/* IBM RS/6000 "XCOFF" back-end for BFD.
- Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 1998, 2000
- Free Software Foundation, Inc.
- FIXME: Can someone provide a transliteration of this name into ASCII?
- Using the following chars caused a compiler warning on HIUX (so I replaced
- them with octal escapes), and isn't useful without an understanding of what
- character set it is.
- Written by Metin G. Ozisik, Mimi Ph\373\364ng-Th\345o V\365,
- and John Gilmore.
+ Copyright (C) 1990-2020 Free Software Foundation, Inc.
+ Written by Metin G. Ozisik, Mimi Phuong-Thao Vo, and John Gilmore.
Archive support from Damon A. Permezel.
Contributed by IBM Corporation and Cygnus Support.
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* This port currently only handles reading object files, except when
compiled on an RS/6000 host. -- no archive support, no core files.
In all cases, it does not support writing.
- FIXMEmgo comments are left from Metin Ozisik's original port.
-
This is in a separate file from coff-rs6000.c, because it includes
- system include files that conflict with coff/rs6000.h.
- */
+ system include files that conflict with coff/rs6000.h. */
/* Internalcoff.h and coffcode.h modify themselves based on this flag. */
#define RS6000COFF_C 1
#define _LONG_LONG
#endif
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#ifdef AIX_CORE
#undef SCNHDR
-
-/* ------------------------------------------------------------------------ */
-/* Support for core file stuff.. */
-/* ------------------------------------------------------------------------ */
+/* Support for core file stuff. */
#include <sys/user.h>
+#define __LDINFO_PTRACE32__ /* for __ld_info32 */
+#define __LDINFO_PTRACE64__ /* for __ld_info64 */
#include <sys/ldr.h>
#include <sys/core.h>
+#include <sys/systemcfg.h>
+
+/* Borrowed from <sys/inttypes.h> on recent AIX versions. */
+typedef unsigned long ptr_to_uint;
+
+#define core_hdr(bfd) ((CoreHdr *) bfd->tdata.any)
+/* AIX 4.1 changed the names and locations of a few items in the core file.
+ AIX 4.3 defined an entirely new structure, core_dumpx, but kept support for
+ the previous 4.1 structure, core_dump.
-/* Number of special purpose registers supported by gdb. This value
- should match `tm.h' in gdb directory. Clean this mess up and use
- the macros in sys/reg.h. FIXMEmgo. */
+ AIX_CORE_DUMPX_CORE is defined (by configure) on AIX 4.3+, and
+ CORE_VERSION_1 is defined (by AIX core.h) as 2 on AIX 4.3+ and as 1 on AIX
+ 4.1 and 4.2. AIX pre-4.1 (aka 3.x) either doesn't define CORE_VERSION_1
+ or else defines it as 0. */
-#define NUM_OF_SPEC_REGS 7
+#if defined(CORE_VERSION_1) && !CORE_VERSION_1
+# undef CORE_VERSION_1
+#endif
-#define core_hdr(bfd) (((Rs6kCorData*)(bfd->tdata.any))->hdr)
+/* The following union and macros allow this module to compile on all AIX
+ versions and to handle both core_dumpx and core_dump on 4.3+. CNEW_*()
+ and COLD_*() macros respectively retrieve core_dumpx and core_dump
+ values. */
-/* AIX 4.1 Changed the names and locations of a few items in the core file,
- this seems to be the quickest/easiest way to deal with it.
+/* Union of 32-bit and 64-bit versions of ld_info. */
- Note however that encoding magic addresses (STACK_END_ADDR) is going
- to be _very_ fragile. But I don't see any easy way to get that info
- right now.
-
- AIX 4.3 defines an entirely new structure (core_dumpx). Yet the
- basic logic stays the same and we can still use our macro
- redefinition mechanism to effect the necessary changes. */
+typedef union
+{
+#if defined (__ld_info32) || defined (__ld_info64)
+ struct __ld_info32 l32;
+ struct __ld_info64 l64;
+#else
+ struct ld_info l32;
+ struct ld_info l64;
+#endif
+} LdInfo;
+/* Union of old and new core dump structures. */
+
+typedef union
+{
#ifdef AIX_CORE_DUMPX_CORE
-#define CORE_DATA_SIZE_FIELD c_dataorg
-#define CORE_COMM_FIELD c_u.U_proc.pi_comm
-#define SAVE_FIELD c_flt.hctx.r32
-#define STACK_END_ADDR coredata.c_stackorg + coredata.c_size
-#define LOADER_OFFSET_FIELD c_loader
-#define LOADER_REGION_SIZE coredata.c_lsize
-#define CORE_DUMP core_dumpx
+ struct core_dumpx new_dump; /* New AIX 4.3+ core dump. */
#else
+ struct core_dump new_dump; /* For simpler coding. */
+#endif
+#ifndef BFD64 /* Use old only if gdb is 32-bit. */
+ struct core_dump old; /* Old AIX 4.2- core dump, still used on
+ 4.3+ with appropriate SMIT config. */
+#endif
+} CoreHdr;
+
+/* Union of old and new vm_info structures. */
+
#ifdef CORE_VERSION_1
-#define CORE_DATA_SIZE_FIELD c_u.U_dsize
-#define CORE_COMM_FIELD c_u.U_comm
-#define SAVE_FIELD c_mst
-#define STACK_END_ADDR 0x2ff23000
-#define LOADER_OFFSET_FIELD c_tab
-#define LOADER_REGION_SIZE 0x7ffffff
-#define CORE_DUMP core_dump
+typedef union
+{
+#ifdef AIX_CORE_DUMPX_CORE
+ struct vm_infox new_dump;
#else
-#define CORE_DATA_SIZE_FIELD c_u.u_dsize
-#define CORE_COMM_FIELD c_u.u_comm
-#define SAVE_FIELD c_u.u_save
-#define STACK_END_ADDR 0x2ff80000
-#define LOADER_OFFSET_FIELD c_tab
-#define LOADER_REGION_SIZE 0x7ffffff
-#define CORE_DUMP core_dump
+ struct vm_info new_dump;
+#endif
+#ifndef BFD64
+ struct vm_info old;
#endif
+} VmInfo;
#endif
-/* These are stored in the bfd's tdata */
-typedef struct {
- struct CORE_DUMP hdr; /* core file header */
-} Rs6kCorData;
+/* Return whether CoreHdr C is in new or old format. */
+
+#ifdef AIX_CORE_DUMPX_CORE
+# ifndef BFD64
+# define CORE_NEW(c) (!(c).old.c_entries)
+# else
+# define CORE_NEW(c) 1
+# endif
+#else
+# define CORE_NEW(c) 0
+#endif
+
+/* Return whether CoreHdr C usese core_dumpxx structure.
+
+ FIXME: the core file format version number used here definitely indicates
+ that struct core_dumpxx should be used to represent the core file header,
+ but that may not be the only such format version number. */
+
+#ifdef AIX_5_CORE
+# define CORE_DUMPXX_VERSION 267312562
+# define CNEW_IS_CORE_DUMPXX(c) ((c).new_dump.c_version == CORE_DUMPXX_VERSION)
+#else
+# define CNEW_IS_CORE_DUMPXX(c) 0
+#endif
+
+/* Return the c_stackorg field from struct core_dumpx C. */
+
+#ifdef AIX_CORE_DUMPX_CORE
+# define CNEW_STACKORG(c) (c).c_stackorg
+#else
+# define CNEW_STACKORG(c) 0
+#endif
+
+/* Return the offset to the loader region from struct core_dump C. */
+
+#ifdef AIX_CORE_DUMPX_CORE
+# define CNEW_LOADER(c) (c).c_loader
+#else
+# define CNEW_LOADER(c) 0
+#endif
+
+/* Return the offset to the loader region from struct core_dump C. */
+
+#define COLD_LOADER(c) (c).c_tab
+
+/* Return the c_lsize field from struct core_dumpx C. */
+
+#ifdef AIX_CORE_DUMPX_CORE
+# define CNEW_LSIZE(c) (c).c_lsize
+#else
+# define CNEW_LSIZE(c) 0
+#endif
+
+/* Return the c_dataorg field from struct core_dumpx C. */
+
+#ifdef AIX_CORE_DUMPX_CORE
+# define CNEW_DATAORG(c) (c).c_dataorg
+#else
+# define CNEW_DATAORG(c) 0
+#endif
+
+/* Return the c_datasize field from struct core_dumpx C. */
+
+#ifdef AIX_CORE_DUMPX_CORE
+# define CNEW_DATASIZE(c) (c).c_datasize
+#else
+# define CNEW_DATASIZE(c) 0
+#endif
+
+/* Return the c_impl field from struct core_dumpx C. */
+
+#if defined (HAVE_ST_C_IMPL) || defined (AIX_5_CORE)
+# define CNEW_IMPL(c) (c).c_impl
+#else
+# define CNEW_IMPL(c) 0
+#endif
+
+/* Return the command string from struct core_dumpx C. */
+
+#ifdef AIX_CORE_DUMPX_CORE
+# define CNEW_COMM(c) (c).c_u.U_proc.pi_comm
+#else
+# define CNEW_COMM(c) 0
+#endif
+
+/* Return the command string from struct core_dump C. */
+
+#ifdef CORE_VERSION_1
+# define COLD_COMM(c) (c).c_u.U_comm
+#else
+# define COLD_COMM(c) (c).c_u.u_comm
+#endif
+
+/* Return the struct __context64 pointer from struct core_dumpx C. */
+
+#ifdef AIX_CORE_DUMPX_CORE
+# define CNEW_CONTEXT64(c) (c).c_flt.hctx.r64
+#else
+# define CNEW_CONTEXT64(c) c
+#endif
+
+/* Return the struct mstsave pointer from struct core_dumpx C. */
+
+#ifdef AIX_CORE_DUMPX_CORE
+# define CNEW_MSTSAVE(c) (c).c_flt.hctx.r32
+#else
+# define CNEW_MSTSAVE(c) c
+#endif
+
+/* Return the struct mstsave pointer from struct core_dump C. */
+
+#ifdef CORE_VERSION_1
+# define COLD_MSTSAVE(c) (c).c_mst
+#else
+# define COLD_MSTSAVE(c) (c).c_u.u_save
+#endif
+
+/* Return whether struct core_dumpx is from a 64-bit process. */
+
+#ifdef AIX_CORE_DUMPX_CORE
+# define CNEW_PROC64(c) IS_PROC64(&(c).c_u.U_proc)
+#else
+# define CNEW_PROC64(c) 0
+#endif
+
+/* Magic end-of-stack addresses for old core dumps. This is _very_ fragile,
+ but I don't see any easy way to get that info right now. */
+
+#ifdef CORE_VERSION_1
+# define COLD_STACKEND 0x2ff23000
+#else
+# define COLD_STACKEND 0x2ff80000
+#endif
+
+/* Size of the leading portion that old and new core dump structures have in
+ common. */
+#ifdef AIX_CORE_DUMPX_CORE
+#define CORE_COMMONSZ ((long) &((struct core_dumpx *) 0)->c_entries \
+ + sizeof (((struct core_dumpx *) 0)->c_entries))
+#else
+#define CORE_COMMONSZ ((int) &((struct core_dump *) 0)->c_entries \
+ + sizeof (((struct core_dump *) 0)->c_entries))
+#endif
+/* Define prototypes for certain functions, to avoid a compiler warning
+ saying that they are missing. */
+
+const bfd_cleanup rs6000coff_core_p (bfd *abfd);
+bfd_boolean rs6000coff_core_file_matches_executable_p (bfd *core_bfd,
+ bfd *exec_bfd);
+char * rs6000coff_core_file_failing_command (bfd *abfd);
+int rs6000coff_core_file_failing_signal (bfd *abfd);
+
+/* Try to read into CORE the header from the core file associated with ABFD.
+ Return success. */
+
+static bfd_boolean
+read_hdr (bfd *abfd, CoreHdr *core)
+{
+ bfd_size_type size;
+
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
+ return FALSE;
-static asection *make_bfd_asection PARAMS ((bfd *, CONST char *, flagword,
- bfd_size_type, bfd_vma, file_ptr));
+ /* Read the leading portion that old and new core dump structures have in
+ common. */
+ size = CORE_COMMONSZ;
+ if (bfd_bread (core, size, abfd) != size)
+ return FALSE;
+
+ /* Read the trailing portion of the structure. */
+ if (CORE_NEW (*core))
+ size = sizeof (core->new_dump);
+#ifndef BFD64
+ else
+ size = sizeof (core->old);
+#endif
+ size -= CORE_COMMONSZ;
+ return bfd_bread ((char *) core + CORE_COMMONSZ, size, abfd) == size;
+}
static asection *
-make_bfd_asection (abfd, name, flags, _raw_size, vma, filepos)
- bfd *abfd;
- CONST char *name;
- flagword flags;
- bfd_size_type _raw_size;
- bfd_vma vma;
- file_ptr filepos;
+make_bfd_asection (bfd *abfd, const char *name, flagword flags,
+ bfd_size_type size, bfd_vma vma, file_ptr filepos)
{
asection *asect;
- asect = bfd_make_section_anyway (abfd, name);
+ asect = bfd_make_section_anyway_with_flags (abfd, name, flags);
if (!asect)
return NULL;
- asect->flags = flags;
- asect->_raw_size = _raw_size;
+ asect->size = size;
asect->vma = vma;
asect->filepos = filepos;
asect->alignment_power = 8;
}
/* Decide if a given bfd represents a `core' file or not. There really is no
- magic number or anything like, in rs6000coff. */
+ magic number or anything like, in rs6000coff. */
-const bfd_target *
-rs6000coff_core_p (abfd)
- bfd *abfd;
+bfd_cleanup
+rs6000coff_core_p (bfd *abfd)
{
- struct CORE_DUMP coredata;
+ CoreHdr core;
struct stat statbuf;
- bfd_size_type nread;
+ bfd_size_type size;
char *tmpptr;
- if (bfd_seek (abfd, 0, SEEK_SET) != 0)
- return NULL;
+ /* Values from new and old core structures. */
+ int c_flag;
+ file_ptr c_stack, c_regoff, c_loader;
+ bfd_size_type c_size, c_regsize, c_lsize;
+ bfd_vma c_stackend;
+ void *c_regptr;
+ int proc64;
- nread = bfd_read (&coredata, 1, sizeof (struct CORE_DUMP), abfd);
- if (nread != sizeof (struct CORE_DUMP))
+ if (!read_hdr (abfd, &core))
{
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
+ /* This isn't the right handler for 64-bit core files on AIX 5.x. */
+ if (CORE_NEW (core) && CNEW_IS_CORE_DUMPXX (core))
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+
+ /* Copy fields from new or old core structure. */
+ if (CORE_NEW (core))
+ {
+ c_flag = core.new_dump.c_flag;
+ c_stack = (file_ptr) core.new_dump.c_stack;
+ c_size = core.new_dump.c_size;
+ c_stackend = CNEW_STACKORG (core.new_dump) + c_size;
+ c_lsize = CNEW_LSIZE (core.new_dump);
+ c_loader = CNEW_LOADER (core.new_dump);
+#ifndef BFD64
+ proc64 = CNEW_PROC64 (core.new_dump);
+ }
+ else
+ {
+ c_flag = core.old.c_flag;
+ c_stack = (file_ptr) (ptr_to_uint) core.old.c_stack;
+ c_size = core.old.c_size;
+ c_stackend = COLD_STACKEND;
+ c_lsize = 0x7ffffff;
+ c_loader = (file_ptr) (ptr_to_uint) COLD_LOADER (core.old);
+#endif
+ proc64 = 0;
+ }
+
+ if (proc64)
+ {
+ c_regsize = sizeof (CNEW_CONTEXT64 (core.new_dump));
+ c_regptr = &CNEW_CONTEXT64 (core.new_dump);
+ }
+ else if (CORE_NEW (core))
+ {
+ c_regsize = sizeof (CNEW_MSTSAVE (core.new_dump));
+ c_regptr = &CNEW_MSTSAVE (core.new_dump);
+ }
+#ifndef BFD64
+ else
+ {
+ c_regsize = sizeof (COLD_MSTSAVE (core.old));
+ c_regptr = &COLD_MSTSAVE (core.old);
+ }
+#endif
+ c_regoff = (char *) c_regptr - (char *) &core;
+
if (bfd_stat (abfd, &statbuf) < 0)
{
bfd_set_error (bfd_error_system_call);
if it's not there, we refuse to have anything to do with this core
file. The usefulness of a core dump without a stack segment is pretty
limited anyway. */
-
- if (!(coredata.c_flag & UBLOCK_VALID)
- || !(coredata.c_flag & LE_VALID))
+
+ if (!(c_flag & UBLOCK_VALID)
+ || !(c_flag & LE_VALID))
{
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
- if (!(coredata.c_flag & USTACK_VALID))
+ if (!(c_flag & USTACK_VALID))
{
bfd_set_error (bfd_error_file_truncated);
return NULL;
/* Don't check the core file size for a full core, AIX 4.1 includes
additional shared library sections in a full core. */
- if (!(coredata.c_flag & (FULL_CORE | CORE_TRUNC))
- && ((bfd_vma)coredata.c_stack + coredata.c_size) != statbuf.st_size)
+ if (!(c_flag & (FULL_CORE | CORE_TRUNC)))
{
/* If the size is wrong, it means we're misinterpreting something. */
- bfd_set_error (bfd_error_wrong_format);
- return NULL;
+ if (c_stack + (file_ptr) c_size != statbuf.st_size)
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
}
-#ifdef AIX_CORE_DUMPX_CORE
- /* For the core_dumpx format, make sure c_entries == 0 If it does
- not, the core file uses the old format */
- if (coredata.c_entries != 0)
- {
- bfd_set_error (bfd_error_wrong_format);
- return NULL;
- }
-#else
/* Sanity check on the c_tab field. */
- if ((u_long) coredata.c_tab < sizeof coredata ||
- (u_long) coredata.c_tab >= statbuf.st_size ||
- (long) coredata.c_tab >= (long)coredata.c_stack)
+ if (!CORE_NEW (core)
+ && (
+#ifndef BFD64
+ c_loader < (file_ptr) sizeof core.old
+#else
+ c_loader < (file_ptr) sizeof core.new_dump
+#endif
+ || c_loader >= statbuf.st_size
+ || c_loader >= c_stack))
{
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
-#endif
/* Issue warning if the core file was truncated during writing. */
- if (coredata.c_flag & CORE_TRUNC)
- (*_bfd_error_handler) (_("%s: warning core file truncated"),
- bfd_get_filename (abfd));
+ if (c_flag & CORE_TRUNC)
+ _bfd_error_handler (_("%pB: warning core file truncated"), abfd);
/* Allocate core file header. */
- tmpptr = (char*) bfd_zalloc (abfd, sizeof (Rs6kCorData));
+#ifndef BFD64
+ size = CORE_NEW (core) ? sizeof (core.new_dump) : sizeof (core.old);
+#else
+ size = sizeof (core.new_dump);
+#endif
+ tmpptr = (char *) bfd_zalloc (abfd, (bfd_size_type) size);
if (!tmpptr)
return NULL;
-
- set_tdata (abfd, tmpptr);
/* Copy core file header. */
- core_hdr (abfd) = coredata;
+ memcpy (tmpptr, &core, size);
+ set_tdata (abfd, tmpptr);
+
+ /* Set architecture. */
+ if (CORE_NEW (core))
+ {
+ enum bfd_architecture arch;
+ unsigned long mach;
+
+ switch (CNEW_IMPL (core.new_dump))
+ {
+ case POWER_RS1:
+ case POWER_RSC:
+ case POWER_RS2:
+ arch = bfd_arch_rs6000;
+ mach = bfd_mach_rs6k;
+ break;
+ default:
+ arch = bfd_arch_powerpc;
+ mach = bfd_mach_ppc;
+ break;
+ }
+ bfd_default_set_arch_mach (abfd, arch, mach);
+ }
- /* .stack section. */
+ /* .stack section. */
if (!make_bfd_asection (abfd, ".stack",
- SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
- (bfd_size_type) coredata.c_size,
- (bfd_vma) (STACK_END_ADDR - coredata.c_size),
- (file_ptr) coredata.c_stack))
- return NULL;
+ SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
+ c_size, c_stackend - c_size, c_stack))
+ goto fail;
- /* .reg section for GPRs and special registers. */
+ /* .reg section for all registers. */
if (!make_bfd_asection (abfd, ".reg",
- SEC_HAS_CONTENTS,
- (bfd_size_type) ((32 + NUM_OF_SPEC_REGS) * 4),
- (bfd_vma) 0,
- (file_ptr) ((char *) &coredata.SAVE_FIELD
- - (char *) &coredata)))
- return NULL;
-
- /* .reg2 section for FPRs (floating point registers). */
- if (!make_bfd_asection (abfd, ".reg2",
- SEC_HAS_CONTENTS,
- (bfd_size_type) 8 * 32, /* 32 FPRs. */
- (bfd_vma) 0,
- (file_ptr) ((char *) &coredata.SAVE_FIELD.fpr[0]
- - (char *) &coredata)))
- return NULL;
+ SEC_HAS_CONTENTS,
+ c_regsize, (bfd_vma) 0, c_regoff))
+ goto fail;
/* .ldinfo section.
To actually find out how long this section is in this particular
core dump would require going down the whole list of struct ld_info's.
See if we can just fake it. */
if (!make_bfd_asection (abfd, ".ldinfo",
- SEC_HAS_CONTENTS,
- (bfd_size_type) LOADER_REGION_SIZE,
- (bfd_vma) 0,
- (file_ptr) coredata.LOADER_OFFSET_FIELD))
- return NULL;
+ SEC_HAS_CONTENTS,
+ c_lsize, (bfd_vma) 0, c_loader))
+ goto fail;
#ifndef CORE_VERSION_1
/* .data section if present.
AIX 3 dumps the complete data section and sets FULL_CORE if the
ulimit is large enough, otherwise the data section is omitted.
AIX 4 sets FULL_CORE even if the core file is truncated, we have
- to examine coredata.c_datasize below to find out the actual size of
+ to examine core.c_datasize below to find out the actual size of
the .data section. */
- if (coredata.c_flag & FULL_CORE)
+ if (c_flag & FULL_CORE)
{
if (!make_bfd_asection (abfd, ".data",
SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
- (bfd_size_type) coredata.CORE_DATA_SIZE_FIELD,
+ (bfd_size_type) core.old.c_u.u_dsize,
(bfd_vma)
- CDATA_ADDR (coredata.CORE_DATA_SIZE_FIELD),
- (file_ptr) coredata.c_stack + coredata.c_size))
- return NULL;
+ CDATA_ADDR (core.old.c_u.u_dsize),
+ c_stack + c_size))
+ goto fail;
}
#endif
which can be found by examining ldinfo, and anonymously mmapped
regions. */
{
- struct ld_info ldinfo;
- bfd_size_type ldinfo_size;
- file_ptr ldinfo_offset = (file_ptr) coredata.LOADER_OFFSET_FIELD;
+ LdInfo ldinfo;
+ bfd_size_type ldi_datasize;
+ file_ptr ldi_core;
+ uint ldi_next;
+ bfd_vma ldi_dataorg;
+ bfd_vma core_dataorg;
+
+ /* Fields from new and old core structures. */
+ bfd_size_type c_datasize, c_vmregions;
+ file_ptr c_data, c_vmm;
+
+ if (CORE_NEW (core))
+ {
+ c_datasize = CNEW_DATASIZE (core.new_dump);
+ c_data = (file_ptr) core.new_dump.c_data;
+ c_vmregions = core.new_dump.c_vmregions;
+ c_vmm = (file_ptr) core.new_dump.c_vmm;
+ }
+#ifndef BFD64
+ else
+ {
+ c_datasize = core.old.c_datasize;
+ c_data = (file_ptr) (ptr_to_uint) core.old.c_data;
+ c_vmregions = core.old.c_vmregions;
+ c_vmm = (file_ptr) (ptr_to_uint) core.old.c_vmm;
+ }
+#endif
/* .data section from executable. */
- if (coredata.c_datasize)
+ if (c_datasize)
{
+ /* If Large Memory Model is used, then the .data segment should start from
+ BDATAORG which has been defined in the system header files. */
+
+ if (c_flag & CORE_BIGDATA)
+ core_dataorg = BDATAORG;
+ else
+ core_dataorg = CDATA_ADDR (c_datasize);
+
if (!make_bfd_asection (abfd, ".data",
SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
- (bfd_size_type) coredata.c_datasize,
- (bfd_vma)
- CDATA_ADDR (coredata.CORE_DATA_SIZE_FIELD),
- (file_ptr) coredata.c_data))
- return NULL;
+ c_datasize,
+ (bfd_vma) core_dataorg,
+ c_data))
+ goto fail;
}
/* .data sections from loaded objects. */
- ldinfo_size = (char *) &ldinfo.ldinfo_filename[0]
- - (char *) &ldinfo.ldinfo_next;
+ if (proc64)
+ size = (unsigned long) ((LdInfo *) 0)->l64.ldinfo_filename;
+ else
+ size = (unsigned long) ((LdInfo *) 0)->l32.ldinfo_filename;
+
while (1)
{
- if (bfd_seek (abfd, ldinfo_offset, SEEK_SET) != 0)
- return NULL;
- if (bfd_read (&ldinfo, ldinfo_size, 1, abfd) != ldinfo_size)
- return NULL;
- if (ldinfo.ldinfo_core)
+ if (bfd_seek (abfd, c_loader, SEEK_SET) != 0)
+ goto fail;
+ if (bfd_bread (&ldinfo, size, abfd) != size)
+ goto fail;
+
+ if (proc64)
+ {
+ ldi_core = ldinfo.l64.ldinfo_core;
+ ldi_datasize = ldinfo.l64.ldinfo_datasize;
+ ldi_dataorg = (bfd_vma) ldinfo.l64.ldinfo_dataorg;
+ ldi_next = ldinfo.l64.ldinfo_next;
+ }
+ else
{
- if (!make_bfd_asection (abfd, ".data",
- SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
- (bfd_size_type) ldinfo.ldinfo_datasize,
- (bfd_vma) ldinfo.ldinfo_dataorg,
- (file_ptr) ldinfo.ldinfo_core))
- return NULL;
+ ldi_core = ldinfo.l32.ldinfo_core;
+ ldi_datasize = ldinfo.l32.ldinfo_datasize;
+ ldi_dataorg = (bfd_vma) (ptr_to_uint) ldinfo.l32.ldinfo_dataorg;
+ ldi_next = ldinfo.l32.ldinfo_next;
}
- if (ldinfo.ldinfo_next == 0)
+
+ if (ldi_core)
+ if (!make_bfd_asection (abfd, ".data",
+ SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
+ ldi_datasize, ldi_dataorg, ldi_core))
+ goto fail;
+
+ if (ldi_next == 0)
break;
- ldinfo_offset += ldinfo.ldinfo_next;
+ c_loader += ldi_next;
}
/* .vmdata sections from anonymously mmapped regions. */
- if (coredata.c_vmregions)
+ if (c_vmregions)
{
- int i;
+ bfd_size_type i;
- if (bfd_seek (abfd, (file_ptr) coredata.c_vmm, SEEK_SET) != 0)
- return NULL;
+ if (bfd_seek (abfd, c_vmm, SEEK_SET) != 0)
+ goto fail;
- for (i = 0; i < coredata.c_vmregions; i++)
+ for (i = 0; i < c_vmregions; i++)
{
- struct vm_info vminfo;
+ VmInfo vminfo;
+ bfd_size_type vminfo_size;
+ file_ptr vminfo_offset;
+ bfd_vma vminfo_addr;
- if (bfd_read (&vminfo, sizeof (vminfo), 1, abfd) != sizeof (vminfo))
- return NULL;
- if (vminfo.vminfo_offset)
+#ifndef BFD64
+ size = CORE_NEW (core) ? sizeof (vminfo.new_dump) : sizeof (vminfo.old);
+#else
+ size = sizeof (vminfo.new_dump);
+#endif
+ if (bfd_bread (&vminfo, size, abfd) != size)
+ goto fail;
+
+ if (CORE_NEW (core))
{
- if (!make_bfd_asection (abfd, ".vmdata",
- SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
- (bfd_size_type) vminfo.vminfo_size,
- (bfd_vma) vminfo.vminfo_addr,
- (file_ptr) vminfo.vminfo_offset))
- return NULL;
+ vminfo_addr = (bfd_vma) vminfo.new_dump.vminfo_addr;
+ vminfo_size = vminfo.new_dump.vminfo_size;
+ vminfo_offset = vminfo.new_dump.vminfo_offset;
}
+#ifndef BFD64
+ else
+ {
+ vminfo_addr = (bfd_vma) (ptr_to_uint) vminfo.old.vminfo_addr;
+ vminfo_size = vminfo.old.vminfo_size;
+ vminfo_offset = vminfo.old.vminfo_offset;
+ }
+#endif
+
+ if (vminfo_offset)
+ if (!make_bfd_asection (abfd, ".vmdata",
+ SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
+ vminfo_size, vminfo_addr,
+ vminfo_offset))
+ goto fail;
}
}
}
#endif
- return abfd->xvec; /* this is garbage for now. */
-}
+ return _bfd_no_cleanup;
+ fail:
+ bfd_release (abfd, abfd->tdata.any);
+ abfd->tdata.any = NULL;
+ bfd_section_list_clear (abfd);
+ return NULL;
+}
+/* Return `TRUE' if given core is from the given executable. */
-/* return `true' if given core is from the given executable.. */
-boolean
-rs6000coff_core_file_matches_executable_p (core_bfd, exec_bfd)
- bfd *core_bfd;
- bfd *exec_bfd;
+bfd_boolean
+rs6000coff_core_file_matches_executable_p (bfd *core_bfd, bfd *exec_bfd)
{
- struct CORE_DUMP coredata;
- struct ld_info ldinfo;
+ CoreHdr core;
bfd_size_type size;
char *path, *s;
size_t alloc;
const char *str1, *str2;
- boolean ret;
+ bfd_boolean ret;
+ file_ptr c_loader;
+
+ if (!read_hdr (core_bfd, &core))
+ return FALSE;
- if (bfd_seek (core_bfd, 0, SEEK_SET) != 0
- || bfd_read (&coredata, sizeof coredata, 1, core_bfd) != sizeof coredata)
- return false;
+ if (CORE_NEW (core))
+ c_loader = CNEW_LOADER (core.new_dump);
+#ifndef BFD64
+ else
+ c_loader = (file_ptr) (ptr_to_uint) COLD_LOADER (core.old);
+#endif
- if (bfd_seek (core_bfd, (long) coredata.LOADER_OFFSET_FIELD, SEEK_SET) != 0)
- return false;
+ if (CORE_NEW (core) && CNEW_PROC64 (core.new_dump))
+ size = (int) ((LdInfo *) 0)->l64.ldinfo_filename;
+ else
+ size = (int) ((LdInfo *) 0)->l32.ldinfo_filename;
- size = (char *) &ldinfo.ldinfo_filename[0] - (char *) &ldinfo.ldinfo_next;
- if (bfd_read (&ldinfo, size, 1, core_bfd) != size)
- return false;
+ if (bfd_seek (core_bfd, c_loader + size, SEEK_SET) != 0)
+ return FALSE;
alloc = 100;
- path = bfd_malloc (alloc);
+ path = bfd_malloc ((bfd_size_type) alloc);
if (path == NULL)
- return false;
+ return FALSE;
s = path;
while (1)
{
- if (bfd_read (s, 1, 1, core_bfd) != 1)
+ if (bfd_bread (s, (bfd_size_type) 1, core_bfd) != 1)
{
free (path);
- return false;
+ return FALSE;
}
if (*s == '\0')
break;
char *n;
alloc *= 2;
- n = bfd_realloc (path, alloc);
+ n = bfd_realloc (path, (bfd_size_type) alloc);
if (n == NULL)
{
free (path);
- return false;
+ return FALSE;
}
s = n + (path - s);
path = n;
}
}
-
+
str1 = strrchr (path, '/');
- str2 = strrchr (exec_bfd->filename, '/');
+ str2 = strrchr (bfd_get_filename (exec_bfd), '/');
/* step over character '/' */
str1 = str1 != NULL ? str1 + 1 : path;
- str2 = str2 != NULL ? str2 + 1 : exec_bfd->filename;
+ str2 = str2 != NULL ? str2 + 1 : bfd_get_filename (exec_bfd);
if (strcmp (str1, str2) == 0)
- ret = true;
+ ret = TRUE;
else
- ret = false;
+ ret = FALSE;
free (path);
}
char *
-rs6000coff_core_file_failing_command (abfd)
- bfd *abfd;
+rs6000coff_core_file_failing_command (bfd *abfd)
{
- char *com = core_hdr (abfd).CORE_COMM_FIELD;
+ CoreHdr *core = core_hdr (abfd);
+#ifndef BFD64
+ char *com = CORE_NEW (*core) ?
+ CNEW_COMM (core->new_dump) : COLD_COMM (core->old);
+#else
+ char *com = CNEW_COMM (core->new_dump);
+#endif
+
if (*com)
return com;
else
}
int
-rs6000coff_core_file_failing_signal (abfd)
- bfd *abfd;
+rs6000coff_core_file_failing_signal (bfd *abfd)
{
- return core_hdr (abfd).c_signo;
-}
-
-
-boolean
-rs6000coff_get_section_contents (abfd, section, location, offset, count)
- bfd *abfd;
- sec_ptr section;
- PTR location;
- file_ptr offset;
- bfd_size_type count;
-{
- if (count == 0)
- return true;
-
- /* Reading a core file's sections will be slightly different. For the
- rest of them we can use bfd_generic_get_section_contents () I suppose. */
- /* Make sure this routine works for any bfd and any section. FIXMEmgo. */
-
- if (abfd->format == bfd_core && strcmp (section->name, ".reg") == 0) {
-
- struct mstsave mstatus;
- int regoffset = (char*)&mstatus.gpr[0] - (char*)&mstatus;
-
- /* Assert that the only way this code will be executed is reading the
- whole section. */
- if (offset || count != (sizeof(mstatus.gpr) + (4 * NUM_OF_SPEC_REGS)))
- (*_bfd_error_handler)
- (_("ERROR! in rs6000coff_get_section_contents()\n"));
-
- /* for `.reg' section, `filepos' is a pointer to the `mstsave' structure
- in the core file. */
-
- /* read GPR's into the location. */
- if ( bfd_seek(abfd, section->filepos + regoffset, SEEK_SET) == -1
- || bfd_read(location, sizeof (mstatus.gpr), 1, abfd) != sizeof (mstatus.gpr))
- return (false); /* on error */
-
- /* increment location to the beginning of special registers in the section,
- reset register offset value to the beginning of first special register
- in mstsave structure, and read special registers. */
-
- location = (PTR) ((char*)location + sizeof (mstatus.gpr));
- regoffset = (char*)&mstatus.iar - (char*)&mstatus;
-
- if ( bfd_seek(abfd, section->filepos + regoffset, SEEK_SET) == -1
- || bfd_read(location, 4 * NUM_OF_SPEC_REGS, 1, abfd) !=
- 4 * NUM_OF_SPEC_REGS)
- return (false); /* on error */
-
- /* increment location address, and read the special registers.. */
- /* FIXMEmgo */
- return (true);
- }
-
- /* else, use default bfd section content transfer. */
- else
- return _bfd_generic_get_section_contents
- (abfd, section, location, offset, count);
+ CoreHdr *core = core_hdr (abfd);
+#ifndef BFD64
+ return CORE_NEW (*core) ? core->new_dump.c_signo : core->old.c_signo;
+#else
+ return core->new_dump.c_signo;
+#endif
}
#endif /* AIX_CORE */
projects / thirdparty / binutils-gdb.git / blobdiff