home *** CD-ROM | disk | FTP | other *** search
- /* BFD back-end for HP/UX core files.
- Copyright 1993 Free Software Foundation, Inc.
- Written by Stu Grossman, Cygnus Support.
- Converted to back-end form by Ian Lance Taylor, Cygnus SUpport
-
- 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 HP/UX style
- core files. In the config/XXXXXX.mh file for such a system add
- HDEFINES=-DHPUX_CORE
- HDEPFILES=hpux-core.o
- */
-
- #include "bfd.h"
- #include "sysdep.h"
- #include "libbfd.h"
-
- #if defined (HOST_HPPAHPUX) || defined (HOST_HP300HPUX)
-
- /* FIXME: sys/core.h doesn't exist for HPUX version 7. HPUX version
- 5, 6, and 7 core files seem to be standard trad-core.c type core
- files; can we just use trad-core.c in addition to this file? */
-
- #include <sys/core.h>
- #include <sys/utsname.h>
-
- #endif /* HOST_HPPAHPUX */
-
- #ifdef HOST_HPPABSD
-
- /* Not a very swift place to put it, but that's where the BSD port
- puts them. */
- #include "/hpux/usr/include/sys/core.h"
-
- #endif /* HOST_HPPABSD */
-
- #include <stdio.h>
- #include <sys/types.h>
- #include <sys/param.h>
- #include <sys/dir.h>
- #include <signal.h>
- #include <machine/reg.h>
- #include <sys/user.h> /* After a.out.h */
- #include <sys/file.h>
- #include <errno.h>
-
- /* These are stored in the bfd's tdata */
-
- struct hpux_core_struct
- {
- int sig;
- char cmd[MAXCOMLEN + 1];
- asection *data_section;
- asection *stack_section;
- asection *reg_section;
- };
-
- #define core_hdr(bfd) ((bfd)->tdata.hpux_core_data)
- #define core_signal(bfd) (core_hdr(bfd)->sig)
- #define core_command(bfd) (core_hdr(bfd)->cmd)
- #define core_datasec(bfd) (core_hdr(bfd)->data_section)
- #define core_stacksec(bfd) (core_hdr(bfd)->stack_section)
- #define core_regsec(bfd) (core_hdr(bfd)->reg_section)
-
- static asection *
- make_bfd_asection (abfd, name, flags, _raw_size, vma, alignment_power)
- bfd *abfd;
- CONST char *name;
- flagword flags;
- bfd_size_type _raw_size;
- bfd_vma vma;
- unsigned int alignment_power;
- {
- 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 = bfd_tell (abfd);
- asect->alignment_power = alignment_power;
-
- return asect;
- }
-
- static asymbol *
- hpux_core_make_empty_symbol (abfd)
- bfd *abfd;
- {
- asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
- new->the_bfd = abfd;
- return new;
- }
-
- static bfd_target *
- hpux_core_core_file_p (abfd)
- bfd *abfd;
- {
- core_hdr (abfd) = (struct hpux_core_struct *)
- bfd_zalloc (abfd, sizeof (struct hpux_core_struct));
- if (!core_hdr (abfd))
- return NULL;
-
- while (1)
- {
- int val;
- struct corehead core_header;
-
- val = bfd_read ((void *) &core_header, 1, sizeof core_header, abfd);
- if (val <= 0)
- break;
- switch (core_header.type)
- {
- case CORE_KERNEL:
- case CORE_FORMAT:
- bfd_seek (abfd, core_header.len, SEEK_CUR); /* Just skip this */
- break;
- case CORE_EXEC:
- {
- struct proc_exec proc_exec;
- bfd_read ((void *) &proc_exec, 1, core_header.len, abfd);
- strncpy (core_command (abfd), proc_exec.cmd, MAXCOMLEN + 1);
- }
- break;
- case CORE_PROC:
- {
- struct proc_info proc_info;
- core_regsec (abfd) = make_bfd_asection (abfd, ".reg",
- SEC_ALLOC + SEC_HAS_CONTENTS,
- core_header.len,
- (int) &proc_info - (int) &proc_info.hw_regs,
- 2);
- bfd_read (&proc_info, 1, core_header.len, abfd);
- core_signal (abfd) = proc_info.sig;
- }
- if (!core_regsec (abfd))
- return NULL;
- break;
- case CORE_DATA:
- core_datasec (abfd) = make_bfd_asection (abfd, ".data",
- SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
- core_header.len,
- core_header.addr,
- 2);
- if (!core_datasec (abfd))
- return NULL;
- bfd_seek (abfd, core_header.len, SEEK_CUR);
- break;
- case CORE_STACK:
- core_stacksec (abfd) = make_bfd_asection (abfd, ".stack",
- SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS,
- core_header.len,
- core_header.addr,
- 2);
- if (!core_stacksec (abfd))
- return NULL;
- bfd_seek (abfd, core_header.len, SEEK_CUR);
- break;
- default:
- /* Falling into here is an error and should prevent this
- target from matching. That way systems which use hpux
- cores along with other formats can still work. */
- return 0;
- }
- }
-
- /* OK, we believe you. You're a core file (sure, sure). */
-
- return abfd->xvec;
- }
-
- static char *
- hpux_core_core_file_failing_command (abfd)
- bfd *abfd;
- {
- return core_command (abfd);
- }
-
- /* ARGSUSED */
- static int
- hpux_core_core_file_failing_signal (abfd)
- bfd *abfd;
- {
- return core_signal (abfd);
- }
-
- /* ARGSUSED */
- static boolean
- hpux_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 hpux_core_openr_next_archived_file bfd_generic_openr_next_archived_file
- #define hpux_core_generic_stat_arch_elt bfd_generic_stat_arch_elt
- #define hpux_core_slurp_armap bfd_false
- #define hpux_core_slurp_extended_name_table bfd_true
- #define hpux_core_write_armap (boolean (*) PARAMS \
- ((bfd *arch, unsigned int elength, struct orl *map, \
- unsigned int orl_count, int stridx))) bfd_false
- #define hpux_core_truncate_arname bfd_dont_truncate_arname
-
- #define hpux_core_close_and_cleanup bfd_generic_close_and_cleanup
- #define hpux_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 hpux_core_get_section_contents bfd_generic_get_section_contents
- #define hpux_core_new_section_hook (boolean (*) PARAMS \
- ((bfd *, sec_ptr))) bfd_true
- #define hpux_core_get_symtab_upper_bound bfd_0u
- #define hpux_core_get_symtab (unsigned int (*) PARAMS \
- ((bfd *, struct symbol_cache_entry **))) bfd_0u
- #define hpux_core_get_reloc_upper_bound (unsigned int (*) PARAMS \
- ((bfd *, sec_ptr))) bfd_0u
- #define hpux_core_canonicalize_reloc (unsigned int (*) PARAMS \
- ((bfd *, sec_ptr, arelent **, struct symbol_cache_entry**))) bfd_0u
- #define hpux_core_print_symbol (void (*) PARAMS \
- ((bfd *, PTR, struct symbol_cache_entry *, \
- bfd_print_symbol_type))) bfd_false
- #define hpux_core_get_symbol_info (void (*) PARAMS \
- ((bfd *, struct symbol_cache_entry *, \
- symbol_info *))) bfd_false
- #define hpux_core_get_lineno (alent * (*) PARAMS \
- ((bfd *, struct symbol_cache_entry *))) bfd_nullvoidptr
- #define hpux_core_set_arch_mach (boolean (*) PARAMS \
- ((bfd *, enum bfd_architecture, unsigned long))) bfd_false
- #define hpux_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 hpux_core_sizeof_headers (int (*) PARAMS \
- ((bfd *, boolean))) bfd_0
-
- #define hpux_core_bfd_debug_info_start bfd_void
- #define hpux_core_bfd_debug_info_end bfd_void
- #define hpux_core_bfd_debug_info_accumulate (void (*) PARAMS \
- ((bfd *, struct sec *))) bfd_void
- #define hpux_core_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
- #define hpux_core_bfd_relax_section bfd_generic_relax_section
- #define hpux_core_bfd_reloc_type_lookup \
- ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
- #define hpux_core_bfd_make_debug_symbol \
- ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
- #define hpux_core_bfd_link_hash_table_create \
- ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
- #define hpux_core_bfd_link_add_symbols \
- ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
- #define hpux_core_bfd_final_link \
- ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
-
- /* If somebody calls any byte-swapping routines, shoot them. */
- 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 )
-
- bfd_target hpux_core_vec =
- {
- "hpux-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 */
- hpux_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(hpux_core),
- (PTR) 0 /* backend_data */
- };
-