/* 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 #include #include #include /* 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 */ };