/* IBM RS/6000 "XCOFF" back-end for BFD.
- Copyright 2001, 2002
- Free Software Foundation, Inc.
+ Copyright (C) 2001-2018 Free Software Foundation, Inc.
Written by Tom Rix
- Contributed by Redhat.
+ Contributed by Red Hat Inc.
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
+ 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,
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. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+#include "sysdep.h"
#include "bfd.h"
+const bfd_target *xcoff64_core_p (bfd *);
+bfd_boolean xcoff64_core_file_matches_executable_p (bfd *, bfd *);
+char *xcoff64_core_file_failing_command (bfd *);
+int xcoff64_core_file_failing_signal (bfd *);
+
#ifdef AIX_5_CORE
-#include "sysdep.h"
#include "libbfd.h"
-const bfd_target * xcoff64_core_p PARAMS ((bfd *));
-boolean xcoff64_core_file_matches_executable_p PARAMS ((bfd *, bfd *));
-char * xcoff64_core_file_failing_command PARAMS ((bfd *));
-int xcoff64_core_file_failing_signal PARAMS ((bfd *));
-
/* Aix 5.1 system include file. */
/* Need to define this macro so struct ld_info64 get included. */
#include <sys/ldr.h>
#include <core.h>
+/* The default architecture and machine for matching core files. */
+#define DEFAULT_ARCHITECTURE bfd_arch_powerpc
+#define DEFAULT_MACHINE bfd_mach_ppc_620
+
#define core_hdr(abfd) ((struct core_dumpxx *) abfd->tdata.any)
#define CHECK_FILE_OFFSET(s, v) \
((bfd_signed_vma)(v) < 0 || (bfd_signed_vma)(v) > (bfd_signed_vma)(s).st_size)
const bfd_target *
-xcoff64_core_p (abfd)
- bfd *abfd;
+xcoff64_core_p (bfd *abfd)
{
+ enum bfd_architecture arch;
+ unsigned long mach;
struct core_dumpxx core, *new_core_hdr;
struct stat statbuf;
asection *sec;
bfd_vma ld_offset;
bfd_size_type i;
struct vm_infox vminfo;
- bfd_target *return_value = NULL;
+ const bfd_target *return_value = NULL;
+ flagword flags;
/* Get the header. */
if (bfd_seek (abfd, 0, SEEK_SET) != 0)
goto xcoff64_core_p_error;
- if (sizeof (struct core_dumpxx)
- != bfd_read (&core, sizeof (struct core_dumpxx), 1, abfd))
+ if (sizeof (struct core_dumpxx)
+ != bfd_bread (&core, sizeof (struct core_dumpxx), abfd))
goto xcoff64_core_p_error;
- if (bfd_stat (abfd, &statbuf) < 0)
+ if (bfd_stat (abfd, &statbuf) < 0)
goto xcoff64_core_p_error;
/* Sanity checks
See rs6000-core.c for comment on size of core
If there isn't enough of a real core file, bail. */
- if ((CORE_VERSION_1 != (core.c_flag & CORE_VERSION_1))
- || (0 != core.c_entries)
- || (! (IS_PROC64 (&core.c_u.U_proc)))
- || ((CHECK_FILE_OFFSET (statbuf, core.c_fdsinfox)))
- || ((CHECK_FILE_OFFSET (statbuf, core.c_loader)))
- || ((CHECK_FILE_OFFSET (statbuf, core.c_loader + core.c_lsize)))
- || ((CHECK_FILE_OFFSET (statbuf, core.c_thr)))
- || ((CHECK_FILE_OFFSET (statbuf, core.c_segregion)))
- || ((CHECK_FILE_OFFSET (statbuf, core.c_stack)))
- || ((CHECK_FILE_OFFSET (statbuf, core.c_stack + core.c_size)))
- || ((CHECK_FILE_OFFSET (statbuf, core.c_data)))
- || ((CHECK_FILE_OFFSET (statbuf, core.c_data + core.c_datasize)))
- || (! (core.c_flag & UBLOCK_VALID))
- || (! (core.c_flag & LE_VALID)))
+ if ((CORE_VERSION_1 != (core.c_flag & CORE_VERSION_1))
+ || (0 != core.c_entries)
+ || (! (IS_PROC64 (&core.c_u.U_proc)))
+ || ((CHECK_FILE_OFFSET (statbuf, core.c_fdsinfox)))
+ || ((CHECK_FILE_OFFSET (statbuf, core.c_loader)))
+ || ((CHECK_FILE_OFFSET (statbuf, core.c_loader + core.c_lsize)))
+ || ((CHECK_FILE_OFFSET (statbuf, core.c_thr)))
+ || ((CHECK_FILE_OFFSET (statbuf, core.c_segregion)))
+ || ((CHECK_FILE_OFFSET (statbuf, core.c_stack)))
+ || ((CHECK_FILE_OFFSET (statbuf, core.c_stack + core.c_size)))
+ || ((CHECK_FILE_OFFSET (statbuf, core.c_data)))
+ || ((CHECK_FILE_OFFSET (statbuf, core.c_data + core.c_datasize)))
+ || (! (core.c_flag & UBLOCK_VALID))
+ || (! (core.c_flag & LE_VALID)))
goto xcoff64_core_p_error;
- /* Check for trucated stack or general truncating. */
- if ((! (core.c_flag & USTACK_VALID))
+ /* Check for truncated stack or general truncating. */
+ if ((! (core.c_flag & USTACK_VALID))
|| (core.c_flag & CORE_TRUNC))
{
bfd_set_error (bfd_error_file_truncated);
return return_value;
}
- new_core_hdr = (struct core_dumpxx *)
- bfd_zalloc (abfd, sizeof (struct core_dumpxx));
- if (NULL == new_core_hdr)
+ new_core_hdr = bfd_zalloc (abfd, sizeof (struct core_dumpxx));
+ if (NULL == new_core_hdr)
return return_value;
memcpy (new_core_hdr, &core, sizeof (struct core_dumpxx));
- core_hdr(abfd) = (char *)new_core_hdr;
+ /* The core_hdr() macro is no longer used here because it would
+ expand to code relying on gcc's cast-as-lvalue extension,
+ which was removed in gcc 4.0. */
+ abfd->tdata.any = new_core_hdr;
/* .stack section. */
- sec = bfd_make_section_anyway (abfd, ".stack");
- if (NULL == sec)
+ flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS;
+ sec = bfd_make_section_anyway_with_flags (abfd, ".stack", flags);
+ if (NULL == sec)
return return_value;
- sec->flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS;
- sec->_raw_size = core.c_size;
+ sec->size = core.c_size;
sec->vma = core.c_stackorg;
sec->filepos = core.c_stack;
/* .reg section for all registers. */
- sec = bfd_make_section_anyway (abfd, ".reg");
- if (NULL == sec)
+ flags = SEC_HAS_CONTENTS | SEC_IN_MEMORY;
+ sec = bfd_make_section_anyway_with_flags (abfd, ".reg", flags);
+ if (NULL == sec)
return return_value;
- sec->flags = SEC_HAS_CONTENTS | SEC_IN_MEMORY;
- sec->_raw_size = sizeof (struct __context64);
+ sec->size = sizeof (struct __context64);
sec->vma = 0;
sec->filepos = 0;
sec->contents = (bfd_byte *)&new_core_hdr->c_flt.r64;
/* .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
+ core dump would require going down the whole list of struct
ld_info's. See if we can just fake it. */
- sec = bfd_make_section_anyway (abfd, ".ldinfo");
+ flags = SEC_HAS_CONTENTS;
+ sec = bfd_make_section_anyway_with_flags (abfd, ".ldinfo", flags);
if (NULL == sec)
return return_value;
- sec->flags = SEC_HAS_CONTENTS;
- sec->_raw_size = core.c_lsize;
+ sec->size = core.c_lsize;
sec->vma = 0;
sec->filepos = core.c_loader;
/* AIX 4 adds data sections from loaded objects to the core file,
which can be found by examining ldinfo, and anonymously mmapped
regions. */
-
+
/* .data section from executable. */
- sec = bfd_make_section_anyway (abfd, ".data");
- if (NULL == sec)
+ flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS;
+ sec = bfd_make_section_anyway_with_flags (abfd, ".data", flags);
+ if (NULL == sec)
return return_value;
- sec->flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS;
- sec->_raw_size = core.c_datasize;
+ sec->size = core.c_datasize;
sec->vma = core.c_dataorg;
sec->filepos = core.c_data;
/* .data sections from loaded objects. */
ld_offset = core.c_loader;
-
- while (1)
+
+ while (1)
{
- if (bfd_seek (abfd, ld_offset, SEEK_SET) != 0)
+ if (bfd_seek (abfd, ld_offset, SEEK_SET) != 0)
return return_value;
if (sizeof (struct __ld_info64) !=
- bfd_read (&ldinfo, sizeof (struct __ld_info64), 1, abfd))
+ bfd_bread (&ldinfo, sizeof (struct __ld_info64), abfd))
return return_value;
- if (ldinfo.ldinfo_core)
+ if (ldinfo.ldinfo_core)
{
- sec = bfd_make_section_anyway (abfd, ".data");
- if (NULL == sec)
+ flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS;
+ sec = bfd_make_section_anyway_with_flags (abfd, ".data", flags);
+ if (NULL == sec)
return return_value;
- sec->flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS;
- sec->_raw_size = ldinfo.ldinfo_datasize;
+ sec->size = ldinfo.ldinfo_datasize;
sec->vma = ldinfo.ldinfo_dataorg;
sec->filepos = ldinfo.ldinfo_core;
}
}
/* .vmdata sections from anonymously mmapped regions. */
- if (core.c_vmregions)
+ if (core.c_vmregions)
{
- if (bfd_seek (abfd, core.c_vmm, SEEK_SET) != 0)
+ if (bfd_seek (abfd, core.c_vmm, SEEK_SET) != 0)
return return_value;
- for (i = 0; i < core.c_vmregions; i++)
+ for (i = 0; i < core.c_vmregions; i++)
if (sizeof (struct vm_infox) !=
- bfd_read (&vminfo, sizeof (struct vm_infox), 1, abfd))
+ bfd_bread (&vminfo, sizeof (struct vm_infox), abfd))
return return_value;
- if (vminfo.vminfo_offset)
+ if (vminfo.vminfo_offset)
{
- sec = bfd_make_section_anyway (abfd, ".vmdata");
- if (NULL == sec)
+ flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS;
+ sec = bfd_make_section_anyway_with_flags (abfd, ".vmdata", flags);
+ if (NULL == sec)
return return_value;
- sec->flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS;
- sec->_raw_size = vminfo.vminfo_size;
+ sec->size = vminfo.vminfo_size;
sec->vma = vminfo.vminfo_addr;
sec->filepos = vminfo.vminfo_offset;
}
}
- return_value = abfd->xvec; /* This is garbage for now. */
-
+ /* Set the architecture and machine. */
+ arch = DEFAULT_ARCHITECTURE;
+ mach = DEFAULT_MACHINE;
+ bfd_default_set_arch_mach (abfd, arch, mach);
+
+ return_value = (bfd_target *) abfd->xvec; /* This is garbage for now. */
+
xcoff64_core_p_error:
- if (bfd_get_error () != bfd_error_system_call)
+ if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
-
+
return return_value;
}
-/* Return `true' if given core is from the given executable. */
+/* Return `TRUE' if given core is from the given executable. */
-boolean
-xcoff64_core_file_matches_executable_p (core_bfd, exec_bfd)
- bfd *core_bfd;
- bfd *exec_bfd;
+bfd_boolean
+xcoff64_core_file_matches_executable_p (bfd *core_bfd, bfd *exec_bfd)
{
struct core_dumpxx core;
char *path, *s;
size_t alloc;
const char *str1, *str2;
- boolean return_value = false;
+ bfd_boolean return_value = FALSE;
/* Get the header. */
- if (bfd_seek (core_bfd, 0, SEEK_SET) != 0)
+ if (bfd_seek (core_bfd, 0, SEEK_SET) != 0)
return return_value;
-
+
if (sizeof (struct core_dumpxx) !=
- bfd_read (&core, sizeof (struct core_dumpxx), 1, core_bfd))
+ bfd_bread (&core, sizeof (struct core_dumpxx), core_bfd))
return return_value;
- if (bfd_seek (core_bfd, core.c_loader, SEEK_SET) != 0)
+ if (bfd_seek (core_bfd, core.c_loader, SEEK_SET) != 0)
return return_value;
alloc = 100;
path = bfd_malloc (alloc);
- if (path == NULL)
+ if (path == NULL)
return return_value;
s = path;
while (1)
{
- if (bfd_read (s, 1, 1, core_bfd) != 1)
+ if (bfd_bread (s, 1, core_bfd) != 1)
goto xcoff64_core_file_matches_executable_p_end_1;
if (*s == '\0')
break;
++s;
- if (s == path + alloc)
+ if (s == path + alloc)
{
char *n;
alloc *= 2;
n = bfd_realloc (path, alloc);
- if (n == NULL)
+ if (n == NULL)
goto xcoff64_core_file_matches_executable_p_end_1;
s = n + (path - s);
str1 = str1 != NULL ? str1 + 1 : path;
str2 = str2 != NULL ? str2 + 1 : exec_bfd->filename;
- if (strcmp (str1, str2) == 0)
- return_value = true;
+ if (strcmp (str1, str2) == 0)
+ return_value = TRUE;
xcoff64_core_file_matches_executable_p_end_1:
free (path);
}
char *
-xcoff64_core_file_failing_command (abfd)
- bfd *abfd;
+xcoff64_core_file_failing_command (bfd *abfd)
{
struct core_dumpxx *c = core_hdr (abfd);
char *return_value = 0;
- if (NULL != c)
+ if (NULL != c)
return_value = c->c_u.U_proc.pi_comm;
return return_value;
}
int
-xcoff64_core_file_failing_signal (abfd)
- bfd *abfd;
+xcoff64_core_file_failing_signal (bfd *abfd)
{
struct core_dumpxx *c = core_hdr (abfd);
int return_value = 0;
- if (NULL != c)
+ if (NULL != c)
return_value = c->c_signo;
return return_value;
#else /* AIX_5_CORE */
-const bfd_target * xcoff64_core_p PARAMS ((bfd *));
-boolean xcoff64_core_file_matches_executable_p PARAMS ((bfd *, bfd *));
-char * xcoff64_core_file_failing_command PARAMS ((bfd *));
-int xcoff64_core_file_failing_signal PARAMS ((bfd *));
-
const bfd_target *
-xcoff64_core_p (abfd)
- bfd *abfd ATTRIBUTE_UNUSED;
+xcoff64_core_p (bfd *abfd ATTRIBUTE_UNUSED)
{
bfd_set_error (bfd_error_wrong_format);
return 0;
}
-boolean
-xcoff64_core_file_matches_executable_p (core_bfd, exec_bfd)
- bfd *core_bfd ATTRIBUTE_UNUSED;
- bfd *exec_bfd ATTRIBUTE_UNUSED;
+bfd_boolean
+xcoff64_core_file_matches_executable_p (bfd *core_bfd, bfd *exec_bfd)
{
- return false;
+ return generic_core_file_matches_executable_p (core_bfd, exec_bfd);
}
char *
-xcoff64_core_file_failing_command (abfd)
- bfd *abfd ATTRIBUTE_UNUSED;
+xcoff64_core_file_failing_command (bfd *abfd ATTRIBUTE_UNUSED)
{
return 0;
}
int
-xcoff64_core_file_failing_signal (abfd)
- bfd *abfd ATTRIBUTE_UNUSED;
+xcoff64_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED)
{
return 0;
}