/* BFD back-end for Irix core files.
- Copyright 1993 Free Software Foundation, Inc.
+ Copyright 1993, 1994, 1996, 1999, 2001, 2002
+ Free Software Foundation, Inc.
Written by Stu Grossman, Cygnus Support.
Converted to back-end form by Ian Lance Taylor, Cygnus Support
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. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* This file can only be compiled on systems which use Irix style core
- files (namely, Irix 4 and Irix 5, so far). In the config/XXXXXX.mh
- file for such a system add
- HDEFINES=-DIRIX_CORE
- HDEPFILES=irix-core.o
- */
+ files (namely, Irix 4 and Irix 5, so far). */
#include "bfd.h"
#include "sysdep.h"
#include <core.out.h>
-struct sgi_core_struct
+struct sgi_core_struct
{
int sig;
char cmd[CORE_NAMESIZE];
#define core_signal(bfd) (core_hdr(bfd)->sig)
#define core_command(bfd) (core_hdr(bfd)->cmd)
+static asection *make_bfd_asection
+ PARAMS ((bfd *, const char *, flagword, bfd_size_type, bfd_vma, file_ptr));
+static const bfd_target *irix_core_core_file_p PARAMS ((bfd *));
+static char *irix_core_core_file_failing_command PARAMS ((bfd *));
+static int irix_core_core_file_failing_signal PARAMS ((bfd *));
+static boolean irix_core_core_file_matches_executable_p
+ PARAMS ((bfd *, bfd *));
+static void swap_abort PARAMS ((void));
+
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;
return asect;
}
-static bfd_target *
+static const bfd_target *
irix_core_core_file_p (abfd)
bfd *abfd;
{
char *secname;
struct coreout coreout;
struct idesc *idg, *idf, *ids;
+ bfd_size_type amt;
- val = bfd_read ((PTR)&coreout, 1, sizeof coreout, abfd);
+ val = bfd_bread ((PTR) &coreout, (bfd_size_type) sizeof coreout, abfd);
if (val != sizeof coreout)
- return 0;
+ {
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
+ return 0;
+ }
- if (coreout.c_magic != CORE_MAGIC
+#ifndef CORE_MAGICN32
+#define CORE_MAGICN32 CORE_MAGIC
+#endif
+ if ((coreout.c_magic != CORE_MAGIC && coreout.c_magic != CORE_MAGICN32)
|| coreout.c_version != CORE_VERSION1)
return 0;
- core_hdr (abfd) = (struct sgi_core_struct *) bfd_zalloc (abfd, sizeof (struct sgi_core_struct));
+ amt = sizeof (struct sgi_core_struct);
+ core_hdr (abfd) = (struct sgi_core_struct *) bfd_zalloc (abfd, amt);
if (!core_hdr (abfd))
return NULL;
strncpy (core_command (abfd), coreout.c_name, CORE_NAMESIZE);
core_signal (abfd) = coreout.c_sigcause;
- bfd_seek (abfd, coreout.c_vmapoffset, SEEK_SET);
+ if (bfd_seek (abfd, coreout.c_vmapoffset, SEEK_SET) != 0)
+ goto fail;
for (i = 0; i < coreout.c_nvmap; i++)
{
struct vmap vmap;
- val = bfd_read ((PTR)&vmap, 1, sizeof vmap, abfd);
+ val = bfd_bread ((PTR) &vmap, (bfd_size_type) sizeof vmap, abfd);
if (val != sizeof vmap)
break;
continue;
}
+ /* A file offset of zero means that the section is not contained
+ in the corefile. */
+ if (vmap.v_offset == 0)
+ continue;
+
if (!make_bfd_asection (abfd, secname,
SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS,
vmap.v_len,
vmap.v_vaddr,
- vmap.v_offset,
- 2))
- return NULL;
+ vmap.v_offset))
+ goto fail;
}
/* Make sure that the regs are contiguous within the core file. */
if (idg->i_offset + idg->i_len != idf->i_offset
|| idf->i_offset + idf->i_len != ids->i_offset)
- return 0; /* Can't deal with non-contig regs */
+ goto fail; /* Can't deal with non-contig regs */
- bfd_seek (abfd, idg->i_offset, SEEK_SET);
+ if (bfd_seek (abfd, idg->i_offset, SEEK_SET) != 0)
+ goto fail;
- make_bfd_asection (abfd, ".reg",
- SEC_ALLOC+SEC_HAS_CONTENTS,
- idg->i_len + idf->i_len + ids->i_len,
- 0,
- idg->i_offset);
+ if (!make_bfd_asection (abfd, ".reg",
+ SEC_HAS_CONTENTS,
+ idg->i_len + idf->i_len + ids->i_len,
+ 0,
+ idg->i_offset))
+ goto fail;
/* OK, we believe you. You're a core file (sure, sure). */
+ bfd_default_set_arch_mach (abfd, bfd_arch_mips, 0);
return abfd->xvec;
+
+ fail:
+ bfd_release (abfd, core_hdr (abfd));
+ core_hdr (abfd) = NULL;
+ bfd_section_list_clear (abfd);
+ return NULL;
}
static char *
return true; /* XXX - FIXME */
}
-static asymbol *
-irix_core_make_empty_symbol (abfd)
- bfd *abfd;
-{
- asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
- if (new)
- new->the_bfd = abfd;
- return new;
-}
-
-#define irix_core_openr_next_archived_file bfd_generic_openr_next_archived_file
-#define irix_core_generic_stat_arch_elt bfd_generic_stat_arch_elt
-#define irix_core_slurp_armap bfd_false
-#define irix_core_slurp_extended_name_table bfd_true
-#define irix_core_write_armap (boolean (*) PARAMS \
- ((bfd *arch, unsigned int elength, struct orl *map, \
- unsigned int orl_count, int stridx))) bfd_false
-#define irix_core_truncate_arname bfd_dont_truncate_arname
-
-#define irix_core_close_and_cleanup bfd_generic_close_and_cleanup
-#define irix_core_set_section_contents (boolean (*) PARAMS \
- ((bfd *abfd, asection *section, PTR data, file_ptr offset, \
- bfd_size_type count))) bfd_generic_set_section_contents
-#define irix_core_get_section_contents bfd_generic_get_section_contents
-#define irix_core_new_section_hook (boolean (*) PARAMS \
- ((bfd *, sec_ptr))) bfd_true
-#define irix_core_get_symtab_upper_bound bfd_0l
-#define irix_core_get_symtab (long (*) PARAMS \
- ((bfd *, struct symbol_cache_entry **))) bfd_0l
-#define irix_core_get_reloc_upper_bound (long (*) PARAMS \
- ((bfd *, sec_ptr))) bfd_0l
-#define irix_core_canonicalize_reloc (long (*) PARAMS \
- ((bfd *, sec_ptr, arelent **, struct symbol_cache_entry**))) bfd_0l
-#define irix_core_print_symbol (void (*) PARAMS \
- ((bfd *, PTR, struct symbol_cache_entry *, \
- bfd_print_symbol_type))) bfd_false
-#define irix_core_get_symbol_info (void (*) PARAMS \
- ((bfd *, struct symbol_cache_entry *, \
- symbol_info *))) bfd_false
-#define irix_core_get_lineno (alent * (*) PARAMS \
- ((bfd *, struct symbol_cache_entry *))) bfd_nullvoidptr
-#define irix_core_set_arch_mach (boolean (*) PARAMS \
- ((bfd *, enum bfd_architecture, unsigned long))) bfd_false
-#define irix_core_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 irix_core_sizeof_headers (int (*) PARAMS \
- ((bfd *, boolean))) bfd_0
-
-#define irix_core_bfd_debug_info_start bfd_void
-#define irix_core_bfd_debug_info_end bfd_void
-#define irix_core_bfd_debug_info_accumulate (void (*) PARAMS \
- ((bfd *, struct sec *))) bfd_void
-#define irix_core_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
-#define irix_core_bfd_relax_section bfd_generic_relax_section
-#define irix_core_bfd_reloc_type_lookup \
- ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
-#define irix_core_bfd_make_debug_symbol \
- ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
-#define irix_core_bfd_link_hash_table_create \
- ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
-#define irix_core_bfd_link_add_symbols \
- ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
-#define irix_core_bfd_final_link \
- ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
-
-#define irix_core_bfd_copy_private_section_data \
- ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_false)
-#define irix_core_bfd_copy_private_bfd_data \
- ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_false)
-#define irix_core_bfd_is_local_label \
- ((boolean (*) PARAMS ((bfd *, asymbol *))) bfd_false)
-#define irix_core_bfd_free_cached_info bfd_true
-
/* If somebody calls any byte-swapping routines, shoot them. */
-void
+static void
swap_abort()
{
abort(); /* This way doesn't require any declaration for ANSI to fuck up */
#define NO_SIGNED_GET \
((bfd_signed_vma (*) PARAMS ((const bfd_byte *))) swap_abort )
-bfd_target irix_core_vec =
+const bfd_target irix_core_vec =
{
"irix-core",
bfd_target_unknown_flavour,
- true, /* target byte order */
- true, /* target headers byte order */
+ BFD_ENDIAN_BIG, /* target byte order */
+ BFD_ENDIAN_BIG, /* 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
},
-
- JUMP_TABLE(irix_core),
+
+ BFD_JUMP_TABLE_GENERIC (_bfd_generic),
+ BFD_JUMP_TABLE_COPY (_bfd_generic),
+ BFD_JUMP_TABLE_CORE (irix_core),
+ 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 */
};
projects / deliverable / binutils-gdb.git / blobdiff