/* BFD back-end for binary objects.
- Copyright 1994 Free Software Foundation, Inc.
+ Copyright 1994, 95, 96, 97, 98, 1999 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.
static boolean
binary_mkobject (abfd)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
{
return true;
}
static boolean
binary_get_section_contents (abfd, section, location, offset, count)
bfd *abfd;
- asection *section;
+ asection *section ATTRIBUTE_UNUSED;
PTR location;
file_ptr offset;
bfd_size_type count;
static long
binary_get_symtab_upper_bound (abfd)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
{
return (BIN_SYMS + 1) * sizeof (asymbol *);
}
buf = (char *) bfd_alloc (abfd, size);
if (buf == NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return "";
sprintf (buf, "_binary_%s_%s", bfd_get_filename (abfd), suffix);
/* Change any non-alphanumeric characters to underscores. */
for (p = buf; *p; p++)
- if (! isalnum (*p))
+ if (! isalnum ((unsigned char) *p))
*p = '_';
return buf;
syms = (asymbol *) bfd_alloc (abfd, BIN_SYMS * sizeof (asymbol));
if (syms == NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return false;
/* Start symbol. */
syms[0].the_bfd = abfd;
binary_make_empty_symbol (abfd)
bfd *abfd;
{
- asymbol *ret;
-
- ret = (asymbol *) bfd_alloc (abfd, sizeof (asymbol));
- if (ret == NULL)
- bfd_set_error (bfd_error_no_memory);
- return ret;
+ return (asymbol *) bfd_alloc (abfd, sizeof (asymbol));
}
#define binary_print_symbol _bfd_nosymbols_print_symbol
static void
binary_get_symbol_info (ignore_abfd, symbol, ret)
- bfd *ignore_abfd;
+ bfd *ignore_abfd ATTRIBUTE_UNUSED;
asymbol *symbol;
symbol_info *ret;
{
bfd_symbol_info (symbol, ret);
}
-#define binary_bfd_is_local_label bfd_generic_is_local_label
+#define binary_bfd_is_local_label_name bfd_generic_is_local_label_name
#define binary_get_lineno _bfd_nosymbols_get_lineno
#define binary_find_nearest_line _bfd_nosymbols_find_nearest_line
#define binary_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
{
if (! abfd->output_has_begun)
{
+ boolean found_low;
bfd_vma low;
asection *s;
- /* The lowest section VMA sets the virtual address of the start
- of the file. We use the set the file position of all the
+ /* 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. */
- low = abfd->sections->vma;
- for (s = abfd->sections->next; s != NULL; s = s->next)
- if (s->vma < low)
- low = s->vma;
+ 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))
+ && (! found_low || s->lma < low))
+ {
+ low = s->lma;
+ found_low = true;
+ }
for (s = abfd->sections; s != NULL; s = s->next)
- s->filepos = s->vma - low;
+ {
+ s->filepos = s->lma - low;
+
+ /* Skip following warning check for sections that will not
+ occupy file space. */
+ if ((s->flags
+ & (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_NEVER_LOAD))
+ != (SEC_HAS_CONTENTS | SEC_ALLOC))
+ 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. */
+
+ if (s->filepos < 0)
+ (*_bfd_error_handler)
+ (_("Warning: Writing section `%s' to huge (ie negative) file offset 0x%lx."),
+ bfd_get_section_name (abfd, s),
+ (unsigned long) s->filepos);
+ }
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;
+ if ((sec->flags & SEC_NEVER_LOAD) != 0)
+ return true;
+
return _bfd_generic_set_section_contents (abfd, sec, data, offset, size);
}
static int
binary_sizeof_headers (abfd, exec)
- bfd *abfd;
- boolean exec;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ boolean exec ATTRIBUTE_UNUSED;
{
return 0;
}
#define binary_bfd_get_relocated_section_contents \
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_link_hash_table_create _bfd_generic_link_hash_table_create
#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
+#define binary_get_section_contents_in_window \
+ _bfd_generic_get_section_contents_in_window
const bfd_target binary_vec =
{
"binary", /* name */
bfd_target_unknown_flavour, /* flavour */
- true, /* byteorder_big_p */
- true, /* header_byteorder_big_p */
+ BFD_ENDIAN_UNKNOWN, /* byteorder */
+ BFD_ENDIAN_UNKNOWN, /* header_byteorder */
EXEC_P, /* object_flags */
(SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_DATA
| SEC_ROM | SEC_HAS_CONTENTS), /* section_flags */
BFD_JUMP_TABLE_LINK (binary),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+ NULL,
+
NULL
};
projects / deliverable / binutils-gdb.git / blobdiff