X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=bfd%2Ftrad-core.c;h=ce1231edd8877d413667d152db83c518b33876cb;hb=feba93770920f91760d6390541221b75ba5c95f3;hp=9d5a745cef7e2e30670d189225e0332371dbc301;hpb=fa803dc60f0bf01297674c41d001798e18ade4dc;p=platform%2Fupstream%2Fbinutils.git diff --git a/bfd/trad-core.c b/bfd/trad-core.c index 9d5a745..ce1231e 100644 --- a/bfd/trad-core.c +++ b/bfd/trad-core.c @@ -1,32 +1,43 @@ /* BFD back end for traditional Unix core files (U-area and raw sections) - Copyright 1988, 1989, 1991, 1992, 1993, 1994 Free Software Foundation, Inc. + Copyright (C) 1988-2014 Free Software Foundation, Inc. Written by John Gilmore of Cygnus Support. -This file is part of BFD, the Binary File Descriptor library. + 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 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. + 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. */ + 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 "bfd.h" #include "sysdep.h" +#include "bfd.h" #include "libbfd.h" #include "libaout.h" /* BFD a.out internal data structures */ -#include -#include #include -#include +#ifdef HAVE_DIRENT_H +# include +#else +# ifdef HAVE_SYS_NDIR_H +# include +# endif +# ifdef HAVE_SYS_DIR_H +# include +# endif +# ifdef HAVE_NDIR_H +# include +# endif +#endif #include #include /* After a.out.h */ @@ -35,46 +46,47 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #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) +#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) +#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)); +#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. */ -/* ARGSUSED */ -const bfd_target * -trad_unix_core_file_p (abfd) - bfd *abfd; +/* 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, TRAD_CORE_USER_OFFSET, SEEK_SET) != 0) + if (bfd_seek (abfd, (file_ptr) TRAD_CORE_USER_OFFSET, SEEK_SET) != 0) return 0; #endif - - val = bfd_read ((void *)&u, 1, sizeof u, abfd); + + val = bfd_bread ((void *) &u, (bfd_size_type) sizeof u, abfd); if (val != sizeof u) { /* Too small to be a core file */ @@ -83,7 +95,7 @@ trad_unix_core_file_p (abfd) } /* Sanity check perhaps??? */ - if (u.u_dsize > 0x1000000) /* Remember, it's in pages... */ + if (u.u_dsize > 0x1000000) /* Remember, it's in pages... */ { bfd_set_error (bfd_error_wrong_format); return 0; @@ -96,31 +108,29 @@ trad_unix_core_file_p (abfd) /* Check that the size claimed is no greater than the file size. */ { - FILE *stream = bfd_cache_lookup (abfd); struct stat statbuf; - if (stream == NULL) + + if (bfd_stat (abfd, &statbuf) < 0) return 0; - if (fstat (fileno (stream), &statbuf) < 0) - { - bfd_set_error (bfd_error_system_call); - return 0; - } - if (NBPG * (UPAGES + u.u_dsize + + if ((ufile_ptr) NBPG * (UPAGES + u.u_dsize #ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE - - u.u_tsize + - u.u_tsize #endif - + u.u_ssize) > statbuf.st_size) + + u.u_ssize) + > (ufile_ptr) statbuf.st_size) { - bfd_set_error (bfd_error_file_truncated); + bfd_set_error (bfd_error_wrong_format); return 0; } #ifndef TRAD_CORE_ALLOW_ANY_EXTRA_SIZE - if (NBPG * (UPAGES + u.u_dsize + u.u_ssize) + 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 + + TRAD_CORE_EXTRA_SIZE_ALLOWED #endif - < statbuf.st_size) + ) + < (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). */ @@ -134,43 +144,38 @@ trad_unix_core_file_p (abfd) /* 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)); + 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. This is raunchy, but bfd_close wants to free - them separately. */ + /* Create the sections. */ - core_stacksec(abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); + 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) - return NULL; - core_datasec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); + goto fail; + core_datasec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".data", + flags); if (core_datasec (abfd) == NULL) - return NULL; - core_regsec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); + goto fail; + core_regsec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".reg", + SEC_HAS_CONTENTS); if (core_regsec (abfd) == NULL) - return NULL; - - core_stacksec (abfd)->name = ".stack"; - core_datasec (abfd)->name = ".data"; - core_regsec (abfd)->name = ".reg"; + goto fail; - 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 + core_datasec (abfd)->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 */ + 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. */ @@ -193,14 +198,14 @@ trad_unix_core_file_p (abfd) 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 = 0 - (bfd_vma) u.u_ar0; + 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 @@ -215,17 +220,17 @@ trad_unix_core_file_p (abfd) 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; + + fail: + bfd_release (abfd, abfd->tdata.any); + abfd->tdata.any = NULL; + bfd_section_list_clear (abfd); + return NULL; } -char * -trad_unix_core_file_failing_command (abfd) - bfd *abfd; +static char * +trad_unix_core_file_failing_command (bfd *abfd) { #ifndef NO_CORE_COMMAND char *com = abfd->tdata.trad_core_data->u.u_comm; @@ -236,10 +241,8 @@ trad_unix_core_file_failing_command (abfd) return 0; } -/* ARGSUSED */ -int -trad_unix_core_file_failing_signal (ignore_abfd) - bfd *ignore_abfd; +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); @@ -247,70 +250,68 @@ trad_unix_core_file_failing_signal (ignore_abfd) return -1; /* FIXME, where is it? */ #endif } - -/* ARGSUSED */ -boolean -trad_unix_core_file_matches_executable_p (core_bfd, exec_bfd) - bfd *core_bfd, *exec_bfd; -{ - return true; /* FIXME, We have no way of telling at this point */ -} /* If somebody calls any byte-swapping routines, shoot them. */ -void -swap_abort() +static void +swap_abort (void) { - abort(); /* This way doesn't require any declaration for ANSI to fuck up */ + 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 = +#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 core_trad_vec = { "trad-core", bfd_target_unknown_flavour, - true, /* target byte order */ - true, /* target headers byte order */ + 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 */ + 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_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_false, bfd_false, + bfd_false, bfd_false }, { /* bfd_write_contents */ - bfd_false, bfd_false, - bfd_false, bfd_false + 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), - - (PTR) 0 /* backend_data */ -}; + + 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 */ + };