diff options
Diffstat (limited to 'bfd/trad-core.c')
-rw-r--r-- | bfd/trad-core.c | 334 |
1 files changed, 0 insertions, 334 deletions
diff --git a/bfd/trad-core.c b/bfd/trad-core.c deleted file mode 100644 index 872ad54ab85..00000000000 --- a/bfd/trad-core.c +++ /dev/null @@ -1,334 +0,0 @@ -/* BFD back end for traditional Unix core files (U-area and raw sections) - Copyright 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, - 2000 - Free Software Foundation, Inc. - Written by John Gilmore of 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "bfd.h" -#include "sysdep.h" -#include "libbfd.h" -#include "libaout.h" /* BFD a.out internal data structures */ - -#include <sys/param.h> -#ifdef HAVE_DIRENT_H -# include <dirent.h> -#else -# ifdef HAVE_SYS_NDIR_H -# include <sys/ndir.h> -# endif -# ifdef HAVE_SYS_DIR_H -# include <sys/dir.h> -# endif -# ifdef HAVE_NDIR_H -# include <ndir.h> -# endif -#endif -#include <signal.h> - -#include <sys/user.h> /* After a.out.h */ - -#ifdef TRAD_HEADER -#include TRAD_HEADER -#endif - - struct trad_core_struct - { - asection *data_section; - asection *stack_section; - asection *reg_section; - struct user u; - }; - -#define core_upage(bfd) (&((bfd)->tdata.trad_core_data->u)) -#define core_datasec(bfd) ((bfd)->tdata.trad_core_data->data_section) -#define core_stacksec(bfd) ((bfd)->tdata.trad_core_data->stack_section) -#define core_regsec(bfd) ((bfd)->tdata.trad_core_data->reg_section) - -/* forward declarations */ - -const bfd_target *trad_unix_core_file_p PARAMS ((bfd *abfd)); -char * trad_unix_core_file_failing_command PARAMS ((bfd *abfd)); -int trad_unix_core_file_failing_signal PARAMS ((bfd *abfd)); -boolean trad_unix_core_file_matches_executable_p - PARAMS ((bfd *core_bfd, bfd *exec_bfd)); -static void swap_abort PARAMS ((void)); - -/* Handle 4.2-style (and perhaps also sysV-style) core dump file. */ - -/* ARGSUSED */ -const bfd_target * -trad_unix_core_file_p (abfd) - bfd *abfd; - -{ - int val; - struct user u; - struct trad_core_struct *rawptr; - -#ifdef TRAD_CORE_USER_OFFSET - /* If defined, this macro is the file position of the user struct. */ - if (bfd_seek (abfd, TRAD_CORE_USER_OFFSET, SEEK_SET) != 0) - return 0; -#endif - - val = bfd_read ((void *)&u, 1, sizeof u, abfd); - if (val != sizeof u) - { - /* Too small to be a core file */ - bfd_set_error (bfd_error_wrong_format); - return 0; - } - - /* Sanity check perhaps??? */ - if (u.u_dsize > 0x1000000) /* Remember, it's in pages... */ - { - bfd_set_error (bfd_error_wrong_format); - return 0; - } - if (u.u_ssize > 0x1000000) - { - bfd_set_error (bfd_error_wrong_format); - return 0; - } - - /* Check that the size claimed is no greater than the file size. */ - { - FILE *stream = bfd_cache_lookup (abfd); - struct stat statbuf; - if (stream == NULL) - return 0; - if (fstat (fileno (stream), &statbuf) < 0) - { - bfd_set_error (bfd_error_system_call); - return 0; - } - if ((unsigned long) (NBPG * (UPAGES + u.u_dsize -#ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE - - u.u_tsize -#endif - + u.u_ssize)) - > (unsigned long) statbuf.st_size) - { - bfd_set_error (bfd_error_wrong_format); - return 0; - } -#ifndef TRAD_CORE_ALLOW_ANY_EXTRA_SIZE - if ((unsigned long) (NBPG * (UPAGES + u.u_dsize + u.u_ssize) -#ifdef TRAD_CORE_EXTRA_SIZE_ALLOWED - /* Some systems write the file too big. */ - + TRAD_CORE_EXTRA_SIZE_ALLOWED -#endif - ) - < (unsigned long) statbuf.st_size) - { - /* The file is too big. Maybe it's not a core file - or we otherwise have bad values for u_dsize and u_ssize). */ - bfd_set_error (bfd_error_wrong_format); - return 0; - } -#endif - } - - /* OK, we believe you. You're a core file (sure, sure). */ - - /* Allocate both the upage and the struct core_data at once, so - a single free() will free them both. */ - rawptr = (struct trad_core_struct *) - bfd_zmalloc (sizeof (struct trad_core_struct)); - if (rawptr == NULL) - return 0; - - abfd->tdata.trad_core_data = rawptr; - - rawptr->u = u; /*Copy the uarea into the tdata part of the bfd */ - - /* Create the sections. This is raunchy, but bfd_close wants to free - them separately. */ - - core_stacksec(abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); - if (core_stacksec (abfd) == NULL) - return NULL; - core_datasec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); - if (core_datasec (abfd) == NULL) - return NULL; - core_regsec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); - if (core_regsec (abfd) == NULL) - return NULL; - - core_stacksec (abfd)->name = ".stack"; - core_datasec (abfd)->name = ".data"; - core_regsec (abfd)->name = ".reg"; - - core_stacksec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; - core_datasec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; - core_regsec (abfd)->flags = SEC_HAS_CONTENTS; - - core_datasec (abfd)->_raw_size = NBPG * u.u_dsize -#ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE - - NBPG * u.u_tsize -#endif - ; - core_stacksec (abfd)->_raw_size = NBPG * u.u_ssize; - core_regsec (abfd)->_raw_size = NBPG * UPAGES; /* Larger than sizeof struct u */ - - /* What a hack... we'd like to steal it from the exec file, - since the upage does not seem to provide it. FIXME. */ -#ifdef HOST_DATA_START_ADDR - core_datasec (abfd)->vma = HOST_DATA_START_ADDR; -#else - core_datasec (abfd)->vma = HOST_TEXT_START_ADDR + (NBPG * u.u_tsize); -#endif - -#ifdef HOST_STACK_START_ADDR - core_stacksec (abfd)->vma = HOST_STACK_START_ADDR; -#else - core_stacksec (abfd)->vma = HOST_STACK_END_ADDR - (NBPG * u.u_ssize); -#endif - - /* This is tricky. As the "register section", we give them the entire - upage and stack. u.u_ar0 points to where "register 0" is stored. - There are two tricks with this, though. One is that the rest of the - registers might be at positive or negative (or both) displacements - from *u_ar0. The other is that u_ar0 is sometimes an absolute address - in kernel memory, and on other systems it is an offset from the beginning - of the `struct user'. - - As a practical matter, we don't know where the registers actually are, - so we have to pass the whole area to GDB. We encode the value of u_ar0 - by setting the .regs section up so that its virtual memory address - 0 is at the place pointed to by u_ar0 (by setting the vma of the start - of the section to -u_ar0). GDB uses this info to locate the regs, - using minor trickery to get around the offset-or-absolute-addr problem. */ - core_regsec (abfd)->vma = - (bfd_vma) u.u_ar0; - - core_datasec (abfd)->filepos = NBPG * UPAGES; - core_stacksec (abfd)->filepos = (NBPG * UPAGES) + NBPG * u.u_dsize -#ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE - - NBPG * u.u_tsize -#endif - ; - core_regsec (abfd)->filepos = 0; /* Register segment is the upage */ - - /* Align to word at least */ - core_stacksec (abfd)->alignment_power = 2; - core_datasec (abfd)->alignment_power = 2; - core_regsec (abfd)->alignment_power = 2; - - abfd->sections = core_stacksec (abfd); - core_stacksec (abfd)->next = core_datasec (abfd); - core_datasec (abfd)->next = core_regsec (abfd); - abfd->section_count = 3; - - return abfd->xvec; -} - -char * -trad_unix_core_file_failing_command (abfd) - bfd *abfd; -{ -#ifndef NO_CORE_COMMAND - char *com = abfd->tdata.trad_core_data->u.u_comm; - if (*com) - return com; - else -#endif - return 0; -} - -/* ARGSUSED */ -int -trad_unix_core_file_failing_signal (ignore_abfd) - bfd *ignore_abfd ATTRIBUTE_UNUSED; -{ -#ifdef TRAD_UNIX_CORE_FILE_FAILING_SIGNAL - return TRAD_UNIX_CORE_FILE_FAILING_SIGNAL(ignore_abfd); -#else - return -1; /* FIXME, where is it? */ -#endif -} - -/* ARGSUSED */ -boolean -trad_unix_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 (*) 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 ) - -const bfd_target trad_core_vec = - { - "trad-core", - bfd_target_unknown_flavour, - BFD_ENDIAN_UNKNOWN, /* target byte order */ - BFD_ENDIAN_UNKNOWN, /* 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_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 */ - trad_unix_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 (trad_unix), - 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 */ -}; |