1 /* Target-dependent code for the Matsushita MN10300 for GDB, the GNU debugger.
3 Copyright (C) 2003, 2004, 2005, 2006, 2007 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/>. */
22 #include "gdb_string.h"
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"
37 /* Transliterated from <asm-mn10300/elf.h>... */
38 #define MN10300_ELF_NGREG 28
39 #define MN10300_ELF_NFPREG 32
41 typedef gdb_byte mn10300_elf_greg_t
[4];
42 typedef mn10300_elf_greg_t mn10300_elf_gregset_t
[MN10300_ELF_NGREG
];
44 typedef gdb_byte mn10300_elf_fpreg_t
[4];
47 mn10300_elf_fpreg_t fpregs
[MN10300_ELF_NFPREG
];
49 } mn10300_elf_fpregset_t
;
51 /* elf_gregset_t register indices stolen from include/asm-mn10300/ptrace.h. */
52 #define MN10300_ELF_GREGSET_T_REG_INDEX_A3 0
53 #define MN10300_ELF_GREGSET_T_REG_INDEX_A2 1
54 #define MN10300_ELF_GREGSET_T_REG_INDEX_D3 2
55 #define MN10300_ELF_GREGSET_T_REG_INDEX_D2 3
56 #define MN10300_ELF_GREGSET_T_REG_INDEX_MCVF 4
57 #define MN10300_ELF_GREGSET_T_REG_INDEX_MCRL 5
58 #define MN10300_ELF_GREGSET_T_REG_INDEX_MCRH 6
59 #define MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ 7
60 #define MN10300_ELF_GREGSET_T_REG_INDEX_E1 8
61 #define MN10300_ELF_GREGSET_T_REG_INDEX_E0 9
62 #define MN10300_ELF_GREGSET_T_REG_INDEX_E7 10
63 #define MN10300_ELF_GREGSET_T_REG_INDEX_E6 11
64 #define MN10300_ELF_GREGSET_T_REG_INDEX_E5 12
65 #define MN10300_ELF_GREGSET_T_REG_INDEX_E4 13
66 #define MN10300_ELF_GREGSET_T_REG_INDEX_E3 14
67 #define MN10300_ELF_GREGSET_T_REG_INDEX_E2 15
68 #define MN10300_ELF_GREGSET_T_REG_INDEX_SP 16
69 #define MN10300_ELF_GREGSET_T_REG_INDEX_LAR 17
70 #define MN10300_ELF_GREGSET_T_REG_INDEX_LIR 18
71 #define MN10300_ELF_GREGSET_T_REG_INDEX_MDR 19
72 #define MN10300_ELF_GREGSET_T_REG_INDEX_A1 20
73 #define MN10300_ELF_GREGSET_T_REG_INDEX_A0 21
74 #define MN10300_ELF_GREGSET_T_REG_INDEX_D1 22
75 #define MN10300_ELF_GREGSET_T_REG_INDEX_D0 23
76 #define MN10300_ELF_GREGSET_T_REG_INDEX_ORIG_D0 24
77 #define MN10300_ELF_GREGSET_T_REG_INDEX_EPSW 25
78 #define MN10300_ELF_GREGSET_T_REG_INDEX_PC 26
80 /* New gdbarch API for corefile registers.
81 Given a section name and size, create a struct reg object
82 with a supply_register and a collect_register method. */
84 /* Copy register value of REGNUM from regset to regcache.
85 If REGNUM is -1, do this for all gp registers in regset. */
88 am33_supply_gregset_method (const struct regset
*regset
,
89 struct regcache
*regcache
,
90 int regnum
, const void *gregs
, size_t len
)
92 char zerobuf
[MAX_REGISTER_SIZE
];
93 const mn10300_elf_greg_t
*regp
= (const mn10300_elf_greg_t
*) gregs
;
96 gdb_assert (len
== sizeof (mn10300_elf_gregset_t
));
100 regcache_raw_supply (regcache
, E_D0_REGNUM
,
101 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_D0
));
104 regcache_raw_supply (regcache
, E_D1_REGNUM
,
105 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_D1
));
108 regcache_raw_supply (regcache
, E_D2_REGNUM
,
109 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_D2
));
112 regcache_raw_supply (regcache
, E_D3_REGNUM
,
113 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_D3
));
116 regcache_raw_supply (regcache
, E_A0_REGNUM
,
117 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_A0
));
120 regcache_raw_supply (regcache
, E_A1_REGNUM
,
121 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_A1
));
124 regcache_raw_supply (regcache
, E_A2_REGNUM
,
125 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_A2
));
128 regcache_raw_supply (regcache
, E_A3_REGNUM
,
129 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_A3
));
132 regcache_raw_supply (regcache
, E_SP_REGNUM
,
133 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_SP
));
136 regcache_raw_supply (regcache
, E_PC_REGNUM
,
137 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_PC
));
140 regcache_raw_supply (regcache
, E_MDR_REGNUM
,
141 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_MDR
));
144 regcache_raw_supply (regcache
, E_PSW_REGNUM
,
145 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_EPSW
));
148 regcache_raw_supply (regcache
, E_LIR_REGNUM
,
149 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_LIR
));
152 regcache_raw_supply (regcache
, E_LAR_REGNUM
,
153 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_LAR
));
156 regcache_raw_supply (regcache
, E_MDRQ_REGNUM
,
157 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ
));
160 regcache_raw_supply (regcache
, E_E0_REGNUM
,
161 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_E0
));
164 regcache_raw_supply (regcache
, E_E1_REGNUM
,
165 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_E1
));
168 regcache_raw_supply (regcache
, E_E2_REGNUM
,
169 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_E2
));
172 regcache_raw_supply (regcache
, E_E3_REGNUM
,
173 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_E3
));
176 regcache_raw_supply (regcache
, E_E4_REGNUM
,
177 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_E4
));
180 regcache_raw_supply (regcache
, E_E5_REGNUM
,
181 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_E5
));
184 regcache_raw_supply (regcache
, E_E6_REGNUM
,
185 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_E6
));
188 regcache_raw_supply (regcache
, E_E7_REGNUM
,
189 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_E7
));
192 /* ssp, msp, and usp are inaccessible. */
194 memset (zerobuf
, 0, MAX_REGISTER_SIZE
);
195 regcache_raw_supply (regcache
, E_E8_REGNUM
, zerobuf
);
198 memset (zerobuf
, 0, MAX_REGISTER_SIZE
);
199 regcache_raw_supply (regcache
, E_E9_REGNUM
, zerobuf
);
202 memset (zerobuf
, 0, MAX_REGISTER_SIZE
);
203 regcache_raw_supply (regcache
, E_E10_REGNUM
, zerobuf
);
207 regcache_raw_supply (regcache
, E_MCRH_REGNUM
,
208 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_MCRH
));
211 regcache_raw_supply (regcache
, E_MCRL_REGNUM
,
212 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_MCRL
));
215 regcache_raw_supply (regcache
, E_MCVF_REGNUM
,
216 (regp
+ MN10300_ELF_GREGSET_T_REG_INDEX_MCVF
));
219 /* FPCR is numbered among the GP regs, but handled as an FP reg.
222 case E_FPCR_REGNUM
+ 1:
223 /* The two unused registers beyond fpcr are inaccessible. */
224 memset (zerobuf
, 0, MAX_REGISTER_SIZE
);
225 regcache_raw_supply (regcache
, E_FPCR_REGNUM
+ 1, zerobuf
);
227 case E_FPCR_REGNUM
+ 2:
228 memset (zerobuf
, 0, MAX_REGISTER_SIZE
);
229 regcache_raw_supply (regcache
, E_FPCR_REGNUM
+ 2, zerobuf
);
231 default: /* An error, obviously, but should we error out? */
234 for (i
= 0; i
< MN10300_ELF_NGREG
; i
++)
235 am33_supply_gregset_method (regset
, regcache
, i
, gregs
, len
);
241 /* Copy fp register value of REGNUM from regset to regcache.
242 If REGNUM is -1, do this for all fp registers in regset. */
245 am33_supply_fpregset_method (const struct regset
*regset
,
246 struct regcache
*regcache
,
247 int regnum
, const void *fpregs
, size_t len
)
249 const mn10300_elf_fpregset_t
*fpregset
= fpregs
;
251 gdb_assert (len
== sizeof (mn10300_elf_fpregset_t
));
257 for (i
= 0; i
< MN10300_ELF_NFPREG
; i
++)
258 am33_supply_fpregset_method (regset
, regcache
,
259 E_FS0_REGNUM
+ i
, fpregs
, len
);
260 am33_supply_fpregset_method (regset
, regcache
,
261 E_FPCR_REGNUM
, fpregs
, len
);
263 else if (regnum
== E_FPCR_REGNUM
)
264 regcache_raw_supply (regcache
, E_FPCR_REGNUM
,
266 else if (E_FS0_REGNUM
<= regnum
&& 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 /* Create a struct regset from a corefile register section. */
454 static const struct regset
*
455 am33_regset_from_core_section (struct gdbarch
*gdbarch
,
456 const char *sect_name
,
459 /* We will call regset_alloc, and pass the names of the supply and
462 if (sect_size
== sizeof (mn10300_elf_fpregset_t
))
463 return regset_alloc (gdbarch
,
464 am33_supply_fpregset_method
,
465 am33_collect_fpregset_method
);
467 return regset_alloc (gdbarch
,
468 am33_supply_gregset_method
,
469 am33_collect_gregset_method
);
473 am33_linux_sigframe_cache_init (const struct tramp_frame
*self
,
474 struct frame_info
*next_frame
,
475 struct trad_frame_cache
*this_cache
,
478 static const struct tramp_frame am33_linux_sigframe
= {
489 { TRAMP_SENTINEL_INSN
, -1 }
491 am33_linux_sigframe_cache_init
494 static const struct tramp_frame am33_linux_rt_sigframe
= {
505 { TRAMP_SENTINEL_INSN
, -1 }
507 am33_linux_sigframe_cache_init
510 /* Relevant struct definitions for signal handling...
512 From arch/mn10300/kernel/sigframe.h:
516 void (*pretcode)(void);
518 struct sigcontext sc;
519 struct fpucontext fpuctx;
520 unsigned long extramask[_NSIG_WORDS-1];
526 void (*pretcode)(void);
528 struct siginfo *pinfo;
532 struct fpucontext fpuctx;
536 From include/asm-mn10300/ucontext.h:
539 unsigned long uc_flags;
540 struct ucontext *uc_link;
542 struct sigcontext uc_mcontext;
546 From include/asm-mn10300/sigcontext.h:
549 unsigned long fs[32];
580 struct fpucontext *fpucontext;
581 unsigned long oldmask;
585 #define AM33_SIGCONTEXT_D0 0
586 #define AM33_SIGCONTEXT_D1 4
587 #define AM33_SIGCONTEXT_D2 8
588 #define AM33_SIGCONTEXT_D3 12
589 #define AM33_SIGCONTEXT_A0 16
590 #define AM33_SIGCONTEXT_A1 20
591 #define AM33_SIGCONTEXT_A2 24
592 #define AM33_SIGCONTEXT_A3 28
593 #define AM33_SIGCONTEXT_E0 32
594 #define AM33_SIGCONTEXT_E1 36
595 #define AM33_SIGCONTEXT_E2 40
596 #define AM33_SIGCONTEXT_E3 44
597 #define AM33_SIGCONTEXT_E4 48
598 #define AM33_SIGCONTEXT_E5 52
599 #define AM33_SIGCONTEXT_E6 56
600 #define AM33_SIGCONTEXT_E7 60
601 #define AM33_SIGCONTEXT_LAR 64
602 #define AM33_SIGCONTEXT_LIR 68
603 #define AM33_SIGCONTEXT_MDR 72
604 #define AM33_SIGCONTEXT_MCVF 76
605 #define AM33_SIGCONTEXT_MCRL 80
606 #define AM33_SIGCONTEXT_MCRH 84
607 #define AM33_SIGCONTEXT_MDRQ 88
608 #define AM33_SIGCONTEXT_SP 92
609 #define AM33_SIGCONTEXT_EPSW 96
610 #define AM33_SIGCONTEXT_PC 100
611 #define AM33_SIGCONTEXT_FPUCONTEXT 104
615 am33_linux_sigframe_cache_init (const struct tramp_frame
*self
,
616 struct frame_info
*next_frame
,
617 struct trad_frame_cache
*this_cache
,
620 CORE_ADDR sc_base
, fpubase
;
623 sc_base
= frame_unwind_register_unsigned (next_frame
, E_SP_REGNUM
);
624 if (self
== &am33_linux_sigframe
)
631 sc_base
= get_frame_memory_unsigned (next_frame
, sc_base
, 4);
635 trad_frame_set_reg_addr (this_cache
, E_D0_REGNUM
,
636 sc_base
+ AM33_SIGCONTEXT_D0
);
637 trad_frame_set_reg_addr (this_cache
, E_D1_REGNUM
,
638 sc_base
+ AM33_SIGCONTEXT_D1
);
639 trad_frame_set_reg_addr (this_cache
, E_D2_REGNUM
,
640 sc_base
+ AM33_SIGCONTEXT_D2
);
641 trad_frame_set_reg_addr (this_cache
, E_D3_REGNUM
,
642 sc_base
+ AM33_SIGCONTEXT_D3
);
644 trad_frame_set_reg_addr (this_cache
, E_A0_REGNUM
,
645 sc_base
+ AM33_SIGCONTEXT_A0
);
646 trad_frame_set_reg_addr (this_cache
, E_A1_REGNUM
,
647 sc_base
+ AM33_SIGCONTEXT_A1
);
648 trad_frame_set_reg_addr (this_cache
, E_A2_REGNUM
,
649 sc_base
+ AM33_SIGCONTEXT_A2
);
650 trad_frame_set_reg_addr (this_cache
, E_A3_REGNUM
,
651 sc_base
+ AM33_SIGCONTEXT_A3
);
653 trad_frame_set_reg_addr (this_cache
, E_E0_REGNUM
,
654 sc_base
+ AM33_SIGCONTEXT_E0
);
655 trad_frame_set_reg_addr (this_cache
, E_E1_REGNUM
,
656 sc_base
+ AM33_SIGCONTEXT_E1
);
657 trad_frame_set_reg_addr (this_cache
, E_E2_REGNUM
,
658 sc_base
+ AM33_SIGCONTEXT_E2
);
659 trad_frame_set_reg_addr (this_cache
, E_E3_REGNUM
,
660 sc_base
+ AM33_SIGCONTEXT_E3
);
661 trad_frame_set_reg_addr (this_cache
, E_E4_REGNUM
,
662 sc_base
+ AM33_SIGCONTEXT_E4
);
663 trad_frame_set_reg_addr (this_cache
, E_E5_REGNUM
,
664 sc_base
+ AM33_SIGCONTEXT_E5
);
665 trad_frame_set_reg_addr (this_cache
, E_E6_REGNUM
,
666 sc_base
+ AM33_SIGCONTEXT_E6
);
667 trad_frame_set_reg_addr (this_cache
, E_E7_REGNUM
,
668 sc_base
+ AM33_SIGCONTEXT_E7
);
670 trad_frame_set_reg_addr (this_cache
, E_LAR_REGNUM
,
671 sc_base
+ AM33_SIGCONTEXT_LAR
);
672 trad_frame_set_reg_addr (this_cache
, E_LIR_REGNUM
,
673 sc_base
+ AM33_SIGCONTEXT_LIR
);
674 trad_frame_set_reg_addr (this_cache
, E_MDR_REGNUM
,
675 sc_base
+ AM33_SIGCONTEXT_MDR
);
676 trad_frame_set_reg_addr (this_cache
, E_MCVF_REGNUM
,
677 sc_base
+ AM33_SIGCONTEXT_MCVF
);
678 trad_frame_set_reg_addr (this_cache
, E_MCRL_REGNUM
,
679 sc_base
+ AM33_SIGCONTEXT_MCRL
);
680 trad_frame_set_reg_addr (this_cache
, E_MDRQ_REGNUM
,
681 sc_base
+ AM33_SIGCONTEXT_MDRQ
);
683 trad_frame_set_reg_addr (this_cache
, E_SP_REGNUM
,
684 sc_base
+ AM33_SIGCONTEXT_SP
);
685 trad_frame_set_reg_addr (this_cache
, E_PSW_REGNUM
,
686 sc_base
+ AM33_SIGCONTEXT_EPSW
);
687 trad_frame_set_reg_addr (this_cache
, E_PC_REGNUM
,
688 sc_base
+ AM33_SIGCONTEXT_PC
);
690 fpubase
= get_frame_memory_unsigned (next_frame
,
691 sc_base
+ AM33_SIGCONTEXT_FPUCONTEXT
, 4);
694 for (i
= 0; i
< 32; i
++)
696 trad_frame_set_reg_addr (this_cache
, E_FS0_REGNUM
+ i
,
699 trad_frame_set_reg_addr (this_cache
, E_FPCR_REGNUM
, fpubase
+ 4 * 32);
702 trad_frame_set_id (this_cache
, frame_id_build (sc_base
, func
));
705 /* AM33 GNU/Linux osabi has been recognized.
706 Now's our chance to register our corefile handling. */
709 am33_linux_init_osabi (struct gdbarch_info gdbinfo
, struct gdbarch
*gdbarch
)
711 set_gdbarch_regset_from_core_section (gdbarch
,
712 am33_regset_from_core_section
);
713 set_solib_svr4_fetch_link_map_offsets
714 (gdbarch
, svr4_ilp32_fetch_link_map_offsets
);
716 tramp_frame_prepend_unwinder (gdbarch
, &am33_linux_sigframe
);
717 tramp_frame_prepend_unwinder (gdbarch
, &am33_linux_rt_sigframe
);
721 _initialize_mn10300_linux_tdep (void)
723 gdbarch_register_osabi (bfd_arch_mn10300
, 0,
724 GDB_OSABI_LINUX
, am33_linux_init_osabi
);