diff options
Diffstat (limited to 'binutils-2.24/bfd/trad-core.c')
| -rw-r--r-- | binutils-2.24/bfd/trad-core.c | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/binutils-2.24/bfd/trad-core.c b/binutils-2.24/bfd/trad-core.c deleted file mode 100644 index da52c310..00000000 --- a/binutils-2.24/bfd/trad-core.c +++ /dev/null @@ -1,319 +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, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2011, 2012 - 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 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. */ - -#include "sysdep.h" -#include "bfd.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 - -#ifndef NBPG -# define NBPG getpagesize() -#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 */ - -#define trad_unix_core_file_matches_executable_p generic_core_file_matches_executable_p -#define trad_unix_core_file_pid _bfd_nocore_core_file_pid - - -/* Handle 4.2-style (and perhaps also sysV-style) core dump file. */ - -static const bfd_target * -trad_unix_core_file_p (bfd *abfd) -{ - int val; - struct user u; - struct trad_core_struct *rawptr; - bfd_size_type amt; - flagword flags; - -#ifdef TRAD_CORE_USER_OFFSET - /* If defined, this macro is the file position of the user struct. */ - if (bfd_seek (abfd, (file_ptr) TRAD_CORE_USER_OFFSET, SEEK_SET) != 0) - return 0; -#endif - - val = bfd_bread ((void *) &u, (bfd_size_type) 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. */ - { - struct stat statbuf; - - if (bfd_stat (abfd, &statbuf) < 0) - return 0; - - if ((ufile_ptr) NBPG * (UPAGES + u.u_dsize -#ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE - - u.u_tsize -#endif - + u.u_ssize) - > (ufile_ptr) statbuf.st_size) - { - bfd_set_error (bfd_error_wrong_format); - return 0; - } -#ifndef TRAD_CORE_ALLOW_ANY_EXTRA_SIZE - if (((ufile_ptr) 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 - ) - < (ufile_ptr) 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. */ - amt = sizeof (struct trad_core_struct); - rawptr = (struct trad_core_struct *) bfd_zmalloc (amt); - 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. */ - - flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; - core_stacksec(abfd) = bfd_make_section_anyway_with_flags (abfd, ".stack", - flags); - if (core_stacksec (abfd) == NULL) - goto fail; - core_datasec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".data", - flags); - if (core_datasec (abfd) == NULL) - goto fail; - core_regsec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".reg", - SEC_HAS_CONTENTS); - if (core_regsec (abfd) == NULL) - goto fail; - - core_datasec (abfd)->size = NBPG * u.u_dsize -#ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE - - NBPG * u.u_tsize -#endif - ; - core_stacksec (abfd)->size = NBPG * u.u_ssize; - core_regsec (abfd)->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) (unsigned long) 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; - - return abfd->xvec; - - fail: - bfd_release (abfd, abfd->tdata.any); - abfd->tdata.any = NULL; - bfd_section_list_clear (abfd); - return NULL; -} - -static char * -trad_unix_core_file_failing_command (bfd *abfd) -{ -#ifndef NO_CORE_COMMAND - char *com = abfd->tdata.trad_core_data->u.u_comm; - if (*com) - return com; - else -#endif - return 0; -} - -static int -trad_unix_core_file_failing_signal (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 -} - -/* 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 ((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 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 */ - 0, /* match priority. */ - 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 */ - 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, - - NULL /* backend_data */ - }; |