/* Assorted BFD support routines, only used internally.
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/* Assorted BFD support routines, only used internally.
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Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999
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Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Written by Cygnus Support.
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Written by Cygnus Support.
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This file is part of BFD, the Binary File Descriptor library.
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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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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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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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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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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "bfd.h"
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#include "bfd.h"
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#include "sysdep.h"
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#include "sysdep.h"
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#include "libbfd.h"
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#include "libbfd.h"
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#ifndef HAVE_GETPAGESIZE
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#ifndef HAVE_GETPAGESIZE
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#define getpagesize() 2048
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#define getpagesize() 2048
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#endif
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#endif
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static int real_read PARAMS ((PTR, size_t, size_t, FILE *));
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static int real_read PARAMS ((PTR, size_t, size_t, FILE *));
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/*
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/*
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SECTION
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SECTION
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Internal functions
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Internal functions
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DESCRIPTION
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DESCRIPTION
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These routines are used within BFD.
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These routines are used within BFD.
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They are not intended for export, but are documented here for
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They are not intended for export, but are documented here for
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completeness.
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completeness.
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*/
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*/
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/* A routine which is used in target vectors for unsupported
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/* A routine which is used in target vectors for unsupported
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operations. */
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operations. */
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/*ARGSUSED*/
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/*ARGSUSED*/
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boolean
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boolean
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bfd_false (ignore)
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bfd_false (ignore)
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bfd *ignore ATTRIBUTE_UNUSED;
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bfd *ignore ATTRIBUTE_UNUSED;
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{
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{
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bfd_set_error (bfd_error_invalid_operation);
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bfd_set_error (bfd_error_invalid_operation);
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return false;
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return false;
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}
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}
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/* A routine which is used in target vectors for supported operations
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/* A routine which is used in target vectors for supported operations
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which do not actually do anything. */
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which do not actually do anything. */
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/*ARGSUSED*/
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/*ARGSUSED*/
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boolean
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boolean
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bfd_true (ignore)
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bfd_true (ignore)
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bfd *ignore ATTRIBUTE_UNUSED;
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bfd *ignore ATTRIBUTE_UNUSED;
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{
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{
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return true;
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return true;
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}
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}
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/* A routine which is used in target vectors for unsupported
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/* A routine which is used in target vectors for unsupported
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operations which return a pointer value. */
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operations which return a pointer value. */
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/*ARGSUSED*/
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/*ARGSUSED*/
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PTR
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PTR
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bfd_nullvoidptr (ignore)
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bfd_nullvoidptr (ignore)
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bfd *ignore ATTRIBUTE_UNUSED;
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bfd *ignore ATTRIBUTE_UNUSED;
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{
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{
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bfd_set_error (bfd_error_invalid_operation);
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bfd_set_error (bfd_error_invalid_operation);
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return NULL;
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return NULL;
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}
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}
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/*ARGSUSED*/
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/*ARGSUSED*/
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int
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int
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bfd_0 (ignore)
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bfd_0 (ignore)
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bfd *ignore ATTRIBUTE_UNUSED;
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bfd *ignore ATTRIBUTE_UNUSED;
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{
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{
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return 0;
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return 0;
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}
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}
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/*ARGSUSED*/
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/*ARGSUSED*/
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unsigned int
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unsigned int
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bfd_0u (ignore)
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bfd_0u (ignore)
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bfd *ignore ATTRIBUTE_UNUSED;
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bfd *ignore ATTRIBUTE_UNUSED;
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{
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{
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return 0;
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return 0;
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}
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}
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/*ARGUSED*/
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/*ARGUSED*/
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long
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long
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bfd_0l (ignore)
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bfd_0l (ignore)
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bfd *ignore ATTRIBUTE_UNUSED;
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bfd *ignore ATTRIBUTE_UNUSED;
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{
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{
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return 0;
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return 0;
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}
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}
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/* A routine which is used in target vectors for unsupported
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/* A routine which is used in target vectors for unsupported
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operations which return -1 on error. */
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operations which return -1 on error. */
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/*ARGSUSED*/
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/*ARGSUSED*/
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long
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long
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_bfd_n1 (ignore_abfd)
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_bfd_n1 (ignore_abfd)
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bfd *ignore_abfd ATTRIBUTE_UNUSED;
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bfd *ignore_abfd ATTRIBUTE_UNUSED;
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{
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{
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bfd_set_error (bfd_error_invalid_operation);
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bfd_set_error (bfd_error_invalid_operation);
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return -1;
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return -1;
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}
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}
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/*ARGSUSED*/
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/*ARGSUSED*/
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void
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void
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bfd_void (ignore)
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bfd_void (ignore)
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bfd *ignore ATTRIBUTE_UNUSED;
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bfd *ignore ATTRIBUTE_UNUSED;
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{
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{
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}
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}
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/*ARGSUSED*/
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/*ARGSUSED*/
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boolean
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boolean
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_bfd_nocore_core_file_matches_executable_p (ignore_core_bfd, ignore_exec_bfd)
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_bfd_nocore_core_file_matches_executable_p (ignore_core_bfd, ignore_exec_bfd)
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bfd *ignore_core_bfd ATTRIBUTE_UNUSED;
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bfd *ignore_core_bfd ATTRIBUTE_UNUSED;
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bfd *ignore_exec_bfd ATTRIBUTE_UNUSED;
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bfd *ignore_exec_bfd ATTRIBUTE_UNUSED;
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{
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{
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bfd_set_error (bfd_error_invalid_operation);
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bfd_set_error (bfd_error_invalid_operation);
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return false;
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return false;
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}
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}
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/* Routine to handle core_file_failing_command entry point for targets
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/* Routine to handle core_file_failing_command entry point for targets
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without core file support. */
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without core file support. */
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/*ARGSUSED*/
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/*ARGSUSED*/
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char *
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char *
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_bfd_nocore_core_file_failing_command (ignore_abfd)
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_bfd_nocore_core_file_failing_command (ignore_abfd)
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bfd *ignore_abfd ATTRIBUTE_UNUSED;
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bfd *ignore_abfd ATTRIBUTE_UNUSED;
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{
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{
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bfd_set_error (bfd_error_invalid_operation);
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bfd_set_error (bfd_error_invalid_operation);
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return (char *)NULL;
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return (char *)NULL;
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}
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}
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/* Routine to handle core_file_failing_signal entry point for targets
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/* Routine to handle core_file_failing_signal entry point for targets
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without core file support. */
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without core file support. */
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/*ARGSUSED*/
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/*ARGSUSED*/
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int
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int
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_bfd_nocore_core_file_failing_signal (ignore_abfd)
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_bfd_nocore_core_file_failing_signal (ignore_abfd)
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bfd *ignore_abfd ATTRIBUTE_UNUSED;
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bfd *ignore_abfd ATTRIBUTE_UNUSED;
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{
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{
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bfd_set_error (bfd_error_invalid_operation);
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bfd_set_error (bfd_error_invalid_operation);
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return 0;
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return 0;
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}
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}
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/*ARGSUSED*/
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/*ARGSUSED*/
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const bfd_target *
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const bfd_target *
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_bfd_dummy_target (ignore_abfd)
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_bfd_dummy_target (ignore_abfd)
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bfd *ignore_abfd ATTRIBUTE_UNUSED;
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bfd *ignore_abfd ATTRIBUTE_UNUSED;
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{
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{
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bfd_set_error (bfd_error_wrong_format);
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bfd_set_error (bfd_error_wrong_format);
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return 0;
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return 0;
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}
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}
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/* Allocate memory using malloc. */
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/* Allocate memory using malloc. */
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PTR
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PTR
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bfd_malloc (size)
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bfd_malloc (size)
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size_t size;
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size_t size;
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{
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{
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PTR ptr;
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PTR ptr;
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ptr = (PTR) malloc (size);
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ptr = (PTR) malloc (size);
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if (ptr == NULL && size != 0)
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if (ptr == NULL && size != 0)
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bfd_set_error (bfd_error_no_memory);
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bfd_set_error (bfd_error_no_memory);
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return ptr;
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return ptr;
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}
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}
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/* Reallocate memory using realloc. */
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/* Reallocate memory using realloc. */
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PTR
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PTR
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bfd_realloc (ptr, size)
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bfd_realloc (ptr, size)
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PTR ptr;
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PTR ptr;
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size_t size;
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size_t size;
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{
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{
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PTR ret;
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PTR ret;
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if (ptr == NULL)
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if (ptr == NULL)
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ret = malloc (size);
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ret = malloc (size);
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else
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else
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ret = realloc (ptr, size);
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ret = realloc (ptr, size);
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if (ret == NULL)
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if (ret == NULL)
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bfd_set_error (bfd_error_no_memory);
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bfd_set_error (bfd_error_no_memory);
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return ret;
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return ret;
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}
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}
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/* Allocate memory using malloc and clear it. */
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/* Allocate memory using malloc and clear it. */
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PTR
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PTR
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bfd_zmalloc (size)
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bfd_zmalloc (size)
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size_t size;
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size_t size;
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{
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{
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PTR ptr;
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PTR ptr;
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ptr = (PTR) malloc (size);
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ptr = (PTR) malloc (size);
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if (size != 0)
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if (size != 0)
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{
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{
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if (ptr == NULL)
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if (ptr == NULL)
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bfd_set_error (bfd_error_no_memory);
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bfd_set_error (bfd_error_no_memory);
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else
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else
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memset (ptr, 0, size);
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memset (ptr, 0, size);
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}
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}
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return ptr;
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return ptr;
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}
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}
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/* Some IO code */
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/* Some IO code */
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/* Note that archive entries don't have streams; they share their parent's.
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/* Note that archive entries don't have streams; they share their parent's.
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This allows someone to play with the iostream behind BFD's back.
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This allows someone to play with the iostream behind BFD's back.
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Also, note that the origin pointer points to the beginning of a file's
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Also, note that the origin pointer points to the beginning of a file's
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contents (0 for non-archive elements). For archive entries this is the
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contents (0 for non-archive elements). For archive entries this is the
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first octet in the file, NOT the beginning of the archive header. */
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first octet in the file, NOT the beginning of the archive header. */
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static int
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static int
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real_read (where, a,b, file)
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real_read (where, a,b, file)
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PTR where;
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PTR where;
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size_t a;
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size_t a;
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size_t b;
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size_t b;
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FILE *file;
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FILE *file;
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{
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{
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/* FIXME - this looks like an optimization, but it's really to cover
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/* FIXME - this looks like an optimization, but it's really to cover
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up for a feature of some OSs (not solaris - sigh) that
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up for a feature of some OSs (not solaris - sigh) that
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ld/pe-dll.c takes advantage of (apparently) when it creates BFDs
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ld/pe-dll.c takes advantage of (apparently) when it creates BFDs
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internally and tries to link against them. BFD seems to be smart
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internally and tries to link against them. BFD seems to be smart
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enough to realize there are no symbol records in the "file" that
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enough to realize there are no symbol records in the "file" that
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doesn't exist but attempts to read them anyway. On Solaris,
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doesn't exist but attempts to read them anyway. On Solaris,
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attempting to read zero bytes from a NULL file results in a core
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attempting to read zero bytes from a NULL file results in a core
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dump, but on other platforms it just returns zero bytes read.
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dump, but on other platforms it just returns zero bytes read.
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This makes it to something reasonable. - DJ */
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This makes it to something reasonable. - DJ */
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if (a == 0 || b == 0)
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if (a == 0 || b == 0)
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return 0;
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return 0;
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#if defined (__VAX) && defined (VMS)
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#if defined (__VAX) && defined (VMS)
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/* Apparently fread on Vax VMS does not keep the record length
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/* Apparently fread on Vax VMS does not keep the record length
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information. */
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information. */
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return read (fileno (file), where, a * b);
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return read (fileno (file), where, a * b);
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#else
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#else
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return fread (where, a, b, file);
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return fread (where, a, b, file);
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#endif
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#endif
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}
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}
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/* Return value is amount read (FIXME: how are errors and end of file dealt
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/* Return value is amount read (FIXME: how are errors and end of file dealt
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with? We never call bfd_set_error, which is probably a mistake). */
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with? We never call bfd_set_error, which is probably a mistake). */
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bfd_size_type
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bfd_size_type
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bfd_read (ptr, size, nitems, abfd)
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bfd_read (ptr, size, nitems, abfd)
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PTR ptr;
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PTR ptr;
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bfd_size_type size;
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bfd_size_type size;
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bfd_size_type nitems;
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bfd_size_type nitems;
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bfd *abfd;
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bfd *abfd;
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{
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{
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int nread;
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int nread;
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|
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if ((abfd->flags & BFD_IN_MEMORY) != 0)
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if ((abfd->flags & BFD_IN_MEMORY) != 0)
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{
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{
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struct bfd_in_memory *bim;
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struct bfd_in_memory *bim;
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bfd_size_type get;
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bfd_size_type get;
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|
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bim = (struct bfd_in_memory *) abfd->iostream;
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bim = (struct bfd_in_memory *) abfd->iostream;
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get = size * nitems;
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get = size * nitems;
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if (abfd->where + get > bim->size)
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if (abfd->where + get > bim->size)
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{
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{
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if (bim->size < (bfd_size_type) abfd->where)
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if (bim->size < (bfd_size_type) abfd->where)
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get = 0;
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get = 0;
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else
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else
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get = bim->size - abfd->where;
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get = bim->size - abfd->where;
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bfd_set_error (bfd_error_file_truncated);
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bfd_set_error (bfd_error_file_truncated);
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}
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}
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memcpy (ptr, bim->buffer + abfd->where, get);
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memcpy (ptr, bim->buffer + abfd->where, get);
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abfd->where += get;
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abfd->where += get;
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return get;
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return get;
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}
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}
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|
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nread = real_read (ptr, 1, (size_t)(size*nitems), bfd_cache_lookup(abfd));
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nread = real_read (ptr, 1, (size_t)(size*nitems), bfd_cache_lookup(abfd));
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if (nread > 0)
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if (nread > 0)
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abfd->where += nread;
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abfd->where += nread;
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|
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/* Set bfd_error if we did not read as much data as we expected.
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/* Set bfd_error if we did not read as much data as we expected.
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|
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If the read failed due to an error set the bfd_error_system_call,
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If the read failed due to an error set the bfd_error_system_call,
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else set bfd_error_file_truncated.
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else set bfd_error_file_truncated.
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|
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A BFD backend may wish to override bfd_error_file_truncated to
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A BFD backend may wish to override bfd_error_file_truncated to
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provide something more useful (eg. no_symbols or wrong_format). */
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provide something more useful (eg. no_symbols or wrong_format). */
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if (nread != (int) (size * nitems))
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if (nread != (int) (size * nitems))
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{
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{
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if (ferror (bfd_cache_lookup (abfd)))
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if (ferror (bfd_cache_lookup (abfd)))
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bfd_set_error (bfd_error_system_call);
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bfd_set_error (bfd_error_system_call);
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else
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else
|
bfd_set_error (bfd_error_file_truncated);
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bfd_set_error (bfd_error_file_truncated);
|
}
|
}
|
|
|
return nread;
|
return nread;
|
}
|
}
|
|
|
/* The window support stuff should probably be broken out into
|
/* The window support stuff should probably be broken out into
|
another file.... */
|
another file.... */
|
/* The idea behind the next and refcount fields is that one mapped
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/* The idea behind the next and refcount fields is that one mapped
|
region can suffice for multiple read-only windows or multiple
|
region can suffice for multiple read-only windows or multiple
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non-overlapping read-write windows. It's not implemented yet
|
non-overlapping read-write windows. It's not implemented yet
|
though. */
|
though. */
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struct _bfd_window_internal {
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struct _bfd_window_internal {
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struct _bfd_window_internal *next;
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struct _bfd_window_internal *next;
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PTR data;
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PTR data;
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bfd_size_type size;
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bfd_size_type size;
|
int refcount : 31; /* should be enough... */
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int refcount : 31; /* should be enough... */
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unsigned mapped : 1; /* 1 = mmap, 0 = malloc */
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unsigned mapped : 1; /* 1 = mmap, 0 = malloc */
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};
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};
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|
|
void
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void
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bfd_init_window (windowp)
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bfd_init_window (windowp)
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bfd_window *windowp;
|
bfd_window *windowp;
|
{
|
{
|
windowp->data = 0;
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windowp->data = 0;
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windowp->i = 0;
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windowp->i = 0;
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windowp->size = 0;
|
windowp->size = 0;
|
}
|
}
|
|
|
/* Currently, if USE_MMAP is undefined, none if the window stuff is
|
/* Currently, if USE_MMAP is undefined, none if the window stuff is
|
used. Okay, so it's mis-named. At least the command-line option
|
used. Okay, so it's mis-named. At least the command-line option
|
"--without-mmap" is more obvious than "--without-windows" or some
|
"--without-mmap" is more obvious than "--without-windows" or some
|
such. */
|
such. */
|
#ifdef USE_MMAP
|
#ifdef USE_MMAP
|
|
|
#undef HAVE_MPROTECT /* code's not tested yet */
|
#undef HAVE_MPROTECT /* code's not tested yet */
|
|
|
#if HAVE_MMAP || HAVE_MPROTECT || HAVE_MADVISE
|
#if HAVE_MMAP || HAVE_MPROTECT || HAVE_MADVISE
|
#include <sys/mman.h>
|
#include <sys/mman.h>
|
#endif
|
#endif
|
|
|
#ifndef MAP_FILE
|
#ifndef MAP_FILE
|
#define MAP_FILE 0
|
#define MAP_FILE 0
|
#endif
|
#endif
|
|
|
static int debug_windows;
|
static int debug_windows;
|
|
|
void
|
void
|
bfd_free_window (windowp)
|
bfd_free_window (windowp)
|
bfd_window *windowp;
|
bfd_window *windowp;
|
{
|
{
|
bfd_window_internal *i = windowp->i;
|
bfd_window_internal *i = windowp->i;
|
windowp->i = 0;
|
windowp->i = 0;
|
windowp->data = 0;
|
windowp->data = 0;
|
if (i == 0)
|
if (i == 0)
|
return;
|
return;
|
i->refcount--;
|
i->refcount--;
|
if (debug_windows)
|
if (debug_windows)
|
fprintf (stderr, "freeing window @%p<%p,%lx,%p>\n",
|
fprintf (stderr, "freeing window @%p<%p,%lx,%p>\n",
|
windowp, windowp->data, windowp->size, windowp->i);
|
windowp, windowp->data, windowp->size, windowp->i);
|
if (i->refcount != 0)
|
if (i->refcount != 0)
|
return;
|
return;
|
|
|
if (i->mapped)
|
if (i->mapped)
|
{
|
{
|
#ifdef HAVE_MMAP
|
#ifdef HAVE_MMAP
|
munmap (i->data, i->size);
|
munmap (i->data, i->size);
|
goto no_free;
|
goto no_free;
|
#else
|
#else
|
abort ();
|
abort ();
|
#endif
|
#endif
|
}
|
}
|
#ifdef HAVE_MPROTECT
|
#ifdef HAVE_MPROTECT
|
mprotect (i->data, i->size, PROT_READ | PROT_WRITE);
|
mprotect (i->data, i->size, PROT_READ | PROT_WRITE);
|
#endif
|
#endif
|
free (i->data);
|
free (i->data);
|
#ifdef HAVE_MMAP
|
#ifdef HAVE_MMAP
|
no_free:
|
no_free:
|
#endif
|
#endif
|
i->data = 0;
|
i->data = 0;
|
/* There should be no more references to i at this point. */
|
/* There should be no more references to i at this point. */
|
free (i);
|
free (i);
|
}
|
}
|
|
|
static int ok_to_map = 1;
|
static int ok_to_map = 1;
|
|
|
boolean
|
boolean
|
bfd_get_file_window (abfd, offset, size, windowp, writable)
|
bfd_get_file_window (abfd, offset, size, windowp, writable)
|
bfd *abfd;
|
bfd *abfd;
|
file_ptr offset;
|
file_ptr offset;
|
bfd_size_type size;
|
bfd_size_type size;
|
bfd_window *windowp;
|
bfd_window *windowp;
|
boolean writable;
|
boolean writable;
|
{
|
{
|
static size_t pagesize;
|
static size_t pagesize;
|
bfd_window_internal *i = windowp->i;
|
bfd_window_internal *i = windowp->i;
|
size_t size_to_alloc = size;
|
size_t size_to_alloc = size;
|
|
|
if (debug_windows)
|
if (debug_windows)
|
fprintf (stderr, "bfd_get_file_window (%p, %6ld, %6ld, %p<%p,%lx,%p>, %d)",
|
fprintf (stderr, "bfd_get_file_window (%p, %6ld, %6ld, %p<%p,%lx,%p>, %d)",
|
abfd, (long) offset, (long) size,
|
abfd, (long) offset, (long) size,
|
windowp, windowp->data, (unsigned long) windowp->size,
|
windowp, windowp->data, (unsigned long) windowp->size,
|
windowp->i, writable);
|
windowp->i, writable);
|
|
|
/* Make sure we know the page size, so we can be friendly to mmap. */
|
/* Make sure we know the page size, so we can be friendly to mmap. */
|
if (pagesize == 0)
|
if (pagesize == 0)
|
pagesize = getpagesize ();
|
pagesize = getpagesize ();
|
if (pagesize == 0)
|
if (pagesize == 0)
|
abort ();
|
abort ();
|
|
|
if (i == 0)
|
if (i == 0)
|
{
|
{
|
windowp->i = i = (bfd_window_internal *) bfd_zmalloc (sizeof (bfd_window_internal));
|
windowp->i = i = (bfd_window_internal *) bfd_zmalloc (sizeof (bfd_window_internal));
|
if (i == 0)
|
if (i == 0)
|
return false;
|
return false;
|
i->data = 0;
|
i->data = 0;
|
}
|
}
|
#ifdef HAVE_MMAP
|
#ifdef HAVE_MMAP
|
if (ok_to_map
|
if (ok_to_map
|
&& (i->data == 0 || i->mapped == 1)
|
&& (i->data == 0 || i->mapped == 1)
|
&& (abfd->flags & BFD_IN_MEMORY) == 0)
|
&& (abfd->flags & BFD_IN_MEMORY) == 0)
|
{
|
{
|
file_ptr file_offset, offset2;
|
file_ptr file_offset, offset2;
|
size_t real_size;
|
size_t real_size;
|
int fd;
|
int fd;
|
FILE *f;
|
FILE *f;
|
|
|
/* Find the real file and the real offset into it. */
|
/* Find the real file and the real offset into it. */
|
while (abfd->my_archive != NULL)
|
while (abfd->my_archive != NULL)
|
{
|
{
|
offset += abfd->origin;
|
offset += abfd->origin;
|
abfd = abfd->my_archive;
|
abfd = abfd->my_archive;
|
}
|
}
|
f = bfd_cache_lookup (abfd);
|
f = bfd_cache_lookup (abfd);
|
fd = fileno (f);
|
fd = fileno (f);
|
|
|
/* Compute offsets and size for mmap and for the user's data. */
|
/* Compute offsets and size for mmap and for the user's data. */
|
offset2 = offset % pagesize;
|
offset2 = offset % pagesize;
|
if (offset2 < 0)
|
if (offset2 < 0)
|
abort ();
|
abort ();
|
file_offset = offset - offset2;
|
file_offset = offset - offset2;
|
real_size = offset + size - file_offset;
|
real_size = offset + size - file_offset;
|
real_size = real_size + pagesize - 1;
|
real_size = real_size + pagesize - 1;
|
real_size -= real_size % pagesize;
|
real_size -= real_size % pagesize;
|
|
|
/* If we're re-using a memory region, make sure it's big enough. */
|
/* If we're re-using a memory region, make sure it's big enough. */
|
if (i->data && i->size < size)
|
if (i->data && i->size < size)
|
{
|
{
|
munmap (i->data, i->size);
|
munmap (i->data, i->size);
|
i->data = 0;
|
i->data = 0;
|
}
|
}
|
i->data = mmap (i->data, real_size,
|
i->data = mmap (i->data, real_size,
|
writable ? PROT_WRITE | PROT_READ : PROT_READ,
|
writable ? PROT_WRITE | PROT_READ : PROT_READ,
|
(writable
|
(writable
|
? MAP_FILE | MAP_PRIVATE
|
? MAP_FILE | MAP_PRIVATE
|
: MAP_FILE | MAP_SHARED),
|
: MAP_FILE | MAP_SHARED),
|
fd, file_offset);
|
fd, file_offset);
|
if (i->data == (PTR) -1)
|
if (i->data == (PTR) -1)
|
{
|
{
|
/* An error happened. Report it, or try using malloc, or
|
/* An error happened. Report it, or try using malloc, or
|
something. */
|
something. */
|
bfd_set_error (bfd_error_system_call);
|
bfd_set_error (bfd_error_system_call);
|
i->data = 0;
|
i->data = 0;
|
windowp->data = 0;
|
windowp->data = 0;
|
if (debug_windows)
|
if (debug_windows)
|
fprintf (stderr, "\t\tmmap failed!\n");
|
fprintf (stderr, "\t\tmmap failed!\n");
|
return false;
|
return false;
|
}
|
}
|
if (debug_windows)
|
if (debug_windows)
|
fprintf (stderr, "\n\tmapped %ld at %p, offset is %ld\n",
|
fprintf (stderr, "\n\tmapped %ld at %p, offset is %ld\n",
|
(long) real_size, i->data, (long) offset2);
|
(long) real_size, i->data, (long) offset2);
|
i->size = real_size;
|
i->size = real_size;
|
windowp->data = (PTR) ((bfd_byte *) i->data + offset2);
|
windowp->data = (PTR) ((bfd_byte *) i->data + offset2);
|
windowp->size = size;
|
windowp->size = size;
|
i->mapped = 1;
|
i->mapped = 1;
|
return true;
|
return true;
|
}
|
}
|
else if (debug_windows)
|
else if (debug_windows)
|
{
|
{
|
if (ok_to_map)
|
if (ok_to_map)
|
fprintf (stderr, _("not mapping: data=%lx mapped=%d\n"),
|
fprintf (stderr, _("not mapping: data=%lx mapped=%d\n"),
|
(unsigned long) i->data, (int) i->mapped);
|
(unsigned long) i->data, (int) i->mapped);
|
else
|
else
|
fprintf (stderr, _("not mapping: env var not set\n"));
|
fprintf (stderr, _("not mapping: env var not set\n"));
|
}
|
}
|
#else
|
#else
|
ok_to_map = 0;
|
ok_to_map = 0;
|
#endif
|
#endif
|
|
|
#ifdef HAVE_MPROTECT
|
#ifdef HAVE_MPROTECT
|
if (!writable)
|
if (!writable)
|
{
|
{
|
size_to_alloc += pagesize - 1;
|
size_to_alloc += pagesize - 1;
|
size_to_alloc -= size_to_alloc % pagesize;
|
size_to_alloc -= size_to_alloc % pagesize;
|
}
|
}
|
#endif
|
#endif
|
if (debug_windows)
|
if (debug_windows)
|
fprintf (stderr, "\n\t%s(%6ld)",
|
fprintf (stderr, "\n\t%s(%6ld)",
|
i->data ? "realloc" : " malloc", (long) size_to_alloc);
|
i->data ? "realloc" : " malloc", (long) size_to_alloc);
|
i->data = (PTR) bfd_realloc (i->data, size_to_alloc);
|
i->data = (PTR) bfd_realloc (i->data, size_to_alloc);
|
if (debug_windows)
|
if (debug_windows)
|
fprintf (stderr, "\t-> %p\n", i->data);
|
fprintf (stderr, "\t-> %p\n", i->data);
|
i->refcount = 1;
|
i->refcount = 1;
|
if (i->data == NULL)
|
if (i->data == NULL)
|
{
|
{
|
if (size_to_alloc == 0)
|
if (size_to_alloc == 0)
|
return true;
|
return true;
|
bfd_set_error (bfd_error_no_memory);
|
bfd_set_error (bfd_error_no_memory);
|
return false;
|
return false;
|
}
|
}
|
if (bfd_seek (abfd, offset, SEEK_SET) != 0)
|
if (bfd_seek (abfd, offset, SEEK_SET) != 0)
|
return false;
|
return false;
|
i->size = bfd_read (i->data, size, 1, abfd);
|
i->size = bfd_read (i->data, size, 1, abfd);
|
if (i->size != size)
|
if (i->size != size)
|
return false;
|
return false;
|
i->mapped = 0;
|
i->mapped = 0;
|
#ifdef HAVE_MPROTECT
|
#ifdef HAVE_MPROTECT
|
if (!writable)
|
if (!writable)
|
{
|
{
|
if (debug_windows)
|
if (debug_windows)
|
fprintf (stderr, "\tmprotect (%p, %ld, PROT_READ)\n", i->data,
|
fprintf (stderr, "\tmprotect (%p, %ld, PROT_READ)\n", i->data,
|
(long) i->size);
|
(long) i->size);
|
mprotect (i->data, i->size, PROT_READ);
|
mprotect (i->data, i->size, PROT_READ);
|
}
|
}
|
#endif
|
#endif
|
windowp->data = i->data;
|
windowp->data = i->data;
|
windowp->size = i->size;
|
windowp->size = i->size;
|
return true;
|
return true;
|
}
|
}
|
|
|
#endif /* USE_MMAP */
|
#endif /* USE_MMAP */
|
|
|
bfd_size_type
|
bfd_size_type
|
bfd_write (ptr, size, nitems, abfd)
|
bfd_write (ptr, size, nitems, abfd)
|
CONST PTR ptr;
|
CONST PTR ptr;
|
bfd_size_type size;
|
bfd_size_type size;
|
bfd_size_type nitems;
|
bfd_size_type nitems;
|
bfd *abfd;
|
bfd *abfd;
|
{
|
{
|
long nwrote;
|
long nwrote;
|
|
|
if ((abfd->flags & BFD_IN_MEMORY) != 0)
|
if ((abfd->flags & BFD_IN_MEMORY) != 0)
|
{
|
{
|
struct bfd_in_memory *bim = (struct bfd_in_memory *) (abfd->iostream);
|
struct bfd_in_memory *bim = (struct bfd_in_memory *) (abfd->iostream);
|
size *= nitems;
|
size *= nitems;
|
if (abfd->where + size > bim->size)
|
if (abfd->where + size > bim->size)
|
{
|
{
|
long newsize, oldsize = (bim->size + 127) & ~127;
|
long newsize, oldsize = (bim->size + 127) & ~127;
|
bim->size = abfd->where + size;
|
bim->size = abfd->where + size;
|
/* Round up to cut down on memory fragmentation */
|
/* Round up to cut down on memory fragmentation */
|
newsize = (bim->size + 127) & ~127;
|
newsize = (bim->size + 127) & ~127;
|
if (newsize > oldsize)
|
if (newsize > oldsize)
|
{
|
{
|
bim->buffer = bfd_realloc (bim->buffer, newsize);
|
bim->buffer = bfd_realloc (bim->buffer, newsize);
|
if (bim->buffer == 0)
|
if (bim->buffer == 0)
|
{
|
{
|
bim->size = 0;
|
bim->size = 0;
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
}
|
}
|
memcpy (bim->buffer + abfd->where, ptr, size);
|
memcpy (bim->buffer + abfd->where, ptr, size);
|
abfd->where += size;
|
abfd->where += size;
|
return size;
|
return size;
|
}
|
}
|
|
|
nwrote = fwrite (ptr, 1, (size_t) (size * nitems),
|
nwrote = fwrite (ptr, 1, (size_t) (size * nitems),
|
bfd_cache_lookup (abfd));
|
bfd_cache_lookup (abfd));
|
if (nwrote > 0)
|
if (nwrote > 0)
|
abfd->where += nwrote;
|
abfd->where += nwrote;
|
if ((bfd_size_type) nwrote != size * nitems)
|
if ((bfd_size_type) nwrote != size * nitems)
|
{
|
{
|
#ifdef ENOSPC
|
#ifdef ENOSPC
|
if (nwrote >= 0)
|
if (nwrote >= 0)
|
errno = ENOSPC;
|
errno = ENOSPC;
|
#endif
|
#endif
|
bfd_set_error (bfd_error_system_call);
|
bfd_set_error (bfd_error_system_call);
|
}
|
}
|
return nwrote;
|
return nwrote;
|
}
|
}
|
|
|
/*
|
/*
|
INTERNAL_FUNCTION
|
INTERNAL_FUNCTION
|
bfd_write_bigendian_4byte_int
|
bfd_write_bigendian_4byte_int
|
|
|
SYNOPSIS
|
SYNOPSIS
|
void bfd_write_bigendian_4byte_int(bfd *abfd, int i);
|
void bfd_write_bigendian_4byte_int(bfd *abfd, int i);
|
|
|
DESCRIPTION
|
DESCRIPTION
|
Write a 4 byte integer @var{i} to the output BFD @var{abfd}, in big
|
Write a 4 byte integer @var{i} to the output BFD @var{abfd}, in big
|
endian order regardless of what else is going on. This is useful in
|
endian order regardless of what else is going on. This is useful in
|
archives.
|
archives.
|
|
|
*/
|
*/
|
void
|
void
|
bfd_write_bigendian_4byte_int (abfd, i)
|
bfd_write_bigendian_4byte_int (abfd, i)
|
bfd *abfd;
|
bfd *abfd;
|
int i;
|
int i;
|
{
|
{
|
bfd_byte buffer[4];
|
bfd_byte buffer[4];
|
bfd_putb32(i, buffer);
|
bfd_putb32(i, buffer);
|
if (bfd_write((PTR)buffer, 4, 1, abfd) != 4)
|
if (bfd_write((PTR)buffer, 4, 1, abfd) != 4)
|
abort ();
|
abort ();
|
}
|
}
|
|
|
long
|
long
|
bfd_tell (abfd)
|
bfd_tell (abfd)
|
bfd *abfd;
|
bfd *abfd;
|
{
|
{
|
file_ptr ptr;
|
file_ptr ptr;
|
|
|
if ((abfd->flags & BFD_IN_MEMORY) != 0)
|
if ((abfd->flags & BFD_IN_MEMORY) != 0)
|
return abfd->where;
|
return abfd->where;
|
|
|
ptr = ftell (bfd_cache_lookup(abfd));
|
ptr = ftell (bfd_cache_lookup(abfd));
|
|
|
if (abfd->my_archive)
|
if (abfd->my_archive)
|
ptr -= abfd->origin;
|
ptr -= abfd->origin;
|
abfd->where = ptr;
|
abfd->where = ptr;
|
return ptr;
|
return ptr;
|
}
|
}
|
|
|
int
|
int
|
bfd_flush (abfd)
|
bfd_flush (abfd)
|
bfd *abfd;
|
bfd *abfd;
|
{
|
{
|
if ((abfd->flags & BFD_IN_MEMORY) != 0)
|
if ((abfd->flags & BFD_IN_MEMORY) != 0)
|
return 0;
|
return 0;
|
return fflush (bfd_cache_lookup(abfd));
|
return fflush (bfd_cache_lookup(abfd));
|
}
|
}
|
|
|
/* Returns 0 for success, negative value for failure (in which case
|
/* Returns 0 for success, negative value for failure (in which case
|
bfd_get_error can retrieve the error code). */
|
bfd_get_error can retrieve the error code). */
|
int
|
int
|
bfd_stat (abfd, statbuf)
|
bfd_stat (abfd, statbuf)
|
bfd *abfd;
|
bfd *abfd;
|
struct stat *statbuf;
|
struct stat *statbuf;
|
{
|
{
|
FILE *f;
|
FILE *f;
|
int result;
|
int result;
|
|
|
if ((abfd->flags & BFD_IN_MEMORY) != 0)
|
if ((abfd->flags & BFD_IN_MEMORY) != 0)
|
abort ();
|
abort ();
|
|
|
f = bfd_cache_lookup (abfd);
|
f = bfd_cache_lookup (abfd);
|
if (f == NULL)
|
if (f == NULL)
|
{
|
{
|
bfd_set_error (bfd_error_system_call);
|
bfd_set_error (bfd_error_system_call);
|
return -1;
|
return -1;
|
}
|
}
|
result = fstat (fileno (f), statbuf);
|
result = fstat (fileno (f), statbuf);
|
if (result < 0)
|
if (result < 0)
|
bfd_set_error (bfd_error_system_call);
|
bfd_set_error (bfd_error_system_call);
|
return result;
|
return result;
|
}
|
}
|
|
|
/* Returns 0 for success, nonzero for failure (in which case bfd_get_error
|
/* Returns 0 for success, nonzero for failure (in which case bfd_get_error
|
can retrieve the error code). */
|
can retrieve the error code). */
|
|
|
int
|
int
|
bfd_seek (abfd, position, direction)
|
bfd_seek (abfd, position, direction)
|
bfd *abfd;
|
bfd *abfd;
|
file_ptr position;
|
file_ptr position;
|
int direction;
|
int direction;
|
{
|
{
|
int result;
|
int result;
|
FILE *f;
|
FILE *f;
|
file_ptr file_position;
|
file_ptr file_position;
|
/* For the time being, a BFD may not seek to it's end. The problem
|
/* For the time being, a BFD may not seek to it's end. The problem
|
is that we don't easily have a way to recognize the end of an
|
is that we don't easily have a way to recognize the end of an
|
element in an archive. */
|
element in an archive. */
|
|
|
BFD_ASSERT (direction == SEEK_SET || direction == SEEK_CUR);
|
BFD_ASSERT (direction == SEEK_SET || direction == SEEK_CUR);
|
|
|
if (direction == SEEK_CUR && position == 0)
|
if (direction == SEEK_CUR && position == 0)
|
return 0;
|
return 0;
|
|
|
if ((abfd->flags & BFD_IN_MEMORY) != 0)
|
if ((abfd->flags & BFD_IN_MEMORY) != 0)
|
{
|
{
|
struct bfd_in_memory *bim;
|
struct bfd_in_memory *bim;
|
|
|
bim = (struct bfd_in_memory *) abfd->iostream;
|
bim = (struct bfd_in_memory *) abfd->iostream;
|
|
|
if (direction == SEEK_SET)
|
if (direction == SEEK_SET)
|
abfd->where = position;
|
abfd->where = position;
|
else
|
else
|
abfd->where += position;
|
abfd->where += position;
|
|
|
if ((bfd_size_type) abfd->where > bim->size)
|
if ((bfd_size_type) abfd->where > bim->size)
|
{
|
{
|
abfd->where = bim->size;
|
abfd->where = bim->size;
|
bfd_set_error (bfd_error_file_truncated);
|
bfd_set_error (bfd_error_file_truncated);
|
return -1;
|
return -1;
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
if (abfd->format != bfd_archive && abfd->my_archive == 0)
|
if (abfd->format != bfd_archive && abfd->my_archive == 0)
|
{
|
{
|
#if 0
|
#if 0
|
/* Explanation for this code: I'm only about 95+% sure that the above
|
/* Explanation for this code: I'm only about 95+% sure that the above
|
conditions are sufficient and that all i/o calls are properly
|
conditions are sufficient and that all i/o calls are properly
|
adjusting the `where' field. So this is sort of an `assert'
|
adjusting the `where' field. So this is sort of an `assert'
|
that the `where' field is correct. If we can go a while without
|
that the `where' field is correct. If we can go a while without
|
tripping the abort, we can probably safely disable this code,
|
tripping the abort, we can probably safely disable this code,
|
so that the real optimizations happen. */
|
so that the real optimizations happen. */
|
file_ptr where_am_i_now;
|
file_ptr where_am_i_now;
|
where_am_i_now = ftell (bfd_cache_lookup (abfd));
|
where_am_i_now = ftell (bfd_cache_lookup (abfd));
|
if (abfd->my_archive)
|
if (abfd->my_archive)
|
where_am_i_now -= abfd->origin;
|
where_am_i_now -= abfd->origin;
|
if (where_am_i_now != abfd->where)
|
if (where_am_i_now != abfd->where)
|
abort ();
|
abort ();
|
#endif
|
#endif
|
if (direction == SEEK_SET && position == abfd->where)
|
if (direction == SEEK_SET && position == abfd->where)
|
return 0;
|
return 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* We need something smarter to optimize access to archives.
|
/* We need something smarter to optimize access to archives.
|
Currently, anything inside an archive is read via the file
|
Currently, anything inside an archive is read via the file
|
handle for the archive. Which means that a bfd_seek on one
|
handle for the archive. Which means that a bfd_seek on one
|
component affects the `current position' in the archive, as
|
component affects the `current position' in the archive, as
|
well as in any other component.
|
well as in any other component.
|
|
|
It might be sufficient to put a spike through the cache
|
It might be sufficient to put a spike through the cache
|
abstraction, and look to the archive for the file position,
|
abstraction, and look to the archive for the file position,
|
but I think we should try for something cleaner.
|
but I think we should try for something cleaner.
|
|
|
In the meantime, no optimization for archives. */
|
In the meantime, no optimization for archives. */
|
}
|
}
|
|
|
f = bfd_cache_lookup (abfd);
|
f = bfd_cache_lookup (abfd);
|
file_position = position;
|
file_position = position;
|
if (direction == SEEK_SET && abfd->my_archive != NULL)
|
if (direction == SEEK_SET && abfd->my_archive != NULL)
|
file_position += abfd->origin;
|
file_position += abfd->origin;
|
|
|
result = fseek (f, file_position, direction);
|
result = fseek (f, file_position, direction);
|
|
|
if (result != 0)
|
if (result != 0)
|
{
|
{
|
int hold_errno = errno;
|
int hold_errno = errno;
|
|
|
/* Force redetermination of `where' field. */
|
/* Force redetermination of `where' field. */
|
bfd_tell (abfd);
|
bfd_tell (abfd);
|
|
|
/* An EINVAL error probably means that the file offset was
|
/* An EINVAL error probably means that the file offset was
|
absurd. */
|
absurd. */
|
if (hold_errno == EINVAL)
|
if (hold_errno == EINVAL)
|
bfd_set_error (bfd_error_file_truncated);
|
bfd_set_error (bfd_error_file_truncated);
|
else
|
else
|
{
|
{
|
bfd_set_error (bfd_error_system_call);
|
bfd_set_error (bfd_error_system_call);
|
errno = hold_errno;
|
errno = hold_errno;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Adjust `where' field. */
|
/* Adjust `where' field. */
|
if (direction == SEEK_SET)
|
if (direction == SEEK_SET)
|
abfd->where = position;
|
abfd->where = position;
|
else
|
else
|
abfd->where += position;
|
abfd->where += position;
|
}
|
}
|
return result;
|
return result;
|
}
|
}
|
|
|
/** The do-it-yourself (byte) sex-change kit */
|
/** The do-it-yourself (byte) sex-change kit */
|
|
|
/* The middle letter e.g. get<b>short indicates Big or Little endian
|
/* The middle letter e.g. get<b>short indicates Big or Little endian
|
target machine. It doesn't matter what the byte order of the host
|
target machine. It doesn't matter what the byte order of the host
|
machine is; these routines work for either. */
|
machine is; these routines work for either. */
|
|
|
/* FIXME: Should these take a count argument?
|
/* FIXME: Should these take a count argument?
|
Answer (gnu@cygnus.com): No, but perhaps they should be inline
|
Answer (gnu@cygnus.com): No, but perhaps they should be inline
|
functions in swap.h #ifdef __GNUC__.
|
functions in swap.h #ifdef __GNUC__.
|
Gprof them later and find out. */
|
Gprof them later and find out. */
|
|
|
/*
|
/*
|
FUNCTION
|
FUNCTION
|
bfd_put_size
|
bfd_put_size
|
FUNCTION
|
FUNCTION
|
bfd_get_size
|
bfd_get_size
|
|
|
DESCRIPTION
|
DESCRIPTION
|
These macros as used for reading and writing raw data in
|
These macros as used for reading and writing raw data in
|
sections; each access (except for bytes) is vectored through
|
sections; each access (except for bytes) is vectored through
|
the target format of the BFD and mangled accordingly. The
|
the target format of the BFD and mangled accordingly. The
|
mangling performs any necessary endian translations and
|
mangling performs any necessary endian translations and
|
removes alignment restrictions. Note that types accepted and
|
removes alignment restrictions. Note that types accepted and
|
returned by these macros are identical so they can be swapped
|
returned by these macros are identical so they can be swapped
|
around in macros---for example, @file{libaout.h} defines <<GET_WORD>>
|
around in macros---for example, @file{libaout.h} defines <<GET_WORD>>
|
to either <<bfd_get_32>> or <<bfd_get_64>>.
|
to either <<bfd_get_32>> or <<bfd_get_64>>.
|
|
|
In the put routines, @var{val} must be a <<bfd_vma>>. If we are on a
|
In the put routines, @var{val} must be a <<bfd_vma>>. If we are on a
|
system without prototypes, the caller is responsible for making
|
system without prototypes, the caller is responsible for making
|
sure that is true, with a cast if necessary. We don't cast
|
sure that is true, with a cast if necessary. We don't cast
|
them in the macro definitions because that would prevent <<lint>>
|
them in the macro definitions because that would prevent <<lint>>
|
or <<gcc -Wall>> from detecting sins such as passing a pointer.
|
or <<gcc -Wall>> from detecting sins such as passing a pointer.
|
To detect calling these with less than a <<bfd_vma>>, use
|
To detect calling these with less than a <<bfd_vma>>, use
|
<<gcc -Wconversion>> on a host with 64 bit <<bfd_vma>>'s.
|
<<gcc -Wconversion>> on a host with 64 bit <<bfd_vma>>'s.
|
|
|
.
|
.
|
.{* Byte swapping macros for user section data. *}
|
.{* Byte swapping macros for user section data. *}
|
.
|
.
|
.#define bfd_put_8(abfd, val, ptr) \
|
.#define bfd_put_8(abfd, val, ptr) \
|
. ((void) (*((unsigned char *)(ptr)) = (unsigned char)(val)))
|
. ((void) (*((unsigned char *)(ptr)) = (unsigned char)(val)))
|
.#define bfd_put_signed_8 \
|
.#define bfd_put_signed_8 \
|
. bfd_put_8
|
. bfd_put_8
|
.#define bfd_get_8(abfd, ptr) \
|
.#define bfd_get_8(abfd, ptr) \
|
. (*(unsigned char *)(ptr))
|
. (*(unsigned char *)(ptr))
|
.#define bfd_get_signed_8(abfd, ptr) \
|
.#define bfd_get_signed_8(abfd, ptr) \
|
. ((*(unsigned char *)(ptr) ^ 0x80) - 0x80)
|
. ((*(unsigned char *)(ptr) ^ 0x80) - 0x80)
|
.
|
.
|
.#define bfd_put_16(abfd, val, ptr) \
|
.#define bfd_put_16(abfd, val, ptr) \
|
. BFD_SEND(abfd, bfd_putx16, ((val),(ptr)))
|
. BFD_SEND(abfd, bfd_putx16, ((val),(ptr)))
|
.#define bfd_put_signed_16 \
|
.#define bfd_put_signed_16 \
|
. bfd_put_16
|
. bfd_put_16
|
.#define bfd_get_16(abfd, ptr) \
|
.#define bfd_get_16(abfd, ptr) \
|
. BFD_SEND(abfd, bfd_getx16, (ptr))
|
. BFD_SEND(abfd, bfd_getx16, (ptr))
|
.#define bfd_get_signed_16(abfd, ptr) \
|
.#define bfd_get_signed_16(abfd, ptr) \
|
. BFD_SEND (abfd, bfd_getx_signed_16, (ptr))
|
. BFD_SEND (abfd, bfd_getx_signed_16, (ptr))
|
.
|
.
|
.#define bfd_put_32(abfd, val, ptr) \
|
.#define bfd_put_32(abfd, val, ptr) \
|
. BFD_SEND(abfd, bfd_putx32, ((val),(ptr)))
|
. BFD_SEND(abfd, bfd_putx32, ((val),(ptr)))
|
.#define bfd_put_signed_32 \
|
.#define bfd_put_signed_32 \
|
. bfd_put_32
|
. bfd_put_32
|
.#define bfd_get_32(abfd, ptr) \
|
.#define bfd_get_32(abfd, ptr) \
|
. BFD_SEND(abfd, bfd_getx32, (ptr))
|
. BFD_SEND(abfd, bfd_getx32, (ptr))
|
.#define bfd_get_signed_32(abfd, ptr) \
|
.#define bfd_get_signed_32(abfd, ptr) \
|
. BFD_SEND(abfd, bfd_getx_signed_32, (ptr))
|
. BFD_SEND(abfd, bfd_getx_signed_32, (ptr))
|
.
|
.
|
.#define bfd_put_64(abfd, val, ptr) \
|
.#define bfd_put_64(abfd, val, ptr) \
|
. BFD_SEND(abfd, bfd_putx64, ((val), (ptr)))
|
. BFD_SEND(abfd, bfd_putx64, ((val), (ptr)))
|
.#define bfd_put_signed_64 \
|
.#define bfd_put_signed_64 \
|
. bfd_put_64
|
. bfd_put_64
|
.#define bfd_get_64(abfd, ptr) \
|
.#define bfd_get_64(abfd, ptr) \
|
. BFD_SEND(abfd, bfd_getx64, (ptr))
|
. BFD_SEND(abfd, bfd_getx64, (ptr))
|
.#define bfd_get_signed_64(abfd, ptr) \
|
.#define bfd_get_signed_64(abfd, ptr) \
|
. BFD_SEND(abfd, bfd_getx_signed_64, (ptr))
|
. BFD_SEND(abfd, bfd_getx_signed_64, (ptr))
|
.
|
.
|
.#define bfd_get(bits, abfd, ptr) \
|
.#define bfd_get(bits, abfd, ptr) \
|
. ((bits) == 8 ? bfd_get_8 (abfd, ptr) \
|
. ((bits) == 8 ? bfd_get_8 (abfd, ptr) \
|
. : (bits) == 16 ? bfd_get_16 (abfd, ptr) \
|
. : (bits) == 16 ? bfd_get_16 (abfd, ptr) \
|
. : (bits) == 32 ? bfd_get_32 (abfd, ptr) \
|
. : (bits) == 32 ? bfd_get_32 (abfd, ptr) \
|
. : (bits) == 64 ? bfd_get_64 (abfd, ptr) \
|
. : (bits) == 64 ? bfd_get_64 (abfd, ptr) \
|
. : (abort (), (bfd_vma) - 1))
|
. : (abort (), (bfd_vma) - 1))
|
.
|
.
|
.#define bfd_put(bits, abfd, val, ptr) \
|
.#define bfd_put(bits, abfd, val, ptr) \
|
. ((bits) == 8 ? bfd_put_8 (abfd, val, ptr) \
|
. ((bits) == 8 ? bfd_put_8 (abfd, val, ptr) \
|
. : (bits) == 16 ? bfd_put_16 (abfd, val, ptr) \
|
. : (bits) == 16 ? bfd_put_16 (abfd, val, ptr) \
|
. : (bits) == 32 ? bfd_put_32 (abfd, val, ptr) \
|
. : (bits) == 32 ? bfd_put_32 (abfd, val, ptr) \
|
. : (bits) == 64 ? bfd_put_64 (abfd, val, ptr) \
|
. : (bits) == 64 ? bfd_put_64 (abfd, val, ptr) \
|
. : (abort (), (void) 0))
|
. : (abort (), (void) 0))
|
.
|
.
|
*/
|
*/
|
|
|
/*
|
/*
|
FUNCTION
|
FUNCTION
|
bfd_h_put_size
|
bfd_h_put_size
|
bfd_h_get_size
|
bfd_h_get_size
|
|
|
DESCRIPTION
|
DESCRIPTION
|
These macros have the same function as their <<bfd_get_x>>
|
These macros have the same function as their <<bfd_get_x>>
|
bretheren, except that they are used for removing information
|
bretheren, except that they are used for removing information
|
for the header records of object files. Believe it or not,
|
for the header records of object files. Believe it or not,
|
some object files keep their header records in big endian
|
some object files keep their header records in big endian
|
order and their data in little endian order.
|
order and their data in little endian order.
|
.
|
.
|
.{* Byte swapping macros for file header data. *}
|
.{* Byte swapping macros for file header data. *}
|
.
|
.
|
.#define bfd_h_put_8(abfd, val, ptr) \
|
.#define bfd_h_put_8(abfd, val, ptr) \
|
. bfd_put_8 (abfd, val, ptr)
|
. bfd_put_8 (abfd, val, ptr)
|
.#define bfd_h_put_signed_8(abfd, val, ptr) \
|
.#define bfd_h_put_signed_8(abfd, val, ptr) \
|
. bfd_put_8 (abfd, val, ptr)
|
. bfd_put_8 (abfd, val, ptr)
|
.#define bfd_h_get_8(abfd, ptr) \
|
.#define bfd_h_get_8(abfd, ptr) \
|
. bfd_get_8 (abfd, ptr)
|
. bfd_get_8 (abfd, ptr)
|
.#define bfd_h_get_signed_8(abfd, ptr) \
|
.#define bfd_h_get_signed_8(abfd, ptr) \
|
. bfd_get_signed_8 (abfd, ptr)
|
. bfd_get_signed_8 (abfd, ptr)
|
.
|
.
|
.#define bfd_h_put_16(abfd, val, ptr) \
|
.#define bfd_h_put_16(abfd, val, ptr) \
|
. BFD_SEND(abfd, bfd_h_putx16,(val,ptr))
|
. BFD_SEND(abfd, bfd_h_putx16,(val,ptr))
|
.#define bfd_h_put_signed_16 \
|
.#define bfd_h_put_signed_16 \
|
. bfd_h_put_16
|
. bfd_h_put_16
|
.#define bfd_h_get_16(abfd, ptr) \
|
.#define bfd_h_get_16(abfd, ptr) \
|
. BFD_SEND(abfd, bfd_h_getx16,(ptr))
|
. BFD_SEND(abfd, bfd_h_getx16,(ptr))
|
.#define bfd_h_get_signed_16(abfd, ptr) \
|
.#define bfd_h_get_signed_16(abfd, ptr) \
|
. BFD_SEND(abfd, bfd_h_getx_signed_16, (ptr))
|
. BFD_SEND(abfd, bfd_h_getx_signed_16, (ptr))
|
.
|
.
|
.#define bfd_h_put_32(abfd, val, ptr) \
|
.#define bfd_h_put_32(abfd, val, ptr) \
|
. BFD_SEND(abfd, bfd_h_putx32,(val,ptr))
|
. BFD_SEND(abfd, bfd_h_putx32,(val,ptr))
|
.#define bfd_h_put_signed_32 \
|
.#define bfd_h_put_signed_32 \
|
. bfd_h_put_32
|
. bfd_h_put_32
|
.#define bfd_h_get_32(abfd, ptr) \
|
.#define bfd_h_get_32(abfd, ptr) \
|
. BFD_SEND(abfd, bfd_h_getx32,(ptr))
|
. BFD_SEND(abfd, bfd_h_getx32,(ptr))
|
.#define bfd_h_get_signed_32(abfd, ptr) \
|
.#define bfd_h_get_signed_32(abfd, ptr) \
|
. BFD_SEND(abfd, bfd_h_getx_signed_32, (ptr))
|
. BFD_SEND(abfd, bfd_h_getx_signed_32, (ptr))
|
.
|
.
|
.#define bfd_h_put_64(abfd, val, ptr) \
|
.#define bfd_h_put_64(abfd, val, ptr) \
|
. BFD_SEND(abfd, bfd_h_putx64,(val, ptr))
|
. BFD_SEND(abfd, bfd_h_putx64,(val, ptr))
|
.#define bfd_h_put_signed_64 \
|
.#define bfd_h_put_signed_64 \
|
. bfd_h_put_64
|
. bfd_h_put_64
|
.#define bfd_h_get_64(abfd, ptr) \
|
.#define bfd_h_get_64(abfd, ptr) \
|
. BFD_SEND(abfd, bfd_h_getx64,(ptr))
|
. BFD_SEND(abfd, bfd_h_getx64,(ptr))
|
.#define bfd_h_get_signed_64(abfd, ptr) \
|
.#define bfd_h_get_signed_64(abfd, ptr) \
|
. BFD_SEND(abfd, bfd_h_getx_signed_64, (ptr))
|
. BFD_SEND(abfd, bfd_h_getx_signed_64, (ptr))
|
.
|
.
|
*/
|
*/
|
|
|
/* Sign extension to bfd_signed_vma. */
|
/* Sign extension to bfd_signed_vma. */
|
#define COERCE16(x) (((bfd_signed_vma) (x) ^ 0x8000) - 0x8000)
|
#define COERCE16(x) (((bfd_signed_vma) (x) ^ 0x8000) - 0x8000)
|
#define COERCE32(x) \
|
#define COERCE32(x) \
|
((bfd_signed_vma) (long) (((unsigned long) (x) ^ 0x80000000) - 0x80000000))
|
((bfd_signed_vma) (long) (((unsigned long) (x) ^ 0x80000000) - 0x80000000))
|
#define EIGHT_GAZILLION (((BFD_HOST_64_BIT)0x80000000) << 32)
|
#define EIGHT_GAZILLION (((BFD_HOST_64_BIT)0x80000000) << 32)
|
#define COERCE64(x) \
|
#define COERCE64(x) \
|
(((bfd_signed_vma) (x) ^ EIGHT_GAZILLION) - EIGHT_GAZILLION)
|
(((bfd_signed_vma) (x) ^ EIGHT_GAZILLION) - EIGHT_GAZILLION)
|
|
|
bfd_vma
|
bfd_vma
|
bfd_getb16 (addr)
|
bfd_getb16 (addr)
|
register const bfd_byte *addr;
|
register const bfd_byte *addr;
|
{
|
{
|
return (addr[0] << 8) | addr[1];
|
return (addr[0] << 8) | addr[1];
|
}
|
}
|
|
|
bfd_vma
|
bfd_vma
|
bfd_getl16 (addr)
|
bfd_getl16 (addr)
|
register const bfd_byte *addr;
|
register const bfd_byte *addr;
|
{
|
{
|
return (addr[1] << 8) | addr[0];
|
return (addr[1] << 8) | addr[0];
|
}
|
}
|
|
|
bfd_signed_vma
|
bfd_signed_vma
|
bfd_getb_signed_16 (addr)
|
bfd_getb_signed_16 (addr)
|
register const bfd_byte *addr;
|
register const bfd_byte *addr;
|
{
|
{
|
return COERCE16((addr[0] << 8) | addr[1]);
|
return COERCE16((addr[0] << 8) | addr[1]);
|
}
|
}
|
|
|
bfd_signed_vma
|
bfd_signed_vma
|
bfd_getl_signed_16 (addr)
|
bfd_getl_signed_16 (addr)
|
register const bfd_byte *addr;
|
register const bfd_byte *addr;
|
{
|
{
|
return COERCE16((addr[1] << 8) | addr[0]);
|
return COERCE16((addr[1] << 8) | addr[0]);
|
}
|
}
|
|
|
void
|
void
|
bfd_putb16 (data, addr)
|
bfd_putb16 (data, addr)
|
bfd_vma data;
|
bfd_vma data;
|
register bfd_byte *addr;
|
register bfd_byte *addr;
|
{
|
{
|
addr[0] = (bfd_byte)(data >> 8);
|
addr[0] = (bfd_byte)(data >> 8);
|
addr[1] = (bfd_byte )data;
|
addr[1] = (bfd_byte )data;
|
}
|
}
|
|
|
void
|
void
|
bfd_putl16 (data, addr)
|
bfd_putl16 (data, addr)
|
bfd_vma data;
|
bfd_vma data;
|
register bfd_byte *addr;
|
register bfd_byte *addr;
|
{
|
{
|
addr[0] = (bfd_byte )data;
|
addr[0] = (bfd_byte )data;
|
addr[1] = (bfd_byte)(data >> 8);
|
addr[1] = (bfd_byte)(data >> 8);
|
}
|
}
|
|
|
bfd_vma
|
bfd_vma
|
bfd_getb32 (addr)
|
bfd_getb32 (addr)
|
register const bfd_byte *addr;
|
register const bfd_byte *addr;
|
{
|
{
|
unsigned long v;
|
unsigned long v;
|
|
|
v = (unsigned long) addr[0] << 24;
|
v = (unsigned long) addr[0] << 24;
|
v |= (unsigned long) addr[1] << 16;
|
v |= (unsigned long) addr[1] << 16;
|
v |= (unsigned long) addr[2] << 8;
|
v |= (unsigned long) addr[2] << 8;
|
v |= (unsigned long) addr[3];
|
v |= (unsigned long) addr[3];
|
return (bfd_vma) v;
|
return (bfd_vma) v;
|
}
|
}
|
|
|
bfd_vma
|
bfd_vma
|
bfd_getl32 (addr)
|
bfd_getl32 (addr)
|
register const bfd_byte *addr;
|
register const bfd_byte *addr;
|
{
|
{
|
unsigned long v;
|
unsigned long v;
|
|
|
v = (unsigned long) addr[0];
|
v = (unsigned long) addr[0];
|
v |= (unsigned long) addr[1] << 8;
|
v |= (unsigned long) addr[1] << 8;
|
v |= (unsigned long) addr[2] << 16;
|
v |= (unsigned long) addr[2] << 16;
|
v |= (unsigned long) addr[3] << 24;
|
v |= (unsigned long) addr[3] << 24;
|
return (bfd_vma) v;
|
return (bfd_vma) v;
|
}
|
}
|
|
|
bfd_signed_vma
|
bfd_signed_vma
|
bfd_getb_signed_32 (addr)
|
bfd_getb_signed_32 (addr)
|
register const bfd_byte *addr;
|
register const bfd_byte *addr;
|
{
|
{
|
unsigned long v;
|
unsigned long v;
|
|
|
v = (unsigned long) addr[0] << 24;
|
v = (unsigned long) addr[0] << 24;
|
v |= (unsigned long) addr[1] << 16;
|
v |= (unsigned long) addr[1] << 16;
|
v |= (unsigned long) addr[2] << 8;
|
v |= (unsigned long) addr[2] << 8;
|
v |= (unsigned long) addr[3];
|
v |= (unsigned long) addr[3];
|
return COERCE32 (v);
|
return COERCE32 (v);
|
}
|
}
|
|
|
bfd_signed_vma
|
bfd_signed_vma
|
bfd_getl_signed_32 (addr)
|
bfd_getl_signed_32 (addr)
|
register const bfd_byte *addr;
|
register const bfd_byte *addr;
|
{
|
{
|
unsigned long v;
|
unsigned long v;
|
|
|
v = (unsigned long) addr[0];
|
v = (unsigned long) addr[0];
|
v |= (unsigned long) addr[1] << 8;
|
v |= (unsigned long) addr[1] << 8;
|
v |= (unsigned long) addr[2] << 16;
|
v |= (unsigned long) addr[2] << 16;
|
v |= (unsigned long) addr[3] << 24;
|
v |= (unsigned long) addr[3] << 24;
|
return COERCE32 (v);
|
return COERCE32 (v);
|
}
|
}
|
|
|
bfd_vma
|
bfd_vma
|
bfd_getb64 (addr)
|
bfd_getb64 (addr)
|
register const bfd_byte *addr ATTRIBUTE_UNUSED;
|
register const bfd_byte *addr ATTRIBUTE_UNUSED;
|
{
|
{
|
#ifdef BFD64
|
#ifdef BFD64
|
bfd_vma low, high;
|
bfd_vma low, high;
|
|
|
high= ((((((((addr[0]) << 8) |
|
high= ((((((((addr[0]) << 8) |
|
addr[1]) << 8) |
|
addr[1]) << 8) |
|
addr[2]) << 8) |
|
addr[2]) << 8) |
|
addr[3]) );
|
addr[3]) );
|
|
|
low = (((((((((bfd_vma)addr[4]) << 8) |
|
low = (((((((((bfd_vma)addr[4]) << 8) |
|
addr[5]) << 8) |
|
addr[5]) << 8) |
|
addr[6]) << 8) |
|
addr[6]) << 8) |
|
addr[7]));
|
addr[7]));
|
|
|
return high << 32 | low;
|
return high << 32 | low;
|
#else
|
#else
|
BFD_FAIL();
|
BFD_FAIL();
|
return 0;
|
return 0;
|
#endif
|
#endif
|
}
|
}
|
|
|
bfd_vma
|
bfd_vma
|
bfd_getl64 (addr)
|
bfd_getl64 (addr)
|
register const bfd_byte *addr ATTRIBUTE_UNUSED;
|
register const bfd_byte *addr ATTRIBUTE_UNUSED;
|
{
|
{
|
#ifdef BFD64
|
#ifdef BFD64
|
bfd_vma low, high;
|
bfd_vma low, high;
|
high= (((((((addr[7] << 8) |
|
high= (((((((addr[7] << 8) |
|
addr[6]) << 8) |
|
addr[6]) << 8) |
|
addr[5]) << 8) |
|
addr[5]) << 8) |
|
addr[4]));
|
addr[4]));
|
|
|
low = ((((((((bfd_vma)addr[3] << 8) |
|
low = ((((((((bfd_vma)addr[3] << 8) |
|
addr[2]) << 8) |
|
addr[2]) << 8) |
|
addr[1]) << 8) |
|
addr[1]) << 8) |
|
addr[0]) );
|
addr[0]) );
|
|
|
return high << 32 | low;
|
return high << 32 | low;
|
#else
|
#else
|
BFD_FAIL();
|
BFD_FAIL();
|
return 0;
|
return 0;
|
#endif
|
#endif
|
|
|
}
|
}
|
|
|
bfd_signed_vma
|
bfd_signed_vma
|
bfd_getb_signed_64 (addr)
|
bfd_getb_signed_64 (addr)
|
register const bfd_byte *addr ATTRIBUTE_UNUSED;
|
register const bfd_byte *addr ATTRIBUTE_UNUSED;
|
{
|
{
|
#ifdef BFD64
|
#ifdef BFD64
|
bfd_vma low, high;
|
bfd_vma low, high;
|
|
|
high= ((((((((addr[0]) << 8) |
|
high= ((((((((addr[0]) << 8) |
|
addr[1]) << 8) |
|
addr[1]) << 8) |
|
addr[2]) << 8) |
|
addr[2]) << 8) |
|
addr[3]) );
|
addr[3]) );
|
|
|
low = (((((((((bfd_vma)addr[4]) << 8) |
|
low = (((((((((bfd_vma)addr[4]) << 8) |
|
addr[5]) << 8) |
|
addr[5]) << 8) |
|
addr[6]) << 8) |
|
addr[6]) << 8) |
|
addr[7]));
|
addr[7]));
|
|
|
return COERCE64(high << 32 | low);
|
return COERCE64(high << 32 | low);
|
#else
|
#else
|
BFD_FAIL();
|
BFD_FAIL();
|
return 0;
|
return 0;
|
#endif
|
#endif
|
}
|
}
|
|
|
bfd_signed_vma
|
bfd_signed_vma
|
bfd_getl_signed_64 (addr)
|
bfd_getl_signed_64 (addr)
|
register const bfd_byte *addr ATTRIBUTE_UNUSED;
|
register const bfd_byte *addr ATTRIBUTE_UNUSED;
|
{
|
{
|
#ifdef BFD64
|
#ifdef BFD64
|
bfd_vma low, high;
|
bfd_vma low, high;
|
high= (((((((addr[7] << 8) |
|
high= (((((((addr[7] << 8) |
|
addr[6]) << 8) |
|
addr[6]) << 8) |
|
addr[5]) << 8) |
|
addr[5]) << 8) |
|
addr[4]));
|
addr[4]));
|
|
|
low = ((((((((bfd_vma)addr[3] << 8) |
|
low = ((((((((bfd_vma)addr[3] << 8) |
|
addr[2]) << 8) |
|
addr[2]) << 8) |
|
addr[1]) << 8) |
|
addr[1]) << 8) |
|
addr[0]) );
|
addr[0]) );
|
|
|
return COERCE64(high << 32 | low);
|
return COERCE64(high << 32 | low);
|
#else
|
#else
|
BFD_FAIL();
|
BFD_FAIL();
|
return 0;
|
return 0;
|
#endif
|
#endif
|
}
|
}
|
|
|
void
|
void
|
bfd_putb32 (data, addr)
|
bfd_putb32 (data, addr)
|
bfd_vma data;
|
bfd_vma data;
|
register bfd_byte *addr;
|
register bfd_byte *addr;
|
{
|
{
|
addr[0] = (bfd_byte)(data >> 24);
|
addr[0] = (bfd_byte)(data >> 24);
|
addr[1] = (bfd_byte)(data >> 16);
|
addr[1] = (bfd_byte)(data >> 16);
|
addr[2] = (bfd_byte)(data >> 8);
|
addr[2] = (bfd_byte)(data >> 8);
|
addr[3] = (bfd_byte)data;
|
addr[3] = (bfd_byte)data;
|
}
|
}
|
|
|
void
|
void
|
bfd_putl32 (data, addr)
|
bfd_putl32 (data, addr)
|
bfd_vma data;
|
bfd_vma data;
|
register bfd_byte *addr;
|
register bfd_byte *addr;
|
{
|
{
|
addr[0] = (bfd_byte)data;
|
addr[0] = (bfd_byte)data;
|
addr[1] = (bfd_byte)(data >> 8);
|
addr[1] = (bfd_byte)(data >> 8);
|
addr[2] = (bfd_byte)(data >> 16);
|
addr[2] = (bfd_byte)(data >> 16);
|
addr[3] = (bfd_byte)(data >> 24);
|
addr[3] = (bfd_byte)(data >> 24);
|
}
|
}
|
|
|
void
|
void
|
bfd_putb64 (data, addr)
|
bfd_putb64 (data, addr)
|
bfd_vma data ATTRIBUTE_UNUSED;
|
bfd_vma data ATTRIBUTE_UNUSED;
|
register bfd_byte *addr ATTRIBUTE_UNUSED;
|
register bfd_byte *addr ATTRIBUTE_UNUSED;
|
{
|
{
|
#ifdef BFD64
|
#ifdef BFD64
|
addr[0] = (bfd_byte)(data >> (7*8));
|
addr[0] = (bfd_byte)(data >> (7*8));
|
addr[1] = (bfd_byte)(data >> (6*8));
|
addr[1] = (bfd_byte)(data >> (6*8));
|
addr[2] = (bfd_byte)(data >> (5*8));
|
addr[2] = (bfd_byte)(data >> (5*8));
|
addr[3] = (bfd_byte)(data >> (4*8));
|
addr[3] = (bfd_byte)(data >> (4*8));
|
addr[4] = (bfd_byte)(data >> (3*8));
|
addr[4] = (bfd_byte)(data >> (3*8));
|
addr[5] = (bfd_byte)(data >> (2*8));
|
addr[5] = (bfd_byte)(data >> (2*8));
|
addr[6] = (bfd_byte)(data >> (1*8));
|
addr[6] = (bfd_byte)(data >> (1*8));
|
addr[7] = (bfd_byte)(data >> (0*8));
|
addr[7] = (bfd_byte)(data >> (0*8));
|
#else
|
#else
|
BFD_FAIL();
|
BFD_FAIL();
|
#endif
|
#endif
|
}
|
}
|
|
|
void
|
void
|
bfd_putl64 (data, addr)
|
bfd_putl64 (data, addr)
|
bfd_vma data ATTRIBUTE_UNUSED;
|
bfd_vma data ATTRIBUTE_UNUSED;
|
register bfd_byte *addr ATTRIBUTE_UNUSED;
|
register bfd_byte *addr ATTRIBUTE_UNUSED;
|
{
|
{
|
#ifdef BFD64
|
#ifdef BFD64
|
addr[7] = (bfd_byte)(data >> (7*8));
|
addr[7] = (bfd_byte)(data >> (7*8));
|
addr[6] = (bfd_byte)(data >> (6*8));
|
addr[6] = (bfd_byte)(data >> (6*8));
|
addr[5] = (bfd_byte)(data >> (5*8));
|
addr[5] = (bfd_byte)(data >> (5*8));
|
addr[4] = (bfd_byte)(data >> (4*8));
|
addr[4] = (bfd_byte)(data >> (4*8));
|
addr[3] = (bfd_byte)(data >> (3*8));
|
addr[3] = (bfd_byte)(data >> (3*8));
|
addr[2] = (bfd_byte)(data >> (2*8));
|
addr[2] = (bfd_byte)(data >> (2*8));
|
addr[1] = (bfd_byte)(data >> (1*8));
|
addr[1] = (bfd_byte)(data >> (1*8));
|
addr[0] = (bfd_byte)(data >> (0*8));
|
addr[0] = (bfd_byte)(data >> (0*8));
|
#else
|
#else
|
BFD_FAIL();
|
BFD_FAIL();
|
#endif
|
#endif
|
}
|
}
|
|
|
/* Default implementation */
|
/* Default implementation */
|
|
|
boolean
|
boolean
|
_bfd_generic_get_section_contents (abfd, section, location, offset, count)
|
_bfd_generic_get_section_contents (abfd, section, location, offset, count)
|
bfd *abfd;
|
bfd *abfd;
|
sec_ptr section;
|
sec_ptr section;
|
PTR location;
|
PTR location;
|
file_ptr offset;
|
file_ptr offset;
|
bfd_size_type count;
|
bfd_size_type count;
|
{
|
{
|
if (count == 0)
|
if (count == 0)
|
return true;
|
return true;
|
|
|
if ((bfd_size_type) (offset + count) > section->_raw_size)
|
if ((bfd_size_type) (offset + count) > section->_raw_size)
|
{
|
{
|
bfd_set_error (bfd_error_invalid_operation);
|
bfd_set_error (bfd_error_invalid_operation);
|
return false;
|
return false;
|
}
|
}
|
|
|
if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0
|
if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0
|
|| bfd_read (location, (bfd_size_type) 1, count, abfd) != count)
|
|| bfd_read (location, (bfd_size_type) 1, count, abfd) != count)
|
return false;
|
return false;
|
|
|
return true;
|
return true;
|
}
|
}
|
|
|
boolean
|
boolean
|
_bfd_generic_get_section_contents_in_window (abfd, section, w, offset, count)
|
_bfd_generic_get_section_contents_in_window (abfd, section, w, offset, count)
|
bfd *abfd ATTRIBUTE_UNUSED;
|
bfd *abfd ATTRIBUTE_UNUSED;
|
sec_ptr section ATTRIBUTE_UNUSED;
|
sec_ptr section ATTRIBUTE_UNUSED;
|
bfd_window *w ATTRIBUTE_UNUSED;
|
bfd_window *w ATTRIBUTE_UNUSED;
|
file_ptr offset ATTRIBUTE_UNUSED;
|
file_ptr offset ATTRIBUTE_UNUSED;
|
bfd_size_type count ATTRIBUTE_UNUSED;
|
bfd_size_type count ATTRIBUTE_UNUSED;
|
{
|
{
|
#ifdef USE_MMAP
|
#ifdef USE_MMAP
|
if (count == 0)
|
if (count == 0)
|
return true;
|
return true;
|
if (abfd->xvec->_bfd_get_section_contents != _bfd_generic_get_section_contents)
|
if (abfd->xvec->_bfd_get_section_contents != _bfd_generic_get_section_contents)
|
{
|
{
|
/* We don't know what changes the bfd's get_section_contents
|
/* We don't know what changes the bfd's get_section_contents
|
method may have to make. So punt trying to map the file
|
method may have to make. So punt trying to map the file
|
window, and let get_section_contents do its thing. */
|
window, and let get_section_contents do its thing. */
|
/* @@ FIXME : If the internal window has a refcount of 1 and was
|
/* @@ FIXME : If the internal window has a refcount of 1 and was
|
allocated with malloc instead of mmap, just reuse it. */
|
allocated with malloc instead of mmap, just reuse it. */
|
bfd_free_window (w);
|
bfd_free_window (w);
|
w->i = (bfd_window_internal *) bfd_zmalloc (sizeof (bfd_window_internal));
|
w->i = (bfd_window_internal *) bfd_zmalloc (sizeof (bfd_window_internal));
|
if (w->i == NULL)
|
if (w->i == NULL)
|
return false;
|
return false;
|
w->i->data = (PTR) bfd_malloc ((size_t) count);
|
w->i->data = (PTR) bfd_malloc ((size_t) count);
|
if (w->i->data == NULL)
|
if (w->i->data == NULL)
|
{
|
{
|
free (w->i);
|
free (w->i);
|
w->i = NULL;
|
w->i = NULL;
|
return false;
|
return false;
|
}
|
}
|
w->i->mapped = 0;
|
w->i->mapped = 0;
|
w->i->refcount = 1;
|
w->i->refcount = 1;
|
w->size = w->i->size = count;
|
w->size = w->i->size = count;
|
w->data = w->i->data;
|
w->data = w->i->data;
|
return bfd_get_section_contents (abfd, section, w->data, offset, count);
|
return bfd_get_section_contents (abfd, section, w->data, offset, count);
|
}
|
}
|
if ((bfd_size_type) (offset+count) > section->_raw_size
|
if ((bfd_size_type) (offset+count) > section->_raw_size
|
|| (bfd_get_file_window (abfd, section->filepos + offset, count, w, true)
|
|| (bfd_get_file_window (abfd, section->filepos + offset, count, w, true)
|
== false))
|
== false))
|
return false;
|
return false;
|
return true;
|
return true;
|
#else
|
#else
|
abort ();
|
abort ();
|
#endif
|
#endif
|
}
|
}
|
|
|
/* This generic function can only be used in implementations where creating
|
/* This generic function can only be used in implementations where creating
|
NEW sections is disallowed. It is useful in patching existing sections
|
NEW sections is disallowed. It is useful in patching existing sections
|
in read-write files, though. See other set_section_contents functions
|
in read-write files, though. See other set_section_contents functions
|
to see why it doesn't work for new sections. */
|
to see why it doesn't work for new sections. */
|
boolean
|
boolean
|
_bfd_generic_set_section_contents (abfd, section, location, offset, count)
|
_bfd_generic_set_section_contents (abfd, section, location, offset, count)
|
bfd *abfd;
|
bfd *abfd;
|
sec_ptr section;
|
sec_ptr section;
|
PTR location;
|
PTR location;
|
file_ptr offset;
|
file_ptr offset;
|
bfd_size_type count;
|
bfd_size_type count;
|
{
|
{
|
if (count == 0)
|
if (count == 0)
|
return true;
|
return true;
|
|
|
if (bfd_seek (abfd, (file_ptr) (section->filepos + offset), SEEK_SET) == -1
|
if (bfd_seek (abfd, (file_ptr) (section->filepos + offset), SEEK_SET) == -1
|
|| bfd_write (location, (bfd_size_type) 1, count, abfd) != count)
|
|| bfd_write (location, (bfd_size_type) 1, count, abfd) != count)
|
return false;
|
return false;
|
|
|
return true;
|
return true;
|
}
|
}
|
|
|
/*
|
/*
|
INTERNAL_FUNCTION
|
INTERNAL_FUNCTION
|
bfd_log2
|
bfd_log2
|
|
|
SYNOPSIS
|
SYNOPSIS
|
unsigned int bfd_log2(bfd_vma x);
|
unsigned int bfd_log2(bfd_vma x);
|
|
|
DESCRIPTION
|
DESCRIPTION
|
Return the log base 2 of the value supplied, rounded up. E.g., an
|
Return the log base 2 of the value supplied, rounded up. E.g., an
|
@var{x} of 1025 returns 11.
|
@var{x} of 1025 returns 11.
|
*/
|
*/
|
|
|
unsigned int
|
unsigned int
|
bfd_log2 (x)
|
bfd_log2 (x)
|
bfd_vma x;
|
bfd_vma x;
|
{
|
{
|
unsigned int result = 0;
|
unsigned int result = 0;
|
|
|
while ((x = (x >> 1)) != 0)
|
while ((x = (x >> 1)) != 0)
|
++result;
|
++result;
|
return result;
|
return result;
|
}
|
}
|
|
|
boolean
|
boolean
|
bfd_generic_is_local_label_name (abfd, name)
|
bfd_generic_is_local_label_name (abfd, name)
|
bfd *abfd;
|
bfd *abfd;
|
const char *name;
|
const char *name;
|
{
|
{
|
char locals_prefix = (bfd_get_symbol_leading_char (abfd) == '_') ? 'L' : '.';
|
char locals_prefix = (bfd_get_symbol_leading_char (abfd) == '_') ? 'L' : '.';
|
|
|
return (name[0] == locals_prefix);
|
return (name[0] == locals_prefix);
|
}
|
}
|
|
|
/* Can be used from / for bfd_merge_private_bfd_data to check that
|
/* Can be used from / for bfd_merge_private_bfd_data to check that
|
endianness matches between input and output file. Returns
|
endianness matches between input and output file. Returns
|
true for a match, otherwise returns false and emits an error. */
|
true for a match, otherwise returns false and emits an error. */
|
boolean
|
boolean
|
_bfd_generic_verify_endian_match (ibfd, obfd)
|
_bfd_generic_verify_endian_match (ibfd, obfd)
|
bfd *ibfd;
|
bfd *ibfd;
|
bfd *obfd;
|
bfd *obfd;
|
{
|
{
|
if (ibfd->xvec->byteorder != obfd->xvec->byteorder
|
if (ibfd->xvec->byteorder != obfd->xvec->byteorder
|
&& obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
|
&& obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
("%s: compiled for a %s endian system and target is %s endian",
|
("%s: compiled for a %s endian system and target is %s endian",
|
bfd_get_filename (ibfd),
|
bfd_get_filename (ibfd),
|
bfd_big_endian (ibfd) ? "big" : "little",
|
bfd_big_endian (ibfd) ? "big" : "little",
|
bfd_big_endian (obfd) ? "big" : "little");
|
bfd_big_endian (obfd) ? "big" : "little");
|
|
|
bfd_set_error (bfd_error_wrong_format);
|
bfd_set_error (bfd_error_wrong_format);
|
return false;
|
return false;
|
}
|
}
|
|
|
return true;
|
return true;
|
}
|
}
|
|
|
