/* BFD back end for Lynx core files
- Copyright 1993 Free Software Foundation, Inc.
+ Copyright 1993, 1994, 1995, 2001, 2002 Free Software Foundation, Inc.
Written by Stu Grossman of Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
#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];
static asection *
make_bfd_asection (abfd, name, flags, _raw_size, vma, filepos)
bfd *abfd;
- CONST char *name;
+ const char *name;
flagword flags;
bfd_size_type _raw_size;
bfd_vma vma;
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;
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
+bfd_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 */
+ return TRUE; /* FIXME, We have no way of telling at this point */
}
#endif /* LYNX_CORE */