UW |
1367 | /* Function for finding saved registers in a 'struct pv_area'; we pass |
1368 | this to pv_area_scan. | |
121d8485 | 1369 | |
ee1b3323 UW |
1370 | If VALUE is a saved register, ADDR says it was saved at a constant |
1371 | offset from the frame base, and SIZE indicates that the whole | |
1372 | register was saved, record its offset in the reg_offset table in | |
1373 | PROLOGUE_UNTYPED. */ | |
1374 | static void | |
c378eb4e MS |
1375 | s390_check_for_saved (void *data_untyped, pv_t addr, |
1376 | CORE_ADDR size, pv_t value) | |
ee1b3323 | 1377 | { |
19ba03f4 | 1378 | struct s390_prologue_data *data = (struct s390_prologue_data *) data_untyped; |
ee1b3323 UW |
1379 | int i, offset; |
1380 | ||
1381 | if (!pv_is_register (addr, S390_SP_REGNUM)) | |
1382 | return; | |
1383 | ||
1384 | offset = 16 * data->gpr_size + 32 - addr.k; | |
4bc8c588 | 1385 | |
ee1b3323 UW |
1386 | /* If we are storing the original value of a register, we want to |
1387 | record the CFA offset. If the same register is stored multiple | |
1388 | times, the stack slot with the highest address counts. */ | |
34201ae3 | 1389 | |
ee1b3323 UW |
1390 | for (i = 0; i < S390_NUM_GPRS; i++) |
1391 | if (size == data->gpr_size | |
1392 | && pv_is_register_k (value, S390_R0_REGNUM + i, 0)) | |
1393 | if (data->gpr_slot[i] == 0 | |
1394 | || data->gpr_slot[i] > offset) | |
1395 | { | |
1396 | data->gpr_slot[i] = offset; | |
1397 | return; | |
1398 | } | |
1399 | ||
1400 | for (i = 0; i < S390_NUM_FPRS; i++) | |
1401 | if (size == data->fpr_size | |
1402 | && pv_is_register_k (value, S390_F0_REGNUM + i, 0)) | |
1403 | if (data->fpr_slot[i] == 0 | |
1404 | || data->fpr_slot[i] > offset) | |
1405 | { | |
1406 | data->fpr_slot[i] = offset; | |
1407 | return; | |
1408 | } | |
a8c99f38 | 1409 | } |
4bc8c588 | 1410 | |
a8c99f38 JB |
1411 | /* Analyze the prologue of the function starting at START_PC, |
1412 | continuing at most until CURRENT_PC. Initialize DATA to | |
1413 | hold all information we find out about the state of the registers | |
1414 | and stack slots. Return the address of the instruction after | |
1415 | the last one that changed the SP, FP, or back chain; or zero | |
1416 | on error. */ | |
1417 | static CORE_ADDR | |
1418 | s390_analyze_prologue (struct gdbarch *gdbarch, | |
1419 | CORE_ADDR start_pc, | |
1420 | CORE_ADDR current_pc, | |
1421 | struct s390_prologue_data *data) | |
4bc8c588 | 1422 | { |
a8c99f38 JB |
1423 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
1424 | ||
4bc8c588 | 1425 | /* Our return value: |
a8c99f38 | 1426 | The address of the instruction after the last one that changed |
34201ae3 | 1427 | the SP, FP, or back chain; zero if we got an error trying to |
a8c99f38 JB |
1428 | read memory. */ |
1429 | CORE_ADDR result = start_pc; | |
4bc8c588 | 1430 | |
4bc8c588 JB |
1431 | /* The current PC for our abstract interpretation. */ |
1432 | CORE_ADDR pc; | |
1433 | ||
1434 | /* The address of the next instruction after that. */ | |
1435 | CORE_ADDR next_pc; | |
34201ae3 | 1436 | |
4bc8c588 JB |
1437 | /* Set up everything's initial value. */ |
1438 | { | |
1439 | int i; | |
1440 | ||
55f960e1 | 1441 | data->stack = make_pv_area (S390_SP_REGNUM, gdbarch_addr_bit (gdbarch)); |
ee1b3323 | 1442 | |
a8c99f38 JB |
1443 | /* For the purpose of prologue tracking, we consider the GPR size to |
1444 | be equal to the ABI word size, even if it is actually larger | |
1445 | (i.e. when running a 32-bit binary under a 64-bit kernel). */ | |
1446 | data->gpr_size = word_size; | |
1447 | data->fpr_size = 8; | |
e17a4113 | 1448 | data->byte_order = gdbarch_byte_order (gdbarch); |
a8c99f38 | 1449 | |
4bc8c588 | 1450 | for (i = 0; i < S390_NUM_GPRS; i++) |
3fc46200 | 1451 | data->gpr[i] = pv_register (S390_R0_REGNUM + i, 0); |
4bc8c588 JB |
1452 | |
1453 | for (i = 0; i < S390_NUM_FPRS; i++) | |
3fc46200 | 1454 | data->fpr[i] = pv_register (S390_F0_REGNUM + i, 0); |
4bc8c588 | 1455 | |
121d8485 UW |
1456 | for (i = 0; i < S390_NUM_GPRS; i++) |
1457 | data->gpr_slot[i] = 0; | |
1458 | ||
1459 | for (i = 0; i < S390_NUM_FPRS; i++) | |
1460 | data->fpr_slot[i] = 0; | |
4bc8c588 | 1461 | |
121d8485 | 1462 | data->back_chain_saved_p = 0; |
4bc8c588 JB |
1463 | } |
1464 | ||
a8c99f38 JB |
1465 | /* Start interpreting instructions, until we hit the frame's |
1466 | current PC or the first branch instruction. */ | |
1467 | for (pc = start_pc; pc > 0 && pc < current_pc; pc = next_pc) | |
5769d3cd | 1468 | { |
4bc8c588 | 1469 | bfd_byte insn[S390_MAX_INSTR_SIZE]; |
a788de9b | 1470 | int insn_len = s390_readinstruction (insn, pc); |
4bc8c588 | 1471 | |
3fc46200 UW |
1472 | bfd_byte dummy[S390_MAX_INSTR_SIZE] = { 0 }; |
1473 | bfd_byte *insn32 = word_size == 4 ? insn : dummy; | |
1474 | bfd_byte *insn64 = word_size == 8 ? insn : dummy; | |
1475 | ||
4bc8c588 | 1476 | /* Fields for various kinds of instructions. */ |
a8c99f38 JB |
1477 | unsigned int b2, r1, r2, x2, r3; |
1478 | int i2, d2; | |
4bc8c588 | 1479 | |
121d8485 | 1480 | /* The values of SP and FP before this instruction, |
34201ae3 | 1481 | for detecting instructions that change them. */ |
3fc46200 | 1482 | pv_t pre_insn_sp, pre_insn_fp; |
121d8485 UW |
1483 | /* Likewise for the flag whether the back chain was saved. */ |
1484 | int pre_insn_back_chain_saved_p; | |
4bc8c588 JB |
1485 | |
1486 | /* If we got an error trying to read the instruction, report it. */ | |
1487 | if (insn_len < 0) | |
34201ae3 UW |
1488 | { |
1489 | result = 0; | |
1490 | break; | |
1491 | } | |
4bc8c588 JB |
1492 | |
1493 | next_pc = pc + insn_len; | |
1494 | ||
a8c99f38 JB |
1495 | pre_insn_sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM]; |
1496 | pre_insn_fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM]; | |
121d8485 | 1497 | pre_insn_back_chain_saved_p = data->back_chain_saved_p; |
4bc8c588 | 1498 | |
4bc8c588 | 1499 | |
3fc46200 UW |
1500 | /* LHI r1, i2 --- load halfword immediate. */ |
1501 | /* LGHI r1, i2 --- load halfword immediate (64-bit version). */ | |
1502 | /* LGFI r1, i2 --- load fullword immediate. */ | |
1503 | if (is_ri (insn32, op1_lhi, op2_lhi, &r1, &i2) | |
34201ae3 UW |
1504 | || is_ri (insn64, op1_lghi, op2_lghi, &r1, &i2) |
1505 | || is_ril (insn, op1_lgfi, op2_lgfi, &r1, &i2)) | |
3fc46200 UW |
1506 | data->gpr[r1] = pv_constant (i2); |
1507 | ||
1508 | /* LR r1, r2 --- load from register. */ | |
1509 | /* LGR r1, r2 --- load from register (64-bit version). */ | |
1510 | else if (is_rr (insn32, op_lr, &r1, &r2) | |
1511 | || is_rre (insn64, op_lgr, &r1, &r2)) | |
1512 | data->gpr[r1] = data->gpr[r2]; | |
1513 | ||
1514 | /* L r1, d2(x2, b2) --- load. */ | |
1515 | /* LY r1, d2(x2, b2) --- load (long-displacement version). */ | |
1516 | /* LG r1, d2(x2, b2) --- load (64-bit version). */ | |
1517 | else if (is_rx (insn32, op_l, &r1, &d2, &x2, &b2) | |
1518 | || is_rxy (insn32, op1_ly, op2_ly, &r1, &d2, &x2, &b2) | |
1519 | || is_rxy (insn64, op1_lg, op2_lg, &r1, &d2, &x2, &b2)) | |
1520 | data->gpr[r1] = s390_load (data, d2, x2, b2, data->gpr_size); | |
1521 | ||
1522 | /* ST r1, d2(x2, b2) --- store. */ | |
1523 | /* STY r1, d2(x2, b2) --- store (long-displacement version). */ | |
1524 | /* STG r1, d2(x2, b2) --- store (64-bit version). */ | |
1525 | else if (is_rx (insn32, op_st, &r1, &d2, &x2, &b2) | |
1526 | || is_rxy (insn32, op1_sty, op2_sty, &r1, &d2, &x2, &b2) | |
1527 | || is_rxy (insn64, op1_stg, op2_stg, &r1, &d2, &x2, &b2)) | |
1528 | s390_store (data, d2, x2, b2, data->gpr_size, data->gpr[r1]); | |
1529 | ||
1530 | /* STD r1, d2(x2,b2) --- store floating-point register. */ | |
4bc8c588 | 1531 | else if (is_rx (insn, op_std, &r1, &d2, &x2, &b2)) |
3fc46200 UW |
1532 | s390_store (data, d2, x2, b2, data->fpr_size, data->fpr[r1]); |
1533 | ||
1534 | /* STM r1, r3, d2(b2) --- store multiple. */ | |
c378eb4e MS |
1535 | /* STMY r1, r3, d2(b2) --- store multiple (long-displacement |
1536 | version). */ | |
3fc46200 UW |
1537 | /* STMG r1, r3, d2(b2) --- store multiple (64-bit version). */ |
1538 | else if (is_rs (insn32, op_stm, &r1, &r3, &d2, &b2) | |
1539 | || is_rsy (insn32, op1_stmy, op2_stmy, &r1, &r3, &d2, &b2) | |
1540 | || is_rsy (insn64, op1_stmg, op2_stmg, &r1, &r3, &d2, &b2)) | |
34201ae3 UW |
1541 | { |
1542 | for (; r1 <= r3; r1++, d2 += data->gpr_size) | |
3fc46200 | 1543 | s390_store (data, d2, 0, b2, data->gpr_size, data->gpr[r1]); |
34201ae3 | 1544 | } |
4bc8c588 | 1545 | |
3fc46200 UW |
1546 | /* AHI r1, i2 --- add halfword immediate. */ |
1547 | /* AGHI r1, i2 --- add halfword immediate (64-bit version). */ | |
1548 | /* AFI r1, i2 --- add fullword immediate. */ | |
1549 | /* AGFI r1, i2 --- add fullword immediate (64-bit version). */ | |
1550 | else if (is_ri (insn32, op1_ahi, op2_ahi, &r1, &i2) | |
1551 | || is_ri (insn64, op1_aghi, op2_aghi, &r1, &i2) | |
1552 | || is_ril (insn32, op1_afi, op2_afi, &r1, &i2) | |
1553 | || is_ril (insn64, op1_agfi, op2_agfi, &r1, &i2)) | |
1554 | data->gpr[r1] = pv_add_constant (data->gpr[r1], i2); | |
1555 | ||
1556 | /* ALFI r1, i2 --- add logical immediate. */ | |
1557 | /* ALGFI r1, i2 --- add logical immediate (64-bit version). */ | |
1558 | else if (is_ril (insn32, op1_alfi, op2_alfi, &r1, &i2) | |
1559 | || is_ril (insn64, op1_algfi, op2_algfi, &r1, &i2)) | |
1560 | data->gpr[r1] = pv_add_constant (data->gpr[r1], | |
1561 | (CORE_ADDR)i2 & 0xffffffff); | |
1562 | ||
1563 | /* AR r1, r2 -- add register. */ | |
1564 | /* AGR r1, r2 -- add register (64-bit version). */ | |
1565 | else if (is_rr (insn32, op_ar, &r1, &r2) | |
1566 | || is_rre (insn64, op_agr, &r1, &r2)) | |
1567 | data->gpr[r1] = pv_add (data->gpr[r1], data->gpr[r2]); | |
1568 | ||
1569 | /* A r1, d2(x2, b2) -- add. */ | |
1570 | /* AY r1, d2(x2, b2) -- add (long-displacement version). */ | |
1571 | /* AG r1, d2(x2, b2) -- add (64-bit version). */ | |
1572 | else if (is_rx (insn32, op_a, &r1, &d2, &x2, &b2) | |
1573 | || is_rxy (insn32, op1_ay, op2_ay, &r1, &d2, &x2, &b2) | |
1574 | || is_rxy (insn64, op1_ag, op2_ag, &r1, &d2, &x2, &b2)) | |
1575 | data->gpr[r1] = pv_add (data->gpr[r1], | |
1576 | s390_load (data, d2, x2, b2, data->gpr_size)); | |
1577 | ||
1578 | /* SLFI r1, i2 --- subtract logical immediate. */ | |
1579 | /* SLGFI r1, i2 --- subtract logical immediate (64-bit version). */ | |
1580 | else if (is_ril (insn32, op1_slfi, op2_slfi, &r1, &i2) | |
1581 | || is_ril (insn64, op1_slgfi, op2_slgfi, &r1, &i2)) | |
1582 | data->gpr[r1] = pv_add_constant (data->gpr[r1], | |
1583 | -((CORE_ADDR)i2 & 0xffffffff)); | |
1584 | ||
1585 | /* SR r1, r2 -- subtract register. */ | |
1586 | /* SGR r1, r2 -- subtract register (64-bit version). */ | |
1587 | else if (is_rr (insn32, op_sr, &r1, &r2) | |
1588 | || is_rre (insn64, op_sgr, &r1, &r2)) | |
1589 | data->gpr[r1] = pv_subtract (data->gpr[r1], data->gpr[r2]); | |
1590 | ||
1591 | /* S r1, d2(x2, b2) -- subtract. */ | |
1592 | /* SY r1, d2(x2, b2) -- subtract (long-displacement version). */ | |
1593 | /* SG r1, d2(x2, b2) -- subtract (64-bit version). */ | |
1594 | else if (is_rx (insn32, op_s, &r1, &d2, &x2, &b2) | |
1595 | || is_rxy (insn32, op1_sy, op2_sy, &r1, &d2, &x2, &b2) | |
1596 | || is_rxy (insn64, op1_sg, op2_sg, &r1, &d2, &x2, &b2)) | |
1597 | data->gpr[r1] = pv_subtract (data->gpr[r1], | |
1598 | s390_load (data, d2, x2, b2, data->gpr_size)); | |
1599 | ||
1600 | /* LA r1, d2(x2, b2) --- load address. */ | |
1601 | /* LAY r1, d2(x2, b2) --- load address (long-displacement version). */ | |
1602 | else if (is_rx (insn, op_la, &r1, &d2, &x2, &b2) | |
34201ae3 | 1603 | || is_rxy (insn, op1_lay, op2_lay, &r1, &d2, &x2, &b2)) |
3fc46200 UW |
1604 | data->gpr[r1] = s390_addr (data, d2, x2, b2); |
1605 | ||
1606 | /* LARL r1, i2 --- load address relative long. */ | |
a8c99f38 | 1607 | else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2)) |
3fc46200 | 1608 | data->gpr[r1] = pv_constant (pc + i2 * 2); |
a8c99f38 | 1609 | |
3fc46200 | 1610 | /* BASR r1, 0 --- branch and save. |
34201ae3 | 1611 | Since r2 is zero, this saves the PC in r1, but doesn't branch. */ |
a8c99f38 | 1612 | else if (is_rr (insn, op_basr, &r1, &r2) |
34201ae3 | 1613 | && r2 == 0) |
3fc46200 | 1614 | data->gpr[r1] = pv_constant (next_pc); |
a8c99f38 | 1615 | |
3fc46200 | 1616 | /* BRAS r1, i2 --- branch relative and save. */ |
a8c99f38 | 1617 | else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2)) |
34201ae3 UW |
1618 | { |
1619 | data->gpr[r1] = pv_constant (next_pc); | |
1620 | next_pc = pc + i2 * 2; | |
4bc8c588 | 1621 | |
34201ae3 UW |
1622 | /* We'd better not interpret any backward branches. We'll |
1623 | never terminate. */ | |
1624 | if (next_pc <= pc) | |
1625 | break; | |
1626 | } | |
4bc8c588 | 1627 | |
bc0e3f49 AA |
1628 | /* BRC/BRCL -- branch relative on condition. Ignore "branch |
1629 | never", branch to following instruction, and "conditional | |
1630 | trap" (BRC +2). Otherwise terminate search. */ | |
1631 | else if (is_ri (insn, op1_brc, op2_brc, &r1, &i2)) | |
1632 | { | |
1633 | if (r1 != 0 && i2 != 1 && i2 != 2) | |
1634 | break; | |
1635 | } | |
1636 | else if (is_ril (insn, op1_brcl, op2_brcl, &r1, &i2)) | |
1637 | { | |
1638 | if (r1 != 0 && i2 != 3) | |
1639 | break; | |
1640 | } | |
1641 | ||
a8c99f38 JB |
1642 | /* Terminate search when hitting any other branch instruction. */ |
1643 | else if (is_rr (insn, op_basr, &r1, &r2) | |
1644 | || is_rx (insn, op_bas, &r1, &d2, &x2, &b2) | |
1645 | || is_rr (insn, op_bcr, &r1, &r2) | |
1646 | || is_rx (insn, op_bc, &r1, &d2, &x2, &b2) | |
a8c99f38 JB |
1647 | || is_ril (insn, op1_brasl, op2_brasl, &r2, &i2)) |
1648 | break; | |
1649 | ||
4bc8c588 | 1650 | else |
d4fb63e1 TT |
1651 | { |
1652 | /* An instruction we don't know how to simulate. The only | |
1653 | safe thing to do would be to set every value we're tracking | |
1654 | to 'unknown'. Instead, we'll be optimistic: we assume that | |
1655 | we *can* interpret every instruction that the compiler uses | |
1656 | to manipulate any of the data we're interested in here -- | |
1657 | then we can just ignore anything else. */ | |
1658 | } | |
4bc8c588 JB |
1659 | |
1660 | /* Record the address after the last instruction that changed | |
34201ae3 UW |
1661 | the FP, SP, or backlink. Ignore instructions that changed |
1662 | them back to their original values --- those are probably | |
1663 | restore instructions. (The back chain is never restored, | |
1664 | just popped.) */ | |
4bc8c588 | 1665 | { |
34201ae3 UW |
1666 | pv_t sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM]; |
1667 | pv_t fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM]; | |
1668 | ||
1669 | if ((! pv_is_identical (pre_insn_sp, sp) | |
1670 | && ! pv_is_register_k (sp, S390_SP_REGNUM, 0) | |
3fc46200 | 1671 | && sp.kind != pvk_unknown) |
34201ae3 UW |
1672 | || (! pv_is_identical (pre_insn_fp, fp) |
1673 | && ! pv_is_register_k (fp, S390_FRAME_REGNUM, 0) | |
3fc46200 | 1674 | && fp.kind != pvk_unknown) |
34201ae3 UW |
1675 | || pre_insn_back_chain_saved_p != data->back_chain_saved_p) |
1676 | result = next_pc; | |
4bc8c588 | 1677 | } |
5769d3cd | 1678 | } |
4bc8c588 | 1679 | |
ee1b3323 UW |
1680 | /* Record where all the registers were saved. */ |
1681 | pv_area_scan (data->stack, s390_check_for_saved, data); | |
1682 | ||
1683 | free_pv_area (data->stack); | |
1684 | data->stack = NULL; | |
1685 | ||
4bc8c588 | 1686 | return result; |
5769d3cd AC |
1687 | } |
1688 | ||
34201ae3 | 1689 | /* Advance PC across any function entry prologue instructions to reach |
a8c99f38 JB |
1690 | some "real" code. */ |
1691 | static CORE_ADDR | |
6093d2eb | 1692 | s390_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc) |
a8c99f38 JB |
1693 | { |
1694 | struct s390_prologue_data data; | |
f054145e AA |
1695 | CORE_ADDR skip_pc, func_addr; |
1696 | ||
1697 | if (find_pc_partial_function (pc, NULL, &func_addr, NULL)) | |
1698 | { | |
1699 | CORE_ADDR post_prologue_pc | |
1700 | = skip_prologue_using_sal (gdbarch, func_addr); | |
1701 | if (post_prologue_pc != 0) | |
325fac50 | 1702 | return std::max (pc, post_prologue_pc); |
f054145e AA |
1703 | } |
1704 | ||
6093d2eb | 1705 | skip_pc = s390_analyze_prologue (gdbarch, pc, (CORE_ADDR)-1, &data); |
a8c99f38 JB |
1706 | return skip_pc ? skip_pc : pc; |
1707 | } | |
1708 | ||
c9cf6e20 | 1709 | /* Implmement the stack_frame_destroyed_p gdbarch method. */ |
d0f54f9d | 1710 | static int |
c9cf6e20 | 1711 | s390_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc) |
d0f54f9d JB |
1712 | { |
1713 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; | |
1714 | ||
1715 | /* In frameless functions, there's not frame to destroy and thus | |
1716 | we don't care about the epilogue. | |
1717 | ||
1718 | In functions with frame, the epilogue sequence is a pair of | |
1719 | a LM-type instruction that restores (amongst others) the | |
1720 | return register %r14 and the stack pointer %r15, followed | |
1721 | by a branch 'br %r14' --or equivalent-- that effects the | |
1722 | actual return. | |
1723 | ||
1724 | In that situation, this function needs to return 'true' in | |
1725 | exactly one case: when pc points to that branch instruction. | |
1726 | ||
1727 | Thus we try to disassemble the one instructions immediately | |
177b42fe | 1728 | preceding pc and check whether it is an LM-type instruction |
d0f54f9d JB |
1729 | modifying the stack pointer. |
1730 | ||
1731 | Note that disassembling backwards is not reliable, so there | |
1732 | is a slight chance of false positives here ... */ | |
1733 | ||
1734 | bfd_byte insn[6]; | |
1735 | unsigned int r1, r3, b2; | |
1736 | int d2; | |
1737 | ||
1738 | if (word_size == 4 | |
8defab1a | 1739 | && !target_read_memory (pc - 4, insn, 4) |
d0f54f9d JB |
1740 | && is_rs (insn, op_lm, &r1, &r3, &d2, &b2) |
1741 | && r3 == S390_SP_REGNUM - S390_R0_REGNUM) | |
1742 | return 1; | |
1743 | ||
a8c99f38 | 1744 | if (word_size == 4 |
8defab1a | 1745 | && !target_read_memory (pc - 6, insn, 6) |
a8c99f38 JB |
1746 | && is_rsy (insn, op1_lmy, op2_lmy, &r1, &r3, &d2, &b2) |
1747 | && r3 == S390_SP_REGNUM - S390_R0_REGNUM) | |
1748 | return 1; | |
1749 | ||
d0f54f9d | 1750 | if (word_size == 8 |
8defab1a | 1751 | && !target_read_memory (pc - 6, insn, 6) |
a8c99f38 | 1752 | && is_rsy (insn, op1_lmg, op2_lmg, &r1, &r3, &d2, &b2) |
d0f54f9d JB |
1753 | && r3 == S390_SP_REGNUM - S390_R0_REGNUM) |
1754 | return 1; | |
1755 | ||
1756 | return 0; | |
1757 | } | |
5769d3cd | 1758 | |
1db4e8a0 UW |
1759 | /* Displaced stepping. */ |
1760 | ||
5ac21343 PA |
1761 | /* Return true if INSN is a non-branch RIL-b or RIL-c format |
1762 | instruction. */ | |
1763 | ||
1764 | static int | |
1765 | is_non_branch_ril (gdb_byte *insn) | |
1766 | { | |
1767 | gdb_byte op1 = insn[0]; | |
1768 | ||
1769 | if (op1 == 0xc4) | |
1770 | { | |
1771 | gdb_byte op2 = insn[1] & 0x0f; | |
1772 | ||
1773 | switch (op2) | |
1774 | { | |
1775 | case 0x02: /* llhrl */ | |
1776 | case 0x04: /* lghrl */ | |
1777 | case 0x05: /* lhrl */ | |
1778 | case 0x06: /* llghrl */ | |
1779 | case 0x07: /* sthrl */ | |
1780 | case 0x08: /* lgrl */ | |
1781 | case 0x0b: /* stgrl */ | |
1782 | case 0x0c: /* lgfrl */ | |
1783 | case 0x0d: /* lrl */ | |
1784 | case 0x0e: /* llgfrl */ | |
1785 | case 0x0f: /* strl */ | |
1786 | return 1; | |
1787 | } | |
1788 | } | |
1789 | else if (op1 == 0xc6) | |
1790 | { | |
1791 | gdb_byte op2 = insn[1] & 0x0f; | |
1792 | ||
1793 | switch (op2) | |
1794 | { | |
1795 | case 0x00: /* exrl */ | |
1796 | case 0x02: /* pfdrl */ | |
1797 | case 0x04: /* cghrl */ | |
1798 | case 0x05: /* chrl */ | |
1799 | case 0x06: /* clghrl */ | |
1800 | case 0x07: /* clhrl */ | |
1801 | case 0x08: /* cgrl */ | |
1802 | case 0x0a: /* clgrl */ | |
1803 | case 0x0c: /* cgfrl */ | |
1804 | case 0x0d: /* crl */ | |
1805 | case 0x0e: /* clgfrl */ | |
1806 | case 0x0f: /* clrl */ | |
1807 | return 1; | |
1808 | } | |
1809 | } | |
1810 | ||
1811 | return 0; | |
1812 | } | |
1813 | ||
1814 | /* Implementation of gdbarch_displaced_step_copy_insn. */ | |
1815 | ||
1816 | static struct displaced_step_closure * | |
1817 | s390_displaced_step_copy_insn (struct gdbarch *gdbarch, | |
1818 | CORE_ADDR from, CORE_ADDR to, | |
1819 | struct regcache *regs) | |
1820 | { | |
1821 | size_t len = gdbarch_max_insn_length (gdbarch); | |
224c3ddb | 1822 | gdb_byte *buf = (gdb_byte *) xmalloc (len); |
5ac21343 PA |
1823 | struct cleanup *old_chain = make_cleanup (xfree, buf); |
1824 | ||
1825 | read_memory (from, buf, len); | |
1826 | ||
1827 | /* Adjust the displacement field of PC-relative RIL instructions, | |
1828 | except branches. The latter are handled in the fixup hook. */ | |
1829 | if (is_non_branch_ril (buf)) | |
1830 | { | |
1831 | LONGEST offset; | |
1832 | ||
1833 | offset = extract_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG); | |
1834 | offset = (from - to + offset * 2) / 2; | |
1835 | ||
1836 | /* If the instruction is too far from the jump pad, punt. This | |
1837 | will usually happen with instructions in shared libraries. | |
1838 | We could probably support these by rewriting them to be | |
1839 | absolute or fully emulating them. */ | |
1840 | if (offset < INT32_MIN || offset > INT32_MAX) | |
1841 | { | |
1842 | /* Let the core fall back to stepping over the breakpoint | |
1843 | in-line. */ | |
1844 | if (debug_displaced) | |
1845 | { | |
1846 | fprintf_unfiltered (gdb_stdlog, | |
1847 | "displaced: can't displaced step " | |
1848 | "RIL instruction: offset %s out of range\n", | |
1849 | plongest (offset)); | |
1850 | } | |
1851 | do_cleanups (old_chain); | |
1852 | return NULL; | |
1853 | } | |
1854 | ||
1855 | store_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG, offset); | |
1856 | } | |
1857 | ||
1858 | write_memory (to, buf, len); | |
1859 | ||
1860 | if (debug_displaced) | |
1861 | { | |
1862 | fprintf_unfiltered (gdb_stdlog, "displaced: copy %s->%s: ", | |
1863 | paddress (gdbarch, from), paddress (gdbarch, to)); | |
1864 | displaced_step_dump_bytes (gdb_stdlog, buf, len); | |
1865 | } | |
1866 | ||
1867 | discard_cleanups (old_chain); | |
1868 | return (struct displaced_step_closure *) buf; | |
1869 | } | |
1870 | ||
1db4e8a0 UW |
1871 | /* Fix up the state of registers and memory after having single-stepped |
1872 | a displaced instruction. */ | |
1873 | static void | |
1874 | s390_displaced_step_fixup (struct gdbarch *gdbarch, | |
1875 | struct displaced_step_closure *closure, | |
1876 | CORE_ADDR from, CORE_ADDR to, | |
1877 | struct regcache *regs) | |
1878 | { | |
5ac21343 | 1879 | /* Our closure is a copy of the instruction. */ |
1db4e8a0 UW |
1880 | gdb_byte *insn = (gdb_byte *) closure; |
1881 | static int s390_instrlen[] = { 2, 4, 4, 6 }; | |
1882 | int insnlen = s390_instrlen[insn[0] >> 6]; | |
1883 | ||
1884 | /* Fields for various kinds of instructions. */ | |
1885 | unsigned int b2, r1, r2, x2, r3; | |
1886 | int i2, d2; | |
1887 | ||
1888 | /* Get current PC and addressing mode bit. */ | |
1889 | CORE_ADDR pc = regcache_read_pc (regs); | |
beaabab2 | 1890 | ULONGEST amode = 0; |
1db4e8a0 UW |
1891 | |
1892 | if (register_size (gdbarch, S390_PSWA_REGNUM) == 4) | |
1893 | { | |
1894 | regcache_cooked_read_unsigned (regs, S390_PSWA_REGNUM, &amode); | |
1895 | amode &= 0x80000000; | |
1896 | } | |
1897 | ||
1898 | if (debug_displaced) | |
1899 | fprintf_unfiltered (gdb_stdlog, | |
0161e4b9 | 1900 | "displaced: (s390) fixup (%s, %s) pc %s len %d amode 0x%x\n", |
1db4e8a0 | 1901 | paddress (gdbarch, from), paddress (gdbarch, to), |
0161e4b9 | 1902 | paddress (gdbarch, pc), insnlen, (int) amode); |
1db4e8a0 UW |
1903 | |
1904 | /* Handle absolute branch and save instructions. */ | |
1905 | if (is_rr (insn, op_basr, &r1, &r2) | |
1906 | || is_rx (insn, op_bas, &r1, &d2, &x2, &b2)) | |
1907 | { | |
1908 | /* Recompute saved return address in R1. */ | |
1909 | regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1, | |
1910 | amode | (from + insnlen)); | |
1911 | } | |
1912 | ||
1913 | /* Handle absolute branch instructions. */ | |
1914 | else if (is_rr (insn, op_bcr, &r1, &r2) | |
1915 | || is_rx (insn, op_bc, &r1, &d2, &x2, &b2) | |
1916 | || is_rr (insn, op_bctr, &r1, &r2) | |
1917 | || is_rre (insn, op_bctgr, &r1, &r2) | |
1918 | || is_rx (insn, op_bct, &r1, &d2, &x2, &b2) | |
1919 | || is_rxy (insn, op1_bctg, op2_brctg, &r1, &d2, &x2, &b2) | |
1920 | || is_rs (insn, op_bxh, &r1, &r3, &d2, &b2) | |
1921 | || is_rsy (insn, op1_bxhg, op2_bxhg, &r1, &r3, &d2, &b2) | |
1922 | || is_rs (insn, op_bxle, &r1, &r3, &d2, &b2) | |
1923 | || is_rsy (insn, op1_bxleg, op2_bxleg, &r1, &r3, &d2, &b2)) | |
1924 | { | |
1925 | /* Update PC iff branch was *not* taken. */ | |
1926 | if (pc == to + insnlen) | |
1927 | regcache_write_pc (regs, from + insnlen); | |
1928 | } | |
1929 | ||
1930 | /* Handle PC-relative branch and save instructions. */ | |
1931 | else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2) | |
34201ae3 | 1932 | || is_ril (insn, op1_brasl, op2_brasl, &r1, &i2)) |
1db4e8a0 UW |
1933 | { |
1934 | /* Update PC. */ | |
1935 | regcache_write_pc (regs, pc - to + from); | |
1936 | /* Recompute saved return address in R1. */ | |
1937 | regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1, | |
1938 | amode | (from + insnlen)); | |
1939 | } | |
1940 | ||
1db4e8a0 UW |
1941 | /* Handle LOAD ADDRESS RELATIVE LONG. */ |
1942 | else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2)) | |
1943 | { | |
0161e4b9 UW |
1944 | /* Update PC. */ |
1945 | regcache_write_pc (regs, from + insnlen); | |
34201ae3 | 1946 | /* Recompute output address in R1. */ |
1db4e8a0 | 1947 | regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1, |
0161e4b9 | 1948 | amode | (from + i2 * 2)); |
1db4e8a0 UW |
1949 | } |
1950 | ||
1951 | /* If we executed a breakpoint instruction, point PC right back at it. */ | |
1952 | else if (insn[0] == 0x0 && insn[1] == 0x1) | |
1953 | regcache_write_pc (regs, from); | |
1954 | ||
dcb84eda AA |
1955 | /* For any other insn, adjust PC by negated displacement. PC then |
1956 | points right after the original instruction, except for PC-relative | |
1957 | branches, where it points to the adjusted branch target. */ | |
1db4e8a0 | 1958 | else |
dcb84eda | 1959 | regcache_write_pc (regs, pc - to + from); |
0161e4b9 UW |
1960 | |
1961 | if (debug_displaced) | |
1962 | fprintf_unfiltered (gdb_stdlog, | |
1963 | "displaced: (s390) pc is now %s\n", | |
1964 | paddress (gdbarch, regcache_read_pc (regs))); | |
1db4e8a0 | 1965 | } |
a8c99f38 | 1966 | |
d6db1fab UW |
1967 | |
1968 | /* Helper routine to unwind pseudo registers. */ | |
1969 | ||
1970 | static struct value * | |
1971 | s390_unwind_pseudo_register (struct frame_info *this_frame, int regnum) | |
1972 | { | |
1973 | struct gdbarch *gdbarch = get_frame_arch (this_frame); | |
1974 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
1975 | struct type *type = register_type (gdbarch, regnum); | |
1976 | ||
1977 | /* Unwind PC via PSW address. */ | |
1978 | if (regnum == tdep->pc_regnum) | |
1979 | { | |
1980 | struct value *val; | |
1981 | ||
1982 | val = frame_unwind_register_value (this_frame, S390_PSWA_REGNUM); | |
1983 | if (!value_optimized_out (val)) | |
1984 | { | |
1985 | LONGEST pswa = value_as_long (val); | |
1986 | ||
1987 | if (TYPE_LENGTH (type) == 4) | |
1988 | return value_from_pointer (type, pswa & 0x7fffffff); | |
1989 | else | |
1990 | return value_from_pointer (type, pswa); | |
1991 | } | |
1992 | } | |
1993 | ||
1994 | /* Unwind CC via PSW mask. */ | |
1995 | if (regnum == tdep->cc_regnum) | |
1996 | { | |
1997 | struct value *val; | |
1998 | ||
1999 | val = frame_unwind_register_value (this_frame, S390_PSWM_REGNUM); | |
2000 | if (!value_optimized_out (val)) | |
2001 | { | |
2002 | LONGEST pswm = value_as_long (val); | |
2003 | ||
2004 | if (TYPE_LENGTH (type) == 4) | |
2005 | return value_from_longest (type, (pswm >> 12) & 3); | |
2006 | else | |
2007 | return value_from_longest (type, (pswm >> 44) & 3); | |
2008 | } | |
2009 | } | |
2010 | ||
2011 | /* Unwind full GPRs to show at least the lower halves (as the | |
2012 | upper halves are undefined). */ | |
2ccd1468 | 2013 | if (regnum_is_gpr_full (tdep, regnum)) |
d6db1fab UW |
2014 | { |
2015 | int reg = regnum - tdep->gpr_full_regnum; | |
2016 | struct value *val; | |
2017 | ||
2018 | val = frame_unwind_register_value (this_frame, S390_R0_REGNUM + reg); | |
2019 | if (!value_optimized_out (val)) | |
2020 | return value_cast (type, val); | |
2021 | } | |
2022 | ||
2023 | return allocate_optimized_out_value (type); | |
2024 | } | |
2025 | ||
2026 | static struct value * | |
2027 | s390_trad_frame_prev_register (struct frame_info *this_frame, | |
2028 | struct trad_frame_saved_reg saved_regs[], | |
2029 | int regnum) | |
2030 | { | |
2031 | if (regnum < S390_NUM_REGS) | |
2032 | return trad_frame_get_prev_register (this_frame, saved_regs, regnum); | |
2033 | else | |
2034 | return s390_unwind_pseudo_register (this_frame, regnum); | |
2035 | } | |
2036 | ||
2037 | ||
a8c99f38 JB |
2038 | /* Normal stack frames. */ |
2039 | ||
2040 | struct s390_unwind_cache { | |
2041 | ||
2042 | CORE_ADDR func; | |
2043 | CORE_ADDR frame_base; | |
2044 | CORE_ADDR local_base; | |
2045 | ||
2046 | struct trad_frame_saved_reg *saved_regs; | |
2047 | }; | |
2048 | ||
a78f21af | 2049 | static int |
f089c433 | 2050 | s390_prologue_frame_unwind_cache (struct frame_info *this_frame, |
a8c99f38 | 2051 | struct s390_unwind_cache *info) |
5769d3cd | 2052 | { |
f089c433 | 2053 | struct gdbarch *gdbarch = get_frame_arch (this_frame); |
a8c99f38 JB |
2054 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
2055 | struct s390_prologue_data data; | |
3fc46200 UW |
2056 | pv_t *fp = &data.gpr[S390_FRAME_REGNUM - S390_R0_REGNUM]; |
2057 | pv_t *sp = &data.gpr[S390_SP_REGNUM - S390_R0_REGNUM]; | |
121d8485 UW |
2058 | int i; |
2059 | CORE_ADDR cfa; | |
a8c99f38 JB |
2060 | CORE_ADDR func; |
2061 | CORE_ADDR result; | |
2062 | ULONGEST reg; | |
2063 | CORE_ADDR prev_sp; | |
2064 | int frame_pointer; | |
2065 | int size; | |
edb3359d | 2066 | struct frame_info *next_frame; |
a8c99f38 JB |
2067 | |
2068 | /* Try to find the function start address. If we can't find it, we don't | |
2069 | bother searching for it -- with modern compilers this would be mostly | |
2070 | pointless anyway. Trust that we'll either have valid DWARF-2 CFI data | |
2071 | or else a valid backchain ... */ | |
6d53bec8 AA |
2072 | if (!get_frame_func_if_available (this_frame, &info->func)) |
2073 | { | |
2074 | info->func = -1; | |
2075 | return 0; | |
2076 | } | |
2077 | func = info->func; | |
5769d3cd | 2078 | |
a8c99f38 JB |
2079 | /* Try to analyze the prologue. */ |
2080 | result = s390_analyze_prologue (gdbarch, func, | |
f089c433 | 2081 | get_frame_pc (this_frame), &data); |
a8c99f38 | 2082 | if (!result) |
5769d3cd | 2083 | return 0; |
5769d3cd | 2084 | |
a8c99f38 | 2085 | /* If this was successful, we should have found the instruction that |
34201ae3 | 2086 | sets the stack pointer register to the previous value of the stack |
a8c99f38 | 2087 | pointer minus the frame size. */ |
3fc46200 | 2088 | if (!pv_is_register (*sp, S390_SP_REGNUM)) |
5769d3cd | 2089 | return 0; |
a8c99f38 | 2090 | |
34201ae3 | 2091 | /* A frame size of zero at this point can mean either a real |
a8c99f38 | 2092 | frameless function, or else a failure to find the prologue. |
34201ae3 | 2093 | Perform some sanity checks to verify we really have a |
a8c99f38 JB |
2094 | frameless function. */ |
2095 | if (sp->k == 0) | |
5769d3cd | 2096 | { |
34201ae3 UW |
2097 | /* If the next frame is a NORMAL_FRAME, this frame *cannot* have frame |
2098 | size zero. This is only possible if the next frame is a sentinel | |
a8c99f38 | 2099 | frame, a dummy frame, or a signal trampoline frame. */ |
0e100dab AC |
2100 | /* FIXME: cagney/2004-05-01: This sanity check shouldn't be |
2101 | needed, instead the code should simpliy rely on its | |
2102 | analysis. */ | |
edb3359d DJ |
2103 | next_frame = get_next_frame (this_frame); |
2104 | while (next_frame && get_frame_type (next_frame) == INLINE_FRAME) | |
2105 | next_frame = get_next_frame (next_frame); | |
2106 | if (next_frame | |
f089c433 | 2107 | && get_frame_type (get_next_frame (this_frame)) == NORMAL_FRAME) |
5769d3cd | 2108 | return 0; |
5769d3cd | 2109 | |
a8c99f38 JB |
2110 | /* If we really have a frameless function, %r14 must be valid |
2111 | -- in particular, it must point to a different function. */ | |
f089c433 | 2112 | reg = get_frame_register_unsigned (this_frame, S390_RETADDR_REGNUM); |
a8c99f38 JB |
2113 | reg = gdbarch_addr_bits_remove (gdbarch, reg) - 1; |
2114 | if (get_pc_function_start (reg) == func) | |
5769d3cd | 2115 | { |
a8c99f38 JB |
2116 | /* However, there is one case where it *is* valid for %r14 |
2117 | to point to the same function -- if this is a recursive | |
2118 | call, and we have stopped in the prologue *before* the | |
2119 | stack frame was allocated. | |
2120 | ||
2121 | Recognize this case by looking ahead a bit ... */ | |
5769d3cd | 2122 | |
a8c99f38 | 2123 | struct s390_prologue_data data2; |
3fc46200 | 2124 | pv_t *sp = &data2.gpr[S390_SP_REGNUM - S390_R0_REGNUM]; |
a8c99f38 JB |
2125 | |
2126 | if (!(s390_analyze_prologue (gdbarch, func, (CORE_ADDR)-1, &data2) | |
34201ae3 UW |
2127 | && pv_is_register (*sp, S390_SP_REGNUM) |
2128 | && sp->k != 0)) | |
a8c99f38 | 2129 | return 0; |
5769d3cd | 2130 | } |
5769d3cd | 2131 | } |
5769d3cd AC |
2132 | |
2133 | ||
a8c99f38 JB |
2134 | /* OK, we've found valid prologue data. */ |
2135 | size = -sp->k; | |
5769d3cd | 2136 | |
a8c99f38 JB |
2137 | /* If the frame pointer originally also holds the same value |
2138 | as the stack pointer, we're probably using it. If it holds | |
2139 | some other value -- even a constant offset -- it is most | |
2140 | likely used as temp register. */ | |
3fc46200 | 2141 | if (pv_is_identical (*sp, *fp)) |
a8c99f38 JB |
2142 | frame_pointer = S390_FRAME_REGNUM; |
2143 | else | |
2144 | frame_pointer = S390_SP_REGNUM; | |
2145 | ||
34201ae3 UW |
2146 | /* If we've detected a function with stack frame, we'll still have to |
2147 | treat it as frameless if we're currently within the function epilog | |
c378eb4e | 2148 | code at a point where the frame pointer has already been restored. |
a8c99f38 | 2149 | This can only happen in an innermost frame. */ |
0e100dab AC |
2150 | /* FIXME: cagney/2004-05-01: This sanity check shouldn't be needed, |
2151 | instead the code should simpliy rely on its analysis. */ | |
edb3359d DJ |
2152 | next_frame = get_next_frame (this_frame); |
2153 | while (next_frame && get_frame_type (next_frame) == INLINE_FRAME) | |
2154 | next_frame = get_next_frame (next_frame); | |
f089c433 | 2155 | if (size > 0 |
edb3359d | 2156 | && (next_frame == NULL |
f089c433 | 2157 | || get_frame_type (get_next_frame (this_frame)) != NORMAL_FRAME)) |
5769d3cd | 2158 | { |
c9cf6e20 | 2159 | /* See the comment in s390_stack_frame_destroyed_p on why this is |
a8c99f38 | 2160 | not completely reliable ... */ |
c9cf6e20 | 2161 | if (s390_stack_frame_destroyed_p (gdbarch, get_frame_pc (this_frame))) |
5769d3cd | 2162 | { |
a8c99f38 JB |
2163 | memset (&data, 0, sizeof (data)); |
2164 | size = 0; | |
2165 | frame_pointer = S390_SP_REGNUM; | |
5769d3cd | 2166 | } |
5769d3cd | 2167 | } |
5769d3cd | 2168 | |
a8c99f38 JB |
2169 | /* Once we know the frame register and the frame size, we can unwind |
2170 | the current value of the frame register from the next frame, and | |
34201ae3 | 2171 | add back the frame size to arrive that the previous frame's |
a8c99f38 | 2172 | stack pointer value. */ |
f089c433 | 2173 | prev_sp = get_frame_register_unsigned (this_frame, frame_pointer) + size; |
121d8485 | 2174 | cfa = prev_sp + 16*word_size + 32; |
5769d3cd | 2175 | |
7803799a UW |
2176 | /* Set up ABI call-saved/call-clobbered registers. */ |
2177 | for (i = 0; i < S390_NUM_REGS; i++) | |
2178 | if (!s390_register_call_saved (gdbarch, i)) | |
2179 | trad_frame_set_unknown (info->saved_regs, i); | |
2180 | ||
2181 | /* CC is always call-clobbered. */ | |
d6db1fab | 2182 | trad_frame_set_unknown (info->saved_regs, S390_PSWM_REGNUM); |
7803799a | 2183 | |
121d8485 UW |
2184 | /* Record the addresses of all register spill slots the prologue parser |
2185 | has recognized. Consider only registers defined as call-saved by the | |
2186 | ABI; for call-clobbered registers the parser may have recognized | |
2187 | spurious stores. */ | |
5769d3cd | 2188 | |
7803799a UW |
2189 | for (i = 0; i < 16; i++) |
2190 | if (s390_register_call_saved (gdbarch, S390_R0_REGNUM + i) | |
2191 | && data.gpr_slot[i] != 0) | |
121d8485 | 2192 | info->saved_regs[S390_R0_REGNUM + i].addr = cfa - data.gpr_slot[i]; |
a8c99f38 | 2193 | |
7803799a UW |
2194 | for (i = 0; i < 16; i++) |
2195 | if (s390_register_call_saved (gdbarch, S390_F0_REGNUM + i) | |
2196 | && data.fpr_slot[i] != 0) | |
2197 | info->saved_regs[S390_F0_REGNUM + i].addr = cfa - data.fpr_slot[i]; | |
a8c99f38 JB |
2198 | |
2199 | /* Function return will set PC to %r14. */ | |
d6db1fab | 2200 | info->saved_regs[S390_PSWA_REGNUM] = info->saved_regs[S390_RETADDR_REGNUM]; |
a8c99f38 JB |
2201 | |
2202 | /* In frameless functions, we unwind simply by moving the return | |
2203 | address to the PC. However, if we actually stored to the | |
2204 | save area, use that -- we might only think the function frameless | |
2205 | because we're in the middle of the prologue ... */ | |
2206 | if (size == 0 | |
d6db1fab | 2207 | && !trad_frame_addr_p (info->saved_regs, S390_PSWA_REGNUM)) |
a8c99f38 | 2208 | { |
d6db1fab | 2209 | info->saved_regs[S390_PSWA_REGNUM].realreg = S390_RETADDR_REGNUM; |
5769d3cd | 2210 | } |
a8c99f38 JB |
2211 | |
2212 | /* Another sanity check: unless this is a frameless function, | |
2213 | we should have found spill slots for SP and PC. | |
2214 | If not, we cannot unwind further -- this happens e.g. in | |
2215 | libc's thread_start routine. */ | |
2216 | if (size > 0) | |
5769d3cd | 2217 | { |
a8c99f38 | 2218 | if (!trad_frame_addr_p (info->saved_regs, S390_SP_REGNUM) |
d6db1fab | 2219 | || !trad_frame_addr_p (info->saved_regs, S390_PSWA_REGNUM)) |
a8c99f38 | 2220 | prev_sp = -1; |
5769d3cd | 2221 | } |
a8c99f38 JB |
2222 | |
2223 | /* We use the current value of the frame register as local_base, | |
2224 | and the top of the register save area as frame_base. */ | |
2225 | if (prev_sp != -1) | |
2226 | { | |
2227 | info->frame_base = prev_sp + 16*word_size + 32; | |
2228 | info->local_base = prev_sp - size; | |
2229 | } | |
2230 | ||
a8c99f38 | 2231 | return 1; |
5769d3cd AC |
2232 | } |
2233 | ||
a78f21af | 2234 | static void |
f089c433 | 2235 | s390_backchain_frame_unwind_cache (struct frame_info *this_frame, |
a8c99f38 | 2236 | struct s390_unwind_cache *info) |
5769d3cd | 2237 | { |
f089c433 | 2238 | struct gdbarch *gdbarch = get_frame_arch (this_frame); |
a8c99f38 | 2239 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
e17a4113 | 2240 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
a8c99f38 JB |
2241 | CORE_ADDR backchain; |
2242 | ULONGEST reg; | |
f2489477 | 2243 | LONGEST sp, tmp; |
7803799a UW |
2244 | int i; |
2245 | ||
2246 | /* Set up ABI call-saved/call-clobbered registers. */ | |
2247 | for (i = 0; i < S390_NUM_REGS; i++) | |
2248 | if (!s390_register_call_saved (gdbarch, i)) | |
2249 | trad_frame_set_unknown (info->saved_regs, i); | |
2250 | ||
2251 | /* CC is always call-clobbered. */ | |
d6db1fab | 2252 | trad_frame_set_unknown (info->saved_regs, S390_PSWM_REGNUM); |
a8c99f38 JB |
2253 | |
2254 | /* Get the backchain. */ | |
f089c433 | 2255 | reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM); |
f2489477 AA |
2256 | if (!safe_read_memory_integer (reg, word_size, byte_order, &tmp)) |
2257 | tmp = 0; | |
2258 | backchain = (CORE_ADDR) tmp; | |
a8c99f38 JB |
2259 | |
2260 | /* A zero backchain terminates the frame chain. As additional | |
2261 | sanity check, let's verify that the spill slot for SP in the | |
2262 | save area pointed to by the backchain in fact links back to | |
2263 | the save area. */ | |
2264 | if (backchain != 0 | |
e17a4113 UW |
2265 | && safe_read_memory_integer (backchain + 15*word_size, |
2266 | word_size, byte_order, &sp) | |
a8c99f38 JB |
2267 | && (CORE_ADDR)sp == backchain) |
2268 | { | |
2269 | /* We don't know which registers were saved, but it will have | |
34201ae3 UW |
2270 | to be at least %r14 and %r15. This will allow us to continue |
2271 | unwinding, but other prev-frame registers may be incorrect ... */ | |
a8c99f38 JB |
2272 | info->saved_regs[S390_SP_REGNUM].addr = backchain + 15*word_size; |
2273 | info->saved_regs[S390_RETADDR_REGNUM].addr = backchain + 14*word_size; | |
2274 | ||
2275 | /* Function return will set PC to %r14. */ | |
d6db1fab | 2276 | info->saved_regs[S390_PSWA_REGNUM] |
7803799a | 2277 | = info->saved_regs[S390_RETADDR_REGNUM]; |
a8c99f38 JB |
2278 | |
2279 | /* We use the current value of the frame register as local_base, | |
34201ae3 | 2280 | and the top of the register save area as frame_base. */ |
a8c99f38 JB |
2281 | info->frame_base = backchain + 16*word_size + 32; |
2282 | info->local_base = reg; | |
2283 | } | |
2284 | ||
f089c433 | 2285 | info->func = get_frame_pc (this_frame); |
5769d3cd AC |
2286 | } |
2287 | ||
a8c99f38 | 2288 | static struct s390_unwind_cache * |
f089c433 | 2289 | s390_frame_unwind_cache (struct frame_info *this_frame, |
a8c99f38 JB |
2290 | void **this_prologue_cache) |
2291 | { | |
2292 | struct s390_unwind_cache *info; | |
62261490 | 2293 | |
a8c99f38 | 2294 | if (*this_prologue_cache) |
19ba03f4 | 2295 | return (struct s390_unwind_cache *) *this_prologue_cache; |
a8c99f38 JB |
2296 | |
2297 | info = FRAME_OBSTACK_ZALLOC (struct s390_unwind_cache); | |
2298 | *this_prologue_cache = info; | |
f089c433 | 2299 | info->saved_regs = trad_frame_alloc_saved_regs (this_frame); |
a8c99f38 JB |
2300 | info->func = -1; |
2301 | info->frame_base = -1; | |
2302 | info->local_base = -1; | |
2303 | ||
492d29ea | 2304 | TRY |
62261490 PA |
2305 | { |
2306 | /* Try to use prologue analysis to fill the unwind cache. | |
2307 | If this fails, fall back to reading the stack backchain. */ | |
2308 | if (!s390_prologue_frame_unwind_cache (this_frame, info)) | |
2309 | s390_backchain_frame_unwind_cache (this_frame, info); | |
2310 | } | |
492d29ea | 2311 | CATCH (ex, RETURN_MASK_ERROR) |
7556d4a4 PA |
2312 | { |
2313 | if (ex.error != NOT_AVAILABLE_ERROR) | |
2314 | throw_exception (ex); | |
2315 | } | |
492d29ea | 2316 | END_CATCH |
a8c99f38 JB |
2317 | |
2318 | return info; | |
2319 | } | |
5769d3cd | 2320 | |
a78f21af | 2321 | static void |
f089c433 | 2322 | s390_frame_this_id (struct frame_info *this_frame, |
a8c99f38 JB |
2323 | void **this_prologue_cache, |
2324 | struct frame_id *this_id) | |
5769d3cd | 2325 | { |
a8c99f38 | 2326 | struct s390_unwind_cache *info |
f089c433 | 2327 | = s390_frame_unwind_cache (this_frame, this_prologue_cache); |
5769d3cd | 2328 | |
a8c99f38 | 2329 | if (info->frame_base == -1) |
6d53bec8 AA |
2330 | { |
2331 | if (info->func != -1) | |
2332 | *this_id = frame_id_build_unavailable_stack (info->func); | |
2333 | return; | |
2334 | } | |
5769d3cd | 2335 | |
a8c99f38 | 2336 | *this_id = frame_id_build (info->frame_base, info->func); |
5769d3cd AC |
2337 | } |
2338 | ||
f089c433 UW |
2339 | static struct value * |
2340 | s390_frame_prev_register (struct frame_info *this_frame, | |
2341 | void **this_prologue_cache, int regnum) | |
a8c99f38 JB |
2342 | { |
2343 | struct s390_unwind_cache *info | |
f089c433 | 2344 | = s390_frame_unwind_cache (this_frame, this_prologue_cache); |
7803799a | 2345 | |
d6db1fab | 2346 | return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum); |
a8c99f38 JB |
2347 | } |
2348 | ||
2349 | static const struct frame_unwind s390_frame_unwind = { | |
2350 | NORMAL_FRAME, | |
8fbca658 | 2351 | default_frame_unwind_stop_reason, |
a8c99f38 | 2352 | s390_frame_this_id, |
f089c433 UW |
2353 | s390_frame_prev_register, |
2354 | NULL, | |
2355 | default_frame_sniffer | |
a8c99f38 JB |
2356 | }; |
2357 | ||
5769d3cd | 2358 | |
8e645ae7 AC |
2359 | /* Code stubs and their stack frames. For things like PLTs and NULL |
2360 | function calls (where there is no true frame and the return address | |
2361 | is in the RETADDR register). */ | |
a8c99f38 | 2362 | |
8e645ae7 AC |
2363 | struct s390_stub_unwind_cache |
2364 | { | |
a8c99f38 JB |
2365 | CORE_ADDR frame_base; |
2366 | struct trad_frame_saved_reg *saved_regs; | |
2367 | }; | |
2368 | ||
8e645ae7 | 2369 | static struct s390_stub_unwind_cache * |
f089c433 | 2370 | s390_stub_frame_unwind_cache (struct frame_info *this_frame, |
8e645ae7 | 2371 | void **this_prologue_cache) |
5769d3cd | 2372 | { |
f089c433 | 2373 | struct gdbarch *gdbarch = get_frame_arch (this_frame); |
a8c99f38 | 2374 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
8e645ae7 | 2375 | struct s390_stub_unwind_cache *info; |
a8c99f38 | 2376 | ULONGEST reg; |
5c3cf190 | 2377 | |
a8c99f38 | 2378 | if (*this_prologue_cache) |
19ba03f4 | 2379 | return (struct s390_stub_unwind_cache *) *this_prologue_cache; |
5c3cf190 | 2380 | |
8e645ae7 | 2381 | info = FRAME_OBSTACK_ZALLOC (struct s390_stub_unwind_cache); |
a8c99f38 | 2382 | *this_prologue_cache = info; |
f089c433 | 2383 | info->saved_regs = trad_frame_alloc_saved_regs (this_frame); |
a8c99f38 JB |
2384 | |
2385 | /* The return address is in register %r14. */ | |
d6db1fab | 2386 | info->saved_regs[S390_PSWA_REGNUM].realreg = S390_RETADDR_REGNUM; |
a8c99f38 JB |
2387 | |
2388 | /* Retrieve stack pointer and determine our frame base. */ | |
f089c433 | 2389 | reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM); |
a8c99f38 JB |
2390 | info->frame_base = reg + 16*word_size + 32; |
2391 | ||
2392 | return info; | |
5769d3cd AC |
2393 | } |
2394 | ||
a8c99f38 | 2395 | static void |
f089c433 | 2396 | s390_stub_frame_this_id (struct frame_info *this_frame, |
8e645ae7 AC |
2397 | void **this_prologue_cache, |
2398 | struct frame_id *this_id) | |
5769d3cd | 2399 | { |
8e645ae7 | 2400 | struct s390_stub_unwind_cache *info |
f089c433 UW |
2401 | = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache); |
2402 | *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame)); | |
a8c99f38 | 2403 | } |
5769d3cd | 2404 | |
f089c433 UW |
2405 | static struct value * |
2406 | s390_stub_frame_prev_register (struct frame_info *this_frame, | |
2407 | void **this_prologue_cache, int regnum) | |
8e645ae7 AC |
2408 | { |
2409 | struct s390_stub_unwind_cache *info | |
f089c433 | 2410 | = s390_stub_frame_unwind_cache (this_frame, this_prologue_cache); |
d6db1fab | 2411 | return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum); |
a8c99f38 JB |
2412 | } |
2413 | ||
f089c433 UW |
2414 | static int |
2415 | s390_stub_frame_sniffer (const struct frame_unwind *self, | |
2416 | struct frame_info *this_frame, | |
2417 | void **this_prologue_cache) | |
a8c99f38 | 2418 | { |
93d42b30 | 2419 | CORE_ADDR addr_in_block; |
8e645ae7 AC |
2420 | bfd_byte insn[S390_MAX_INSTR_SIZE]; |
2421 | ||
2422 | /* If the current PC points to non-readable memory, we assume we | |
2423 | have trapped due to an invalid function pointer call. We handle | |
2424 | the non-existing current function like a PLT stub. */ | |
f089c433 | 2425 | addr_in_block = get_frame_address_in_block (this_frame); |
3e5d3a5a | 2426 | if (in_plt_section (addr_in_block) |
f089c433 UW |
2427 | || s390_readinstruction (insn, get_frame_pc (this_frame)) < 0) |
2428 | return 1; | |
2429 | return 0; | |
a8c99f38 | 2430 | } |
5769d3cd | 2431 | |
f089c433 UW |
2432 | static const struct frame_unwind s390_stub_frame_unwind = { |
2433 | NORMAL_FRAME, | |
8fbca658 | 2434 | default_frame_unwind_stop_reason, |
f089c433 UW |
2435 | s390_stub_frame_this_id, |
2436 | s390_stub_frame_prev_register, | |
2437 | NULL, | |
2438 | s390_stub_frame_sniffer | |
2439 | }; | |
2440 | ||
5769d3cd | 2441 | |
a8c99f38 | 2442 | /* Signal trampoline stack frames. */ |
5769d3cd | 2443 | |
a8c99f38 JB |
2444 | struct s390_sigtramp_unwind_cache { |
2445 | CORE_ADDR frame_base; | |
2446 | struct trad_frame_saved_reg *saved_regs; | |
2447 | }; | |
5769d3cd | 2448 | |
a8c99f38 | 2449 | static struct s390_sigtramp_unwind_cache * |
f089c433 | 2450 | s390_sigtramp_frame_unwind_cache (struct frame_info *this_frame, |
a8c99f38 | 2451 | void **this_prologue_cache) |
5769d3cd | 2452 | { |
f089c433 | 2453 | struct gdbarch *gdbarch = get_frame_arch (this_frame); |
7803799a | 2454 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
a8c99f38 | 2455 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
e17a4113 | 2456 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
a8c99f38 JB |
2457 | struct s390_sigtramp_unwind_cache *info; |
2458 | ULONGEST this_sp, prev_sp; | |
7803799a | 2459 | CORE_ADDR next_ra, next_cfa, sigreg_ptr, sigreg_high_off; |
a8c99f38 JB |
2460 | int i; |
2461 | ||
2462 | if (*this_prologue_cache) | |
19ba03f4 | 2463 | return (struct s390_sigtramp_unwind_cache *) *this_prologue_cache; |
5769d3cd | 2464 | |
a8c99f38 JB |
2465 | info = FRAME_OBSTACK_ZALLOC (struct s390_sigtramp_unwind_cache); |
2466 | *this_prologue_cache = info; | |
f089c433 | 2467 | info->saved_regs = trad_frame_alloc_saved_regs (this_frame); |
a8c99f38 | 2468 | |
f089c433 UW |
2469 | this_sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM); |
2470 | next_ra = get_frame_pc (this_frame); | |
a8c99f38 JB |
2471 | next_cfa = this_sp + 16*word_size + 32; |
2472 | ||
2473 | /* New-style RT frame: | |
2474 | retcode + alignment (8 bytes) | |
2475 | siginfo (128 bytes) | |
c378eb4e | 2476 | ucontext (contains sigregs at offset 5 words). */ |
a8c99f38 JB |
2477 | if (next_ra == next_cfa) |
2478 | { | |
f0f63663 | 2479 | sigreg_ptr = next_cfa + 8 + 128 + align_up (5*word_size, 8); |
7803799a UW |
2480 | /* sigregs are followed by uc_sigmask (8 bytes), then by the |
2481 | upper GPR halves if present. */ | |
2482 | sigreg_high_off = 8; | |
a8c99f38 JB |
2483 | } |
2484 | ||
2485 | /* Old-style RT frame and all non-RT frames: | |
2486 | old signal mask (8 bytes) | |
c378eb4e | 2487 | pointer to sigregs. */ |
5769d3cd AC |
2488 | else |
2489 | { | |
e17a4113 UW |
2490 | sigreg_ptr = read_memory_unsigned_integer (next_cfa + 8, |
2491 | word_size, byte_order); | |
7803799a UW |
2492 | /* sigregs are followed by signo (4 bytes), then by the |
2493 | upper GPR halves if present. */ | |
2494 | sigreg_high_off = 4; | |
a8c99f38 | 2495 | } |
5769d3cd | 2496 | |
a8c99f38 | 2497 | /* The sigregs structure looks like this: |
34201ae3 UW |
2498 | long psw_mask; |
2499 | long psw_addr; | |
2500 | long gprs[16]; | |
2501 | int acrs[16]; | |
2502 | int fpc; | |
2503 | int __pad; | |
2504 | double fprs[16]; */ | |
5769d3cd | 2505 | |
7803799a UW |
2506 | /* PSW mask and address. */ |
2507 | info->saved_regs[S390_PSWM_REGNUM].addr = sigreg_ptr; | |
a8c99f38 | 2508 | sigreg_ptr += word_size; |
7803799a | 2509 | info->saved_regs[S390_PSWA_REGNUM].addr = sigreg_ptr; |
a8c99f38 JB |
2510 | sigreg_ptr += word_size; |
2511 | ||
2512 | /* Then the GPRs. */ | |
2513 | for (i = 0; i < 16; i++) | |
2514 | { | |
2515 | info->saved_regs[S390_R0_REGNUM + i].addr = sigreg_ptr; | |
2516 | sigreg_ptr += word_size; | |
2517 | } | |
2518 | ||
2519 | /* Then the ACRs. */ | |
2520 | for (i = 0; i < 16; i++) | |
2521 | { | |
2522 | info->saved_regs[S390_A0_REGNUM + i].addr = sigreg_ptr; | |
2523 | sigreg_ptr += 4; | |
5769d3cd | 2524 | } |
5769d3cd | 2525 | |
a8c99f38 JB |
2526 | /* The floating-point control word. */ |
2527 | info->saved_regs[S390_FPC_REGNUM].addr = sigreg_ptr; | |
2528 | sigreg_ptr += 8; | |
5769d3cd | 2529 | |
a8c99f38 JB |
2530 | /* And finally the FPRs. */ |
2531 | for (i = 0; i < 16; i++) | |
2532 | { | |
2533 | info->saved_regs[S390_F0_REGNUM + i].addr = sigreg_ptr; | |
2534 | sigreg_ptr += 8; | |
2535 | } | |
2536 | ||
7803799a UW |
2537 | /* If we have them, the GPR upper halves are appended at the end. */ |
2538 | sigreg_ptr += sigreg_high_off; | |
2539 | if (tdep->gpr_full_regnum != -1) | |
2540 | for (i = 0; i < 16; i++) | |
2541 | { | |
34201ae3 | 2542 | info->saved_regs[S390_R0_UPPER_REGNUM + i].addr = sigreg_ptr; |
7803799a UW |
2543 | sigreg_ptr += 4; |
2544 | } | |
2545 | ||
a8c99f38 JB |
2546 | /* Restore the previous frame's SP. */ |
2547 | prev_sp = read_memory_unsigned_integer ( | |
2548 | info->saved_regs[S390_SP_REGNUM].addr, | |
e17a4113 | 2549 | word_size, byte_order); |
5769d3cd | 2550 | |
a8c99f38 JB |
2551 | /* Determine our frame base. */ |
2552 | info->frame_base = prev_sp + 16*word_size + 32; | |
5769d3cd | 2553 | |
a8c99f38 | 2554 | return info; |
5769d3cd AC |
2555 | } |
2556 | ||
a8c99f38 | 2557 | static void |
f089c433 | 2558 | s390_sigtramp_frame_this_id (struct frame_info *this_frame, |
a8c99f38 JB |
2559 | void **this_prologue_cache, |
2560 | struct frame_id *this_id) | |
5769d3cd | 2561 | { |
a8c99f38 | 2562 | struct s390_sigtramp_unwind_cache *info |
f089c433 UW |
2563 | = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache); |
2564 | *this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame)); | |
5769d3cd AC |
2565 | } |
2566 | ||
f089c433 UW |
2567 | static struct value * |
2568 | s390_sigtramp_frame_prev_register (struct frame_info *this_frame, | |
2569 | void **this_prologue_cache, int regnum) | |
a8c99f38 JB |
2570 | { |
2571 | struct s390_sigtramp_unwind_cache *info | |
f089c433 | 2572 | = s390_sigtramp_frame_unwind_cache (this_frame, this_prologue_cache); |
d6db1fab | 2573 | return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum); |
a8c99f38 JB |
2574 | } |
2575 | ||
f089c433 UW |
2576 | static int |
2577 | s390_sigtramp_frame_sniffer (const struct frame_unwind *self, | |
2578 | struct frame_info *this_frame, | |
2579 | void **this_prologue_cache) | |
5769d3cd | 2580 | { |
f089c433 | 2581 | CORE_ADDR pc = get_frame_pc (this_frame); |
a8c99f38 | 2582 | bfd_byte sigreturn[2]; |
4c8287ac | 2583 | |
8defab1a | 2584 | if (target_read_memory (pc, sigreturn, 2)) |
f089c433 | 2585 | return 0; |
4c8287ac | 2586 | |
237b092b | 2587 | if (sigreturn[0] != op_svc) |
f089c433 | 2588 | return 0; |
5769d3cd | 2589 | |
a8c99f38 JB |
2590 | if (sigreturn[1] != 119 /* sigreturn */ |
2591 | && sigreturn[1] != 173 /* rt_sigreturn */) | |
f089c433 | 2592 | return 0; |
34201ae3 | 2593 | |
f089c433 | 2594 | return 1; |
5769d3cd AC |
2595 | } |
2596 | ||
f089c433 UW |
2597 | static const struct frame_unwind s390_sigtramp_frame_unwind = { |
2598 | SIGTRAMP_FRAME, | |
8fbca658 | 2599 | default_frame_unwind_stop_reason, |
f089c433 UW |
2600 | s390_sigtramp_frame_this_id, |
2601 | s390_sigtramp_frame_prev_register, | |
2602 | NULL, | |
2603 | s390_sigtramp_frame_sniffer | |
2604 | }; | |
2605 | ||
237b092b AA |
2606 | /* Retrieve the syscall number at a ptrace syscall-stop. Return -1 |
2607 | upon error. */ | |
2608 | ||
2609 | static LONGEST | |
2610 | s390_linux_get_syscall_number (struct gdbarch *gdbarch, | |
2611 | ptid_t ptid) | |
2612 | { | |
2613 | struct regcache *regs = get_thread_regcache (ptid); | |
2614 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2615 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
2616 | ULONGEST pc; | |
2617 | ULONGEST svc_number = -1; | |
2618 | unsigned opcode; | |
2619 | ||
2620 | /* Assume that the PC points after the 2-byte SVC instruction. We | |
2621 | don't currently support SVC via EXECUTE. */ | |
2622 | regcache_cooked_read_unsigned (regs, tdep->pc_regnum, &pc); | |
2623 | pc -= 2; | |
2624 | opcode = read_memory_unsigned_integer ((CORE_ADDR) pc, 1, byte_order); | |
2625 | if (opcode != op_svc) | |
2626 | return -1; | |
2627 | ||
2628 | svc_number = read_memory_unsigned_integer ((CORE_ADDR) pc + 1, 1, | |
2629 | byte_order); | |
2630 | if (svc_number == 0) | |
2631 | regcache_cooked_read_unsigned (regs, S390_R1_REGNUM, &svc_number); | |
2632 | ||
2633 | return svc_number; | |
2634 | } | |
2635 | ||
566c56c9 MK |
2636 | /* Process record-replay */ |
2637 | ||
2638 | static struct linux_record_tdep s390_linux_record_tdep; | |
2639 | static struct linux_record_tdep s390x_linux_record_tdep; | |
2640 | ||
2641 | /* Record all registers but PC register for process-record. */ | |
2642 | ||
2643 | static int | |
2644 | s390_all_but_pc_registers_record (struct regcache *regcache) | |
2645 | { | |
2646 | struct gdbarch *gdbarch = get_regcache_arch (regcache); | |
2647 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2648 | int i; | |
2649 | ||
2650 | for (i = 0; i < 16; i++) | |
2651 | { | |
2652 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
2653 | return -1; | |
2654 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i)) | |
2655 | return -1; | |
2656 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i)) | |
2657 | return -1; | |
2658 | if (tdep->gpr_full_regnum != -1) | |
2659 | if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) | |
2660 | return -1; | |
2661 | if (tdep->v0_full_regnum != -1) | |
2662 | { | |
2663 | if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i)) | |
2664 | return -1; | |
2665 | if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i)) | |
2666 | return -1; | |
2667 | } | |
2668 | } | |
2669 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
2670 | return -1; | |
2671 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
2672 | return -1; | |
2673 | ||
2674 | return 0; | |
2675 | } | |
2676 | ||
2677 | static enum gdb_syscall | |
2678 | s390_canonicalize_syscall (int syscall, enum s390_abi_kind abi) | |
2679 | { | |
2680 | switch (syscall) | |
2681 | { | |
2682 | /* s390 syscall numbers < 222 are mostly the same as x86, so just list | |
2683 | the exceptions. */ | |
2684 | case 0: | |
2685 | return gdb_sys_no_syscall; | |
2686 | case 7: | |
2687 | return gdb_sys_restart_syscall; | |
2688 | /* These syscalls work only on 31-bit. */ | |
2689 | case 13: /* time */ | |
2690 | case 16: /* lchown[16] */ | |
2691 | case 23: /* setuid[16] */ | |
2692 | case 24: /* getuid[16] */ | |
2693 | case 25: /* stime */ | |
2694 | case 46: /* setgid[16] */ | |
2695 | case 47: /* getgid[16] */ | |
2696 | case 49: /* seteuid[16] */ | |
2697 | case 50: /* getegid[16] */ | |
2698 | case 70: /* setreuid[16] */ | |
2699 | case 71: /* setregid[16] */ | |
2700 | case 76: /* [old_]getrlimit */ | |
2701 | case 80: /* getgroups[16] */ | |
2702 | case 81: /* setgroups[16] */ | |
2703 | case 95: /* fchown[16] */ | |
2704 | case 101: /* ioperm */ | |
2705 | case 138: /* setfsuid[16] */ | |
2706 | case 139: /* setfsgid[16] */ | |
2707 | case 140: /* _llseek */ | |
2708 | case 164: /* setresuid[16] */ | |
2709 | case 165: /* getresuid[16] */ | |
2710 | case 170: /* setresgid[16] */ | |
2711 | case 171: /* getresgid[16] */ | |
2712 | case 182: /* chown[16] */ | |
2713 | case 192: /* mmap2 */ | |
2714 | case 193: /* truncate64 */ | |
2715 | case 194: /* ftruncate64 */ | |
2716 | case 195: /* stat64 */ | |
2717 | case 196: /* lstat64 */ | |
2718 | case 197: /* fstat64 */ | |
2719 | case 221: /* fcntl64 */ | |
2720 | if (abi == ABI_LINUX_S390) | |
4d193179 | 2721 | return (enum gdb_syscall) syscall; |
566c56c9 MK |
2722 | return gdb_sys_no_syscall; |
2723 | /* These syscalls don't exist on s390. */ | |
2724 | case 17: /* break */ | |
2725 | case 18: /* oldstat */ | |
2726 | case 28: /* oldfstat */ | |
2727 | case 31: /* stty */ | |
2728 | case 32: /* gtty */ | |
2729 | case 35: /* ftime */ | |
2730 | case 44: /* prof */ | |
2731 | case 53: /* lock */ | |
2732 | case 56: /* mpx */ | |
2733 | case 58: /* ulimit */ | |
2734 | case 59: /* oldolduname */ | |
2735 | case 68: /* sgetmask */ | |
2736 | case 69: /* ssetmask */ | |
2737 | case 82: /* [old_]select */ | |
2738 | case 84: /* oldlstat */ | |
2739 | case 98: /* profil */ | |
2740 | case 109: /* olduname */ | |
2741 | case 113: /* vm86old */ | |
2742 | case 123: /* modify_ldt */ | |
2743 | case 166: /* vm86 */ | |
2744 | return gdb_sys_no_syscall; | |
2745 | case 110: | |
2746 | return gdb_sys_lookup_dcookie; | |
2747 | /* Here come the differences. */ | |
2748 | case 222: | |
2749 | return gdb_sys_readahead; | |
2750 | case 223: | |
2751 | if (abi == ABI_LINUX_S390) | |
2752 | return gdb_sys_sendfile64; | |
2753 | return gdb_sys_no_syscall; | |
2754 | /* 224-235 handled below */ | |
2755 | case 236: | |
2756 | return gdb_sys_gettid; | |
2757 | case 237: | |
2758 | return gdb_sys_tkill; | |
2759 | case 238: | |
2760 | return gdb_sys_futex; | |
2761 | case 239: | |
2762 | return gdb_sys_sched_setaffinity; | |
2763 | case 240: | |
2764 | return gdb_sys_sched_getaffinity; | |
2765 | case 241: | |
2766 | return gdb_sys_tgkill; | |
2767 | /* 242 reserved */ | |
2768 | case 243: | |
2769 | return gdb_sys_io_setup; | |
2770 | case 244: | |
2771 | return gdb_sys_io_destroy; | |
2772 | case 245: | |
2773 | return gdb_sys_io_getevents; | |
2774 | case 246: | |
2775 | return gdb_sys_io_submit; | |
2776 | case 247: | |
2777 | return gdb_sys_io_cancel; | |
2778 | case 248: | |
2779 | return gdb_sys_exit_group; | |
2780 | case 249: | |
2781 | return gdb_sys_epoll_create; | |
2782 | case 250: | |
2783 | return gdb_sys_epoll_ctl; | |
2784 | case 251: | |
2785 | return gdb_sys_epoll_wait; | |
2786 | case 252: | |
2787 | return gdb_sys_set_tid_address; | |
2788 | case 253: | |
2789 | return gdb_sys_fadvise64; | |
2790 | /* 254-262 handled below */ | |
2791 | /* 263 reserved */ | |
2792 | case 264: | |
2793 | if (abi == ABI_LINUX_S390) | |
2794 | return gdb_sys_fadvise64_64; | |
2795 | return gdb_sys_no_syscall; | |
2796 | case 265: | |
2797 | return gdb_sys_statfs64; | |
2798 | case 266: | |
2799 | return gdb_sys_fstatfs64; | |
2800 | case 267: | |
2801 | return gdb_sys_remap_file_pages; | |
2802 | /* 268-270 reserved */ | |
2803 | /* 271-277 handled below */ | |
2804 | case 278: | |
2805 | return gdb_sys_add_key; | |
2806 | case 279: | |
2807 | return gdb_sys_request_key; | |
2808 | case 280: | |
2809 | return gdb_sys_keyctl; | |
2810 | case 281: | |
2811 | return gdb_sys_waitid; | |
2812 | /* 282-312 handled below */ | |
2813 | case 293: | |
2814 | if (abi == ABI_LINUX_S390) | |
2815 | return gdb_sys_fstatat64; | |
2816 | return gdb_sys_newfstatat; | |
2817 | /* 313+ not yet supported */ | |
2818 | default: | |
4d193179 SM |
2819 | { |
2820 | int ret; | |
2821 | ||
2822 | /* Most "old" syscalls copied from i386. */ | |
2823 | if (syscall <= 221) | |
2824 | ret = syscall; | |
2825 | /* xattr syscalls. */ | |
2826 | else if (syscall >= 224 && syscall <= 235) | |
2827 | ret = syscall + 2; | |
2828 | /* timer syscalls. */ | |
2829 | else if (syscall >= 254 && syscall <= 262) | |
2830 | ret = syscall + 5; | |
2831 | /* mq_* and kexec_load */ | |
2832 | else if (syscall >= 271 && syscall <= 277) | |
2833 | ret = syscall + 6; | |
2834 | /* ioprio_set .. epoll_pwait */ | |
2835 | else if (syscall >= 282 && syscall <= 312) | |
2836 | ret = syscall + 7; | |
2837 | else | |
2838 | ret = gdb_sys_no_syscall; | |
2839 | ||
2840 | return (enum gdb_syscall) ret; | |
2841 | } | |
566c56c9 MK |
2842 | } |
2843 | } | |
2844 | ||
2845 | static int | |
2846 | s390_linux_syscall_record (struct regcache *regcache, LONGEST syscall_native) | |
2847 | { | |
2848 | struct gdbarch *gdbarch = get_regcache_arch (regcache); | |
2849 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2850 | int ret; | |
2851 | enum gdb_syscall syscall_gdb; | |
2852 | ||
2853 | /* On s390, syscall number can be passed either as immediate field of svc | |
2854 | instruction, or in %r1 (with svc 0). */ | |
2855 | if (syscall_native == 0) | |
2856 | regcache_raw_read_signed (regcache, S390_R1_REGNUM, &syscall_native); | |
2857 | ||
2858 | syscall_gdb = s390_canonicalize_syscall (syscall_native, tdep->abi); | |
2859 | ||
2860 | if (syscall_gdb < 0) | |
2861 | { | |
2862 | printf_unfiltered (_("Process record and replay target doesn't " | |
2863 | "support syscall number %s\n"), | |
2864 | plongest (syscall_native)); | |
2865 | return -1; | |
2866 | } | |
2867 | ||
2868 | if (syscall_gdb == gdb_sys_sigreturn | |
2869 | || syscall_gdb == gdb_sys_rt_sigreturn) | |
2870 | { | |
2871 | if (s390_all_but_pc_registers_record (regcache)) | |
2872 | return -1; | |
2873 | return 0; | |
2874 | } | |
2875 | ||
2876 | if (tdep->abi == ABI_LINUX_ZSERIES) | |
2877 | ret = record_linux_system_call (syscall_gdb, regcache, | |
2878 | &s390x_linux_record_tdep); | |
2879 | else | |
2880 | ret = record_linux_system_call (syscall_gdb, regcache, | |
2881 | &s390_linux_record_tdep); | |
2882 | ||
2883 | if (ret) | |
2884 | return ret; | |
2885 | ||
2886 | /* Record the return value of the system call. */ | |
2887 | if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM)) | |
2888 | return -1; | |
2889 | ||
2890 | return 0; | |
2891 | } | |
2892 | ||
2893 | static int | |
2894 | s390_linux_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, | |
2895 | enum gdb_signal signal) | |
2896 | { | |
2897 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
2898 | /* There are two kinds of signal frames on s390. rt_sigframe is always | |
2899 | the larger one, so don't even bother with sigframe. */ | |
2900 | const int sizeof_rt_sigframe = (tdep->abi == ABI_LINUX_ZSERIES ? | |
2901 | 160 + 8 + 128 + 1024 : 96 + 8 + 128 + 1000); | |
2902 | ULONGEST sp; | |
2903 | int i; | |
2904 | ||
2905 | for (i = 0; i < 16; i++) | |
2906 | { | |
2907 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
2908 | return -1; | |
2909 | if (tdep->gpr_full_regnum != -1) | |
2910 | if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) | |
2911 | return -1; | |
2912 | } | |
2913 | if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM)) | |
2914 | return -1; | |
2915 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
2916 | return -1; | |
2917 | ||
2918 | /* Record the change in the stack. | |
2919 | frame-size = sizeof (struct rt_sigframe) + SIGNAL_FRAMESIZE */ | |
2920 | regcache_raw_read_unsigned (regcache, S390_SP_REGNUM, &sp); | |
2921 | sp -= sizeof_rt_sigframe; | |
2922 | ||
2923 | if (record_full_arch_list_add_mem (sp, sizeof_rt_sigframe)) | |
2924 | return -1; | |
2925 | ||
2926 | if (record_full_arch_list_add_end ()) | |
2927 | return -1; | |
2928 | ||
2929 | return 0; | |
2930 | } | |
4c8287ac | 2931 | |
a8c99f38 JB |
2932 | /* Frame base handling. */ |
2933 | ||
2934 | static CORE_ADDR | |
f089c433 | 2935 | s390_frame_base_address (struct frame_info *this_frame, void **this_cache) |
4c8287ac | 2936 | { |
a8c99f38 | 2937 | struct s390_unwind_cache *info |
f089c433 | 2938 | = s390_frame_unwind_cache (this_frame, this_cache); |
a8c99f38 JB |
2939 | return info->frame_base; |
2940 | } | |
2941 | ||
2942 | static CORE_ADDR | |
f089c433 | 2943 | s390_local_base_address (struct frame_info *this_frame, void **this_cache) |
a8c99f38 JB |
2944 | { |
2945 | struct s390_unwind_cache *info | |
f089c433 | 2946 | = s390_frame_unwind_cache (this_frame, this_cache); |
a8c99f38 JB |
2947 | return info->local_base; |
2948 | } | |
2949 | ||
2950 | static const struct frame_base s390_frame_base = { | |
2951 | &s390_frame_unwind, | |
2952 | s390_frame_base_address, | |
2953 | s390_local_base_address, | |
2954 | s390_local_base_address | |
2955 | }; | |
2956 | ||
2957 | static CORE_ADDR | |
2958 | s390_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame) | |
2959 | { | |
7803799a | 2960 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
a8c99f38 | 2961 | ULONGEST pc; |
7803799a | 2962 | pc = frame_unwind_register_unsigned (next_frame, tdep->pc_regnum); |
a8c99f38 JB |
2963 | return gdbarch_addr_bits_remove (gdbarch, pc); |
2964 | } | |
2965 | ||
2966 | static CORE_ADDR | |
2967 | s390_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame) | |
2968 | { | |
2969 | ULONGEST sp; | |
2970 | sp = frame_unwind_register_unsigned (next_frame, S390_SP_REGNUM); | |
2971 | return gdbarch_addr_bits_remove (gdbarch, sp); | |
4c8287ac JB |
2972 | } |
2973 | ||
2974 | ||
a431654a AC |
2975 | /* DWARF-2 frame support. */ |
2976 | ||
7803799a UW |
2977 | static struct value * |
2978 | s390_dwarf2_prev_register (struct frame_info *this_frame, void **this_cache, | |
2979 | int regnum) | |
2980 | { | |
d6db1fab | 2981 | return s390_unwind_pseudo_register (this_frame, regnum); |
7803799a UW |
2982 | } |
2983 | ||
a431654a AC |
2984 | static void |
2985 | s390_dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum, | |
34201ae3 | 2986 | struct dwarf2_frame_state_reg *reg, |
4a4e5149 | 2987 | struct frame_info *this_frame) |
a431654a | 2988 | { |
d6db1fab UW |
2989 | /* The condition code (and thus PSW mask) is call-clobbered. */ |
2990 | if (regnum == S390_PSWM_REGNUM) | |
2991 | reg->how = DWARF2_FRAME_REG_UNDEFINED; | |
2992 | ||
2993 | /* The PSW address unwinds to the return address. */ | |
2994 | else if (regnum == S390_PSWA_REGNUM) | |
2995 | reg->how = DWARF2_FRAME_REG_RA; | |
2996 | ||
7803799a UW |
2997 | /* Fixed registers are call-saved or call-clobbered |
2998 | depending on the ABI in use. */ | |
d6db1fab | 2999 | else if (regnum < S390_NUM_REGS) |
a431654a | 3000 | { |
7803799a | 3001 | if (s390_register_call_saved (gdbarch, regnum)) |
a431654a | 3002 | reg->how = DWARF2_FRAME_REG_SAME_VALUE; |
7803799a | 3003 | else |
a431654a | 3004 | reg->how = DWARF2_FRAME_REG_UNDEFINED; |
7803799a | 3005 | } |
a431654a | 3006 | |
d6db1fab UW |
3007 | /* We install a special function to unwind pseudos. */ |
3008 | else | |
7803799a UW |
3009 | { |
3010 | reg->how = DWARF2_FRAME_REG_FN; | |
3011 | reg->loc.fn = s390_dwarf2_prev_register; | |
a431654a AC |
3012 | } |
3013 | } | |
3014 | ||
3015 | ||
b0cf273e JB |
3016 | /* Dummy function calls. */ |
3017 | ||
80f75320 AA |
3018 | /* Unwrap any single-field structs in TYPE and return the effective |
3019 | "inner" type. E.g., yield "float" for all these cases: | |
20a940cc | 3020 | |
80f75320 AA |
3021 | float x; |
3022 | struct { float x }; | |
3023 | struct { struct { float x; } x; }; | |
417c80f9 AA |
3024 | struct { struct { struct { float x; } x; } x; }; |
3025 | ||
3026 | However, if an inner type is smaller than MIN_SIZE, abort the | |
3027 | unwrapping. */ | |
20a940cc | 3028 | |
80f75320 | 3029 | static struct type * |
417c80f9 | 3030 | s390_effective_inner_type (struct type *type, unsigned int min_size) |
20a940cc | 3031 | { |
80f75320 AA |
3032 | while (TYPE_CODE (type) == TYPE_CODE_STRUCT |
3033 | && TYPE_NFIELDS (type) == 1) | |
417c80f9 AA |
3034 | { |
3035 | struct type *inner = check_typedef (TYPE_FIELD_TYPE (type, 0)); | |
3036 | ||
3037 | if (TYPE_LENGTH (inner) < min_size) | |
3038 | break; | |
3039 | type = inner; | |
3040 | } | |
3041 | ||
80f75320 | 3042 | return type; |
20a940cc JB |
3043 | } |
3044 | ||
80f75320 AA |
3045 | /* Return non-zero if TYPE should be passed like "float" or |
3046 | "double". */ | |
20a940cc | 3047 | |
20a940cc | 3048 | static int |
80f75320 | 3049 | s390_function_arg_float (struct type *type) |
20a940cc | 3050 | { |
80f75320 AA |
3051 | /* Note that long double as well as complex types are intentionally |
3052 | excluded. */ | |
3053 | if (TYPE_LENGTH (type) > 8) | |
3054 | return 0; | |
20a940cc | 3055 | |
80f75320 AA |
3056 | /* A struct containing just a float or double is passed like a float |
3057 | or double. */ | |
417c80f9 | 3058 | type = s390_effective_inner_type (type, 0); |
20a940cc | 3059 | |
20a940cc | 3060 | return (TYPE_CODE (type) == TYPE_CODE_FLT |
80f75320 | 3061 | || TYPE_CODE (type) == TYPE_CODE_DECFLOAT); |
20a940cc JB |
3062 | } |
3063 | ||
417c80f9 AA |
3064 | /* Return non-zero if TYPE should be passed like a vector. */ |
3065 | ||
3066 | static int | |
3067 | s390_function_arg_vector (struct type *type) | |
3068 | { | |
3069 | if (TYPE_LENGTH (type) > 16) | |
3070 | return 0; | |
3071 | ||
3072 | /* Structs containing just a vector are passed like a vector. */ | |
3073 | type = s390_effective_inner_type (type, TYPE_LENGTH (type)); | |
3074 | ||
3075 | return TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_VECTOR (type); | |
3076 | } | |
3077 | ||
6dbc9c04 | 3078 | /* Determine whether N is a power of two. */ |
20a940cc | 3079 | |
78f8b424 | 3080 | static int |
b0cf273e | 3081 | is_power_of_two (unsigned int n) |
78f8b424 | 3082 | { |
6dbc9c04 | 3083 | return n && ((n & (n - 1)) == 0); |
78f8b424 JB |
3084 | } |
3085 | ||
80f75320 | 3086 | /* For an argument whose type is TYPE and which is not passed like a |
417c80f9 AA |
3087 | float or vector, return non-zero if it should be passed like "int" |
3088 | or "long long". */ | |
4d819d0e | 3089 | |
78f8b424 | 3090 | static int |
b0cf273e | 3091 | s390_function_arg_integer (struct type *type) |
78f8b424 | 3092 | { |
80f75320 AA |
3093 | enum type_code code = TYPE_CODE (type); |
3094 | ||
354ecfd5 | 3095 | if (TYPE_LENGTH (type) > 8) |
b0cf273e | 3096 | return 0; |
78f8b424 | 3097 | |
80f75320 AA |
3098 | if (code == TYPE_CODE_INT |
3099 | || code == TYPE_CODE_ENUM | |
3100 | || code == TYPE_CODE_RANGE | |
3101 | || code == TYPE_CODE_CHAR | |
3102 | || code == TYPE_CODE_BOOL | |
3103 | || code == TYPE_CODE_PTR | |
aa006118 | 3104 | || TYPE_IS_REFERENCE (type)) |
80f75320 AA |
3105 | return 1; |
3106 | ||
3107 | return ((code == TYPE_CODE_UNION || code == TYPE_CODE_STRUCT) | |
3108 | && is_power_of_two (TYPE_LENGTH (type))); | |
78f8b424 JB |
3109 | } |
3110 | ||
80f75320 AA |
3111 | /* Argument passing state: Internal data structure passed to helper |
3112 | routines of s390_push_dummy_call. */ | |
78f8b424 | 3113 | |
80f75320 AA |
3114 | struct s390_arg_state |
3115 | { | |
3116 | /* Register cache, or NULL, if we are in "preparation mode". */ | |
3117 | struct regcache *regcache; | |
417c80f9 AA |
3118 | /* Next available general/floating-point/vector register for |
3119 | argument passing. */ | |
3120 | int gr, fr, vr; | |
80f75320 AA |
3121 | /* Current pointer to copy area (grows downwards). */ |
3122 | CORE_ADDR copy; | |
3123 | /* Current pointer to parameter area (grows upwards). */ | |
3124 | CORE_ADDR argp; | |
3125 | }; | |
78f8b424 | 3126 | |
80f75320 AA |
3127 | /* Prepare one argument ARG for a dummy call and update the argument |
3128 | passing state AS accordingly. If the regcache field in AS is set, | |
3129 | operate in "write mode" and write ARG into the inferior. Otherwise | |
3130 | run "preparation mode" and skip all updates to the inferior. */ | |
78f8b424 | 3131 | |
80f75320 AA |
3132 | static void |
3133 | s390_handle_arg (struct s390_arg_state *as, struct value *arg, | |
3134 | struct gdbarch_tdep *tdep, int word_size, | |
417c80f9 | 3135 | enum bfd_endian byte_order, int is_unnamed) |
78f8b424 | 3136 | { |
80f75320 AA |
3137 | struct type *type = check_typedef (value_type (arg)); |
3138 | unsigned int length = TYPE_LENGTH (type); | |
3139 | int write_mode = as->regcache != NULL; | |
78f8b424 | 3140 | |
80f75320 AA |
3141 | if (s390_function_arg_float (type)) |
3142 | { | |
3143 | /* The GNU/Linux for S/390 ABI uses FPRs 0 and 2 to pass | |
3144 | arguments. The GNU/Linux for zSeries ABI uses 0, 2, 4, and | |
3145 | 6. */ | |
3146 | if (as->fr <= (tdep->abi == ABI_LINUX_S390 ? 2 : 6)) | |
3147 | { | |
3148 | /* When we store a single-precision value in an FP register, | |
3149 | it occupies the leftmost bits. */ | |
3150 | if (write_mode) | |
3151 | regcache_cooked_write_part (as->regcache, | |
3152 | S390_F0_REGNUM + as->fr, | |
3153 | 0, length, | |
3154 | value_contents (arg)); | |
3155 | as->fr += 2; | |
3156 | } | |
3157 | else | |
3158 | { | |
3159 | /* When we store a single-precision value in a stack slot, | |
3160 | it occupies the rightmost bits. */ | |
3161 | as->argp = align_up (as->argp + length, word_size); | |
3162 | if (write_mode) | |
3163 | write_memory (as->argp - length, value_contents (arg), | |
3164 | length); | |
3165 | } | |
3166 | } | |
417c80f9 AA |
3167 | else if (tdep->vector_abi == S390_VECTOR_ABI_128 |
3168 | && s390_function_arg_vector (type)) | |
3169 | { | |
3170 | static const char use_vr[] = {24, 26, 28, 30, 25, 27, 29, 31}; | |
3171 | ||
3172 | if (!is_unnamed && as->vr < ARRAY_SIZE (use_vr)) | |
3173 | { | |
3174 | int regnum = S390_V24_REGNUM + use_vr[as->vr] - 24; | |
3175 | ||
3176 | if (write_mode) | |
3177 | regcache_cooked_write_part (as->regcache, regnum, | |
3178 | 0, length, | |
3179 | value_contents (arg)); | |
3180 | as->vr++; | |
3181 | } | |
3182 | else | |
3183 | { | |
3184 | if (write_mode) | |
3185 | write_memory (as->argp, value_contents (arg), length); | |
3186 | as->argp = align_up (as->argp + length, word_size); | |
3187 | } | |
3188 | } | |
80f75320 | 3189 | else if (s390_function_arg_integer (type) && length <= word_size) |
78f8b424 | 3190 | { |
decf8d9a JK |
3191 | /* Initialize it just to avoid a GCC false warning. */ |
3192 | ULONGEST val = 0; | |
78f8b424 | 3193 | |
80f75320 | 3194 | if (write_mode) |
34201ae3 | 3195 | { |
80f75320 AA |
3196 | /* Place value in least significant bits of the register or |
3197 | memory word and sign- or zero-extend to full word size. | |
3198 | This also applies to a struct or union. */ | |
3199 | val = TYPE_UNSIGNED (type) | |
3200 | ? extract_unsigned_integer (value_contents (arg), | |
3201 | length, byte_order) | |
3202 | : extract_signed_integer (value_contents (arg), | |
3203 | length, byte_order); | |
3204 | } | |
78f8b424 | 3205 | |
80f75320 AA |
3206 | if (as->gr <= 6) |
3207 | { | |
3208 | if (write_mode) | |
3209 | regcache_cooked_write_unsigned (as->regcache, | |
3210 | S390_R0_REGNUM + as->gr, | |
3211 | val); | |
3212 | as->gr++; | |
3213 | } | |
3214 | else | |
3215 | { | |
3216 | if (write_mode) | |
3217 | write_memory_unsigned_integer (as->argp, word_size, | |
3218 | byte_order, val); | |
3219 | as->argp += word_size; | |
34201ae3 | 3220 | } |
78f8b424 | 3221 | } |
80f75320 AA |
3222 | else if (s390_function_arg_integer (type) && length == 8) |
3223 | { | |
3224 | if (as->gr <= 5) | |
3225 | { | |
3226 | if (write_mode) | |
3227 | { | |
3228 | regcache_cooked_write (as->regcache, | |
3229 | S390_R0_REGNUM + as->gr, | |
3230 | value_contents (arg)); | |
3231 | regcache_cooked_write (as->regcache, | |
3232 | S390_R0_REGNUM + as->gr + 1, | |
3233 | value_contents (arg) + word_size); | |
3234 | } | |
3235 | as->gr += 2; | |
3236 | } | |
3237 | else | |
3238 | { | |
3239 | /* If we skipped r6 because we couldn't fit a DOUBLE_ARG | |
3240 | in it, then don't go back and use it again later. */ | |
3241 | as->gr = 7; | |
78f8b424 | 3242 | |
80f75320 AA |
3243 | if (write_mode) |
3244 | write_memory (as->argp, value_contents (arg), length); | |
3245 | as->argp += length; | |
3246 | } | |
3247 | } | |
3248 | else | |
3249 | { | |
3250 | /* This argument type is never passed in registers. Place the | |
3251 | value in the copy area and pass a pointer to it. Use 8-byte | |
3252 | alignment as a conservative assumption. */ | |
3253 | as->copy = align_down (as->copy - length, 8); | |
3254 | if (write_mode) | |
3255 | write_memory (as->copy, value_contents (arg), length); | |
3256 | ||
3257 | if (as->gr <= 6) | |
3258 | { | |
3259 | if (write_mode) | |
3260 | regcache_cooked_write_unsigned (as->regcache, | |
3261 | S390_R0_REGNUM + as->gr, | |
3262 | as->copy); | |
3263 | as->gr++; | |
3264 | } | |
3265 | else | |
3266 | { | |
3267 | if (write_mode) | |
3268 | write_memory_unsigned_integer (as->argp, word_size, | |
3269 | byte_order, as->copy); | |
3270 | as->argp += word_size; | |
3271 | } | |
3272 | } | |
78f8b424 JB |
3273 | } |
3274 | ||
78f8b424 | 3275 | /* Put the actual parameter values pointed to by ARGS[0..NARGS-1] in |
ca557f44 AC |
3276 | place to be passed to a function, as specified by the "GNU/Linux |
3277 | for S/390 ELF Application Binary Interface Supplement". | |
78f8b424 JB |
3278 | |
3279 | SP is the current stack pointer. We must put arguments, links, | |
3280 | padding, etc. whereever they belong, and return the new stack | |
3281 | pointer value. | |
34201ae3 | 3282 | |
78f8b424 JB |
3283 | If STRUCT_RETURN is non-zero, then the function we're calling is |
3284 | going to return a structure by value; STRUCT_ADDR is the address of | |
3285 | a block we've allocated for it on the stack. | |
3286 | ||
3287 | Our caller has taken care of any type promotions needed to satisfy | |
3288 | prototypes or the old K&R argument-passing rules. */ | |
80f75320 | 3289 | |
a78f21af | 3290 | static CORE_ADDR |
7d9b040b | 3291 | s390_push_dummy_call (struct gdbarch *gdbarch, struct value *function, |
b0cf273e JB |
3292 | struct regcache *regcache, CORE_ADDR bp_addr, |
3293 | int nargs, struct value **args, CORE_ADDR sp, | |
3294 | int struct_return, CORE_ADDR struct_addr) | |
5769d3cd | 3295 | { |
b0cf273e JB |
3296 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
3297 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; | |
e17a4113 | 3298 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
78f8b424 | 3299 | int i; |
80f75320 AA |
3300 | struct s390_arg_state arg_state, arg_prep; |
3301 | CORE_ADDR param_area_start, new_sp; | |
417c80f9 AA |
3302 | struct type *ftype = check_typedef (value_type (function)); |
3303 | ||
3304 | if (TYPE_CODE (ftype) == TYPE_CODE_PTR) | |
3305 | ftype = check_typedef (TYPE_TARGET_TYPE (ftype)); | |
5769d3cd | 3306 | |
80f75320 AA |
3307 | arg_prep.copy = sp; |
3308 | arg_prep.gr = struct_return ? 3 : 2; | |
3309 | arg_prep.fr = 0; | |
417c80f9 | 3310 | arg_prep.vr = 0; |
80f75320 AA |
3311 | arg_prep.argp = 0; |
3312 | arg_prep.regcache = NULL; | |
5769d3cd | 3313 | |
80f75320 AA |
3314 | /* Initialize arg_state for "preparation mode". */ |
3315 | arg_state = arg_prep; | |
5769d3cd | 3316 | |
80f75320 AA |
3317 | /* Update arg_state.copy with the start of the reference-to-copy area |
3318 | and arg_state.argp with the size of the parameter area. */ | |
3319 | for (i = 0; i < nargs; i++) | |
417c80f9 AA |
3320 | s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order, |
3321 | TYPE_VARARGS (ftype) && i >= TYPE_NFIELDS (ftype)); | |
78f8b424 | 3322 | |
80f75320 | 3323 | param_area_start = align_down (arg_state.copy - arg_state.argp, 8); |
78f8b424 | 3324 | |
c0cc4c83 | 3325 | /* Allocate the standard frame areas: the register save area, the |
80f75320 AA |
3326 | word reserved for the compiler, and the back chain pointer. */ |
3327 | new_sp = param_area_start - (16 * word_size + 32); | |
3328 | ||
3329 | /* Now we have the final stack pointer. Make sure we didn't | |
3330 | underflow; on 31-bit, this would result in addresses with the | |
3331 | high bit set, which causes confusion elsewhere. Note that if we | |
3332 | error out here, stack and registers remain untouched. */ | |
3333 | if (gdbarch_addr_bits_remove (gdbarch, new_sp) != new_sp) | |
c0cc4c83 UW |
3334 | error (_("Stack overflow")); |
3335 | ||
80f75320 AA |
3336 | /* Pass the structure return address in general register 2. */ |
3337 | if (struct_return) | |
3338 | regcache_cooked_write_unsigned (regcache, S390_R2_REGNUM, struct_addr); | |
c0cc4c83 | 3339 | |
80f75320 AA |
3340 | /* Initialize arg_state for "write mode". */ |
3341 | arg_state = arg_prep; | |
3342 | arg_state.argp = param_area_start; | |
3343 | arg_state.regcache = regcache; | |
78f8b424 | 3344 | |
80f75320 AA |
3345 | /* Write all parameters. */ |
3346 | for (i = 0; i < nargs; i++) | |
417c80f9 AA |
3347 | s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order, |
3348 | TYPE_VARARGS (ftype) && i >= TYPE_NFIELDS (ftype)); | |
78f8b424 | 3349 | |
8de7d199 UW |
3350 | /* Store return PSWA. In 31-bit mode, keep addressing mode bit. */ |
3351 | if (word_size == 4) | |
3352 | { | |
3353 | ULONGEST pswa; | |
3354 | regcache_cooked_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa); | |
3355 | bp_addr = (bp_addr & 0x7fffffff) | (pswa & 0x80000000); | |
3356 | } | |
b0cf273e | 3357 | regcache_cooked_write_unsigned (regcache, S390_RETADDR_REGNUM, bp_addr); |
8de7d199 | 3358 | |
b0cf273e | 3359 | /* Store updated stack pointer. */ |
80f75320 | 3360 | regcache_cooked_write_unsigned (regcache, S390_SP_REGNUM, new_sp); |
78f8b424 | 3361 | |
a8c99f38 | 3362 | /* We need to return the 'stack part' of the frame ID, |
121d8485 | 3363 | which is actually the top of the register save area. */ |
80f75320 | 3364 | return param_area_start; |
5769d3cd AC |
3365 | } |
3366 | ||
f089c433 | 3367 | /* Assuming THIS_FRAME is a dummy, return the frame ID of that |
b0cf273e JB |
3368 | dummy frame. The frame ID's base needs to match the TOS value |
3369 | returned by push_dummy_call, and the PC match the dummy frame's | |
3370 | breakpoint. */ | |
3371 | static struct frame_id | |
f089c433 | 3372 | s390_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame) |
b0cf273e | 3373 | { |
a8c99f38 | 3374 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; |
f089c433 UW |
3375 | CORE_ADDR sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM); |
3376 | sp = gdbarch_addr_bits_remove (gdbarch, sp); | |
a8c99f38 | 3377 | |
121d8485 | 3378 | return frame_id_build (sp + 16*word_size + 32, |
34201ae3 | 3379 | get_frame_pc (this_frame)); |
b0cf273e | 3380 | } |
c8f9d51c | 3381 | |
4074e13c JB |
3382 | static CORE_ADDR |
3383 | s390_frame_align (struct gdbarch *gdbarch, CORE_ADDR addr) | |
3384 | { | |
3385 | /* Both the 32- and 64-bit ABI's say that the stack pointer should | |
3386 | always be aligned on an eight-byte boundary. */ | |
3387 | return (addr & -8); | |
3388 | } | |
3389 | ||
3390 | ||
4e65a17e AA |
3391 | /* Helper for s390_return_value: Set or retrieve a function return |
3392 | value if it resides in a register. */ | |
b0cf273e | 3393 | |
4e65a17e AA |
3394 | static void |
3395 | s390_register_return_value (struct gdbarch *gdbarch, struct type *type, | |
3396 | struct regcache *regcache, | |
3397 | gdb_byte *out, const gdb_byte *in) | |
c8f9d51c | 3398 | { |
4e65a17e AA |
3399 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
3400 | int word_size = gdbarch_ptr_bit (gdbarch) / 8; | |
3401 | int length = TYPE_LENGTH (type); | |
3402 | int code = TYPE_CODE (type); | |
b0cf273e | 3403 | |
4e65a17e | 3404 | if (code == TYPE_CODE_FLT || code == TYPE_CODE_DECFLOAT) |
b0cf273e | 3405 | { |
4e65a17e AA |
3406 | /* Float-like value: left-aligned in f0. */ |
3407 | if (in != NULL) | |
3408 | regcache_cooked_write_part (regcache, S390_F0_REGNUM, | |
3409 | 0, length, in); | |
3410 | else | |
3411 | regcache_cooked_read_part (regcache, S390_F0_REGNUM, | |
3412 | 0, length, out); | |
3413 | } | |
417c80f9 AA |
3414 | else if (code == TYPE_CODE_ARRAY) |
3415 | { | |
3416 | /* Vector: left-aligned in v24. */ | |
3417 | if (in != NULL) | |
3418 | regcache_cooked_write_part (regcache, S390_V24_REGNUM, | |
3419 | 0, length, in); | |
3420 | else | |
3421 | regcache_cooked_read_part (regcache, S390_V24_REGNUM, | |
3422 | 0, length, out); | |
3423 | } | |
4e65a17e AA |
3424 | else if (length <= word_size) |
3425 | { | |
3426 | /* Integer: zero- or sign-extended in r2. */ | |
3427 | if (out != NULL) | |
3428 | regcache_cooked_read_part (regcache, S390_R2_REGNUM, | |
3429 | word_size - length, length, out); | |
3430 | else if (TYPE_UNSIGNED (type)) | |
3431 | regcache_cooked_write_unsigned | |
3432 | (regcache, S390_R2_REGNUM, | |
3433 | extract_unsigned_integer (in, length, byte_order)); | |
3434 | else | |
3435 | regcache_cooked_write_signed | |
3436 | (regcache, S390_R2_REGNUM, | |
3437 | extract_signed_integer (in, length, byte_order)); | |
b0cf273e | 3438 | } |
4e65a17e AA |
3439 | else if (length == 2 * word_size) |
3440 | { | |
3441 | /* Double word: in r2 and r3. */ | |
3442 | if (in != NULL) | |
3443 | { | |
3444 | regcache_cooked_write (regcache, S390_R2_REGNUM, in); | |
3445 | regcache_cooked_write (regcache, S390_R3_REGNUM, | |
3446 | in + word_size); | |
3447 | } | |
3448 | else | |
3449 | { | |
3450 | regcache_cooked_read (regcache, S390_R2_REGNUM, out); | |
3451 | regcache_cooked_read (regcache, S390_R3_REGNUM, | |
3452 | out + word_size); | |
3453 | } | |
3454 | } | |
3455 | else | |
3456 | internal_error (__FILE__, __LINE__, _("invalid return type")); | |
c8f9d51c JB |
3457 | } |
3458 | ||
4e65a17e AA |
3459 | |
3460 | /* Implement the 'return_value' gdbarch method. */ | |
3461 | ||
b0cf273e | 3462 | static enum return_value_convention |
6a3a010b | 3463 | s390_return_value (struct gdbarch *gdbarch, struct value *function, |
c055b101 CV |
3464 | struct type *type, struct regcache *regcache, |
3465 | gdb_byte *out, const gdb_byte *in) | |
5769d3cd | 3466 | { |
56b9d9ac | 3467 | enum return_value_convention rvc; |
56b9d9ac UW |
3468 | |
3469 | type = check_typedef (type); | |
56b9d9ac | 3470 | |
4e65a17e | 3471 | switch (TYPE_CODE (type)) |
b0cf273e | 3472 | { |
4e65a17e AA |
3473 | case TYPE_CODE_STRUCT: |
3474 | case TYPE_CODE_UNION: | |
4e65a17e AA |
3475 | case TYPE_CODE_COMPLEX: |
3476 | rvc = RETURN_VALUE_STRUCT_CONVENTION; | |
3477 | break; | |
417c80f9 AA |
3478 | case TYPE_CODE_ARRAY: |
3479 | rvc = (gdbarch_tdep (gdbarch)->vector_abi == S390_VECTOR_ABI_128 | |
3480 | && TYPE_LENGTH (type) <= 16 && TYPE_VECTOR (type)) | |
3481 | ? RETURN_VALUE_REGISTER_CONVENTION | |
3482 | : RETURN_VALUE_STRUCT_CONVENTION; | |
3483 | break; | |
4e65a17e AA |
3484 | default: |
3485 | rvc = TYPE_LENGTH (type) <= 8 | |
3486 | ? RETURN_VALUE_REGISTER_CONVENTION | |
3487 | : RETURN_VALUE_STRUCT_CONVENTION; | |
b0cf273e | 3488 | } |
5769d3cd | 3489 | |
4e65a17e AA |
3490 | if (in != NULL || out != NULL) |
3491 | { | |
3492 | if (rvc == RETURN_VALUE_REGISTER_CONVENTION) | |
3493 | s390_register_return_value (gdbarch, type, regcache, out, in); | |
3494 | else if (in != NULL) | |
3495 | error (_("Cannot set function return value.")); | |
3496 | else | |
3497 | error (_("Function return value unknown.")); | |
b0cf273e JB |
3498 | } |
3499 | ||
3500 | return rvc; | |
3501 | } | |
5769d3cd AC |
3502 | |
3503 | ||
a8c99f38 | 3504 | /* Breakpoints. */ |
04180708 | 3505 | constexpr gdb_byte s390_break_insn[] = { 0x0, 0x1 }; |
a8c99f38 | 3506 | |
04180708 | 3507 | typedef BP_MANIPULATION (s390_break_insn) s390_breakpoint; |
5769d3cd | 3508 | |
a8c99f38 | 3509 | /* Address handling. */ |
5769d3cd AC |
3510 | |
3511 | static CORE_ADDR | |
24568a2c | 3512 | s390_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr) |
5769d3cd | 3513 | { |
a8c99f38 | 3514 | return addr & 0x7fffffff; |
5769d3cd AC |
3515 | } |
3516 | ||
ffc65945 KB |
3517 | static int |
3518 | s390_address_class_type_flags (int byte_size, int dwarf2_addr_class) | |
3519 | { | |
3520 | if (byte_size == 4) | |
119ac181 | 3521 | return TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1; |
ffc65945 KB |
3522 | else |
3523 | return 0; | |
3524 | } | |
3525 | ||
3526 | static const char * | |
3527 | s390_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags) | |
3528 | { | |
119ac181 | 3529 | if (type_flags & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1) |
ffc65945 KB |
3530 | return "mode32"; |
3531 | else | |
3532 | return NULL; | |
3533 | } | |
3534 | ||
a78f21af | 3535 | static int |
c378eb4e MS |
3536 | s390_address_class_name_to_type_flags (struct gdbarch *gdbarch, |
3537 | const char *name, | |
ffc65945 KB |
3538 | int *type_flags_ptr) |
3539 | { | |
3540 | if (strcmp (name, "mode32") == 0) | |
3541 | { | |
119ac181 | 3542 | *type_flags_ptr = TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1; |
ffc65945 KB |
3543 | return 1; |
3544 | } | |
3545 | else | |
3546 | return 0; | |
3547 | } | |
3548 | ||
60abeae4 AA |
3549 | /* Implement gdbarch_gcc_target_options. GCC does not know "-m32" or |
3550 | "-mcmodel=large". */ | |
a2658feb JK |
3551 | |
3552 | static char * | |
3553 | s390_gcc_target_options (struct gdbarch *gdbarch) | |
3554 | { | |
60abeae4 AA |
3555 | return xstrdup (gdbarch_ptr_bit (gdbarch) == 64 ? "-m64" : "-m31"); |
3556 | } | |
3557 | ||
3558 | /* Implement gdbarch_gnu_triplet_regexp. Target triplets are "s390-*" | |
3559 | for 31-bit and "s390x-*" for 64-bit, while the BFD arch name is | |
3560 | always "s390". Note that an s390x compiler supports "-m31" as | |
3561 | well. */ | |
3562 | ||
3563 | static const char * | |
3564 | s390_gnu_triplet_regexp (struct gdbarch *gdbarch) | |
3565 | { | |
3566 | return "s390x?"; | |
a2658feb JK |
3567 | } |
3568 | ||
55aa24fb SDJ |
3569 | /* Implementation of `gdbarch_stap_is_single_operand', as defined in |
3570 | gdbarch.h. */ | |
3571 | ||
3572 | static int | |
3573 | s390_stap_is_single_operand (struct gdbarch *gdbarch, const char *s) | |
3574 | { | |
3575 | return ((isdigit (*s) && s[1] == '(' && s[2] == '%') /* Displacement | |
3576 | or indirection. */ | |
3577 | || *s == '%' /* Register access. */ | |
3578 | || isdigit (*s)); /* Literal number. */ | |
3579 | } | |
3580 | ||
566c56c9 MK |
3581 | /* Process record and replay helpers. */ |
3582 | ||
3583 | /* Takes the intermediate sum of address calculations and masks off upper | |
3584 | bits according to current addressing mode. */ | |
3585 | ||
3586 | static CORE_ADDR | |
3587 | s390_record_address_mask (struct gdbarch *gdbarch, struct regcache *regcache, | |
3588 | CORE_ADDR val) { | |
3589 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
3590 | ULONGEST pswm, pswa; | |
3591 | int am; | |
3592 | if (tdep->abi == ABI_LINUX_S390) | |
3593 | { | |
3594 | regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa); | |
3595 | am = pswa >> 31 & 1; | |
3596 | } | |
3597 | else | |
3598 | { | |
3599 | regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &pswm); | |
3600 | am = pswm >> 31 & 3; | |
3601 | } | |
3602 | switch (am) | |
3603 | { | |
3604 | case 0: | |
3605 | return val & 0xffffff; | |
3606 | case 1: | |
3607 | return val & 0x7fffffff; | |
3608 | case 3: | |
3609 | return val; | |
3610 | default: | |
3611 | fprintf_unfiltered (gdb_stdlog, "Warning: Addressing mode %d used.", am); | |
3612 | return 0; | |
3613 | } | |
3614 | } | |
3615 | ||
3616 | /* Calculates memory address using pre-calculated index, raw instruction word | |
3617 | with b and d/dl fields, and raw instruction byte with dh field. Index and | |
3618 | dh should be set to 0 if unused. */ | |
3619 | ||
3620 | static CORE_ADDR | |
3621 | s390_record_calc_disp_common (struct gdbarch *gdbarch, struct regcache *regcache, | |
3622 | ULONGEST x, uint16_t bd, int8_t dh) | |
3623 | { | |
3624 | uint8_t rb = bd >> 12 & 0xf; | |
3625 | int32_t d = (bd & 0xfff) | ((int32_t)dh << 12); | |
3626 | ULONGEST b; | |
3627 | CORE_ADDR res = d + x; | |
3628 | if (rb) | |
3629 | { | |
3630 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rb, &b); | |
3631 | res += b; | |
3632 | } | |
3633 | return s390_record_address_mask (gdbarch, regcache, res); | |
3634 | } | |
3635 | ||
3636 | /* Calculates memory address using raw x, b + d/dl, dh fields from | |
3637 | instruction. rx and dh should be set to 0 if unused. */ | |
3638 | ||
3639 | static CORE_ADDR | |
3640 | s390_record_calc_disp (struct gdbarch *gdbarch, struct regcache *regcache, | |
3641 | uint8_t rx, uint16_t bd, int8_t dh) | |
3642 | { | |
3643 | ULONGEST x = 0; | |
3644 | if (rx) | |
3645 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rx, &x); | |
3646 | return s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh); | |
3647 | } | |
3648 | ||
3649 | /* Calculates memory address for VSCE[GF] instructions. */ | |
3650 | ||
3651 | static int | |
3652 | s390_record_calc_disp_vsce (struct gdbarch *gdbarch, struct regcache *regcache, | |
3653 | uint8_t vx, uint8_t el, uint8_t es, uint16_t bd, | |
3654 | int8_t dh, CORE_ADDR *res) | |
3655 | { | |
3656 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
3657 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
3658 | ULONGEST x; | |
3659 | gdb_byte buf[16]; | |
3660 | if (tdep->v0_full_regnum == -1 || el * es >= 16) | |
3661 | return -1; | |
3662 | if (vx < 16) | |
3663 | regcache_cooked_read (regcache, tdep->v0_full_regnum + vx, buf); | |
3664 | else | |
3665 | regcache_raw_read (regcache, S390_V16_REGNUM + vx - 16, buf); | |
3666 | x = extract_unsigned_integer (buf + el * es, es, byte_order); | |
3667 | *res = s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh); | |
3668 | return 0; | |
3669 | } | |
3670 | ||
3671 | /* Calculates memory address for instructions with relative long addressing. */ | |
3672 | ||
3673 | static CORE_ADDR | |
3674 | s390_record_calc_rl (struct gdbarch *gdbarch, struct regcache *regcache, | |
3675 | CORE_ADDR addr, uint16_t i1, uint16_t i2) | |
3676 | { | |
3677 | int32_t ri = i1 << 16 | i2; | |
3678 | return s390_record_address_mask (gdbarch, regcache, addr + (LONGEST)ri * 2); | |
3679 | } | |
3680 | ||
3681 | /* Population count helper. */ | |
3682 | ||
3683 | static int s390_popcnt (unsigned int x) { | |
3684 | int res = 0; | |
3685 | while (x) | |
3686 | { | |
3687 | if (x & 1) | |
3688 | res++; | |
3689 | x >>= 1; | |
3690 | } | |
3691 | return res; | |
3692 | } | |
3693 | ||
3694 | /* Record 64-bit register. */ | |
3695 | ||
3696 | static int | |
3697 | s390_record_gpr_g (struct gdbarch *gdbarch, struct regcache *regcache, int i) | |
3698 | { | |
3699 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
3700 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
3701 | return -1; | |
3702 | if (tdep->abi == ABI_LINUX_S390) | |
3703 | if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) | |
3704 | return -1; | |
3705 | return 0; | |
3706 | } | |
3707 | ||
3708 | /* Record high 32 bits of a register. */ | |
3709 | ||
3710 | static int | |
3711 | s390_record_gpr_h (struct gdbarch *gdbarch, struct regcache *regcache, int i) | |
3712 | { | |
3713 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
3714 | if (tdep->abi == ABI_LINUX_S390) | |
3715 | { | |
3716 | if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i)) | |
3717 | return -1; | |
3718 | } | |
3719 | else | |
3720 | { | |
3721 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
3722 | return -1; | |
3723 | } | |
3724 | return 0; | |
3725 | } | |
3726 | ||
3727 | /* Record vector register. */ | |
3728 | ||
3729 | static int | |
3730 | s390_record_vr (struct gdbarch *gdbarch, struct regcache *regcache, int i) | |
3731 | { | |
566c56c9 MK |
3732 | if (i < 16) |
3733 | { | |
3734 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i)) | |
3735 | return -1; | |
3736 | if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i)) | |
3737 | return -1; | |
3738 | } | |
3739 | else | |
3740 | { | |
3741 | if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i - 16)) | |
3742 | return -1; | |
3743 | } | |
3744 | return 0; | |
3745 | } | |
3746 | ||
3747 | static int | |
3748 | s390_process_record (struct gdbarch *gdbarch, struct regcache *regcache, | |
3749 | CORE_ADDR addr) | |
3750 | { | |
566c56c9 MK |
3751 | uint16_t insn[3] = {0}; |
3752 | /* Instruction as bytes. */ | |
3753 | uint8_t ibyte[6]; | |
3754 | /* Instruction as nibbles. */ | |
3755 | uint8_t inib[12]; | |
3756 | /* Instruction vector registers. */ | |
3757 | uint8_t ivec[4]; | |
3758 | CORE_ADDR oaddr, oaddr2, oaddr3; | |
3759 | ULONGEST tmp; | |
3760 | int i, n; | |
3761 | /* if EX/EXRL instruction used, here's the reg parameter */ | |
3762 | int ex = -1; | |
3763 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
3764 | ||
3765 | /* Attempting to use EX or EXRL jumps back here */ | |
3766 | ex: | |
3767 | ||
3768 | /* Read instruction. */ | |
3769 | insn[0] = read_memory_unsigned_integer (addr, 2, byte_order); | |
3770 | /* If execute was involved, do the adjustment. */ | |
3771 | if (ex != -1) | |
3772 | insn[0] |= ex & 0xff; | |
3773 | /* Two highest bits determine instruction size. */ | |
3774 | if (insn[0] >= 0x4000) | |
3775 | insn[1] = read_memory_unsigned_integer (addr+2, 2, byte_order); | |
3776 | else | |
3777 | /* Not necessary, but avoids uninitialized variable warnings. */ | |
3778 | insn[1] = 0; | |
3779 | if (insn[0] >= 0xc000) | |
3780 | insn[2] = read_memory_unsigned_integer (addr+4, 2, byte_order); | |
3781 | else | |
3782 | insn[2] = 0; | |
3783 | /* Split instruction into bytes and nibbles. */ | |
3784 | for (i = 0; i < 3; i++) | |
3785 | { | |
3786 | ibyte[i*2] = insn[i] >> 8 & 0xff; | |
3787 | ibyte[i*2+1] = insn[i] & 0xff; | |
3788 | } | |
3789 | for (i = 0; i < 6; i++) | |
3790 | { | |
3791 | inib[i*2] = ibyte[i] >> 4 & 0xf; | |
3792 | inib[i*2+1] = ibyte[i] & 0xf; | |
3793 | } | |
3794 | /* Compute vector registers, if applicable. */ | |
3795 | ivec[0] = (inib[9] >> 3 & 1) << 4 | inib[2]; | |
3796 | ivec[1] = (inib[9] >> 2 & 1) << 4 | inib[3]; | |
3797 | ivec[2] = (inib[9] >> 1 & 1) << 4 | inib[4]; | |
3798 | ivec[3] = (inib[9] >> 0 & 1) << 4 | inib[8]; | |
3799 | ||
3800 | switch (ibyte[0]) | |
3801 | { | |
3802 | /* 0x00 undefined */ | |
3803 | ||
3804 | case 0x01: | |
3805 | /* E-format instruction */ | |
3806 | switch (ibyte[1]) | |
3807 | { | |
3808 | /* 0x00 undefined */ | |
3809 | /* 0x01 unsupported: PR - program return */ | |
3810 | /* 0x02 unsupported: UPT */ | |
3811 | /* 0x03 undefined */ | |
3812 | /* 0x04 privileged: PTFF - perform timing facility function */ | |
3813 | /* 0x05-0x06 undefined */ | |
3814 | /* 0x07 privileged: SCKPF - set clock programmable field */ | |
3815 | /* 0x08-0x09 undefined */ | |
3816 | ||
3817 | case 0x0a: /* PFPO - perform floating point operation */ | |
3818 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
3819 | if (!(tmp & 0x80000000u)) | |
3820 | { | |
3821 | uint8_t ofc = tmp >> 16 & 0xff; | |
3822 | switch (ofc) | |
3823 | { | |
3824 | case 0x00: /* HFP32 */ | |
3825 | case 0x01: /* HFP64 */ | |
3826 | case 0x05: /* BFP32 */ | |
3827 | case 0x06: /* BFP64 */ | |
3828 | case 0x08: /* DFP32 */ | |
3829 | case 0x09: /* DFP64 */ | |
3830 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM)) | |
3831 | return -1; | |
3832 | break; | |
3833 | case 0x02: /* HFP128 */ | |
3834 | case 0x07: /* BFP128 */ | |
3835 | case 0x0a: /* DFP128 */ | |
3836 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM)) | |
3837 | return -1; | |
3838 | if (record_full_arch_list_add_reg (regcache, S390_F2_REGNUM)) | |
3839 | return -1; | |
3840 | break; | |
3841 | default: | |
3842 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PFPO OFC %02x at %s.\n", | |
3843 | ofc, paddress (gdbarch, addr)); | |
3844 | return -1; | |
3845 | } | |
3846 | ||
3847 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
3848 | return -1; | |
3849 | } | |
3850 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) | |
3851 | return -1; | |
3852 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3853 | return -1; | |
3854 | break; | |
3855 | ||
3856 | case 0x0b: /* TAM - test address mode */ | |
3857 | case 0x0c: /* SAM24 - set address mode 24 */ | |
3858 | case 0x0d: /* SAM31 - set address mode 31 */ | |
3859 | case 0x0e: /* SAM64 - set address mode 64 */ | |
3860 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3861 | return -1; | |
3862 | break; | |
3863 | ||
3864 | /* 0x0f-0xfe undefined */ | |
3865 | ||
3866 | /* 0xff unsupported: TRAP */ | |
3867 | ||
3868 | default: | |
3869 | goto UNKNOWN_OP; | |
3870 | } | |
3871 | break; | |
3872 | ||
3873 | /* 0x02 undefined */ | |
3874 | /* 0x03 undefined */ | |
3875 | ||
3876 | case 0x04: /* SPM - set program mask */ | |
3877 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3878 | return -1; | |
3879 | break; | |
3880 | ||
3881 | case 0x05: /* BALR - branch and link */ | |
3882 | case 0x45: /* BAL - branch and link */ | |
3883 | case 0x06: /* BCTR - branch on count */ | |
3884 | case 0x46: /* BCT - branch on count */ | |
3885 | case 0x0d: /* BASR - branch and save */ | |
3886 | case 0x4d: /* BAS - branch and save */ | |
3887 | case 0x84: /* BRXH - branch relative on index high */ | |
3888 | case 0x85: /* BRXLE - branch relative on index low or equal */ | |
3889 | case 0x86: /* BXH - branch on index high */ | |
3890 | case 0x87: /* BXLE - branch on index low or equal */ | |
3891 | /* BA[SL]* use native-size destination for linkage info, BCT*, BRX*, BX* | |
3892 | use 32-bit destination as counter. */ | |
3893 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3894 | return -1; | |
3895 | break; | |
3896 | ||
3897 | case 0x07: /* BCR - branch on condition */ | |
3898 | case 0x47: /* BC - branch on condition */ | |
3899 | /* No effect other than PC transfer. */ | |
3900 | break; | |
3901 | ||
3902 | /* 0x08 undefined */ | |
3903 | /* 0x09 undefined */ | |
3904 | ||
3905 | case 0x0a: | |
3906 | /* SVC - supervisor call */ | |
3907 | if (s390_linux_syscall_record (regcache, ibyte[1])) | |
3908 | return -1; | |
3909 | break; | |
3910 | ||
3911 | case 0x0b: /* BSM - branch and set mode */ | |
3912 | if (inib[2]) | |
3913 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3914 | return -1; | |
3915 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3916 | return -1; | |
3917 | break; | |
3918 | ||
3919 | case 0x0c: /* BASSM - branch and save and set mode */ | |
3920 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3921 | return -1; | |
3922 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3923 | return -1; | |
3924 | break; | |
3925 | ||
3926 | case 0x0e: /* MVCL - move long [interruptible] */ | |
3927 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
3928 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
3929 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp); | |
3930 | tmp &= 0xffffff; | |
3931 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
3932 | return -1; | |
3933 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3934 | return -1; | |
3935 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
3936 | return -1; | |
3937 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
3938 | return -1; | |
3939 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
3940 | return -1; | |
3941 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3942 | return -1; | |
3943 | break; | |
3944 | ||
3945 | case 0x0f: /* CLCL - compare logical long [interruptible] */ | |
3946 | case 0xa9: /* CLCLE - compare logical long extended [partial] */ | |
3947 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3948 | return -1; | |
3949 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
3950 | return -1; | |
3951 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
3952 | return -1; | |
3953 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
3954 | return -1; | |
3955 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3956 | return -1; | |
3957 | break; | |
3958 | ||
3959 | case 0x10: /* LPR - load positive */ | |
3960 | case 0x11: /* LNR - load negative */ | |
3961 | case 0x12: /* LTR - load and test */ | |
3962 | case 0x13: /* LCR - load complement */ | |
3963 | case 0x14: /* NR - and */ | |
3964 | case 0x16: /* OR - or */ | |
3965 | case 0x17: /* XR - xor */ | |
3966 | case 0x1a: /* AR - add */ | |
3967 | case 0x1b: /* SR - subtract */ | |
3968 | case 0x1e: /* ALR - add logical */ | |
3969 | case 0x1f: /* SLR - subtract logical */ | |
3970 | case 0x54: /* N - and */ | |
3971 | case 0x56: /* O - or */ | |
3972 | case 0x57: /* X - xor */ | |
3973 | case 0x5a: /* A - add */ | |
3974 | case 0x5b: /* S - subtract */ | |
3975 | case 0x5e: /* AL - add logical */ | |
3976 | case 0x5f: /* SL - subtract logical */ | |
3977 | case 0x4a: /* AH - add halfword */ | |
3978 | case 0x4b: /* SH - subtract halfword */ | |
3979 | case 0x8a: /* SRA - shift right single */ | |
3980 | case 0x8b: /* SLA - shift left single */ | |
3981 | case 0xbf: /* ICM - insert characters under mask */ | |
3982 | /* 32-bit destination + flags */ | |
3983 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
3984 | return -1; | |
3985 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
3986 | return -1; | |
3987 | break; | |
3988 | ||
3989 | case 0x15: /* CLR - compare logical */ | |
3990 | case 0x55: /* CL - compare logical */ | |
3991 | case 0x19: /* CR - compare */ | |
3992 | case 0x29: /* CDR - compare */ | |
3993 | case 0x39: /* CER - compare */ | |
3994 | case 0x49: /* CH - compare halfword */ | |
3995 | case 0x59: /* C - compare */ | |
3996 | case 0x69: /* CD - compare */ | |
3997 | case 0x79: /* CE - compare */ | |
3998 | case 0x91: /* TM - test under mask */ | |
3999 | case 0x95: /* CLI - compare logical */ | |
4000 | case 0xbd: /* CLM - compare logical under mask */ | |
4001 | case 0xd5: /* CLC - compare logical */ | |
4002 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4003 | return -1; | |
4004 | break; | |
4005 | ||
4006 | case 0x18: /* LR - load */ | |
4007 | case 0x48: /* LH - load halfword */ | |
4008 | case 0x58: /* L - load */ | |
4009 | case 0x41: /* LA - load address */ | |
4010 | case 0x43: /* IC - insert character */ | |
4011 | case 0x4c: /* MH - multiply halfword */ | |
4012 | case 0x71: /* MS - multiply single */ | |
4013 | case 0x88: /* SRL - shift right single logical */ | |
4014 | case 0x89: /* SLL - shift left single logical */ | |
4015 | /* 32-bit, 8-bit (IC), or native width (LA) destination, no flags */ | |
4016 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4017 | return -1; | |
4018 | break; | |
4019 | ||
4020 | case 0x1c: /* MR - multiply */ | |
4021 | case 0x5c: /* M - multiply */ | |
4022 | case 0x1d: /* DR - divide */ | |
4023 | case 0x5d: /* D - divide */ | |
4024 | case 0x8c: /* SRDL - shift right double logical */ | |
4025 | case 0x8d: /* SLDL - shift left double logical */ | |
4026 | /* 32-bit pair destination, no flags */ | |
4027 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4028 | return -1; | |
4029 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
4030 | return -1; | |
4031 | break; | |
4032 | ||
4033 | case 0x20: /* LPDR - load positive */ | |
4034 | case 0x30: /* LPER - load positive */ | |
4035 | case 0x21: /* LNDR - load negative */ | |
4036 | case 0x31: /* LNER - load negative */ | |
4037 | case 0x22: /* LTDR - load and test */ | |
4038 | case 0x32: /* LTER - load and test */ | |
4039 | case 0x23: /* LCDR - load complement */ | |
4040 | case 0x33: /* LCER - load complement */ | |
4041 | case 0x2a: /* ADR - add */ | |
4042 | case 0x3a: /* AER - add */ | |
4043 | case 0x6a: /* AD - add */ | |
4044 | case 0x7a: /* AE - add */ | |
4045 | case 0x2b: /* SDR - subtract */ | |
4046 | case 0x3b: /* SER - subtract */ | |
4047 | case 0x6b: /* SD - subtract */ | |
4048 | case 0x7b: /* SE - subtract */ | |
4049 | case 0x2e: /* AWR - add unnormalized */ | |
4050 | case 0x3e: /* AUR - add unnormalized */ | |
4051 | case 0x6e: /* AW - add unnormalized */ | |
4052 | case 0x7e: /* AU - add unnormalized */ | |
4053 | case 0x2f: /* SWR - subtract unnormalized */ | |
4054 | case 0x3f: /* SUR - subtract unnormalized */ | |
4055 | case 0x6f: /* SW - subtract unnormalized */ | |
4056 | case 0x7f: /* SU - subtract unnormalized */ | |
4057 | /* float destination + flags */ | |
4058 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
4059 | return -1; | |
4060 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4061 | return -1; | |
4062 | break; | |
4063 | ||
4064 | case 0x24: /* HDR - halve */ | |
4065 | case 0x34: /* HER - halve */ | |
4066 | case 0x25: /* LDXR - load rounded */ | |
4067 | case 0x35: /* LEDR - load rounded */ | |
4068 | case 0x28: /* LDR - load */ | |
4069 | case 0x38: /* LER - load */ | |
4070 | case 0x68: /* LD - load */ | |
4071 | case 0x78: /* LE - load */ | |
4072 | case 0x2c: /* MDR - multiply */ | |
4073 | case 0x3c: /* MDER - multiply */ | |
4074 | case 0x6c: /* MD - multiply */ | |
4075 | case 0x7c: /* MDE - multiply */ | |
4076 | case 0x2d: /* DDR - divide */ | |
4077 | case 0x3d: /* DER - divide */ | |
4078 | case 0x6d: /* DD - divide */ | |
4079 | case 0x7d: /* DE - divide */ | |
4080 | /* float destination, no flags */ | |
4081 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
4082 | return -1; | |
4083 | break; | |
4084 | ||
4085 | case 0x26: /* MXR - multiply */ | |
4086 | case 0x27: /* MXDR - multiply */ | |
4087 | case 0x67: /* MXD - multiply */ | |
4088 | /* float pair destination, no flags */ | |
4089 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
4090 | return -1; | |
4091 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) | |
4092 | return -1; | |
4093 | break; | |
4094 | ||
4095 | case 0x36: /* AXR - add */ | |
4096 | case 0x37: /* SXR - subtract */ | |
4097 | /* float pair destination + flags */ | |
4098 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
4099 | return -1; | |
4100 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) | |
4101 | return -1; | |
4102 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4103 | return -1; | |
4104 | break; | |
4105 | ||
4106 | case 0x40: /* STH - store halfword */ | |
4107 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
4108 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
4109 | return -1; | |
4110 | break; | |
4111 | ||
4112 | case 0x42: /* STC - store character */ | |
4113 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
4114 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
4115 | return -1; | |
4116 | break; | |
4117 | ||
4118 | case 0x44: /* EX - execute */ | |
4119 | if (ex != -1) | |
4120 | { | |
4121 | fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n", | |
4122 | paddress (gdbarch, addr)); | |
4123 | return -1; | |
4124 | } | |
4125 | addr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
4126 | if (inib[2]) | |
4127 | { | |
4128 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
4129 | ex = tmp & 0xff; | |
4130 | } | |
4131 | else | |
4132 | { | |
4133 | ex = 0; | |
4134 | } | |
4135 | goto ex; | |
4136 | ||
4137 | case 0x4e: /* CVD - convert to decimal */ | |
4138 | case 0x60: /* STD - store */ | |
4139 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
4140 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
4141 | return -1; | |
4142 | break; | |
4143 | ||
4144 | case 0x4f: /* CVB - convert to binary */ | |
4145 | /* 32-bit gpr destination + FPC (DXC write) */ | |
4146 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4147 | return -1; | |
4148 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4149 | return -1; | |
4150 | break; | |
4151 | ||
4152 | case 0x50: /* ST - store */ | |
4153 | case 0x70: /* STE - store */ | |
4154 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
4155 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
4156 | return -1; | |
4157 | break; | |
4158 | ||
4159 | case 0x51: /* LAE - load address extended */ | |
4160 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4161 | return -1; | |
4162 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2])) | |
4163 | return -1; | |
4164 | break; | |
4165 | ||
4166 | /* 0x52 undefined */ | |
4167 | /* 0x53 undefined */ | |
4168 | ||
4169 | /* 0x61-0x66 undefined */ | |
4170 | ||
4171 | /* 0x72-0x77 undefined */ | |
4172 | ||
4173 | /* 0x80 privileged: SSM - set system mask */ | |
4174 | /* 0x81 undefined */ | |
4175 | /* 0x82 privileged: LPSW - load PSW */ | |
4176 | /* 0x83 privileged: diagnose */ | |
4177 | ||
4178 | case 0x8e: /* SRDA - shift right double */ | |
4179 | case 0x8f: /* SLDA - shift left double */ | |
4180 | /* 32-bit pair destination + flags */ | |
4181 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4182 | return -1; | |
4183 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
4184 | return -1; | |
4185 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4186 | return -1; | |
4187 | break; | |
4188 | ||
4189 | case 0x90: /* STM - store multiple */ | |
4190 | case 0x9b: /* STAM - store access multiple */ | |
4191 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4192 | if (inib[2] <= inib[3]) | |
4193 | n = inib[3] - inib[2] + 1; | |
4194 | else | |
4195 | n = inib[3] + 0x10 - inib[2] + 1; | |
4196 | if (record_full_arch_list_add_mem (oaddr, n * 4)) | |
4197 | return -1; | |
4198 | break; | |
4199 | ||
4200 | case 0x92: /* MVI - move */ | |
4201 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4202 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
4203 | return -1; | |
4204 | break; | |
4205 | ||
4206 | case 0x93: /* TS - test and set */ | |
4207 | case 0x94: /* NI - and */ | |
4208 | case 0x96: /* OI - or */ | |
4209 | case 0x97: /* XI - xor */ | |
4210 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4211 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
4212 | return -1; | |
4213 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4214 | return -1; | |
4215 | break; | |
4216 | ||
4217 | case 0x98: /* LM - load multiple */ | |
4218 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
4219 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
4220 | return -1; | |
4221 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
4222 | return -1; | |
4223 | break; | |
4224 | ||
4225 | /* 0x99 privileged: TRACE */ | |
4226 | ||
4227 | case 0x9a: /* LAM - load access multiple */ | |
4228 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
4229 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i)) | |
4230 | return -1; | |
4231 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3])) | |
4232 | return -1; | |
4233 | break; | |
4234 | ||
4235 | /* 0x9c-0x9f privileged and obsolete (old I/O) */ | |
4236 | /* 0xa0-0xa4 undefined */ | |
4237 | ||
4238 | case 0xa5: | |
4239 | case 0xa7: | |
4240 | /* RI-format instruction */ | |
4241 | switch (ibyte[0] << 4 | inib[3]) | |
4242 | { | |
4243 | case 0xa50: /* IIHH - insert immediate */ | |
4244 | case 0xa51: /* IIHL - insert immediate */ | |
4245 | /* high 32-bit destination */ | |
4246 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
4247 | return -1; | |
4248 | break; | |
4249 | ||
4250 | case 0xa52: /* IILH - insert immediate */ | |
4251 | case 0xa53: /* IILL - insert immediate */ | |
4252 | case 0xa75: /* BRAS - branch relative and save */ | |
4253 | case 0xa76: /* BRCT - branch relative on count */ | |
4254 | case 0xa78: /* LHI - load halfword immediate */ | |
4255 | case 0xa7c: /* MHI - multiply halfword immediate */ | |
4256 | /* 32-bit or native destination */ | |
4257 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4258 | return -1; | |
4259 | break; | |
4260 | ||
4261 | case 0xa54: /* NIHH - and immediate */ | |
4262 | case 0xa55: /* NIHL - and immediate */ | |
4263 | case 0xa58: /* OIHH - or immediate */ | |
4264 | case 0xa59: /* OIHL - or immediate */ | |
4265 | /* high 32-bit destination + flags */ | |
4266 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
4267 | return -1; | |
4268 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4269 | return -1; | |
4270 | break; | |
4271 | ||
4272 | case 0xa56: /* NILH - and immediate */ | |
4273 | case 0xa57: /* NILL - and immediate */ | |
4274 | case 0xa5a: /* OILH - or immediate */ | |
4275 | case 0xa5b: /* OILL - or immediate */ | |
4276 | case 0xa7a: /* AHI - add halfword immediate */ | |
4277 | /* 32-bit destination + flags */ | |
4278 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4279 | return -1; | |
4280 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4281 | return -1; | |
4282 | break; | |
4283 | ||
4284 | case 0xa5c: /* LLIHH - load logical immediate */ | |
4285 | case 0xa5d: /* LLIHL - load logical immediate */ | |
4286 | case 0xa5e: /* LLILH - load logical immediate */ | |
4287 | case 0xa5f: /* LLILL - load logical immediate */ | |
4288 | case 0xa77: /* BRCTG - branch relative on count */ | |
4289 | case 0xa79: /* LGHI - load halfword immediate */ | |
4290 | case 0xa7d: /* MGHI - multiply halfword immediate */ | |
4291 | /* 64-bit destination */ | |
4292 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
4293 | return -1; | |
4294 | break; | |
4295 | ||
4296 | case 0xa70: /* TMLH - test under mask */ | |
4297 | case 0xa71: /* TMLL - test under mask */ | |
4298 | case 0xa72: /* TMHH - test under mask */ | |
4299 | case 0xa73: /* TMHL - test under mask */ | |
4300 | case 0xa7e: /* CHI - compare halfword immediate */ | |
4301 | case 0xa7f: /* CGHI - compare halfword immediate */ | |
4302 | /* flags only */ | |
4303 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4304 | return -1; | |
4305 | break; | |
4306 | ||
4307 | case 0xa74: /* BRC - branch relative on condition */ | |
4308 | /* no register change */ | |
4309 | break; | |
4310 | ||
4311 | case 0xa7b: /* AGHI - add halfword immediate */ | |
4312 | /* 64-bit destination + flags */ | |
4313 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
4314 | return -1; | |
4315 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4316 | return -1; | |
4317 | break; | |
4318 | ||
4319 | default: | |
4320 | goto UNKNOWN_OP; | |
4321 | } | |
4322 | break; | |
4323 | ||
4324 | /* 0xa6 undefined */ | |
4325 | ||
4326 | case 0xa8: /* MVCLE - move long extended [partial] */ | |
4327 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
4328 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4329 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp); | |
4330 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
4331 | return -1; | |
4332 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
4333 | return -1; | |
4334 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
4335 | return -1; | |
4336 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
4337 | return -1; | |
4338 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
4339 | return -1; | |
4340 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4341 | return -1; | |
4342 | break; | |
4343 | ||
4344 | /* 0xaa-0xab undefined */ | |
4345 | /* 0xac privileged: STNSM - store then and system mask */ | |
4346 | /* 0xad privileged: STOSM - store then or system mask */ | |
4347 | /* 0xae privileged: SIGP - signal processor */ | |
4348 | /* 0xaf unsupported: MC - monitor call */ | |
4349 | /* 0xb0 undefined */ | |
4350 | /* 0xb1 privileged: LRA - load real address */ | |
4351 | ||
4352 | case 0xb2: | |
4353 | case 0xb3: | |
4354 | case 0xb9: | |
4355 | /* S/RRD/RRE/RRF/IE-format instruction */ | |
4356 | switch (insn[0]) | |
4357 | { | |
4358 | /* 0xb200-0xb204 undefined or privileged */ | |
4359 | ||
4360 | case 0xb205: /* STCK - store clock */ | |
4361 | case 0xb27c: /* STCKF - store clock fast */ | |
4362 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4363 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
4364 | return -1; | |
4365 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4366 | return -1; | |
4367 | break; | |
4368 | ||
4369 | /* 0xb206-0xb219 undefined, privileged, or unsupported */ | |
4370 | /* 0xb21a unsupported: CFC */ | |
4371 | /* 0xb21b-0xb221 undefined or privileged */ | |
4372 | ||
4373 | case 0xb222: /* IPM - insert program mask */ | |
4374 | case 0xb24f: /* EAR - extract access */ | |
4375 | case 0xb252: /* MSR - multiply single */ | |
4376 | case 0xb2ec: /* ETND - extract transaction nesting depth */ | |
4377 | case 0xb38c: /* EFPC - extract fpc */ | |
4378 | case 0xb91f: /* LRVR - load reversed */ | |
4379 | case 0xb926: /* LBR - load byte */ | |
4380 | case 0xb927: /* LHR - load halfword */ | |
4381 | case 0xb994: /* LLCR - load logical character */ | |
4382 | case 0xb995: /* LLHR - load logical halfword */ | |
4383 | case 0xb9f2: /* LOCR - load on condition */ | |
4384 | /* 32-bit gpr destination */ | |
4385 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4386 | return -1; | |
4387 | break; | |
4388 | ||
4389 | /* 0xb223-0xb22c privileged or unsupported */ | |
4390 | ||
4391 | case 0xb22d: /* DXR - divide */ | |
4392 | case 0xb325: /* LXDR - load lengthened */ | |
4393 | case 0xb326: /* LXER - load lengthened */ | |
4394 | case 0xb336: /* SQXR - square root */ | |
4395 | case 0xb365: /* LXR - load */ | |
4396 | case 0xb367: /* FIXR - load fp integer */ | |
4397 | case 0xb376: /* LZXR - load zero */ | |
4398 | case 0xb3b6: /* CXFR - convert from fixed */ | |
4399 | case 0xb3c6: /* CXGR - convert from fixed */ | |
4400 | case 0xb3fe: /* IEXTR - insert biased exponent */ | |
4401 | /* float pair destination */ | |
4402 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4403 | return -1; | |
4404 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) | |
4405 | return -1; | |
4406 | break; | |
4407 | ||
4408 | /* 0xb22e-0xb240 undefined, privileged, or unsupported */ | |
4409 | ||
4410 | case 0xb241: /* CKSM - checksum [partial] */ | |
4411 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4412 | return -1; | |
4413 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4414 | return -1; | |
4415 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
4416 | return -1; | |
4417 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4418 | return -1; | |
4419 | break; | |
4420 | ||
4421 | /* 0xb242-0xb243 undefined */ | |
4422 | ||
4423 | case 0xb244: /* SQDR - square root */ | |
4424 | case 0xb245: /* SQER - square root */ | |
4425 | case 0xb324: /* LDER - load lengthened */ | |
4426 | case 0xb337: /* MEER - multiply */ | |
4427 | case 0xb366: /* LEXR - load rounded */ | |
4428 | case 0xb370: /* LPDFR - load positive */ | |
4429 | case 0xb371: /* LNDFR - load negative */ | |
4430 | case 0xb372: /* CSDFR - copy sign */ | |
4431 | case 0xb373: /* LCDFR - load complement */ | |
4432 | case 0xb374: /* LZER - load zero */ | |
4433 | case 0xb375: /* LZDR - load zero */ | |
4434 | case 0xb377: /* FIER - load fp integer */ | |
4435 | case 0xb37f: /* FIDR - load fp integer */ | |
4436 | case 0xb3b4: /* CEFR - convert from fixed */ | |
4437 | case 0xb3b5: /* CDFR - convert from fixed */ | |
4438 | case 0xb3c1: /* LDGR - load fpr from gr */ | |
4439 | case 0xb3c4: /* CEGR - convert from fixed */ | |
4440 | case 0xb3c5: /* CDGR - convert from fixed */ | |
4441 | case 0xb3f6: /* IEDTR - insert biased exponent */ | |
4442 | /* float destination */ | |
4443 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4444 | return -1; | |
4445 | break; | |
4446 | ||
4447 | /* 0xb246-0xb24c: privileged or unsupported */ | |
4448 | ||
4449 | case 0xb24d: /* CPYA - copy access */ | |
4450 | case 0xb24e: /* SAR - set access */ | |
4451 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[6])) | |
4452 | return -1; | |
4453 | break; | |
4454 | ||
4455 | /* 0xb250-0xb251 undefined or privileged */ | |
4456 | /* 0xb253-0xb254 undefined or privileged */ | |
4457 | ||
4458 | case 0xb255: /* MVST - move string [partial] */ | |
4459 | { | |
4460 | uint8_t end; | |
4461 | gdb_byte cur; | |
4462 | ULONGEST num = 0; | |
4463 | /* Read ending byte. */ | |
4464 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
4465 | end = tmp & 0xff; | |
4466 | /* Get address of second operand. */ | |
4467 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[7], &tmp); | |
4468 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4469 | /* Search for ending byte and compute length. */ | |
4470 | do { | |
4471 | num++; | |
4472 | if (target_read_memory (oaddr, &cur, 1)) | |
4473 | return -1; | |
4474 | oaddr++; | |
4475 | } while (cur != end); | |
4476 | /* Get address of first operand and record it. */ | |
4477 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
4478 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4479 | if (record_full_arch_list_add_mem (oaddr, num)) | |
4480 | return -1; | |
4481 | /* Record the registers. */ | |
4482 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4483 | return -1; | |
4484 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4485 | return -1; | |
4486 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4487 | return -1; | |
4488 | } | |
4489 | break; | |
4490 | ||
4491 | /* 0xb256 undefined */ | |
4492 | ||
4493 | case 0xb257: /* CUSE - compare until substring equal [interruptible] */ | |
4494 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4495 | return -1; | |
4496 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
4497 | return -1; | |
4498 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4499 | return -1; | |
4500 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
4501 | return -1; | |
4502 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4503 | return -1; | |
4504 | break; | |
4505 | ||
4506 | /* 0xb258-0xb25c undefined, privileged, or unsupported */ | |
4507 | ||
4508 | case 0xb25d: /* CLST - compare logical string [partial] */ | |
4509 | case 0xb25e: /* SRST - search string [partial] */ | |
4510 | case 0xb9be: /* SRSTU - search string unicode [partial] */ | |
4511 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4512 | return -1; | |
4513 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4514 | return -1; | |
4515 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4516 | return -1; | |
4517 | break; | |
4518 | ||
4519 | /* 0xb25f-0xb262 undefined */ | |
4520 | ||
4521 | case 0xb263: /* CMPSC - compression call [interruptible] */ | |
4522 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
4523 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4524 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
4525 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
4526 | return -1; | |
4527 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4528 | return -1; | |
4529 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
4530 | return -1; | |
4531 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4532 | return -1; | |
4533 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
4534 | return -1; | |
4535 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) | |
4536 | return -1; | |
4537 | /* DXC may be written */ | |
4538 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4539 | return -1; | |
4540 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4541 | return -1; | |
4542 | break; | |
4543 | ||
4544 | /* 0xb264-0xb277 undefined, privileged, or unsupported */ | |
4545 | ||
4546 | case 0xb278: /* STCKE - store clock extended */ | |
4547 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4548 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
4549 | return -1; | |
4550 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4551 | return -1; | |
4552 | break; | |
4553 | ||
4554 | /* 0xb279-0xb27b undefined or unsupported */ | |
4555 | /* 0xb27d-0xb298 undefined or privileged */ | |
4556 | ||
4557 | case 0xb299: /* SRNM - set rounding mode */ | |
4558 | case 0xb2b8: /* SRNMB - set bfp rounding mode */ | |
4559 | case 0xb2b9: /* SRNMT - set dfp rounding mode */ | |
4560 | case 0xb29d: /* LFPC - load fpc */ | |
4561 | case 0xb2bd: /* LFAS - load fpc and signal */ | |
4562 | case 0xb384: /* SFPC - set fpc */ | |
4563 | case 0xb385: /* SFASR - set fpc and signal */ | |
4564 | case 0xb960: /* CGRT - compare and trap */ | |
4565 | case 0xb961: /* CLGRT - compare logical and trap */ | |
4566 | case 0xb972: /* CRT - compare and trap */ | |
4567 | case 0xb973: /* CLRT - compare logical and trap */ | |
4568 | /* fpc only - including possible DXC write for trapping insns */ | |
4569 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4570 | return -1; | |
4571 | break; | |
4572 | ||
4573 | /* 0xb29a-0xb29b undefined */ | |
4574 | ||
4575 | case 0xb29c: /* STFPC - store fpc */ | |
4576 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4577 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
4578 | return -1; | |
4579 | break; | |
4580 | ||
4581 | /* 0xb29e-0xb2a4 undefined */ | |
4582 | ||
4583 | case 0xb2a5: /* TRE - translate extended [partial] */ | |
4584 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
4585 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4586 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
4587 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
4588 | return -1; | |
4589 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4590 | return -1; | |
4591 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
4592 | return -1; | |
4593 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4594 | return -1; | |
4595 | break; | |
4596 | ||
4597 | case 0xb2a6: /* CU21 - convert UTF-16 to UTF-8 [partial] */ | |
4598 | case 0xb2a7: /* CU12 - convert UTF-8 to UTF-16 [partial] */ | |
4599 | case 0xb9b0: /* CU14 - convert UTF-8 to UTF-32 [partial] */ | |
4600 | case 0xb9b1: /* CU24 - convert UTF-16 to UTF-32 [partial] */ | |
4601 | case 0xb9b2: /* CU41 - convert UTF-32 to UTF-8 [partial] */ | |
4602 | case 0xb9b3: /* CU42 - convert UTF-32 to UTF-16 [partial] */ | |
4603 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
4604 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
4605 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
4606 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
4607 | return -1; | |
4608 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4609 | return -1; | |
4610 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
4611 | return -1; | |
4612 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
4613 | return -1; | |
4614 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
4615 | return -1; | |
4616 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4617 | return -1; | |
4618 | break; | |
4619 | ||
4620 | /* 0xb2a8-0xb2af undefined */ | |
4621 | ||
4622 | case 0xb2b0: /* STFLE - store facility list extended */ | |
4623 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
4624 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
4625 | tmp &= 0xff; | |
4626 | if (record_full_arch_list_add_mem (oaddr, 8 * (tmp + 1))) | |
4627 | return -1; | |
4628 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM)) | |
4629 | return -1; | |
4630 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4631 | return -1; | |
4632 | break; | |
4633 | ||
4634 | /* 0xb2b1-0xb2b7 undefined or privileged */ | |
4635 | /* 0xb2ba-0xb2bc undefined */ | |
4636 | /* 0xb2be-0xb2e7 undefined */ | |
4637 | /* 0xb2e9-0xb2eb undefined */ | |
4638 | /* 0xb2ed-0xb2f7 undefined */ | |
4639 | /* 0xb2f8 unsupported: TEND */ | |
4640 | /* 0xb2f9 undefined */ | |
4641 | ||
4642 | case 0xb2e8: /* PPA - perform processor assist */ | |
4643 | case 0xb2fa: /* NIAI - next instruction access intent */ | |
4644 | /* no visible effects */ | |
4645 | break; | |
4646 | ||
4647 | /* 0xb2fb undefined */ | |
4648 | /* 0xb2fc unsupported: TABORT */ | |
4649 | /* 0xb2fd-0xb2fe undefined */ | |
4650 | /* 0xb2ff unsupported: TRAP */ | |
4651 | ||
4652 | case 0xb300: /* LPEBR - load positive */ | |
4653 | case 0xb301: /* LNEBR - load negative */ | |
4654 | case 0xb303: /* LCEBR - load complement */ | |
4655 | case 0xb310: /* LPDBR - load positive */ | |
4656 | case 0xb311: /* LNDBR - load negative */ | |
4657 | case 0xb313: /* LCDBR - load complement */ | |
4658 | case 0xb350: /* TBEDR - convert hfp to bfp */ | |
4659 | case 0xb351: /* TBDR - convert hfp to bfp */ | |
4660 | case 0xb358: /* THDER - convert bfp to hfp */ | |
4661 | case 0xb359: /* THDR - convert bfp to hfp */ | |
4662 | /* float destination + flags */ | |
4663 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4664 | return -1; | |
4665 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4666 | return -1; | |
4667 | break; | |
4668 | ||
4669 | case 0xb304: /* LDEBR - load lengthened */ | |
4670 | case 0xb30c: /* MDEBR - multiply */ | |
4671 | case 0xb30d: /* DEBR - divide */ | |
4672 | case 0xb314: /* SQEBR - square root */ | |
4673 | case 0xb315: /* SQDBR - square root */ | |
4674 | case 0xb317: /* MEEBR - multiply */ | |
4675 | case 0xb31c: /* MDBR - multiply */ | |
4676 | case 0xb31d: /* DDBR - divide */ | |
4677 | case 0xb344: /* LEDBRA - load rounded */ | |
4678 | case 0xb345: /* LDXBRA - load rounded */ | |
4679 | case 0xb346: /* LEXBRA - load rounded */ | |
4680 | case 0xb357: /* FIEBRA - load fp integer */ | |
4681 | case 0xb35f: /* FIDBRA - load fp integer */ | |
4682 | case 0xb390: /* CELFBR - convert from logical */ | |
4683 | case 0xb391: /* CDLFBR - convert from logical */ | |
4684 | case 0xb394: /* CEFBR - convert from fixed */ | |
4685 | case 0xb395: /* CDFBR - convert from fixed */ | |
4686 | case 0xb3a0: /* CELGBR - convert from logical */ | |
4687 | case 0xb3a1: /* CDLGBR - convert from logical */ | |
4688 | case 0xb3a4: /* CEGBR - convert from fixed */ | |
4689 | case 0xb3a5: /* CDGBR - convert from fixed */ | |
4690 | case 0xb3d0: /* MDTR - multiply */ | |
4691 | case 0xb3d1: /* DDTR - divide */ | |
4692 | case 0xb3d4: /* LDETR - load lengthened */ | |
4693 | case 0xb3d5: /* LEDTR - load lengthened */ | |
4694 | case 0xb3d7: /* FIDTR - load fp integer */ | |
4695 | case 0xb3dd: /* LDXTR - load lengthened */ | |
4696 | case 0xb3f1: /* CDGTR - convert from fixed */ | |
4697 | case 0xb3f2: /* CDUTR - convert from unsigned packed */ | |
4698 | case 0xb3f3: /* CDSTR - convert from signed packed */ | |
4699 | case 0xb3f5: /* QADTR - quantize */ | |
4700 | case 0xb3f7: /* RRDTR - reround */ | |
4701 | case 0xb951: /* CDFTR - convert from fixed */ | |
4702 | case 0xb952: /* CDLGTR - convert from logical */ | |
4703 | case 0xb953: /* CDLFTR - convert from logical */ | |
4704 | /* float destination + fpc */ | |
4705 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4706 | return -1; | |
4707 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4708 | return -1; | |
4709 | break; | |
4710 | ||
4711 | case 0xb305: /* LXDBR - load lengthened */ | |
4712 | case 0xb306: /* LXEBR - load lengthened */ | |
4713 | case 0xb307: /* MXDBR - multiply */ | |
4714 | case 0xb316: /* SQXBR - square root */ | |
4715 | case 0xb34c: /* MXBR - multiply */ | |
4716 | case 0xb34d: /* DXBR - divide */ | |
4717 | case 0xb347: /* FIXBRA - load fp integer */ | |
4718 | case 0xb392: /* CXLFBR - convert from logical */ | |
4719 | case 0xb396: /* CXFBR - convert from fixed */ | |
4720 | case 0xb3a2: /* CXLGBR - convert from logical */ | |
4721 | case 0xb3a6: /* CXGBR - convert from fixed */ | |
4722 | case 0xb3d8: /* MXTR - multiply */ | |
4723 | case 0xb3d9: /* DXTR - divide */ | |
4724 | case 0xb3dc: /* LXDTR - load lengthened */ | |
4725 | case 0xb3df: /* FIXTR - load fp integer */ | |
4726 | case 0xb3f9: /* CXGTR - convert from fixed */ | |
4727 | case 0xb3fa: /* CXUTR - convert from unsigned packed */ | |
4728 | case 0xb3fb: /* CXSTR - convert from signed packed */ | |
4729 | case 0xb3fd: /* QAXTR - quantize */ | |
4730 | case 0xb3ff: /* RRXTR - reround */ | |
4731 | case 0xb959: /* CXFTR - convert from fixed */ | |
4732 | case 0xb95a: /* CXLGTR - convert from logical */ | |
4733 | case 0xb95b: /* CXLFTR - convert from logical */ | |
4734 | /* float pair destination + fpc */ | |
4735 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4736 | return -1; | |
4737 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) | |
4738 | return -1; | |
4739 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4740 | return -1; | |
4741 | break; | |
4742 | ||
4743 | case 0xb308: /* KEBR - compare and signal */ | |
4744 | case 0xb309: /* CEBR - compare */ | |
4745 | case 0xb318: /* KDBR - compare and signal */ | |
4746 | case 0xb319: /* CDBR - compare */ | |
4747 | case 0xb348: /* KXBR - compare and signal */ | |
4748 | case 0xb349: /* CXBR - compare */ | |
4749 | case 0xb3e0: /* KDTR - compare and signal */ | |
4750 | case 0xb3e4: /* CDTR - compare */ | |
4751 | case 0xb3e8: /* KXTR - compare and signal */ | |
4752 | case 0xb3ec: /* CXTR - compare */ | |
4753 | /* flags + fpc only */ | |
4754 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4755 | return -1; | |
4756 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4757 | return -1; | |
4758 | break; | |
4759 | ||
4760 | case 0xb302: /* LTEBR - load and test */ | |
4761 | case 0xb312: /* LTDBR - load and test */ | |
4762 | case 0xb30a: /* AEBR - add */ | |
4763 | case 0xb30b: /* SEBR - subtract */ | |
4764 | case 0xb31a: /* ADBR - add */ | |
4765 | case 0xb31b: /* SDBR - subtract */ | |
4766 | case 0xb3d2: /* ADTR - add */ | |
4767 | case 0xb3d3: /* SDTR - subtract */ | |
4768 | case 0xb3d6: /* LTDTR - load and test */ | |
4769 | /* float destination + flags + fpc */ | |
4770 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4771 | return -1; | |
4772 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4773 | return -1; | |
4774 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4775 | return -1; | |
4776 | break; | |
4777 | ||
4778 | case 0xb30e: /* MAEBR - multiply and add */ | |
4779 | case 0xb30f: /* MSEBR - multiply and subtract */ | |
4780 | case 0xb31e: /* MADBR - multiply and add */ | |
4781 | case 0xb31f: /* MSDBR - multiply and subtract */ | |
4782 | /* float destination [RRD] + fpc */ | |
4783 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) | |
4784 | return -1; | |
4785 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4786 | return -1; | |
4787 | break; | |
4788 | ||
4789 | /* 0xb320-0xb323 undefined */ | |
4790 | /* 0xb327-0xb32d undefined */ | |
4791 | ||
4792 | case 0xb32e: /* MAER - multiply and add */ | |
4793 | case 0xb32f: /* MSER - multiply and subtract */ | |
4794 | case 0xb338: /* MAYLR - multiply and add unnormalized */ | |
4795 | case 0xb339: /* MYLR - multiply unnormalized */ | |
4796 | case 0xb33c: /* MAYHR - multiply and add unnormalized */ | |
4797 | case 0xb33d: /* MYHR - multiply unnormalized */ | |
4798 | case 0xb33e: /* MADR - multiply and add */ | |
4799 | case 0xb33f: /* MSDR - multiply and subtract */ | |
4800 | /* float destination [RRD] */ | |
4801 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) | |
4802 | return -1; | |
4803 | break; | |
4804 | ||
4805 | /* 0xb330-0xb335 undefined */ | |
4806 | ||
4807 | case 0xb33a: /* MAYR - multiply and add unnormalized */ | |
4808 | case 0xb33b: /* MYR - multiply unnormalized */ | |
4809 | /* float pair destination [RRD] */ | |
4810 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) | |
4811 | return -1; | |
4812 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[4] | 2))) | |
4813 | return -1; | |
4814 | break; | |
4815 | ||
4816 | case 0xb340: /* LPXBR - load positive */ | |
4817 | case 0xb341: /* LNXBR - load negative */ | |
4818 | case 0xb343: /* LCXBR - load complement */ | |
4819 | case 0xb360: /* LPXR - load positive */ | |
4820 | case 0xb361: /* LNXR - load negative */ | |
4821 | case 0xb362: /* LTXR - load and test */ | |
4822 | case 0xb363: /* LCXR - load complement */ | |
4823 | /* float pair destination + flags */ | |
4824 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4825 | return -1; | |
4826 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) | |
4827 | return -1; | |
4828 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4829 | return -1; | |
4830 | break; | |
4831 | ||
4832 | case 0xb342: /* LTXBR - load and test */ | |
4833 | case 0xb34a: /* AXBR - add */ | |
4834 | case 0xb34b: /* SXBR - subtract */ | |
4835 | case 0xb3da: /* AXTR - add */ | |
4836 | case 0xb3db: /* SXTR - subtract */ | |
4837 | case 0xb3de: /* LTXTR - load and test */ | |
4838 | /* float pair destination + flags + fpc */ | |
4839 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4840 | return -1; | |
4841 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2))) | |
4842 | return -1; | |
4843 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4844 | return -1; | |
4845 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4846 | return -1; | |
4847 | break; | |
4848 | ||
4849 | /* 0xb34e-0xb34f undefined */ | |
4850 | /* 0xb352 undefined */ | |
4851 | ||
4852 | case 0xb353: /* DIEBR - divide to integer */ | |
4853 | case 0xb35b: /* DIDBR - divide to integer */ | |
4854 | /* two float destinations + flags + fpc */ | |
4855 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4])) | |
4856 | return -1; | |
4857 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6])) | |
4858 | return -1; | |
4859 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4860 | return -1; | |
4861 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4862 | return -1; | |
4863 | break; | |
4864 | ||
4865 | /* 0xb354-0xb356 undefined */ | |
4866 | /* 0xb35a undefined */ | |
4867 | ||
4868 | /* 0xb35c-0xb35e undefined */ | |
4869 | /* 0xb364 undefined */ | |
4870 | /* 0xb368 undefined */ | |
4871 | ||
4872 | case 0xb369: /* CXR - compare */ | |
4873 | case 0xb3f4: /* CEDTR - compare biased exponent */ | |
4874 | case 0xb3fc: /* CEXTR - compare biased exponent */ | |
4875 | case 0xb920: /* CGR - compare */ | |
4876 | case 0xb921: /* CLGR - compare logical */ | |
4877 | case 0xb930: /* CGFR - compare */ | |
4878 | case 0xb931: /* CLGFR - compare logical */ | |
4879 | case 0xb9cd: /* CHHR - compare high */ | |
4880 | case 0xb9cf: /* CLHHR - compare logical high */ | |
4881 | case 0xb9dd: /* CHLR - compare high */ | |
4882 | case 0xb9df: /* CLHLR - compare logical high */ | |
4883 | /* flags only */ | |
4884 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4885 | return -1; | |
4886 | break; | |
4887 | ||
4888 | /* 0xb36a-0xb36f undefined */ | |
4889 | /* 0xb377-0xb37e undefined */ | |
4890 | /* 0xb380-0xb383 undefined */ | |
4891 | /* 0xb386-0xb38b undefined */ | |
4892 | /* 0xb38d-0xb38f undefined */ | |
4893 | /* 0xb393 undefined */ | |
4894 | /* 0xb397 undefined */ | |
4895 | ||
4896 | case 0xb398: /* CFEBR - convert to fixed */ | |
4897 | case 0xb399: /* CFDBR - convert to fixed */ | |
4898 | case 0xb39a: /* CFXBR - convert to fixed */ | |
4899 | case 0xb39c: /* CLFEBR - convert to logical */ | |
4900 | case 0xb39d: /* CLFDBR - convert to logical */ | |
4901 | case 0xb39e: /* CLFXBR - convert to logical */ | |
4902 | case 0xb941: /* CFDTR - convert to fixed */ | |
4903 | case 0xb949: /* CFXTR - convert to fixed */ | |
4904 | case 0xb943: /* CLFDTR - convert to logical */ | |
4905 | case 0xb94b: /* CLFXTR - convert to logical */ | |
4906 | /* 32-bit gpr destination + flags + fpc */ | |
4907 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4908 | return -1; | |
4909 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4910 | return -1; | |
4911 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4912 | return -1; | |
4913 | break; | |
4914 | ||
4915 | /* 0xb39b undefined */ | |
4916 | /* 0xb39f undefined */ | |
4917 | ||
4918 | /* 0xb3a3 undefined */ | |
4919 | /* 0xb3a7 undefined */ | |
4920 | ||
4921 | case 0xb3a8: /* CGEBR - convert to fixed */ | |
4922 | case 0xb3a9: /* CGDBR - convert to fixed */ | |
4923 | case 0xb3aa: /* CGXBR - convert to fixed */ | |
4924 | case 0xb3ac: /* CLGEBR - convert to logical */ | |
4925 | case 0xb3ad: /* CLGDBR - convert to logical */ | |
4926 | case 0xb3ae: /* CLGXBR - convert to logical */ | |
4927 | case 0xb3e1: /* CGDTR - convert to fixed */ | |
4928 | case 0xb3e9: /* CGXTR - convert to fixed */ | |
4929 | case 0xb942: /* CLGDTR - convert to logical */ | |
4930 | case 0xb94a: /* CLGXTR - convert to logical */ | |
4931 | /* 64-bit gpr destination + flags + fpc */ | |
4932 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
4933 | return -1; | |
4934 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4935 | return -1; | |
4936 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
4937 | return -1; | |
4938 | break; | |
4939 | ||
4940 | /* 0xb3ab undefined */ | |
4941 | /* 0xb3af-0xb3b3 undefined */ | |
4942 | /* 0xb3b7 undefined */ | |
4943 | ||
4944 | case 0xb3b8: /* CFER - convert to fixed */ | |
4945 | case 0xb3b9: /* CFDR - convert to fixed */ | |
4946 | case 0xb3ba: /* CFXR - convert to fixed */ | |
4947 | case 0xb998: /* ALCR - add logical with carry */ | |
4948 | case 0xb999: /* SLBR - subtract logical with borrow */ | |
4949 | case 0xb9f4: /* NRK - and */ | |
4950 | case 0xb9f6: /* ORK - or */ | |
4951 | case 0xb9f7: /* XRK - xor */ | |
4952 | case 0xb9f8: /* ARK - add */ | |
4953 | case 0xb9f9: /* SRK - subtract */ | |
4954 | case 0xb9fa: /* ALRK - add logical */ | |
4955 | case 0xb9fb: /* SLRK - subtract logical */ | |
4956 | /* 32-bit gpr destination + flags */ | |
4957 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
4958 | return -1; | |
4959 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
4960 | return -1; | |
4961 | break; | |
4962 | ||
4963 | case 0xb3c8: /* CGER - convert to fixed */ | |
4964 | case 0xb3c9: /* CGDR - convert to fixed */ | |
4965 | case 0xb3ca: /* CGXR - convert to fixed */ | |
4966 | case 0xb900: /* LPGR - load positive */ | |
4967 | case 0xb901: /* LNGR - load negative */ | |
4968 | case 0xb902: /* LTGR - load and test */ | |
4969 | case 0xb903: /* LCGR - load complement */ | |
4970 | case 0xb908: /* AGR - add */ | |
4971 | case 0xb909: /* SGR - subtract */ | |
4972 | case 0xb90a: /* ALGR - add logical */ | |
4973 | case 0xb90b: /* SLGR - subtract logical */ | |
4974 | case 0xb910: /* LPGFR - load positive */ | |
4975 | case 0xb911: /* LNGFR - load negative */ | |
4976 | case 0xb912: /* LTGFR - load and test */ | |
4977 | case 0xb913: /* LCGFR - load complement */ | |
4978 | case 0xb918: /* AGFR - add */ | |
4979 | case 0xb919: /* SGFR - subtract */ | |
4980 | case 0xb91a: /* ALGFR - add logical */ | |
4981 | case 0xb91b: /* SLGFR - subtract logical */ | |
4982 | case 0xb980: /* NGR - and */ | |
4983 | case 0xb981: /* OGR - or */ | |
4984 | case 0xb982: /* XGR - xor */ | |
4985 | case 0xb988: /* ALCGR - add logical with carry */ | |
4986 | case 0xb989: /* SLBGR - subtract logical with borrow */ | |
4987 | case 0xb9e1: /* POPCNT - population count */ | |
4988 | case 0xb9e4: /* NGRK - and */ | |
4989 | case 0xb9e6: /* OGRK - or */ | |
4990 | case 0xb9e7: /* XGRK - xor */ | |
4991 | case 0xb9e8: /* AGRK - add */ | |
4992 | case 0xb9e9: /* SGRK - subtract */ | |
4993 | case 0xb9ea: /* ALGRK - add logical */ | |
4994 | case 0xb9eb: /* SLGRK - subtract logical */ | |
55efceab AA |
4995 | case 0xb9ed: /* MSGRKC - multiply single 64x64 -> 64 */ |
4996 | case 0xb9fd: /* MSRKC - multiply single 32x32 -> 32 */ | |
566c56c9 MK |
4997 | /* 64-bit gpr destination + flags */ |
4998 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
4999 | return -1; | |
5000 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5001 | return -1; | |
5002 | break; | |
5003 | ||
5004 | /* 0xb3bb-0xb3c0 undefined */ | |
5005 | /* 0xb3c2-0xb3c3 undefined */ | |
5006 | /* 0xb3c7 undefined */ | |
5007 | /* 0xb3cb-0xb3cc undefined */ | |
5008 | ||
5009 | case 0xb3cd: /* LGDR - load gr from fpr */ | |
5010 | case 0xb3e2: /* CUDTR - convert to unsigned packed */ | |
5011 | case 0xb3e3: /* CSDTR - convert to signed packed */ | |
5012 | case 0xb3e5: /* EEDTR - extract biased exponent */ | |
5013 | case 0xb3e7: /* ESDTR - extract significance */ | |
5014 | case 0xb3ed: /* EEXTR - extract biased exponent */ | |
5015 | case 0xb3ef: /* ESXTR - extract significance */ | |
5016 | case 0xb904: /* LGR - load */ | |
5017 | case 0xb906: /* LGBR - load byte */ | |
5018 | case 0xb907: /* LGHR - load halfword */ | |
5019 | case 0xb90c: /* MSGR - multiply single */ | |
5020 | case 0xb90f: /* LRVGR - load reversed */ | |
5021 | case 0xb914: /* LGFR - load */ | |
5022 | case 0xb916: /* LLGFR - load logical */ | |
5023 | case 0xb917: /* LLGTR - load logical thirty one bits */ | |
55efceab | 5024 | case 0xb91c: /* MSGFR - multiply single 64<32 */ |
566c56c9 MK |
5025 | case 0xb946: /* BCTGR - branch on count */ |
5026 | case 0xb984: /* LLGCR - load logical character */ | |
5027 | case 0xb985: /* LLGHR - load logical halfword */ | |
5028 | case 0xb9e2: /* LOCGR - load on condition */ | |
5029 | /* 64-bit gpr destination */ | |
5030 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
5031 | return -1; | |
5032 | break; | |
5033 | ||
5034 | /* 0xb3ce-0xb3cf undefined */ | |
5035 | /* 0xb3e6 undefined */ | |
5036 | ||
5037 | case 0xb3ea: /* CUXTR - convert to unsigned packed */ | |
5038 | case 0xb3eb: /* CSXTR - convert to signed packed */ | |
5039 | case 0xb90d: /* DSGR - divide single */ | |
5040 | case 0xb91d: /* DSGFR - divide single */ | |
5041 | case 0xb986: /* MLGR - multiply logical */ | |
5042 | case 0xb987: /* DLGR - divide logical */ | |
55efceab | 5043 | case 0xb9ec: /* MGRK - multiply 64x64 -> 128 */ |
566c56c9 MK |
5044 | /* 64-bit gpr pair destination */ |
5045 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
5046 | return -1; | |
5047 | if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1)) | |
5048 | return -1; | |
5049 | break; | |
5050 | ||
5051 | /* 0xb3ee undefined */ | |
5052 | /* 0xb3f0 undefined */ | |
5053 | /* 0xb3f8 undefined */ | |
5054 | ||
5055 | /* 0xb905 privileged */ | |
5056 | ||
5057 | /* 0xb90e unsupported: EREGG */ | |
5058 | ||
5059 | /* 0xb915 undefined */ | |
5060 | ||
5061 | case 0xb91e: /* KMAC - compute message authentication code [partial] */ | |
5062 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5063 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5064 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5065 | tmp &= 0xff; | |
5066 | switch (tmp) | |
5067 | { | |
5068 | case 0x00: /* KMAC-Query */ | |
5069 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5070 | return -1; | |
5071 | break; | |
5072 | ||
5073 | case 0x01: /* KMAC-DEA */ | |
5074 | case 0x02: /* KMAC-TDEA-128 */ | |
5075 | case 0x03: /* KMAC-TDEA-192 */ | |
5076 | case 0x09: /* KMAC-Encrypted-DEA */ | |
5077 | case 0x0a: /* KMAC-Encrypted-TDEA-128 */ | |
5078 | case 0x0b: /* KMAC-Encrypted-TDEA-192 */ | |
5079 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5080 | return -1; | |
5081 | break; | |
5082 | ||
5083 | case 0x12: /* KMAC-AES-128 */ | |
5084 | case 0x13: /* KMAC-AES-192 */ | |
5085 | case 0x14: /* KMAC-AES-256 */ | |
5086 | case 0x1a: /* KMAC-Encrypted-AES-128 */ | |
5087 | case 0x1b: /* KMAC-Encrypted-AES-192 */ | |
5088 | case 0x1c: /* KMAC-Encrypted-AES-256 */ | |
5089 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5090 | return -1; | |
5091 | break; | |
5092 | ||
5093 | default: | |
5094 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n", | |
5095 | (int)tmp, paddress (gdbarch, addr)); | |
5096 | return -1; | |
5097 | } | |
5098 | if (tmp != 0) | |
5099 | { | |
5100 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5101 | return -1; | |
5102 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5103 | return -1; | |
5104 | } | |
5105 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5106 | return -1; | |
5107 | break; | |
5108 | ||
5109 | /* 0xb922-0xb924 undefined */ | |
5110 | /* 0xb925 privileged */ | |
5111 | /* 0xb928 privileged */ | |
566c56c9 | 5112 | |
55efceab | 5113 | case 0xb929: /* KMA - cipher message with authentication */ |
566c56c9 MK |
5114 | case 0xb92a: /* KMF - cipher message with cipher feedback [partial] */ |
5115 | case 0xb92b: /* KMO - cipher message with output feedback [partial] */ | |
5116 | case 0xb92f: /* KMC - cipher message with chaining [partial] */ | |
5117 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5118 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5119 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5120 | tmp &= 0x7f; | |
5121 | switch (tmp) | |
5122 | { | |
5123 | case 0x00: /* KM*-Query */ | |
5124 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5125 | return -1; | |
5126 | break; | |
5127 | ||
5128 | case 0x01: /* KM*-DEA */ | |
5129 | case 0x02: /* KM*-TDEA-128 */ | |
5130 | case 0x03: /* KM*-TDEA-192 */ | |
5131 | case 0x09: /* KM*-Encrypted-DEA */ | |
5132 | case 0x0a: /* KM*-Encrypted-TDEA-128 */ | |
5133 | case 0x0b: /* KM*-Encrypted-TDEA-192 */ | |
5134 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5135 | return -1; | |
5136 | break; | |
5137 | ||
5138 | case 0x12: /* KM*-AES-128 */ | |
5139 | case 0x13: /* KM*-AES-192 */ | |
5140 | case 0x14: /* KM*-AES-256 */ | |
5141 | case 0x1a: /* KM*-Encrypted-AES-128 */ | |
5142 | case 0x1b: /* KM*-Encrypted-AES-192 */ | |
5143 | case 0x1c: /* KM*-Encrypted-AES-256 */ | |
5144 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5145 | return -1; | |
5146 | break; | |
5147 | ||
5148 | case 0x43: /* KMC-PRNG */ | |
5149 | /* Only valid for KMC. */ | |
5150 | if (insn[0] == 0xb92f) | |
5151 | { | |
5152 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5153 | return -1; | |
5154 | break; | |
5155 | } | |
5156 | /* For other instructions, fallthru. */ | |
5157 | default: | |
5158 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM* function %02x at %s.\n", | |
5159 | (int)tmp, paddress (gdbarch, addr)); | |
5160 | return -1; | |
5161 | } | |
5162 | if (tmp != 0) | |
5163 | { | |
5164 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
5165 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); | |
5166 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp); | |
5167 | if (record_full_arch_list_add_mem (oaddr2, tmp)) | |
5168 | return -1; | |
5169 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5170 | return -1; | |
5171 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5172 | return -1; | |
5173 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5174 | return -1; | |
5175 | } | |
55efceab AA |
5176 | if (tmp != 0 && insn[0] == 0xb929) |
5177 | { | |
5178 | if (record_full_arch_list_add_reg (regcache, | |
5179 | S390_R0_REGNUM + inib[4])) | |
5180 | return -1; | |
5181 | if (record_full_arch_list_add_reg (regcache, | |
5182 | S390_R0_REGNUM + (inib[4] | 1))) | |
5183 | return -1; | |
5184 | } | |
566c56c9 MK |
5185 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) |
5186 | return -1; | |
5187 | break; | |
5188 | ||
5189 | case 0xb92c: /* PCC - perform cryptographic computation [partial] */ | |
5190 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5191 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5192 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5193 | tmp &= 0x7f; | |
5194 | switch (tmp) | |
5195 | { | |
5196 | case 0x00: /* PCC-Query */ | |
5197 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5198 | return -1; | |
5199 | break; | |
5200 | ||
5201 | case 0x01: /* PCC-Compute-Last-Block-CMAC-Using-DEA */ | |
5202 | case 0x02: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-128 */ | |
5203 | case 0x03: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-192 */ | |
5204 | case 0x09: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-DEA */ | |
5205 | case 0x0a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-128 */ | |
5206 | case 0x0b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-192 */ | |
5207 | if (record_full_arch_list_add_mem (oaddr + 0x10, 8)) | |
5208 | return -1; | |
5209 | break; | |
5210 | ||
5211 | case 0x12: /* PCC-Compute-Last-Block-CMAC-Using-AES-128 */ | |
5212 | case 0x13: /* PCC-Compute-Last-Block-CMAC-Using-AES-192 */ | |
5213 | case 0x14: /* PCC-Compute-Last-Block-CMAC-Using-AES-256 */ | |
5214 | case 0x1a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-128 */ | |
5215 | case 0x1b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-192 */ | |
5216 | case 0x1c: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-256 */ | |
5217 | if (record_full_arch_list_add_mem (oaddr + 0x18, 16)) | |
5218 | return -1; | |
5219 | break; | |
5220 | ||
5221 | case 0x32: /* PCC-Compute-XTS-Parameter-Using-AES-128 */ | |
5222 | if (record_full_arch_list_add_mem (oaddr + 0x30, 32)) | |
5223 | return -1; | |
5224 | break; | |
5225 | ||
5226 | case 0x34: /* PCC-Compute-XTS-Parameter-Using-AES-256 */ | |
5227 | if (record_full_arch_list_add_mem (oaddr + 0x40, 32)) | |
5228 | return -1; | |
5229 | break; | |
5230 | ||
5231 | case 0x3a: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-128 */ | |
5232 | if (record_full_arch_list_add_mem (oaddr + 0x50, 32)) | |
5233 | return -1; | |
5234 | break; | |
5235 | ||
5236 | case 0x3c: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-256 */ | |
5237 | if (record_full_arch_list_add_mem (oaddr + 0x60, 32)) | |
5238 | return -1; | |
5239 | break; | |
5240 | ||
5241 | default: | |
5242 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PCC function %02x at %s.\n", | |
5243 | (int)tmp, paddress (gdbarch, addr)); | |
5244 | return -1; | |
5245 | } | |
5246 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5247 | return -1; | |
5248 | break; | |
5249 | ||
5250 | case 0xb92d: /* KMCTR - cipher message with counter [partial] */ | |
5251 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5252 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5253 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5254 | tmp &= 0x7f; | |
5255 | switch (tmp) | |
5256 | { | |
5257 | case 0x00: /* KMCTR-Query */ | |
5258 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5259 | return -1; | |
5260 | break; | |
5261 | ||
5262 | case 0x01: /* KMCTR-DEA */ | |
5263 | case 0x02: /* KMCTR-TDEA-128 */ | |
5264 | case 0x03: /* KMCTR-TDEA-192 */ | |
5265 | case 0x09: /* KMCTR-Encrypted-DEA */ | |
5266 | case 0x0a: /* KMCTR-Encrypted-TDEA-128 */ | |
5267 | case 0x0b: /* KMCTR-Encrypted-TDEA-192 */ | |
5268 | case 0x12: /* KMCTR-AES-128 */ | |
5269 | case 0x13: /* KMCTR-AES-192 */ | |
5270 | case 0x14: /* KMCTR-AES-256 */ | |
5271 | case 0x1a: /* KMCTR-Encrypted-AES-128 */ | |
5272 | case 0x1b: /* KMCTR-Encrypted-AES-192 */ | |
5273 | case 0x1c: /* KMCTR-Encrypted-AES-256 */ | |
5274 | break; | |
5275 | ||
5276 | default: | |
5277 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMCTR function %02x at %s.\n", | |
5278 | (int)tmp, paddress (gdbarch, addr)); | |
5279 | return -1; | |
5280 | } | |
5281 | if (tmp != 0) | |
5282 | { | |
5283 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
5284 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); | |
5285 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp); | |
5286 | if (record_full_arch_list_add_mem (oaddr2, tmp)) | |
5287 | return -1; | |
5288 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5289 | return -1; | |
5290 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5291 | return -1; | |
5292 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5293 | return -1; | |
5294 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[4])) | |
5295 | return -1; | |
5296 | } | |
5297 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5298 | return -1; | |
5299 | break; | |
5300 | ||
5301 | case 0xb92e: /* KM - cipher message [partial] */ | |
5302 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5303 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5304 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5305 | tmp &= 0x7f; | |
5306 | switch (tmp) | |
5307 | { | |
5308 | case 0x00: /* KM-Query */ | |
5309 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5310 | return -1; | |
5311 | break; | |
5312 | ||
5313 | case 0x01: /* KM-DEA */ | |
5314 | case 0x02: /* KM-TDEA-128 */ | |
5315 | case 0x03: /* KM-TDEA-192 */ | |
5316 | case 0x09: /* KM-Encrypted-DEA */ | |
5317 | case 0x0a: /* KM-Encrypted-TDEA-128 */ | |
5318 | case 0x0b: /* KM-Encrypted-TDEA-192 */ | |
5319 | case 0x12: /* KM-AES-128 */ | |
5320 | case 0x13: /* KM-AES-192 */ | |
5321 | case 0x14: /* KM-AES-256 */ | |
5322 | case 0x1a: /* KM-Encrypted-AES-128 */ | |
5323 | case 0x1b: /* KM-Encrypted-AES-192 */ | |
5324 | case 0x1c: /* KM-Encrypted-AES-256 */ | |
5325 | break; | |
5326 | ||
5327 | case 0x32: /* KM-XTS-AES-128 */ | |
5328 | if (record_full_arch_list_add_mem (oaddr + 0x10, 16)) | |
5329 | return -1; | |
5330 | break; | |
5331 | ||
5332 | case 0x34: /* KM-XTS-AES-256 */ | |
5333 | if (record_full_arch_list_add_mem (oaddr + 0x20, 16)) | |
5334 | return -1; | |
5335 | break; | |
5336 | ||
5337 | case 0x3a: /* KM-XTS-Encrypted-AES-128 */ | |
5338 | if (record_full_arch_list_add_mem (oaddr + 0x30, 16)) | |
5339 | return -1; | |
5340 | break; | |
5341 | ||
5342 | case 0x3c: /* KM-XTS-Encrypted-AES-256 */ | |
5343 | if (record_full_arch_list_add_mem (oaddr + 0x40, 16)) | |
5344 | return -1; | |
5345 | break; | |
5346 | ||
5347 | default: | |
5348 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM function %02x at %s.\n", | |
5349 | (int)tmp, paddress (gdbarch, addr)); | |
5350 | return -1; | |
5351 | } | |
5352 | if (tmp != 0) | |
5353 | { | |
5354 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
5355 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); | |
5356 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp); | |
5357 | if (record_full_arch_list_add_mem (oaddr2, tmp)) | |
5358 | return -1; | |
5359 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5360 | return -1; | |
5361 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5362 | return -1; | |
5363 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5364 | return -1; | |
5365 | } | |
5366 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5367 | return -1; | |
5368 | break; | |
5369 | ||
5370 | /* 0xb932-0xb93b undefined */ | |
5371 | ||
5372 | case 0xb93c: /* PPNO - perform pseudorandom number operation [partial] */ | |
5373 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5374 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5375 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5376 | tmp &= 0xff; | |
5377 | switch (tmp) | |
5378 | { | |
5379 | case 0x00: /* PPNO-Query */ | |
5380 | case 0x80: /* PPNO-Query */ | |
5381 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5382 | return -1; | |
5383 | break; | |
5384 | ||
5385 | case 0x03: /* PPNO-SHA-512-DRNG - generate */ | |
5386 | if (record_full_arch_list_add_mem (oaddr, 240)) | |
5387 | return -1; | |
5388 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
5389 | oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp); | |
5390 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
5391 | if (record_full_arch_list_add_mem (oaddr2, tmp)) | |
5392 | return -1; | |
5393 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5394 | return -1; | |
5395 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
5396 | return -1; | |
5397 | break; | |
5398 | ||
5399 | case 0x83: /* PPNO-SHA-512-DRNG - seed */ | |
5400 | if (record_full_arch_list_add_mem (oaddr, 240)) | |
5401 | return -1; | |
5402 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5403 | return -1; | |
5404 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5405 | return -1; | |
5406 | break; | |
5407 | ||
5408 | default: | |
5409 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PPNO function %02x at %s.\n", | |
5410 | (int)tmp, paddress (gdbarch, addr)); | |
5411 | return -1; | |
5412 | } | |
5413 | /* DXC may be written */ | |
5414 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5415 | return -1; | |
5416 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5417 | return -1; | |
5418 | break; | |
5419 | ||
5420 | /* 0xb93d undefined */ | |
5421 | ||
5422 | case 0xb93e: /* KIMD - compute intermediate message digest [partial] */ | |
5423 | case 0xb93f: /* KLMD - compute last message digest [partial] */ | |
5424 | regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp); | |
5425 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5426 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5427 | tmp &= 0xff; | |
5428 | switch (tmp) | |
5429 | { | |
5430 | case 0x00: /* K*MD-Query */ | |
5431 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5432 | return -1; | |
5433 | break; | |
5434 | ||
5435 | case 0x01: /* K*MD-SHA-1 */ | |
5436 | if (record_full_arch_list_add_mem (oaddr, 20)) | |
5437 | return -1; | |
5438 | break; | |
5439 | ||
5440 | case 0x02: /* K*MD-SHA-256 */ | |
5441 | if (record_full_arch_list_add_mem (oaddr, 32)) | |
5442 | return -1; | |
5443 | break; | |
5444 | ||
5445 | case 0x03: /* K*MD-SHA-512 */ | |
5446 | if (record_full_arch_list_add_mem (oaddr, 64)) | |
5447 | return -1; | |
5448 | break; | |
5449 | ||
5450 | case 0x41: /* KIMD-GHASH */ | |
5451 | /* Only valid for KIMD. */ | |
5452 | if (insn[0] == 0xb93e) | |
5453 | { | |
5454 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5455 | return -1; | |
5456 | break; | |
5457 | } | |
5458 | /* For KLMD, fallthru. */ | |
5459 | default: | |
5460 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n", | |
5461 | (int)tmp, paddress (gdbarch, addr)); | |
5462 | return -1; | |
5463 | } | |
5464 | if (tmp != 0) | |
5465 | { | |
5466 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5467 | return -1; | |
5468 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1))) | |
5469 | return -1; | |
5470 | } | |
5471 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5472 | return -1; | |
5473 | break; | |
5474 | ||
5475 | /* 0xb940 undefined */ | |
5476 | /* 0xb944-0xb945 undefined */ | |
5477 | /* 0xb947-0xb948 undefined */ | |
5478 | /* 0xb94c-0xb950 undefined */ | |
5479 | /* 0xb954-0xb958 undefined */ | |
5480 | /* 0xb95c-0xb95f undefined */ | |
5481 | /* 0xb962-0xb971 undefined */ | |
5482 | /* 0xb974-0xb97f undefined */ | |
5483 | ||
5484 | case 0xb983: /* FLOGR - find leftmost one */ | |
5485 | /* 64-bit gpr pair destination + flags */ | |
5486 | if (s390_record_gpr_g (gdbarch, regcache, inib[6])) | |
5487 | return -1; | |
5488 | if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1)) | |
5489 | return -1; | |
5490 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5491 | return -1; | |
5492 | break; | |
5493 | ||
5494 | /* 0xb98a privileged */ | |
5495 | /* 0xb98b-0xb98c undefined */ | |
5496 | ||
5497 | case 0xb98d: /* EPSW - extract psw */ | |
5498 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5499 | return -1; | |
5500 | if (inib[7]) | |
5501 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5502 | return -1; | |
5503 | break; | |
5504 | ||
5505 | /* 0xb98e-0xb98f privileged */ | |
5506 | ||
5507 | case 0xb990: /* TRTT - translate two to two [partial] */ | |
5508 | case 0xb991: /* TRTO - translate two to one [partial] */ | |
5509 | case 0xb992: /* TROT - translate one to two [partial] */ | |
5510 | case 0xb993: /* TROO - translate one to one [partial] */ | |
5511 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp); | |
5512 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
5513 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp); | |
5514 | /* tmp is source length, we want destination length. Adjust. */ | |
5515 | if (insn[0] == 0xb991) | |
5516 | tmp >>= 1; | |
5517 | if (insn[0] == 0xb992) | |
5518 | tmp <<= 1; | |
5519 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
5520 | return -1; | |
5521 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5522 | return -1; | |
5523 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
5524 | return -1; | |
5525 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5526 | return -1; | |
5527 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5528 | return -1; | |
5529 | break; | |
5530 | ||
5531 | case 0xb996: /* MLR - multiply logical */ | |
5532 | case 0xb997: /* DLR - divide logical */ | |
5533 | /* 32-bit gpr pair destination */ | |
5534 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5535 | return -1; | |
5536 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
5537 | return -1; | |
5538 | break; | |
5539 | ||
5540 | /* 0xb99a-0xb9af unsupported, privileged, or undefined */ | |
5541 | /* 0xb9b4-0xb9bc undefined */ | |
5542 | ||
5543 | case 0xb9bd: /* TRTRE - translate and test reverse extended [partial] */ | |
5544 | case 0xb9bf: /* TRTE - translate and test extended [partial] */ | |
5545 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6])) | |
5546 | return -1; | |
5547 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1))) | |
5548 | return -1; | |
5549 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7])) | |
5550 | return -1; | |
5551 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5552 | return -1; | |
5553 | break; | |
5554 | ||
5555 | /* 0xb9c0-0xb9c7 undefined */ | |
5556 | ||
5557 | case 0xb9c8: /* AHHHR - add high */ | |
5558 | case 0xb9c9: /* SHHHR - subtract high */ | |
5559 | case 0xb9ca: /* ALHHHR - add logical high */ | |
5560 | case 0xb9cb: /* SLHHHR - subtract logical high */ | |
5561 | case 0xb9d8: /* AHHLR - add high */ | |
5562 | case 0xb9d9: /* SHHLR - subtract high */ | |
5563 | case 0xb9da: /* ALHHLR - add logical high */ | |
5564 | case 0xb9db: /* SLHHLR - subtract logical high */ | |
5565 | /* 32-bit high gpr destination + flags */ | |
5566 | if (s390_record_gpr_h (gdbarch, regcache, inib[6])) | |
5567 | return -1; | |
5568 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5569 | return -1; | |
5570 | break; | |
5571 | ||
5572 | /* 0xb9cc undefined */ | |
5573 | /* 0xb9ce undefined */ | |
5574 | /* 0xb9d0-0xb9d7 undefined */ | |
5575 | /* 0xb9dc undefined */ | |
5576 | /* 0xb9de undefined */ | |
5577 | ||
5578 | case 0xb9e0: /* LOCFHR - load high on condition */ | |
5579 | /* 32-bit high gpr destination */ | |
5580 | if (s390_record_gpr_h (gdbarch, regcache, inib[6])) | |
5581 | return -1; | |
5582 | break; | |
5583 | ||
5584 | /* 0xb9e3 undefined */ | |
5585 | /* 0xb9e5 undefined */ | |
55efceab | 5586 | /* 0xb9ee-0xb9f1 undefined */ |
566c56c9 MK |
5587 | /* 0xb9f3 undefined */ |
5588 | /* 0xb9f5 undefined */ | |
55efceab AA |
5589 | /* 0xb9fc undefined */ |
5590 | /* 0xb9fe -0xb9ff undefined */ | |
566c56c9 MK |
5591 | |
5592 | default: | |
5593 | goto UNKNOWN_OP; | |
5594 | } | |
5595 | break; | |
5596 | ||
5597 | /* 0xb4-0xb5 undefined */ | |
5598 | /* 0xb6 privileged: STCTL - store control */ | |
5599 | /* 0xb7 privileged: LCTL - load control */ | |
5600 | /* 0xb8 undefined */ | |
5601 | ||
5602 | case 0xba: /* CS - compare and swap */ | |
5603 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5604 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
5605 | return -1; | |
5606 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5607 | return -1; | |
5608 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5609 | return -1; | |
5610 | break; | |
5611 | ||
5612 | case 0xbb: /* CDS - compare double and swap */ | |
5613 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5614 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5615 | return -1; | |
5616 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5617 | return -1; | |
5618 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
5619 | return -1; | |
5620 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5621 | return -1; | |
5622 | break; | |
5623 | ||
5624 | /* 0xbc undefined */ | |
5625 | ||
5626 | case 0xbe: /* STCM - store characters under mask */ | |
5627 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5628 | if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3]))) | |
5629 | return -1; | |
5630 | break; | |
5631 | ||
5632 | case 0xc0: | |
5633 | case 0xc2: | |
5634 | case 0xc4: | |
5635 | case 0xc6: | |
5636 | case 0xcc: | |
5637 | /* RIL-format instruction */ | |
5638 | switch (ibyte[0] << 4 | inib[3]) | |
5639 | { | |
5640 | case 0xc00: /* LARL - load address relative long */ | |
5641 | case 0xc05: /* BRASL - branch relative and save long */ | |
5642 | case 0xc09: /* IILF - insert immediate */ | |
5643 | case 0xc21: /* MSFI - multiply single immediate */ | |
5644 | case 0xc42: /* LLHRL - load logical halfword relative long */ | |
5645 | case 0xc45: /* LHRL - load halfword relative long */ | |
5646 | case 0xc4d: /* LRL - load relative long */ | |
5647 | /* 32-bit or native gpr destination */ | |
5648 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5649 | return -1; | |
5650 | break; | |
5651 | ||
5652 | case 0xc01: /* LGFI - load immediate */ | |
5653 | case 0xc0e: /* LLIHF - load logical immediate */ | |
5654 | case 0xc0f: /* LLILF - load logical immediate */ | |
5655 | case 0xc20: /* MSGFI - multiply single immediate */ | |
5656 | case 0xc44: /* LGHRL - load halfword relative long */ | |
5657 | case 0xc46: /* LLGHRL - load logical halfword relative long */ | |
5658 | case 0xc48: /* LGRL - load relative long */ | |
5659 | case 0xc4c: /* LGFRL - load relative long */ | |
5660 | case 0xc4e: /* LLGFRL - load logical relative long */ | |
5661 | /* 64-bit gpr destination */ | |
5662 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5663 | return -1; | |
5664 | break; | |
5665 | ||
5666 | /* 0xc02-0xc03 undefined */ | |
5667 | ||
5668 | case 0xc04: /* BRCL - branch relative on condition long */ | |
5669 | case 0xc62: /* PFDRL - prefetch data relative long */ | |
5670 | break; | |
5671 | ||
5672 | case 0xc06: /* XIHF - xor immediate */ | |
5673 | case 0xc0a: /* NIHF - and immediate */ | |
5674 | case 0xc0c: /* OIHF - or immediate */ | |
5675 | case 0xcc8: /* AIH - add immediate high */ | |
5676 | case 0xcca: /* ALSIH - add logical with signed immediate high */ | |
5677 | /* 32-bit high gpr destination + flags */ | |
5678 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
5679 | return -1; | |
5680 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5681 | return -1; | |
5682 | break; | |
5683 | ||
5684 | case 0xc07: /* XILF - xor immediate */ | |
5685 | case 0xc0b: /* NILF - and immediate */ | |
5686 | case 0xc0d: /* OILF - or immediate */ | |
5687 | case 0xc25: /* SLFI - subtract logical immediate */ | |
5688 | case 0xc29: /* AFI - add immediate */ | |
5689 | case 0xc2b: /* ALFI - add logical immediate */ | |
5690 | /* 32-bit gpr destination + flags */ | |
5691 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5692 | return -1; | |
5693 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5694 | return -1; | |
5695 | break; | |
5696 | ||
5697 | case 0xc08: /* IIHF - insert immediate */ | |
5698 | case 0xcc6: /* BRCTH - branch relative on count high */ | |
5699 | case 0xccb: /* ALSIHN - add logical with signed immediate high */ | |
5700 | /* 32-bit high gpr destination */ | |
5701 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
5702 | return -1; | |
5703 | break; | |
5704 | ||
5705 | /* 0xc22-0xc23 undefined */ | |
5706 | ||
5707 | case 0xc24: /* SLGFI - subtract logical immediate */ | |
5708 | case 0xc28: /* AGFI - add immediate */ | |
5709 | case 0xc2a: /* ALGFI - add logical immediate */ | |
5710 | /* 64-bit gpr destination + flags */ | |
5711 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5712 | return -1; | |
5713 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5714 | return -1; | |
5715 | break; | |
5716 | ||
5717 | /* 0xc26-0xc27 undefined */ | |
5718 | ||
5719 | case 0xc2c: /* CGFI - compare immediate */ | |
5720 | case 0xc2d: /* CFI - compare immediate */ | |
5721 | case 0xc2e: /* CLGFI - compare logical immediate */ | |
5722 | case 0xc2f: /* CLFI - compare logical immediate */ | |
5723 | case 0xc64: /* CGHRL - compare halfword relative long */ | |
5724 | case 0xc65: /* CHRL - compare halfword relative long */ | |
5725 | case 0xc66: /* CLGHRL - compare logical halfword relative long */ | |
5726 | case 0xc67: /* CLHRL - compare logical halfword relative long */ | |
5727 | case 0xc68: /* CGRL - compare relative long */ | |
5728 | case 0xc6a: /* CLGRL - compare logical relative long */ | |
5729 | case 0xc6c: /* CGFRL - compare relative long */ | |
5730 | case 0xc6d: /* CRL - compare relative long */ | |
5731 | case 0xc6e: /* CLGFRL - compare logical relative long */ | |
5732 | case 0xc6f: /* CLRL - compare logical relative long */ | |
5733 | case 0xccd: /* CIH - compare immediate high */ | |
5734 | case 0xccf: /* CLIH - compare logical immediate high */ | |
5735 | /* flags only */ | |
5736 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5737 | return -1; | |
5738 | break; | |
5739 | ||
5740 | /* 0xc40-0xc41 undefined */ | |
5741 | /* 0xc43 undefined */ | |
5742 | ||
5743 | case 0xc47: /* STHRL - store halfword relative long */ | |
5744 | oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); | |
5745 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
5746 | return -1; | |
5747 | break; | |
5748 | ||
5749 | /* 0xc49-0xc4a undefined */ | |
5750 | ||
5751 | case 0xc4b: /* STGRL - store relative long */ | |
5752 | oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); | |
5753 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5754 | return -1; | |
5755 | break; | |
5756 | ||
5757 | case 0xc4f: /* STRL - store relative long */ | |
5758 | oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); | |
5759 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
5760 | return -1; | |
5761 | break; | |
5762 | ||
5763 | case 0xc60: /* EXRL - execute relative long */ | |
5764 | if (ex != -1) | |
5765 | { | |
5766 | fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n", | |
5767 | paddress (gdbarch, addr)); | |
5768 | return -1; | |
5769 | } | |
5770 | addr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]); | |
5771 | if (inib[2]) | |
5772 | { | |
5773 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
5774 | ex = tmp & 0xff; | |
5775 | } | |
5776 | else | |
5777 | { | |
5778 | ex = 0; | |
5779 | } | |
5780 | goto ex; | |
5781 | ||
5782 | /* 0xc61 undefined */ | |
5783 | /* 0xc63 undefined */ | |
5784 | /* 0xc69 undefined */ | |
5785 | /* 0xc6b undefined */ | |
5786 | /* 0xcc0-0xcc5 undefined */ | |
5787 | /* 0xcc7 undefined */ | |
5788 | /* 0xcc9 undefined */ | |
5789 | /* 0xccc undefined */ | |
5790 | /* 0xcce undefined */ | |
5791 | ||
5792 | default: | |
5793 | goto UNKNOWN_OP; | |
5794 | } | |
5795 | break; | |
5796 | ||
5797 | /* 0xc1 undefined */ | |
5798 | /* 0xc3 undefined */ | |
5799 | ||
5800 | case 0xc5: /* BPRP - branch prediction relative preload */ | |
5801 | case 0xc7: /* BPP - branch prediction preload */ | |
5802 | /* no visible effect */ | |
5803 | break; | |
5804 | ||
5805 | case 0xc8: | |
5806 | /* SSF-format instruction */ | |
5807 | switch (ibyte[0] << 4 | inib[3]) | |
5808 | { | |
5809 | /* 0xc80 unsupported */ | |
5810 | ||
5811 | case 0xc81: /* ECTG - extract cpu time */ | |
5812 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5813 | return -1; | |
5814 | if (s390_record_gpr_g (gdbarch, regcache, 0)) | |
5815 | return -1; | |
5816 | if (s390_record_gpr_g (gdbarch, regcache, 1)) | |
5817 | return -1; | |
5818 | break; | |
5819 | ||
5820 | case 0xc82: /* CSST - compare and swap and store */ | |
5821 | { | |
5822 | uint8_t fc, sc; | |
5823 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
5824 | fc = tmp & 0xff; | |
5825 | sc = tmp >> 8 & 0xff; | |
5826 | ||
5827 | /* First and third operands. */ | |
5828 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5829 | switch (fc) | |
5830 | { | |
5831 | case 0x00: /* 32-bit */ | |
5832 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5833 | return -1; | |
5834 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
5835 | return -1; | |
5836 | break; | |
5837 | ||
5838 | case 0x01: /* 64-bit */ | |
5839 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5840 | return -1; | |
5841 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
5842 | return -1; | |
5843 | break; | |
5844 | ||
5845 | case 0x02: /* 128-bit */ | |
5846 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5847 | return -1; | |
5848 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) | |
5849 | return -1; | |
5850 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5851 | return -1; | |
5852 | break; | |
5853 | ||
5854 | default: | |
5855 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n", | |
5856 | fc, paddress (gdbarch, addr)); | |
5857 | return -1; | |
5858 | } | |
5859 | ||
5860 | /* Second operand. */ | |
5861 | oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0); | |
5862 | if (sc > 4) | |
5863 | { | |
5864 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n", | |
5865 | sc, paddress (gdbarch, addr)); | |
5866 | return -1; | |
5867 | } | |
5868 | ||
5869 | if (record_full_arch_list_add_mem (oaddr2, 1 << sc)) | |
5870 | return -1; | |
5871 | ||
5872 | /* Flags. */ | |
5873 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5874 | return -1; | |
5875 | } | |
5876 | break; | |
5877 | ||
5878 | /* 0xc83 undefined */ | |
5879 | ||
5880 | case 0xc84: /* LPD - load pair disjoint */ | |
5881 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
5882 | return -1; | |
5883 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
5884 | return -1; | |
5885 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5886 | return -1; | |
5887 | break; | |
5888 | ||
5889 | case 0xc85: /* LPDG - load pair disjoint */ | |
5890 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
5891 | return -1; | |
5892 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) | |
5893 | return -1; | |
5894 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5895 | return -1; | |
5896 | break; | |
5897 | ||
5898 | /* 0xc86-0xc8f undefined */ | |
5899 | ||
5900 | default: | |
5901 | goto UNKNOWN_OP; | |
5902 | } | |
5903 | break; | |
5904 | ||
5905 | /* 0xc9-0xcb undefined */ | |
5906 | /* 0xcd-0xcf undefined */ | |
5907 | ||
5908 | case 0xd0: /* TRTR - translate and test reversed */ | |
5909 | case 0xdd: /* TRT - translate and test */ | |
5910 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) | |
5911 | return -1; | |
5912 | if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM)) | |
5913 | return -1; | |
5914 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5915 | return -1; | |
5916 | break; | |
5917 | ||
5918 | case 0xd1: /* MVN - move numbers */ | |
5919 | case 0xd2: /* MVC - move */ | |
5920 | case 0xd3: /* MVZ - move zones */ | |
5921 | case 0xdc: /* TR - translate */ | |
5922 | case 0xe8: /* MVCIN - move inverse */ | |
5923 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5924 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
5925 | return -1; | |
5926 | break; | |
5927 | ||
5928 | case 0xd4: /* NC - and */ | |
5929 | case 0xd6: /* OC - or*/ | |
5930 | case 0xd7: /* XC - xor */ | |
5931 | case 0xe2: /* UNPKU - unpack unicode */ | |
5932 | case 0xea: /* UNPKA - unpack ASCII */ | |
5933 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5934 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
5935 | return -1; | |
5936 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5937 | return -1; | |
5938 | break; | |
5939 | ||
5940 | case 0xde: /* ED - edit */ | |
5941 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5942 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
5943 | return -1; | |
5944 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5945 | return -1; | |
5946 | /* DXC may be written */ | |
5947 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5948 | return -1; | |
5949 | break; | |
5950 | ||
5951 | case 0xdf: /* EDMK - edit and mark */ | |
5952 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5953 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
5954 | return -1; | |
5955 | if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM)) | |
5956 | return -1; | |
5957 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
5958 | return -1; | |
5959 | /* DXC may be written */ | |
5960 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
5961 | return -1; | |
5962 | break; | |
5963 | ||
5964 | /* 0xd8 undefined */ | |
5965 | /* 0xd9 unsupported: MVCK - move with key */ | |
5966 | /* 0xda unsupported: MVCP - move to primary */ | |
5967 | /* 0xdb unsupported: MVCS - move to secondary */ | |
5968 | /* 0xe0 undefined */ | |
5969 | ||
5970 | case 0xe1: /* PKU - pack unicode */ | |
5971 | case 0xe9: /* PKA - pack ASCII */ | |
5972 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
5973 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
5974 | return -1; | |
5975 | break; | |
5976 | ||
5977 | case 0xe3: | |
55efceab | 5978 | case 0xe6: |
566c56c9 MK |
5979 | case 0xe7: |
5980 | case 0xeb: | |
5981 | case 0xed: | |
5982 | /* RXY/RXE/RXF/RSL/RSY/SIY/V*-format instruction */ | |
5983 | switch (ibyte[0] << 8 | ibyte[5]) | |
5984 | { | |
5985 | /* 0xe300-0xe301 undefined */ | |
5986 | ||
5987 | case 0xe302: /* LTG - load and test */ | |
5988 | case 0xe308: /* AG - add */ | |
5989 | case 0xe309: /* SG - subtract */ | |
5990 | case 0xe30a: /* ALG - add logical */ | |
5991 | case 0xe30b: /* SLG - subtract logical */ | |
5992 | case 0xe318: /* AGF - add */ | |
5993 | case 0xe319: /* SGF - subtract */ | |
5994 | case 0xe31a: /* ALGF - add logical */ | |
5995 | case 0xe31b: /* SLGF - subtract logical */ | |
5996 | case 0xe332: /* LTGF - load and test */ | |
5997 | case 0xe380: /* NG - and */ | |
5998 | case 0xe381: /* OG - or */ | |
5999 | case 0xe382: /* XG - xor */ | |
6000 | case 0xe388: /* ALCG - add logical with carry */ | |
6001 | case 0xe389: /* SLBG - subtract logical with borrow */ | |
6002 | case 0xeb0a: /* SRAG - shift right single */ | |
6003 | case 0xeb0b: /* SLAG - shift left single */ | |
6004 | /* 64-bit gpr destination + flags */ | |
6005 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6006 | return -1; | |
6007 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6008 | return -1; | |
6009 | break; | |
6010 | ||
6011 | /* 0xe303 privileged */ | |
6012 | ||
6013 | case 0xe304: /* LG - load */ | |
6014 | case 0xe30c: /* MSG - multiply single */ | |
6015 | case 0xe30f: /* LRVG - load reversed */ | |
6016 | case 0xe314: /* LGF - load */ | |
6017 | case 0xe315: /* LGH - load halfword */ | |
6018 | case 0xe316: /* LLGF - load logical */ | |
6019 | case 0xe317: /* LLGT - load logical thirty one bits */ | |
6020 | case 0xe31c: /* MSGF - multiply single */ | |
6021 | case 0xe32a: /* LZRG - load and zero rightmost byte */ | |
6022 | case 0xe33a: /* LLZRGF - load logical and zero rightmost byte */ | |
55efceab | 6023 | case 0xe33c: /* MGH - multiply halfword 64x16mem -> 64 */ |
566c56c9 MK |
6024 | case 0xe346: /* BCTG - branch on count */ |
6025 | case 0xe377: /* LGB - load byte */ | |
6026 | case 0xe390: /* LLGC - load logical character */ | |
6027 | case 0xe391: /* LLGH - load logical halfword */ | |
6028 | case 0xeb0c: /* SRLG - shift right single logical */ | |
6029 | case 0xeb0d: /* SLLG - shift left single logical */ | |
6030 | case 0xeb1c: /* RLLG - rotate left single logical */ | |
6031 | case 0xeb44: /* BXHG - branch on index high */ | |
6032 | case 0xeb45: /* BXLEG - branch on index low or equal */ | |
6033 | case 0xeb4c: /* ECAG - extract cpu attribute */ | |
6034 | case 0xebe2: /* LOCG - load on condition */ | |
6035 | /* 64-bit gpr destination */ | |
6036 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6037 | return -1; | |
6038 | break; | |
6039 | ||
6040 | /* 0xe305 undefined */ | |
6041 | ||
6042 | case 0xe306: /* CVBY - convert to binary */ | |
6043 | /* 32-bit or native gpr destination + FPC (DXC write) */ | |
6044 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6045 | return -1; | |
6046 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6047 | return -1; | |
6048 | break; | |
6049 | ||
6050 | /* 0xe307 undefined */ | |
6051 | ||
6052 | case 0xe30d: /* DSG - divide single */ | |
6053 | case 0xe31d: /* DSGF - divide single */ | |
55efceab | 6054 | case 0xe384: /* MG - multiply 64x64mem -> 128 */ |
566c56c9 MK |
6055 | case 0xe386: /* MLG - multiply logical */ |
6056 | case 0xe387: /* DLG - divide logical */ | |
6057 | case 0xe38f: /* LPQ - load pair from quadword */ | |
6058 | /* 64-bit gpr pair destination */ | |
6059 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6060 | return -1; | |
6061 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) | |
6062 | return -1; | |
6063 | break; | |
6064 | ||
6065 | case 0xe30e: /* CVBG - convert to binary */ | |
6066 | /* 64-bit gpr destination + FPC (DXC write) */ | |
6067 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6068 | return -1; | |
6069 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6070 | return -1; | |
6071 | break; | |
6072 | ||
6073 | /* 0xe310-0xe311 undefined */ | |
6074 | ||
6075 | case 0xe312: /* LT - load and test */ | |
55efceab AA |
6076 | case 0xe338: /* AGH - add halfword to 64 bit value */ |
6077 | case 0xe339: /* SGH - subtract halfword from 64 bit value */ | |
6078 | case 0xe353: /* MSC - multiply single 32x32mem -> 32 */ | |
566c56c9 MK |
6079 | case 0xe354: /* NY - and */ |
6080 | case 0xe356: /* OY - or */ | |
6081 | case 0xe357: /* XY - xor */ | |
6082 | case 0xe35a: /* AY - add */ | |
6083 | case 0xe35b: /* SY - subtract */ | |
6084 | case 0xe35e: /* ALY - add logical */ | |
6085 | case 0xe35f: /* SLY - subtract logical */ | |
6086 | case 0xe37a: /* AHY - add halfword */ | |
6087 | case 0xe37b: /* SHY - subtract halfword */ | |
55efceab | 6088 | case 0xe383: /* MSGC - multiply single 64x64mem -> 64 */ |
566c56c9 MK |
6089 | case 0xe398: /* ALC - add logical with carry */ |
6090 | case 0xe399: /* SLB - subtract logical with borrow */ | |
6091 | case 0xe727: /* LCBB - load count to block bounduary */ | |
6092 | case 0xeb81: /* ICMY - insert characters under mask */ | |
6093 | case 0xebdc: /* SRAK - shift left single */ | |
6094 | case 0xebdd: /* SLAK - shift left single */ | |
55efceab | 6095 | /* 32/64-bit gpr destination + flags */ |
566c56c9 MK |
6096 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) |
6097 | return -1; | |
6098 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6099 | return -1; | |
6100 | break; | |
6101 | ||
6102 | /* 0xe313 privileged */ | |
6103 | ||
6104 | case 0xe31e: /* LRV - load reversed */ | |
6105 | case 0xe31f: /* LRVH - load reversed */ | |
6106 | case 0xe33b: /* LZRF - load and zero rightmost byte */ | |
6107 | case 0xe351: /* MSY - multiply single */ | |
6108 | case 0xe358: /* LY - load */ | |
6109 | case 0xe371: /* LAY - load address */ | |
6110 | case 0xe373: /* ICY - insert character */ | |
6111 | case 0xe376: /* LB - load byte */ | |
6112 | case 0xe378: /* LHY - load */ | |
6113 | case 0xe37c: /* MHY - multiply halfword */ | |
6114 | case 0xe394: /* LLC - load logical character */ | |
6115 | case 0xe395: /* LLH - load logical halfword */ | |
6116 | case 0xeb1d: /* RLL - rotate left single logical */ | |
6117 | case 0xebde: /* SRLK - shift left single logical */ | |
6118 | case 0xebdf: /* SLLK - shift left single logical */ | |
6119 | case 0xebf2: /* LOC - load on condition */ | |
6120 | /* 32-bit or native gpr destination */ | |
6121 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6122 | return -1; | |
6123 | break; | |
6124 | ||
6125 | case 0xe320: /* CG - compare */ | |
6126 | case 0xe321: /* CLG - compare logical */ | |
6127 | case 0xe330: /* CGF - compare */ | |
6128 | case 0xe331: /* CLGF - compare logical */ | |
6129 | case 0xe334: /* CGH - compare halfword */ | |
6130 | case 0xe355: /* CLY - compare logical */ | |
6131 | case 0xe359: /* CY - compare */ | |
6132 | case 0xe379: /* CHY - compare halfword */ | |
6133 | case 0xe3cd: /* CHF - compare high */ | |
6134 | case 0xe3cf: /* CLHF - compare logical high */ | |
6135 | case 0xeb20: /* CLMH - compare logical under mask high */ | |
6136 | case 0xeb21: /* CLMY - compare logical under mask */ | |
6137 | case 0xeb51: /* TMY - test under mask */ | |
6138 | case 0xeb55: /* CLIY - compare logical */ | |
6139 | case 0xebc0: /* TP - test decimal */ | |
6140 | case 0xed10: /* TCEB - test data class */ | |
6141 | case 0xed11: /* TCDB - test data class */ | |
6142 | case 0xed12: /* TCXB - test data class */ | |
6143 | case 0xed50: /* TDCET - test data class */ | |
6144 | case 0xed51: /* TDGET - test data group */ | |
6145 | case 0xed54: /* TDCDT - test data class */ | |
6146 | case 0xed55: /* TDGDT - test data group */ | |
6147 | case 0xed58: /* TDCXT - test data class */ | |
6148 | case 0xed59: /* TDGXT - test data group */ | |
6149 | /* flags only */ | |
6150 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6151 | return -1; | |
6152 | break; | |
6153 | ||
6154 | /* 0xe322-0xe323 undefined */ | |
6155 | ||
6156 | case 0xe324: /* STG - store */ | |
6157 | case 0xe325: /* NTSTG - nontransactional store */ | |
6158 | case 0xe326: /* CVDY - convert to decimal */ | |
6159 | case 0xe32f: /* STRVG - store reversed */ | |
6160 | case 0xebe3: /* STOCG - store on condition */ | |
6161 | case 0xed67: /* STDY - store */ | |
6162 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
6163 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6164 | return -1; | |
6165 | break; | |
6166 | ||
6167 | /* 0xe327-0xe329 undefined */ | |
6168 | /* 0xe32b-0xe32d undefined */ | |
6169 | ||
6170 | case 0xe32e: /* CVDG - convert to decimal */ | |
6171 | case 0xe38e: /* STPQ - store pair to quadword */ | |
6172 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
6173 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
6174 | return -1; | |
6175 | break; | |
6176 | ||
6177 | /* 0xe333 undefined */ | |
6178 | /* 0xe335 undefined */ | |
6179 | ||
6180 | case 0xe336: /* PFD - prefetch data */ | |
6181 | break; | |
6182 | ||
55efceab | 6183 | /* 0xe337 undefined */ |
566c56c9 MK |
6184 | /* 0xe33c-0xe33d undefined */ |
6185 | ||
6186 | case 0xe33e: /* STRV - store reversed */ | |
6187 | case 0xe350: /* STY - store */ | |
6188 | case 0xe3cb: /* STFH - store high */ | |
6189 | case 0xebe1: /* STOCFH - store high on condition */ | |
6190 | case 0xebf3: /* STOC - store on condition */ | |
6191 | case 0xed66: /* STEY - store */ | |
6192 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
6193 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6194 | return -1; | |
6195 | break; | |
6196 | ||
6197 | case 0xe33f: /* STRVH - store reversed */ | |
6198 | case 0xe370: /* STHY - store halfword */ | |
6199 | case 0xe3c7: /* STHH - store halfword high */ | |
6200 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
6201 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
6202 | return -1; | |
6203 | break; | |
6204 | ||
6205 | /* 0xe340-0xe345 undefined */ | |
55efceab AA |
6206 | |
6207 | case 0xe347: /* BIC - branch indirect on condition */ | |
6208 | break; | |
6209 | ||
6210 | /* 0xe348-0xe34f undefined */ | |
6211 | /* 0xe352 undefined */ | |
566c56c9 MK |
6212 | |
6213 | case 0xe35c: /* MFY - multiply */ | |
6214 | case 0xe396: /* ML - multiply logical */ | |
6215 | case 0xe397: /* DL - divide logical */ | |
6216 | /* 32-bit gpr pair destination */ | |
6217 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6218 | return -1; | |
6219 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
6220 | return -1; | |
6221 | break; | |
6222 | ||
6223 | /* 0xe35d undefined */ | |
6224 | /* 0xe360-0xe36f undefined */ | |
6225 | ||
6226 | case 0xe372: /* STCY - store character */ | |
6227 | case 0xe3c3: /* STCH - store character high */ | |
6228 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]); | |
6229 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
6230 | return -1; | |
6231 | break; | |
6232 | ||
6233 | /* 0xe374 undefined */ | |
6234 | ||
6235 | case 0xe375: /* LAEY - load address extended */ | |
6236 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6237 | return -1; | |
6238 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2])) | |
6239 | return -1; | |
6240 | break; | |
6241 | ||
6242 | /* 0xe37d-0xe37f undefined */ | |
566c56c9 MK |
6243 | |
6244 | case 0xe385: /* LGAT - load and trap */ | |
6245 | case 0xe39c: /* LLGTAT - load logical thirty one bits and trap */ | |
6246 | case 0xe39d: /* LLGFAT - load logical and trap */ | |
55efceab AA |
6247 | case 0xe650: /* VCVB - vector convert to binary 32 bit*/ |
6248 | case 0xe652: /* VCVBG - vector convert to binary 64 bit*/ | |
566c56c9 MK |
6249 | case 0xe721: /* VLGV - vector load gr from vr element */ |
6250 | /* 64-bit gpr destination + fpc for possible DXC write */ | |
6251 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6252 | return -1; | |
6253 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6254 | return -1; | |
6255 | break; | |
6256 | ||
6257 | /* 0xe38a-0xe38d undefined */ | |
6258 | /* 0xe392-0xe393 undefined */ | |
6259 | /* 0xe39a-0xe39b undefined */ | |
6260 | /* 0xe39e undefined */ | |
6261 | ||
6262 | case 0xe39f: /* LAT - load and trap */ | |
6263 | /* 32-bit gpr destination + fpc for possible DXC write */ | |
6264 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6265 | return -1; | |
6266 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6267 | return -1; | |
6268 | break; | |
6269 | ||
6270 | /* 0xe3a0-0xe3bf undefined */ | |
6271 | ||
6272 | case 0xe3c0: /* LBH - load byte high */ | |
6273 | case 0xe3c2: /* LLCH - load logical character high */ | |
6274 | case 0xe3c4: /* LHH - load halfword high */ | |
6275 | case 0xe3c6: /* LLHH - load logical halfword high */ | |
6276 | case 0xe3ca: /* LFH - load high */ | |
6277 | case 0xebe0: /* LOCFH - load high on condition */ | |
6278 | /* 32-bit high gpr destination */ | |
6279 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
6280 | return -1; | |
6281 | break; | |
6282 | ||
6283 | /* 0xe3c1 undefined */ | |
6284 | /* 0xe3c5 undefined */ | |
6285 | ||
6286 | case 0xe3c8: /* LFHAT - load high and trap */ | |
6287 | /* 32-bit high gpr destination + fpc for possible DXC write */ | |
6288 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
6289 | return -1; | |
6290 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6291 | return -1; | |
6292 | break; | |
6293 | ||
6294 | /* 0xe3c9 undefined */ | |
6295 | /* 0xe3cc undefined */ | |
6296 | /* 0xe3ce undefined */ | |
6297 | /* 0xe3d0-0xe3ff undefined */ | |
6298 | ||
55efceab AA |
6299 | case 0xe634: /* VPKZ - vector pack zoned */ |
6300 | case 0xe635: /* VLRL - vector load rightmost with immed. length */ | |
6301 | case 0xe637: /* VLRLR - vector load rightmost with length */ | |
6302 | case 0xe649: /* VLIP - vector load immediate decimal */ | |
566c56c9 MK |
6303 | case 0xe700: /* VLEB - vector load element */ |
6304 | case 0xe701: /* VLEH - vector load element */ | |
6305 | case 0xe702: /* VLEG - vector load element */ | |
6306 | case 0xe703: /* VLEF - vector load element */ | |
6307 | case 0xe704: /* VLLEZ - vector load logical element and zero */ | |
6308 | case 0xe705: /* VLREP - vector load and replicate */ | |
6309 | case 0xe706: /* VL - vector load */ | |
6310 | case 0xe707: /* VLBB - vector load to block bounduary */ | |
6311 | case 0xe712: /* VGEG - vector gather element */ | |
6312 | case 0xe713: /* VGEF - vector gather element */ | |
6313 | case 0xe722: /* VLVG - vector load vr element from gr */ | |
6314 | case 0xe730: /* VESL - vector element shift left */ | |
6315 | case 0xe733: /* VERLL - vector element rotate left logical */ | |
6316 | case 0xe737: /* VLL - vector load with length */ | |
6317 | case 0xe738: /* VESRL - vector element shift right logical */ | |
6318 | case 0xe73a: /* VESRA - vector element shift right arithmetic */ | |
6319 | case 0xe740: /* VLEIB - vector load element immediate */ | |
6320 | case 0xe741: /* VLEIH - vector load element immediate */ | |
6321 | case 0xe742: /* VLEIG - vector load element immediate */ | |
6322 | case 0xe743: /* VLEIF - vector load element immediate */ | |
6323 | case 0xe744: /* VGBM - vector generate byte mask */ | |
6324 | case 0xe745: /* VREPI - vector replicate immediate */ | |
6325 | case 0xe746: /* VGM - vector generate mask */ | |
6326 | case 0xe74d: /* VREP - vector replicate */ | |
6327 | case 0xe750: /* VPOPCT - vector population count */ | |
6328 | case 0xe752: /* VCTZ - vector count trailing zeros */ | |
6329 | case 0xe753: /* VCLZ - vector count leading zeros */ | |
6330 | case 0xe756: /* VLR - vector load */ | |
6331 | case 0xe75f: /* VSEG -vector sign extend to doubleword */ | |
6332 | case 0xe760: /* VMRL - vector merge low */ | |
6333 | case 0xe761: /* VMRH - vector merge high */ | |
6334 | case 0xe762: /* VLVGP - vector load vr from grs disjoint */ | |
6335 | case 0xe764: /* VSUM - vector sum across word */ | |
6336 | case 0xe765: /* VSUMG - vector sum across doubleword */ | |
6337 | case 0xe766: /* VCKSM - vector checksum */ | |
6338 | case 0xe767: /* VSUMQ - vector sum across quadword */ | |
6339 | case 0xe768: /* VN - vector and */ | |
6340 | case 0xe769: /* VNC - vector and with complement */ | |
6341 | case 0xe76a: /* VO - vector or */ | |
6342 | case 0xe76b: /* VNO - vector nor */ | |
55efceab | 6343 | case 0xe76c: /* VNX - vector not exclusive or */ |
566c56c9 | 6344 | case 0xe76d: /* VX - vector xor */ |
55efceab AA |
6345 | case 0xe76e: /* VNN - vector nand */ |
6346 | case 0xe76f: /* VOC - vector or with complement */ | |
566c56c9 MK |
6347 | case 0xe770: /* VESLV - vector element shift left */ |
6348 | case 0xe772: /* VERIM - vector element rotate and insert under mask */ | |
6349 | case 0xe773: /* VERLLV - vector element rotate left logical */ | |
6350 | case 0xe774: /* VSL - vector shift left */ | |
6351 | case 0xe775: /* VSLB - vector shift left by byte */ | |
6352 | case 0xe777: /* VSLDB - vector shift left double by byte */ | |
6353 | case 0xe778: /* VESRLV - vector element shift right logical */ | |
6354 | case 0xe77a: /* VESRAV - vector element shift right arithmetic */ | |
6355 | case 0xe77c: /* VSRL - vector shift right logical */ | |
6356 | case 0xe77d: /* VSRLB - vector shift right logical by byte */ | |
6357 | case 0xe77e: /* VSRA - vector shift right arithmetic */ | |
6358 | case 0xe77f: /* VSRAB - vector shift right arithmetic by byte */ | |
6359 | case 0xe784: /* VPDI - vector permute doubleword immediate */ | |
55efceab | 6360 | case 0xe785: /* VBPERM - vector bit permute */ |
566c56c9 MK |
6361 | case 0xe78c: /* VPERM - vector permute */ |
6362 | case 0xe78d: /* VSEL - vector select */ | |
6363 | case 0xe78e: /* VFMS - vector fp multiply and subtract */ | |
6364 | case 0xe78f: /* VFMA - vector fp multiply and add */ | |
6365 | case 0xe794: /* VPK - vector pack */ | |
55efceab AA |
6366 | case 0xe79e: /* VFNMS - vector fp negative multiply and subtract */ |
6367 | case 0xe79f: /* VFNMA - vector fp negative multiply and add */ | |
566c56c9 MK |
6368 | case 0xe7a1: /* VMLH - vector multiply logical high */ |
6369 | case 0xe7a2: /* VML - vector multiply low */ | |
6370 | case 0xe7a3: /* VMH - vector multiply high */ | |
6371 | case 0xe7a4: /* VMLE - vector multiply logical even */ | |
6372 | case 0xe7a5: /* VMLO - vector multiply logical odd */ | |
6373 | case 0xe7a6: /* VME - vector multiply even */ | |
6374 | case 0xe7a7: /* VMO - vector multiply odd */ | |
6375 | case 0xe7a9: /* VMALH - vector multiply and add logical high */ | |
6376 | case 0xe7aa: /* VMAL - vector multiply and add low */ | |
6377 | case 0xe7ab: /* VMAH - vector multiply and add high */ | |
6378 | case 0xe7ac: /* VMALE - vector multiply and add logical even */ | |
6379 | case 0xe7ad: /* VMALO - vector multiply and add logical odd */ | |
6380 | case 0xe7ae: /* VMAE - vector multiply and add even */ | |
6381 | case 0xe7af: /* VMAO - vector multiply and add odd */ | |
6382 | case 0xe7b4: /* VGFM - vector Galois field multiply sum */ | |
55efceab | 6383 | case 0xe7b8: /* VMSL - vector multiply sum logical */ |
566c56c9 MK |
6384 | case 0xe7b9: /* VACCC - vector add with carry compute carry */ |
6385 | case 0xe7bb: /* VAC - vector add with carry */ | |
6386 | case 0xe7bc: /* VGFMA - vector Galois field multiply sum and accumulate */ | |
6387 | case 0xe7bd: /* VSBCBI - vector subtract with borrow compute borrow indication */ | |
6388 | case 0xe7bf: /* VSBI - vector subtract with borrow indication */ | |
6389 | case 0xe7c0: /* VCLGD - vector convert to logical 64-bit */ | |
6390 | case 0xe7c1: /* VCDLG - vector convert from logical 64-bit */ | |
6391 | case 0xe7c2: /* VCGD - vector convert to fixed 64-bit */ | |
6392 | case 0xe7c3: /* VCDG - vector convert from fixed 64-bit */ | |
55efceab AA |
6393 | case 0xe7c4: /* VLDE/VFLL - vector fp load lengthened */ |
6394 | case 0xe7c5: /* VLED/VFLR - vector fp load rounded */ | |
566c56c9 MK |
6395 | case 0xe7c7: /* VFI - vector load fp integer */ |
6396 | case 0xe7cc: /* VFPSO - vector fp perform sign operation */ | |
6397 | case 0xe7ce: /* VFSQ - vector fp square root */ | |
6398 | case 0xe7d4: /* VUPLL - vector unpack logical low */ | |
6399 | case 0xe7d6: /* VUPL - vector unpack low */ | |
6400 | case 0xe7d5: /* VUPLH - vector unpack logical high */ | |
6401 | case 0xe7d7: /* VUPH - vector unpack high */ | |
6402 | case 0xe7de: /* VLC - vector load complement */ | |
6403 | case 0xe7df: /* VLP - vector load positive */ | |
6404 | case 0xe7e2: /* VFA - vector fp subtract */ | |
6405 | case 0xe7e3: /* VFA - vector fp add */ | |
6406 | case 0xe7e5: /* VFD - vector fp divide */ | |
6407 | case 0xe7e7: /* VFM - vector fp multiply */ | |
55efceab AA |
6408 | case 0xe7ee: /* VFMIN - vector fp minimum */ |
6409 | case 0xe7ef: /* VFMAX - vector fp maximum */ | |
566c56c9 MK |
6410 | case 0xe7f0: /* VAVGL - vector average logical */ |
6411 | case 0xe7f1: /* VACC - vector add and compute carry */ | |
6412 | case 0xe7f2: /* VAVG - vector average */ | |
6413 | case 0xe7f3: /* VA - vector add */ | |
6414 | case 0xe7f5: /* VSCBI - vector subtract compute borrow indication */ | |
6415 | case 0xe7f7: /* VS - vector subtract */ | |
6416 | case 0xe7fc: /* VMNL - vector minimum logical */ | |
6417 | case 0xe7fd: /* VMXL - vector maximum logical */ | |
6418 | case 0xe7fe: /* VMN - vector minimum */ | |
6419 | case 0xe7ff: /* VMX - vector maximum */ | |
6420 | /* vector destination + FPC */ | |
6421 | if (s390_record_vr (gdbarch, regcache, ivec[0])) | |
6422 | return -1; | |
6423 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6424 | return -1; | |
6425 | break; | |
6426 | ||
55efceab AA |
6427 | case 0xe63d: /* VSTRL - vector store rightmost with immed. length */ |
6428 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6429 | if (record_full_arch_list_add_mem (oaddr, inib[3] + 1)) | |
6430 | return -1; | |
6431 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6432 | return -1; | |
6433 | break; | |
6434 | ||
566c56c9 MK |
6435 | case 0xe708: /* VSTEB - vector store element */ |
6436 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
6437 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
6438 | return -1; | |
6439 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6440 | return -1; | |
6441 | break; | |
6442 | ||
6443 | case 0xe709: /* VSTEH - vector store element */ | |
6444 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
6445 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
6446 | return -1; | |
6447 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6448 | return -1; | |
6449 | break; | |
6450 | ||
6451 | case 0xe70a: /* VSTEG - vector store element */ | |
6452 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
6453 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6454 | return -1; | |
6455 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6456 | return -1; | |
6457 | break; | |
6458 | ||
6459 | case 0xe70b: /* VSTEF - vector store element */ | |
6460 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
6461 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6462 | return -1; | |
6463 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6464 | return -1; | |
6465 | break; | |
6466 | ||
6467 | /* 0xe70c-0xe70d undefined */ | |
6468 | ||
6469 | case 0xe70e: /* VST - vector store */ | |
6470 | oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0); | |
6471 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
6472 | return -1; | |
6473 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6474 | return -1; | |
6475 | break; | |
6476 | ||
6477 | /* 0xe70f-0xe711 undefined */ | |
6478 | /* 0xe714-0xe719 undefined */ | |
6479 | ||
6480 | case 0xe71a: /* VSCEG - vector scatter element */ | |
6481 | if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 8, insn[1], 0, &oaddr)) | |
6482 | return -1; | |
6483 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6484 | return -1; | |
6485 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6486 | return -1; | |
6487 | break; | |
6488 | ||
6489 | case 0xe71b: /* VSCEF - vector scatter element */ | |
6490 | if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 4, insn[1], 0, &oaddr)) | |
6491 | return -1; | |
6492 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6493 | return -1; | |
6494 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6495 | return -1; | |
6496 | break; | |
6497 | ||
6498 | /* 0xe71c-0xe720 undefined */ | |
6499 | /* 0xe723-0xe726 undefined */ | |
6500 | /* 0xe728-0xe72f undefined */ | |
6501 | /* 0xe731-0xe732 undefined */ | |
6502 | /* 0xe734-0xe735 undefined */ | |
6503 | ||
6504 | case 0xe736: /* VLM - vector load multiple */ | |
6505 | for (i = ivec[0]; i != ivec[1]; i++, i &= 0x1f) | |
6506 | if (s390_record_vr (gdbarch, regcache, i)) | |
6507 | return -1; | |
6508 | if (s390_record_vr (gdbarch, regcache, ivec[1])) | |
6509 | return -1; | |
6510 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6511 | return -1; | |
6512 | break; | |
6513 | ||
6514 | /* 0xe739 undefined */ | |
6515 | /* 0xe73b-0xe73d undefined */ | |
6516 | ||
6517 | case 0xe73e: /* VSTM - vector store multiple */ | |
6518 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6519 | if (ivec[0] <= ivec[1]) | |
6520 | n = ivec[1] - ivec[0] + 1; | |
6521 | else | |
6522 | n = ivec[1] + 0x20 - ivec[0] + 1; | |
6523 | if (record_full_arch_list_add_mem (oaddr, n * 16)) | |
6524 | return -1; | |
6525 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6526 | return -1; | |
6527 | break; | |
6528 | ||
55efceab AA |
6529 | case 0xe63c: /* VUPKZ - vector unpack zoned */ |
6530 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6531 | if (record_full_arch_list_add_mem (oaddr, (ibyte[1] + 1) & 31)) | |
6532 | return -1; | |
6533 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6534 | return -1; | |
6535 | break; | |
6536 | ||
6537 | case 0xe63f: /* VSTRLR - vector store rightmost with length */ | |
566c56c9 MK |
6538 | case 0xe73f: /* VSTL - vector store with length */ |
6539 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
6540 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[3], &tmp); | |
6541 | tmp &= 0xffffffffu; | |
55efceab AA |
6542 | if (tmp > 15) |
6543 | tmp = 15; | |
6544 | if (record_full_arch_list_add_mem (oaddr, tmp + 1)) | |
566c56c9 MK |
6545 | return -1; |
6546 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6547 | return -1; | |
6548 | break; | |
6549 | ||
6550 | /* 0xe747-0xe749 undefined */ | |
6551 | ||
55efceab AA |
6552 | case 0xe658: /* VCVD - vector convert to decimal 32 bit */ |
6553 | case 0xe659: /* VSRP - vector shift and round decimal */ | |
6554 | case 0xe65a: /* VCVDG - vector convert to decimal 64 bit*/ | |
6555 | case 0xe65b: /* VPSOP - vector perform sign operation decimal */ | |
6556 | case 0xe671: /* VAP - vector add decimal */ | |
6557 | case 0xe673: /* VSP - vector subtract decimal */ | |
6558 | case 0xe678: /* VMP - vector multiply decimal */ | |
6559 | case 0xe679: /* VMSP - vector multiply decimal */ | |
6560 | case 0xe67a: /* VDP - vector divide decimal */ | |
6561 | case 0xe67b: /* VRP - vector remainder decimal */ | |
6562 | case 0xe67e: /* VSDP - vector shift and divide decimal */ | |
566c56c9 MK |
6563 | case 0xe74a: /* VFTCI - vector fp test data class immediate */ |
6564 | case 0xe75c: /* VISTR - vector isolate string */ | |
6565 | case 0xe780: /* VFEE - vector find element equal */ | |
6566 | case 0xe781: /* VFENE - vector find element not equal */ | |
6567 | case 0xe782: /* VFA - vector find any element equal */ | |
6568 | case 0xe78a: /* VSTRC - vector string range compare */ | |
6569 | case 0xe795: /* VPKLS - vector pack logical saturate */ | |
6570 | case 0xe797: /* VPKS - vector pack saturate */ | |
6571 | case 0xe7e8: /* VFCE - vector fp compare equal */ | |
6572 | case 0xe7ea: /* VFCHE - vector fp compare high or equal */ | |
55efceab | 6573 | case 0xe7eb: /* VFCH - vector fp compare high */ |
566c56c9 MK |
6574 | case 0xe7f8: /* VCEQ - vector compare equal */ |
6575 | case 0xe7f9: /* VCHL - vector compare high logical */ | |
6576 | case 0xe7fb: /* VCH - vector compare high */ | |
6577 | /* vector destination + flags + FPC */ | |
6578 | if (s390_record_vr (gdbarch, regcache, ivec[0])) | |
6579 | return -1; | |
6580 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6581 | return -1; | |
6582 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6583 | return -1; | |
6584 | break; | |
6585 | ||
55efceab AA |
6586 | case 0xe65f: /* VTP - vector test decimal */ |
6587 | /* flags + FPC */ | |
6588 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6589 | return -1; | |
6590 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6591 | return -1; | |
6592 | break; | |
6593 | ||
566c56c9 MK |
6594 | /* 0xe74b-0xe74c undefined */ |
6595 | /* 0xe74e-0xe74f undefined */ | |
6596 | /* 0xe751 undefined */ | |
6597 | /* 0xe754-0xe755 undefined */ | |
6598 | /* 0xe757-0xe75b undefined */ | |
6599 | /* 0xe75d-0xe75e undefined */ | |
6600 | /* 0xe763 undefined */ | |
566c56c9 MK |
6601 | /* 0xe771 undefined */ |
6602 | /* 0xe776 undefined */ | |
6603 | /* 0xe779 undefined */ | |
6604 | /* 0xe77b undefined */ | |
6605 | /* 0xe783 undefined */ | |
55efceab | 6606 | /* 0xe786-0xe789 undefined */ |
566c56c9 MK |
6607 | /* 0xe78b undefined */ |
6608 | /* 0xe790-0xe793 undefined */ | |
6609 | /* 0xe796 undefined */ | |
55efceab AA |
6610 | /* 0xe798-0xe79d undefined */ |
6611 | /* 0xe7a0 undefined */ | |
6612 | /* 0xe7a8 undefined */ | |
566c56c9 | 6613 | /* 0xe7b0-0xe7b3 undefined */ |
55efceab | 6614 | /* 0xe7b5-0xe7b7 undefined */ |
566c56c9 MK |
6615 | /* 0xe7ba undefined */ |
6616 | /* 0xe7be undefined */ | |
6617 | /* 0xe7c6 undefined */ | |
6618 | /* 0xe7c8-0xe7c9 undefined */ | |
6619 | ||
55efceab | 6620 | case 0xe677: /* VCP - vector compare decimal */ |
566c56c9 MK |
6621 | case 0xe7ca: /* WFK - vector fp compare and signal scalar */ |
6622 | case 0xe7cb: /* WFC - vector fp compare scalar */ | |
6623 | case 0xe7d8: /* VTM - vector test under mask */ | |
6624 | case 0xe7d9: /* VECL - vector element compare logical */ | |
6625 | case 0xe7db: /* VEC - vector element compare */ | |
6626 | case 0xed08: /* KEB - compare and signal */ | |
6627 | case 0xed09: /* CEB - compare */ | |
6628 | case 0xed18: /* KDB - compare and signal */ | |
6629 | case 0xed19: /* CDB - compare */ | |
6630 | /* flags + fpc only */ | |
6631 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6632 | return -1; | |
6633 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6634 | return -1; | |
6635 | break; | |
6636 | ||
6637 | /* 0xe7cd undefined */ | |
6638 | /* 0xe7cf-0xe7d3 undefined */ | |
6639 | /* 0xe7da undefined */ | |
6640 | /* 0xe7dc-0xe7dd undefined */ | |
6641 | /* 0xe7e0-0xe7e1 undefined */ | |
6642 | /* 0xe7e4 undefined */ | |
6643 | /* 0xe7e6 undefined */ | |
6644 | /* 0xe7e9 undefined */ | |
55efceab | 6645 | /* 0xe7ec-0xe7ed undefined */ |
566c56c9 MK |
6646 | /* 0xe7f4 undefined */ |
6647 | /* 0xe7f6 undefined */ | |
6648 | /* 0xe7fa undefined */ | |
6649 | ||
6650 | /* 0xeb00-0xeb03 undefined */ | |
6651 | ||
6652 | case 0xeb04: /* LMG - load multiple */ | |
6653 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
6654 | if (s390_record_gpr_g (gdbarch, regcache, i)) | |
6655 | return -1; | |
6656 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) | |
6657 | return -1; | |
6658 | break; | |
6659 | ||
6660 | /* 0xeb05-0xeb09 undefined */ | |
6661 | /* 0xeb0e undefined */ | |
6662 | /* 0xeb0f privileged: TRACG */ | |
6663 | /* 0xeb10-0xeb13 undefined */ | |
6664 | ||
6665 | case 0xeb14: /* CSY - compare and swap */ | |
6666 | case 0xebf4: /* LAN - load and and */ | |
6667 | case 0xebf6: /* LAO - load and or */ | |
6668 | case 0xebf7: /* LAX - load and xor */ | |
6669 | case 0xebf8: /* LAA - load and add */ | |
6670 | case 0xebfa: /* LAAL - load and add logical */ | |
6671 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6672 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6673 | return -1; | |
6674 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6675 | return -1; | |
6676 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6677 | return -1; | |
6678 | break; | |
6679 | ||
6680 | /* 0xeb15-0xeb1b undefined */ | |
6681 | /* 0xeb1e-0xeb1f undefined */ | |
6682 | /* 0xeb22 undefined */ | |
6683 | ||
6684 | case 0xeb23: /* CLT - compare logical and trap */ | |
6685 | case 0xeb2b: /* CLGT - compare logical and trap */ | |
6686 | /* fpc only - including possible DXC write for trapping insns */ | |
6687 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6688 | return -1; | |
6689 | break; | |
6690 | ||
6691 | case 0xeb24: /* STMG - store multiple */ | |
6692 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6693 | if (inib[2] <= inib[3]) | |
6694 | n = inib[3] - inib[2] + 1; | |
6695 | else | |
6696 | n = inib[3] + 0x10 - inib[2] + 1; | |
6697 | if (record_full_arch_list_add_mem (oaddr, n * 8)) | |
6698 | return -1; | |
6699 | break; | |
6700 | ||
6701 | /* 0xeb25 privileged */ | |
6702 | ||
6703 | case 0xeb26: /* STMH - store multiple high */ | |
6704 | case 0xeb90: /* STMY - store multiple */ | |
6705 | case 0xeb9b: /* STAMY - store access multiple */ | |
6706 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6707 | if (inib[2] <= inib[3]) | |
6708 | n = inib[3] - inib[2] + 1; | |
6709 | else | |
6710 | n = inib[3] + 0x10 - inib[2] + 1; | |
6711 | if (record_full_arch_list_add_mem (oaddr, n * 4)) | |
6712 | return -1; | |
6713 | break; | |
6714 | ||
6715 | /* 0xeb27-0xeb2a undefined */ | |
6716 | ||
6717 | case 0xeb2c: /* STCMH - store characters under mask */ | |
6718 | case 0xeb2d: /* STCMY - store characters under mask */ | |
6719 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6720 | if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3]))) | |
6721 | return -1; | |
6722 | break; | |
6723 | ||
6724 | /* 0xeb2e undefined */ | |
6725 | /* 0xeb2f privileged */ | |
6726 | ||
6727 | case 0xeb30: /* CSG - compare and swap */ | |
6728 | case 0xebe4: /* LANG - load and and */ | |
6729 | case 0xebe6: /* LAOG - load and or */ | |
6730 | case 0xebe7: /* LAXG - load and xor */ | |
6731 | case 0xebe8: /* LAAG - load and add */ | |
6732 | case 0xebea: /* LAALG - load and add logical */ | |
6733 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6734 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6735 | return -1; | |
6736 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6737 | return -1; | |
6738 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6739 | return -1; | |
6740 | break; | |
6741 | ||
6742 | case 0xeb31: /* CDSY - compare double and swap */ | |
6743 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6744 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6745 | return -1; | |
6746 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6747 | return -1; | |
6748 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
6749 | return -1; | |
6750 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6751 | return -1; | |
6752 | break; | |
6753 | ||
6754 | /* 0xeb32-0xeb3d undefined */ | |
6755 | ||
6756 | case 0xeb3e: /* CDSG - compare double and swap */ | |
6757 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6758 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
6759 | return -1; | |
6760 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
6761 | return -1; | |
6762 | if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1)) | |
6763 | return -1; | |
6764 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6765 | return -1; | |
6766 | break; | |
6767 | ||
6768 | /* 0xeb3f-0xeb43 undefined */ | |
6769 | /* 0xeb46-0xeb4b undefined */ | |
6770 | /* 0xeb4d-0xeb50 undefined */ | |
6771 | ||
6772 | case 0xeb52: /* MVIY - move */ | |
6773 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6774 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
6775 | return -1; | |
6776 | break; | |
6777 | ||
6778 | case 0xeb54: /* NIY - and */ | |
6779 | case 0xeb56: /* OIY - or */ | |
6780 | case 0xeb57: /* XIY - xor */ | |
6781 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6782 | if (record_full_arch_list_add_mem (oaddr, 1)) | |
6783 | return -1; | |
6784 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6785 | return -1; | |
6786 | break; | |
6787 | ||
6788 | /* 0xeb53 undefined */ | |
6789 | /* 0xeb58-0xeb69 undefined */ | |
6790 | ||
6791 | case 0xeb6a: /* ASI - add immediate */ | |
6792 | case 0xeb6e: /* ALSI - add immediate */ | |
6793 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6794 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
6795 | return -1; | |
6796 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6797 | return -1; | |
6798 | break; | |
6799 | ||
6800 | /* 0xeb6b-0xeb6d undefined */ | |
6801 | /* 0xeb6f-0xeb79 undefined */ | |
6802 | ||
6803 | case 0xeb7a: /* AGSI - add immediate */ | |
6804 | case 0xeb7e: /* ALGSI - add immediate */ | |
6805 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]); | |
6806 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
6807 | return -1; | |
6808 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6809 | return -1; | |
6810 | break; | |
6811 | ||
6812 | /* 0xeb7b-0xeb7d undefined */ | |
6813 | /* 0xeb7f undefined */ | |
6814 | ||
6815 | case 0xeb80: /* ICMH - insert characters under mask */ | |
6816 | /* 32-bit high gpr destination + flags */ | |
6817 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
6818 | return -1; | |
6819 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6820 | return -1; | |
6821 | break; | |
6822 | ||
6823 | /* 0xeb82-0xeb8d undefined */ | |
6824 | ||
6825 | case 0xeb8e: /* MVCLU - move long unicode [partial] */ | |
6826 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp); | |
6827 | oaddr = s390_record_address_mask (gdbarch, regcache, tmp); | |
6828 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp); | |
6829 | if (record_full_arch_list_add_mem (oaddr, tmp)) | |
6830 | return -1; | |
6831 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6832 | return -1; | |
6833 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
6834 | return -1; | |
6835 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
6836 | return -1; | |
6837 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
6838 | return -1; | |
6839 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6840 | return -1; | |
6841 | break; | |
6842 | ||
6843 | case 0xeb8f: /* CLCLU - compare logical long unicode [partial] */ | |
6844 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
6845 | return -1; | |
6846 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1))) | |
6847 | return -1; | |
6848 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
6849 | return -1; | |
6850 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1))) | |
6851 | return -1; | |
6852 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6853 | return -1; | |
6854 | break; | |
6855 | ||
6856 | /* 0xeb91-0xeb95 undefined */ | |
6857 | ||
6858 | case 0xeb96: /* LMH - load multiple high */ | |
6859 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
6860 | if (s390_record_gpr_h (gdbarch, regcache, i)) | |
6861 | return -1; | |
6862 | if (s390_record_gpr_h (gdbarch, regcache, inib[3])) | |
6863 | return -1; | |
6864 | break; | |
6865 | ||
6866 | /* 0xeb97 undefined */ | |
6867 | ||
6868 | case 0xeb98: /* LMY - load multiple */ | |
6869 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
6870 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i)) | |
6871 | return -1; | |
6872 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
6873 | return -1; | |
6874 | break; | |
6875 | ||
6876 | /* 0xeb99 undefined */ | |
6877 | ||
6878 | case 0xeb9a: /* LAMY - load access multiple */ | |
6879 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
6880 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i)) | |
6881 | return -1; | |
6882 | if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3])) | |
6883 | return -1; | |
6884 | break; | |
6885 | ||
6886 | /* 0xeb9c-0xebbf undefined */ | |
6887 | /* 0xebc1-0xebdb undefined */ | |
6888 | /* 0xebe5 undefined */ | |
6889 | /* 0xebe9 undefined */ | |
6890 | /* 0xebeb-0xebf1 undefined */ | |
6891 | /* 0xebf5 undefined */ | |
6892 | /* 0xebf9 undefined */ | |
6893 | /* 0xebfb-0xebff undefined */ | |
6894 | ||
6895 | /* 0xed00-0xed03 undefined */ | |
6896 | ||
6897 | case 0xed04: /* LDEB - load lengthened */ | |
6898 | case 0xed0c: /* MDEB - multiply */ | |
6899 | case 0xed0d: /* DEB - divide */ | |
6900 | case 0xed14: /* SQEB - square root */ | |
6901 | case 0xed15: /* SQDB - square root */ | |
6902 | case 0xed17: /* MEEB - multiply */ | |
6903 | case 0xed1c: /* MDB - multiply */ | |
6904 | case 0xed1d: /* DDB - divide */ | |
6905 | /* float destination + fpc */ | |
6906 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6907 | return -1; | |
6908 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6909 | return -1; | |
6910 | break; | |
6911 | ||
6912 | case 0xed05: /* LXDB - load lengthened */ | |
6913 | case 0xed06: /* LXEB - load lengthened */ | |
6914 | case 0xed07: /* MXDB - multiply */ | |
6915 | /* float pair destination + fpc */ | |
6916 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6917 | return -1; | |
6918 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) | |
6919 | return -1; | |
6920 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6921 | return -1; | |
6922 | break; | |
6923 | ||
6924 | case 0xed0a: /* AEB - add */ | |
6925 | case 0xed0b: /* SEB - subtract */ | |
6926 | case 0xed1a: /* ADB - add */ | |
6927 | case 0xed1b: /* SDB - subtract */ | |
6928 | /* float destination + flags + fpc */ | |
6929 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6930 | return -1; | |
6931 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
6932 | return -1; | |
6933 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6934 | return -1; | |
6935 | break; | |
6936 | ||
6937 | case 0xed0e: /* MAEB - multiply and add */ | |
6938 | case 0xed0f: /* MSEB - multiply and subtract */ | |
6939 | case 0xed1e: /* MADB - multiply and add */ | |
6940 | case 0xed1f: /* MSDB - multiply and subtract */ | |
6941 | case 0xed40: /* SLDT - shift significand left */ | |
6942 | case 0xed41: /* SRDT - shift significand right */ | |
6943 | case 0xedaa: /* CDZT - convert from zoned */ | |
6944 | case 0xedae: /* CDPT - convert from packed */ | |
6945 | /* float destination [RXF] + fpc */ | |
6946 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) | |
6947 | return -1; | |
6948 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
6949 | return -1; | |
6950 | break; | |
6951 | ||
6952 | /* 0xed13 undefined */ | |
6953 | /* 0xed16 undefined */ | |
6954 | /* 0xed20-0xed23 undefined */ | |
6955 | ||
6956 | case 0xed24: /* LDE - load lengthened */ | |
6957 | case 0xed34: /* SQE - square root */ | |
6958 | case 0xed35: /* SQD - square root */ | |
6959 | case 0xed37: /* MEE - multiply */ | |
6960 | case 0xed64: /* LEY - load */ | |
6961 | case 0xed65: /* LDY - load */ | |
6962 | /* float destination */ | |
6963 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6964 | return -1; | |
6965 | break; | |
6966 | ||
6967 | case 0xed25: /* LXD - load lengthened */ | |
6968 | case 0xed26: /* LXE - load lengthened */ | |
6969 | /* float pair destination */ | |
6970 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2])) | |
6971 | return -1; | |
6972 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2))) | |
6973 | return -1; | |
6974 | break; | |
6975 | ||
6976 | /* 0xed27-0xed2d undefined */ | |
6977 | ||
6978 | case 0xed2e: /* MAE - multiply and add */ | |
6979 | case 0xed2f: /* MSE - multiply and subtract */ | |
6980 | case 0xed38: /* MAYL - multiply and add unnormalized */ | |
6981 | case 0xed39: /* MYL - multiply unnormalized */ | |
6982 | case 0xed3c: /* MAYH - multiply and add unnormalized */ | |
6983 | case 0xed3d: /* MYH - multiply unnormalized */ | |
6984 | case 0xed3e: /* MAD - multiply and add */ | |
6985 | case 0xed3f: /* MSD - multiply and subtract */ | |
6986 | /* float destination [RXF] */ | |
6987 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) | |
6988 | return -1; | |
6989 | break; | |
6990 | ||
6991 | /* 0xed30-0xed33 undefined */ | |
6992 | /* 0xed36 undefined */ | |
6993 | ||
6994 | case 0xed3a: /* MAY - multiply and add unnormalized */ | |
6995 | case 0xed3b: /* MY - multiply unnormalized */ | |
6996 | /* float pair destination [RXF] */ | |
6997 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) | |
6998 | return -1; | |
6999 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2))) | |
7000 | return -1; | |
7001 | break; | |
7002 | ||
7003 | /* 0xed42-0xed47 undefind */ | |
7004 | ||
7005 | case 0xed48: /* SLXT - shift significand left */ | |
7006 | case 0xed49: /* SRXT - shift significand right */ | |
7007 | case 0xedab: /* CXZT - convert from zoned */ | |
7008 | case 0xedaf: /* CXPT - convert from packed */ | |
7009 | /* float pair destination [RXF] + fpc */ | |
7010 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8])) | |
7011 | return -1; | |
7012 | if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2))) | |
7013 | return -1; | |
7014 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
7015 | return -1; | |
7016 | break; | |
7017 | ||
7018 | /* 0xed4a-0xed4f undefind */ | |
7019 | /* 0xed52-0xed53 undefind */ | |
7020 | /* 0xed56-0xed57 undefind */ | |
7021 | /* 0xed5a-0xed63 undefind */ | |
7022 | /* 0xed68-0xeda7 undefined */ | |
7023 | ||
7024 | case 0xeda8: /* CZDT - convert to zoned */ | |
7025 | case 0xeda9: /* CZXT - convert to zoned */ | |
7026 | case 0xedac: /* CPDT - convert to packed */ | |
7027 | case 0xedad: /* CPXT - convert to packed */ | |
7028 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7029 | if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1)) | |
7030 | return -1; | |
7031 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7032 | return -1; | |
7033 | break; | |
7034 | ||
7035 | /* 0xedb0-0xedff undefined */ | |
7036 | ||
7037 | default: | |
7038 | goto UNKNOWN_OP; | |
7039 | } | |
7040 | break; | |
7041 | ||
7042 | /* 0xe4 undefined */ | |
7043 | ||
7044 | case 0xe5: | |
7045 | /* SSE/SIL-format instruction */ | |
7046 | switch (insn[0]) | |
7047 | { | |
7048 | /* 0xe500-0xe543 undefined, privileged, or unsupported */ | |
7049 | ||
7050 | case 0xe544: /* MVHHI - move */ | |
7051 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7052 | if (record_full_arch_list_add_mem (oaddr, 2)) | |
7053 | return -1; | |
7054 | break; | |
7055 | ||
7056 | /* 0xe545-0xe547 undefined */ | |
7057 | ||
7058 | case 0xe548: /* MVGHI - move */ | |
7059 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7060 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
7061 | return -1; | |
7062 | break; | |
7063 | ||
7064 | /* 0xe549-0xe54b undefined */ | |
7065 | ||
7066 | case 0xe54c: /* MVHI - move */ | |
7067 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7068 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
7069 | return -1; | |
7070 | break; | |
7071 | ||
7072 | /* 0xe54d-0xe553 undefined */ | |
7073 | ||
7074 | case 0xe554: /* CHHSI - compare halfword immediate */ | |
7075 | case 0xe555: /* CLHHSI - compare logical immediate */ | |
7076 | case 0xe558: /* CGHSI - compare halfword immediate */ | |
7077 | case 0xe559: /* CLGHSI - compare logical immediate */ | |
7078 | case 0xe55c: /* CHSI - compare halfword immediate */ | |
7079 | case 0xe55d: /* CLFHSI - compare logical immediate */ | |
7080 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7081 | return -1; | |
7082 | break; | |
7083 | ||
7084 | /* 0xe556-0xe557 undefined */ | |
7085 | /* 0xe55a-0xe55b undefined */ | |
7086 | /* 0xe55e-0xe55f undefined */ | |
7087 | ||
7088 | case 0xe560: /* TBEGIN - transaction begin */ | |
7089 | /* The transaction will be immediately aborted after this | |
7090 | instruction, due to single-stepping. This instruction is | |
7091 | only supported so that the program can fail a few times | |
7092 | and go to the non-transactional fallback. */ | |
7093 | if (inib[4]) | |
7094 | { | |
7095 | /* Transaction diagnostic block - user. */ | |
7096 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7097 | if (record_full_arch_list_add_mem (oaddr, 256)) | |
7098 | return -1; | |
7099 | } | |
7100 | /* Transaction diagnostic block - supervisor. */ | |
7101 | if (record_full_arch_list_add_reg (regcache, S390_TDB_DWORD0_REGNUM)) | |
7102 | return -1; | |
7103 | if (record_full_arch_list_add_reg (regcache, S390_TDB_ABORT_CODE_REGNUM)) | |
7104 | return -1; | |
7105 | if (record_full_arch_list_add_reg (regcache, S390_TDB_CONFLICT_TOKEN_REGNUM)) | |
7106 | return -1; | |
7107 | if (record_full_arch_list_add_reg (regcache, S390_TDB_ATIA_REGNUM)) | |
7108 | return -1; | |
7109 | for (i = 0; i < 16; i++) | |
7110 | if (record_full_arch_list_add_reg (regcache, S390_TDB_R0_REGNUM + i)) | |
7111 | return -1; | |
7112 | /* And flags. */ | |
7113 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7114 | return -1; | |
7115 | break; | |
7116 | ||
7117 | /* 0xe561 unsupported: TBEGINC */ | |
7118 | /* 0xe562-0xe5ff undefined */ | |
7119 | ||
7120 | default: | |
7121 | goto UNKNOWN_OP; | |
7122 | } | |
7123 | break; | |
7124 | ||
566c56c9 MK |
7125 | case 0xec: |
7126 | /* RIE/RIS/RRS-format instruction */ | |
7127 | switch (ibyte[0] << 8 | ibyte[5]) | |
7128 | { | |
7129 | /* 0xec00-0xec41 undefined */ | |
7130 | ||
7131 | case 0xec42: /* LOCHI - load halfword immediate on condition */ | |
7132 | case 0xec51: /* RISBLG - rotate then insert selected bits low */ | |
7133 | /* 32-bit or native gpr destination */ | |
7134 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
7135 | return -1; | |
7136 | break; | |
7137 | ||
7138 | /* 0xec43 undefined */ | |
7139 | ||
7140 | case 0xec44: /* BRXHG - branch relative on index high */ | |
7141 | case 0xec45: /* BRXLG - branch relative on index low or equal */ | |
7142 | case 0xec46: /* LOCGHI - load halfword immediate on condition */ | |
7143 | case 0xec59: /* RISBGN - rotate then insert selected bits */ | |
7144 | /* 64-bit gpr destination */ | |
7145 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
7146 | return -1; | |
7147 | break; | |
7148 | ||
7149 | /* 0xec47-0xec4d undefined */ | |
7150 | ||
7151 | case 0xec4e: /* LOCHHI - load halfword immediate on condition */ | |
7152 | case 0xec5d: /* RISBHG - rotate then insert selected bits high */ | |
7153 | /* 32-bit high gpr destination */ | |
7154 | if (s390_record_gpr_h (gdbarch, regcache, inib[2])) | |
7155 | return -1; | |
7156 | break; | |
7157 | ||
7158 | /* 0xec4f-0xec50 undefined */ | |
7159 | /* 0xec52-0xec53 undefined */ | |
7160 | ||
7161 | case 0xec54: /* RNSBG - rotate then and selected bits */ | |
7162 | case 0xec55: /* RISBG - rotate then insert selected bits */ | |
7163 | case 0xec56: /* ROSBG - rotate then or selected bits */ | |
7164 | case 0xec57: /* RXSBG - rotate then xor selected bits */ | |
7165 | case 0xecd9: /* AGHIK - add immediate */ | |
7166 | case 0xecdb: /* ALGHSIK - add logical immediate */ | |
7167 | /* 64-bit gpr destination + flags */ | |
7168 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
7169 | return -1; | |
7170 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7171 | return -1; | |
7172 | break; | |
7173 | ||
7174 | /* 0xec58 undefined */ | |
7175 | /* 0xec5a-0xec5c undefined */ | |
7176 | /* 0xec5e-0xec63 undefined */ | |
7177 | ||
7178 | case 0xec64: /* CGRJ - compare and branch relative */ | |
7179 | case 0xec65: /* CLGRJ - compare logical and branch relative */ | |
7180 | case 0xec76: /* CRJ - compare and branch relative */ | |
7181 | case 0xec77: /* CLRJ - compare logical and branch relative */ | |
7182 | case 0xec7c: /* CGIJ - compare immediate and branch relative */ | |
7183 | case 0xec7d: /* CLGIJ - compare logical immediate and branch relative */ | |
7184 | case 0xec7e: /* CIJ - compare immediate and branch relative */ | |
7185 | case 0xec7f: /* CLIJ - compare logical immediate and branch relative */ | |
7186 | case 0xece4: /* CGRB - compare and branch */ | |
7187 | case 0xece5: /* CLGRB - compare logical and branch */ | |
7188 | case 0xecf6: /* CRB - compare and branch */ | |
7189 | case 0xecf7: /* CLRB - compare logical and branch */ | |
7190 | case 0xecfc: /* CGIB - compare immediate and branch */ | |
7191 | case 0xecfd: /* CLGIB - compare logical immediate and branch */ | |
7192 | case 0xecfe: /* CIB - compare immediate and branch */ | |
7193 | case 0xecff: /* CLIB - compare logical immediate and branch */ | |
7194 | break; | |
7195 | ||
7196 | /* 0xec66-0xec6f undefined */ | |
7197 | ||
7198 | case 0xec70: /* CGIT - compare immediate and trap */ | |
7199 | case 0xec71: /* CLGIT - compare logical immediate and trap */ | |
7200 | case 0xec72: /* CIT - compare immediate and trap */ | |
7201 | case 0xec73: /* CLFIT - compare logical immediate and trap */ | |
7202 | /* fpc only - including possible DXC write for trapping insns */ | |
7203 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
7204 | return -1; | |
7205 | break; | |
7206 | ||
7207 | /* 0xec74-0xec75 undefined */ | |
7208 | /* 0xec78-0xec7b undefined */ | |
7209 | ||
7210 | /* 0xec80-0xecd7 undefined */ | |
7211 | ||
7212 | case 0xecd8: /* AHIK - add immediate */ | |
7213 | case 0xecda: /* ALHSIK - add logical immediate */ | |
7214 | /* 32-bit gpr destination + flags */ | |
7215 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
7216 | return -1; | |
7217 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7218 | return -1; | |
7219 | break; | |
7220 | ||
7221 | /* 0xecdc-0xece3 undefined */ | |
7222 | /* 0xece6-0xecf5 undefined */ | |
7223 | /* 0xecf8-0xecfb undefined */ | |
7224 | ||
7225 | default: | |
7226 | goto UNKNOWN_OP; | |
7227 | } | |
7228 | break; | |
7229 | ||
7230 | case 0xee: /* PLO - perform locked operation */ | |
7231 | regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp); | |
7232 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7233 | oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0); | |
7234 | if (!(tmp & 0x100)) | |
7235 | { | |
7236 | uint8_t fc = tmp & 0xff; | |
7237 | gdb_byte buf[8]; | |
7238 | switch (fc) | |
7239 | { | |
7240 | case 0x00: /* CL */ | |
7241 | /* op1c */ | |
7242 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
7243 | return -1; | |
7244 | /* op3 */ | |
7245 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
7246 | return -1; | |
7247 | break; | |
7248 | ||
7249 | case 0x01: /* CLG */ | |
7250 | /* op1c */ | |
7251 | if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8)) | |
7252 | return -1; | |
7253 | /* op3 */ | |
7254 | if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8)) | |
7255 | return -1; | |
7256 | break; | |
7257 | ||
7258 | case 0x02: /* CLGR */ | |
7259 | /* op1c */ | |
7260 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
7261 | return -1; | |
7262 | /* op3 */ | |
7263 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) | |
7264 | return -1; | |
7265 | break; | |
7266 | ||
7267 | case 0x03: /* CLX */ | |
7268 | /* op1c */ | |
7269 | if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16)) | |
7270 | return -1; | |
7271 | /* op3 */ | |
7272 | if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16)) | |
7273 | return -1; | |
7274 | break; | |
7275 | ||
7276 | case 0x08: /* DCS */ | |
7277 | /* op3c */ | |
7278 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3])) | |
7279 | return -1; | |
7280 | /* fallthru */ | |
7281 | case 0x0c: /* CSST */ | |
7282 | /* op4 */ | |
7283 | if (record_full_arch_list_add_mem (oaddr2, 4)) | |
7284 | return -1; | |
7285 | goto CS; | |
7286 | ||
7287 | case 0x14: /* CSTST */ | |
7288 | /* op8 */ | |
7289 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) | |
7290 | return -1; | |
7291 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7292 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7293 | if (record_full_arch_list_add_mem (oaddr3, 4)) | |
7294 | return -1; | |
7295 | /* fallthru */ | |
7296 | case 0x10: /* CSDST */ | |
7297 | /* op6 */ | |
7298 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) | |
7299 | return -1; | |
7300 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7301 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7302 | if (record_full_arch_list_add_mem (oaddr3, 4)) | |
7303 | return -1; | |
7304 | /* op4 */ | |
7305 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) | |
7306 | return -1; | |
7307 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7308 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7309 | if (record_full_arch_list_add_mem (oaddr3, 4)) | |
7310 | return -1; | |
7311 | /* fallthru */ | |
7312 | case 0x04: /* CS */ | |
7313 | CS: | |
7314 | /* op1c */ | |
7315 | if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2])) | |
7316 | return -1; | |
7317 | /* op2 */ | |
7318 | if (record_full_arch_list_add_mem (oaddr, 4)) | |
7319 | return -1; | |
7320 | break; | |
7321 | ||
7322 | case 0x09: /* DCSG */ | |
7323 | /* op3c */ | |
7324 | if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8)) | |
7325 | return -1; | |
7326 | goto CSSTG; | |
7327 | ||
7328 | case 0x15: /* CSTSTG */ | |
7329 | /* op8 */ | |
7330 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) | |
7331 | return -1; | |
7332 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7333 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7334 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7335 | return -1; | |
7336 | /* fallthru */ | |
7337 | case 0x11: /* CSDSTG */ | |
7338 | /* op6 */ | |
7339 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) | |
7340 | return -1; | |
7341 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7342 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7343 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7344 | return -1; | |
7345 | /* fallthru */ | |
7346 | case 0x0d: /* CSSTG */ | |
7347 | CSSTG: | |
7348 | /* op4 */ | |
7349 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) | |
7350 | return -1; | |
7351 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7352 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7353 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7354 | return -1; | |
7355 | /* fallthru */ | |
7356 | case 0x05: /* CSG */ | |
7357 | /* op1c */ | |
7358 | if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8)) | |
7359 | return -1; | |
7360 | /* op2 */ | |
7361 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
7362 | return -1; | |
7363 | break; | |
7364 | ||
7365 | case 0x0a: /* DCSGR */ | |
7366 | /* op3c */ | |
7367 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) | |
7368 | return -1; | |
7369 | /* fallthru */ | |
7370 | case 0x0e: /* CSSTGR */ | |
7371 | /* op4 */ | |
7372 | if (record_full_arch_list_add_mem (oaddr2, 8)) | |
7373 | return -1; | |
7374 | goto CSGR; | |
7375 | ||
7376 | case 0x16: /* CSTSTGR */ | |
7377 | /* op8 */ | |
7378 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) | |
7379 | return -1; | |
7380 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7381 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7382 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7383 | return -1; | |
7384 | /* fallthru */ | |
7385 | case 0x12: /* CSDSTGR */ | |
7386 | /* op6 */ | |
7387 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) | |
7388 | return -1; | |
7389 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7390 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7391 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7392 | return -1; | |
7393 | /* op4 */ | |
7394 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) | |
7395 | return -1; | |
7396 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7397 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7398 | if (record_full_arch_list_add_mem (oaddr3, 8)) | |
7399 | return -1; | |
7400 | /* fallthru */ | |
7401 | case 0x06: /* CSGR */ | |
7402 | CSGR: | |
7403 | /* op1c */ | |
7404 | if (s390_record_gpr_g (gdbarch, regcache, inib[2])) | |
7405 | return -1; | |
7406 | /* op2 */ | |
7407 | if (record_full_arch_list_add_mem (oaddr, 8)) | |
7408 | return -1; | |
7409 | break; | |
7410 | ||
7411 | case 0x0b: /* DCSX */ | |
7412 | /* op3c */ | |
7413 | if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16)) | |
7414 | return -1; | |
7415 | goto CSSTX; | |
7416 | ||
7417 | case 0x17: /* CSTSTX */ | |
7418 | /* op8 */ | |
7419 | if (target_read_memory (oaddr2 + 0x88, buf, 8)) | |
7420 | return -1; | |
7421 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7422 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7423 | if (record_full_arch_list_add_mem (oaddr3, 16)) | |
7424 | return -1; | |
7425 | /* fallthru */ | |
7426 | case 0x13: /* CSDSTX */ | |
7427 | /* op6 */ | |
7428 | if (target_read_memory (oaddr2 + 0x68, buf, 8)) | |
7429 | return -1; | |
7430 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7431 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7432 | if (record_full_arch_list_add_mem (oaddr3, 16)) | |
7433 | return -1; | |
7434 | /* fallthru */ | |
7435 | case 0x0f: /* CSSTX */ | |
7436 | CSSTX: | |
7437 | /* op4 */ | |
7438 | if (target_read_memory (oaddr2 + 0x48, buf, 8)) | |
7439 | return -1; | |
7440 | oaddr3 = extract_unsigned_integer (buf, 8, byte_order); | |
7441 | oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3); | |
7442 | if (record_full_arch_list_add_mem (oaddr3, 16)) | |
7443 | return -1; | |
7444 | /* fallthru */ | |
7445 | case 0x07: /* CSX */ | |
7446 | /* op1c */ | |
7447 | if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16)) | |
7448 | return -1; | |
7449 | /* op2 */ | |
7450 | if (record_full_arch_list_add_mem (oaddr, 16)) | |
7451 | return -1; | |
7452 | break; | |
7453 | ||
7454 | default: | |
7455 | fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PLO FC %02x at %s.\n", | |
7456 | fc, paddress (gdbarch, addr)); | |
7457 | return -1; | |
7458 | } | |
7459 | } | |
7460 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7461 | return -1; | |
7462 | break; | |
7463 | ||
7464 | case 0xef: /* LMD - load multiple disjoint */ | |
7465 | for (i = inib[2]; i != inib[3]; i++, i &= 0xf) | |
7466 | if (s390_record_gpr_g (gdbarch, regcache, i)) | |
7467 | return -1; | |
7468 | if (s390_record_gpr_g (gdbarch, regcache, inib[3])) | |
7469 | return -1; | |
7470 | break; | |
7471 | ||
7472 | case 0xf0: /* SRP - shift and round decimal */ | |
7473 | case 0xf8: /* ZAP - zero and add */ | |
7474 | case 0xfa: /* AP - add decimal */ | |
7475 | case 0xfb: /* SP - subtract decimal */ | |
7476 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7477 | if (record_full_arch_list_add_mem (oaddr, inib[2] + 1)) | |
7478 | return -1; | |
7479 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7480 | return -1; | |
7481 | /* DXC may be written */ | |
7482 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
7483 | return -1; | |
7484 | break; | |
7485 | ||
7486 | case 0xf1: /* MVO - move with offset */ | |
7487 | case 0xf2: /* PACK - pack */ | |
7488 | case 0xf3: /* UNPK - unpack */ | |
7489 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7490 | if (record_full_arch_list_add_mem (oaddr, inib[2] + 1)) | |
7491 | return -1; | |
7492 | break; | |
7493 | ||
7494 | /* 0xf4-0xf7 undefined */ | |
7495 | ||
7496 | case 0xf9: /* CP - compare decimal */ | |
7497 | if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM)) | |
7498 | return -1; | |
7499 | /* DXC may be written */ | |
7500 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
7501 | return -1; | |
7502 | break; | |
7503 | ||
7504 | case 0xfc: /* MP - multiply decimal */ | |
7505 | case 0xfd: /* DP - divide decimal */ | |
7506 | oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0); | |
7507 | if (record_full_arch_list_add_mem (oaddr, inib[2] + 1)) | |
7508 | return -1; | |
7509 | /* DXC may be written */ | |
7510 | if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM)) | |
7511 | return -1; | |
7512 | break; | |
7513 | ||
7514 | /* 0xfe-0xff undefined */ | |
7515 | ||
7516 | default: | |
7517 | UNKNOWN_OP: | |
7518 | fprintf_unfiltered (gdb_stdlog, "Warning: Don't know how to record %04x " | |
7519 | "at %s.\n", insn[0], paddress (gdbarch, addr)); | |
7520 | return -1; | |
7521 | } | |
7522 | ||
7523 | if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM)) | |
7524 | return -1; | |
7525 | if (record_full_arch_list_add_end ()) | |
7526 | return -1; | |
7527 | return 0; | |
7528 | } | |
7529 | ||
7530 | /* Initialize linux_record_tdep if not initialized yet. */ | |
7531 | ||
7532 | static void | |
7533 | s390_init_linux_record_tdep (struct linux_record_tdep *record_tdep, | |
7534 | enum s390_abi_kind abi) | |
7535 | { | |
7536 | /* These values are the size of the type that will be used in a system | |
7537 | call. They are obtained from Linux Kernel source. */ | |
7538 | ||
7539 | if (abi == ABI_LINUX_ZSERIES) | |
7540 | { | |
7541 | record_tdep->size_pointer = 8; | |
7542 | /* no _old_kernel_stat */ | |
7543 | record_tdep->size_tms = 32; | |
7544 | record_tdep->size_loff_t = 8; | |
7545 | record_tdep->size_flock = 32; | |
7546 | record_tdep->size_ustat = 32; | |
7547 | record_tdep->size_old_sigaction = 32; | |
7548 | record_tdep->size_old_sigset_t = 8; | |
7549 | record_tdep->size_rlimit = 16; | |
7550 | record_tdep->size_rusage = 144; | |
7551 | record_tdep->size_timeval = 16; | |
7552 | record_tdep->size_timezone = 8; | |
7553 | /* old_[ug]id_t never used */ | |
7554 | record_tdep->size_fd_set = 128; | |
7555 | record_tdep->size_old_dirent = 280; | |
7556 | record_tdep->size_statfs = 88; | |
7557 | record_tdep->size_statfs64 = 88; | |
7558 | record_tdep->size_sockaddr = 16; | |
7559 | record_tdep->size_int = 4; | |
7560 | record_tdep->size_long = 8; | |
7561 | record_tdep->size_ulong = 8; | |
7562 | record_tdep->size_msghdr = 56; | |
7563 | record_tdep->size_itimerval = 32; | |
7564 | record_tdep->size_stat = 144; | |
7565 | /* old_utsname unused */ | |
7566 | record_tdep->size_sysinfo = 112; | |
7567 | record_tdep->size_msqid_ds = 120; | |
7568 | record_tdep->size_shmid_ds = 112; | |
7569 | record_tdep->size_new_utsname = 390; | |
7570 | record_tdep->size_timex = 208; | |
7571 | record_tdep->size_mem_dqinfo = 24; | |
7572 | record_tdep->size_if_dqblk = 72; | |
7573 | record_tdep->size_fs_quota_stat = 80; | |
7574 | record_tdep->size_timespec = 16; | |
7575 | record_tdep->size_pollfd = 8; | |
7576 | record_tdep->size_NFS_FHSIZE = 32; | |
7577 | record_tdep->size_knfsd_fh = 132; | |
7578 | record_tdep->size_TASK_COMM_LEN = 16; | |
7579 | record_tdep->size_sigaction = 32; | |
7580 | record_tdep->size_sigset_t = 8; | |
7581 | record_tdep->size_siginfo_t = 128; | |
7582 | record_tdep->size_cap_user_data_t = 12; | |
7583 | record_tdep->size_stack_t = 24; | |
7584 | record_tdep->size_off_t = 8; | |
7585 | /* stat64 unused */ | |
7586 | record_tdep->size_gid_t = 4; | |
7587 | record_tdep->size_uid_t = 4; | |
7588 | record_tdep->size_PAGE_SIZE = 0x1000; /* 4KB */ | |
7589 | record_tdep->size_flock64 = 32; | |
7590 | record_tdep->size_io_event = 32; | |
7591 | record_tdep->size_iocb = 64; | |
7592 | record_tdep->size_epoll_event = 16; | |
7593 | record_tdep->size_itimerspec = 32; | |
7594 | record_tdep->size_mq_attr = 64; | |
7595 | record_tdep->size_termios = 36; | |
7596 | record_tdep->size_termios2 = 44; | |
7597 | record_tdep->size_pid_t = 4; | |
7598 | record_tdep->size_winsize = 8; | |
7599 | record_tdep->size_serial_struct = 72; | |
7600 | record_tdep->size_serial_icounter_struct = 80; | |
7601 | record_tdep->size_size_t = 8; | |
7602 | record_tdep->size_iovec = 16; | |
7603 | record_tdep->size_time_t = 8; | |
7604 | } | |
7605 | else if (abi == ABI_LINUX_S390) | |
7606 | { | |
7607 | record_tdep->size_pointer = 4; | |
7608 | record_tdep->size__old_kernel_stat = 32; | |
7609 | record_tdep->size_tms = 16; | |
7610 | record_tdep->size_loff_t = 8; | |
7611 | record_tdep->size_flock = 16; | |
7612 | record_tdep->size_ustat = 20; | |
7613 | record_tdep->size_old_sigaction = 16; | |
7614 | record_tdep->size_old_sigset_t = 4; | |
7615 | record_tdep->size_rlimit = 8; | |
7616 | record_tdep->size_rusage = 72; | |
7617 | record_tdep->size_timeval = 8; | |
7618 | record_tdep->size_timezone = 8; | |
7619 | record_tdep->size_old_gid_t = 2; | |
7620 | record_tdep->size_old_uid_t = 2; | |
7621 | record_tdep->size_fd_set = 128; | |
7622 | record_tdep->size_old_dirent = 268; | |
7623 | record_tdep->size_statfs = 64; | |
7624 | record_tdep->size_statfs64 = 88; | |
7625 | record_tdep->size_sockaddr = 16; | |
7626 | record_tdep->size_int = 4; | |
7627 | record_tdep->size_long = 4; | |
7628 | record_tdep->size_ulong = 4; | |
7629 | record_tdep->size_msghdr = 28; | |
7630 | record_tdep->size_itimerval = 16; | |
7631 | record_tdep->size_stat = 64; | |
7632 | /* old_utsname unused */ | |
7633 | record_tdep->size_sysinfo = 64; | |
7634 | record_tdep->size_msqid_ds = 88; | |
7635 | record_tdep->size_shmid_ds = 84; | |
7636 | record_tdep->size_new_utsname = 390; | |
7637 | record_tdep->size_timex = 128; | |
7638 | record_tdep->size_mem_dqinfo = 24; | |
7639 | record_tdep->size_if_dqblk = 72; | |
7640 | record_tdep->size_fs_quota_stat = 80; | |
7641 | record_tdep->size_timespec = 8; | |
7642 | record_tdep->size_pollfd = 8; | |
7643 | record_tdep->size_NFS_FHSIZE = 32; | |
7644 | record_tdep->size_knfsd_fh = 132; | |
7645 | record_tdep->size_TASK_COMM_LEN = 16; | |
7646 | record_tdep->size_sigaction = 20; | |
7647 | record_tdep->size_sigset_t = 8; | |
7648 | record_tdep->size_siginfo_t = 128; | |
7649 | record_tdep->size_cap_user_data_t = 12; | |
7650 | record_tdep->size_stack_t = 12; | |
7651 | record_tdep->size_off_t = 4; | |
7652 | record_tdep->size_stat64 = 104; | |
7653 | record_tdep->size_gid_t = 4; | |
7654 | record_tdep->size_uid_t = 4; | |
7655 | record_tdep->size_PAGE_SIZE = 0x1000; /* 4KB */ | |
7656 | record_tdep->size_flock64 = 32; | |
7657 | record_tdep->size_io_event = 32; | |
7658 | record_tdep->size_iocb = 64; | |
7659 | record_tdep->size_epoll_event = 16; | |
7660 | record_tdep->size_itimerspec = 16; | |
7661 | record_tdep->size_mq_attr = 32; | |
7662 | record_tdep->size_termios = 36; | |
7663 | record_tdep->size_termios2 = 44; | |
7664 | record_tdep->size_pid_t = 4; | |
7665 | record_tdep->size_winsize = 8; | |
7666 | record_tdep->size_serial_struct = 60; | |
7667 | record_tdep->size_serial_icounter_struct = 80; | |
7668 | record_tdep->size_size_t = 4; | |
7669 | record_tdep->size_iovec = 8; | |
7670 | record_tdep->size_time_t = 4; | |
7671 | } | |
7672 | ||
7673 | /* These values are the second argument of system call "sys_fcntl" | |
7674 | and "sys_fcntl64". They are obtained from Linux Kernel source. */ | |
7675 | record_tdep->fcntl_F_GETLK = 5; | |
7676 | record_tdep->fcntl_F_GETLK64 = 12; | |
7677 | record_tdep->fcntl_F_SETLK64 = 13; | |
7678 | record_tdep->fcntl_F_SETLKW64 = 14; | |
7679 | ||
7680 | record_tdep->arg1 = S390_R2_REGNUM; | |
7681 | record_tdep->arg2 = S390_R3_REGNUM; | |
7682 | record_tdep->arg3 = S390_R4_REGNUM; | |
7683 | record_tdep->arg4 = S390_R5_REGNUM; | |
7684 | record_tdep->arg5 = S390_R6_REGNUM; | |
7685 | ||
7686 | /* These values are the second argument of system call "sys_ioctl". | |
7687 | They are obtained from Linux Kernel source. | |
7688 | See arch/s390/include/uapi/asm/ioctls.h. */ | |
7689 | ||
7690 | record_tdep->ioctl_TCGETS = 0x5401; | |
7691 | record_tdep->ioctl_TCSETS = 0x5402; | |
7692 | record_tdep->ioctl_TCSETSW = 0x5403; | |
7693 | record_tdep->ioctl_TCSETSF = 0x5404; | |
7694 | record_tdep->ioctl_TCGETA = 0x5405; | |
7695 | record_tdep->ioctl_TCSETA = 0x5406; | |
7696 | record_tdep->ioctl_TCSETAW = 0x5407; | |
7697 | record_tdep->ioctl_TCSETAF = 0x5408; | |
7698 | record_tdep->ioctl_TCSBRK = 0x5409; | |
7699 | record_tdep->ioctl_TCXONC = 0x540a; | |
7700 | record_tdep->ioctl_TCFLSH = 0x540b; | |
7701 | record_tdep->ioctl_TIOCEXCL = 0x540c; | |
7702 | record_tdep->ioctl_TIOCNXCL = 0x540d; | |
7703 | record_tdep->ioctl_TIOCSCTTY = 0x540e; | |
7704 | record_tdep->ioctl_TIOCGPGRP = 0x540f; | |
7705 | record_tdep->ioctl_TIOCSPGRP = 0x5410; | |
7706 | record_tdep->ioctl_TIOCOUTQ = 0x5411; | |
7707 | record_tdep->ioctl_TIOCSTI = 0x5412; | |
7708 | record_tdep->ioctl_TIOCGWINSZ = 0x5413; | |
7709 | record_tdep->ioctl_TIOCSWINSZ = 0x5414; | |
7710 | record_tdep->ioctl_TIOCMGET = 0x5415; | |
7711 | record_tdep->ioctl_TIOCMBIS = 0x5416; | |
7712 | record_tdep->ioctl_TIOCMBIC = 0x5417; | |
7713 | record_tdep->ioctl_TIOCMSET = 0x5418; | |
7714 | record_tdep->ioctl_TIOCGSOFTCAR = 0x5419; | |
7715 | record_tdep->ioctl_TIOCSSOFTCAR = 0x541a; | |
7716 | record_tdep->ioctl_FIONREAD = 0x541b; | |
7717 | record_tdep->ioctl_TIOCINQ = 0x541b; /* alias */ | |
7718 | record_tdep->ioctl_TIOCLINUX = 0x541c; | |
7719 | record_tdep->ioctl_TIOCCONS = 0x541d; | |
7720 | record_tdep->ioctl_TIOCGSERIAL = 0x541e; | |
7721 | record_tdep->ioctl_TIOCSSERIAL = 0x541f; | |
7722 | record_tdep->ioctl_TIOCPKT = 0x5420; | |
7723 | record_tdep->ioctl_FIONBIO = 0x5421; | |
7724 | record_tdep->ioctl_TIOCNOTTY = 0x5422; | |
7725 | record_tdep->ioctl_TIOCSETD = 0x5423; | |
7726 | record_tdep->ioctl_TIOCGETD = 0x5424; | |
7727 | record_tdep->ioctl_TCSBRKP = 0x5425; | |
7728 | record_tdep->ioctl_TIOCSBRK = 0x5427; | |
7729 | record_tdep->ioctl_TIOCCBRK = 0x5428; | |
7730 | record_tdep->ioctl_TIOCGSID = 0x5429; | |
7731 | record_tdep->ioctl_TCGETS2 = 0x802c542a; | |
7732 | record_tdep->ioctl_TCSETS2 = 0x402c542b; | |
7733 | record_tdep->ioctl_TCSETSW2 = 0x402c542c; | |
7734 | record_tdep->ioctl_TCSETSF2 = 0x402c542d; | |
7735 | record_tdep->ioctl_TIOCGPTN = 0x80045430; | |
7736 | record_tdep->ioctl_TIOCSPTLCK = 0x40045431; | |
7737 | record_tdep->ioctl_FIONCLEX = 0x5450; | |
7738 | record_tdep->ioctl_FIOCLEX = 0x5451; | |
7739 | record_tdep->ioctl_FIOASYNC = 0x5452; | |
7740 | record_tdep->ioctl_TIOCSERCONFIG = 0x5453; | |
7741 | record_tdep->ioctl_TIOCSERGWILD = 0x5454; | |
7742 | record_tdep->ioctl_TIOCSERSWILD = 0x5455; | |
7743 | record_tdep->ioctl_TIOCGLCKTRMIOS = 0x5456; | |
7744 | record_tdep->ioctl_TIOCSLCKTRMIOS = 0x5457; | |
7745 | record_tdep->ioctl_TIOCSERGSTRUCT = 0x5458; | |
7746 | record_tdep->ioctl_TIOCSERGETLSR = 0x5459; | |
7747 | record_tdep->ioctl_TIOCSERGETMULTI = 0x545a; | |
7748 | record_tdep->ioctl_TIOCSERSETMULTI = 0x545b; | |
7749 | record_tdep->ioctl_TIOCMIWAIT = 0x545c; | |
7750 | record_tdep->ioctl_TIOCGICOUNT = 0x545d; | |
7751 | record_tdep->ioctl_FIOQSIZE = 0x545e; | |
7752 | } | |
7753 | ||
a8c99f38 JB |
7754 | /* Set up gdbarch struct. */ |
7755 | ||
a78f21af | 7756 | static struct gdbarch * |
5769d3cd AC |
7757 | s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) |
7758 | { | |
7803799a UW |
7759 | const struct target_desc *tdesc = info.target_desc; |
7760 | struct tdesc_arch_data *tdesc_data = NULL; | |
5769d3cd AC |
7761 | struct gdbarch *gdbarch; |
7762 | struct gdbarch_tdep *tdep; | |
f486487f | 7763 | enum s390_abi_kind tdep_abi; |
417c80f9 | 7764 | enum s390_vector_abi_kind vector_abi; |
7803799a | 7765 | int have_upper = 0; |
c642a434 UW |
7766 | int have_linux_v1 = 0; |
7767 | int have_linux_v2 = 0; | |
5aa82d05 | 7768 | int have_tdb = 0; |
550bdf96 | 7769 | int have_vx = 0; |
7803799a | 7770 | int first_pseudo_reg, last_pseudo_reg; |
05c0465e SDJ |
7771 | static const char *const stap_register_prefixes[] = { "%", NULL }; |
7772 | static const char *const stap_register_indirection_prefixes[] = { "(", | |
7773 | NULL }; | |
7774 | static const char *const stap_register_indirection_suffixes[] = { ")", | |
7775 | NULL }; | |
7803799a UW |
7776 | |
7777 | /* Default ABI and register size. */ | |
7778 | switch (info.bfd_arch_info->mach) | |
7779 | { | |
7780 | case bfd_mach_s390_31: | |
7781 | tdep_abi = ABI_LINUX_S390; | |
7782 | break; | |
7783 | ||
7784 | case bfd_mach_s390_64: | |
7785 | tdep_abi = ABI_LINUX_ZSERIES; | |
7786 | break; | |
7787 | ||
7788 | default: | |
7789 | return NULL; | |
7790 | } | |
7791 | ||
7792 | /* Use default target description if none provided by the target. */ | |
7793 | if (!tdesc_has_registers (tdesc)) | |
7794 | { | |
7795 | if (tdep_abi == ABI_LINUX_S390) | |
7796 | tdesc = tdesc_s390_linux32; | |
7797 | else | |
7798 | tdesc = tdesc_s390x_linux64; | |
7799 | } | |
7800 | ||
7801 | /* Check any target description for validity. */ | |
7802 | if (tdesc_has_registers (tdesc)) | |
7803 | { | |
7804 | static const char *const gprs[] = { | |
7805 | "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", | |
7806 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" | |
7807 | }; | |
7808 | static const char *const fprs[] = { | |
7809 | "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", | |
7810 | "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15" | |
7811 | }; | |
7812 | static const char *const acrs[] = { | |
7813 | "acr0", "acr1", "acr2", "acr3", "acr4", "acr5", "acr6", "acr7", | |
7814 | "acr8", "acr9", "acr10", "acr11", "acr12", "acr13", "acr14", "acr15" | |
7815 | }; | |
7816 | static const char *const gprs_lower[] = { | |
7817 | "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l", | |
7818 | "r8l", "r9l", "r10l", "r11l", "r12l", "r13l", "r14l", "r15l" | |
7819 | }; | |
7820 | static const char *const gprs_upper[] = { | |
7821 | "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h", | |
7822 | "r8h", "r9h", "r10h", "r11h", "r12h", "r13h", "r14h", "r15h" | |
7823 | }; | |
4ac33720 UW |
7824 | static const char *const tdb_regs[] = { |
7825 | "tdb0", "tac", "tct", "atia", | |
7826 | "tr0", "tr1", "tr2", "tr3", "tr4", "tr5", "tr6", "tr7", | |
7827 | "tr8", "tr9", "tr10", "tr11", "tr12", "tr13", "tr14", "tr15" | |
7828 | }; | |
550bdf96 AA |
7829 | static const char *const vxrs_low[] = { |
7830 | "v0l", "v1l", "v2l", "v3l", "v4l", "v5l", "v6l", "v7l", "v8l", | |
7831 | "v9l", "v10l", "v11l", "v12l", "v13l", "v14l", "v15l", | |
7832 | }; | |
7833 | static const char *const vxrs_high[] = { | |
7834 | "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", | |
7835 | "v25", "v26", "v27", "v28", "v29", "v30", "v31", | |
7836 | }; | |
7803799a UW |
7837 | const struct tdesc_feature *feature; |
7838 | int i, valid_p = 1; | |
7839 | ||
7840 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.core"); | |
7841 | if (feature == NULL) | |
7842 | return NULL; | |
7843 | ||
7844 | tdesc_data = tdesc_data_alloc (); | |
7845 | ||
7846 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7847 | S390_PSWM_REGNUM, "pswm"); | |
7848 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7849 | S390_PSWA_REGNUM, "pswa"); | |
7850 | ||
7851 | if (tdesc_unnumbered_register (feature, "r0")) | |
7852 | { | |
7853 | for (i = 0; i < 16; i++) | |
7854 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7855 | S390_R0_REGNUM + i, gprs[i]); | |
7856 | } | |
7857 | else | |
7858 | { | |
7859 | have_upper = 1; | |
7860 | ||
7861 | for (i = 0; i < 16; i++) | |
7862 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7863 | S390_R0_REGNUM + i, | |
7864 | gprs_lower[i]); | |
7865 | for (i = 0; i < 16; i++) | |
7866 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7867 | S390_R0_UPPER_REGNUM + i, | |
7868 | gprs_upper[i]); | |
7869 | } | |
7870 | ||
7871 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.fpr"); | |
7872 | if (feature == NULL) | |
7873 | { | |
7874 | tdesc_data_cleanup (tdesc_data); | |
7875 | return NULL; | |
7876 | } | |
7877 | ||
7878 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7879 | S390_FPC_REGNUM, "fpc"); | |
7880 | for (i = 0; i < 16; i++) | |
7881 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7882 | S390_F0_REGNUM + i, fprs[i]); | |
5769d3cd | 7883 | |
7803799a UW |
7884 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.acr"); |
7885 | if (feature == NULL) | |
7886 | { | |
7887 | tdesc_data_cleanup (tdesc_data); | |
7888 | return NULL; | |
7889 | } | |
7890 | ||
7891 | for (i = 0; i < 16; i++) | |
7892 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7893 | S390_A0_REGNUM + i, acrs[i]); | |
7894 | ||
94eae614 | 7895 | /* Optional GNU/Linux-specific "registers". */ |
c642a434 UW |
7896 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.linux"); |
7897 | if (feature) | |
7898 | { | |
7899 | tdesc_numbered_register (feature, tdesc_data, | |
7900 | S390_ORIG_R2_REGNUM, "orig_r2"); | |
7901 | ||
7902 | if (tdesc_numbered_register (feature, tdesc_data, | |
7903 | S390_LAST_BREAK_REGNUM, "last_break")) | |
7904 | have_linux_v1 = 1; | |
7905 | ||
7906 | if (tdesc_numbered_register (feature, tdesc_data, | |
7907 | S390_SYSTEM_CALL_REGNUM, "system_call")) | |
7908 | have_linux_v2 = 1; | |
7909 | ||
7910 | if (have_linux_v2 > have_linux_v1) | |
7911 | valid_p = 0; | |
7912 | } | |
7913 | ||
4ac33720 UW |
7914 | /* Transaction diagnostic block. */ |
7915 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.tdb"); | |
7916 | if (feature) | |
7917 | { | |
7918 | for (i = 0; i < ARRAY_SIZE (tdb_regs); i++) | |
7919 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7920 | S390_TDB_DWORD0_REGNUM + i, | |
7921 | tdb_regs[i]); | |
5aa82d05 | 7922 | have_tdb = 1; |
4ac33720 UW |
7923 | } |
7924 | ||
550bdf96 AA |
7925 | /* Vector registers. */ |
7926 | feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.vx"); | |
7927 | if (feature) | |
7928 | { | |
7929 | for (i = 0; i < 16; i++) | |
7930 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7931 | S390_V0_LOWER_REGNUM + i, | |
7932 | vxrs_low[i]); | |
7933 | for (i = 0; i < 16; i++) | |
7934 | valid_p &= tdesc_numbered_register (feature, tdesc_data, | |
7935 | S390_V16_REGNUM + i, | |
7936 | vxrs_high[i]); | |
7937 | have_vx = 1; | |
7938 | } | |
7939 | ||
7803799a UW |
7940 | if (!valid_p) |
7941 | { | |
7942 | tdesc_data_cleanup (tdesc_data); | |
7943 | return NULL; | |
7944 | } | |
7945 | } | |
5769d3cd | 7946 | |
417c80f9 AA |
7947 | /* Determine vector ABI. */ |
7948 | vector_abi = S390_VECTOR_ABI_NONE; | |
7949 | #ifdef HAVE_ELF | |
7950 | if (have_vx | |
7951 | && info.abfd != NULL | |
7952 | && info.abfd->format == bfd_object | |
7953 | && bfd_get_flavour (info.abfd) == bfd_target_elf_flavour | |
7954 | && bfd_elf_get_obj_attr_int (info.abfd, OBJ_ATTR_GNU, | |
7955 | Tag_GNU_S390_ABI_Vector) == 2) | |
7956 | vector_abi = S390_VECTOR_ABI_128; | |
7957 | #endif | |
7958 | ||
7803799a UW |
7959 | /* Find a candidate among extant architectures. */ |
7960 | for (arches = gdbarch_list_lookup_by_info (arches, &info); | |
7961 | arches != NULL; | |
7962 | arches = gdbarch_list_lookup_by_info (arches->next, &info)) | |
7963 | { | |
7964 | tdep = gdbarch_tdep (arches->gdbarch); | |
7965 | if (!tdep) | |
7966 | continue; | |
7967 | if (tdep->abi != tdep_abi) | |
7968 | continue; | |
417c80f9 AA |
7969 | if (tdep->vector_abi != vector_abi) |
7970 | continue; | |
7803799a UW |
7971 | if ((tdep->gpr_full_regnum != -1) != have_upper) |
7972 | continue; | |
7973 | if (tdesc_data != NULL) | |
7974 | tdesc_data_cleanup (tdesc_data); | |
7975 | return arches->gdbarch; | |
7976 | } | |
5769d3cd | 7977 | |
7803799a | 7978 | /* Otherwise create a new gdbarch for the specified machine type. */ |
fc270c35 | 7979 | tdep = XCNEW (struct gdbarch_tdep); |
7803799a | 7980 | tdep->abi = tdep_abi; |
417c80f9 | 7981 | tdep->vector_abi = vector_abi; |
5aa82d05 AA |
7982 | tdep->have_linux_v1 = have_linux_v1; |
7983 | tdep->have_linux_v2 = have_linux_v2; | |
7984 | tdep->have_tdb = have_tdb; | |
d0f54f9d | 7985 | gdbarch = gdbarch_alloc (&info, tdep); |
5769d3cd AC |
7986 | |
7987 | set_gdbarch_believe_pcc_promotion (gdbarch, 0); | |
4e409299 | 7988 | set_gdbarch_char_signed (gdbarch, 0); |
5769d3cd | 7989 | |
1de90795 UW |
7990 | /* S/390 GNU/Linux uses either 64-bit or 128-bit long doubles. |
7991 | We can safely let them default to 128-bit, since the debug info | |
7992 | will give the size of type actually used in each case. */ | |
7993 | set_gdbarch_long_double_bit (gdbarch, 128); | |
7994 | set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad); | |
7995 | ||
aaab4dba | 7996 | /* Amount PC must be decremented by after a breakpoint. This is |
3b3b875c | 7997 | often the number of bytes returned by gdbarch_breakpoint_from_pc but not |
aaab4dba | 7998 | always. */ |
5769d3cd | 7999 | set_gdbarch_decr_pc_after_break (gdbarch, 2); |
5769d3cd AC |
8000 | /* Stack grows downward. */ |
8001 | set_gdbarch_inner_than (gdbarch, core_addr_lessthan); | |
04180708 YQ |
8002 | set_gdbarch_breakpoint_kind_from_pc (gdbarch, s390_breakpoint::kind_from_pc); |
8003 | set_gdbarch_sw_breakpoint_from_kind (gdbarch, s390_breakpoint::bp_from_kind); | |
6df55226 MK |
8004 | set_gdbarch_software_single_step (gdbarch, s390_software_single_step); |
8005 | set_gdbarch_displaced_step_hw_singlestep (gdbarch, s390_displaced_step_hw_singlestep); | |
5769d3cd | 8006 | set_gdbarch_skip_prologue (gdbarch, s390_skip_prologue); |
c9cf6e20 | 8007 | set_gdbarch_stack_frame_destroyed_p (gdbarch, s390_stack_frame_destroyed_p); |
a8c99f38 | 8008 | |
7803799a | 8009 | set_gdbarch_num_regs (gdbarch, S390_NUM_REGS); |
5769d3cd | 8010 | set_gdbarch_sp_regnum (gdbarch, S390_SP_REGNUM); |
d0f54f9d | 8011 | set_gdbarch_fp0_regnum (gdbarch, S390_F0_REGNUM); |
d0f54f9d | 8012 | set_gdbarch_stab_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum); |
d0f54f9d | 8013 | set_gdbarch_dwarf2_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum); |
9acbedc0 | 8014 | set_gdbarch_value_from_register (gdbarch, s390_value_from_register); |
7803799a | 8015 | set_gdbarch_core_read_description (gdbarch, s390_core_read_description); |
5aa82d05 AA |
8016 | set_gdbarch_iterate_over_regset_sections (gdbarch, |
8017 | s390_iterate_over_regset_sections); | |
c642a434 UW |
8018 | set_gdbarch_cannot_store_register (gdbarch, s390_cannot_store_register); |
8019 | set_gdbarch_write_pc (gdbarch, s390_write_pc); | |
f79a3bae | 8020 | set_gdbarch_guess_tracepoint_registers (gdbarch, s390_guess_tracepoint_registers); |
7803799a UW |
8021 | set_gdbarch_pseudo_register_read (gdbarch, s390_pseudo_register_read); |
8022 | set_gdbarch_pseudo_register_write (gdbarch, s390_pseudo_register_write); | |
8023 | set_tdesc_pseudo_register_name (gdbarch, s390_pseudo_register_name); | |
8024 | set_tdesc_pseudo_register_type (gdbarch, s390_pseudo_register_type); | |
8025 | set_tdesc_pseudo_register_reggroup_p (gdbarch, | |
34201ae3 | 8026 | s390_pseudo_register_reggroup_p); |
c4b3e547 MK |
8027 | set_gdbarch_ax_pseudo_register_collect (gdbarch, |
8028 | s390_ax_pseudo_register_collect); | |
8029 | set_gdbarch_ax_pseudo_register_push_stack | |
8030 | (gdbarch, s390_ax_pseudo_register_push_stack); | |
70104a90 | 8031 | set_gdbarch_gen_return_address (gdbarch, s390_gen_return_address); |
7803799a | 8032 | tdesc_use_registers (gdbarch, tdesc, tdesc_data); |
550bdf96 | 8033 | set_gdbarch_register_name (gdbarch, s390_register_name); |
7803799a UW |
8034 | |
8035 | /* Assign pseudo register numbers. */ | |
8036 | first_pseudo_reg = gdbarch_num_regs (gdbarch); | |
8037 | last_pseudo_reg = first_pseudo_reg; | |
8038 | tdep->gpr_full_regnum = -1; | |
8039 | if (have_upper) | |
8040 | { | |
8041 | tdep->gpr_full_regnum = last_pseudo_reg; | |
8042 | last_pseudo_reg += 16; | |
8043 | } | |
550bdf96 AA |
8044 | tdep->v0_full_regnum = -1; |
8045 | if (have_vx) | |
8046 | { | |
8047 | tdep->v0_full_regnum = last_pseudo_reg; | |
8048 | last_pseudo_reg += 16; | |
8049 | } | |
7803799a UW |
8050 | tdep->pc_regnum = last_pseudo_reg++; |
8051 | tdep->cc_regnum = last_pseudo_reg++; | |
8052 | set_gdbarch_pc_regnum (gdbarch, tdep->pc_regnum); | |
8053 | set_gdbarch_num_pseudo_regs (gdbarch, last_pseudo_reg - first_pseudo_reg); | |
5769d3cd | 8054 | |
b0cf273e JB |
8055 | /* Inferior function calls. */ |
8056 | set_gdbarch_push_dummy_call (gdbarch, s390_push_dummy_call); | |
f089c433 | 8057 | set_gdbarch_dummy_id (gdbarch, s390_dummy_id); |
4074e13c | 8058 | set_gdbarch_frame_align (gdbarch, s390_frame_align); |
b0cf273e | 8059 | set_gdbarch_return_value (gdbarch, s390_return_value); |
5769d3cd | 8060 | |
237b092b AA |
8061 | /* Syscall handling. */ |
8062 | set_gdbarch_get_syscall_number (gdbarch, s390_linux_get_syscall_number); | |
8063 | ||
a8c99f38 | 8064 | /* Frame handling. */ |
a431654a | 8065 | dwarf2_frame_set_init_reg (gdbarch, s390_dwarf2_frame_init_reg); |
7803799a | 8066 | dwarf2_frame_set_adjust_regnum (gdbarch, s390_adjust_frame_regnum); |
f089c433 | 8067 | dwarf2_append_unwinders (gdbarch); |
a431654a | 8068 | frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer); |
f089c433 UW |
8069 | frame_unwind_append_unwinder (gdbarch, &s390_stub_frame_unwind); |
8070 | frame_unwind_append_unwinder (gdbarch, &s390_sigtramp_frame_unwind); | |
8071 | frame_unwind_append_unwinder (gdbarch, &s390_frame_unwind); | |
a8c99f38 JB |
8072 | frame_base_set_default (gdbarch, &s390_frame_base); |
8073 | set_gdbarch_unwind_pc (gdbarch, s390_unwind_pc); | |
8074 | set_gdbarch_unwind_sp (gdbarch, s390_unwind_sp); | |
8075 | ||
1db4e8a0 UW |
8076 | /* Displaced stepping. */ |
8077 | set_gdbarch_displaced_step_copy_insn (gdbarch, | |
5ac21343 | 8078 | s390_displaced_step_copy_insn); |
1db4e8a0 | 8079 | set_gdbarch_displaced_step_fixup (gdbarch, s390_displaced_step_fixup); |
906d60cf | 8080 | set_gdbarch_displaced_step_location (gdbarch, linux_displaced_step_location); |
1db4e8a0 UW |
8081 | set_gdbarch_max_insn_length (gdbarch, S390_MAX_INSTR_SIZE); |
8082 | ||
70728992 PA |
8083 | /* Note that GNU/Linux is the only OS supported on this |
8084 | platform. */ | |
8085 | linux_init_abi (info, gdbarch); | |
8086 | ||
7803799a | 8087 | switch (tdep->abi) |
5769d3cd | 8088 | { |
7803799a | 8089 | case ABI_LINUX_S390: |
5769d3cd | 8090 | set_gdbarch_addr_bits_remove (gdbarch, s390_addr_bits_remove); |
76a9d10f MK |
8091 | set_solib_svr4_fetch_link_map_offsets |
8092 | (gdbarch, svr4_ilp32_fetch_link_map_offsets); | |
c642a434 | 8093 | |
458c8db8 | 8094 | set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390); |
5769d3cd | 8095 | break; |
b0cf273e | 8096 | |
7803799a | 8097 | case ABI_LINUX_ZSERIES: |
5769d3cd AC |
8098 | set_gdbarch_long_bit (gdbarch, 64); |
8099 | set_gdbarch_long_long_bit (gdbarch, 64); | |
8100 | set_gdbarch_ptr_bit (gdbarch, 64); | |
76a9d10f MK |
8101 | set_solib_svr4_fetch_link_map_offsets |
8102 | (gdbarch, svr4_lp64_fetch_link_map_offsets); | |
ffc65945 | 8103 | set_gdbarch_address_class_type_flags (gdbarch, |
34201ae3 | 8104 | s390_address_class_type_flags); |
ffc65945 | 8105 | set_gdbarch_address_class_type_flags_to_name (gdbarch, |
34201ae3 | 8106 | s390_address_class_type_flags_to_name); |
ffc65945 | 8107 | set_gdbarch_address_class_name_to_type_flags (gdbarch, |
34201ae3 | 8108 | s390_address_class_name_to_type_flags); |
d851a69a | 8109 | set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390X); |
5769d3cd AC |
8110 | break; |
8111 | } | |
8112 | ||
982e9687 UW |
8113 | set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); |
8114 | ||
b2756930 KB |
8115 | /* Enable TLS support. */ |
8116 | set_gdbarch_fetch_tls_load_module_address (gdbarch, | |
34201ae3 | 8117 | svr4_fetch_objfile_link_map); |
b2756930 | 8118 | |
55aa24fb | 8119 | /* SystemTap functions. */ |
05c0465e SDJ |
8120 | set_gdbarch_stap_register_prefixes (gdbarch, stap_register_prefixes); |
8121 | set_gdbarch_stap_register_indirection_prefixes (gdbarch, | |
8122 | stap_register_indirection_prefixes); | |
8123 | set_gdbarch_stap_register_indirection_suffixes (gdbarch, | |
8124 | stap_register_indirection_suffixes); | |
55aa24fb | 8125 | set_gdbarch_stap_is_single_operand (gdbarch, s390_stap_is_single_operand); |
60abeae4 AA |
8126 | set_gdbarch_gcc_target_options (gdbarch, s390_gcc_target_options); |
8127 | set_gdbarch_gnu_triplet_regexp (gdbarch, s390_gnu_triplet_regexp); | |
55aa24fb | 8128 | |
566c56c9 MK |
8129 | /* Support reverse debugging. */ |
8130 | ||
8131 | set_gdbarch_process_record (gdbarch, s390_process_record); | |
8132 | set_gdbarch_process_record_signal (gdbarch, s390_linux_record_signal); | |
8133 | ||
8134 | s390_init_linux_record_tdep (&s390_linux_record_tdep, ABI_LINUX_S390); | |
8135 | s390_init_linux_record_tdep (&s390x_linux_record_tdep, ABI_LINUX_ZSERIES); | |
8136 | ||
65b48a81 PB |
8137 | set_gdbarch_disassembler_options (gdbarch, &s390_disassembler_options); |
8138 | set_gdbarch_valid_disassembler_options (gdbarch, | |
8139 | disassembler_options_s390 ()); | |
8140 | ||
5769d3cd AC |
8141 | return gdbarch; |
8142 | } | |
8143 | ||
8144 | ||
a78f21af AC |
8145 | extern initialize_file_ftype _initialize_s390_tdep; /* -Wmissing-prototypes */ |
8146 | ||
5769d3cd | 8147 | void |
5ae5f592 | 8148 | _initialize_s390_tdep (void) |
5769d3cd | 8149 | { |
5769d3cd AC |
8150 | /* Hook us into the gdbarch mechanism. */ |
8151 | register_gdbarch_init (bfd_arch_s390, s390_gdbarch_init); | |
7803799a | 8152 | |
94eae614 | 8153 | /* Initialize the GNU/Linux target descriptions. */ |
7803799a | 8154 | initialize_tdesc_s390_linux32 (); |
c642a434 UW |
8155 | initialize_tdesc_s390_linux32v1 (); |
8156 | initialize_tdesc_s390_linux32v2 (); | |
7803799a | 8157 | initialize_tdesc_s390_linux64 (); |
c642a434 UW |
8158 | initialize_tdesc_s390_linux64v1 (); |
8159 | initialize_tdesc_s390_linux64v2 (); | |
4ac33720 | 8160 | initialize_tdesc_s390_te_linux64 (); |
550bdf96 AA |
8161 | initialize_tdesc_s390_vx_linux64 (); |
8162 | initialize_tdesc_s390_tevx_linux64 (); | |
7803799a | 8163 | initialize_tdesc_s390x_linux64 (); |
c642a434 UW |
8164 | initialize_tdesc_s390x_linux64v1 (); |
8165 | initialize_tdesc_s390x_linux64v2 (); | |
4ac33720 | 8166 | initialize_tdesc_s390x_te_linux64 (); |
550bdf96 AA |
8167 | initialize_tdesc_s390x_vx_linux64 (); |
8168 | initialize_tdesc_s390x_tevx_linux64 (); | |
5769d3cd | 8169 | } |