/* BFD back end for Lynx core files
- Copyright 1993 Free Software Foundation, Inc.
+ Copyright 1993, 1994, 1995, 2001, 2002, 2004, 2006
+ Free Software Foundation, Inc.
Written by Stu Grossman of Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
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 "bfd.h"
#include "sysdep.h"
#include <sys/conf.h>
#include <sys/kernel.h>
-/* sys/kernel.h should define this, but doesn't always, sigh. */
+/* sys/kernel.h should define this, but doesn't always, sigh. */
#ifndef __LYNXOS
#define __LYNXOS
#endif
/* These are stored in the bfd's tdata */
-struct lynx_core_struct
+struct lynx_core_struct
{
int sig;
char cmd[PNMLEN + 1];
#define core_signal(bfd) (core_hdr(bfd)->sig)
#define core_command(bfd) (core_hdr(bfd)->cmd)
+#define lynx_core_file_matches_executable_p generic_core_file_matches_executable_p
+
/* Handle Lynx core dump file. */
static asection *
-make_bfd_asection (abfd, name, flags, _raw_size, vma, filepos)
+make_bfd_asection (abfd, name, flags, size, vma, filepos)
bfd *abfd;
- CONST char *name;
+ const char *name;
flagword flags;
- bfd_size_type _raw_size;
+ bfd_size_type size;
bfd_vma vma;
file_ptr filepos;
{
asection *asect;
char *newname;
- newname = bfd_alloc (abfd, strlen (name) + 1);
+ newname = bfd_alloc (abfd, (bfd_size_type) strlen (name) + 1);
if (!newname)
return NULL;
strcpy (newname, name);
- asect = bfd_make_section (abfd, newname);
+ asect = bfd_make_section_with_flags (abfd, newname, 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 = 2;
return asect;
}
-/* ARGSUSED */
const bfd_target *
lynx_core_file_p (abfd)
bfd *abfd;
{
- int val;
int secnum;
struct pssentry pss;
- size_t tcontext_size;
+ bfd_size_type tcontext_size;
core_st_t *threadp;
int pagesize;
asection *newsect;
+ bfd_size_type amt;
pagesize = getpagesize (); /* Serious cross-target issue here... This
really needs to come from a system-specific
/* Get the pss entry from the core file */
- if (bfd_seek (abfd, 0, SEEK_SET) != 0)
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
return NULL;
- val = bfd_read ((void *)&pss, 1, sizeof pss, abfd);
- if (val != sizeof pss)
+ amt = sizeof pss;
+ if (bfd_bread ((void *) &pss, amt, abfd) != amt)
{
/* Too small to be a core file */
if (bfd_get_error () != bfd_error_system_call)
return NULL;
}
- core_hdr (abfd) = (struct lynx_core_struct *)
- bfd_zalloc (abfd, sizeof (struct lynx_core_struct));
+ amt = sizeof (struct lynx_core_struct);
+ core_hdr (abfd) = (struct lynx_core_struct *) bfd_zalloc (abfd, amt);
if (!core_hdr (abfd))
return NULL;
/* Allocate space for the thread contexts */
- threadp = (core_st_t *)bfd_alloc (abfd, tcontext_size);
+ threadp = (core_st_t *) bfd_alloc (abfd, tcontext_size);
if (!threadp)
- return NULL;
+ goto fail;
/* Save thread contexts */
- if (bfd_seek (abfd, pagesize, SEEK_SET) != 0)
- return NULL;
-
- val = bfd_read ((void *)threadp, pss.threadcnt, sizeof (core_st_t), abfd);
+ if (bfd_seek (abfd, (file_ptr) pagesize, SEEK_SET) != 0)
+ goto fail;
- if (val != tcontext_size)
+ if (bfd_bread ((void *) threadp, tcontext_size, abfd) != tcontext_size)
{
/* Probably too small to be a core file */
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
- return NULL;
+ goto fail;
}
-
+
core_signal (abfd) = threadp->currsig;
newsect = make_bfd_asection (abfd, ".stack",
pss.slimit,
pagesize + tcontext_size);
if (!newsect)
- return NULL;
+ goto fail;
newsect = make_bfd_asection (abfd, ".data",
SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
#endif
);
if (!newsect)
- return NULL;
+ goto fail;
/* And, now for the .reg/XXX pseudo sections. Each thread has it's own
.reg/XXX section, where XXX is the thread id (without leading zeros). The
0,
pagesize);
if (!newsect)
- return NULL;
+ goto fail;
for (secnum = 0; secnum < pss.threadcnt; secnum++)
{
0,
pagesize + secnum * sizeof (core_st_t));
if (!newsect)
- return NULL;
+ goto fail;
}
return abfd->xvec;
+
+ fail:
+ bfd_release (abfd, core_hdr (abfd));
+ core_hdr (abfd) = NULL;
+ bfd_section_list_clear (abfd);
+ return NULL;
}
char *
return core_command (abfd);
}
-/* ARGSUSED */
int
lynx_core_file_failing_signal (abfd)
bfd *abfd;
return core_signal (abfd);
}
-/* ARGSUSED */
-boolean
-lynx_core_file_matches_executable_p (core_bfd, exec_bfd)
- bfd *core_bfd, *exec_bfd;
-{
- return true; /* FIXME, We have no way of telling at this point */
-}
-
#endif /* LYNX_CORE */