1 /* Target-dependent code for the Matsushita MN10300 for GDB, the GNU debugger.
3 Copyright (C) 2003-2019 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/>. */
23 #include "mn10300-tdep.h"
28 #include "solib-svr4.h"
30 #include "trad-frame.h"
31 #include "tramp-frame.h"
32 #include "linux-tdep.h"
35 /* Transliterated from <asm-mn10300/elf.h>... */
36 #define MN10300_ELF_NGREG 28
37 #define MN10300_ELF_NFPREG 32
39 typedef gdb_byte mn10300_elf_greg_t[4];
40 typedef mn10300_elf_greg_t mn10300_elf_gregset_t[MN10300_ELF_NGREG];
42 typedef gdb_byte mn10300_elf_fpreg_t[4];
45 mn10300_elf_fpreg_t fpregs[MN10300_ELF_NFPREG];
47 } mn10300_elf_fpregset_t;
49 /* elf_gregset_t register indices stolen from include/asm-mn10300/ptrace.h. */
50 #define MN10300_ELF_GREGSET_T_REG_INDEX_A3 0
51 #define MN10300_ELF_GREGSET_T_REG_INDEX_A2 1
52 #define MN10300_ELF_GREGSET_T_REG_INDEX_D3 2
53 #define MN10300_ELF_GREGSET_T_REG_INDEX_D2 3
54 #define MN10300_ELF_GREGSET_T_REG_INDEX_MCVF 4
55 #define MN10300_ELF_GREGSET_T_REG_INDEX_MCRL 5
56 #define MN10300_ELF_GREGSET_T_REG_INDEX_MCRH 6
57 #define MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ 7
58 #define MN10300_ELF_GREGSET_T_REG_INDEX_E1 8
59 #define MN10300_ELF_GREGSET_T_REG_INDEX_E0 9
60 #define MN10300_ELF_GREGSET_T_REG_INDEX_E7 10
61 #define MN10300_ELF_GREGSET_T_REG_INDEX_E6 11
62 #define MN10300_ELF_GREGSET_T_REG_INDEX_E5 12
63 #define MN10300_ELF_GREGSET_T_REG_INDEX_E4 13
64 #define MN10300_ELF_GREGSET_T_REG_INDEX_E3 14
65 #define MN10300_ELF_GREGSET_T_REG_INDEX_E2 15
66 #define MN10300_ELF_GREGSET_T_REG_INDEX_SP 16
67 #define MN10300_ELF_GREGSET_T_REG_INDEX_LAR 17
68 #define MN10300_ELF_GREGSET_T_REG_INDEX_LIR 18
69 #define MN10300_ELF_GREGSET_T_REG_INDEX_MDR 19
70 #define MN10300_ELF_GREGSET_T_REG_INDEX_A1 20
71 #define MN10300_ELF_GREGSET_T_REG_INDEX_A0 21
72 #define MN10300_ELF_GREGSET_T_REG_INDEX_D1 22
73 #define MN10300_ELF_GREGSET_T_REG_INDEX_D0 23
74 #define MN10300_ELF_GREGSET_T_REG_INDEX_ORIG_D0 24
75 #define MN10300_ELF_GREGSET_T_REG_INDEX_EPSW 25
76 #define MN10300_ELF_GREGSET_T_REG_INDEX_PC 26
78 /* New gdbarch API for corefile registers.
79 Given a section name and size, create a struct reg object
80 with a supply_register and a collect_register method. */
82 /* Copy register value of REGNUM from regset to regcache.
83 If REGNUM is -1, do this for all gp registers in regset. */
86 am33_supply_gregset_method (const struct regset *regset,
87 struct regcache *regcache,
88 int regnum, const void *gregs, size_t len)
90 const mn10300_elf_greg_t *regp = (const mn10300_elf_greg_t *) gregs;
93 gdb_assert (len >= sizeof (mn10300_elf_gregset_t));
97 regcache->raw_supply (E_D0_REGNUM,
98 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D0));
101 regcache->raw_supply (E_D1_REGNUM,
102 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D1));
105 regcache->raw_supply (E_D2_REGNUM,
106 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D2));
109 regcache->raw_supply (E_D3_REGNUM,
110 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D3));
113 regcache->raw_supply (E_A0_REGNUM,
114 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A0));
117 regcache->raw_supply (E_A1_REGNUM,
118 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A1));
121 regcache->raw_supply (E_A2_REGNUM,
122 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A2));
125 regcache->raw_supply (E_A3_REGNUM,
126 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A3));
129 regcache->raw_supply (E_SP_REGNUM,
130 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_SP));
133 regcache->raw_supply (E_PC_REGNUM,
134 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_PC));
137 regcache->raw_supply (E_MDR_REGNUM,
138 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDR));
141 regcache->raw_supply (E_PSW_REGNUM,
142 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_EPSW));
145 regcache->raw_supply (E_LIR_REGNUM,
146 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LIR));
149 regcache->raw_supply (E_LAR_REGNUM,
150 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LAR));
153 regcache->raw_supply (E_MDRQ_REGNUM,
154 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ));
157 regcache->raw_supply (E_E0_REGNUM,
158 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E0));
161 regcache->raw_supply (E_E1_REGNUM,
162 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E1));
165 regcache->raw_supply (E_E2_REGNUM,
166 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E2));
169 regcache->raw_supply (E_E3_REGNUM,
170 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E3));
173 regcache->raw_supply (E_E4_REGNUM,
174 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E4));
177 regcache->raw_supply (E_E5_REGNUM,
178 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E5));
181 regcache->raw_supply (E_E6_REGNUM,
182 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E6));
185 regcache->raw_supply (E_E7_REGNUM,
186 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E7));
189 /* ssp, msp, and usp are inaccessible. */
191 regcache->raw_supply_zeroed (E_E8_REGNUM);
194 regcache->raw_supply_zeroed (E_E9_REGNUM);
197 regcache->raw_supply_zeroed (E_E10_REGNUM);
200 regcache->raw_supply (E_MCRH_REGNUM,
201 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRH));
204 regcache->raw_supply (E_MCRL_REGNUM,
205 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRL));
208 regcache->raw_supply (E_MCVF_REGNUM,
209 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCVF));
212 /* FPCR is numbered among the GP regs, but handled as an FP reg.
215 case E_FPCR_REGNUM + 1:
216 /* The two unused registers beyond fpcr are inaccessible. */
217 regcache->raw_supply_zeroed (E_FPCR_REGNUM + 1);
219 case E_FPCR_REGNUM + 2:
220 regcache->raw_supply_zeroed (E_FPCR_REGNUM + 2);
222 default: /* An error, obviously, but should we error out? */
225 for (i = 0; i < MN10300_ELF_NGREG; i++)
226 am33_supply_gregset_method (regset, regcache, i, gregs, len);
232 /* Copy fp register value of REGNUM from regset to regcache.
233 If REGNUM is -1, do this for all fp registers in regset. */
236 am33_supply_fpregset_method (const struct regset *regset,
237 struct regcache *regcache,
238 int regnum, const void *fpregs, size_t len)
240 const mn10300_elf_fpregset_t *fpregset
241 = (const mn10300_elf_fpregset_t *) fpregs;
243 gdb_assert (len >= sizeof (mn10300_elf_fpregset_t));
249 for (i = 0; i < MN10300_ELF_NFPREG; i++)
250 am33_supply_fpregset_method (regset, regcache,
251 E_FS0_REGNUM + i, fpregs, len);
252 am33_supply_fpregset_method (regset, regcache,
253 E_FPCR_REGNUM, fpregs, len);
255 else if (regnum == E_FPCR_REGNUM)
256 regcache->raw_supply (E_FPCR_REGNUM, &fpregset->fpcr);
257 else if (E_FS0_REGNUM <= regnum
258 && regnum < E_FS0_REGNUM + MN10300_ELF_NFPREG)
259 regcache->raw_supply (regnum, &fpregset->fpregs[regnum - E_FS0_REGNUM]);
264 /* Copy register values from regcache to regset. */
267 am33_collect_gregset_method (const struct regset *regset,
268 const struct regcache *regcache,
269 int regnum, void *gregs, size_t len)
271 mn10300_elf_gregset_t *regp = (gdb_byte (*)[28][4]) gregs;
274 gdb_assert (len >= sizeof (mn10300_elf_gregset_t));
278 regcache->raw_collect (E_D0_REGNUM,
279 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D0));
282 regcache->raw_collect (E_D1_REGNUM,
283 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D1));
286 regcache->raw_collect (E_D2_REGNUM,
287 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D2));
290 regcache->raw_collect (E_D3_REGNUM,
291 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D3));
294 regcache->raw_collect (E_A0_REGNUM,
295 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A0));
298 regcache->raw_collect (E_A1_REGNUM,
299 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A1));
302 regcache->raw_collect (E_A2_REGNUM,
303 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A2));
306 regcache->raw_collect (E_A3_REGNUM,
307 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A3));
310 regcache->raw_collect (E_SP_REGNUM,
311 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_SP));
314 regcache->raw_collect (E_PC_REGNUM,
315 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_PC));
318 regcache->raw_collect (E_MDR_REGNUM,
319 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDR));
322 regcache->raw_collect (E_PSW_REGNUM,
323 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_EPSW));
326 regcache->raw_collect (E_LIR_REGNUM,
327 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LIR));
330 regcache->raw_collect (E_LAR_REGNUM,
331 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LAR));
334 regcache->raw_collect (E_MDRQ_REGNUM,
335 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ));
338 regcache->raw_collect (E_E0_REGNUM,
339 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E0));
342 regcache->raw_collect (E_E1_REGNUM,
343 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E1));
346 regcache->raw_collect (E_E2_REGNUM,
347 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E2));
350 regcache->raw_collect (E_E3_REGNUM,
351 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E3));
354 regcache->raw_collect (E_E4_REGNUM,
355 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E4));
358 regcache->raw_collect (E_E5_REGNUM,
359 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E5));
362 regcache->raw_collect (E_E6_REGNUM,
363 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E6));
366 regcache->raw_collect (E_E7_REGNUM,
367 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E7));
370 /* ssp, msp, and usp are inaccessible. */
372 /* The gregset struct has noplace to put this: do nothing. */
375 /* The gregset struct has noplace to put this: do nothing. */
378 /* The gregset struct has noplace to put this: do nothing. */
381 regcache->raw_collect (E_MCRH_REGNUM,
382 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRH));
385 regcache->raw_collect (E_MCRL_REGNUM,
386 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRL));
389 regcache->raw_collect (E_MCVF_REGNUM,
390 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCVF));
393 /* FPCR is numbered among the GP regs, but handled as an FP reg.
396 case E_FPCR_REGNUM + 1:
397 /* The gregset struct has noplace to put this: do nothing. */
399 case E_FPCR_REGNUM + 2:
400 /* The gregset struct has noplace to put this: do nothing. */
402 default: /* An error, obviously, but should we error out? */
405 for (i = 0; i < MN10300_ELF_NGREG; i++)
406 am33_collect_gregset_method (regset, regcache, i, gregs, len);
412 /* Copy fp register values from regcache to regset. */
415 am33_collect_fpregset_method (const struct regset *regset,
416 const struct regcache *regcache,
417 int regnum, void *fpregs, size_t len)
419 mn10300_elf_fpregset_t *fpregset = (mn10300_elf_fpregset_t *) fpregs;
421 gdb_assert (len >= sizeof (mn10300_elf_fpregset_t));
426 for (i = 0; i < MN10300_ELF_NFPREG; i++)
427 am33_collect_fpregset_method (regset, regcache, E_FS0_REGNUM + i,
429 am33_collect_fpregset_method (regset, regcache,
430 E_FPCR_REGNUM, fpregs, len);
432 else if (regnum == E_FPCR_REGNUM)
433 regcache->raw_collect (E_FPCR_REGNUM, &fpregset->fpcr);
434 else if (E_FS0_REGNUM <= regnum
435 && regnum < E_FS0_REGNUM + MN10300_ELF_NFPREG)
436 regcache->raw_collect (regnum, &fpregset->fpregs[regnum - E_FS0_REGNUM]);
441 static const struct regset am33_gregset =
443 NULL, am33_supply_gregset_method, am33_collect_gregset_method
446 static const struct regset am33_fpregset =
448 NULL, am33_supply_fpregset_method, am33_collect_fpregset_method
451 /* Iterate over core file register note sections. */
454 am33_iterate_over_regset_sections (struct gdbarch *gdbarch,
455 iterate_over_regset_sections_cb *cb,
457 const struct regcache *regcache)
459 cb (".reg", sizeof (mn10300_elf_gregset_t), sizeof (mn10300_elf_gregset_t),
460 &am33_gregset, NULL, cb_data);
461 cb (".reg2", sizeof (mn10300_elf_fpregset_t), sizeof (mn10300_elf_fpregset_t),
462 &am33_fpregset, NULL, cb_data);
466 am33_linux_sigframe_cache_init (const struct tramp_frame *self,
467 struct frame_info *this_frame,
468 struct trad_frame_cache *this_cache,
471 static const struct tramp_frame am33_linux_sigframe = {
476 { 0x2c, ULONGEST_MAX },
477 { 0x77, ULONGEST_MAX },
478 { 0x00, ULONGEST_MAX },
480 { 0xf0, ULONGEST_MAX },
481 { 0xe0, ULONGEST_MAX },
482 { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
484 am33_linux_sigframe_cache_init
487 static const struct tramp_frame am33_linux_rt_sigframe = {
492 { 0x2c, ULONGEST_MAX },
493 { 0xad, ULONGEST_MAX },
494 { 0x00, ULONGEST_MAX },
496 { 0xf0, ULONGEST_MAX },
497 { 0xe0, ULONGEST_MAX },
498 { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
500 am33_linux_sigframe_cache_init
503 /* Relevant struct definitions for signal handling...
505 From arch/mn10300/kernel/sigframe.h:
509 void (*pretcode)(void);
511 struct sigcontext *psc;
512 struct sigcontext sc;
513 struct fpucontext fpuctx;
514 unsigned long extramask[_NSIG_WORDS-1];
520 void (*pretcode)(void);
522 struct siginfo *pinfo;
526 struct fpucontext fpuctx;
530 From include/asm-mn10300/ucontext.h:
533 unsigned long uc_flags;
534 struct ucontext *uc_link;
536 struct sigcontext uc_mcontext;
540 From include/asm-mn10300/sigcontext.h:
543 unsigned long fs[32];
574 struct fpucontext *fpucontext;
575 unsigned long oldmask;
579 #define AM33_SIGCONTEXT_D0 0
580 #define AM33_SIGCONTEXT_D1 4
581 #define AM33_SIGCONTEXT_D2 8
582 #define AM33_SIGCONTEXT_D3 12
583 #define AM33_SIGCONTEXT_A0 16
584 #define AM33_SIGCONTEXT_A1 20
585 #define AM33_SIGCONTEXT_A2 24
586 #define AM33_SIGCONTEXT_A3 28
587 #define AM33_SIGCONTEXT_E0 32
588 #define AM33_SIGCONTEXT_E1 36
589 #define AM33_SIGCONTEXT_E2 40
590 #define AM33_SIGCONTEXT_E3 44
591 #define AM33_SIGCONTEXT_E4 48
592 #define AM33_SIGCONTEXT_E5 52
593 #define AM33_SIGCONTEXT_E6 56
594 #define AM33_SIGCONTEXT_E7 60
595 #define AM33_SIGCONTEXT_LAR 64
596 #define AM33_SIGCONTEXT_LIR 68
597 #define AM33_SIGCONTEXT_MDR 72
598 #define AM33_SIGCONTEXT_MCVF 76
599 #define AM33_SIGCONTEXT_MCRL 80
600 #define AM33_SIGCONTEXT_MCRH 84
601 #define AM33_SIGCONTEXT_MDRQ 88
602 #define AM33_SIGCONTEXT_SP 92
603 #define AM33_SIGCONTEXT_EPSW 96
604 #define AM33_SIGCONTEXT_PC 100
605 #define AM33_SIGCONTEXT_FPUCONTEXT 104
609 am33_linux_sigframe_cache_init (const struct tramp_frame *self,
610 struct frame_info *this_frame,
611 struct trad_frame_cache *this_cache,
614 CORE_ADDR sc_base, fpubase;
617 sc_base = get_frame_register_unsigned (this_frame, E_SP_REGNUM);
618 if (self == &am33_linux_sigframe)
621 sc_base = get_frame_memory_unsigned (this_frame, sc_base, 4);
626 sc_base = get_frame_memory_unsigned (this_frame, sc_base, 4);
630 trad_frame_set_reg_addr (this_cache, E_D0_REGNUM,
631 sc_base + AM33_SIGCONTEXT_D0);
632 trad_frame_set_reg_addr (this_cache, E_D1_REGNUM,
633 sc_base + AM33_SIGCONTEXT_D1);
634 trad_frame_set_reg_addr (this_cache, E_D2_REGNUM,
635 sc_base + AM33_SIGCONTEXT_D2);
636 trad_frame_set_reg_addr (this_cache, E_D3_REGNUM,
637 sc_base + AM33_SIGCONTEXT_D3);
639 trad_frame_set_reg_addr (this_cache, E_A0_REGNUM,
640 sc_base + AM33_SIGCONTEXT_A0);
641 trad_frame_set_reg_addr (this_cache, E_A1_REGNUM,
642 sc_base + AM33_SIGCONTEXT_A1);
643 trad_frame_set_reg_addr (this_cache, E_A2_REGNUM,
644 sc_base + AM33_SIGCONTEXT_A2);
645 trad_frame_set_reg_addr (this_cache, E_A3_REGNUM,
646 sc_base + AM33_SIGCONTEXT_A3);
648 trad_frame_set_reg_addr (this_cache, E_E0_REGNUM,
649 sc_base + AM33_SIGCONTEXT_E0);
650 trad_frame_set_reg_addr (this_cache, E_E1_REGNUM,
651 sc_base + AM33_SIGCONTEXT_E1);
652 trad_frame_set_reg_addr (this_cache, E_E2_REGNUM,
653 sc_base + AM33_SIGCONTEXT_E2);
654 trad_frame_set_reg_addr (this_cache, E_E3_REGNUM,
655 sc_base + AM33_SIGCONTEXT_E3);
656 trad_frame_set_reg_addr (this_cache, E_E4_REGNUM,
657 sc_base + AM33_SIGCONTEXT_E4);
658 trad_frame_set_reg_addr (this_cache, E_E5_REGNUM,
659 sc_base + AM33_SIGCONTEXT_E5);
660 trad_frame_set_reg_addr (this_cache, E_E6_REGNUM,
661 sc_base + AM33_SIGCONTEXT_E6);
662 trad_frame_set_reg_addr (this_cache, E_E7_REGNUM,
663 sc_base + AM33_SIGCONTEXT_E7);
665 trad_frame_set_reg_addr (this_cache, E_LAR_REGNUM,
666 sc_base + AM33_SIGCONTEXT_LAR);
667 trad_frame_set_reg_addr (this_cache, E_LIR_REGNUM,
668 sc_base + AM33_SIGCONTEXT_LIR);
669 trad_frame_set_reg_addr (this_cache, E_MDR_REGNUM,
670 sc_base + AM33_SIGCONTEXT_MDR);
671 trad_frame_set_reg_addr (this_cache, E_MCVF_REGNUM,
672 sc_base + AM33_SIGCONTEXT_MCVF);
673 trad_frame_set_reg_addr (this_cache, E_MCRL_REGNUM,
674 sc_base + AM33_SIGCONTEXT_MCRL);
675 trad_frame_set_reg_addr (this_cache, E_MDRQ_REGNUM,
676 sc_base + AM33_SIGCONTEXT_MDRQ);
678 trad_frame_set_reg_addr (this_cache, E_SP_REGNUM,
679 sc_base + AM33_SIGCONTEXT_SP);
680 trad_frame_set_reg_addr (this_cache, E_PSW_REGNUM,
681 sc_base + AM33_SIGCONTEXT_EPSW);
682 trad_frame_set_reg_addr (this_cache, E_PC_REGNUM,
683 sc_base + AM33_SIGCONTEXT_PC);
685 fpubase = get_frame_memory_unsigned (this_frame,
686 sc_base + AM33_SIGCONTEXT_FPUCONTEXT,
690 for (i = 0; i < 32; i++)
692 trad_frame_set_reg_addr (this_cache, E_FS0_REGNUM + i,
695 trad_frame_set_reg_addr (this_cache, E_FPCR_REGNUM, fpubase + 4 * 32);
698 trad_frame_set_id (this_cache, frame_id_build (sc_base, func));
701 /* AM33 GNU/Linux osabi has been recognized.
702 Now's our chance to register our corefile handling. */
705 am33_linux_init_osabi (struct gdbarch_info info, struct gdbarch *gdbarch)
707 linux_init_abi (info, gdbarch);
709 set_gdbarch_iterate_over_regset_sections
710 (gdbarch, am33_iterate_over_regset_sections);
711 set_solib_svr4_fetch_link_map_offsets
712 (gdbarch, svr4_ilp32_fetch_link_map_offsets);
714 tramp_frame_prepend_unwinder (gdbarch, &am33_linux_sigframe);
715 tramp_frame_prepend_unwinder (gdbarch, &am33_linux_rt_sigframe);
719 _initialize_mn10300_linux_tdep (void)
721 gdbarch_register_osabi (bfd_arch_mn10300, 0,
722 GDB_OSABI_LINUX, am33_linux_init_osabi);