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- /* BFD back-end for Irix 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 Irix style core
- files (namely, Irix 4 and Irix 5, so far). In the config/XXXXXX.mh
- file for such a system add
- HDEFINES=-DIRIX_CORE
- HDEPFILES=irix-core.o
- */
-
- #include "bfd.h"
- #include "sysdep.h"
- #include "libbfd.h"
-
- #ifdef IRIX_CORE
-
- #include <core.out.h>
-
- struct sgi_core_struct
- {
- int sig;
- char cmd[CORE_NAMESIZE];
- };
-
- #define core_hdr(bfd) ((bfd)->tdata.sgi_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_anyway (abfd, name);
- if (!asect)
- return NULL;
-
- asect->flags = flags;
- asect->_raw_size = _raw_size;
- asect->vma = vma;
- asect->filepos = filepos;
- asect->alignment_power = 4;
-
- return asect;
- }
-
- static bfd_target *
- irix_core_core_file_p (abfd)
- bfd *abfd;
- {
- int val;
- int i;
- char *secname;
- struct coreout coreout;
- struct idesc *idg, *idf, *ids;
-
- val = bfd_read ((PTR)&coreout, 1, sizeof coreout, abfd);
- if (val != sizeof coreout)
- return 0;
-
- if (coreout.c_magic != CORE_MAGIC
- || coreout.c_version != CORE_VERSION1)
- return 0;
-
- core_hdr (abfd) = (struct sgi_core_struct *) bfd_zalloc (abfd, sizeof (struct sgi_core_struct));
- if (!core_hdr (abfd))
- return NULL;
-
- strncpy (core_command (abfd), coreout.c_name, CORE_NAMESIZE);
- core_signal (abfd) = coreout.c_sigcause;
-
- bfd_seek (abfd, coreout.c_vmapoffset, SEEK_SET);
-
- for (i = 0; i < coreout.c_nvmap; i++)
- {
- struct vmap vmap;
-
- val = bfd_read ((PTR)&vmap, 1, sizeof vmap, abfd);
- if (val != sizeof vmap)
- break;
-
- switch (vmap.v_type)
- {
- case VDATA:
- secname = ".data";
- break;
- case VSTACK:
- secname = ".stack";
- break;
- #ifdef VMAPFILE
- case VMAPFILE:
- secname = ".mapfile";
- break;
- #endif
- default:
- continue;
- }
-
- if (!make_bfd_asection (abfd, secname,
- SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS,
- vmap.v_len,
- vmap.v_vaddr,
- vmap.v_offset,
- 2))
- return NULL;
- }
-
- /* Make sure that the regs are contiguous within the core file. */
-
- idg = &coreout.c_idesc[I_GPREGS];
- idf = &coreout.c_idesc[I_FPREGS];
- ids = &coreout.c_idesc[I_SPECREGS];
-
- if (idg->i_offset + idg->i_len != idf->i_offset
- || idf->i_offset + idf->i_len != ids->i_offset)
- return 0; /* Can't deal with non-contig regs */
-
- bfd_seek (abfd, idg->i_offset, SEEK_SET);
-
- make_bfd_asection (abfd, ".reg",
- SEC_ALLOC+SEC_HAS_CONTENTS,
- idg->i_len + idf->i_len + ids->i_len,
- 0,
- idg->i_offset);
-
- /* OK, we believe you. You're a core file (sure, sure). */
-
- return abfd->xvec;
- }
-
- static char *
- irix_core_core_file_failing_command (abfd)
- bfd *abfd;
- {
- return core_command (abfd);
- }
-
- static int
- irix_core_core_file_failing_signal (abfd)
- bfd *abfd;
- {
- return core_signal (abfd);
- }
-
- static boolean
- irix_core_core_file_matches_executable_p (core_bfd, exec_bfd)
- bfd *core_bfd, *exec_bfd;
- {
- return true; /* XXX - FIXME */
- }
-
- static asymbol *
- irix_core_make_empty_symbol (abfd)
- bfd *abfd;
- {
- asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
- new->the_bfd = abfd;
- return new;
- }
-
- #define irix_core_openr_next_archived_file bfd_generic_openr_next_archived_file
- #define irix_core_generic_stat_arch_elt bfd_generic_stat_arch_elt
- #define irix_core_slurp_armap bfd_false
- #define irix_core_slurp_extended_name_table bfd_true
- #define irix_core_write_armap (boolean (*) PARAMS \
- ((bfd *arch, unsigned int elength, struct orl *map, \
- unsigned int orl_count, int stridx))) bfd_false
- #define irix_core_truncate_arname bfd_dont_truncate_arname
-
- #define irix_core_close_and_cleanup bfd_generic_close_and_cleanup
- #define irix_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 irix_core_get_section_contents bfd_generic_get_section_contents
- #define irix_core_new_section_hook (boolean (*) PARAMS \
- ((bfd *, sec_ptr))) bfd_true
- #define irix_core_get_symtab_upper_bound bfd_0u
- #define irix_core_get_symtab (unsigned int (*) PARAMS \
- ((bfd *, struct symbol_cache_entry **))) bfd_0u
- #define irix_core_get_reloc_upper_bound (unsigned int (*) PARAMS \
- ((bfd *, sec_ptr))) bfd_0u
- #define irix_core_canonicalize_reloc (unsigned int (*) PARAMS \
- ((bfd *, sec_ptr, arelent **, struct symbol_cache_entry**))) bfd_0u
- #define irix_core_print_symbol (void (*) PARAMS \
- ((bfd *, PTR, struct symbol_cache_entry *, \
- bfd_print_symbol_type))) bfd_false
- #define irix_core_get_symbol_info (void (*) PARAMS \
- ((bfd *, struct symbol_cache_entry *, \
- symbol_info *))) bfd_false
- #define irix_core_get_lineno (alent * (*) PARAMS \
- ((bfd *, struct symbol_cache_entry *))) bfd_nullvoidptr
- #define irix_core_set_arch_mach (boolean (*) PARAMS \
- ((bfd *, enum bfd_architecture, unsigned long))) bfd_false
- #define irix_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 irix_core_sizeof_headers (int (*) PARAMS \
- ((bfd *, boolean))) bfd_0
-
- #define irix_core_bfd_debug_info_start bfd_void
- #define irix_core_bfd_debug_info_end bfd_void
- #define irix_core_bfd_debug_info_accumulate (void (*) PARAMS \
- ((bfd *, struct sec *))) bfd_void
- #define irix_core_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
- #define irix_core_bfd_relax_section bfd_generic_relax_section
- #define irix_core_bfd_reloc_type_lookup \
- ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
- #define irix_core_bfd_make_debug_symbol \
- ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
- #define irix_core_bfd_link_hash_table_create \
- ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
- #define irix_core_bfd_link_add_symbols \
- ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
- #define irix_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 irix_core_vec =
- {
- "irix-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 */
- irix_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(irix_core),
- (PTR) 0 /* backend_data */
- };
-
- #endif /* IRIX_CORE */
-