Commit | Line | Data |
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27fd2f50 Q |
1 | /* Target-dependent code for the S+core architecture, for GDB, |
2 | the GNU Debugger. | |
3 | ||
6aba47ca | 4 | Copyright (C) 2006, 2007 Free Software Foundation, Inc. |
27fd2f50 Q |
5 | |
6 | Contributed by Qinwei (qinwei@sunnorth.com.cn) | |
7 | Contributed by Ching-Peng Lin (cplin@sunplus.com) | |
8 | ||
9 | This file is part of GDB. | |
10 | ||
11 | This program is free software; you can redistribute it and/or modify | |
12 | it under the terms of the GNU General Public License as published by | |
13 | the Free Software Foundation; either version 2 of the License, or | |
14 | (at your option) any later version. | |
15 | ||
16 | This program is distributed in the hope that it will be useful, | |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
20 | ||
21 | You should have received a copy of the GNU General Public License | |
22 | along with this program; if not, write to the Free Software | |
23 | Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
24 | Boston, MA 02110-1301, USA. */ | |
25 | ||
26 | #include "defs.h" | |
27 | #include "gdb_assert.h" | |
28 | #include "inferior.h" | |
29 | #include "symtab.h" | |
30 | #include "objfiles.h" | |
31 | #include "gdbcore.h" | |
32 | #include "target.h" | |
33 | #include "arch-utils.h" | |
34 | #include "regcache.h" | |
35 | #include "dis-asm.h" | |
36 | #include "frame-unwind.h" | |
37 | #include "frame-base.h" | |
38 | #include "trad-frame.h" | |
39 | #include "dwarf2-frame.h" | |
40 | #include "score-tdep.h" | |
41 | ||
42 | #define G_FLD(_i,_ms,_ls) (((_i) << (31 - (_ms))) >> (31 - (_ms) + (_ls))) | |
43 | #define RM_PBITS(_raw) ((G_FLD(_raw, 31, 16) << 15) | G_FLD(_raw, 14, 0)) | |
44 | ||
45 | typedef struct{ | |
46 | unsigned int v; | |
47 | unsigned int raw; | |
48 | char is15; | |
49 | }inst_t; | |
50 | ||
51 | struct score_frame_cache | |
52 | { | |
53 | CORE_ADDR base; | |
5e29c264 | 54 | CORE_ADDR fp; |
27fd2f50 Q |
55 | struct trad_frame_saved_reg *saved_regs; |
56 | }; | |
57 | ||
58 | #if 0 | |
59 | /* If S+core GCC will generate these instructions in the prologue: | |
60 | ||
61 | lw rx, imm1 | |
62 | addi rx, -imm2 | |
63 | mv! r2, rx | |
64 | ||
65 | then .pdr section is used. */ | |
66 | ||
67 | #define P_SIZE 8 | |
68 | #define PI_SYM 0 | |
69 | #define PI_R_MSK 1 | |
70 | #define PI_R_OFF 2 | |
71 | #define PI_R_LEF 4 | |
72 | #define PI_F_OFF 5 | |
73 | #define PI_F_REG 6 | |
74 | #define PI_RAREG 7 | |
75 | ||
76 | typedef struct frame_extra_info | |
77 | { | |
78 | CORE_ADDR p_frame; | |
79 | unsigned int pdr[P_SIZE]; | |
80 | } extra_info_t; | |
81 | ||
82 | struct obj_priv | |
83 | { | |
84 | bfd_size_type size; | |
85 | char *contents; | |
86 | }; | |
87 | ||
88 | static bfd *the_bfd; | |
89 | ||
90 | static int | |
91 | score_compare_pdr_entries (const void *a, const void *b) | |
92 | { | |
93 | CORE_ADDR lhs = bfd_get_32 (the_bfd, (bfd_byte *) a); | |
94 | CORE_ADDR rhs = bfd_get_32 (the_bfd, (bfd_byte *) b); | |
95 | if (lhs < rhs) | |
96 | return -1; | |
97 | else if (lhs == rhs) | |
98 | return 0; | |
99 | else | |
100 | return 1; | |
101 | } | |
102 | ||
103 | static void | |
104 | score_analyze_pdr_section (CORE_ADDR startaddr, CORE_ADDR pc, | |
105 | struct frame_info *next_frame, | |
106 | struct score_frame_cache *this_cache) | |
107 | { | |
108 | struct symbol *sym; | |
109 | struct obj_section *sec; | |
110 | extra_info_t *fci_ext; | |
111 | CORE_ADDR leaf_ra_stack_addr = -1; | |
112 | ||
113 | gdb_assert (startaddr <= pc); | |
114 | gdb_assert (this_cache != NULL); | |
115 | ||
116 | fci_ext = frame_obstack_zalloc (sizeof (extra_info_t)); | |
117 | if ((sec = find_pc_section (pc)) == NULL) | |
118 | { | |
5e29c264 Q |
119 | error ("Error: Can't find section in file:%s, line:%d!", |
120 | __FILE__, __LINE__); | |
27fd2f50 Q |
121 | return; |
122 | } | |
123 | ||
124 | /* Anylyze .pdr section and get coresponding fields. */ | |
125 | { | |
126 | static struct obj_priv *priv = NULL; | |
127 | ||
128 | if (priv == NULL) | |
129 | { | |
130 | asection *bfdsec; | |
131 | priv = obstack_alloc (&sec->objfile->objfile_obstack, | |
132 | sizeof (struct obj_priv)); | |
133 | if ((bfdsec = bfd_get_section_by_name (sec->objfile->obfd, ".pdr"))) | |
134 | { | |
135 | priv->size = bfd_section_size (sec->objfile->obfd, bfdsec); | |
136 | priv->contents = obstack_alloc (&sec->objfile->objfile_obstack, | |
137 | priv->size); | |
138 | bfd_get_section_contents (sec->objfile->obfd, bfdsec, | |
139 | priv->contents, 0, priv->size); | |
140 | the_bfd = sec->objfile->obfd; | |
141 | qsort (priv->contents, priv->size / 32, 32, | |
142 | score_compare_pdr_entries); | |
143 | the_bfd = NULL; | |
144 | } | |
145 | else | |
146 | priv->size = 0; | |
147 | } | |
148 | if (priv->size != 0) | |
149 | { | |
150 | int low = 0, mid, high = priv->size / 32; | |
151 | char *ptr; | |
152 | do | |
27fd2f50 Q |
153 | { |
154 | CORE_ADDR pdr_pc; | |
155 | mid = (low + high) / 2; | |
156 | ptr = priv->contents + mid * 32; | |
157 | pdr_pc = bfd_get_signed_32 (sec->objfile->obfd, ptr); | |
158 | pdr_pc += ANOFFSET (sec->objfile->section_offsets, | |
159 | SECT_OFF_TEXT (sec->objfile)); | |
160 | if (pdr_pc == startaddr) | |
161 | break; | |
162 | if (pdr_pc > startaddr) | |
163 | high = mid; | |
164 | else | |
165 | low = mid + 1; | |
166 | } | |
167 | while (low != high); | |
168 | ||
169 | if (low != high) | |
170 | { | |
171 | gdb_assert (bfd_get_32 (sec->objfile->obfd, ptr) == startaddr); | |
172 | #define EXT_PDR(_pi) bfd_get_32(sec->objfile->obfd, ptr+((_pi)<<2)) | |
173 | fci_ext->pdr[PI_SYM] = EXT_PDR (PI_SYM); | |
174 | fci_ext->pdr[PI_R_MSK] = EXT_PDR (PI_R_MSK); | |
175 | fci_ext->pdr[PI_R_OFF] = EXT_PDR (PI_R_OFF); | |
176 | fci_ext->pdr[PI_R_LEF] = EXT_PDR (PI_R_LEF); | |
177 | fci_ext->pdr[PI_F_OFF] = EXT_PDR (PI_F_OFF); | |
178 | fci_ext->pdr[PI_F_REG] = EXT_PDR (PI_F_REG); | |
179 | fci_ext->pdr[PI_RAREG] = EXT_PDR (PI_RAREG); | |
180 | #undef EXT_PDR | |
181 | } | |
182 | } | |
183 | } | |
184 | } | |
185 | #endif | |
186 | ||
5e29c264 Q |
187 | #if 0 |
188 | /* Open these functions if build with simulator. */ | |
189 | ||
190 | int | |
191 | score_target_can_use_watch (int type, int cnt, int othertype) | |
192 | { | |
193 | if (strcmp (current_target.to_shortname, "sim") == 0) | |
194 | { | |
195 | return soc_gh_can_use_watch (type, cnt); | |
196 | } | |
197 | else | |
198 | { | |
199 | return (*current_target.to_can_use_hw_breakpoint) (type, cnt, othertype); | |
200 | } | |
201 | } | |
202 | ||
203 | int | |
204 | score_stopped_by_watch (void) | |
205 | { | |
206 | if (strcmp (current_target.to_shortname, "sim") == 0) | |
207 | { | |
208 | return soc_gh_stopped_by_watch (); | |
209 | } | |
210 | else | |
211 | { | |
212 | return (*current_target.to_stopped_by_watchpoint) (); | |
213 | } | |
214 | } | |
215 | ||
216 | int | |
217 | score_target_insert_watchpoint (CORE_ADDR addr, int len, int type) | |
218 | { | |
219 | if (strcmp (current_target.to_shortname, "sim") == 0) | |
220 | { | |
221 | return soc_gh_add_watch (addr, len, type); | |
222 | } | |
223 | else | |
224 | { | |
225 | return (*current_target.to_insert_watchpoint) (addr, len, type); | |
226 | } | |
227 | } | |
228 | ||
229 | int | |
230 | score_target_remove_watchpoint (CORE_ADDR addr, int len, int type) | |
231 | { | |
232 | if (strcmp (current_target.to_shortname, "sim") == 0) | |
233 | { | |
234 | return soc_gh_del_watch (addr, len, type); | |
235 | } | |
236 | else | |
237 | { | |
238 | return (*current_target.to_remove_watchpoint) (addr, len, type); | |
239 | } | |
240 | } | |
241 | ||
242 | int | |
243 | score_target_insert_hw_breakpoint (struct bp_target_info * bp_tgt) | |
244 | { | |
245 | if (strcmp (current_target.to_shortname, "sim") == 0) | |
246 | { | |
247 | return soc_gh_add_hardbp (bp_tgt->placed_address); | |
248 | } | |
249 | else | |
250 | { | |
251 | return (*current_target.to_insert_hw_breakpoint) (bp_tgt); | |
252 | } | |
253 | } | |
254 | ||
255 | int | |
256 | score_target_remove_hw_breakpoint (struct bp_target_info * bp_tgt) | |
257 | { | |
258 | if (strcmp (current_target.to_shortname, "sim") == 0) | |
259 | { | |
260 | return soc_gh_del_hardbp (bp_tgt->placed_address); | |
261 | } | |
262 | else | |
263 | { | |
264 | return (*current_target.to_remove_hw_breakpoint) (bp_tgt); | |
265 | } | |
266 | } | |
267 | #endif | |
268 | ||
27fd2f50 Q |
269 | static struct type * |
270 | score_register_type (struct gdbarch *gdbarch, int regnum) | |
271 | { | |
272 | gdb_assert (regnum >= 0 && regnum < SCORE_NUM_REGS); | |
273 | return builtin_type_uint32; | |
274 | } | |
275 | ||
27fd2f50 | 276 | static CORE_ADDR |
30244cd8 | 277 | score_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame) |
27fd2f50 | 278 | { |
30244cd8 | 279 | return frame_unwind_register_unsigned (next_frame, SCORE_PC_REGNUM); |
27fd2f50 Q |
280 | } |
281 | ||
282 | static CORE_ADDR | |
30244cd8 | 283 | score_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame) |
27fd2f50 | 284 | { |
30244cd8 | 285 | return frame_unwind_register_unsigned (next_frame, SCORE_SP_REGNUM); |
27fd2f50 Q |
286 | } |
287 | ||
288 | static const char * | |
289 | score_register_name (int regnum) | |
290 | { | |
291 | const char *score_register_names[] = { | |
292 | "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", | |
293 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", | |
294 | "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", | |
295 | "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", | |
296 | ||
297 | "PSR", "COND", "ECR", "EXCPVEC", | |
298 | "CCR", "EPC", "EMA", "TLBLOCK", | |
299 | "TLBPT", "PEADDR", "TLBRPT", "PEVN", | |
300 | "PECTX", "LIMPFN", "LDMPFN", "PREV", | |
301 | "DREG", "PC", "DSAVE", "COUNTER", | |
302 | "LDCR", "STCR", "CEH", "CEL", | |
303 | }; | |
304 | ||
305 | gdb_assert (regnum >= 0 && regnum < SCORE_NUM_REGS); | |
306 | return score_register_names[regnum]; | |
307 | } | |
308 | ||
309 | static int | |
310 | score_register_sim_regno (int regnum) | |
311 | { | |
312 | gdb_assert (regnum >= 0 && regnum < SCORE_NUM_REGS); | |
313 | return regnum; | |
314 | } | |
315 | ||
316 | static int | |
317 | score_print_insn (bfd_vma memaddr, struct disassemble_info *info) | |
318 | { | |
4c6b5505 | 319 | if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG) |
27fd2f50 Q |
320 | return print_insn_big_score (memaddr, info); |
321 | else | |
322 | return print_insn_little_score (memaddr, info); | |
323 | } | |
324 | ||
325 | static const gdb_byte * | |
326 | score_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr) | |
327 | { | |
328 | gdb_byte buf[SCORE_INSTLEN] = { 0 }; | |
329 | int ret; | |
330 | unsigned int raw; | |
331 | ||
332 | if ((ret = target_read_memory (*pcptr & ~0x3, buf, SCORE_INSTLEN)) != 0) | |
333 | { | |
5e29c264 Q |
334 | error ("Error: target_read_memory in file:%s, line:%d!", |
335 | __FILE__, __LINE__); | |
27fd2f50 Q |
336 | } |
337 | raw = extract_unsigned_integer (buf, SCORE_INSTLEN); | |
338 | ||
4c6b5505 | 339 | if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG) |
27fd2f50 Q |
340 | { |
341 | if (!(raw & 0x80008000)) | |
342 | { | |
343 | /* 16bits instruction. */ | |
344 | static gdb_byte big_breakpoint16[] = { 0x60, 0x02 }; | |
345 | *pcptr &= ~0x1; | |
346 | *lenptr = sizeof (big_breakpoint16); | |
347 | return big_breakpoint16; | |
348 | } | |
349 | else | |
350 | { | |
351 | /* 32bits instruction. */ | |
352 | static gdb_byte big_breakpoint32[] = { 0x80, 0x00, 0x80, 0x06 }; | |
353 | *pcptr &= ~0x3; | |
354 | *lenptr = sizeof (big_breakpoint32); | |
355 | return big_breakpoint32; | |
356 | } | |
357 | } | |
358 | else | |
359 | { | |
360 | if (!(raw & 0x80008000)) | |
361 | { | |
362 | /* 16bits instruction. */ | |
363 | static gdb_byte little_breakpoint16[] = { 0x02, 0x60 }; | |
364 | *pcptr &= ~0x1; | |
365 | *lenptr = sizeof (little_breakpoint16); | |
366 | return little_breakpoint16; | |
367 | } | |
368 | else | |
369 | { | |
370 | /* 32bits instruction. */ | |
371 | static gdb_byte little_breakpoint32[] = { 0x06, 0x80, 0x00, 0x80 }; | |
372 | *pcptr &= ~0x3; | |
373 | *lenptr = sizeof (little_breakpoint32); | |
374 | return little_breakpoint32; | |
375 | } | |
376 | } | |
377 | } | |
378 | ||
379 | static CORE_ADDR | |
380 | score_frame_align (struct gdbarch *gdbarch, CORE_ADDR addr) | |
381 | { | |
382 | return align_down (addr, 16); | |
383 | } | |
384 | ||
385 | static void | |
386 | score_xfer_register (struct regcache *regcache, int regnum, int length, | |
387 | enum bfd_endian endian, gdb_byte *readbuf, | |
388 | const gdb_byte *writebuf, int buf_offset) | |
389 | { | |
390 | int reg_offset = 0; | |
391 | gdb_assert (regnum >= 0 && regnum < SCORE_NUM_REGS); | |
392 | ||
393 | switch (endian) | |
394 | { | |
395 | case BFD_ENDIAN_BIG: | |
396 | reg_offset = SCORE_REGSIZE - length; | |
397 | break; | |
398 | case BFD_ENDIAN_LITTLE: | |
399 | reg_offset = 0; | |
400 | break; | |
401 | case BFD_ENDIAN_UNKNOWN: | |
402 | reg_offset = 0; | |
403 | break; | |
404 | default: | |
5e29c264 Q |
405 | error ("Error: score_xfer_register in file:%s, line:%d!", |
406 | __FILE__, __LINE__); | |
27fd2f50 Q |
407 | } |
408 | ||
409 | if (readbuf != NULL) | |
410 | regcache_cooked_read_part (regcache, regnum, reg_offset, length, | |
411 | readbuf + buf_offset); | |
412 | if (writebuf != NULL) | |
413 | regcache_cooked_write_part (regcache, regnum, reg_offset, length, | |
414 | writebuf + buf_offset); | |
415 | } | |
416 | ||
417 | static enum return_value_convention | |
418 | score_return_value (struct gdbarch *gdbarch, struct type *type, | |
419 | struct regcache *regcache, | |
420 | gdb_byte * readbuf, const gdb_byte * writebuf) | |
421 | { | |
422 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT | |
423 | || TYPE_CODE (type) == TYPE_CODE_UNION | |
424 | || TYPE_CODE (type) == TYPE_CODE_ARRAY) | |
425 | return RETURN_VALUE_STRUCT_CONVENTION; | |
426 | else | |
427 | { | |
428 | int offset; | |
429 | int regnum; | |
430 | for (offset = 0, regnum = SCORE_A0_REGNUM; | |
431 | offset < TYPE_LENGTH (type); | |
432 | offset += SCORE_REGSIZE, regnum++) | |
433 | { | |
434 | int xfer = SCORE_REGSIZE; | |
435 | if (offset + xfer > TYPE_LENGTH (type)) | |
436 | xfer = TYPE_LENGTH (type) - offset; | |
4c6b5505 UW |
437 | score_xfer_register (regcache, regnum, xfer, |
438 | gdbarch_byte_order (current_gdbarch), | |
27fd2f50 Q |
439 | readbuf, writebuf, offset); |
440 | } | |
441 | return RETURN_VALUE_REGISTER_CONVENTION; | |
442 | } | |
443 | } | |
444 | ||
445 | static struct frame_id | |
5e29c264 Q |
446 | score_unwind_dummy_id (struct gdbarch *gdbarch, |
447 | struct frame_info *next_frame) | |
27fd2f50 Q |
448 | { |
449 | return frame_id_build ( | |
450 | frame_unwind_register_unsigned (next_frame, SCORE_SP_REGNUM), | |
451 | frame_pc_unwind (next_frame)); | |
452 | } | |
453 | ||
454 | static int | |
455 | score_type_needs_double_align (struct type *type) | |
456 | { | |
457 | enum type_code typecode = TYPE_CODE (type); | |
458 | ||
5e29c264 Q |
459 | if ((typecode == TYPE_CODE_INT && TYPE_LENGTH (type) == 8) |
460 | || (typecode == TYPE_CODE_FLT && TYPE_LENGTH (type) == 8)) | |
27fd2f50 Q |
461 | return 1; |
462 | else if (typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION) | |
463 | { | |
464 | int i, n; | |
465 | ||
466 | n = TYPE_NFIELDS (type); | |
467 | for (i = 0; i < n; i++) | |
468 | if (score_type_needs_double_align (TYPE_FIELD_TYPE (type, i))) | |
469 | return 1; | |
470 | return 0; | |
471 | } | |
472 | return 0; | |
473 | } | |
474 | ||
475 | static CORE_ADDR | |
476 | score_push_dummy_call (struct gdbarch *gdbarch, struct value *function, | |
477 | struct regcache *regcache, CORE_ADDR bp_addr, | |
478 | int nargs, struct value **args, CORE_ADDR sp, | |
479 | int struct_return, CORE_ADDR struct_addr) | |
480 | { | |
481 | int argnum; | |
482 | int argreg; | |
483 | int arglen = 0; | |
484 | CORE_ADDR stack_offset = 0; | |
485 | CORE_ADDR addr = 0; | |
486 | ||
487 | /* Step 1, Save RA. */ | |
488 | regcache_cooked_write_unsigned (regcache, SCORE_RA_REGNUM, bp_addr); | |
489 | ||
490 | /* Step 2, Make space on the stack for the args. */ | |
491 | struct_addr = align_down (struct_addr, 16); | |
492 | sp = align_down (sp, 16); | |
493 | for (argnum = 0; argnum < nargs; argnum++) | |
494 | arglen += align_up (TYPE_LENGTH (value_type (args[argnum])), | |
495 | SCORE_REGSIZE); | |
496 | sp -= align_up (arglen, 16); | |
497 | ||
498 | argreg = SCORE_BEGIN_ARG_REGNUM; | |
499 | ||
5e29c264 Q |
500 | /* Step 3, Check if struct return then save the struct address to |
501 | r4 and increase the stack_offset by 4. */ | |
27fd2f50 Q |
502 | if (struct_return) |
503 | { | |
504 | regcache_cooked_write_unsigned (regcache, argreg++, struct_addr); | |
505 | stack_offset += SCORE_REGSIZE; | |
506 | } | |
507 | ||
508 | /* Step 4, Load arguments: | |
5e29c264 Q |
509 | If arg length is too long (> 4 bytes), then split the arg and |
510 | save every parts. */ | |
27fd2f50 Q |
511 | for (argnum = 0; argnum < nargs; argnum++) |
512 | { | |
513 | struct value *arg = args[argnum]; | |
514 | struct type *arg_type = check_typedef (value_type (arg)); | |
27fd2f50 Q |
515 | enum type_code typecode = TYPE_CODE (arg_type); |
516 | const gdb_byte *val = value_contents (arg); | |
517 | int downward_offset = 0; | |
1cfd2c3e JB |
518 | int odd_sized_struct_p; |
519 | int arg_last_part_p = 0; | |
27fd2f50 | 520 | |
1cfd2c3e JB |
521 | arglen = TYPE_LENGTH (arg_type); |
522 | odd_sized_struct_p = (arglen > SCORE_REGSIZE | |
5e29c264 | 523 | && arglen % SCORE_REGSIZE != 0); |
27fd2f50 Q |
524 | |
525 | /* If a arg should be aligned to 8 bytes (long long or double), | |
526 | the value should be put to even register numbers. */ | |
527 | if (score_type_needs_double_align (arg_type)) | |
528 | { | |
529 | if (argreg & 1) | |
530 | argreg++; | |
531 | } | |
532 | ||
533 | /* If sizeof a block < SCORE_REGSIZE, then Score GCC will chose | |
534 | the default "downward"/"upward" method: | |
535 | ||
536 | Example: | |
537 | ||
538 | struct struc | |
539 | { | |
540 | char a; char b; char c; | |
541 | } s = {'a', 'b', 'c'}; | |
542 | ||
543 | Big endian: s = {X, 'a', 'b', 'c'} | |
544 | Little endian: s = {'a', 'b', 'c', X} | |
545 | ||
546 | Where X is a hole. */ | |
547 | ||
4c6b5505 | 548 | if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG |
27fd2f50 Q |
549 | && (typecode == TYPE_CODE_STRUCT |
550 | || typecode == TYPE_CODE_UNION) | |
551 | && argreg > SCORE_LAST_ARG_REGNUM | |
552 | && arglen < SCORE_REGSIZE) | |
553 | downward_offset += (SCORE_REGSIZE - arglen); | |
554 | ||
555 | while (arglen > 0) | |
556 | { | |
557 | int partial_len = arglen < SCORE_REGSIZE ? arglen : SCORE_REGSIZE; | |
558 | ULONGEST regval = extract_unsigned_integer (val, partial_len); | |
559 | ||
560 | /* The last part of a arg should shift left when | |
4c6b5505 UW |
561 | gdbarch_byte_order is BFD_ENDIAN_BIG. */ |
562 | if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG | |
27fd2f50 Q |
563 | && arg_last_part_p == 1 |
564 | && (typecode == TYPE_CODE_STRUCT | |
565 | || typecode == TYPE_CODE_UNION)) | |
566 | regval <<= ((SCORE_REGSIZE - partial_len) * TARGET_CHAR_BIT); | |
567 | ||
568 | /* Always increase the stack_offset and save args to stack. */ | |
569 | addr = sp + stack_offset + downward_offset; | |
570 | write_memory (addr, val, partial_len); | |
571 | ||
572 | if (argreg <= SCORE_LAST_ARG_REGNUM) | |
573 | { | |
574 | regcache_cooked_write_unsigned (regcache, argreg++, regval); | |
575 | if (arglen > SCORE_REGSIZE && arglen < SCORE_REGSIZE * 2) | |
576 | arg_last_part_p = 1; | |
577 | } | |
578 | ||
579 | val += partial_len; | |
580 | arglen -= partial_len; | |
581 | stack_offset += align_up (partial_len, SCORE_REGSIZE); | |
582 | } | |
583 | } | |
584 | ||
585 | /* Step 5, Save SP. */ | |
586 | regcache_cooked_write_unsigned (regcache, SCORE_SP_REGNUM, sp); | |
587 | ||
588 | return sp; | |
589 | } | |
590 | ||
5e29c264 Q |
591 | static char * |
592 | score_malloc_and_get_memblock (CORE_ADDR addr, CORE_ADDR size) | |
593 | { | |
594 | int ret; | |
595 | char *memblock = NULL; | |
596 | ||
597 | if (size < 0) | |
598 | { | |
599 | error ("Error: malloc size < 0 in file:%s, line:%d!", | |
600 | __FILE__, __LINE__); | |
601 | return NULL; | |
602 | } | |
603 | else if (size == 0) | |
604 | return NULL; | |
605 | ||
606 | memblock = (char *) xmalloc (size); | |
607 | memset (memblock, 0, size); | |
608 | ret = target_read_memory (addr & ~0x3, memblock, size); | |
609 | if (ret) | |
610 | { | |
611 | error ("Error: target_read_memory in file:%s, line:%d!", | |
612 | __FILE__, __LINE__); | |
613 | return NULL; | |
614 | } | |
615 | return memblock; | |
616 | } | |
617 | ||
618 | static void | |
619 | score_free_memblock (char *memblock) | |
620 | { | |
621 | xfree (memblock); | |
622 | } | |
623 | ||
624 | static void | |
625 | score_adjust_memblock_ptr (char **memblock, CORE_ADDR prev_pc, | |
626 | CORE_ADDR cur_pc) | |
627 | { | |
628 | if (prev_pc == -1) | |
629 | { | |
630 | /* First time call this function, do nothing. */ | |
631 | } | |
632 | else if (cur_pc - prev_pc == 2 && (cur_pc & 0x3) == 0) | |
633 | { | |
634 | /* First 16-bit instruction, then 32-bit instruction. */ | |
635 | *memblock += SCORE_INSTLEN; | |
636 | } | |
637 | else if (cur_pc - prev_pc == 4) | |
638 | { | |
639 | /* Is 32-bit instruction, increase MEMBLOCK by 4. */ | |
640 | *memblock += SCORE_INSTLEN; | |
641 | } | |
642 | } | |
643 | ||
27fd2f50 | 644 | static inst_t * |
5e29c264 | 645 | score_fetch_inst (CORE_ADDR addr, char *memblock) |
27fd2f50 Q |
646 | { |
647 | static inst_t inst = { 0, 0 }; | |
5e29c264 | 648 | char buf[SCORE_INSTLEN] = { 0 }; |
27fd2f50 | 649 | int big; |
5e29c264 | 650 | int ret; |
27fd2f50 | 651 | |
5e29c264 | 652 | if (target_has_execution && memblock != NULL) |
27fd2f50 | 653 | { |
5e29c264 Q |
654 | /* Fetch instruction from local MEMBLOCK. */ |
655 | memcpy (buf, memblock, SCORE_INSTLEN); | |
656 | } | |
657 | else | |
658 | { | |
659 | /* Fetch instruction from target. */ | |
660 | ret = target_read_memory (addr & ~0x3, buf, SCORE_INSTLEN); | |
661 | if (ret) | |
662 | { | |
663 | error ("Error: target_read_memory in file:%s, line:%d!", | |
664 | __FILE__, __LINE__); | |
665 | return 0; | |
666 | } | |
27fd2f50 | 667 | } |
5e29c264 | 668 | |
27fd2f50 Q |
669 | inst.raw = extract_unsigned_integer (buf, SCORE_INSTLEN); |
670 | inst.is15 = !(inst.raw & 0x80008000); | |
671 | inst.v = RM_PBITS (inst.raw); | |
4c6b5505 | 672 | big = (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG); |
27fd2f50 Q |
673 | if (inst.is15) |
674 | { | |
675 | if (big ^ ((addr & 0x2) == 2)) | |
676 | inst.v = G_FLD (inst.v, 29, 15); | |
677 | else | |
678 | inst.v = G_FLD (inst.v, 14, 0); | |
679 | } | |
680 | return &inst; | |
681 | } | |
682 | ||
683 | static CORE_ADDR | |
684 | score_skip_prologue (CORE_ADDR pc) | |
685 | { | |
686 | CORE_ADDR cpc = pc; | |
687 | int iscan = 32, stack_sub = 0; | |
688 | while (iscan-- > 0) | |
689 | { | |
5e29c264 | 690 | inst_t *inst = score_fetch_inst (cpc, NULL); |
27fd2f50 Q |
691 | if (!inst) |
692 | break; | |
693 | if (!inst->is15 && !stack_sub | |
694 | && (G_FLD (inst->v, 29, 25) == 0x1 | |
695 | && G_FLD (inst->v, 24, 20) == 0x0)) | |
696 | { | |
697 | /* addi r0, offset */ | |
698 | pc = stack_sub = cpc + SCORE_INSTLEN; | |
699 | } | |
700 | else if (!inst->is15 | |
701 | && inst->v == RM_PBITS (0x8040bc56)) | |
702 | { | |
703 | /* mv r2, r0 */ | |
704 | pc = cpc + SCORE_INSTLEN; | |
705 | break; | |
706 | } | |
707 | else if (inst->is15 | |
708 | && inst->v == RM_PBITS (0x0203)) | |
709 | { | |
710 | /* mv! r2, r0 */ | |
711 | pc = cpc + SCORE16_INSTLEN; | |
712 | break; | |
713 | } | |
714 | else if (inst->is15 | |
715 | && ((G_FLD (inst->v, 14, 12) == 3) /* j15 form */ | |
716 | || (G_FLD (inst->v, 14, 12) == 4) /* b15 form */ | |
717 | || (G_FLD (inst->v, 14, 12) == 0x0 | |
718 | && G_FLD (inst->v, 3, 0) == 0x4))) /* br! */ | |
719 | break; | |
720 | else if (!inst->is15 | |
721 | && ((G_FLD (inst->v, 29, 25) == 2) /* j32 form */ | |
722 | || (G_FLD (inst->v, 29, 25) == 4) /* b32 form */ | |
723 | || (G_FLD (inst->v, 29, 25) == 0x0 | |
724 | && G_FLD (inst->v, 6, 1) == 0x4))) /* br */ | |
725 | break; | |
726 | ||
727 | cpc += inst->is15 ? SCORE16_INSTLEN : SCORE_INSTLEN; | |
728 | } | |
729 | return pc; | |
730 | } | |
731 | ||
732 | static int | |
733 | score_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR cur_pc) | |
734 | { | |
5e29c264 | 735 | inst_t *inst = score_fetch_inst (cur_pc, NULL); |
27fd2f50 Q |
736 | |
737 | if (inst->v == 0x23) | |
738 | return 1; /* mv! r0, r2 */ | |
739 | else if (G_FLD (inst->v, 14, 12) == 0x2 | |
740 | && G_FLD (inst->v, 3, 0) == 0xa) | |
741 | return 1; /* pop! */ | |
742 | else if (G_FLD (inst->v, 14, 12) == 0x0 | |
743 | && G_FLD (inst->v, 7, 0) == 0x34) | |
744 | return 1; /* br! r3 */ | |
745 | else if (G_FLD (inst->v, 29, 15) == 0x2 | |
746 | && G_FLD (inst->v, 6, 1) == 0x2b) | |
747 | return 1; /* mv r0, r2 */ | |
748 | else if (G_FLD (inst->v, 29, 25) == 0x0 | |
749 | && G_FLD (inst->v, 6, 1) == 0x4 | |
750 | && G_FLD (inst->v, 19, 15) == 0x3) | |
751 | return 1; /* br r3 */ | |
752 | else | |
753 | return 0; | |
754 | } | |
755 | ||
756 | static void | |
757 | score_analyze_prologue (CORE_ADDR startaddr, CORE_ADDR pc, | |
758 | struct frame_info *next_frame, | |
759 | struct score_frame_cache *this_cache) | |
760 | { | |
761 | CORE_ADDR sp; | |
5e29c264 | 762 | CORE_ADDR fp; |
27fd2f50 Q |
763 | CORE_ADDR cur_pc = startaddr; |
764 | ||
765 | int sp_offset = 0; | |
766 | int ra_offset = 0; | |
767 | int fp_offset = 0; | |
768 | int ra_offset_p = 0; | |
769 | int fp_offset_p = 0; | |
770 | int inst_len = 0; | |
771 | ||
5e29c264 Q |
772 | char *memblock = NULL; |
773 | char *memblock_ptr = NULL; | |
774 | CORE_ADDR prev_pc = -1; | |
775 | ||
776 | /* Allocate MEMBLOCK if PC - STARTADDR > 0. */ | |
777 | memblock_ptr = memblock = | |
778 | score_malloc_and_get_memblock (startaddr, pc - startaddr); | |
779 | ||
27fd2f50 | 780 | sp = frame_unwind_register_unsigned (next_frame, SCORE_SP_REGNUM); |
5e29c264 | 781 | fp = frame_unwind_register_unsigned (next_frame, SCORE_FP_REGNUM); |
27fd2f50 | 782 | |
5e29c264 | 783 | for (; cur_pc < pc; prev_pc = cur_pc, cur_pc += inst_len) |
27fd2f50 | 784 | { |
5e29c264 Q |
785 | inst_t *inst = NULL; |
786 | if (memblock != NULL) | |
787 | { | |
788 | /* Reading memory block from target succefully and got all | |
789 | the instructions(from STARTADDR to PC) needed. */ | |
790 | score_adjust_memblock_ptr (&memblock, prev_pc, cur_pc); | |
791 | inst = score_fetch_inst (cur_pc, memblock); | |
792 | } | |
793 | else | |
794 | { | |
795 | /* Otherwise, we fetch 4 bytes from target, and GDB also | |
796 | work correctly. */ | |
797 | inst = score_fetch_inst (cur_pc, NULL); | |
798 | } | |
799 | ||
27fd2f50 Q |
800 | if (inst->is15 == 1) |
801 | { | |
802 | inst_len = SCORE16_INSTLEN; | |
803 | ||
804 | if (G_FLD (inst->v, 14, 12) == 0x2 | |
805 | && G_FLD (inst->v, 3, 0) == 0xe) | |
806 | { | |
807 | /* push! */ | |
808 | sp_offset += 4; | |
809 | ||
810 | if (G_FLD (inst->v, 11, 7) == 0x6 | |
811 | && ra_offset_p == 0) | |
812 | { | |
813 | /* push! r3, [r0] */ | |
814 | ra_offset = sp_offset; | |
815 | ra_offset_p = 1; | |
816 | } | |
817 | else if (G_FLD (inst->v, 11, 7) == 0x4 | |
818 | && fp_offset_p == 0) | |
819 | { | |
820 | /* push! r2, [r0] */ | |
821 | fp_offset = sp_offset; | |
822 | fp_offset_p = 1; | |
823 | } | |
824 | } | |
825 | else if (G_FLD (inst->v, 14, 12) == 0x2 | |
826 | && G_FLD (inst->v, 3, 0) == 0xa) | |
827 | { | |
828 | /* pop! */ | |
829 | sp_offset -= 4; | |
830 | } | |
831 | else if (G_FLD (inst->v, 14, 7) == 0xc1 | |
832 | && G_FLD (inst->v, 2, 0) == 0x0) | |
833 | { | |
834 | /* subei! r0, n */ | |
835 | sp_offset += (int) pow (2, G_FLD (inst->v, 6, 3)); | |
836 | } | |
837 | else if (G_FLD (inst->v, 14, 7) == 0xc0 | |
838 | && G_FLD (inst->v, 2, 0) == 0x0) | |
839 | { | |
840 | /* addei! r0, n */ | |
841 | sp_offset -= (int) pow (2, G_FLD (inst->v, 6, 3)); | |
842 | } | |
843 | } | |
844 | else | |
845 | { | |
846 | inst_len = SCORE_INSTLEN; | |
847 | ||
848 | if (G_FLD (inst->v, 29, 15) == 0xc60 | |
849 | && G_FLD (inst->v, 2, 0) == 0x4) | |
850 | { | |
851 | /* sw r3, [r0, offset]+ */ | |
852 | sp_offset += SCORE_INSTLEN; | |
853 | if (ra_offset_p == 0) | |
854 | { | |
855 | ra_offset = sp_offset; | |
856 | ra_offset_p = 1; | |
857 | } | |
858 | } | |
859 | if (G_FLD (inst->v, 29, 15) == 0xc40 | |
860 | && G_FLD (inst->v, 2, 0) == 0x4) | |
861 | { | |
862 | /* sw r2, [r0, offset]+ */ | |
863 | sp_offset += SCORE_INSTLEN; | |
864 | if (fp_offset_p == 0) | |
865 | { | |
866 | fp_offset = sp_offset; | |
867 | fp_offset_p = 1; | |
868 | } | |
869 | } | |
870 | else if (G_FLD (inst->v, 29, 15) == 0x1c60 | |
871 | && G_FLD (inst->v, 2, 0) == 0x0) | |
872 | { | |
873 | /* lw r3, [r0]+, 4 */ | |
874 | sp_offset -= SCORE_INSTLEN; | |
875 | ra_offset_p = 1; | |
876 | } | |
877 | else if (G_FLD (inst->v, 29, 15) == 0x1c40 | |
878 | && G_FLD (inst->v, 2, 0) == 0x0) | |
879 | { | |
880 | /* lw r2, [r0]+, 4 */ | |
881 | sp_offset -= SCORE_INSTLEN; | |
882 | fp_offset_p = 1; | |
883 | } | |
884 | ||
885 | else if (G_FLD (inst->v, 29, 17) == 0x100 | |
886 | && G_FLD (inst->v, 0, 0) == 0x0) | |
887 | { | |
888 | /* addi r0, -offset */ | |
889 | sp_offset += 65536 - G_FLD (inst->v, 16, 1); | |
890 | } | |
891 | else if (G_FLD (inst->v, 29, 17) == 0x110 | |
892 | && G_FLD (inst->v, 0, 0) == 0x0) | |
893 | { | |
894 | /* addi r2, offset */ | |
895 | if (pc - cur_pc > 4) | |
896 | { | |
897 | unsigned int save_v = inst->v; | |
898 | inst_t *inst2 = | |
5e29c264 | 899 | score_fetch_inst (cur_pc + SCORE_INSTLEN, NULL); |
27fd2f50 | 900 | if (inst2->v == 0x23) |
5e29c264 Q |
901 | { |
902 | /* mv! r0, r2 */ | |
903 | sp_offset -= G_FLD (save_v, 16, 1); | |
904 | } | |
27fd2f50 Q |
905 | } |
906 | } | |
907 | } | |
908 | } | |
909 | ||
910 | /* Save RA. */ | |
911 | if (ra_offset_p == 1) | |
912 | { | |
913 | if (this_cache->saved_regs[SCORE_PC_REGNUM].addr == -1) | |
914 | this_cache->saved_regs[SCORE_PC_REGNUM].addr = | |
915 | sp + sp_offset - ra_offset; | |
916 | } | |
917 | else | |
918 | { | |
919 | this_cache->saved_regs[SCORE_PC_REGNUM] = | |
920 | this_cache->saved_regs[SCORE_RA_REGNUM]; | |
921 | } | |
922 | ||
923 | /* Save FP. */ | |
924 | if (fp_offset_p == 1) | |
925 | { | |
926 | if (this_cache->saved_regs[SCORE_FP_REGNUM].addr == -1) | |
927 | this_cache->saved_regs[SCORE_FP_REGNUM].addr = | |
928 | sp + sp_offset - fp_offset; | |
929 | } | |
930 | ||
5e29c264 Q |
931 | /* Save SP and FP. */ |
932 | this_cache->base = sp + sp_offset; | |
933 | this_cache->fp = fp; | |
934 | ||
935 | /* Don't forget to free MEMBLOCK if we allocated it. */ | |
936 | if (memblock_ptr != NULL) | |
937 | score_free_memblock (memblock_ptr); | |
27fd2f50 Q |
938 | } |
939 | ||
940 | static struct score_frame_cache * | |
941 | score_make_prologue_cache (struct frame_info *next_frame, void **this_cache) | |
942 | { | |
943 | struct score_frame_cache *cache; | |
944 | ||
945 | if ((*this_cache) != NULL) | |
946 | return (*this_cache); | |
947 | ||
948 | cache = FRAME_OBSTACK_ZALLOC (struct score_frame_cache); | |
949 | (*this_cache) = cache; | |
950 | cache->saved_regs = trad_frame_alloc_saved_regs (next_frame); | |
951 | ||
952 | /* Analyze the prologue. */ | |
953 | { | |
954 | const CORE_ADDR pc = frame_pc_unwind (next_frame); | |
955 | CORE_ADDR start_addr; | |
956 | ||
957 | find_pc_partial_function (pc, NULL, &start_addr, NULL); | |
958 | if (start_addr == 0) | |
959 | return cache; | |
960 | score_analyze_prologue (start_addr, pc, next_frame, *this_cache); | |
961 | } | |
962 | ||
963 | /* Save SP. */ | |
964 | trad_frame_set_value (cache->saved_regs, SCORE_SP_REGNUM, cache->base); | |
965 | ||
966 | return (*this_cache); | |
967 | } | |
968 | ||
969 | static void | |
970 | score_prologue_this_id (struct frame_info *next_frame, void **this_cache, | |
971 | struct frame_id *this_id) | |
972 | { | |
973 | struct score_frame_cache *info = score_make_prologue_cache (next_frame, | |
974 | this_cache); | |
93d42b30 | 975 | (*this_id) = frame_id_build (info->base, |
5e29c264 | 976 | frame_func_unwind (next_frame, NORMAL_FRAME)); |
27fd2f50 Q |
977 | } |
978 | ||
979 | static void | |
980 | score_prologue_prev_register (struct frame_info *next_frame, | |
981 | void **this_cache, | |
982 | int regnum, int *optimizedp, | |
983 | enum lval_type *lvalp, CORE_ADDR * addrp, | |
984 | int *realnump, gdb_byte * valuep) | |
985 | { | |
986 | struct score_frame_cache *info = score_make_prologue_cache (next_frame, | |
987 | this_cache); | |
988 | trad_frame_get_prev_register (next_frame, info->saved_regs, regnum, | |
989 | optimizedp, lvalp, addrp, realnump, valuep); | |
990 | } | |
991 | ||
992 | static const struct frame_unwind score_prologue_unwind = | |
993 | { | |
994 | NORMAL_FRAME, | |
995 | score_prologue_this_id, | |
996 | score_prologue_prev_register | |
997 | }; | |
998 | ||
999 | static const struct frame_unwind * | |
1000 | score_prologue_sniffer (struct frame_info *next_frame) | |
1001 | { | |
1002 | return &score_prologue_unwind; | |
1003 | } | |
1004 | ||
1005 | static CORE_ADDR | |
1006 | score_prologue_frame_base_address (struct frame_info *next_frame, | |
1007 | void **this_cache) | |
1008 | { | |
1009 | struct score_frame_cache *info = | |
1010 | score_make_prologue_cache (next_frame, this_cache); | |
5e29c264 | 1011 | return info->fp; |
27fd2f50 Q |
1012 | } |
1013 | ||
1014 | static const struct frame_base score_prologue_frame_base = | |
1015 | { | |
1016 | &score_prologue_unwind, | |
1017 | score_prologue_frame_base_address, | |
1018 | score_prologue_frame_base_address, | |
1019 | score_prologue_frame_base_address, | |
1020 | }; | |
1021 | ||
1022 | static const struct frame_base * | |
1023 | score_prologue_frame_base_sniffer (struct frame_info *next_frame) | |
1024 | { | |
1025 | return &score_prologue_frame_base; | |
1026 | } | |
1027 | ||
1028 | static struct gdbarch * | |
1029 | score_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) | |
1030 | { | |
1031 | struct gdbarch *gdbarch; | |
1032 | ||
1033 | arches = gdbarch_list_lookup_by_info (arches, &info); | |
1034 | if (arches != NULL) | |
1035 | { | |
1036 | return (arches->gdbarch); | |
1037 | } | |
1038 | gdbarch = gdbarch_alloc (&info, 0); | |
1039 | ||
1040 | set_gdbarch_short_bit (gdbarch, 16); | |
1041 | set_gdbarch_int_bit (gdbarch, 32); | |
1042 | set_gdbarch_float_bit (gdbarch, 32); | |
1043 | set_gdbarch_double_bit (gdbarch, 64); | |
1044 | set_gdbarch_long_double_bit (gdbarch, 64); | |
1045 | set_gdbarch_register_sim_regno (gdbarch, score_register_sim_regno); | |
1046 | set_gdbarch_pc_regnum (gdbarch, SCORE_PC_REGNUM); | |
1047 | set_gdbarch_sp_regnum (gdbarch, SCORE_SP_REGNUM); | |
1048 | set_gdbarch_num_regs (gdbarch, SCORE_NUM_REGS); | |
1049 | set_gdbarch_register_name (gdbarch, score_register_name); | |
1050 | set_gdbarch_breakpoint_from_pc (gdbarch, score_breakpoint_from_pc); | |
1051 | set_gdbarch_register_type (gdbarch, score_register_type); | |
1052 | set_gdbarch_frame_align (gdbarch, score_frame_align); | |
1053 | set_gdbarch_inner_than (gdbarch, core_addr_lessthan); | |
27fd2f50 | 1054 | set_gdbarch_unwind_pc (gdbarch, score_unwind_pc); |
30244cd8 | 1055 | set_gdbarch_unwind_sp (gdbarch, score_unwind_sp); |
27fd2f50 Q |
1056 | set_gdbarch_print_insn (gdbarch, score_print_insn); |
1057 | set_gdbarch_skip_prologue (gdbarch, score_skip_prologue); | |
1058 | set_gdbarch_in_function_epilogue_p (gdbarch, score_in_function_epilogue_p); | |
5e29c264 Q |
1059 | |
1060 | /* Watchpoint hooks. */ | |
1061 | set_gdbarch_have_nonsteppable_watchpoint (gdbarch, 1); | |
1062 | ||
1063 | /* Dummy frame hooks. */ | |
27fd2f50 | 1064 | set_gdbarch_return_value (gdbarch, score_return_value); |
5e29c264 | 1065 | set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT); |
27fd2f50 Q |
1066 | set_gdbarch_unwind_dummy_id (gdbarch, score_unwind_dummy_id); |
1067 | set_gdbarch_push_dummy_call (gdbarch, score_push_dummy_call); | |
1068 | ||
5e29c264 | 1069 | /* Normal frame hooks. */ |
27fd2f50 Q |
1070 | frame_unwind_append_sniffer (gdbarch, dwarf2_frame_sniffer); |
1071 | frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer); | |
1072 | frame_unwind_append_sniffer (gdbarch, score_prologue_sniffer); | |
1073 | frame_base_append_sniffer (gdbarch, score_prologue_frame_base_sniffer); | |
1074 | ||
1075 | return gdbarch; | |
1076 | } | |
1077 | ||
1078 | extern initialize_file_ftype _initialize_score_tdep; | |
1079 | ||
1080 | void | |
1081 | _initialize_score_tdep (void) | |
1082 | { | |
1083 | gdbarch_register (bfd_arch_score, score_gdbarch_init, NULL); | |
1084 | } |