Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Print VAX instructions for GDB, the GNU debugger. |
4be87837 | 2 | Copyright 1986, 1989, 1991, 1992, 1995, 1996, 1998, 1999, 2000, 2002, 2003 |
b6ba6518 | 3 | Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b JM |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
21 | |
22 | #include "defs.h" | |
23 | #include "symtab.h" | |
24 | #include "opcode/vax.h" | |
c11c3a98 | 25 | #include "gdbcore.h" |
f267bd6a | 26 | #include "inferior.h" |
a33f7558 | 27 | #include "regcache.h" |
c11c3a98 AC |
28 | #include "frame.h" |
29 | #include "value.h" | |
f267bd6a | 30 | #include "arch-utils.h" |
9bbe19fb | 31 | #include "gdb_string.h" |
4be87837 | 32 | #include "osabi.h" |
f267bd6a JT |
33 | |
34 | #include "vax-tdep.h" | |
35 | ||
36 | static gdbarch_register_name_ftype vax_register_name; | |
37 | static gdbarch_register_byte_ftype vax_register_byte; | |
38 | static gdbarch_register_raw_size_ftype vax_register_raw_size; | |
39 | static gdbarch_register_virtual_size_ftype vax_register_virtual_size; | |
40 | static gdbarch_register_virtual_type_ftype vax_register_virtual_type; | |
41 | ||
42 | static gdbarch_skip_prologue_ftype vax_skip_prologue; | |
f267bd6a | 43 | static gdbarch_frame_num_args_ftype vax_frame_num_args; |
618ce49f | 44 | static gdbarch_deprecated_frame_chain_ftype vax_frame_chain; |
f267bd6a JT |
45 | static gdbarch_frame_args_address_ftype vax_frame_args_address; |
46 | static gdbarch_frame_locals_address_ftype vax_frame_locals_address; | |
f267bd6a | 47 | |
26e9b323 | 48 | static gdbarch_deprecated_extract_return_value_ftype vax_extract_return_value; |
26e9b323 | 49 | static gdbarch_deprecated_extract_struct_value_address_ftype |
f267bd6a JT |
50 | vax_extract_struct_value_address; |
51 | ||
f3824013 | 52 | static gdbarch_deprecated_push_dummy_frame_ftype vax_push_dummy_frame; |
c906108c | 53 | \f |
fa88f677 | 54 | static const char * |
51eb8b08 JT |
55 | vax_register_name (int regno) |
56 | { | |
57 | static char *register_names[] = | |
58 | { | |
59 | "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", | |
60 | "r8", "r9", "r10", "r11", "ap", "fp", "sp", "pc", | |
61 | "ps", | |
62 | }; | |
63 | ||
64 | if (regno < 0) | |
65 | return (NULL); | |
66 | if (regno >= (sizeof(register_names) / sizeof(*register_names))) | |
67 | return (NULL); | |
68 | return (register_names[regno]); | |
69 | } | |
70 | ||
f267bd6a | 71 | static int |
51eb8b08 JT |
72 | vax_register_byte (int regno) |
73 | { | |
74 | return (regno * 4); | |
75 | } | |
76 | ||
f267bd6a | 77 | static int |
51eb8b08 JT |
78 | vax_register_raw_size (int regno) |
79 | { | |
80 | return (4); | |
81 | } | |
82 | ||
f267bd6a | 83 | static int |
51eb8b08 JT |
84 | vax_register_virtual_size (int regno) |
85 | { | |
86 | return (4); | |
87 | } | |
88 | ||
f267bd6a | 89 | static struct type * |
51eb8b08 JT |
90 | vax_register_virtual_type (int regno) |
91 | { | |
92 | return (builtin_type_int); | |
93 | } | |
94 | \f | |
f267bd6a | 95 | static void |
ab62c900 JT |
96 | vax_frame_init_saved_regs (struct frame_info *frame) |
97 | { | |
98 | int regnum, regmask; | |
99 | CORE_ADDR next_addr; | |
100 | ||
b2fb4676 | 101 | if (get_frame_saved_regs (frame)) |
ab62c900 JT |
102 | return; |
103 | ||
104 | frame_saved_regs_zalloc (frame); | |
105 | ||
1e2330ba | 106 | regmask = read_memory_integer (get_frame_base (frame) + 4, 4) >> 16; |
ab62c900 | 107 | |
1e2330ba | 108 | next_addr = get_frame_base (frame) + 16; |
ab62c900 JT |
109 | |
110 | /* regmask's low bit is for register 0, which is the first one | |
111 | what would be pushed. */ | |
1d049c5e | 112 | for (regnum = 0; regnum < VAX_AP_REGNUM; regnum++) |
ab62c900 JT |
113 | { |
114 | if (regmask & (1 << regnum)) | |
b2fb4676 | 115 | get_frame_saved_regs (frame)[regnum] = next_addr += 4; |
ab62c900 JT |
116 | } |
117 | ||
b2fb4676 | 118 | get_frame_saved_regs (frame)[SP_REGNUM] = next_addr + 4; |
0ba6dca9 | 119 | if (regmask & (1 << DEPRECATED_FP_REGNUM)) |
b2fb4676 | 120 | get_frame_saved_regs (frame)[SP_REGNUM] += |
ab62c900 JT |
121 | 4 + (4 * read_memory_integer (next_addr + 4, 4)); |
122 | ||
1e2330ba | 123 | get_frame_saved_regs (frame)[PC_REGNUM] = get_frame_base (frame) + 16; |
0ba6dca9 | 124 | get_frame_saved_regs (frame)[DEPRECATED_FP_REGNUM] = get_frame_base (frame) + 12; |
1e2330ba AC |
125 | get_frame_saved_regs (frame)[VAX_AP_REGNUM] = get_frame_base (frame) + 8; |
126 | get_frame_saved_regs (frame)[PS_REGNUM] = get_frame_base (frame) + 4; | |
ab62c900 | 127 | } |
5516aa92 | 128 | |
f407986f AC |
129 | /* Get saved user PC for sigtramp from sigcontext for BSD style sigtramp. */ |
130 | ||
131 | static CORE_ADDR | |
132 | vax_sigtramp_saved_pc (struct frame_info *frame) | |
133 | { | |
134 | CORE_ADDR sigcontext_addr; | |
135 | char *buf; | |
136 | int ptrbytes = TYPE_LENGTH (builtin_type_void_func_ptr); | |
137 | int sigcontext_offs = (2 * TARGET_INT_BIT) / TARGET_CHAR_BIT; | |
138 | ||
139 | buf = alloca (ptrbytes); | |
140 | /* Get sigcontext address, it is the third parameter on the stack. */ | |
11c02a10 | 141 | if (get_next_frame (frame)) |
f407986f | 142 | sigcontext_addr = read_memory_typed_address |
11c02a10 AC |
143 | (FRAME_ARGS_ADDRESS (get_next_frame (frame)) |
144 | + FRAME_ARGS_SKIP + sigcontext_offs, | |
f407986f AC |
145 | builtin_type_void_data_ptr); |
146 | else | |
147 | sigcontext_addr = read_memory_typed_address | |
148 | (read_register (SP_REGNUM) + sigcontext_offs, builtin_type_void_data_ptr); | |
149 | ||
150 | /* Don't cause a memory_error when accessing sigcontext in case the stack | |
151 | layout has changed or the stack is corrupt. */ | |
152 | target_read_memory (sigcontext_addr + SIGCONTEXT_PC_OFFSET, buf, ptrbytes); | |
153 | return extract_typed_address (buf, builtin_type_void_func_ptr); | |
154 | } | |
155 | ||
f267bd6a | 156 | static CORE_ADDR |
5516aa92 JT |
157 | vax_frame_saved_pc (struct frame_info *frame) |
158 | { | |
5a203e44 | 159 | if ((get_frame_type (frame) == SIGTRAMP_FRAME)) |
f407986f | 160 | return (vax_sigtramp_saved_pc (frame)); /* XXXJRT */ |
5516aa92 | 161 | |
1e2330ba | 162 | return (read_memory_integer (get_frame_base (frame) + 16, 4)); |
5516aa92 JT |
163 | } |
164 | ||
165 | CORE_ADDR | |
166 | vax_frame_args_address_correct (struct frame_info *frame) | |
167 | { | |
168 | /* Cannot find the AP register value directly from the FP value. Must | |
169 | find it saved in the frame called by this one, or in the AP register | |
170 | for the innermost frame. However, there is no way to tell the | |
171 | difference between the innermost frame and a frame for which we | |
172 | just don't know the frame that it called (e.g. "info frame 0x7ffec789"). | |
173 | For the sake of argument, suppose that the stack is somewhat trashed | |
174 | (which is one reason that "info frame" exists). So, return 0 (indicating | |
175 | we don't know the address of the arglist) if we don't know what frame | |
176 | this frame calls. */ | |
11c02a10 AC |
177 | if (get_next_frame (frame)) |
178 | return (read_memory_integer (get_frame_base (get_next_frame (frame)) + 8, 4)); | |
5516aa92 JT |
179 | |
180 | return (0); | |
181 | } | |
182 | ||
f267bd6a | 183 | static CORE_ADDR |
5516aa92 JT |
184 | vax_frame_args_address (struct frame_info *frame) |
185 | { | |
186 | /* In most of GDB, getting the args address is too important to | |
187 | just say "I don't know". This is sometimes wrong for functions | |
188 | that aren't on top of the stack, but c'est la vie. */ | |
11c02a10 AC |
189 | if (get_next_frame (frame)) |
190 | return (read_memory_integer (get_frame_base (get_next_frame (frame)) + 8, 4)); | |
5516aa92 | 191 | |
1d049c5e | 192 | return (read_register (VAX_AP_REGNUM)); |
5516aa92 JT |
193 | } |
194 | ||
f267bd6a | 195 | static CORE_ADDR |
5516aa92 JT |
196 | vax_frame_locals_address (struct frame_info *frame) |
197 | { | |
1e2330ba | 198 | return (get_frame_base (frame)); |
5516aa92 JT |
199 | } |
200 | ||
f267bd6a | 201 | static int |
5516aa92 JT |
202 | vax_frame_num_args (struct frame_info *fi) |
203 | { | |
204 | return (0xff & read_memory_integer (FRAME_ARGS_ADDRESS (fi), 1)); | |
205 | } | |
52efde73 | 206 | |
f267bd6a | 207 | static CORE_ADDR |
52efde73 JT |
208 | vax_frame_chain (struct frame_info *frame) |
209 | { | |
210 | /* In the case of the VAX, the frame's nominal address is the FP value, | |
211 | and 12 bytes later comes the saved previous FP value as a 4-byte word. */ | |
50abf9e5 | 212 | if (inside_entry_file (get_frame_pc (frame))) |
52efde73 JT |
213 | return (0); |
214 | ||
1e2330ba | 215 | return (read_memory_integer (get_frame_base (frame) + 12, 4)); |
52efde73 JT |
216 | } |
217 | \f | |
f267bd6a | 218 | static void |
52efde73 JT |
219 | vax_push_dummy_frame (void) |
220 | { | |
221 | CORE_ADDR sp = read_register (SP_REGNUM); | |
222 | int regnum; | |
223 | ||
224 | sp = push_word (sp, 0); /* arglist */ | |
225 | for (regnum = 11; regnum >= 0; regnum--) | |
226 | sp = push_word (sp, read_register (regnum)); | |
227 | sp = push_word (sp, read_register (PC_REGNUM)); | |
0ba6dca9 | 228 | sp = push_word (sp, read_register (DEPRECATED_FP_REGNUM)); |
1d049c5e | 229 | sp = push_word (sp, read_register (VAX_AP_REGNUM)); |
52efde73 JT |
230 | sp = push_word (sp, (read_register (PS_REGNUM) & 0xffef) + 0x2fff0000); |
231 | sp = push_word (sp, 0); | |
232 | write_register (SP_REGNUM, sp); | |
0ba6dca9 | 233 | write_register (DEPRECATED_FP_REGNUM, sp); |
1d049c5e | 234 | write_register (VAX_AP_REGNUM, sp + (17 * 4)); |
52efde73 JT |
235 | } |
236 | ||
f267bd6a | 237 | static void |
52efde73 JT |
238 | vax_pop_frame (void) |
239 | { | |
0ba6dca9 | 240 | CORE_ADDR fp = read_register (DEPRECATED_FP_REGNUM); |
52efde73 JT |
241 | int regnum; |
242 | int regmask = read_memory_integer (fp + 4, 4); | |
243 | ||
244 | write_register (PS_REGNUM, | |
245 | (regmask & 0xffff) | |
246 | | (read_register (PS_REGNUM) & 0xffff0000)); | |
247 | write_register (PC_REGNUM, read_memory_integer (fp + 16, 4)); | |
0ba6dca9 | 248 | write_register (DEPRECATED_FP_REGNUM, read_memory_integer (fp + 12, 4)); |
1d049c5e | 249 | write_register (VAX_AP_REGNUM, read_memory_integer (fp + 8, 4)); |
52efde73 JT |
250 | fp += 16; |
251 | for (regnum = 0; regnum < 12; regnum++) | |
252 | if (regmask & (0x10000 << regnum)) | |
253 | write_register (regnum, read_memory_integer (fp += 4, 4)); | |
254 | fp = fp + 4 + ((regmask >> 30) & 3); | |
255 | if (regmask & 0x20000000) | |
256 | { | |
257 | regnum = read_memory_integer (fp, 4); | |
258 | fp += (regnum + 1) * 4; | |
259 | } | |
260 | write_register (SP_REGNUM, fp); | |
261 | flush_cached_frames (); | |
262 | } | |
a33f7558 JT |
263 | |
264 | /* The VAX call dummy sequence: | |
265 | ||
266 | calls #69, @#32323232 | |
267 | bpt | |
268 | ||
269 | It is 8 bytes long. The address and argc are patched by | |
270 | vax_fix_call_dummy(). */ | |
f267bd6a JT |
271 | static LONGEST vax_call_dummy_words[] = { 0x329f69fb, 0x03323232 }; |
272 | static int sizeof_vax_call_dummy_words = sizeof(vax_call_dummy_words); | |
a33f7558 | 273 | |
f267bd6a | 274 | static void |
a33f7558 JT |
275 | vax_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs, |
276 | struct value **args, struct type *type, int gcc_p) | |
277 | { | |
278 | dummy[1] = nargs; | |
279 | store_unsigned_integer (dummy + 3, 4, fun); | |
280 | } | |
ab62c900 | 281 | \f |
f267bd6a | 282 | static void |
ea74468c JT |
283 | vax_store_struct_return (CORE_ADDR addr, CORE_ADDR sp) |
284 | { | |
285 | write_register (1, addr); | |
286 | } | |
287 | ||
f267bd6a | 288 | static void |
ea74468c JT |
289 | vax_extract_return_value (struct type *valtype, char *regbuf, char *valbuf) |
290 | { | |
291 | memcpy (valbuf, regbuf + REGISTER_BYTE (0), TYPE_LENGTH (valtype)); | |
292 | } | |
293 | ||
f267bd6a | 294 | static void |
ea74468c JT |
295 | vax_store_return_value (struct type *valtype, char *valbuf) |
296 | { | |
73937e03 | 297 | deprecated_write_register_bytes (0, valbuf, TYPE_LENGTH (valtype)); |
ea74468c JT |
298 | } |
299 | ||
f267bd6a | 300 | static CORE_ADDR |
ea74468c JT |
301 | vax_extract_struct_value_address (char *regbuf) |
302 | { | |
303 | return (extract_address (regbuf + REGISTER_BYTE (0), REGISTER_RAW_SIZE (0))); | |
304 | } | |
305 | \f | |
1d049c5e JT |
306 | static const unsigned char * |
307 | vax_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr) | |
308 | { | |
309 | static const unsigned char vax_breakpoint[] = { 3 }; | |
310 | ||
311 | *lenptr = sizeof(vax_breakpoint); | |
312 | return (vax_breakpoint); | |
313 | } | |
314 | \f | |
b83266a0 SS |
315 | /* Advance PC across any function entry prologue instructions |
316 | to reach some "real" code. */ | |
317 | ||
f267bd6a | 318 | static CORE_ADDR |
fba45db2 | 319 | vax_skip_prologue (CORE_ADDR pc) |
b83266a0 SS |
320 | { |
321 | register int op = (unsigned char) read_memory_integer (pc, 1); | |
322 | if (op == 0x11) | |
c5aa993b | 323 | pc += 2; /* skip brb */ |
b83266a0 | 324 | if (op == 0x31) |
c5aa993b | 325 | pc += 3; /* skip brw */ |
b83266a0 | 326 | if (op == 0xC2 |
c5aa993b JM |
327 | && ((unsigned char) read_memory_integer (pc + 2, 1)) == 0x5E) |
328 | pc += 3; /* skip subl2 */ | |
b83266a0 | 329 | if (op == 0x9E |
c5aa993b JM |
330 | && ((unsigned char) read_memory_integer (pc + 1, 1)) == 0xAE |
331 | && ((unsigned char) read_memory_integer (pc + 3, 1)) == 0x5E) | |
332 | pc += 4; /* skip movab */ | |
b83266a0 | 333 | if (op == 0x9E |
c5aa993b JM |
334 | && ((unsigned char) read_memory_integer (pc + 1, 1)) == 0xCE |
335 | && ((unsigned char) read_memory_integer (pc + 4, 1)) == 0x5E) | |
336 | pc += 5; /* skip movab */ | |
b83266a0 | 337 | if (op == 0x9E |
c5aa993b JM |
338 | && ((unsigned char) read_memory_integer (pc + 1, 1)) == 0xEE |
339 | && ((unsigned char) read_memory_integer (pc + 6, 1)) == 0x5E) | |
340 | pc += 7; /* skip movab */ | |
b83266a0 SS |
341 | return pc; |
342 | } | |
343 | ||
f267bd6a | 344 | static CORE_ADDR |
a33f7558 JT |
345 | vax_saved_pc_after_call (struct frame_info *frame) |
346 | { | |
8bedc050 | 347 | return (DEPRECATED_FRAME_SAVED_PC(frame)); |
a33f7558 JT |
348 | } |
349 | \f | |
f267bd6a JT |
350 | /* Initialize the current architecture based on INFO. If possible, re-use an |
351 | architecture from ARCHES, which is a list of architectures already created | |
352 | during this debugging session. | |
353 | ||
354 | Called e.g. at program startup, when reading a core file, and when reading | |
355 | a binary file. */ | |
356 | ||
357 | static struct gdbarch * | |
358 | vax_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) | |
359 | { | |
360 | struct gdbarch *gdbarch; | |
361 | ||
4be87837 DJ |
362 | /* If there is already a candidate, use it. */ |
363 | arches = gdbarch_list_lookup_by_info (arches, &info); | |
364 | if (arches != NULL) | |
365 | return arches->gdbarch; | |
f267bd6a | 366 | |
4be87837 | 367 | gdbarch = gdbarch_alloc (&info, NULL); |
4791e091 | 368 | |
a5afb99f AC |
369 | /* NOTE: cagney/2002-12-06: This can be deleted when this arch is |
370 | ready to unwind the PC first (see frame.c:get_prev_frame()). */ | |
371 | set_gdbarch_deprecated_init_frame_pc (gdbarch, init_frame_pc_default); | |
372 | ||
f267bd6a JT |
373 | /* Register info */ |
374 | set_gdbarch_num_regs (gdbarch, VAX_NUM_REGS); | |
375 | set_gdbarch_sp_regnum (gdbarch, VAX_SP_REGNUM); | |
0ba6dca9 | 376 | set_gdbarch_deprecated_fp_regnum (gdbarch, VAX_FP_REGNUM); |
f267bd6a JT |
377 | set_gdbarch_pc_regnum (gdbarch, VAX_PC_REGNUM); |
378 | set_gdbarch_ps_regnum (gdbarch, VAX_PS_REGNUM); | |
379 | ||
380 | set_gdbarch_register_name (gdbarch, vax_register_name); | |
b1e29e33 | 381 | set_gdbarch_deprecated_register_size (gdbarch, VAX_REGISTER_SIZE); |
b8b527c5 | 382 | set_gdbarch_deprecated_register_bytes (gdbarch, VAX_REGISTER_BYTES); |
f267bd6a JT |
383 | set_gdbarch_register_byte (gdbarch, vax_register_byte); |
384 | set_gdbarch_register_raw_size (gdbarch, vax_register_raw_size); | |
a0ed5532 | 385 | set_gdbarch_deprecated_max_register_raw_size (gdbarch, VAX_MAX_REGISTER_RAW_SIZE); |
f267bd6a | 386 | set_gdbarch_register_virtual_size (gdbarch, vax_register_virtual_size); |
a0ed5532 | 387 | set_gdbarch_deprecated_max_register_virtual_size (gdbarch, |
f267bd6a JT |
388 | VAX_MAX_REGISTER_VIRTUAL_SIZE); |
389 | set_gdbarch_register_virtual_type (gdbarch, vax_register_virtual_type); | |
390 | ||
391 | /* Frame and stack info */ | |
392 | set_gdbarch_skip_prologue (gdbarch, vax_skip_prologue); | |
6913c89a | 393 | set_gdbarch_deprecated_saved_pc_after_call (gdbarch, vax_saved_pc_after_call); |
f267bd6a JT |
394 | |
395 | set_gdbarch_frame_num_args (gdbarch, vax_frame_num_args); | |
396 | set_gdbarch_frameless_function_invocation (gdbarch, | |
397 | generic_frameless_function_invocation_not); | |
398 | ||
618ce49f | 399 | set_gdbarch_deprecated_frame_chain (gdbarch, vax_frame_chain); |
8bedc050 | 400 | set_gdbarch_deprecated_frame_saved_pc (gdbarch, vax_frame_saved_pc); |
f267bd6a JT |
401 | |
402 | set_gdbarch_frame_args_address (gdbarch, vax_frame_args_address); | |
403 | set_gdbarch_frame_locals_address (gdbarch, vax_frame_locals_address); | |
404 | ||
f30ee0bc | 405 | set_gdbarch_deprecated_frame_init_saved_regs (gdbarch, vax_frame_init_saved_regs); |
f267bd6a JT |
406 | |
407 | set_gdbarch_frame_args_skip (gdbarch, 4); | |
408 | ||
f267bd6a JT |
409 | set_gdbarch_inner_than (gdbarch, core_addr_lessthan); |
410 | ||
411 | /* Return value info */ | |
4183d812 | 412 | set_gdbarch_deprecated_store_struct_return (gdbarch, vax_store_struct_return); |
26e9b323 | 413 | set_gdbarch_deprecated_extract_return_value (gdbarch, vax_extract_return_value); |
ebba8386 | 414 | set_gdbarch_deprecated_store_return_value (gdbarch, vax_store_return_value); |
26e9b323 | 415 | set_gdbarch_deprecated_extract_struct_value_address (gdbarch, vax_extract_struct_value_address); |
f267bd6a JT |
416 | |
417 | /* Call dummy info */ | |
f3824013 | 418 | set_gdbarch_deprecated_push_dummy_frame (gdbarch, vax_push_dummy_frame); |
749b82f6 | 419 | set_gdbarch_deprecated_pop_frame (gdbarch, vax_pop_frame); |
f267bd6a | 420 | set_gdbarch_call_dummy_location (gdbarch, ON_STACK); |
b1e29e33 AC |
421 | set_gdbarch_deprecated_call_dummy_words (gdbarch, vax_call_dummy_words); |
422 | set_gdbarch_deprecated_sizeof_call_dummy_words (gdbarch, sizeof_vax_call_dummy_words); | |
423 | set_gdbarch_deprecated_fix_call_dummy (gdbarch, vax_fix_call_dummy); | |
424 | set_gdbarch_deprecated_call_dummy_breakpoint_offset (gdbarch, 7); | |
07555a72 | 425 | set_gdbarch_deprecated_use_generic_dummy_frames (gdbarch, 0); |
ae45cd16 | 426 | set_gdbarch_deprecated_pc_in_call_dummy (gdbarch, deprecated_pc_in_call_dummy_on_stack); |
f267bd6a JT |
427 | |
428 | /* Breakpoint info */ | |
1d049c5e | 429 | set_gdbarch_breakpoint_from_pc (gdbarch, vax_breakpoint_from_pc); |
f267bd6a JT |
430 | set_gdbarch_decr_pc_after_break (gdbarch, 0); |
431 | ||
432 | /* Misc info */ | |
433 | set_gdbarch_function_start_offset (gdbarch, 2); | |
1d049c5e | 434 | set_gdbarch_believe_pcc_promotion (gdbarch, 1); |
f267bd6a | 435 | |
6c0e89ed AC |
436 | /* Should be using push_dummy_call. */ |
437 | set_gdbarch_deprecated_dummy_write_sp (gdbarch, generic_target_write_sp); | |
438 | ||
4791e091 | 439 | /* Hook in ABI-specific overrides, if they have been registered. */ |
4be87837 | 440 | gdbarch_init_osabi (info, gdbarch); |
4791e091 | 441 | |
ee2842e2 ILT |
442 | set_gdbarch_print_insn (gdbarch, print_insn_vax); |
443 | ||
f267bd6a JT |
444 | return (gdbarch); |
445 | } | |
c906108c SS |
446 | |
447 | void | |
fba45db2 | 448 | _initialize_vax_tdep (void) |
c906108c | 449 | { |
4be87837 | 450 | gdbarch_register (bfd_arch_vax, vax_gdbarch_init, NULL); |
c906108c | 451 | } |