diff options
Diffstat (limited to 'x/binutils/bfd/osf-core.c')
| -rw-r--r-- | x/binutils/bfd/osf-core.c | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/x/binutils/bfd/osf-core.c b/x/binutils/bfd/osf-core.c new file mode 100644 index 0000000..8273504 --- /dev/null +++ b/x/binutils/bfd/osf-core.c @@ -0,0 +1,244 @@ +/* BFD back-end for OSF/1 core files. + Copyright 1993, 1994, 1995, 1998, 1999, 2001, 2002, 2003, 2004 + 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +/* This file can only be compiled on systems which use OSF/1 style + core files. */ + +#include "bfd.h" +#include "sysdep.h" +#include "libbfd.h" + +#include <sys/user.h> +#include <sys/core.h> + +/* forward declarations */ + +static asection *make_bfd_asection + PARAMS ((bfd *, const char *, flagword, bfd_size_type, bfd_vma, file_ptr)); +static const 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 bfd_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_anyway (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 const bfd_target * +osf_core_core_file_p (abfd) + bfd *abfd; +{ + int val; + int i; + char *secname; + struct core_filehdr core_header; + bfd_size_type amt; + + amt = sizeof core_header; + val = bfd_bread ((PTR) &core_header, amt, 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, (bfd_size_type) 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; + flagword flags; + + amt = sizeof core_scnhdr; + val = bfd_bread ((PTR) &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\n"), + 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 abfd->xvec; + + 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 (abfd) + bfd *abfd; +{ + return core_command (abfd); +} + +static int +osf_core_core_file_failing_signal (abfd) + bfd *abfd; +{ + return core_signal (abfd); +} + +static bfd_boolean +osf_core_core_file_matches_executable_p (core_bfd, exec_bfd) + bfd *core_bfd ATTRIBUTE_UNUSED; + bfd *exec_bfd ATTRIBUTE_UNUSED; +{ + return TRUE; /* FIXME, We have no way of telling at this point */ +} + +/* 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 (*) (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 ((bfd_uint64_t (*) (const void *)) swap_abort) +#define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort) +#define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort) + +const bfd_target osf_core_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 */ + 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_false, bfd_false, + bfd_false, bfd_false + }, + { /* bfd_write_contents */ + bfd_false, bfd_false, + bfd_false, bfd_false + }, + + 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, + + (PTR) 0 /* backend_data */ + }; |
