/* 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
+ 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.
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:
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 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));
+/* Set by external programs - specifies the BFD architecture
+ to use when creating binary BFDs. */
+enum bfd_architecture bfd_external_binary_architecture = bfd_arch_unknown;
+
/* Create a binary object. Invoked via bfd_set_format. */
static boolean
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, 0));
+ }
+
return abfd->xvec;
}
bfd_size_type count;
{
if (bfd_seek (abfd, offset, SEEK_SET) != 0
- || bfd_read (location, 1, count, abfd) != count)
+ || bfd_bread (location, count, abfd) != count)
return false;
return true;
}
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;
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 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. */
file_ptr offset;
bfd_size_type size;
{
+ if (size == 0)
+ return true;
+
if (! abfd->output_has_begun)
{
boolean found_low;
if (((s->flags
& (SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_NEVER_LOAD))
== (SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC))
+ && (s->_raw_size > 0)
&& (! found_low || s->lma < low))
{
low = s->lma;
s->filepos = s->lma - low;
/* Skip following warning check for sections that will not
- occupy file space. */
+ 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->_raw_size == 0))
continue;
/* If attempting to generate a binary file from a bfd with
LMA's all over the place, huge (sparse?) binary files may
result. This condition attempts to detect this situation
and print a warning. Better heuristics would be nice to
- have. */
+ have. */
if (s->filepos < 0)
(*_bfd_error_handler)
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_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
BFD_JUMP_TABLE_LINK (binary),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+ NULL,
+
NULL
};