#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "bfdlink.h"
static bfd_boolean
simple_dummy_warning (struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
const char *warning ATTRIBUTE_UNUSED,
const char *symbol ATTRIBUTE_UNUSED,
bfd *abfd ATTRIBUTE_UNUSED,
asection *section ATTRIBUTE_UNUSED,
bfd_vma address ATTRIBUTE_UNUSED)
{
return TRUE;
}
static bfd_boolean
simple_dummy_undefined_symbol (struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
const char *name ATTRIBUTE_UNUSED,
bfd *abfd ATTRIBUTE_UNUSED,
asection *section ATTRIBUTE_UNUSED,
bfd_vma address ATTRIBUTE_UNUSED,
bfd_boolean fatal ATTRIBUTE_UNUSED)
{
return TRUE;
}
static bfd_boolean
simple_dummy_reloc_overflow (struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
struct bfd_link_hash_entry *entry ATTRIBUTE_UNUSED,
const char *name ATTRIBUTE_UNUSED,
const char *reloc_name ATTRIBUTE_UNUSED,
bfd_vma addend ATTRIBUTE_UNUSED,
bfd *abfd ATTRIBUTE_UNUSED,
asection *section ATTRIBUTE_UNUSED,
bfd_vma address ATTRIBUTE_UNUSED)
{
return TRUE;
}
static bfd_boolean
simple_dummy_reloc_dangerous (struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
const char *message ATTRIBUTE_UNUSED,
bfd *abfd ATTRIBUTE_UNUSED,
asection *section ATTRIBUTE_UNUSED,
bfd_vma address ATTRIBUTE_UNUSED)
{
return TRUE;
}
static bfd_boolean
simple_dummy_unattached_reloc (struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
const char *name ATTRIBUTE_UNUSED,
bfd *abfd ATTRIBUTE_UNUSED,
asection *section ATTRIBUTE_UNUSED,
bfd_vma address ATTRIBUTE_UNUSED)
{
return TRUE;
}
static bfd_boolean
simple_dummy_multiple_definition (struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
const char *name ATTRIBUTE_UNUSED,
bfd *obfd ATTRIBUTE_UNUSED,
asection *osec ATTRIBUTE_UNUSED,
bfd_vma oval ATTRIBUTE_UNUSED,
bfd *nbfd ATTRIBUTE_UNUSED,
asection *nsec ATTRIBUTE_UNUSED,
bfd_vma nval ATTRIBUTE_UNUSED)
{
return TRUE;
}
static void
simple_dummy_einfo (const char *fmt ATTRIBUTE_UNUSED, ...)
{
}
struct saved_output_info
{
bfd_vma offset;
asection *section;
};
static void
simple_save_output_info (bfd *abfd ATTRIBUTE_UNUSED,
asection *section,
void *ptr)
{
struct saved_output_info *output_info = ptr;
output_info[section->index].offset = section->output_offset;
output_info[section->index].section = section->output_section;
if ((section->flags & SEC_DEBUGGING) != 0
|| section->output_section == NULL)
{
section->output_offset = 0;
section->output_section = section;
}
}
static void
simple_restore_output_info (bfd *abfd ATTRIBUTE_UNUSED,
asection *section,
void *ptr)
{
struct saved_output_info *output_info = ptr;
section->output_offset = output_info[section->index].offset;
section->output_section = output_info[section->index].section;
}
bfd_byte *
bfd_simple_get_relocated_section_contents (bfd *abfd,
asection *sec,
bfd_byte *outbuf,
asymbol **symbol_table)
{
struct bfd_link_info link_info;
struct bfd_link_order link_order;
struct bfd_link_callbacks callbacks;
bfd_byte *contents, *data;
int storage_needed;
void *saved_offsets;
if (! (sec->flags & SEC_RELOC))
{
bfd_size_type amt = sec->rawsize > sec->size ? sec->rawsize : sec->size;
bfd_size_type size = sec->rawsize ? sec->rawsize : sec->size;
if (outbuf == NULL)
contents = bfd_malloc (amt);
else
contents = outbuf;
if (contents)
bfd_get_section_contents (abfd, sec, contents, 0, size);
return contents;
}
memset (&link_info, 0, sizeof (link_info));
link_info.input_bfds = abfd;
link_info.hash = _bfd_generic_link_hash_table_create (abfd);
link_info.callbacks = &callbacks;
callbacks.warning = simple_dummy_warning;
callbacks.undefined_symbol = simple_dummy_undefined_symbol;
callbacks.reloc_overflow = simple_dummy_reloc_overflow;
callbacks.reloc_dangerous = simple_dummy_reloc_dangerous;
callbacks.unattached_reloc = simple_dummy_unattached_reloc;
callbacks.multiple_definition = simple_dummy_multiple_definition;
callbacks.einfo = simple_dummy_einfo;
memset (&link_order, 0, sizeof (link_order));
link_order.next = NULL;
link_order.type = bfd_indirect_link_order;
link_order.offset = 0;
link_order.size = sec->size;
link_order.u.indirect.section = sec;
data = NULL;
if (outbuf == NULL)
{
data = bfd_malloc (sec->size);
if (data == NULL)
return NULL;
outbuf = data;
}
saved_offsets = malloc (sizeof (struct saved_output_info)
* abfd->section_count);
if (saved_offsets == NULL)
{
if (data)
free (data);
return NULL;
}
bfd_map_over_sections (abfd, simple_save_output_info, saved_offsets);
if (symbol_table == NULL)
{
_bfd_generic_link_add_symbols (abfd, &link_info);
storage_needed = bfd_get_symtab_upper_bound (abfd);
symbol_table = bfd_malloc (storage_needed);
bfd_canonicalize_symtab (abfd, symbol_table);
}
else
storage_needed = 0;
contents = bfd_get_relocated_section_contents (abfd,
&link_info,
&link_order,
outbuf,
0,
symbol_table);
if (contents == NULL && data != NULL)
free (data);
bfd_map_over_sections (abfd, simple_restore_output_info, saved_offsets);
free (saved_offsets);
_bfd_generic_link_hash_table_free (link_info.hash);
return contents;
}