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/* BFD back-end for OSF/1 core files. |
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Copyright (C) 1993-2014 Free Software Foundation, Inc. |
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This file is part of BFD, the Binary File Descriptor library. |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
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MA 02110-1301, USA. */ |
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/* This file can only be compiled on systems which use OSF/1 style |
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core files. */ |
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#include "sysdep.h" |
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#include "bfd.h" |
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#include "libbfd.h" |
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#include <sys/user.h> |
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#ifdef OSF_CORE |
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#include <sys/core.h> |
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#endif |
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/* forward declarations */ |
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#define osf_core_core_file_matches_executable_p generic_core_file_matches_executable_p |
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#define osf_core_core_file_pid _bfd_nocore_core_file_pid |
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/* These are stored in the bfd's tdata */ |
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struct osf_core_struct |
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{ |
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int sig; |
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char cmd[MAXCOMLEN + 1]; |
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}; |
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#define core_hdr(bfd) ((bfd)->tdata.osf_core_data) |
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#define core_signal(bfd) (core_hdr(bfd)->sig) |
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#define core_command(bfd) (core_hdr(bfd)->cmd) |
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static asection * |
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make_bfd_asection (bfd *abfd, |
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const char *name, |
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flagword flags, |
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bfd_size_type size, |
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bfd_vma vma, |
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file_ptr filepos) |
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{ |
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asection *asect; |
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asect = bfd_make_section_anyway_with_flags (abfd, name, flags); |
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if (!asect) |
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return NULL; |
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asect->size = size; |
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asect->vma = vma; |
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asect->filepos = filepos; |
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asect->alignment_power = 8; |
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return asect; |
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} |
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static const bfd_target * |
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osf_core_core_file_p (bfd *abfd) |
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{ |
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int val; |
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int i; |
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char *secname; |
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struct core_filehdr core_header; |
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bfd_size_type amt; |
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amt = sizeof core_header; |
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val = bfd_bread (& core_header, amt, abfd); |
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if (val != sizeof core_header) |
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return NULL; |
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if (! CONST_STRNEQ (core_header.magic, "Core")) |
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return NULL; |
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core_hdr (abfd) = (struct osf_core_struct *) |
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bfd_zalloc (abfd, (bfd_size_type) sizeof (struct osf_core_struct)); |
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if (!core_hdr (abfd)) |
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return NULL; |
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strncpy (core_command (abfd), core_header.name, MAXCOMLEN + 1); |
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core_signal (abfd) = core_header.signo; |
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for (i = 0; i < core_header.nscns; i++) |
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{ |
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struct core_scnhdr core_scnhdr; |
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flagword flags; |
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amt = sizeof core_scnhdr; |
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val = bfd_bread (& core_scnhdr, amt, abfd); |
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if (val != sizeof core_scnhdr) |
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break; |
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/* Skip empty sections. */ |
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if (core_scnhdr.size == 0 || core_scnhdr.scnptr == 0) |
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continue; |
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switch (core_scnhdr.scntype) |
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{ |
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case SCNRGN: |
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secname = ".data"; |
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flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; |
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break; |
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case SCNSTACK: |
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secname = ".stack"; |
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flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; |
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break; |
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case SCNREGS: |
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secname = ".reg"; |
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flags = SEC_HAS_CONTENTS; |
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break; |
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default: |
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(*_bfd_error_handler) (_("Unhandled OSF/1 core file section type %d\n"), |
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core_scnhdr.scntype); |
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continue; |
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} |
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if (!make_bfd_asection (abfd, secname, flags, |
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(bfd_size_type) core_scnhdr.size, |
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(bfd_vma) core_scnhdr.vaddr, |
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(file_ptr) core_scnhdr.scnptr)) |
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goto fail; |
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} |
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/* OK, we believe you. You're a core file (sure, sure). */ |
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return abfd->xvec; |
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fail: |
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bfd_release (abfd, core_hdr (abfd)); |
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core_hdr (abfd) = NULL; |
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bfd_section_list_clear (abfd); |
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return NULL; |
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} |
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static char * |
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osf_core_core_file_failing_command (bfd *abfd) |
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{ |
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return core_command (abfd); |
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} |
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static int |
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osf_core_core_file_failing_signal (bfd *abfd) |
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{ |
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return core_signal (abfd); |
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} |
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/* If somebody calls any byte-swapping routines, shoot them. */ |
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static void |
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swap_abort (void) |
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{ |
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abort (); /* This way doesn't require any declaration for ANSI to fuck up */ |
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} |
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#define NO_GET ((bfd_vma (*) (const void *)) swap_abort) |
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#define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort) |
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#define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort) |
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#define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort) |
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#define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort) |
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#define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort) |
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const bfd_target core_osf_vec = |
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{ |
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"osf-core", |
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bfd_target_unknown_flavour, |
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BFD_ENDIAN_LITTLE, /* target byte order */ |
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BFD_ENDIAN_LITTLE, /* target headers byte order */ |
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(HAS_RELOC | EXEC_P | /* object flags */ |
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HAS_LINENO | HAS_DEBUG | |
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HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), |
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(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ |
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0, /* symbol prefix */ |
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' ', /* ar_pad_char */ |
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16, /* ar_max_namelen */ |
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0, /* match priority. */ |
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NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data */ |
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NO_GET, NO_GETS, NO_PUT, /* 32 bit data */ |
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NO_GET, NO_GETS, NO_PUT, /* 16 bit data */ |
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NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs */ |
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NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs */ |
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NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs */ |
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{ /* bfd_check_format */ |
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_bfd_dummy_target, /* unknown format */ |
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_bfd_dummy_target, /* object file */ |
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_bfd_dummy_target, /* archive */ |
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osf_core_core_file_p /* a core file */ |
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}, |
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{ /* bfd_set_format */ |
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bfd_false, bfd_false, |
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bfd_false, bfd_false |
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}, |
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{ /* bfd_write_contents */ |
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bfd_false, bfd_false, |
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bfd_false, bfd_false |
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}, |
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BFD_JUMP_TABLE_GENERIC (_bfd_generic), |
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BFD_JUMP_TABLE_COPY (_bfd_generic), |
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BFD_JUMP_TABLE_CORE (osf_core), |
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BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), |
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BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols), |
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BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), |
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BFD_JUMP_TABLE_WRITE (_bfd_generic), |
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BFD_JUMP_TABLE_LINK (_bfd_nolink), |
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BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), |
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NULL, |
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NULL /* backend_data */ |
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};
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