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-rw-r--r--bfd/osf-core.c298
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diff --git a/bfd/osf-core.c b/bfd/osf-core.c
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+/* BFD back-end for OSF/1 core files.
+ Copyright 1993 Free Software Foundation, Inc.
+
+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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* This file can only be compiled on systems which use OSF/1 style
+ core files. In the config/XXXXXX.mh file for such a system add
+ HDEFINES=-DOSF_CORE
+ HDEPFILES=osf-core.o
+ */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <sys/user.h>
+#include <sys/core.h>
+
+/* forward declarations */
+
+static asection *
+make_bfd_asection PARAMS ((bfd *, CONST char *, flagword, bfd_size_type,
+ bfd_vma, file_ptr));
+static asymbol *
+osf_core_make_empty_symbol PARAMS ((bfd *));
+static bfd_target *
+osf_core_core_file_p PARAMS ((bfd *));
+static char *
+osf_core_core_file_failing_command PARAMS ((bfd *));
+static int
+osf_core_core_file_failing_signal PARAMS ((bfd *));
+static boolean
+osf_core_core_file_matches_executable_p PARAMS ((bfd *, bfd *));
+static void
+swap_abort PARAMS ((void));
+
+/* These are stored in the bfd's tdata */
+
+struct osf_core_struct
+{
+ int sig;
+ char cmd[MAXCOMLEN + 1];
+};
+
+#define core_hdr(bfd) ((bfd)->tdata.osf_core_data)
+#define core_signal(bfd) (core_hdr(bfd)->sig)
+#define core_command(bfd) (core_hdr(bfd)->cmd)
+
+static asection *
+make_bfd_asection (abfd, name, flags, _raw_size, vma, filepos)
+ bfd *abfd;
+ CONST char *name;
+ flagword flags;
+ bfd_size_type _raw_size;
+ bfd_vma vma;
+ file_ptr filepos;
+{
+ asection *asect;
+
+ asect = bfd_make_section (abfd, name);
+ if (!asect)
+ return NULL;
+
+ asect->flags = flags;
+ asect->_raw_size = _raw_size;
+ asect->vma = vma;
+ asect->filepos = filepos;
+ asect->alignment_power = 8;
+
+ return asect;
+}
+
+static asymbol *
+osf_core_make_empty_symbol (abfd)
+ bfd *abfd;
+{
+ asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
+ new->the_bfd = abfd;
+ return new;
+}
+
+static bfd_target *
+osf_core_core_file_p (abfd)
+ bfd *abfd;
+{
+ int val;
+ int i;
+ char *secname;
+ struct core_filehdr core_header;
+ int dseccnt = 0;
+
+ val = bfd_read ((PTR)&core_header, 1, sizeof core_header, abfd);
+ if (val != sizeof core_header)
+ return NULL;
+
+ if (strncmp (core_header.magic, "Core", 4) != 0)
+ return NULL;
+
+ core_hdr (abfd) = (struct osf_core_struct *)
+ bfd_zalloc (abfd, sizeof (struct osf_core_struct));
+ if (!core_hdr (abfd))
+ return NULL;
+
+ strncpy (core_command (abfd), core_header.name, MAXCOMLEN + 1);
+ core_signal (abfd) = core_header.signo;
+
+ for (i = 0; i < core_header.nscns; i++)
+ {
+ struct core_scnhdr core_scnhdr;
+
+ val = bfd_read ((PTR)&core_scnhdr, 1, sizeof core_scnhdr, abfd);
+ if (val != sizeof core_scnhdr)
+ break;
+
+ /* Skip empty sections. */
+ if (core_scnhdr.size == 0 || core_scnhdr.scnptr == 0)
+ continue;
+
+ switch (core_scnhdr.scntype)
+ {
+ case SCNRGN:
+ /* OSF/1 has multiple data sections (data, bss and data/bss sections
+ for shared libraries), but bfd doesn't permit data sections with
+ the same name. Construct a unique section name. */
+ secname = bfd_alloc (abfd, 40);
+ sprintf (secname, ".data%d", dseccnt++);
+ break;
+ case SCNSTACK:
+ secname = ".stack";
+ break;
+ case SCNREGS:
+ secname = ".reg";
+ break;
+ default:
+ fprintf (stderr, "Unhandled OSF/1 core file section type %d\n",
+ core_scnhdr.scntype);
+ continue;
+ }
+
+ if (!make_bfd_asection (abfd, secname,
+ SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS,
+ (bfd_size_type) core_scnhdr.size,
+ (bfd_vma) core_scnhdr.vaddr,
+ (file_ptr) core_scnhdr.scnptr))
+ return NULL;
+ }
+
+ /* OK, we believe you. You're a core file (sure, sure). */
+
+ return abfd->xvec;
+}
+
+static char *
+osf_core_core_file_failing_command (abfd)
+ bfd *abfd;
+{
+ return core_command (abfd);
+}
+
+/* ARGSUSED */
+static int
+osf_core_core_file_failing_signal (abfd)
+ bfd *abfd;
+{
+ return core_signal (abfd);
+}
+
+/* ARGSUSED */
+static boolean
+osf_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 osf_core_openr_next_archived_file bfd_generic_openr_next_archived_file
+#define osf_core_generic_stat_arch_elt bfd_generic_stat_arch_elt
+#define osf_core_slurp_armap bfd_false
+#define osf_core_slurp_extended_name_table bfd_true
+#define osf_core_write_armap (boolean (*) PARAMS \
+ ((bfd *arch, unsigned int elength, struct orl *map, \
+ unsigned int orl_count, int stridx))) bfd_false
+#define osf_core_truncate_arname bfd_dont_truncate_arname
+
+#define osf_core_close_and_cleanup bfd_generic_close_and_cleanup
+#define osf_core_set_section_contents (boolean (*) PARAMS \
+ ((bfd *abfd, asection *section, PTR data, file_ptr offset, \
+ bfd_size_type count))) bfd_false
+#define osf_core_get_section_contents bfd_generic_get_section_contents
+#define osf_core_new_section_hook (boolean (*) PARAMS \
+ ((bfd *, sec_ptr))) bfd_true
+#define osf_core_get_symtab_upper_bound bfd_0u
+#define osf_core_get_symtab (unsigned int (*) PARAMS \
+ ((bfd *, struct symbol_cache_entry **))) bfd_0u
+#define osf_core_get_reloc_upper_bound (unsigned int (*) PARAMS \
+ ((bfd *, sec_ptr))) bfd_0u
+#define osf_core_canonicalize_reloc (unsigned int (*) PARAMS \
+ ((bfd *, sec_ptr, arelent **, struct symbol_cache_entry**))) bfd_0u
+#define osf_core_print_symbol (void (*) PARAMS \
+ ((bfd *, PTR, struct symbol_cache_entry *, \
+ bfd_print_symbol_type))) bfd_false
+#define osf_core_get_symbol_info (void (*) PARAMS \
+ ((bfd *, struct symbol_cache_entry *, \
+ symbol_info *))) bfd_false
+#define osf_core_get_lineno (alent * (*) PARAMS \
+ ((bfd *, struct symbol_cache_entry *))) bfd_nullvoidptr
+#define osf_core_set_arch_mach (boolean (*) PARAMS \
+ ((bfd *, enum bfd_architecture, unsigned long))) bfd_false
+#define osf_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 osf_core_sizeof_headers (int (*) PARAMS \
+ ((bfd *, boolean))) bfd_0
+
+#define osf_core_bfd_debug_info_start bfd_void
+#define osf_core_bfd_debug_info_end bfd_void
+#define osf_core_bfd_debug_info_accumulate (void (*) PARAMS \
+ ((bfd *, struct sec *))) bfd_void
+#define osf_core_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
+#define osf_core_bfd_relax_section bfd_generic_relax_section
+#define osf_core_bfd_reloc_type_lookup \
+ ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
+#define osf_core_bfd_make_debug_symbol \
+ ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
+#define osf_core_bfd_link_hash_table_create \
+ ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
+#define osf_core_bfd_link_add_symbols \
+ ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
+#define osf_core_bfd_final_link \
+ ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
+
+/* 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 (( bfd_byte *))) swap_abort )
+#define NO_PUT ((void (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort )
+#define NO_SIGNED_GET ((bfd_signed_vma (*) PARAMS ((bfd_byte *))) swap_abort )
+
+bfd_target osf_core_vec =
+ {
+ "osf-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 | 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 */
+ osf_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
+ },
+
+ JUMP_TABLE(osf_core),
+ (PTR) 0 /* backend_data */
+};
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