1 /* Target-dependent code for the Matsushita MN10300 for GDB, the GNU debugger.
3 Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
4 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 #include "gdb_string.h"
25 #include "mn10300-tdep.h"
26 #include "gdb_assert.h"
31 #include "solib-svr4.h"
33 #include "trad-frame.h"
34 #include "tramp-frame.h"
35 #include "linux-tdep.h"
39 /* Transliterated from <asm-mn10300/elf.h>... */
40 #define MN10300_ELF_NGREG 28
41 #define MN10300_ELF_NFPREG 32
43 typedef gdb_byte mn10300_elf_greg_t[4];
44 typedef mn10300_elf_greg_t mn10300_elf_gregset_t[MN10300_ELF_NGREG];
46 typedef gdb_byte mn10300_elf_fpreg_t[4];
49 mn10300_elf_fpreg_t fpregs[MN10300_ELF_NFPREG];
51 } mn10300_elf_fpregset_t;
53 /* elf_gregset_t register indices stolen from include/asm-mn10300/ptrace.h. */
54 #define MN10300_ELF_GREGSET_T_REG_INDEX_A3 0
55 #define MN10300_ELF_GREGSET_T_REG_INDEX_A2 1
56 #define MN10300_ELF_GREGSET_T_REG_INDEX_D3 2
57 #define MN10300_ELF_GREGSET_T_REG_INDEX_D2 3
58 #define MN10300_ELF_GREGSET_T_REG_INDEX_MCVF 4
59 #define MN10300_ELF_GREGSET_T_REG_INDEX_MCRL 5
60 #define MN10300_ELF_GREGSET_T_REG_INDEX_MCRH 6
61 #define MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ 7
62 #define MN10300_ELF_GREGSET_T_REG_INDEX_E1 8
63 #define MN10300_ELF_GREGSET_T_REG_INDEX_E0 9
64 #define MN10300_ELF_GREGSET_T_REG_INDEX_E7 10
65 #define MN10300_ELF_GREGSET_T_REG_INDEX_E6 11
66 #define MN10300_ELF_GREGSET_T_REG_INDEX_E5 12
67 #define MN10300_ELF_GREGSET_T_REG_INDEX_E4 13
68 #define MN10300_ELF_GREGSET_T_REG_INDEX_E3 14
69 #define MN10300_ELF_GREGSET_T_REG_INDEX_E2 15
70 #define MN10300_ELF_GREGSET_T_REG_INDEX_SP 16
71 #define MN10300_ELF_GREGSET_T_REG_INDEX_LAR 17
72 #define MN10300_ELF_GREGSET_T_REG_INDEX_LIR 18
73 #define MN10300_ELF_GREGSET_T_REG_INDEX_MDR 19
74 #define MN10300_ELF_GREGSET_T_REG_INDEX_A1 20
75 #define MN10300_ELF_GREGSET_T_REG_INDEX_A0 21
76 #define MN10300_ELF_GREGSET_T_REG_INDEX_D1 22
77 #define MN10300_ELF_GREGSET_T_REG_INDEX_D0 23
78 #define MN10300_ELF_GREGSET_T_REG_INDEX_ORIG_D0 24
79 #define MN10300_ELF_GREGSET_T_REG_INDEX_EPSW 25
80 #define MN10300_ELF_GREGSET_T_REG_INDEX_PC 26
82 /* New gdbarch API for corefile registers.
83 Given a section name and size, create a struct reg object
84 with a supply_register and a collect_register method. */
86 /* Copy register value of REGNUM from regset to regcache.
87 If REGNUM is -1, do this for all gp registers in regset. */
90 am33_supply_gregset_method (const struct regset *regset,
91 struct regcache *regcache,
92 int regnum, const void *gregs, size_t len)
94 char zerobuf[MAX_REGISTER_SIZE];
95 const mn10300_elf_greg_t *regp = (const mn10300_elf_greg_t *) gregs;
98 gdb_assert (len == sizeof (mn10300_elf_gregset_t));
102 regcache_raw_supply (regcache, E_D0_REGNUM,
103 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D0));
106 regcache_raw_supply (regcache, E_D1_REGNUM,
107 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D1));
110 regcache_raw_supply (regcache, E_D2_REGNUM,
111 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D2));
114 regcache_raw_supply (regcache, E_D3_REGNUM,
115 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D3));
118 regcache_raw_supply (regcache, E_A0_REGNUM,
119 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A0));
122 regcache_raw_supply (regcache, E_A1_REGNUM,
123 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A1));
126 regcache_raw_supply (regcache, E_A2_REGNUM,
127 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A2));
130 regcache_raw_supply (regcache, E_A3_REGNUM,
131 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A3));
134 regcache_raw_supply (regcache, E_SP_REGNUM,
135 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_SP));
138 regcache_raw_supply (regcache, E_PC_REGNUM,
139 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_PC));
142 regcache_raw_supply (regcache, E_MDR_REGNUM,
143 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDR));
146 regcache_raw_supply (regcache, E_PSW_REGNUM,
147 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_EPSW));
150 regcache_raw_supply (regcache, E_LIR_REGNUM,
151 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LIR));
154 regcache_raw_supply (regcache, E_LAR_REGNUM,
155 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LAR));
158 regcache_raw_supply (regcache, E_MDRQ_REGNUM,
159 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ));
162 regcache_raw_supply (regcache, E_E0_REGNUM,
163 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E0));
166 regcache_raw_supply (regcache, E_E1_REGNUM,
167 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E1));
170 regcache_raw_supply (regcache, E_E2_REGNUM,
171 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E2));
174 regcache_raw_supply (regcache, E_E3_REGNUM,
175 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E3));
178 regcache_raw_supply (regcache, E_E4_REGNUM,
179 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E4));
182 regcache_raw_supply (regcache, E_E5_REGNUM,
183 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E5));
186 regcache_raw_supply (regcache, E_E6_REGNUM,
187 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E6));
190 regcache_raw_supply (regcache, E_E7_REGNUM,
191 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E7));
194 /* ssp, msp, and usp are inaccessible. */
196 memset (zerobuf, 0, MAX_REGISTER_SIZE);
197 regcache_raw_supply (regcache, E_E8_REGNUM, zerobuf);
200 memset (zerobuf, 0, MAX_REGISTER_SIZE);
201 regcache_raw_supply (regcache, E_E9_REGNUM, zerobuf);
204 memset (zerobuf, 0, MAX_REGISTER_SIZE);
205 regcache_raw_supply (regcache, E_E10_REGNUM, zerobuf);
209 regcache_raw_supply (regcache, E_MCRH_REGNUM,
210 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRH));
213 regcache_raw_supply (regcache, E_MCRL_REGNUM,
214 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRL));
217 regcache_raw_supply (regcache, E_MCVF_REGNUM,
218 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCVF));
221 /* FPCR is numbered among the GP regs, but handled as an FP reg.
224 case E_FPCR_REGNUM + 1:
225 /* The two unused registers beyond fpcr are inaccessible. */
226 memset (zerobuf, 0, MAX_REGISTER_SIZE);
227 regcache_raw_supply (regcache, E_FPCR_REGNUM + 1, zerobuf);
229 case E_FPCR_REGNUM + 2:
230 memset (zerobuf, 0, MAX_REGISTER_SIZE);
231 regcache_raw_supply (regcache, E_FPCR_REGNUM + 2, zerobuf);
233 default: /* An error, obviously, but should we error out? */
236 for (i = 0; i < MN10300_ELF_NGREG; i++)
237 am33_supply_gregset_method (regset, regcache, i, gregs, len);
243 /* Copy fp register value of REGNUM from regset to regcache.
244 If REGNUM is -1, do this for all fp registers in regset. */
247 am33_supply_fpregset_method (const struct regset *regset,
248 struct regcache *regcache,
249 int regnum, const void *fpregs, size_t len)
251 const mn10300_elf_fpregset_t *fpregset = fpregs;
253 gdb_assert (len == sizeof (mn10300_elf_fpregset_t));
259 for (i = 0; i < MN10300_ELF_NFPREG; i++)
260 am33_supply_fpregset_method (regset, regcache,
261 E_FS0_REGNUM + i, fpregs, len);
262 am33_supply_fpregset_method (regset, regcache,
263 E_FPCR_REGNUM, fpregs, len);
265 else if (regnum == E_FPCR_REGNUM)
266 regcache_raw_supply (regcache, E_FPCR_REGNUM,
268 else if (E_FS0_REGNUM <= regnum && regnum < E_FS0_REGNUM + MN10300_ELF_NFPREG)
269 regcache_raw_supply (regcache, regnum,
270 &fpregset->fpregs[regnum - E_FS0_REGNUM]);
275 /* Copy register values from regcache to regset. */
278 am33_collect_gregset_method (const struct regset *regset,
279 const struct regcache *regcache,
280 int regnum, void *gregs, size_t len)
282 mn10300_elf_gregset_t *regp = gregs;
285 gdb_assert (len == sizeof (mn10300_elf_gregset_t));
289 regcache_raw_collect (regcache, E_D0_REGNUM,
290 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D0));
293 regcache_raw_collect (regcache, E_D1_REGNUM,
294 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D1));
297 regcache_raw_collect (regcache, E_D2_REGNUM,
298 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D2));
301 regcache_raw_collect (regcache, E_D3_REGNUM,
302 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D3));
305 regcache_raw_collect (regcache, E_A0_REGNUM,
306 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A0));
309 regcache_raw_collect (regcache, E_A1_REGNUM,
310 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A1));
313 regcache_raw_collect (regcache, E_A2_REGNUM,
314 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A2));
317 regcache_raw_collect (regcache, E_A3_REGNUM,
318 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A3));
321 regcache_raw_collect (regcache, E_SP_REGNUM,
322 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_SP));
325 regcache_raw_collect (regcache, E_PC_REGNUM,
326 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_PC));
329 regcache_raw_collect (regcache, E_MDR_REGNUM,
330 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDR));
333 regcache_raw_collect (regcache, E_PSW_REGNUM,
334 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_EPSW));
337 regcache_raw_collect (regcache, E_LIR_REGNUM,
338 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LIR));
341 regcache_raw_collect (regcache, E_LAR_REGNUM,
342 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LAR));
345 regcache_raw_collect (regcache, E_MDRQ_REGNUM,
346 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ));
349 regcache_raw_collect (regcache, E_E0_REGNUM,
350 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E0));
353 regcache_raw_collect (regcache, E_E1_REGNUM,
354 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E1));
357 regcache_raw_collect (regcache, E_E2_REGNUM,
358 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E2));
361 regcache_raw_collect (regcache, E_E3_REGNUM,
362 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E3));
365 regcache_raw_collect (regcache, E_E4_REGNUM,
366 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E4));
369 regcache_raw_collect (regcache, E_E5_REGNUM,
370 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E5));
373 regcache_raw_collect (regcache, E_E6_REGNUM,
374 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E6));
377 regcache_raw_collect (regcache, E_E7_REGNUM,
378 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E7));
381 /* ssp, msp, and usp are inaccessible. */
383 /* The gregset struct has noplace to put this: do nothing. */
386 /* The gregset struct has noplace to put this: do nothing. */
389 /* The gregset struct has noplace to put this: do nothing. */
392 regcache_raw_collect (regcache, E_MCRH_REGNUM,
393 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRH));
396 regcache_raw_collect (regcache, E_MCRL_REGNUM,
397 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRL));
400 regcache_raw_collect (regcache, E_MCVF_REGNUM,
401 (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCVF));
404 /* FPCR is numbered among the GP regs, but handled as an FP reg.
407 case E_FPCR_REGNUM + 1:
408 /* The gregset struct has noplace to put this: do nothing. */
410 case E_FPCR_REGNUM + 2:
411 /* The gregset struct has noplace to put this: do nothing. */
413 default: /* An error, obviously, but should we error out? */
416 for (i = 0; i < MN10300_ELF_NGREG; i++)
417 am33_collect_gregset_method (regset, regcache, i, gregs, len);
423 /* Copy fp register values from regcache to regset. */
426 am33_collect_fpregset_method (const struct regset *regset,
427 const struct regcache *regcache,
428 int regnum, void *fpregs, size_t len)
430 mn10300_elf_fpregset_t *fpregset = fpregs;
432 gdb_assert (len == sizeof (mn10300_elf_fpregset_t));
437 for (i = 0; i < MN10300_ELF_NFPREG; i++)
438 am33_collect_fpregset_method (regset, regcache, E_FS0_REGNUM + i,
440 am33_collect_fpregset_method (regset, regcache,
441 E_FPCR_REGNUM, fpregs, len);
443 else if (regnum == E_FPCR_REGNUM)
444 regcache_raw_collect (regcache, E_FPCR_REGNUM,
446 else if (E_FS0_REGNUM <= regnum
447 && regnum < E_FS0_REGNUM + MN10300_ELF_NFPREG)
448 regcache_raw_collect (regcache, regnum,
449 &fpregset->fpregs[regnum - E_FS0_REGNUM]);
454 /* Create a struct regset from a corefile register section. */
456 static const struct regset *
457 am33_regset_from_core_section (struct gdbarch *gdbarch,
458 const char *sect_name,
461 /* We will call regset_alloc, and pass the names of the supply and
464 if (sect_size == sizeof (mn10300_elf_fpregset_t))
465 return regset_alloc (gdbarch,
466 am33_supply_fpregset_method,
467 am33_collect_fpregset_method);
469 return regset_alloc (gdbarch,
470 am33_supply_gregset_method,
471 am33_collect_gregset_method);
475 am33_linux_sigframe_cache_init (const struct tramp_frame *self,
476 struct frame_info *this_frame,
477 struct trad_frame_cache *this_cache,
480 static const struct tramp_frame am33_linux_sigframe = {
491 { TRAMP_SENTINEL_INSN, -1 }
493 am33_linux_sigframe_cache_init
496 static const struct tramp_frame am33_linux_rt_sigframe = {
507 { TRAMP_SENTINEL_INSN, -1 }
509 am33_linux_sigframe_cache_init
512 /* Relevant struct definitions for signal handling...
514 From arch/mn10300/kernel/sigframe.h:
518 void (*pretcode)(void);
520 struct sigcontext *psc;
521 struct sigcontext sc;
522 struct fpucontext fpuctx;
523 unsigned long extramask[_NSIG_WORDS-1];
529 void (*pretcode)(void);
531 struct siginfo *pinfo;
535 struct fpucontext fpuctx;
539 From include/asm-mn10300/ucontext.h:
542 unsigned long uc_flags;
543 struct ucontext *uc_link;
545 struct sigcontext uc_mcontext;
549 From include/asm-mn10300/sigcontext.h:
552 unsigned long fs[32];
583 struct fpucontext *fpucontext;
584 unsigned long oldmask;
588 #define AM33_SIGCONTEXT_D0 0
589 #define AM33_SIGCONTEXT_D1 4
590 #define AM33_SIGCONTEXT_D2 8
591 #define AM33_SIGCONTEXT_D3 12
592 #define AM33_SIGCONTEXT_A0 16
593 #define AM33_SIGCONTEXT_A1 20
594 #define AM33_SIGCONTEXT_A2 24
595 #define AM33_SIGCONTEXT_A3 28
596 #define AM33_SIGCONTEXT_E0 32
597 #define AM33_SIGCONTEXT_E1 36
598 #define AM33_SIGCONTEXT_E2 40
599 #define AM33_SIGCONTEXT_E3 44
600 #define AM33_SIGCONTEXT_E4 48
601 #define AM33_SIGCONTEXT_E5 52
602 #define AM33_SIGCONTEXT_E6 56
603 #define AM33_SIGCONTEXT_E7 60
604 #define AM33_SIGCONTEXT_LAR 64
605 #define AM33_SIGCONTEXT_LIR 68
606 #define AM33_SIGCONTEXT_MDR 72
607 #define AM33_SIGCONTEXT_MCVF 76
608 #define AM33_SIGCONTEXT_MCRL 80
609 #define AM33_SIGCONTEXT_MCRH 84
610 #define AM33_SIGCONTEXT_MDRQ 88
611 #define AM33_SIGCONTEXT_SP 92
612 #define AM33_SIGCONTEXT_EPSW 96
613 #define AM33_SIGCONTEXT_PC 100
614 #define AM33_SIGCONTEXT_FPUCONTEXT 104
618 am33_linux_sigframe_cache_init (const struct tramp_frame *self,
619 struct frame_info *this_frame,
620 struct trad_frame_cache *this_cache,
623 CORE_ADDR sc_base, fpubase;
626 sc_base = get_frame_register_unsigned (this_frame, E_SP_REGNUM);
627 if (self == &am33_linux_sigframe)
630 sc_base = get_frame_memory_unsigned (this_frame, sc_base, 4);
635 sc_base = get_frame_memory_unsigned (this_frame, sc_base, 4);
639 trad_frame_set_reg_addr (this_cache, E_D0_REGNUM,
640 sc_base + AM33_SIGCONTEXT_D0);
641 trad_frame_set_reg_addr (this_cache, E_D1_REGNUM,
642 sc_base + AM33_SIGCONTEXT_D1);
643 trad_frame_set_reg_addr (this_cache, E_D2_REGNUM,
644 sc_base + AM33_SIGCONTEXT_D2);
645 trad_frame_set_reg_addr (this_cache, E_D3_REGNUM,
646 sc_base + AM33_SIGCONTEXT_D3);
648 trad_frame_set_reg_addr (this_cache, E_A0_REGNUM,
649 sc_base + AM33_SIGCONTEXT_A0);
650 trad_frame_set_reg_addr (this_cache, E_A1_REGNUM,
651 sc_base + AM33_SIGCONTEXT_A1);
652 trad_frame_set_reg_addr (this_cache, E_A2_REGNUM,
653 sc_base + AM33_SIGCONTEXT_A2);
654 trad_frame_set_reg_addr (this_cache, E_A3_REGNUM,
655 sc_base + AM33_SIGCONTEXT_A3);
657 trad_frame_set_reg_addr (this_cache, E_E0_REGNUM,
658 sc_base + AM33_SIGCONTEXT_E0);
659 trad_frame_set_reg_addr (this_cache, E_E1_REGNUM,
660 sc_base + AM33_SIGCONTEXT_E1);
661 trad_frame_set_reg_addr (this_cache, E_E2_REGNUM,
662 sc_base + AM33_SIGCONTEXT_E2);
663 trad_frame_set_reg_addr (this_cache, E_E3_REGNUM,
664 sc_base + AM33_SIGCONTEXT_E3);
665 trad_frame_set_reg_addr (this_cache, E_E4_REGNUM,
666 sc_base + AM33_SIGCONTEXT_E4);
667 trad_frame_set_reg_addr (this_cache, E_E5_REGNUM,
668 sc_base + AM33_SIGCONTEXT_E5);
669 trad_frame_set_reg_addr (this_cache, E_E6_REGNUM,
670 sc_base + AM33_SIGCONTEXT_E6);
671 trad_frame_set_reg_addr (this_cache, E_E7_REGNUM,
672 sc_base + AM33_SIGCONTEXT_E7);
674 trad_frame_set_reg_addr (this_cache, E_LAR_REGNUM,
675 sc_base + AM33_SIGCONTEXT_LAR);
676 trad_frame_set_reg_addr (this_cache, E_LIR_REGNUM,
677 sc_base + AM33_SIGCONTEXT_LIR);
678 trad_frame_set_reg_addr (this_cache, E_MDR_REGNUM,
679 sc_base + AM33_SIGCONTEXT_MDR);
680 trad_frame_set_reg_addr (this_cache, E_MCVF_REGNUM,
681 sc_base + AM33_SIGCONTEXT_MCVF);
682 trad_frame_set_reg_addr (this_cache, E_MCRL_REGNUM,
683 sc_base + AM33_SIGCONTEXT_MCRL);
684 trad_frame_set_reg_addr (this_cache, E_MDRQ_REGNUM,
685 sc_base + AM33_SIGCONTEXT_MDRQ);
687 trad_frame_set_reg_addr (this_cache, E_SP_REGNUM,
688 sc_base + AM33_SIGCONTEXT_SP);
689 trad_frame_set_reg_addr (this_cache, E_PSW_REGNUM,
690 sc_base + AM33_SIGCONTEXT_EPSW);
691 trad_frame_set_reg_addr (this_cache, E_PC_REGNUM,
692 sc_base + AM33_SIGCONTEXT_PC);
694 fpubase = get_frame_memory_unsigned (this_frame,
695 sc_base + AM33_SIGCONTEXT_FPUCONTEXT, 4);
698 for (i = 0; i < 32; i++)
700 trad_frame_set_reg_addr (this_cache, E_FS0_REGNUM + i,
703 trad_frame_set_reg_addr (this_cache, E_FPCR_REGNUM, fpubase + 4 * 32);
706 trad_frame_set_id (this_cache, frame_id_build (sc_base, func));
709 /* AM33 GNU/Linux osabi has been recognized.
710 Now's our chance to register our corefile handling. */
713 am33_linux_init_osabi (struct gdbarch_info info, struct gdbarch *gdbarch)
715 linux_init_abi (info, gdbarch);
717 set_gdbarch_regset_from_core_section (gdbarch,
718 am33_regset_from_core_section);
719 set_solib_svr4_fetch_link_map_offsets
720 (gdbarch, svr4_ilp32_fetch_link_map_offsets);
722 tramp_frame_prepend_unwinder (gdbarch, &am33_linux_sigframe);
723 tramp_frame_prepend_unwinder (gdbarch, &am33_linux_rt_sigframe);
726 /* Provide a prototype to silence -Wmissing-prototypes. */
727 extern initialize_file_ftype _initialize_mn10300_linux_tdep;
730 _initialize_mn10300_linux_tdep (void)
732 gdbarch_register_osabi (bfd_arch_mn10300, 0,
733 GDB_OSABI_LINUX, am33_linux_init_osabi);