source: trunk/binutils/bfd/rs6000-core.c

Last change on this file was 610, checked in by bird, 22 years ago

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1/* IBM RS/6000 "XCOFF" back-end for BFD.
2 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000,
3 2001, 2002
4 Free Software Foundation, Inc.
5 FIXME: Can someone provide a transliteration of this name into ASCII?
6 Using the following chars caused a compiler warning on HIUX (so I replaced
7 them with octal escapes), and isn't useful without an understanding of what
8 character set it is.
9 Written by Metin G. Ozisik, Mimi Ph\373\364ng-Th\345o V\365,
10 and John Gilmore.
11 Archive support from Damon A. Permezel.
12 Contributed by IBM Corporation and Cygnus Support.
13
14 This file is part of BFD, the Binary File Descriptor library.
15
16 This program is free software; you can redistribute it and/or modify
17 it under the terms of the GNU General Public License as published by
18 the Free Software Foundation; either version 2 of the License, or
19 (at your option) any later version.
20
21 This program is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
25
26 You should have received a copy of the GNU General Public License
27 along with this program; if not, write to the Free Software
28 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
29
30/* This port currently only handles reading object files, except when
31 compiled on an RS/6000 host. -- no archive support, no core files.
32 In all cases, it does not support writing.
33
34 This is in a separate file from coff-rs6000.c, because it includes
35 system include files that conflict with coff/rs6000.h. */
36
37/* Internalcoff.h and coffcode.h modify themselves based on this flag. */
38#define RS6000COFF_C 1
39
40/* The AIX 4.1 kernel is obviously compiled with -D_LONG_LONG, so
41 we have to define _LONG_LONG for older versions of gcc to get the
42 proper alignments in the user structure. */
43#if defined(_AIX41) && !defined(_LONG_LONG)
44#define _LONG_LONG
45#endif
46
47#include "bfd.h"
48#include "sysdep.h"
49#include "libbfd.h"
50
51#ifdef AIX_CORE
52
53/* AOUTHDR is defined by the above. We need another defn of it, from the
54 system include files. Punt the old one and get us a new name for the
55 typedef in the system include files. */
56#ifdef AOUTHDR
57#undef AOUTHDR
58#endif
59#define AOUTHDR second_AOUTHDR
60
61#undef SCNHDR
62
63/* ------------------------------------------------------------------------ */
64/* Support for core file stuff.. */
65/* ------------------------------------------------------------------------ */
66
67#include <sys/user.h>
68#define __LDINFO_PTRACE32__ /* for __ld_info32 */
69#define __LDINFO_PTRACE64__ /* for __ld_info64 */
70#include <sys/ldr.h>
71#include <sys/core.h>
72#include <sys/systemcfg.h>
73
74#define core_hdr(bfd) ((CoreHdr *) bfd->tdata.any)
75
76/* AIX 4.1 changed the names and locations of a few items in the core file.
77 AIX 4.3 defined an entirely new structure, core_dumpx, but kept support for
78 the previous 4.1 structure, core_dump.
79
80 AIX_CORE_DUMPX_CORE is defined (by configure) on AIX 4.3+, and
81 CORE_VERSION_1 is defined (by AIX core.h) as 2 on AIX 4.3+ and as 1 on AIX
82 4.1 and 4.2. AIX pre-4.1 (aka 3.x) either doesn't define CORE_VERSION_1
83 or else defines it as 0. */
84
85#if defined(CORE_VERSION_1) && !CORE_VERSION_1
86# undef CORE_VERSION_1
87#endif
88
89/* The following union and macros allow this module to compile on all AIX
90 versions and to handle both core_dumpx and core_dump on 4.3+. CNEW_*()
91 and COLD_*() macros respectively retrieve core_dumpx and core_dump
92 values. */
93
94/* Union of 32-bit and 64-bit versions of ld_info. */
95
96typedef union {
97#ifdef __ld_info32
98 struct __ld_info32 l32;
99 struct __ld_info64 l64;
100#else
101 struct ld_info l32;
102 struct ld_info l64;
103#endif
104} LdInfo;
105
106/* Union of old and new core dump structures. */
107
108typedef union {
109#ifdef AIX_CORE_DUMPX_CORE
110 struct core_dumpx new; /* new AIX 4.3+ core dump */
111#else
112 struct core_dump new; /* for simpler coding */
113#endif
114 struct core_dump old; /* old AIX 4.2- core dump, still used on
115 4.3+ with appropriate SMIT config */
116} CoreHdr;
117
118/* Union of old and new vm_info structures. */
119
120#ifdef CORE_VERSION_1
121typedef union {
122#ifdef AIX_CORE_DUMPX_CORE
123 struct vm_infox new;
124#else
125 struct vm_info new;
126#endif
127 struct vm_info old;
128} VmInfo;
129#endif
130
131/* Return whether CoreHdr C is in new or old format. */
132
133#ifdef AIX_CORE_DUMPX_CORE
134# define CORE_NEW(c) (!(c).old.c_entries)
135#else
136# define CORE_NEW(c) 0
137#endif
138
139/* Return the c_stackorg field from struct core_dumpx C. */
140
141#ifdef AIX_CORE_DUMPX_CORE
142# define CNEW_STACKORG(c) (c).c_stackorg
143#else
144# define CNEW_STACKORG(c) 0
145#endif
146
147/* Return the offset to the loader region from struct core_dump C. */
148
149#ifdef AIX_CORE_DUMPX_CORE
150# define CNEW_LOADER(c) (c).c_loader
151#else
152# define CNEW_LOADER(c) 0
153#endif
154
155/* Return the offset to the loader region from struct core_dump C. */
156
157#define COLD_LOADER(c) (c).c_tab
158
159/* Return the c_lsize field from struct core_dumpx C. */
160
161#ifdef AIX_CORE_DUMPX_CORE
162# define CNEW_LSIZE(c) (c).c_lsize
163#else
164# define CNEW_LSIZE(c) 0
165#endif
166
167/* Return the c_dataorg field from struct core_dumpx C. */
168
169#ifdef AIX_CORE_DUMPX_CORE
170# define CNEW_DATAORG(c) (c).c_dataorg
171#else
172# define CNEW_DATAORG(c) 0
173#endif
174
175/* Return the c_datasize field from struct core_dumpx C. */
176
177#ifdef AIX_CORE_DUMPX_CORE
178# define CNEW_DATASIZE(c) (c).c_datasize
179#else
180# define CNEW_DATASIZE(c) 0
181#endif
182
183/* Return the c_impl field from struct core_dumpx C. */
184
185#if defined (HAVE_ST_C_IMPL) || defined (AIX_5_CORE)
186# define CNEW_IMPL(c) (c).c_impl
187#else
188# define CNEW_IMPL(c) 0
189#endif
190
191/* Return the command string from struct core_dumpx C. */
192
193#ifdef AIX_CORE_DUMPX_CORE
194# define CNEW_COMM(c) (c).c_u.U_proc.pi_comm
195#else
196# define CNEW_COMM(c) 0
197#endif
198
199/* Return the command string from struct core_dump C. */
200
201#ifdef CORE_VERSION_1
202# define COLD_COMM(c) (c).c_u.U_comm
203#else
204# define COLD_COMM(c) (c).c_u.u_comm
205#endif
206
207/* Return the struct __context64 pointer from struct core_dumpx C. */
208
209#ifdef AIX_CORE_DUMPX_CORE
210# define CNEW_CONTEXT64(c) (c).c_flt.hctx.r64
211#else
212# define CNEW_CONTEXT64(c) c
213#endif
214
215/* Return the struct mstsave pointer from struct core_dumpx C. */
216
217#ifdef AIX_CORE_DUMPX_CORE
218# define CNEW_MSTSAVE(c) (c).c_flt.hctx.r32
219#else
220# define CNEW_MSTSAVE(c) c
221#endif
222
223/* Return the struct mstsave pointer from struct core_dump C. */
224
225#ifdef CORE_VERSION_1
226# define COLD_MSTSAVE(c) (c).c_mst
227#else
228# define COLD_MSTSAVE(c) (c).c_u.u_save
229#endif
230
231/* Return whether struct core_dumpx is from a 64-bit process. */
232
233#ifdef AIX_CORE_DUMPX_CORE
234# define CNEW_PROC64(c) IS_PROC64(&(c).c_u.U_proc)
235#else
236# define CNEW_PROC64(c) 0
237#endif
238
239/* Magic end-of-stack addresses for old core dumps. This is _very_ fragile,
240 but I don't see any easy way to get that info right now. */
241
242#ifdef CORE_VERSION_1
243# define COLD_STACKEND 0x2ff23000
244#else
245# define COLD_STACKEND 0x2ff80000
246#endif
247
248/* Size of the leading portion that old and new core dump structures have in
249 common. */
250#define CORE_COMMONSZ ((int) &((struct core_dump *) 0)->c_entries \
251 + sizeof (((struct core_dump *) 0)->c_entries))
252
253/* Try to read into CORE the header from the core file associated with ABFD.
254 Return success. */
255
256static bfd_boolean
257read_hdr (bfd *abfd, CoreHdr *core)
258{
259 bfd_size_type size;
260
261 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
262 return FALSE;
263
264 /* Read the leading portion that old and new core dump structures have in
265 common. */
266 size = CORE_COMMONSZ;
267 if (bfd_bread (core, size, abfd) != size)
268 return FALSE;
269
270 /* Read the trailing portion of the structure. */
271 if (CORE_NEW (*core))
272 size = sizeof (core->new);
273 else
274 size = sizeof (core->old);
275 size -= CORE_COMMONSZ;
276 return bfd_bread ((char *) core + CORE_COMMONSZ, size, abfd) == size;
277}
278
279static asection *
280make_bfd_asection (abfd, name, flags, _raw_size, vma, filepos)
281 bfd *abfd;
282 const char *name;
283 flagword flags;
284 bfd_size_type _raw_size;
285 bfd_vma vma;
286 file_ptr filepos;
287{
288 asection *asect;
289
290 asect = bfd_make_section_anyway (abfd, name);
291 if (!asect)
292 return NULL;
293
294 asect->flags = flags;
295 asect->_raw_size = _raw_size;
296 asect->vma = vma;
297 asect->filepos = filepos;
298 asect->alignment_power = 8;
299
300 return asect;
301}
302
303/* Decide if a given bfd represents a `core' file or not. There really is no
304 magic number or anything like, in rs6000coff. */
305
306const bfd_target *
307rs6000coff_core_p (abfd)
308 bfd *abfd;
309{
310 CoreHdr core;
311 struct stat statbuf;
312 bfd_size_type size;
313 char *tmpptr;
314
315 /* Values from new and old core structures. */
316 int c_flag;
317 file_ptr c_stack, c_regoff, c_loader;
318 bfd_size_type c_size, c_regsize, c_lsize;
319 bfd_vma c_stackend;
320 void *c_regptr;
321 int proc64;
322
323 if (!read_hdr (abfd, &core))
324 {
325 if (bfd_get_error () != bfd_error_system_call)
326 bfd_set_error (bfd_error_wrong_format);
327 return NULL;
328 }
329
330 /* Copy fields from new or old core structure. */
331 if (CORE_NEW (core))
332 {
333 c_flag = core.new.c_flag;
334 c_stack = (file_ptr) core.new.c_stack;
335 c_size = core.new.c_size;
336 c_stackend = CNEW_STACKORG (core.new) + c_size;
337 c_lsize = CNEW_LSIZE (core.new);
338 c_loader = CNEW_LOADER (core.new);
339 proc64 = CNEW_PROC64 (core.new);
340 }
341 else
342 {
343 c_flag = core.old.c_flag;
344 c_stack = (file_ptr) core.old.c_stack;
345 c_size = core.old.c_size;
346 c_stackend = COLD_STACKEND;
347 c_lsize = 0x7ffffff;
348 c_loader = (file_ptr) COLD_LOADER (core.old);
349 proc64 = 0;
350 }
351
352 if (proc64)
353 {
354 c_regsize = sizeof (CNEW_CONTEXT64 (core.new));
355 c_regptr = &CNEW_CONTEXT64 (core.new);
356 }
357 else if (CORE_NEW (core))
358 {
359 c_regsize = sizeof (CNEW_MSTSAVE (core.new));
360 c_regptr = &CNEW_MSTSAVE (core.new);
361 }
362 else
363 {
364 c_regsize = sizeof (COLD_MSTSAVE (core.old));
365 c_regptr = &COLD_MSTSAVE (core.old);
366 }
367 c_regoff = (char *) c_regptr - (char *) &core;
368
369 if (bfd_stat (abfd, &statbuf) < 0)
370 {
371 bfd_set_error (bfd_error_system_call);
372 return NULL;
373 }
374
375 /* If the core file ulimit is too small, the system will first
376 omit the data segment, then omit the stack, then decline to
377 dump core altogether (as far as I know UBLOCK_VALID and LE_VALID
378 are always set) (this is based on experimentation on AIX 3.2).
379 Now, the thing is that GDB users will be surprised
380 if segments just silently don't appear (well, maybe they would
381 think to check "info files", I don't know).
382
383 For the data segment, we have no choice but to keep going if it's
384 not there, since the default behavior is not to dump it (regardless
385 of the ulimit, it's based on SA_FULLDUMP). But for the stack segment,
386 if it's not there, we refuse to have anything to do with this core
387 file. The usefulness of a core dump without a stack segment is pretty
388 limited anyway. */
389
390 if (!(c_flag & UBLOCK_VALID)
391 || !(c_flag & LE_VALID))
392 {
393 bfd_set_error (bfd_error_wrong_format);
394 return NULL;
395 }
396
397 if (!(c_flag & USTACK_VALID))
398 {
399 bfd_set_error (bfd_error_file_truncated);
400 return NULL;
401 }
402
403 /* Don't check the core file size for a full core, AIX 4.1 includes
404 additional shared library sections in a full core. */
405 if (!(c_flag & (FULL_CORE | CORE_TRUNC)))
406 {
407 /* If the size is wrong, it means we're misinterpreting something. */
408 if (c_stack + (file_ptr) c_size != statbuf.st_size)
409 {
410 bfd_set_error (bfd_error_wrong_format);
411 return NULL;
412 }
413 }
414
415 /* Sanity check on the c_tab field. */
416 if (!CORE_NEW (core) && (c_loader < (file_ptr) sizeof core.old ||
417 c_loader >= statbuf.st_size ||
418 c_loader >= c_stack))
419 {
420 bfd_set_error (bfd_error_wrong_format);
421 return NULL;
422 }
423
424 /* Issue warning if the core file was truncated during writing. */
425 if (c_flag & CORE_TRUNC)
426 (*_bfd_error_handler) (_("%s: warning core file truncated"),
427 bfd_get_filename (abfd));
428
429 /* Allocate core file header. */
430 size = CORE_NEW (core) ? sizeof (core.new) : sizeof (core.old);
431 tmpptr = (char *) bfd_zalloc (abfd, (bfd_size_type) size);
432 if (!tmpptr)
433 return NULL;
434
435 /* Copy core file header. */
436 memcpy (tmpptr, &core, size);
437 set_tdata (abfd, tmpptr);
438
439 /* Set architecture. */
440 if (CORE_NEW (core))
441 {
442 enum bfd_architecture arch;
443 unsigned long mach;
444
445 switch (CNEW_IMPL (core.new))
446 {
447 case POWER_RS1:
448 case POWER_RSC:
449 case POWER_RS2:
450 arch = bfd_arch_rs6000;
451 mach = bfd_mach_rs6k;
452 break;
453 default:
454 arch = bfd_arch_powerpc;
455 mach = bfd_mach_ppc;
456 break;
457 }
458 bfd_default_set_arch_mach (abfd, arch, mach);
459 }
460
461 /* .stack section. */
462 if (!make_bfd_asection (abfd, ".stack",
463 SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
464 c_size, c_stackend - c_size, c_stack))
465 goto fail;
466
467 /* .reg section for all registers. */
468 if (!make_bfd_asection (abfd, ".reg",
469 SEC_HAS_CONTENTS,
470 c_regsize, (bfd_vma) 0, c_regoff))
471 goto fail;
472
473 /* .ldinfo section.
474 To actually find out how long this section is in this particular
475 core dump would require going down the whole list of struct ld_info's.
476 See if we can just fake it. */
477 if (!make_bfd_asection (abfd, ".ldinfo",
478 SEC_HAS_CONTENTS,
479 c_lsize, (bfd_vma) 0, c_loader))
480 goto fail;
481
482#ifndef CORE_VERSION_1
483 /* .data section if present.
484 AIX 3 dumps the complete data section and sets FULL_CORE if the
485 ulimit is large enough, otherwise the data section is omitted.
486 AIX 4 sets FULL_CORE even if the core file is truncated, we have
487 to examine core.c_datasize below to find out the actual size of
488 the .data section. */
489 if (c_flag & FULL_CORE)
490 {
491 if (!make_bfd_asection (abfd, ".data",
492 SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
493 (bfd_size_type) core.old.c_u.u_dsize,
494 (bfd_vma)
495 CDATA_ADDR (core.old.c_u.u_dsize),
496 c_stack + c_size))
497 goto fail;
498 }
499#endif
500
501#ifdef CORE_VERSION_1
502 /* AIX 4 adds data sections from loaded objects to the core file,
503 which can be found by examining ldinfo, and anonymously mmapped
504 regions. */
505 {
506 LdInfo ldinfo;
507 bfd_size_type ldi_datasize;
508 file_ptr ldi_core;
509 uint ldi_next;
510 bfd_vma ldi_dataorg;
511
512 /* Fields from new and old core structures. */
513 bfd_size_type c_datasize, c_vmregions;
514 file_ptr c_data, c_vmm;
515
516 if (CORE_NEW (core))
517 {
518 c_datasize = CNEW_DATASIZE (core.new);
519 c_data = (file_ptr) core.new.c_data;
520 c_vmregions = core.new.c_vmregions;
521 c_vmm = (file_ptr) core.new.c_vmm;
522 }
523 else
524 {
525 c_datasize = core.old.c_datasize;
526 c_data = (file_ptr) core.old.c_data;
527 c_vmregions = core.old.c_vmregions;
528 c_vmm = (file_ptr) core.old.c_vmm;
529 }
530
531 /* .data section from executable. */
532 if (c_datasize)
533 {
534 if (!make_bfd_asection (abfd, ".data",
535 SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
536 c_datasize,
537 (bfd_vma) CDATA_ADDR (c_datasize),
538 c_data))
539 goto fail;
540 }
541
542 /* .data sections from loaded objects. */
543 if (proc64)
544 size = (int) ((LdInfo *) 0)->l64.ldinfo_filename;
545 else
546 size = (int) ((LdInfo *) 0)->l32.ldinfo_filename;
547
548 while (1)
549 {
550 if (bfd_seek (abfd, c_loader, SEEK_SET) != 0)
551 goto fail;
552 if (bfd_bread (&ldinfo, size, abfd) != size)
553 goto fail;
554
555 if (proc64)
556 {
557 ldi_core = ldinfo.l64.ldinfo_core;
558 ldi_datasize = ldinfo.l64.ldinfo_datasize;
559 ldi_dataorg = (bfd_vma) ldinfo.l64.ldinfo_dataorg;
560 ldi_next = ldinfo.l64.ldinfo_next;
561 }
562 else
563 {
564 ldi_core = ldinfo.l32.ldinfo_core;
565 ldi_datasize = ldinfo.l32.ldinfo_datasize;
566 ldi_dataorg = (bfd_vma) (long) ldinfo.l32.ldinfo_dataorg;
567 ldi_next = ldinfo.l32.ldinfo_next;
568 }
569
570 if (ldi_core)
571 if (!make_bfd_asection (abfd, ".data",
572 SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
573 ldi_datasize, ldi_dataorg, ldi_core))
574 goto fail;
575
576 if (ldi_next == 0)
577 break;
578 c_loader += ldi_next;
579 }
580
581 /* .vmdata sections from anonymously mmapped regions. */
582 if (c_vmregions)
583 {
584 bfd_size_type i;
585
586 if (bfd_seek (abfd, c_vmm, SEEK_SET) != 0)
587 goto fail;
588
589 for (i = 0; i < c_vmregions; i++)
590 {
591 VmInfo vminfo;
592 bfd_size_type vminfo_size;
593 file_ptr vminfo_offset;
594 bfd_vma vminfo_addr;
595
596 size = CORE_NEW (core) ? sizeof (vminfo.new) : sizeof (vminfo.old);
597 if (bfd_bread (&vminfo, size, abfd) != size)
598 goto fail;
599
600 if (CORE_NEW (core))
601 {
602 vminfo_addr = (bfd_vma) vminfo.new.vminfo_addr;
603 vminfo_size = vminfo.new.vminfo_size;
604 vminfo_offset = vminfo.new.vminfo_offset;
605 }
606 else
607 {
608 vminfo_addr = (bfd_vma) (long) vminfo.old.vminfo_addr;
609 vminfo_size = vminfo.old.vminfo_size;
610 vminfo_offset = vminfo.old.vminfo_offset;
611 }
612
613 if (vminfo_offset)
614 if (!make_bfd_asection (abfd, ".vmdata",
615 SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
616 vminfo_size, vminfo_addr,
617 vminfo_offset))
618 goto fail;
619 }
620 }
621 }
622#endif
623
624 return abfd->xvec; /* This is garbage for now. */
625
626 fail:
627 bfd_release (abfd, abfd->tdata.any);
628 abfd->tdata.any = NULL;
629 bfd_section_list_clear (abfd);
630 return NULL;
631}
632
633/* Return `TRUE' if given core is from the given executable. */
634
635bfd_boolean
636rs6000coff_core_file_matches_executable_p (core_bfd, exec_bfd)
637 bfd *core_bfd;
638 bfd *exec_bfd;
639{
640 CoreHdr core;
641 bfd_size_type size;
642 char *path, *s;
643 size_t alloc;
644 const char *str1, *str2;
645 bfd_boolean ret;
646 file_ptr c_loader;
647
648 if (!read_hdr (core_bfd, &core))
649 return FALSE;
650
651 if (CORE_NEW (core))
652 c_loader = CNEW_LOADER (core.new);
653 else
654 c_loader = (file_ptr) COLD_LOADER (core.old);
655
656 if (CORE_NEW (core) && CNEW_PROC64 (core.new))
657 size = (int) ((LdInfo *) 0)->l64.ldinfo_filename;
658 else
659 size = (int) ((LdInfo *) 0)->l32.ldinfo_filename;
660
661 if (bfd_seek (core_bfd, c_loader + size, SEEK_SET) != 0)
662 return FALSE;
663
664 alloc = 100;
665 path = bfd_malloc ((bfd_size_type) alloc);
666 if (path == NULL)
667 return FALSE;
668 s = path;
669
670 while (1)
671 {
672 if (bfd_bread (s, (bfd_size_type) 1, core_bfd) != 1)
673 {
674 free (path);
675 return FALSE;
676 }
677 if (*s == '\0')
678 break;
679 ++s;
680 if (s == path + alloc)
681 {
682 char *n;
683
684 alloc *= 2;
685 n = bfd_realloc (path, (bfd_size_type) alloc);
686 if (n == NULL)
687 {
688 free (path);
689 return FALSE;
690 }
691 s = n + (path - s);
692 path = n;
693 }
694 }
695
696 str1 = strrchr (path, '/');
697 str2 = strrchr (exec_bfd->filename, '/');
698
699 /* step over character '/' */
700 str1 = str1 != NULL ? str1 + 1 : path;
701 str2 = str2 != NULL ? str2 + 1 : exec_bfd->filename;
702
703 if (strcmp (str1, str2) == 0)
704 ret = TRUE;
705 else
706 ret = FALSE;
707
708 free (path);
709
710 return ret;
711}
712
713char *
714rs6000coff_core_file_failing_command (abfd)
715 bfd *abfd;
716{
717 CoreHdr *core = core_hdr (abfd);
718 char *com = CORE_NEW (*core) ?
719 CNEW_COMM (core->new) : COLD_COMM (core->old);
720
721 if (*com)
722 return com;
723 else
724 return 0;
725}
726
727int
728rs6000coff_core_file_failing_signal (abfd)
729 bfd *abfd;
730{
731 CoreHdr *core = core_hdr (abfd);
732 return CORE_NEW (*core) ? core->new.c_signo : core->old.c_signo;
733}
734
735#endif /* AIX_CORE */
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