/* BFD back-end for binary objects.
- Copyright (C) 1994-2014 Free Software Foundation, Inc.
+ Copyright (C) 1994-2021 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.
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, 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
- this may be used as an output format for objcopy in order to
- generate raw binary data.
+/* This is a BFD backend which may be used to read or write binary
+ objects. Historically, it was used as an output format for objcopy
+ in order to generate raw binary data, but is now used for other
+ purposes as well.
This is very simple. The only complication is that the real data
will start at some address X, and in some cases we will not want to
/* Create a binary object. Invoked via bfd_set_format. */
-static bfd_boolean
+static bool
binary_mkobject (bfd *abfd ATTRIBUTE_UNUSED)
{
- return TRUE;
+ return true;
}
/* Any file may be considered to be a binary file, provided the target
was not defaulted. That is, it must be explicitly specified as
being binary. */
-static const bfd_target *
+static bfd_cleanup
binary_object_p (bfd *abfd)
{
struct stat statbuf;
abfd->tdata.any = (void *) sec;
- return abfd->xvec;
+ return _bfd_no_cleanup;
}
#define binary_close_and_cleanup _bfd_generic_close_and_cleanup
/* Get contents of the only section. */
-static bfd_boolean
+static bool
binary_get_section_contents (bfd *abfd,
- asection *section ATTRIBUTE_UNUSED,
+ asection *section,
void * location,
file_ptr offset,
bfd_size_type count)
{
- if (bfd_seek (abfd, offset, SEEK_SET) != 0
+ if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0
|| bfd_bread (location, count, abfd) != count)
- return FALSE;
- return TRUE;
+ return false;
+ return true;
}
/* Return the amount of memory needed to read the symbol table. */
asection *sec = (asection *) abfd->tdata.any;
asymbol *syms;
unsigned int i;
- bfd_size_type amt = BIN_SYMS * sizeof (asymbol);
+ size_t amt = BIN_SYMS * sizeof (asymbol);
syms = (asymbol *) bfd_alloc (abfd, amt);
if (syms == NULL)
bfd_symbol_info (symbol, ret);
}
-#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_find_line _bfd_nosymbols_find_line
-#define binary_find_inliner_info _bfd_nosymbols_find_inliner_info
-#define binary_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
-#define binary_read_minisymbols _bfd_generic_read_minisymbols
-#define binary_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
-#define binary_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
+#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_find_line _bfd_nosymbols_find_line
+#define binary_find_inliner_info _bfd_nosymbols_find_inliner_info
+#define binary_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
+#define binary_read_minisymbols _bfd_generic_read_minisymbols
+#define binary_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
+#define binary_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false
/* Set the architecture of a binary file. */
#define binary_set_arch_mach _bfd_generic_set_arch_mach
/* Write section contents of a binary file. */
-static bfd_boolean
+static bool
binary_set_section_contents (bfd *abfd,
asection *sec,
const void * data,
bfd_size_type size)
{
if (size == 0)
- return TRUE;
+ return true;
if (! abfd->output_has_begun)
{
- bfd_boolean found_low;
+ bool 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;
+ of the file. We use this to set the file position of all the
+ sections. */
+ found_low = false;
low = 0;
for (s = abfd->sections; s != NULL; s = s->next)
if (((s->flags
&& (! found_low || s->lma < low))
{
low = s->lma;
- found_low = TRUE;
+ found_low = true;
}
for (s = abfd->sections; s != NULL; s = s->next)
{
- s->filepos = s->lma - low;
+ unsigned int opb = bfd_octets_per_byte (abfd, s);
+
+ s->filepos = (s->lma - low) * opb;
/* Skip following warning check for sections that will not
occupy file space. */
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);
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("warning: writing section `%pA' at huge (ie negative) "
+ "file offset"),
+ s);
}
- 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);
}
}
#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_lookup_section_flags bfd_generic_lookup_section_flags
-#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_section_already_linked _bfd_generic_section_already_linked
-#define binary_bfd_define_common_symbol bfd_generic_define_common_symbol
-#define binary_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
-#define binary_bfd_link_just_syms _bfd_generic_link_just_syms
-#define binary_bfd_copy_link_hash_symbol_type \
- _bfd_generic_copy_link_hash_symbol_type
-#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
+#define binary_bfd_relax_section bfd_generic_relax_section
+#define binary_bfd_gc_sections bfd_generic_gc_sections
+#define binary_bfd_lookup_section_flags bfd_generic_lookup_section_flags
+#define binary_bfd_merge_sections bfd_generic_merge_sections
+#define binary_bfd_is_group_section bfd_generic_is_group_section
+#define binary_bfd_group_name bfd_generic_group_name
+#define binary_bfd_discard_group bfd_generic_discard_group
+#define binary_section_already_linked _bfd_generic_section_already_linked
+#define binary_bfd_define_common_symbol bfd_generic_define_common_symbol
+#define binary_bfd_link_hide_symbol _bfd_generic_link_hide_symbol
+#define binary_bfd_define_start_stop bfd_generic_define_start_stop
+#define binary_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
+#define binary_bfd_link_just_syms _bfd_generic_link_just_syms
+#define binary_bfd_copy_link_hash_symbol_type _bfd_generic_copy_link_hash_symbol_type
+#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
+#define binary_bfd_link_check_relocs _bfd_generic_link_check_relocs
const bfd_target binary_vec =
{
' ', /* ar_pad_char */
16, /* ar_max_namelen */
255, /* match priority. */
+ TARGET_KEEP_UNUSED_SECTION_SYMBOLS, /* keep unused section symbols. */
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
_bfd_dummy_target,
},
{ /* bfd_set_format */
- bfd_false,
+ _bfd_bool_bfd_false_error,
binary_mkobject,
- bfd_false,
- bfd_false,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
},
{ /* bfd_write_contents */
- bfd_false,
- bfd_true,
- bfd_false,
- bfd_false,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_true,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
},
BFD_JUMP_TABLE_GENERIC (binary),
projects / deliverable / binutils-gdb.git / blobdiff