/* 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, 2003, 2004, 2006
+ 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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));
-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));
+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));
+#define ptrace_unix_core_file_matches_executable_p generic_core_file_matches_executable_p
+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;
+ flagword flags;
- 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. */
-
- 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";
+ /* Create the sections. */
+
+ flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
+ core_stacksec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".stack",
+ flags);
+ if (core_stacksec (abfd) == NULL)
+ goto fail;
+ core_datasec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".data",
+ flags);
+ if (core_datasec (abfd) == NULL)
+ goto fail;
+ core_regsec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".reg",
+ SEC_HAS_CONTENTS);
+ 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_datasec (abfd)->_raw_size = u.pt_dsize;
- core_stacksec (abfd)->_raw_size = u.pt_ssize;
- core_regsec (abfd)->_raw_size = sizeof(u);
+ core_datasec (abfd)->size = u.pt_dsize;
+ core_stacksec (abfd)->size = u.pt_ssize;
+ core_regsec (abfd)->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 *
return 0;
}
-/* ARGSUSED */
int
ptrace_unix_core_file_failing_signal (abfd)
bfd *abfd;
{
return abfd->tdata.trad_core_data->u.pt_sigframe.sig_num;
}
-
-/* ARGSUSED */
-boolean
-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
- the date of the executable */
- return true;
-}
\f
-/* No archive file support via this BFD */
-#define ptrace_unix_openr_next_archived_file bfd_generic_openr_next_archived_file
-#define ptrace_unix_generic_stat_arch_elt bfd_generic_stat_arch_elt
-#define ptrace_unix_slurp_armap bfd_false
-#define ptrace_unix_slurp_extended_name_table bfd_true
-#define ptrace_unix_write_armap (boolean (*) PARAMS \
- ((bfd *arch, unsigned int elength, struct orl *map, \
- unsigned int orl_count, int stridx))) bfd_false
-#define ptrace_unix_truncate_arname bfd_dont_truncate_arname
-#define aout_32_openr_next_archived_file bfd_generic_openr_next_archived_file
-
-#define ptrace_unix_close_and_cleanup bfd_generic_close_and_cleanup
-#define ptrace_unix_set_section_contents (boolean (*) PARAMS \
- ((bfd *abfd, asection *section, PTR data, file_ptr offset, \
- bfd_size_type count))) bfd_generic_set_section_contents
-#define ptrace_unix_get_section_contents bfd_generic_get_section_contents
-#define ptrace_unix_new_section_hook (boolean (*) PARAMS \
- ((bfd *, sec_ptr))) bfd_true
-#define ptrace_unix_get_symtab_upper_bound bfd_0l
-#define ptrace_unix_get_symtab (long (*) PARAMS \
- ((bfd *, struct symbol_cache_entry **))) bfd_0l
-#define ptrace_unix_get_reloc_upper_bound (long (*) PARAMS \
- ((bfd *, sec_ptr))) bfd_0l
-#define ptrace_unix_canonicalize_reloc (long (*) PARAMS \
- ((bfd *, sec_ptr, arelent **, struct symbol_cache_entry**))) bfd_0l
-#define ptrace_unix_make_empty_symbol (struct symbol_cache_entry * \
- (*) PARAMS ((bfd *))) bfd_false
-#define ptrace_unix_print_symbol (void (*) PARAMS \
- ((bfd *, PTR, struct symbol_cache_entry *, \
- bfd_print_symbol_type))) bfd_false
-#define ptrace_unix_get_symbol_info (void (*) PARAMS \
- ((bfd *, struct symbol_cache_entry *, \
- symbol_info *))) bfd_false
-#define ptrace_unix_get_lineno (alent * (*) PARAMS \
- ((bfd *, struct symbol_cache_entry *))) bfd_nullvoidptr
-#define ptrace_unix_set_arch_mach (boolean (*) PARAMS \
- ((bfd *, enum bfd_architecture, unsigned long))) bfd_false
-#define ptrace_unix_find_nearest_line (boolean (*) PARAMS \
- ((bfd *abfd, struct sec *section, \
- struct symbol_cache_entry **symbols,bfd_vma offset, \
- CONST char **file, CONST char **func, unsigned int *line))) bfd_false
-#define ptrace_unix_sizeof_headers (int (*) PARAMS \
- ((bfd *, boolean))) bfd_0
-
-#define ptrace_unix_bfd_debug_info_start bfd_void
-#define ptrace_unix_bfd_debug_info_end bfd_void
-#define ptrace_unix_bfd_debug_info_accumulate (void (*) PARAMS \
- ((bfd *, struct sec *))) bfd_void
-#define ptrace_unix_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
-#define ptrace_unix_bfd_relax_section bfd_generic_relax_section
-#define ptrace_unix_bfd_reloc_type_lookup \
- ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
-#define ptrace_unix_bfd_make_debug_symbol \
- ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
-#define ptrace_unix_bfd_link_hash_table_create \
- ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
-#define ptrace_unix_bfd_link_add_symbols \
- ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
-#define ptrace_unix_bfd_final_link \
- ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
-#define ptrace_unix_bfd_copy_private_section_data \
- ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_false)
-#define ptrace_unix_bfd_copy_private_bfd_data \
- ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_false)
-#define ptrace_unix_bfd_is_local_label \
- ((boolean (*) PARAMS ((bfd *, asymbol *))) bfd_false)
-#define ptrace_unix_bfd_free_cached_info bfd_true
-
/* 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 =
+#define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
+#define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
+#define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort)
+#define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
+#define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
+#define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
+
+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 */
- NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit hdrs */
- NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit hdrs */
- NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit hdrs */
+ NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data */
+ NO_GET, NO_GETS, NO_PUT, /* 32 bit data */
+ NO_GET, NO_GETS, NO_PUT, /* 16 bit data */
+ NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs */
+ NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs */
+ NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs */
{ /* bfd_check_format */
- _bfd_dummy_target, /* unknown format */
- _bfd_dummy_target, /* object file */
- _bfd_dummy_target, /* archive */
- ptrace_unix_core_file_p /* a core file */
+ _bfd_dummy_target, /* unknown format */
+ _bfd_dummy_target, /* object file */
+ _bfd_dummy_target, /* archive */
+ ptrace_unix_core_file_p /* a core file */
},
{ /* bfd_set_format */
- bfd_false, bfd_false,
- bfd_false, bfd_false
+ bfd_false, bfd_false,
+ bfd_false, bfd_false
},
{ /* bfd_write_contents */
- bfd_false, bfd_false,
- bfd_false, bfd_false
+ bfd_false, bfd_false,
+ bfd_false, bfd_false
},
-
- JUMP_TABLE(ptrace_unix),
+
+ BFD_JUMP_TABLE_GENERIC (_bfd_generic),
+ BFD_JUMP_TABLE_COPY (_bfd_generic),
+ BFD_JUMP_TABLE_CORE (ptrace_unix),
+ BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
+ BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
+ 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 */
-};
+ };
#endif /* PTRACE_CORE */