/* BFD back-end for binary objects.
- Copyright 1994, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
+ Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+ 2004 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>
-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 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* This is a BFD backend which may be used to write binary objects.
It may only be used for output, not input. The intention is that
the file. objcopy cooperates by specially setting the start
address to zero by default. */
-#include <ctype.h>
-
#include "bfd.h"
#include "sysdep.h"
+#include "safe-ctype.h"
#include "libbfd.h"
/* Any bfd we create by reading a binary file has three symbols:
a start symbol, an end symbol, and an absolute length symbol. */
#define BIN_SYMS 3
-static boolean binary_mkobject PARAMS ((bfd *));
+static bfd_boolean binary_mkobject PARAMS ((bfd *));
static const bfd_target *binary_object_p PARAMS ((bfd *));
-static boolean binary_get_section_contents
+static bfd_boolean binary_get_section_contents
PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
static long binary_get_symtab_upper_bound PARAMS ((bfd *));
static char *mangle_name PARAMS ((bfd *, char *));
-static long binary_get_symtab PARAMS ((bfd *, asymbol **));
-static asymbol *binary_make_empty_symbol PARAMS ((bfd *));
+static long binary_canonicalize_symtab PARAMS ((bfd *, asymbol **));
static void binary_get_symbol_info PARAMS ((bfd *, asymbol *, symbol_info *));
-static boolean binary_set_section_contents
- PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
-static int binary_sizeof_headers PARAMS ((bfd *, boolean));
+static bfd_boolean binary_set_section_contents
+ PARAMS ((bfd *, asection *, const PTR, file_ptr, bfd_size_type));
+static int binary_sizeof_headers PARAMS ((bfd *, bfd_boolean));
+
+/* Set by external programs - specifies the BFD architecture and
+ machine number to be uses when creating binary BFDs. */
+enum bfd_architecture bfd_external_binary_architecture = bfd_arch_unknown;
+unsigned long bfd_external_machine = 0;
/* Create a binary object. Invoked via bfd_set_format. */
-static boolean
+static bfd_boolean
binary_mkobject (abfd)
bfd *abfd ATTRIBUTE_UNUSED;
{
- return true;
+ return TRUE;
}
/* Any file may be considered to be a binary file, provided the target
return NULL;
sec->flags = SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_HAS_CONTENTS;
sec->vma = 0;
- sec->_raw_size = statbuf.st_size;
+ sec->size = statbuf.st_size;
sec->filepos = 0;
abfd->tdata.any = (PTR) sec;
+ if (bfd_get_arch_info (abfd) != NULL)
+ {
+ if ((bfd_get_arch_info (abfd)->arch == bfd_arch_unknown)
+ && (bfd_external_binary_architecture != bfd_arch_unknown))
+ bfd_set_arch_info (abfd, bfd_lookup_arch
+ (bfd_external_binary_architecture, bfd_external_machine));
+ }
+
return abfd->xvec;
}
/* Get contents of the only section. */
-static boolean
+static bfd_boolean
binary_get_section_contents (abfd, section, location, offset, count)
bfd *abfd;
asection *section ATTRIBUTE_UNUSED;
bfd_size_type count;
{
if (bfd_seek (abfd, offset, SEEK_SET) != 0
- || bfd_read (location, 1, count, abfd) != count)
- return false;
- return true;
+ || bfd_bread (location, count, abfd) != count)
+ return FALSE;
+ return TRUE;
}
/* Return the amount of memory needed to read the symbol table. */
bfd *abfd;
char *suffix;
{
- int size;
+ bfd_size_type size;
char *buf;
char *p;
/* Change any non-alphanumeric characters to underscores. */
for (p = buf; *p; p++)
- if (! isalnum ((unsigned char) *p))
+ if (! ISALNUM (*p))
*p = '_';
return buf;
/* Return the symbol table. */
static long
-binary_get_symtab (abfd, alocation)
+binary_canonicalize_symtab (abfd, alocation)
bfd *abfd;
asymbol **alocation;
{
asection *sec = (asection *) abfd->tdata.any;
asymbol *syms;
unsigned int i;
+ bfd_size_type amt = BIN_SYMS * sizeof (asymbol);
- syms = (asymbol *) bfd_alloc (abfd, BIN_SYMS * sizeof (asymbol));
+ syms = (asymbol *) bfd_alloc (abfd, amt);
if (syms == NULL)
- return false;
+ return 0;
/* Start symbol. */
syms[0].the_bfd = abfd;
/* End symbol. */
syms[1].the_bfd = abfd;
syms[1].name = mangle_name (abfd, "end");
- syms[1].value = sec->_raw_size;
+ syms[1].value = sec->size;
syms[1].flags = BSF_GLOBAL;
syms[1].section = sec;
syms[1].udata.p = NULL;
/* Size symbol. */
syms[2].the_bfd = abfd;
syms[2].name = mangle_name (abfd, "size");
- syms[2].value = sec->_raw_size;
+ syms[2].value = sec->size;
syms[2].flags = BSF_GLOBAL;
syms[2].section = bfd_abs_section_ptr;
syms[2].udata.p = NULL;
return BIN_SYMS;
}
-/* Make an empty symbol. */
-
-static asymbol *
-binary_make_empty_symbol (abfd)
- bfd *abfd;
-{
- return (asymbol *) bfd_alloc (abfd, sizeof (asymbol));
-}
-
+#define binary_make_empty_symbol _bfd_generic_make_empty_symbol
#define binary_print_symbol _bfd_nosymbols_print_symbol
/* Get information about a symbol. */
/* Write section contents of a binary file. */
-static boolean
+static bfd_boolean
binary_set_section_contents (abfd, sec, data, offset, size)
bfd *abfd;
asection *sec;
- PTR data;
+ const PTR data;
file_ptr offset;
bfd_size_type size;
{
+ if (size == 0)
+ return TRUE;
+
if (! abfd->output_has_begun)
{
- boolean found_low;
+ bfd_boolean found_low;
bfd_vma low;
asection *s;
/* The lowest section LMA sets the virtual address of the start
of the file. We use this to set the file position of all the
sections. */
- found_low = false;
+ found_low = FALSE;
low = 0;
for (s = abfd->sections; s != NULL; s = s->next)
if (((s->flags
& (SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_NEVER_LOAD))
== (SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC))
+ && (s->size > 0)
&& (! found_low || s->lma < low))
{
low = s->lma;
- found_low = true;
+ found_low = TRUE;
}
for (s = abfd->sections; s != NULL; s = s->next)
occupy file space. */
if ((s->flags
& (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_NEVER_LOAD))
- != (SEC_HAS_CONTENTS | SEC_ALLOC))
+ != (SEC_HAS_CONTENTS | SEC_ALLOC)
+ || (s->size == 0))
continue;
/* If attempting to generate a binary file from a bfd with
(unsigned long) s->filepos);
}
- abfd->output_has_begun = true;
+ abfd->output_has_begun = TRUE;
}
/* We don't want to output anything for a section that is neither
loaded nor allocated. The contents of such a section are not
meaningful in the binary format. */
if ((sec->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
- return true;
+ return TRUE;
if ((sec->flags & SEC_NEVER_LOAD) != 0)
- return true;
+ return TRUE;
return _bfd_generic_set_section_contents (abfd, sec, data, offset, size);
}
static int
binary_sizeof_headers (abfd, exec)
bfd *abfd ATTRIBUTE_UNUSED;
- boolean exec ATTRIBUTE_UNUSED;
+ bfd_boolean exec ATTRIBUTE_UNUSED;
{
return 0;
}
bfd_generic_get_relocated_section_contents
#define binary_bfd_relax_section bfd_generic_relax_section
#define binary_bfd_gc_sections bfd_generic_gc_sections
+#define binary_bfd_merge_sections bfd_generic_merge_sections
+#define binary_bfd_is_group_section bfd_generic_is_group_section
+#define binary_bfd_discard_group bfd_generic_discard_group
#define binary_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
+#define binary_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
+#define binary_bfd_link_just_syms _bfd_generic_link_just_syms
#define binary_bfd_link_add_symbols _bfd_generic_link_add_symbols
#define binary_bfd_final_link _bfd_generic_final_link
#define binary_bfd_link_split_section _bfd_generic_link_split_section
projects / thirdparty / binutils-gdb.git / blobdiff