/* IBM RS/6000 "XCOFF" back-end for BFD.
- Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 98, 2000
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000,
+ 2001, 2002, 2004, 2006
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
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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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.
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
#undef SCNHDR
-
/* ------------------------------------------------------------------------ */
/* Support for core file stuff.. */
/* ------------------------------------------------------------------------ */
#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_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. */
+ or else defines it as 0. */
#if defined(CORE_VERSION_1) && !CORE_VERSION_1
# undef CORE_VERSION_1
/* 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. */
+ values. */
-/* Union of 32-bit and 64-bit versions of ld_info. */
+/* Union of 32-bit and 64-bit versions of ld_info. */
typedef union {
#ifdef __ld_info32
#endif
} LdInfo;
-/* Union of old and new core dump structures. */
+/* Union of old and new core dump structures. */
typedef union {
#ifdef AIX_CORE_DUMPX_CORE
- struct core_dumpx new; /* new AIX 4.3+ core dump */
+ struct core_dumpx new; /* new AIX 4.3+ core dump */
#else
- struct core_dump new; /* for simpler coding */
+ struct core_dump new; /* for simpler coding */
#endif
- struct core_dump old; /* old AIX 4.2- core dump, still used on
+ struct core_dump old; /* old AIX 4.2- core dump, still used on
4.3+ with appropriate SMIT config */
} CoreHdr;
-/* Union of old and new vm_info structures. */
+/* Union of old and new vm_info structures. */
#ifdef CORE_VERSION_1
typedef union {
#ifdef AIX_CORE_DUMPX_CORE
- struct vm_infox new;
+ struct vm_infox new;
#else
- struct vm_info new;
+ struct vm_info new;
#endif
- struct vm_info old;
+ struct vm_info old;
} VmInfo;
#endif
-/* Return whether CoreHdr C is in new or old format. */
+/* Return whether CoreHdr C is in new or old format. */
#ifdef AIX_CORE_DUMPX_CORE
# define CORE_NEW(c) (!(c).old.c_entries)
# define CORE_NEW(c) 0
#endif
-/* Return the c_stackorg field from struct core_dumpx C. */
+/* Return the c_stackorg field from struct core_dumpx C. */
#ifdef AIX_CORE_DUMPX_CORE
# define CNEW_STACKORG(c) (c).c_stackorg
# define CNEW_STACKORG(c) 0
#endif
-/* Return the offset to the loader region from struct core_dump C. */
+/* Return the offset to the loader region from struct core_dump C. */
#ifdef AIX_CORE_DUMPX_CORE
# define CNEW_LOADER(c) (c).c_loader
# define CNEW_LOADER(c) 0
#endif
-/* Return the offset to the loader region from struct core_dump C. */
+/* 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. */
+/* Return the c_lsize field from struct core_dumpx C. */
#ifdef AIX_CORE_DUMPX_CORE
# define CNEW_LSIZE(c) (c).c_lsize
# define CNEW_LSIZE(c) 0
#endif
-/* Return the c_dataorg field from struct core_dumpx C. */
+/* Return the c_dataorg field from struct core_dumpx C. */
#ifdef AIX_CORE_DUMPX_CORE
# define CNEW_DATAORG(c) (c).c_dataorg
# define CNEW_DATAORG(c) 0
#endif
-/* Return the c_datasize field from struct core_dumpx C. */
+/* Return the c_datasize field from struct core_dumpx C. */
#ifdef AIX_CORE_DUMPX_CORE
# define CNEW_DATASIZE(c) (c).c_datasize
# define CNEW_DATASIZE(c) 0
#endif
-/* Return the c_impl field from struct core_dumpx C. */
+/* Return the c_impl field from struct core_dumpx C. */
-#ifdef AIX_CORE_DUMPX_CORE
+#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. */
+/* 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
# define CNEW_COMM(c) 0
#endif
-/* Return the command string from struct core_dump C. */
+/* Return the command string from struct core_dump C. */
#ifdef CORE_VERSION_1
# define COLD_COMM(c) (c).c_u.U_comm
# define COLD_COMM(c) (c).c_u.u_comm
#endif
-/* Return the struct __context64 pointer from struct core_dumpx C. */
+/* Return the struct __context64 pointer from struct core_dumpx C. */
#ifdef AIX_CORE_DUMPX_CORE
# define CNEW_CONTEXT64(c) (c).c_flt.hctx.r64
# define CNEW_CONTEXT64(c) c
#endif
-/* Return the struct mstsave pointer from struct core_dumpx C. */
+/* Return the struct mstsave pointer from struct core_dumpx C. */
#ifdef AIX_CORE_DUMPX_CORE
# define CNEW_MSTSAVE(c) (c).c_flt.hctx.r32
# define CNEW_MSTSAVE(c) c
#endif
-/* Return the struct mstsave pointer from struct core_dump C. */
+/* Return the struct mstsave pointer from struct core_dump C. */
#ifdef CORE_VERSION_1
# define COLD_MSTSAVE(c) (c).c_mst
# define COLD_MSTSAVE(c) (c).c_u.u_save
#endif
-/* Return whether struct core_dumpx is from a 64-bit process. */
+/* 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)
#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. */
+ but I don't see any easy way to get that info right now. */
#ifdef CORE_VERSION_1
# define COLD_STACKEND 0x2ff23000
#endif
/* Size of the leading portion that old and new core dump structures have in
- common. */
-#define CORE_COMMONSZ ((int)&((struct core_dump *)0)->c_entries + \
- sizeof (((struct core_dump *)0)->c_entries))
+ common. */
+#define CORE_COMMONSZ ((int) &((struct core_dump *) 0)->c_entries \
+ + sizeof (((struct core_dump *) 0)->c_entries))
+
+/* Define prototypes for certain functions, to avoid a compiler warning
+ saying that they are missing. */
+
+const bfd_target * 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. */
+/* Try to read into CORE the header from the core file associated with ABFD.
+ Return success. */
-static boolean
+static bfd_boolean
read_hdr (bfd *abfd, CoreHdr *core)
{
bfd_size_type size;
- if (bfd_seek (abfd, 0, SEEK_SET) != 0)
- return false;
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
+ return FALSE;
/* Read the leading portion that old and new core dump structures have in
- common. */
- if (bfd_read (core, CORE_COMMONSZ, 1, abfd) != CORE_COMMONSZ)
- return false;
-
- /* Read the trailing portion of the structure. */
- size = CORE_NEW (*core) ? sizeof (core->new) : sizeof (core->old)
- - CORE_COMMONSZ;
- return bfd_read ((char *)core + CORE_COMMONSZ, size, 1, abfd) == size;
+ 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);
+ else
+ size = sizeof (core->old);
+ 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;
+rs6000coff_core_p (bfd *abfd)
{
CoreHdr core;
struct stat statbuf;
bfd_size_type size;
char *tmpptr;
- /* Values from new and old core structures. */
+ /* 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;
return NULL;
}
- /* Copy fields from new or old core structure. */
+ /* Copy fields from new or old core structure. */
if (CORE_NEW (core))
{
c_flag = core.new.c_flag;
else
{
c_flag = core.old.c_flag;
- c_stack = (file_ptr) core.old.c_stack;
+ 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) COLD_LOADER (core.old);
+ c_loader = (file_ptr) (ptr_to_uint) COLD_LOADER (core.old);
proc64 = 0;
}
c_regsize = sizeof (COLD_MSTSAVE (core.old));
c_regptr = &COLD_MSTSAVE (core.old);
}
- c_regoff = (char *)c_regptr - (char *)&core;
+ c_regoff = (char *) c_regptr - (char *) &core;
if (bfd_stat (abfd, &statbuf) < 0)
{
For the data segment, we have no choice but to keep going if it's
not there, since the default behavior is not to dump it (regardless
- of the ulimit, it's based on SA_FULLDUMP). But for the stack segment,
+ of the ulimit, it's based on SA_FULLDUMP). But for the stack segment,
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. */
}
/* Don't check the core file size for a full core, AIX 4.1 includes
- additional shared library sections in a full core. */
+ additional shared library sections in a full core. */
if (!(c_flag & (FULL_CORE | CORE_TRUNC)))
{
- /* If the size is wrong, it means we're misinterpreting something. */
+ /* If the size is wrong, it means we're misinterpreting something. */
if (c_stack + (file_ptr) c_size != statbuf.st_size)
{
bfd_set_error (bfd_error_wrong_format);
(*_bfd_error_handler) (_("%s: warning core file truncated"),
bfd_get_filename (abfd));
- /* Allocate core file header. */
+ /* Allocate core file header. */
size = CORE_NEW (core) ? sizeof (core.new) : sizeof (core.old);
- tmpptr = (char*) bfd_zalloc (abfd, size);
+ tmpptr = (char *) bfd_zalloc (abfd, (bfd_size_type) size);
if (!tmpptr)
return NULL;
memcpy (tmpptr, &core, size);
set_tdata (abfd, tmpptr);
- /* Set architecture. */
+ /* Set architecture. */
if (CORE_NEW (core))
{
enum bfd_architecture arch;
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,
c_size, c_stackend - c_size, c_stack))
- return NULL;
+ goto fail;
- /* .reg section for all registers. */
+ /* .reg section for all registers. */
if (!make_bfd_asection (abfd, ".reg",
SEC_HAS_CONTENTS,
c_regsize, (bfd_vma) 0, c_regoff))
- return NULL;
+ goto fail;
/* .ldinfo section.
To actually find out how long this section is in this particular
if (!make_bfd_asection (abfd, ".ldinfo",
SEC_HAS_CONTENTS,
c_lsize, (bfd_vma) 0, c_loader))
- return NULL;
+ goto fail;
#ifndef CORE_VERSION_1
/* .data section if present.
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 core.c_datasize below to find out the actual size of
- the .data section. */
+ the .data section. */
if (c_flag & FULL_CORE)
{
if (!make_bfd_asection (abfd, ".data",
(bfd_vma)
CDATA_ADDR (core.old.c_u.u_dsize),
c_stack + c_size))
- return NULL;
+ goto fail;
}
#endif
uint ldi_next;
bfd_vma ldi_dataorg;
- /* Fields from new and old core structures. */
+ /* Fields from new and old core structures. */
bfd_size_type c_datasize, c_vmregions;
file_ptr c_data, c_vmm;
else
{
c_datasize = core.old.c_datasize;
- c_data = (file_ptr) core.old.c_data;
+ c_data = (file_ptr) (ptr_to_uint) core.old.c_data;
c_vmregions = core.old.c_vmregions;
- c_vmm = (file_ptr) core.old.c_vmm;
+ c_vmm = (file_ptr) (ptr_to_uint) core.old.c_vmm;
}
/* .data section from executable. */
c_datasize,
(bfd_vma) CDATA_ADDR (c_datasize),
c_data))
- return NULL;
+ goto fail;
}
/* .data sections from loaded objects. */
if (proc64)
- size = (int)((LdInfo *)0)->l64.ldinfo_filename;
+ size = (int) ((LdInfo *) 0)->l64.ldinfo_filename;
else
- size = (int)((LdInfo *)0)->l32.ldinfo_filename;
+ size = (int) ((LdInfo *) 0)->l32.ldinfo_filename;
while (1)
{
if (bfd_seek (abfd, c_loader, SEEK_SET) != 0)
- return NULL;
- if (bfd_read (&ldinfo, size, 1, abfd) != size)
- return NULL;
+ goto fail;
+ if (bfd_bread (&ldinfo, size, abfd) != size)
+ goto fail;
if (proc64)
{
{
ldi_core = ldinfo.l32.ldinfo_core;
ldi_datasize = ldinfo.l32.ldinfo_datasize;
- ldi_dataorg = (bfd_vma)(long) ldinfo.l32.ldinfo_dataorg;
+ ldi_dataorg = (bfd_vma) (long) ldinfo.l32.ldinfo_dataorg;
ldi_next = ldinfo.l32.ldinfo_next;
}
if (!make_bfd_asection (abfd, ".data",
SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
ldi_datasize, ldi_dataorg, ldi_core))
- return NULL;
+ goto fail;
if (ldi_next == 0)
break;
bfd_size_type i;
if (bfd_seek (abfd, c_vmm, SEEK_SET) != 0)
- return NULL;
+ goto fail;
for (i = 0; i < c_vmregions; i++)
{
bfd_vma vminfo_addr;
size = CORE_NEW (core) ? sizeof (vminfo.new) : sizeof (vminfo.old);
- if (bfd_read (&vminfo, size, 1, abfd) != size)
- return NULL;
+ if (bfd_bread (&vminfo, size, abfd) != size)
+ goto fail;
if (CORE_NEW (core))
{
}
else
{
- vminfo_addr = (bfd_vma)(long) vminfo.old.vminfo_addr;
+ vminfo_addr = (bfd_vma) (long) vminfo.old.vminfo_addr;
vminfo_size = vminfo.old.vminfo_size;
vminfo_offset = vminfo.old.vminfo_offset;
}
SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS,
vminfo_size, vminfo_addr,
vminfo_offset))
- return NULL;
+ goto fail;
}
}
}
#endif
- return abfd->xvec; /* this is garbage for now. */
-}
+ return abfd->xvec; /* This is garbage for now. */
+ 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)
{
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;
+ return FALSE;
if (CORE_NEW (core))
c_loader = CNEW_LOADER (core.new);
else
- c_loader = (file_ptr) COLD_LOADER (core.old);
+ c_loader = (file_ptr) (ptr_to_uint) COLD_LOADER (core.old);
if (CORE_NEW (core) && CNEW_PROC64 (core.new))
- size = (int)((LdInfo *)0)->l64.ldinfo_filename;
+ size = (int) ((LdInfo *) 0)->l64.ldinfo_filename;
else
- size = (int)((LdInfo *)0)->l32.ldinfo_filename;
+ size = (int) ((LdInfo *) 0)->l32.ldinfo_filename;
if (bfd_seek (core_bfd, c_loader + size, SEEK_SET) != 0)
- return false;
+ 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;
str2 = str2 != NULL ? str2 + 1 : exec_bfd->filename;
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)
{
CoreHdr *core = core_hdr (abfd);
char *com = CORE_NEW (*core) ?
}
int
-rs6000coff_core_file_failing_signal (abfd)
- bfd *abfd;
+rs6000coff_core_file_failing_signal (bfd *abfd)
{
CoreHdr *core = core_hdr (abfd);
return CORE_NEW (*core) ? core->new.c_signo : core->old.c_signo;
projects / deliverable / binutils-gdb.git / blobdiff