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- /* BFD back end for NetBSD style core files
- Copyright 1988, 1989, 1991, 1992, 1993, 1996 Free Software Foundation, Inc.
- Written by Paul Kranenburg, EUR
-
- 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 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
- #include "bfd.h"
- #include "sysdep.h"
- #include "libbfd.h"
- #include "libaout.h" /* BFD a.out internal data structures */
-
- #include <stdio.h>
- #include <sys/types.h>
- #include <sys/param.h>
- #include <sys/dir.h>
- #include <signal.h>
- #include <sys/core.h>
- #include <errno.h>
-
- /*
- * FIXME: On NetBSD/sparc CORE_FPU_OFFSET should be (sizeof(struct trapframe))
- */
-
- struct netbsd_core_struct {
- struct core core;
- } *rawptr;
-
- /* forward declarations */
-
- static const bfd_target * netbsd_core_core_file_p PARAMS ((bfd *abfd));
- static char * netbsd_core_core_file_failing_command PARAMS ((bfd *abfd));
- static int netbsd_core_core_file_failing_signal PARAMS ((bfd *abfd));
- static boolean netbsd_core_core_file_matches_executable_p
- PARAMS ((bfd *core_bfd, bfd *exec_bfd));
-
- /* Handle NetBSD-style core dump file. */
-
- /* ARGSUSED */
- static const bfd_target *
- netbsd_core_core_file_p (abfd)
- bfd *abfd;
-
- {
- int i, val, offset;
- asection *asect, *asect2;
- struct core core;
- struct coreseg coreseg;
-
- val = bfd_read ((void *)&core, 1, sizeof core, abfd);
- if (val != sizeof core) {
- /* Too small to be a core file */
- bfd_set_error(bfd_error_wrong_format);
- return 0;
- }
-
- if (CORE_GETMAGIC(core) != COREMAGIC) {
- bfd_set_error(bfd_error_wrong_format);
- return 0;
- }
-
- rawptr = (struct netbsd_core_struct *)
- bfd_zalloc (abfd, sizeof (struct netbsd_core_struct));
- if (rawptr == NULL) {
- bfd_set_error(bfd_error_no_memory);
- return 0;
- }
-
- rawptr->core = core;
- abfd->tdata.netbsd_core_data = rawptr;
-
- offset = core.c_hdrsize;
- for (i = 0; i < core.c_nseg; i++) {
-
- if (bfd_seek (abfd, offset, SEEK_SET) != 0)
- goto punt;
-
- val = bfd_read ((void *)&coreseg, 1, sizeof coreseg, abfd);
- if (val != sizeof coreseg) {
- bfd_set_error(bfd_error_file_truncated);
- goto punt;
- }
- if (CORE_GETMAGIC(coreseg) != CORESEGMAGIC) {
- bfd_set_error(bfd_error_wrong_format);
- goto punt;
- }
-
- offset += core.c_seghdrsize;
-
- asect = (asection *) bfd_zalloc (abfd, sizeof(asection));
- if (asect == NULL) {
- bfd_set_error(bfd_error_no_memory);
- }
-
- asect->_raw_size = coreseg.c_size;
- asect->vma = coreseg.c_addr;
- asect->filepos = offset;
- asect->alignment_power = 2;
- asect->next = abfd->sections;
- abfd->sections = asect;
- abfd->section_count++;
- offset += coreseg.c_size;
-
- switch (CORE_GETFLAG(coreseg)) {
- case CORE_CPU:
- asect->name = ".reg";
- asect->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
- #ifdef CORE_FPU_OFFSET
- /* Hackish... */
- asect->_raw_size = CORE_FPU_OFFSET;
- asect2 = (asection *)bfd_zalloc (abfd,
- sizeof (asection));
- if (asect2 == NULL) {
- bfd_set_error(bfd_error_no_memory);
- goto punt;
- }
- asect2->_raw_size = coreseg.c_size - CORE_FPU_OFFSET;
- asect2->vma = 0;
- asect2->filepos = asect->filepos + CORE_FPU_OFFSET;
- asect2->alignment_power = 2;
- asect2->next = abfd->sections;
- asect2->name = ".reg2";
- asect2->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
- abfd->sections = asect2;
- abfd->section_count++;
- #endif
-
- break;
- case CORE_DATA:
- asect->name = ".data";
- asect->flags = SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS;
- break;
- case CORE_STACK:
- asect->name = ".stack";
- asect->flags = SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS;
- break;
- }
- }
-
- /* OK, we believe you. You're a core file (sure, sure). */
- return abfd->xvec;
-
- punt: {
- asection *anext;
- for (asect = abfd->sections; asect; asect = anext) {
- anext = asect->next;
- free((void *)asect);
- }
- }
- free ((void *)rawptr);
- abfd->tdata.netbsd_core_data = NULL;
- abfd->sections = NULL;
- abfd->section_count = 0;
- return 0;
- }
-
- static char*
- netbsd_core_core_file_failing_command (abfd)
- bfd *abfd;
- {
- /*return core_command (abfd);*/
- return abfd->tdata.netbsd_core_data->core.c_name;
- }
-
- /* ARGSUSED */
- static int
- netbsd_core_core_file_failing_signal (abfd)
- bfd *abfd;
- {
- /*return core_signal (abfd);*/
- return abfd->tdata.netbsd_core_data->core.c_signo;
- }
-
- /* ARGSUSED */
- static boolean
- netbsd_core_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 */
- }
-
- /* No archive file support via this BFD */
- #define netbsd_openr_next_archived_file bfd_generic_openr_next_archived_file
- #define netbsd_generic_stat_arch_elt bfd_generic_stat_arch_elt
- #define netbsd_slurp_armap bfd_false
- #define netbsd_slurp_extended_name_table bfd_true
- #define netbsd_write_armap (boolean (*) PARAMS \
- ((bfd *arch, unsigned int elength, struct orl *map, \
- unsigned int orl_count, int stridx))) bfd_false
- #define netbsd_truncate_arname bfd_dont_truncate_arname
- #define aout_32_openr_next_archived_file bfd_generic_openr_next_archived_file
-
- #define netbsd_close_and_cleanup bfd_generic_close_and_cleanup
- #define netbsd_set_section_contents (boolean (*) PARAMS \
- ((bfd *abfd, asection *section, PTR data, file_ptr offset, \
- bfd_size_type count))) bfd_false
- #define netbsd_get_section_contents bfd_generic_get_section_contents
- #define netbsd_new_section_hook (boolean (*) PARAMS \
- ((bfd *, sec_ptr))) bfd_true
- #define netbsd_get_symtab_upper_bound bfd_0u
- #define netbsd_get_symtab (unsigned int (*) PARAMS \
- ((bfd *, struct symbol_cache_entry **))) bfd_0u
- #define netbsd_get_reloc_upper_bound (unsigned int (*) PARAMS \
- ((bfd *, sec_ptr))) bfd_0u
- #define netbsd_canonicalize_reloc (unsigned int (*) PARAMS \
- ((bfd *, sec_ptr, arelent **, struct symbol_cache_entry**))) bfd_0u
- #define netbsd_make_empty_symbol (struct symbol_cache_entry * \
- (*) PARAMS ((bfd *))) bfd_false
- #define netbsd_print_symbol (void (*) PARAMS \
- ((bfd *, PTR, struct symbol_cache_entry *, \
- bfd_print_symbol_type))) bfd_false
- #define netbsd_get_symbol_info (void (*) PARAMS \
- ((bfd *, struct symbol_cache_entry *, \
- symbol_info *))) bfd_false
- #define netbsd_get_lineno (alent * (*) PARAMS \
- ((bfd *, struct symbol_cache_entry *))) bfd_nullvoidptr
- #define netbsd_set_arch_mach (boolean (*) PARAMS \
- ((bfd *, enum bfd_architecture, unsigned long))) bfd_false
- #define netbsd_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 netbsd_sizeof_headers (int (*) PARAMS \
- ((bfd *, boolean))) bfd_0
-
- #define netbsd_bfd_debug_info_start bfd_void
- #define netbsd_bfd_debug_info_end bfd_void
- #define netbsd_bfd_debug_info_accumulate (void (*) PARAMS \
- ((bfd *, struct sec *))) bfd_void
- #define netbsd_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
- #define netbsd_bfd_relax_section bfd_generic_relax_section
- #define netbsd_bfd_seclet_link \
- ((boolean (*) PARAMS ((bfd *, PTR, boolean))) bfd_false)
- #define netbsd_bfd_reloc_type_lookup \
- ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
- #define netbsd_bfd_make_debug_symbol \
- ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
-
- /* If somebody calls any byte-swapping routines, shoot them. */
- static void
- swap_abort()
- {
- 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 )
-
- const bfd_target netbsd_core_vec =
- {
- "netbsd-core",
- bfd_target_unknown_flavour,
- true, /* target byte order */
- true, /* target headers byte order */
- (HAS_RELOC | EXEC_P | /* object flags */
- HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | DYNAMIC | 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 */
- 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 */
-
- { /* bfd_check_format */
- _bfd_dummy_target, /* unknown format */
- _bfd_dummy_target, /* object file */
- _bfd_dummy_target, /* archive */
- netbsd_core_core_file_p /* a core file */
- },
- { /* bfd_set_format */
- bfd_false, bfd_false,
- bfd_false, bfd_false
- },
- { /* bfd_write_contents */
- bfd_false, bfd_false,
- bfd_false, bfd_false
- },
-
- BFD_JUMP_TABLE_GENERIC (_bfd_generic),
- BFD_JUMP_TABLE_COPY (_bfd_generic),
- BFD_JUMP_TABLE_CORE (netbsd_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),
-
- (PTR) 0 /* backend_data */
- };
-