1 /* Target-dependent code for the Matsushita MN10300 for GDB, the GNU debugger.
3 Copyright (C) 2003-2016 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"
34 /* Transliterated from <asm-mn10300/elf.h>... */
35 #define MN10300_ELF_NGREG 28
36 #define MN10300_ELF_NFPREG 32
38 typedef gdb_byte mn10300_elf_greg_t[4];
39 typedef mn10300_elf_greg_t mn10300_elf_gregset_t[MN10300_ELF_NGREG];
41 typedef gdb_byte mn10300_elf_fpreg_t[4];
44 mn10300_elf_fpreg_t fpregs[MN10300_ELF_NFPREG];
46 } mn10300_elf_fpregset_t;
48 /* elf_gregset_t register indices stolen from include/asm-mn10300/ptrace.h. */
49 #define MN10300_ELF_GREGSET_T_REG_INDEX_A3 0
50 #define MN10300_ELF_GREGSET_T_REG_INDEX_A2 1
51 #define MN10300_ELF_GREGSET_T_REG_INDEX_D3 2
52 #define MN10300_ELF_GREGSET_T_REG_INDEX_D2 3
53 #define MN10300_ELF_GREGSET_T_REG_INDEX_MCVF 4
54 #define MN10300_ELF_GREGSET_T_REG_INDEX_MCRL 5
55 #define MN10300_ELF_GREGSET_T_REG_INDEX_MCRH 6
56 #define MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ 7
57 #define MN10300_ELF_GREGSET_T_REG_INDEX_E1 8
58 #define MN10300_ELF_GREGSET_T_REG_INDEX_E0 9
59 #define MN10300_ELF_GREGSET_T_REG_INDEX_E7 10
60 #define MN10300_ELF_GREGSET_T_REG_INDEX_E6 11
61 #define MN10300_ELF_GREGSET_T_REG_INDEX_E5 12
62 #define MN10300_ELF_GREGSET_T_REG_INDEX_E4 13
63 #define MN10300_ELF_GREGSET_T_REG_INDEX_E3 14
64 #define MN10300_ELF_GREGSET_T_REG_INDEX_E2 15
65 #define MN10300_ELF_GREGSET_T_REG_INDEX_SP 16
66 #define MN10300_ELF_GREGSET_T_REG_INDEX_LAR 17
67 #define MN10300_ELF_GREGSET_T_REG_INDEX_LIR 18
68 #define MN10300_ELF_GREGSET_T_REG_INDEX_MDR 19
69 #define MN10300_ELF_GREGSET_T_REG_INDEX_A1 20
70 #define MN10300_ELF_GREGSET_T_REG_INDEX_A0 21
71 #define MN10300_ELF_GREGSET_T_REG_INDEX_D1 22
72 #define MN10300_ELF_GREGSET_T_REG_INDEX_D0 23
73 #define MN10300_ELF_GREGSET_T_REG_INDEX_ORIG_D0 24
74 #define MN10300_ELF_GREGSET_T_REG_INDEX_EPSW 25
75 #define MN10300_ELF_GREGSET_T_REG_INDEX_PC 26
77 /* New gdbarch API for corefile registers.
78 Given a section name and size, create a struct reg object
79 with a supply_register and a collect_register method. */
81 /* Copy register value of REGNUM from regset to regcache.
82 If REGNUM is -1, do this for all gp registers in regset. */
85 am33_supply_gregset_method (const struct regset *regset,
86 struct regcache *regcache,
87 int regnum, const void *gregs, size_t len)
89 char zerobuf[MAX_REGISTER_SIZE];
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 (regcache, E_D0_REGNUM,
98 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D0));
101 regcache_raw_supply (regcache, E_D1_REGNUM,
102 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D1));
105 regcache_raw_supply (regcache, E_D2_REGNUM,
106 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D2));
109 regcache_raw_supply (regcache, E_D3_REGNUM,
110 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D3));
113 regcache_raw_supply (regcache, E_A0_REGNUM,
114 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A0));
117 regcache_raw_supply (regcache, E_A1_REGNUM,
118 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A1));
121 regcache_raw_supply (regcache, E_A2_REGNUM,
122 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A2));
125 regcache_raw_supply (regcache, E_A3_REGNUM,
126 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A3));
129 regcache_raw_supply (regcache, E_SP_REGNUM,
130 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_SP));
133 regcache_raw_supply (regcache, E_PC_REGNUM,
134 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_PC));
137 regcache_raw_supply (regcache, E_MDR_REGNUM,
138 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDR));
141 regcache_raw_supply (regcache, E_PSW_REGNUM,
142 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_EPSW));
145 regcache_raw_supply (regcache, E_LIR_REGNUM,
146 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LIR));
149 regcache_raw_supply (regcache, E_LAR_REGNUM,
150 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LAR));
153 regcache_raw_supply (regcache, E_MDRQ_REGNUM,
154 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ));
157 regcache_raw_supply (regcache, E_E0_REGNUM,
158 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E0));
161 regcache_raw_supply (regcache, E_E1_REGNUM,
162 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E1));
165 regcache_raw_supply (regcache, E_E2_REGNUM,
166 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E2));
169 regcache_raw_supply (regcache, E_E3_REGNUM,
170 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E3));
173 regcache_raw_supply (regcache, E_E4_REGNUM,
174 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E4));
177 regcache_raw_supply (regcache, E_E5_REGNUM,
178 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E5));
181 regcache_raw_supply (regcache, E_E6_REGNUM,
182 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E6));
185 regcache_raw_supply (regcache, E_E7_REGNUM,
186 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E7));
189 /* ssp, msp, and usp are inaccessible. */
191 memset (zerobuf, 0, MAX_REGISTER_SIZE);
192 regcache_raw_supply (regcache, E_E8_REGNUM, zerobuf);
195 memset (zerobuf, 0, MAX_REGISTER_SIZE);
196 regcache_raw_supply (regcache, E_E9_REGNUM, zerobuf);
199 memset (zerobuf, 0, MAX_REGISTER_SIZE);
200 regcache_raw_supply (regcache, E_E10_REGNUM, zerobuf);
204 regcache_raw_supply (regcache, E_MCRH_REGNUM,
205 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRH));
208 regcache_raw_supply (regcache, E_MCRL_REGNUM,
209 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRL));
212 regcache_raw_supply (regcache, E_MCVF_REGNUM,
213 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCVF));
216 /* FPCR is numbered among the GP regs, but handled as an FP reg.
219 case E_FPCR_REGNUM + 1:
220 /* The two unused registers beyond fpcr are inaccessible. */
221 memset (zerobuf, 0, MAX_REGISTER_SIZE);
222 regcache_raw_supply (regcache, E_FPCR_REGNUM + 1, zerobuf);
224 case E_FPCR_REGNUM + 2:
225 memset (zerobuf, 0, MAX_REGISTER_SIZE);
226 regcache_raw_supply (regcache, E_FPCR_REGNUM + 2, zerobuf);
228 default: /* An error, obviously, but should we error out? */
231 for (i = 0; i < MN10300_ELF_NGREG; i++)
232 am33_supply_gregset_method (regset, regcache, i, gregs, len);
238 /* Copy fp register value of REGNUM from regset to regcache.
239 If REGNUM is -1, do this for all fp registers in regset. */
242 am33_supply_fpregset_method (const struct regset *regset,
243 struct regcache *regcache,
244 int regnum, const void *fpregs, size_t len)
246 const mn10300_elf_fpregset_t *fpregset
247 = (const mn10300_elf_fpregset_t *) fpregs;
249 gdb_assert (len >= sizeof (mn10300_elf_fpregset_t));
255 for (i = 0; i < MN10300_ELF_NFPREG; i++)
256 am33_supply_fpregset_method (regset, regcache,
257 E_FS0_REGNUM + i, fpregs, len);
258 am33_supply_fpregset_method (regset, regcache,
259 E_FPCR_REGNUM, fpregs, len);
261 else if (regnum == E_FPCR_REGNUM)
262 regcache_raw_supply (regcache, E_FPCR_REGNUM,
264 else if (E_FS0_REGNUM <= regnum
265 && regnum < E_FS0_REGNUM + MN10300_ELF_NFPREG)
266 regcache_raw_supply (regcache, regnum,
267 &fpregset->fpregs[regnum - E_FS0_REGNUM]);
272 /* Copy register values from regcache to regset. */
275 am33_collect_gregset_method (const struct regset *regset,
276 const struct regcache *regcache,
277 int regnum, void *gregs, size_t len)
279 mn10300_elf_gregset_t *regp = (gdb_byte (*)[28][4]) gregs;
282 gdb_assert (len >= sizeof (mn10300_elf_gregset_t));
286 regcache_raw_collect (regcache, E_D0_REGNUM,
287 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D0));
290 regcache_raw_collect (regcache, E_D1_REGNUM,
291 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D1));
294 regcache_raw_collect (regcache, E_D2_REGNUM,
295 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D2));
298 regcache_raw_collect (regcache, E_D3_REGNUM,
299 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D3));
302 regcache_raw_collect (regcache, E_A0_REGNUM,
303 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A0));
306 regcache_raw_collect (regcache, E_A1_REGNUM,
307 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A1));
310 regcache_raw_collect (regcache, E_A2_REGNUM,
311 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A2));
314 regcache_raw_collect (regcache, E_A3_REGNUM,
315 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A3));
318 regcache_raw_collect (regcache, E_SP_REGNUM,
319 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_SP));
322 regcache_raw_collect (regcache, E_PC_REGNUM,
323 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_PC));
326 regcache_raw_collect (regcache, E_MDR_REGNUM,
327 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDR));
330 regcache_raw_collect (regcache, E_PSW_REGNUM,
331 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_EPSW));
334 regcache_raw_collect (regcache, E_LIR_REGNUM,
335 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LIR));
338 regcache_raw_collect (regcache, E_LAR_REGNUM,
339 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LAR));
342 regcache_raw_collect (regcache, E_MDRQ_REGNUM,
343 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ));
346 regcache_raw_collect (regcache, E_E0_REGNUM,
347 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E0));
350 regcache_raw_collect (regcache, E_E1_REGNUM,
351 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E1));
354 regcache_raw_collect (regcache, E_E2_REGNUM,
355 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E2));
358 regcache_raw_collect (regcache, E_E3_REGNUM,
359 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E3));
362 regcache_raw_collect (regcache, E_E4_REGNUM,
363 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E4));
366 regcache_raw_collect (regcache, E_E5_REGNUM,
367 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E5));
370 regcache_raw_collect (regcache, E_E6_REGNUM,
371 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E6));
374 regcache_raw_collect (regcache, E_E7_REGNUM,
375 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E7));
378 /* ssp, msp, and usp are inaccessible. */
380 /* The gregset struct has noplace to put this: do nothing. */
383 /* The gregset struct has noplace to put this: do nothing. */
386 /* The gregset struct has noplace to put this: do nothing. */
389 regcache_raw_collect (regcache, E_MCRH_REGNUM,
390 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRH));
393 regcache_raw_collect (regcache, E_MCRL_REGNUM,
394 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRL));
397 regcache_raw_collect (regcache, E_MCVF_REGNUM,
398 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCVF));
401 /* FPCR is numbered among the GP regs, but handled as an FP reg.
404 case E_FPCR_REGNUM + 1:
405 /* The gregset struct has noplace to put this: do nothing. */
407 case E_FPCR_REGNUM + 2:
408 /* The gregset struct has noplace to put this: do nothing. */
410 default: /* An error, obviously, but should we error out? */
413 for (i = 0; i < MN10300_ELF_NGREG; i++)
414 am33_collect_gregset_method (regset, regcache, i, gregs, len);
420 /* Copy fp register values from regcache to regset. */
423 am33_collect_fpregset_method (const struct regset *regset,
424 const struct regcache *regcache,
425 int regnum, void *fpregs, size_t len)
427 mn10300_elf_fpregset_t *fpregset = (mn10300_elf_fpregset_t *) fpregs;
429 gdb_assert (len >= sizeof (mn10300_elf_fpregset_t));
434 for (i = 0; i < MN10300_ELF_NFPREG; i++)
435 am33_collect_fpregset_method (regset, regcache, E_FS0_REGNUM + i,
437 am33_collect_fpregset_method (regset, regcache,
438 E_FPCR_REGNUM, fpregs, len);
440 else if (regnum == E_FPCR_REGNUM)
441 regcache_raw_collect (regcache, E_FPCR_REGNUM,
443 else if (E_FS0_REGNUM <= regnum
444 && regnum < E_FS0_REGNUM + MN10300_ELF_NFPREG)
445 regcache_raw_collect (regcache, regnum,
446 &fpregset->fpregs[regnum - E_FS0_REGNUM]);
451 static const struct regset am33_gregset =
453 NULL, am33_supply_gregset_method, am33_collect_gregset_method
456 static const struct regset am33_fpregset =
458 NULL, am33_supply_fpregset_method, am33_collect_fpregset_method
461 /* Iterate over core file register note sections. */
464 am33_iterate_over_regset_sections (struct gdbarch *gdbarch,
465 iterate_over_regset_sections_cb *cb,
467 const struct regcache *regcache)
469 cb (".reg", sizeof (mn10300_elf_gregset_t), &am33_gregset,
471 cb (".reg2", sizeof(mn10300_elf_fpregset_t), &am33_fpregset,
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_iterate_over_regset_sections
720 (gdbarch, am33_iterate_over_regset_sections);
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);