1 /* Target-dependent code for the Matsushita MN10300 for GDB, the GNU debugger.
3 Copyright (C) 2003-2024 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 const frame_info_ptr
&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 const frame_info_ptr
&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
, 0);
709 set_gdbarch_iterate_over_regset_sections
710 (gdbarch
, am33_iterate_over_regset_sections
);
711 set_solib_svr4_fetch_link_map_offsets
712 (gdbarch
, linux_ilp32_fetch_link_map_offsets
);
714 tramp_frame_prepend_unwinder (gdbarch
, &am33_linux_sigframe
);
715 tramp_frame_prepend_unwinder (gdbarch
, &am33_linux_rt_sigframe
);
718 void _initialize_mn10300_linux_tdep ();
720 _initialize_mn10300_linux_tdep ()
722 gdbarch_register_osabi (bfd_arch_mn10300
, 0,
723 GDB_OSABI_LINUX
, am33_linux_init_osabi
);