/* BFD back-end for OSF/1 core files. Copyright (C) 1993-2024 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 3 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ /* This file can only be compiled on systems which use OSF/1 style core files. */ #include "sysdep.h" #include "bfd.h" #include "libbfd.h" #include #ifdef OSF_CORE #include #endif /* forward declarations */ #define osf_core_core_file_matches_executable_p generic_core_file_matches_executable_p #define osf_core_core_file_pid _bfd_nocore_core_file_pid /* 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 (bfd *abfd, const char *name, flagword flags, bfd_size_type size, bfd_vma vma, file_ptr filepos) { asection *asect; asect = bfd_make_section_anyway_with_flags (abfd, name, flags); if (!asect) return NULL; asect->size = size; asect->vma = vma; asect->filepos = filepos; asect->alignment_power = 8; return asect; } static bfd_cleanup osf_core_core_file_p (bfd *abfd) { int val; int i; char *secname; struct core_filehdr core_header; size_t amt; amt = sizeof core_header; val = bfd_read (& core_header, amt, abfd); if (val != sizeof core_header) return NULL; if (! startswith (core_header.magic, "Core")) return NULL; core_hdr (abfd) = (struct osf_core_struct *) bfd_zalloc (abfd, (bfd_size_type) sizeof (struct osf_core_struct)); if (!core_hdr (abfd)) return NULL; strncpy (core_command (abfd), core_header.name, MAXCOMLEN); core_command (abfd)[MAXCOMLEN] = 0; core_signal (abfd) = core_header.signo; for (i = 0; i < core_header.nscns; i++) { struct core_scnhdr core_scnhdr; flagword flags; amt = sizeof core_scnhdr; val = bfd_read (& core_scnhdr, amt, 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: secname = ".data"; flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; break; case SCNSTACK: secname = ".stack"; flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; break; case SCNREGS: secname = ".reg"; flags = SEC_HAS_CONTENTS; break; default: _bfd_error_handler (_("unhandled OSF/1 core file section type %d"), core_scnhdr.scntype); continue; } if (!make_bfd_asection (abfd, secname, flags, (bfd_size_type) core_scnhdr.size, (bfd_vma) core_scnhdr.vaddr, (file_ptr) core_scnhdr.scnptr)) goto fail; } /* OK, we believe you. You're a core file (sure, sure). */ return _bfd_no_cleanup; fail: bfd_release (abfd, core_hdr (abfd)); core_hdr (abfd) = NULL; bfd_section_list_clear (abfd); return NULL; } static char * osf_core_core_file_failing_command (bfd *abfd) { return core_command (abfd); } static int osf_core_core_file_failing_signal (bfd *abfd) { return core_signal (abfd); } /* If somebody calls any byte-swapping routines, shoot them. */ static void swap_abort (void) { abort (); /* This way doesn't require any declaration for ANSI to fuck up */ } #define NO_GET ((bfd_vma (*) (const void *)) swap_abort) #define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort) #define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort) #define NO_GET64 ((uint64_t (*) (const void *)) swap_abort) #define NO_PUT64 ((void (*) (uint64_t, void *)) swap_abort) #define NO_GETS64 ((int64_t (*) (const void *)) swap_abort) const bfd_target core_osf_vec = { "osf-core", bfd_target_unknown_flavour, BFD_ENDIAN_LITTLE, /* target byte order */ BFD_ENDIAN_LITTLE, /* 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 */ 0, /* match priority. */ TARGET_KEEP_UNUSED_SECTION_SYMBOLS, /* keep unused section symbols. */ NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data */ NO_GET, NO_GETS, NO_PUT, /* 32 bit data */ NO_GET, NO_GETS, NO_PUT, /* 16 bit data */ NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs */ NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs */ NO_GET, NO_GETS, 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_bool_bfd_false_error, _bfd_bool_bfd_false_error, _bfd_bool_bfd_false_error, _bfd_bool_bfd_false_error }, { /* bfd_write_contents */ _bfd_bool_bfd_false_error, _bfd_bool_bfd_false_error, _bfd_bool_bfd_false_error, _bfd_bool_bfd_false_error }, BFD_JUMP_TABLE_GENERIC (_bfd_generic), BFD_JUMP_TABLE_COPY (_bfd_generic), BFD_JUMP_TABLE_CORE (osf_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), NULL, NULL /* backend_data */ };