--- /dev/null
+/* BFD back end for NetBSD style core files
+ Copyright 1988, 1989, 1991, 1992, 1993 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 */
+}
+\f
+/* 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 */
+ 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 */
+
+ { /* 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 */
+};
projects / binutils-gdb.git / commitdiff