1 /* Target-dependent code for the Matsushita MN10300 for GDB, the GNU debugger.
3 Copyright (C) 2003-2014 Free Software Foundation, Inc.
5 This file is part of GDB.
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 3 of the License, or
10 (at your option) any later version.
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.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
24 #include "mn10300-tdep.h"
25 #include "gdb_assert.h"
30 #include "solib-svr4.h"
32 #include "trad-frame.h"
33 #include "tramp-frame.h"
34 #include "linux-tdep.h"
36 /* Transliterated from <asm-mn10300/elf.h>... */
37 #define MN10300_ELF_NGREG 28
38 #define MN10300_ELF_NFPREG 32
40 typedef gdb_byte mn10300_elf_greg_t[4];
41 typedef mn10300_elf_greg_t mn10300_elf_gregset_t[MN10300_ELF_NGREG];
43 typedef gdb_byte mn10300_elf_fpreg_t[4];
46 mn10300_elf_fpreg_t fpregs[MN10300_ELF_NFPREG];
48 } mn10300_elf_fpregset_t;
50 /* elf_gregset_t register indices stolen from include/asm-mn10300/ptrace.h. */
51 #define MN10300_ELF_GREGSET_T_REG_INDEX_A3 0
52 #define MN10300_ELF_GREGSET_T_REG_INDEX_A2 1
53 #define MN10300_ELF_GREGSET_T_REG_INDEX_D3 2
54 #define MN10300_ELF_GREGSET_T_REG_INDEX_D2 3
55 #define MN10300_ELF_GREGSET_T_REG_INDEX_MCVF 4
56 #define MN10300_ELF_GREGSET_T_REG_INDEX_MCRL 5
57 #define MN10300_ELF_GREGSET_T_REG_INDEX_MCRH 6
58 #define MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ 7
59 #define MN10300_ELF_GREGSET_T_REG_INDEX_E1 8
60 #define MN10300_ELF_GREGSET_T_REG_INDEX_E0 9
61 #define MN10300_ELF_GREGSET_T_REG_INDEX_E7 10
62 #define MN10300_ELF_GREGSET_T_REG_INDEX_E6 11
63 #define MN10300_ELF_GREGSET_T_REG_INDEX_E5 12
64 #define MN10300_ELF_GREGSET_T_REG_INDEX_E4 13
65 #define MN10300_ELF_GREGSET_T_REG_INDEX_E3 14
66 #define MN10300_ELF_GREGSET_T_REG_INDEX_E2 15
67 #define MN10300_ELF_GREGSET_T_REG_INDEX_SP 16
68 #define MN10300_ELF_GREGSET_T_REG_INDEX_LAR 17
69 #define MN10300_ELF_GREGSET_T_REG_INDEX_LIR 18
70 #define MN10300_ELF_GREGSET_T_REG_INDEX_MDR 19
71 #define MN10300_ELF_GREGSET_T_REG_INDEX_A1 20
72 #define MN10300_ELF_GREGSET_T_REG_INDEX_A0 21
73 #define MN10300_ELF_GREGSET_T_REG_INDEX_D1 22
74 #define MN10300_ELF_GREGSET_T_REG_INDEX_D0 23
75 #define MN10300_ELF_GREGSET_T_REG_INDEX_ORIG_D0 24
76 #define MN10300_ELF_GREGSET_T_REG_INDEX_EPSW 25
77 #define MN10300_ELF_GREGSET_T_REG_INDEX_PC 26
79 /* New gdbarch API for corefile registers.
80 Given a section name and size, create a struct reg object
81 with a supply_register and a collect_register method. */
83 /* Copy register value of REGNUM from regset to regcache.
84 If REGNUM is -1, do this for all gp registers in regset. */
87 am33_supply_gregset_method (const struct regset *regset,
88 struct regcache *regcache,
89 int regnum, const void *gregs, size_t len)
91 char zerobuf[MAX_REGISTER_SIZE];
92 const mn10300_elf_greg_t *regp = (const mn10300_elf_greg_t *) gregs;
95 gdb_assert (len == sizeof (mn10300_elf_gregset_t));
99 regcache_raw_supply (regcache, E_D0_REGNUM,
100 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D0));
103 regcache_raw_supply (regcache, E_D1_REGNUM,
104 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D1));
107 regcache_raw_supply (regcache, E_D2_REGNUM,
108 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D2));
111 regcache_raw_supply (regcache, E_D3_REGNUM,
112 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D3));
115 regcache_raw_supply (regcache, E_A0_REGNUM,
116 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A0));
119 regcache_raw_supply (regcache, E_A1_REGNUM,
120 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A1));
123 regcache_raw_supply (regcache, E_A2_REGNUM,
124 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A2));
127 regcache_raw_supply (regcache, E_A3_REGNUM,
128 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A3));
131 regcache_raw_supply (regcache, E_SP_REGNUM,
132 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_SP));
135 regcache_raw_supply (regcache, E_PC_REGNUM,
136 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_PC));
139 regcache_raw_supply (regcache, E_MDR_REGNUM,
140 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDR));
143 regcache_raw_supply (regcache, E_PSW_REGNUM,
144 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_EPSW));
147 regcache_raw_supply (regcache, E_LIR_REGNUM,
148 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LIR));
151 regcache_raw_supply (regcache, E_LAR_REGNUM,
152 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LAR));
155 regcache_raw_supply (regcache, E_MDRQ_REGNUM,
156 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ));
159 regcache_raw_supply (regcache, E_E0_REGNUM,
160 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E0));
163 regcache_raw_supply (regcache, E_E1_REGNUM,
164 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E1));
167 regcache_raw_supply (regcache, E_E2_REGNUM,
168 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E2));
171 regcache_raw_supply (regcache, E_E3_REGNUM,
172 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E3));
175 regcache_raw_supply (regcache, E_E4_REGNUM,
176 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E4));
179 regcache_raw_supply (regcache, E_E5_REGNUM,
180 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E5));
183 regcache_raw_supply (regcache, E_E6_REGNUM,
184 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E6));
187 regcache_raw_supply (regcache, E_E7_REGNUM,
188 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E7));
191 /* ssp, msp, and usp are inaccessible. */
193 memset (zerobuf, 0, MAX_REGISTER_SIZE);
194 regcache_raw_supply (regcache, E_E8_REGNUM, zerobuf);
197 memset (zerobuf, 0, MAX_REGISTER_SIZE);
198 regcache_raw_supply (regcache, E_E9_REGNUM, zerobuf);
201 memset (zerobuf, 0, MAX_REGISTER_SIZE);
202 regcache_raw_supply (regcache, E_E10_REGNUM, zerobuf);
206 regcache_raw_supply (regcache, E_MCRH_REGNUM,
207 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRH));
210 regcache_raw_supply (regcache, E_MCRL_REGNUM,
211 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRL));
214 regcache_raw_supply (regcache, E_MCVF_REGNUM,
215 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCVF));
218 /* FPCR is numbered among the GP regs, but handled as an FP reg.
221 case E_FPCR_REGNUM + 1:
222 /* The two unused registers beyond fpcr are inaccessible. */
223 memset (zerobuf, 0, MAX_REGISTER_SIZE);
224 regcache_raw_supply (regcache, E_FPCR_REGNUM + 1, zerobuf);
226 case E_FPCR_REGNUM + 2:
227 memset (zerobuf, 0, MAX_REGISTER_SIZE);
228 regcache_raw_supply (regcache, E_FPCR_REGNUM + 2, zerobuf);
230 default: /* An error, obviously, but should we error out? */
233 for (i = 0; i < MN10300_ELF_NGREG; i++)
234 am33_supply_gregset_method (regset, regcache, i, gregs, len);
240 /* Copy fp register value of REGNUM from regset to regcache.
241 If REGNUM is -1, do this for all fp registers in regset. */
244 am33_supply_fpregset_method (const struct regset *regset,
245 struct regcache *regcache,
246 int regnum, const void *fpregs, size_t len)
248 const mn10300_elf_fpregset_t *fpregset = fpregs;
250 gdb_assert (len == sizeof (mn10300_elf_fpregset_t));
256 for (i = 0; i < MN10300_ELF_NFPREG; i++)
257 am33_supply_fpregset_method (regset, regcache,
258 E_FS0_REGNUM + i, fpregs, len);
259 am33_supply_fpregset_method (regset, regcache,
260 E_FPCR_REGNUM, fpregs, len);
262 else if (regnum == E_FPCR_REGNUM)
263 regcache_raw_supply (regcache, E_FPCR_REGNUM,
265 else if (E_FS0_REGNUM <= regnum
266 && regnum < E_FS0_REGNUM + MN10300_ELF_NFPREG)
267 regcache_raw_supply (regcache, regnum,
268 &fpregset->fpregs[regnum - E_FS0_REGNUM]);
273 /* Copy register values from regcache to regset. */
276 am33_collect_gregset_method (const struct regset *regset,
277 const struct regcache *regcache,
278 int regnum, void *gregs, size_t len)
280 mn10300_elf_gregset_t *regp = gregs;
283 gdb_assert (len == sizeof (mn10300_elf_gregset_t));
287 regcache_raw_collect (regcache, E_D0_REGNUM,
288 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D0));
291 regcache_raw_collect (regcache, E_D1_REGNUM,
292 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D1));
295 regcache_raw_collect (regcache, E_D2_REGNUM,
296 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D2));
299 regcache_raw_collect (regcache, E_D3_REGNUM,
300 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D3));
303 regcache_raw_collect (regcache, E_A0_REGNUM,
304 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A0));
307 regcache_raw_collect (regcache, E_A1_REGNUM,
308 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A1));
311 regcache_raw_collect (regcache, E_A2_REGNUM,
312 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A2));
315 regcache_raw_collect (regcache, E_A3_REGNUM,
316 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A3));
319 regcache_raw_collect (regcache, E_SP_REGNUM,
320 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_SP));
323 regcache_raw_collect (regcache, E_PC_REGNUM,
324 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_PC));
327 regcache_raw_collect (regcache, E_MDR_REGNUM,
328 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDR));
331 regcache_raw_collect (regcache, E_PSW_REGNUM,
332 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_EPSW));
335 regcache_raw_collect (regcache, E_LIR_REGNUM,
336 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LIR));
339 regcache_raw_collect (regcache, E_LAR_REGNUM,
340 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LAR));
343 regcache_raw_collect (regcache, E_MDRQ_REGNUM,
344 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ));
347 regcache_raw_collect (regcache, E_E0_REGNUM,
348 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E0));
351 regcache_raw_collect (regcache, E_E1_REGNUM,
352 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E1));
355 regcache_raw_collect (regcache, E_E2_REGNUM,
356 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E2));
359 regcache_raw_collect (regcache, E_E3_REGNUM,
360 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E3));
363 regcache_raw_collect (regcache, E_E4_REGNUM,
364 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E4));
367 regcache_raw_collect (regcache, E_E5_REGNUM,
368 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E5));
371 regcache_raw_collect (regcache, E_E6_REGNUM,
372 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E6));
375 regcache_raw_collect (regcache, E_E7_REGNUM,
376 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E7));
379 /* ssp, msp, and usp are inaccessible. */
381 /* The gregset struct has noplace to put this: do nothing. */
384 /* The gregset struct has noplace to put this: do nothing. */
387 /* The gregset struct has noplace to put this: do nothing. */
390 regcache_raw_collect (regcache, E_MCRH_REGNUM,
391 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRH));
394 regcache_raw_collect (regcache, E_MCRL_REGNUM,
395 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRL));
398 regcache_raw_collect (regcache, E_MCVF_REGNUM,
399 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCVF));
402 /* FPCR is numbered among the GP regs, but handled as an FP reg.
405 case E_FPCR_REGNUM + 1:
406 /* The gregset struct has noplace to put this: do nothing. */
408 case E_FPCR_REGNUM + 2:
409 /* The gregset struct has noplace to put this: do nothing. */
411 default: /* An error, obviously, but should we error out? */
414 for (i = 0; i < MN10300_ELF_NGREG; i++)
415 am33_collect_gregset_method (regset, regcache, i, gregs, len);
421 /* Copy fp register values from regcache to regset. */
424 am33_collect_fpregset_method (const struct regset *regset,
425 const struct regcache *regcache,
426 int regnum, void *fpregs, size_t len)
428 mn10300_elf_fpregset_t *fpregset = fpregs;
430 gdb_assert (len == sizeof (mn10300_elf_fpregset_t));
435 for (i = 0; i < MN10300_ELF_NFPREG; i++)
436 am33_collect_fpregset_method (regset, regcache, E_FS0_REGNUM + i,
438 am33_collect_fpregset_method (regset, regcache,
439 E_FPCR_REGNUM, fpregs, len);
441 else if (regnum == E_FPCR_REGNUM)
442 regcache_raw_collect (regcache, E_FPCR_REGNUM,
444 else if (E_FS0_REGNUM <= regnum
445 && regnum < E_FS0_REGNUM + MN10300_ELF_NFPREG)
446 regcache_raw_collect (regcache, regnum,
447 &fpregset->fpregs[regnum - E_FS0_REGNUM]);
452 static const struct regset am33_gregset =
454 NULL, am33_supply_gregset_method, am33_collect_gregset_method
457 static const struct regset am33_fpregset =
459 NULL, am33_supply_fpregset_method, am33_collect_fpregset_method
462 /* Create a struct regset from a corefile register section. */
464 static const struct regset *
465 am33_regset_from_core_section (struct gdbarch *gdbarch,
466 const char *sect_name,
469 if (sect_size == sizeof (mn10300_elf_fpregset_t))
470 return &am33_fpregset;
472 return &am33_gregset;
476 am33_linux_sigframe_cache_init (const struct tramp_frame *self,
477 struct frame_info *this_frame,
478 struct trad_frame_cache *this_cache,
481 static const struct tramp_frame am33_linux_sigframe = {
492 { TRAMP_SENTINEL_INSN, -1 }
494 am33_linux_sigframe_cache_init
497 static const struct tramp_frame am33_linux_rt_sigframe = {
508 { TRAMP_SENTINEL_INSN, -1 }
510 am33_linux_sigframe_cache_init
513 /* Relevant struct definitions for signal handling...
515 From arch/mn10300/kernel/sigframe.h:
519 void (*pretcode)(void);
521 struct sigcontext *psc;
522 struct sigcontext sc;
523 struct fpucontext fpuctx;
524 unsigned long extramask[_NSIG_WORDS-1];
530 void (*pretcode)(void);
532 struct siginfo *pinfo;
536 struct fpucontext fpuctx;
540 From include/asm-mn10300/ucontext.h:
543 unsigned long uc_flags;
544 struct ucontext *uc_link;
546 struct sigcontext uc_mcontext;
550 From include/asm-mn10300/sigcontext.h:
553 unsigned long fs[32];
584 struct fpucontext *fpucontext;
585 unsigned long oldmask;
589 #define AM33_SIGCONTEXT_D0 0
590 #define AM33_SIGCONTEXT_D1 4
591 #define AM33_SIGCONTEXT_D2 8
592 #define AM33_SIGCONTEXT_D3 12
593 #define AM33_SIGCONTEXT_A0 16
594 #define AM33_SIGCONTEXT_A1 20
595 #define AM33_SIGCONTEXT_A2 24
596 #define AM33_SIGCONTEXT_A3 28
597 #define AM33_SIGCONTEXT_E0 32
598 #define AM33_SIGCONTEXT_E1 36
599 #define AM33_SIGCONTEXT_E2 40
600 #define AM33_SIGCONTEXT_E3 44
601 #define AM33_SIGCONTEXT_E4 48
602 #define AM33_SIGCONTEXT_E5 52
603 #define AM33_SIGCONTEXT_E6 56
604 #define AM33_SIGCONTEXT_E7 60
605 #define AM33_SIGCONTEXT_LAR 64
606 #define AM33_SIGCONTEXT_LIR 68
607 #define AM33_SIGCONTEXT_MDR 72
608 #define AM33_SIGCONTEXT_MCVF 76
609 #define AM33_SIGCONTEXT_MCRL 80
610 #define AM33_SIGCONTEXT_MCRH 84
611 #define AM33_SIGCONTEXT_MDRQ 88
612 #define AM33_SIGCONTEXT_SP 92
613 #define AM33_SIGCONTEXT_EPSW 96
614 #define AM33_SIGCONTEXT_PC 100
615 #define AM33_SIGCONTEXT_FPUCONTEXT 104
619 am33_linux_sigframe_cache_init (const struct tramp_frame *self,
620 struct frame_info *this_frame,
621 struct trad_frame_cache *this_cache,
624 CORE_ADDR sc_base, fpubase;
627 sc_base = get_frame_register_unsigned (this_frame, E_SP_REGNUM);
628 if (self == &am33_linux_sigframe)
631 sc_base = get_frame_memory_unsigned (this_frame, sc_base, 4);
636 sc_base = get_frame_memory_unsigned (this_frame, sc_base, 4);
640 trad_frame_set_reg_addr (this_cache, E_D0_REGNUM,
641 sc_base + AM33_SIGCONTEXT_D0);
642 trad_frame_set_reg_addr (this_cache, E_D1_REGNUM,
643 sc_base + AM33_SIGCONTEXT_D1);
644 trad_frame_set_reg_addr (this_cache, E_D2_REGNUM,
645 sc_base + AM33_SIGCONTEXT_D2);
646 trad_frame_set_reg_addr (this_cache, E_D3_REGNUM,
647 sc_base + AM33_SIGCONTEXT_D3);
649 trad_frame_set_reg_addr (this_cache, E_A0_REGNUM,
650 sc_base + AM33_SIGCONTEXT_A0);
651 trad_frame_set_reg_addr (this_cache, E_A1_REGNUM,
652 sc_base + AM33_SIGCONTEXT_A1);
653 trad_frame_set_reg_addr (this_cache, E_A2_REGNUM,
654 sc_base + AM33_SIGCONTEXT_A2);
655 trad_frame_set_reg_addr (this_cache, E_A3_REGNUM,
656 sc_base + AM33_SIGCONTEXT_A3);
658 trad_frame_set_reg_addr (this_cache, E_E0_REGNUM,
659 sc_base + AM33_SIGCONTEXT_E0);
660 trad_frame_set_reg_addr (this_cache, E_E1_REGNUM,
661 sc_base + AM33_SIGCONTEXT_E1);
662 trad_frame_set_reg_addr (this_cache, E_E2_REGNUM,
663 sc_base + AM33_SIGCONTEXT_E2);
664 trad_frame_set_reg_addr (this_cache, E_E3_REGNUM,
665 sc_base + AM33_SIGCONTEXT_E3);
666 trad_frame_set_reg_addr (this_cache, E_E4_REGNUM,
667 sc_base + AM33_SIGCONTEXT_E4);
668 trad_frame_set_reg_addr (this_cache, E_E5_REGNUM,
669 sc_base + AM33_SIGCONTEXT_E5);
670 trad_frame_set_reg_addr (this_cache, E_E6_REGNUM,
671 sc_base + AM33_SIGCONTEXT_E6);
672 trad_frame_set_reg_addr (this_cache, E_E7_REGNUM,
673 sc_base + AM33_SIGCONTEXT_E7);
675 trad_frame_set_reg_addr (this_cache, E_LAR_REGNUM,
676 sc_base + AM33_SIGCONTEXT_LAR);
677 trad_frame_set_reg_addr (this_cache, E_LIR_REGNUM,
678 sc_base + AM33_SIGCONTEXT_LIR);
679 trad_frame_set_reg_addr (this_cache, E_MDR_REGNUM,
680 sc_base + AM33_SIGCONTEXT_MDR);
681 trad_frame_set_reg_addr (this_cache, E_MCVF_REGNUM,
682 sc_base + AM33_SIGCONTEXT_MCVF);
683 trad_frame_set_reg_addr (this_cache, E_MCRL_REGNUM,
684 sc_base + AM33_SIGCONTEXT_MCRL);
685 trad_frame_set_reg_addr (this_cache, E_MDRQ_REGNUM,
686 sc_base + AM33_SIGCONTEXT_MDRQ);
688 trad_frame_set_reg_addr (this_cache, E_SP_REGNUM,
689 sc_base + AM33_SIGCONTEXT_SP);
690 trad_frame_set_reg_addr (this_cache, E_PSW_REGNUM,
691 sc_base + AM33_SIGCONTEXT_EPSW);
692 trad_frame_set_reg_addr (this_cache, E_PC_REGNUM,
693 sc_base + AM33_SIGCONTEXT_PC);
695 fpubase = get_frame_memory_unsigned (this_frame,
696 sc_base + AM33_SIGCONTEXT_FPUCONTEXT,
700 for (i = 0; i < 32; i++)
702 trad_frame_set_reg_addr (this_cache, E_FS0_REGNUM + i,
705 trad_frame_set_reg_addr (this_cache, E_FPCR_REGNUM, fpubase + 4 * 32);
708 trad_frame_set_id (this_cache, frame_id_build (sc_base, func));
711 /* AM33 GNU/Linux osabi has been recognized.
712 Now's our chance to register our corefile handling. */
715 am33_linux_init_osabi (struct gdbarch_info info, struct gdbarch *gdbarch)
717 linux_init_abi (info, gdbarch);
719 set_gdbarch_regset_from_core_section (gdbarch,
720 am33_regset_from_core_section);
721 set_solib_svr4_fetch_link_map_offsets
722 (gdbarch, svr4_ilp32_fetch_link_map_offsets);
724 tramp_frame_prepend_unwinder (gdbarch, &am33_linux_sigframe);
725 tramp_frame_prepend_unwinder (gdbarch, &am33_linux_rt_sigframe);
728 /* Provide a prototype to silence -Wmissing-prototypes. */
729 extern initialize_file_ftype _initialize_mn10300_linux_tdep;
732 _initialize_mn10300_linux_tdep (void)
734 gdbarch_register_osabi (bfd_arch_mn10300, 0,
735 GDB_OSABI_LINUX, am33_linux_init_osabi);