/* IBM RS/6000 "XCOFF" back-end for BFD.
- Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000,
- 2001
- 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.
#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 */
#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.
/* Union of 32-bit and 64-bit versions of ld_info. */
-typedef union {
-#ifdef __ld_info32
+typedef union
+{
+#if defined (__ld_info32) || defined (__ld_info64)
struct __ld_info32 l32;
struct __ld_info64 l64;
#else
/* Union of old and new core dump structures. */
-typedef union {
+typedef union
+{
#ifdef AIX_CORE_DUMPX_CORE
- struct core_dumpx new; /* new AIX 4.3+ core dump */
+ struct core_dumpx new_dump; /* New AIX 4.3+ core dump. */
#else
- struct core_dump new; /* for simpler coding */
+ 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
- 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. */
#ifdef CORE_VERSION_1
-typedef union {
+typedef union
+{
#ifdef AIX_CORE_DUMPX_CORE
- struct vm_infox new;
+ struct vm_infox new_dump;
#else
- struct vm_info new;
+ struct vm_info new_dump;
#endif
+#ifndef BFD64
struct vm_info old;
+#endif
} VmInfo;
#endif
/* Return whether CoreHdr C is in new or old format. */
#ifdef AIX_CORE_DUMPX_CORE
-# define CORE_NEW(c) (!(c).old.c_entries)
+# 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
/* 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
/* 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))
+#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 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;
+ size = CORE_COMMONSZ;
+ if (bfd_bread (core, size, abfd) != size)
+ 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;
+ 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. */
-const bfd_target *
-rs6000coff_core_p (abfd)
- bfd *abfd;
+bfd_cleanup
+rs6000coff_core_p (bfd *abfd)
{
CoreHdr core;
struct stat statbuf;
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.c_flag;
- c_stack = (file_ptr) core.new.c_stack;
- c_size = core.new.c_size;
- c_stackend = CNEW_STACKORG (core.new) + c_size;
- c_lsize = CNEW_LSIZE (core.new);
- c_loader = CNEW_LOADER (core.new);
- proc64 = CNEW_PROC64 (core.new);
+ 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) 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);
+#endif
proc64 = 0;
}
if (proc64)
{
- c_regsize = sizeof (CNEW_CONTEXT64 (core.new));
- c_regptr = &CNEW_CONTEXT64 (core.new);
+ 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));
- c_regptr = &CNEW_MSTSAVE (core.new);
+ 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)
}
/* Sanity check on the c_tab field. */
- if (!CORE_NEW (core) && (c_loader < (file_ptr) sizeof core.old ||
- c_loader >= statbuf.st_size ||
- c_loader >= 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;
/* Issue warning if the core file was truncated during writing. */
if (c_flag & CORE_TRUNC)
- (*_bfd_error_handler) (_("%s: warning core file truncated"),
- bfd_get_filename (abfd));
+ _bfd_error_handler (_("%pB: warning core file truncated"), abfd);
/* Allocate core file header. */
- size = CORE_NEW (core) ? sizeof (core.new) : sizeof (core.old);
- tmpptr = (char *) bfd_zalloc (abfd, size);
+#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;
enum bfd_architecture arch;
unsigned long mach;
- switch (CNEW_IMPL (core.new))
+ switch (CNEW_IMPL (core.new_dump))
{
case POWER_RS1:
case POWER_RSC:
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. */
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.
(bfd_vma)
CDATA_ADDR (core.old.c_u.u_dsize),
c_stack + c_size))
- return NULL;
+ goto fail;
}
#endif
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;
if (CORE_NEW (core))
{
- c_datasize = CNEW_DATASIZE (core.new);
- c_data = (file_ptr) core.new.c_data;
- c_vmregions = core.new.c_vmregions;
- c_vmm = (file_ptr) core.new.c_vmm;
+ 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) 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;
}
+#endif
/* .data section from executable. */
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,
c_datasize,
- (bfd_vma) CDATA_ADDR (c_datasize),
+ (bfd_vma) core_dataorg,
c_data))
- return NULL;
+ goto fail;
}
/* .data sections from loaded objects. */
if (proc64)
- size = (int) ((LdInfo *) 0)->l64.ldinfo_filename;
+ size = (unsigned long) ((LdInfo *) 0)->l64.ldinfo_filename;
else
- size = (int) ((LdInfo *) 0)->l32.ldinfo_filename;
+ size = (unsigned long) ((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) (ptr_to_uint) 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++)
{
file_ptr vminfo_offset;
bfd_vma vminfo_addr;
- size = CORE_NEW (core) ? sizeof (vminfo.new) : sizeof (vminfo.old);
- if (bfd_read (&vminfo, size, 1, abfd) != size)
- return NULL;
+#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))
{
- vminfo_addr = (bfd_vma) vminfo.new.vminfo_addr;
- vminfo_size = vminfo.new.vminfo_size;
- vminfo_offset = vminfo.new.vminfo_offset;
+ 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) (long) vminfo.old.vminfo_addr;
+ 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))
- return NULL;
+ 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)
{
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);
+ c_loader = CNEW_LOADER (core.new_dump);
+#ifndef BFD64
else
- c_loader = (file_ptr) COLD_LOADER (core.old);
+ c_loader = (file_ptr) (ptr_to_uint) COLD_LOADER (core.old);
+#endif
- if (CORE_NEW (core) && CNEW_PROC64 (core.new))
+ if (CORE_NEW (core) && CNEW_PROC64 (core.new_dump))
size = (int) ((LdInfo *) 0)->l64.ldinfo_filename;
else
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;
}
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)
{
CoreHdr *core = core_hdr (abfd);
+#ifndef BFD64
char *com = CORE_NEW (*core) ?
- CNEW_COMM (core->new) : COLD_COMM (core->old);
+ CNEW_COMM (core->new_dump) : COLD_COMM (core->old);
+#else
+ char *com = CNEW_COMM (core->new_dump);
+#endif
if (*com)
return com;
}
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;
+#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 / deliverable / binutils-gdb.git / blobdiff