/* BFD back end for traditional Unix core files (U-area and raw sections)
- Copyright 1988, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
+ Copyright (C) 1988-2019 Free Software Foundation, Inc.
Written by John Gilmore of Cygnus Support.
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-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. */
+ 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., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-/* To use this file on a particular host, configure the host with these
- parameters in the config/h-HOST file:
-
- HDEFINES=-DTRAD_CORE
- HDEPFILES=trad-core.o
-
- */
-
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
-#include "libaout.h" /* BFD a.out internal data structures */
+#include "libaout.h" /* BFD a.out internal data structures */
-#include <stdio.h>
-#include <sys/types.h>
#include <sys/param.h>
-#include <sys/dir.h>
+#ifdef HAVE_DIRENT_H
+# include <dirent.h>
+#else
+# ifdef HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif
+# ifdef HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif
+# ifdef HAVE_NDIR_H
+# include <ndir.h>
+# endif
+#endif
#include <signal.h>
#include <sys/user.h> /* After a.out.h */
-#if 0
-/* file.h is included by std-host.h. So we better not try to include it
- twice; on some systems (dpx2) it is not protected against multiple
- inclusion. I have checked that all the hosts which use this file
- include sys/file.h in the hosts file. */
-#include <sys/file.h>
+
+#ifdef TRAD_HEADER
+#include TRAD_HEADER
#endif
-#include <errno.h>
+#ifndef NBPG
+# define NBPG getpagesize()
+#endif
- struct trad_core_struct
- {
- asection *data_section;
- asection *stack_section;
- asection *reg_section;
- struct user u;
- } *rawptr;
-
-#define core_upage(bfd) (&((bfd)->tdata.trad_core_data->u))
-#define core_datasec(bfd) ((bfd)->tdata.trad_core_data->data_section)
+struct trad_core_struct
+{
+ asection *data_section;
+ asection *stack_section;
+ asection *reg_section;
+ struct user u;
+};
+
+#define core_upage(bfd) (&((bfd)->tdata.trad_core_data->u))
+#define core_datasec(bfd) ((bfd)->tdata.trad_core_data->data_section)
#define core_stacksec(bfd) ((bfd)->tdata.trad_core_data->stack_section)
-#define core_regsec(bfd) ((bfd)->tdata.trad_core_data->reg_section)
+#define core_regsec(bfd) ((bfd)->tdata.trad_core_data->reg_section)
/* forward declarations */
-bfd_target * trad_unix_core_file_p PARAMS ((bfd *abfd));
-char * trad_unix_core_file_failing_command PARAMS ((bfd *abfd));
-int trad_unix_core_file_failing_signal PARAMS ((bfd *abfd));
-boolean trad_unix_core_file_matches_executable_p
- PARAMS ((bfd *core_bfd, bfd *exec_bfd));
+#define trad_unix_core_file_matches_executable_p generic_core_file_matches_executable_p
+#define trad_unix_core_file_pid _bfd_nocore_core_file_pid
-/* Handle 4.2-style (and perhaps also sysV-style) core dump file. */
-/* ARGSUSED */
-bfd_target *
-trad_unix_core_file_p (abfd)
- bfd *abfd;
+/* Handle 4.2-style (and perhaps also sysV-style) core dump file. */
+static const bfd_target *
+trad_unix_core_file_p (bfd *abfd)
{
int val;
struct user u;
+ struct trad_core_struct *rawptr;
+ bfd_size_type amt;
+ flagword flags;
#ifdef TRAD_CORE_USER_OFFSET
/* If defined, this macro is the file position of the user struct. */
- if (bfd_seek (abfd, TRAD_CORE_USER_OFFSET, SEEK_SET) != 0)
+ if (bfd_seek (abfd, (file_ptr) TRAD_CORE_USER_OFFSET, SEEK_SET) != 0)
return 0;
#endif
-
- val = bfd_read ((void *)&u, 1, sizeof u, abfd);
+
+ val = bfd_bread ((void *) &u, (bfd_size_type) sizeof u, abfd);
if (val != sizeof u)
{
/* Too small to be a core file */
}
/* Sanity check perhaps??? */
- if (u.u_dsize > 0x1000000) /* Remember, it's in pages... */
+ if (u.u_dsize > 0x1000000) /* Remember, it's in pages... */
{
bfd_set_error (bfd_error_wrong_format);
return 0;
/* Check that the size claimed is no greater than the file size. */
{
- FILE *stream = bfd_cache_lookup (abfd);
struct stat statbuf;
- if (stream == NULL)
+
+ if (bfd_stat (abfd, &statbuf) < 0)
return 0;
- if (fstat (fileno (stream), &statbuf) < 0)
- {
- bfd_set_error (bfd_error_system_call);
- return 0;
- }
- if (NBPG * (UPAGES + u.u_dsize
+
+ if ((ufile_ptr) NBPG * (UPAGES + u.u_dsize
#ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE
- - u.u_tsize
+ - u.u_tsize
#endif
- + u.u_ssize) > statbuf.st_size)
+ + u.u_ssize)
+ > (ufile_ptr) statbuf.st_size)
{
- bfd_set_error (bfd_error_file_truncated);
+ bfd_set_error (bfd_error_wrong_format);
return 0;
}
#ifndef TRAD_CORE_ALLOW_ANY_EXTRA_SIZE
- if (NBPG * (UPAGES + u.u_dsize + u.u_ssize)
+ if (((ufile_ptr) NBPG * (UPAGES + u.u_dsize + u.u_ssize)
#ifdef TRAD_CORE_EXTRA_SIZE_ALLOWED
/* Some systems write the file too big. */
- + TRAD_CORE_EXTRA_SIZE_ALLOWED
+ + TRAD_CORE_EXTRA_SIZE_ALLOWED
#endif
- < statbuf.st_size)
+ )
+ < (ufile_ptr) statbuf.st_size)
{
/* The file is too big. Maybe it's not a core file
or we otherwise have bad values for u_dsize and u_ssize). */
/* 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));
- if (rawptr == NULL) {
- bfd_set_error (bfd_error_no_memory);
+ amt = sizeof (struct trad_core_struct);
+ rawptr = (struct trad_core_struct *) bfd_zmalloc (amt);
+ 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 *) bfd_zmalloc (sizeof (asection));
- if (core_datasec (abfd) == NULL) {
- loser1:
- free ((void *)core_stacksec (abfd));
- goto loser;
- }
- core_regsec (abfd) = (asection *) bfd_zmalloc (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)->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 = NBPG * u.u_dsize
+ /* 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;
+
+ core_datasec (abfd)->size = NBPG * u.u_dsize
#ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE
- NBPG * u.u_tsize
#endif
;
- core_stacksec (abfd)->_raw_size = NBPG * u.u_ssize;
- core_regsec (abfd)->_raw_size = NBPG * UPAGES; /* Larger than sizeof struct u */
+ core_stacksec (abfd)->size = NBPG * u.u_ssize;
+ core_regsec (abfd)->size = NBPG * UPAGES; /* Larger than sizeof struct u */
/* What a hack... we'd like to steal it from the exec file,
since the upage does not seem to provide it. FIXME. */
from *u_ar0. The other is that u_ar0 is sometimes an absolute address
in kernel memory, and on other systems it is an offset from the beginning
of the `struct user'.
-
+
As a practical matter, we don't know where the registers actually are,
so we have to pass the whole area to GDB. We encode the value of u_ar0
by setting the .regs section up so that its virtual memory address
0 is at the place pointed to by u_ar0 (by setting the vma of the start
of the section to -u_ar0). GDB uses this info to locate the regs,
- using minor trickery to get around the offset-or-absolute-addr problem. */
- core_regsec (abfd)->vma = 0 - (int) u.u_ar0;
+ using minor trickery to get around the offset-or-absolute-addr problem. */
+ core_regsec (abfd)->vma = - (bfd_vma) (unsigned long) u.u_ar0;
core_datasec (abfd)->filepos = NBPG * UPAGES;
core_stacksec (abfd)->filepos = (NBPG * UPAGES) + NBPG * u.u_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 *
-trad_unix_core_file_failing_command (abfd)
- bfd *abfd;
+static char *
+trad_unix_core_file_failing_command (bfd *abfd)
{
#ifndef NO_CORE_COMMAND
char *com = abfd->tdata.trad_core_data->u.u_comm;
return 0;
}
-/* ARGSUSED */
-int
-trad_unix_core_file_failing_signal (ignore_abfd)
- bfd *ignore_abfd;
+static int
+trad_unix_core_file_failing_signal (bfd *ignore_abfd ATTRIBUTE_UNUSED)
{
#ifdef TRAD_UNIX_CORE_FILE_FAILING_SIGNAL
return TRAD_UNIX_CORE_FILE_FAILING_SIGNAL(ignore_abfd);
return -1; /* FIXME, where is it? */
#endif
}
-
-/* ARGSUSED */
-boolean
-trad_unix_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 */
-}
\f
-/* No archive file support via this BFD */
-#define trad_unix_openr_next_archived_file bfd_generic_openr_next_archived_file
-#define trad_unix_generic_stat_arch_elt bfd_generic_stat_arch_elt
-#define trad_unix_slurp_armap bfd_false
-#define trad_unix_slurp_extended_name_table bfd_true
-#define trad_unix_write_armap (boolean (*) PARAMS \
- ((bfd *arch, unsigned int elength, struct orl *map, \
- unsigned int orl_count, int stridx))) bfd_false
-#define trad_unix_truncate_arname bfd_dont_truncate_arname
-#define aout_32_openr_next_archived_file bfd_generic_openr_next_archived_file
-
-#define trad_unix_close_and_cleanup bfd_generic_close_and_cleanup
-#define trad_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 trad_unix_get_section_contents bfd_generic_get_section_contents
-#define trad_unix_new_section_hook (boolean (*) PARAMS \
- ((bfd *, sec_ptr))) bfd_true
-#define trad_unix_get_symtab_upper_bound bfd_0u
-#define trad_unix_get_symtab (unsigned int (*) PARAMS \
- ((bfd *, struct symbol_cache_entry **))) bfd_0u
-#define trad_unix_get_reloc_upper_bound (unsigned int (*) PARAMS \
- ((bfd *, sec_ptr))) bfd_0u
-#define trad_unix_canonicalize_reloc (unsigned int (*) PARAMS \
- ((bfd *, sec_ptr, arelent **, struct symbol_cache_entry**))) bfd_0u
-#define trad_unix_make_empty_symbol (struct symbol_cache_entry * \
- (*) PARAMS ((bfd *))) bfd_false
-#define trad_unix_print_symbol (void (*) PARAMS \
- ((bfd *, PTR, struct symbol_cache_entry *, \
- bfd_print_symbol_type))) bfd_false
-#define trad_unix_get_symbol_info (void (*) PARAMS \
- ((bfd *, struct symbol_cache_entry *, \
- symbol_info *))) bfd_false
-#define trad_unix_get_lineno (alent * (*) PARAMS \
- ((bfd *, struct symbol_cache_entry *))) bfd_nullvoidptr
-#define trad_unix_set_arch_mach (boolean (*) PARAMS \
- ((bfd *, enum bfd_architecture, unsigned long))) bfd_false
-#define trad_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 trad_unix_sizeof_headers (int (*) PARAMS \
- ((bfd *, boolean))) bfd_0
-
-#define trad_unix_bfd_debug_info_start bfd_void
-#define trad_unix_bfd_debug_info_end bfd_void
-#define trad_unix_bfd_debug_info_accumulate (void (*) PARAMS \
- ((bfd *, struct sec *))) bfd_void
-#define trad_unix_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
-#define trad_unix_bfd_relax_section bfd_generic_relax_section
-#define trad_unix_bfd_reloc_type_lookup \
- ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
-#define trad_unix_bfd_make_debug_symbol \
- ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
-#define trad_unix_bfd_link_hash_table_create \
- ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
-#define trad_unix_bfd_link_add_symbols \
- ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
-#define trad_unix_bfd_final_link \
- ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
-
/* If somebody calls any byte-swapping routines, shoot them. */
-void
-swap_abort()
+static void
+swap_abort (void)
{
- 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 trad_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 core_trad_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),
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
- 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 */
+ 0, /* symbol prefix */
+ ' ', /* ar_pad_char */
+ 16, /* ar_max_namelen */
+ 0, /* match priority. */
+ 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 */
- trad_unix_core_file_p /* a core file */
+ _bfd_dummy_target, /* unknown format */
+ _bfd_dummy_target, /* object file */
+ _bfd_dummy_target, /* archive */
+ trad_unix_core_file_p /* a core file */
},
{ /* bfd_set_format */
- bfd_false, bfd_false,
- bfd_false, bfd_false
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error
},
{ /* bfd_write_contents */
- bfd_false, bfd_false,
- bfd_false, bfd_false
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error
},
-
- JUMP_TABLE(trad_unix),
- (PTR) 0 /* backend_data */
-};
+
+ BFD_JUMP_TABLE_GENERIC (_bfd_generic),
+ BFD_JUMP_TABLE_COPY (_bfd_generic),
+ BFD_JUMP_TABLE_CORE (trad_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,
+
+ NULL /* backend_data */
+ };
projects / deliverable / binutils-gdb.git / blobdiff