/* BFD backend for core files which use the ptrace_user structure
- Copyright 1993 Free Software Foundation, Inc.
+ Copyright 1993, 1994, 1995, 1996, 1998, 1999, 2001, 2002
+ Free Software Foundation, Inc.
The structure of this file is based on trad-core.c written by John Gilmore
of Cygnus Support.
Modified to work with the ptrace_user structure by Kevin A. Buettner.
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., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- To use this file on a particular host, configure the host with these
- parameters in the config/h-HOST file:
-
- HDEFINES=-DPTRACE_CORE
- HDEPFILES=ptrace-core.o
-
-*/
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifdef PTRACE_CORE
#include "sysdep.h"
#include "libbfd.h"
-#include <stdio.h>
-#include <sys/types.h>
#include <sys/param.h>
#include <sys/dir.h>
#include <signal.h>
-#include <errno.h>
-#include <unistd.h>
#include <sys/ptrace.h>
-
struct trad_core_struct
{
asection *data_section;
asection *stack_section;
asection *reg_section;
struct ptrace_user u;
- } *rawptr;
+ };
#define core_upage(bfd) (&((bfd)->tdata.trad_core_data->u))
#define core_datasec(bfd) ((bfd)->tdata.trad_core_data->data_section)
/* forward declarations */
-bfd_target * ptrace_unix_core_file_p PARAMS ((bfd *abfd));
+const bfd_target *ptrace_unix_core_file_p PARAMS ((bfd *abfd));
char * ptrace_unix_core_file_failing_command PARAMS ((bfd *abfd));
int ptrace_unix_core_file_failing_signal PARAMS ((bfd *abfd));
boolean ptrace_unix_core_file_matches_executable_p
PARAMS ((bfd *core_bfd, bfd *exec_bfd));
+static void swap_abort PARAMS ((void));
/* ARGSUSED */
-bfd_target *
+const bfd_target *
ptrace_unix_core_file_p (abfd)
bfd *abfd;
{
int val;
struct ptrace_user u;
+ struct trad_core_struct *rawptr;
+ bfd_size_type amt;
- val = bfd_read ((void *)&u, 1, sizeof u, abfd);
- if (val != sizeof u || u.pt_magic != _BCS_PTRACE_MAGIC
+ val = bfd_bread ((void *)&u, (bfd_size_type) sizeof u, abfd);
+ if (val != sizeof u || u.pt_magic != _BCS_PTRACE_MAGIC
|| u.pt_rev != _BCS_PTRACE_REV)
{
/* Too small to be a core file */
/* Allocate both the upage and the struct core_data at once, so
a single free() will free them both. */
- rawptr = (struct trad_core_struct *)
- bfd_zalloc (abfd, sizeof (struct trad_core_struct));
+ amt = sizeof (struct trad_core_struct);
+ rawptr = (struct trad_core_struct *) bfd_zalloc (abfd, amt);
- if (rawptr == NULL) {
- bfd_set_error (bfd_error_no_memory);
+ if (rawptr == NULL)
return 0;
- }
-
+
abfd->tdata.trad_core_data = rawptr;
rawptr->u = u; /*Copy the uarea into the tdata part of the bfd */
- /* Create the sections. This is raunchy, but bfd_close wants to free
- them separately. */
+ /* Create the sections. */
- core_stacksec(abfd) = (asection *) bfd_zmalloc (sizeof (asection));
- if (core_stacksec (abfd) == NULL) {
- loser:
- bfd_set_error (bfd_error_no_memory);
- free ((void *)rawptr);
- return 0;
- }
- core_datasec (abfd) = (asection *) zalloc (sizeof (asection));
- if (core_datasec (abfd) == NULL) {
- loser1:
- free ((void *)core_stacksec (abfd));
- goto loser;
- }
- core_regsec (abfd) = (asection *) zalloc (sizeof (asection));
- if (core_regsec (abfd) == NULL) {
- free ((void *)core_datasec (abfd));
- goto loser1;
- }
-
- core_stacksec (abfd)->name = ".stack";
- core_datasec (abfd)->name = ".data";
- core_regsec (abfd)->name = ".reg";
+ core_stacksec (abfd) = bfd_make_section_anyway (abfd, ".stack");
+ if (core_stacksec (abfd) == NULL)
+ goto fail;
+ core_datasec (abfd) = bfd_make_section_anyway (abfd, ".data");
+ if (core_datasec (abfd) == NULL)
+ goto fail;
+ core_regsec (abfd) = bfd_make_section_anyway (abfd, ".reg");
+ if (core_regsec (abfd) == NULL)
+ goto fail;
/* FIXME: Need to worry about shared memory, library data, and library
text. I don't think that any of these things are supported on the
- system on which I am developing this for though. */
-
+ system on which I am developing this for though. */
core_stacksec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
core_datasec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
- core_regsec (abfd)->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+ core_regsec (abfd)->flags = SEC_HAS_CONTENTS;
core_datasec (abfd)->_raw_size = u.pt_dsize;
core_stacksec (abfd)->_raw_size = u.pt_ssize;
- core_regsec (abfd)->_raw_size = sizeof(u);
+ core_regsec (abfd)->_raw_size = sizeof (u);
core_datasec (abfd)->vma = u.pt_o_data_start;
core_stacksec (abfd)->vma = USRSTACK - u.pt_ssize;
- core_regsec (abfd)->vma = 0 - sizeof(u); /* see trad-core.c */
+ core_regsec (abfd)->vma = 0 - sizeof (u); /* see trad-core.c */
core_datasec (abfd)->filepos = (int) u.pt_dataptr;
core_stacksec (abfd)->filepos = (int) (u.pt_dataptr + u.pt_dsize);
core_datasec (abfd)->alignment_power = 2;
core_regsec (abfd)->alignment_power = 2;
- abfd->sections = core_stacksec (abfd);
- core_stacksec (abfd)->next = core_datasec (abfd);
- core_datasec (abfd)->next = core_regsec (abfd);
- abfd->section_count = 3;
-
return abfd->xvec;
+
+ fail:
+ bfd_release (abfd, abfd->tdata.any);
+ abfd->tdata.any = NULL;
+ bfd_section_list_clear (abfd);
+ return NULL;
}
char *
ptrace_unix_core_file_matches_executable_p (core_bfd, exec_bfd)
bfd *core_bfd, *exec_bfd;
{
- /* FIXME: Use pt_timdat field of the ptrace_user structure to match
+ /* FIXME: Use pt_timdat field of the ptrace_user structure to match
the date of the executable */
return true;
}
\f
/* If somebody calls any byte-swapping routines, shoot them. */
-void
-swap_abort()
+static void
+swap_abort ()
{
- abort(); /* This way doesn't require any declaration for ANSI to fuck up */
+ abort (); /* This way doesn't require any declaration for ANSI to fuck up */
}
#define NO_GET ((bfd_vma (*) PARAMS (( const bfd_byte *))) swap_abort )
#define NO_PUT ((void (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort )
#define NO_SIGNED_GET \
((bfd_signed_vma (*) PARAMS ((const bfd_byte *))) swap_abort )
-bfd_target ptrace_core_vec =
+const bfd_target ptrace_core_vec =
{
"trad-core",
bfd_target_unknown_flavour,
- true, /* target byte order */
- true, /* target headers byte order */
+ BFD_ENDIAN_UNKNOWN, /* target byte order */
+ BFD_ENDIAN_UNKNOWN, /* target headers byte order */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
0, /* symbol prefix */
' ', /* ar_pad_char */
16, /* ar_max_namelen */
- 3, /* minimum alignment power */
NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit data */
NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit data */
NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit data */
bfd_false, bfd_false,
bfd_false, bfd_false
},
-
+
BFD_JUMP_TABLE_GENERIC (_bfd_generic),
BFD_JUMP_TABLE_COPY (_bfd_generic),
BFD_JUMP_TABLE_CORE (ptrace_unix),
BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
BFD_JUMP_TABLE_WRITE (_bfd_generic),
BFD_JUMP_TABLE_LINK (_bfd_nolink),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+ NULL,
(PTR) 0 /* backend_data */
};
projects / deliverable / binutils-gdb.git / blobdiff