/* BFD back-end for Motorola 68000 COFF binaries.
- Copyright 1990, 91, 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000
+ Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
#ifdef STATIC_RELOCS
static
#endif
-reloc_howto_type m68kcoff_howto_table[] =
+reloc_howto_type m68kcoff_howto_table[] =
{
HOWTO(R_RELBYTE, 0, 0, 8, false, 0, complain_overflow_bitfield, RELOC_SPECIAL_FN, "8", true, 0x000000ff,0x000000ff, false),
HOWTO(R_RELWORD, 0, 1, 16, false, 0, complain_overflow_bitfield, RELOC_SPECIAL_FN, "16", true, 0x0000ffff,0x0000ffff, false),
arelent *internal;
int relocentry;
{
- switch (relocentry)
+ switch (relocentry)
{
case R_RELBYTE: internal->howto = m68kcoff_howto_table + 0; break;
case R_RELWORD: internal->howto = m68kcoff_howto_table + 1; break;
#ifdef STATIC_RELOCS
static
#endif
-int
+int
m68k_howto2rtype (internal)
reloc_howto_type *internal;
{
- if (internal->pc_relative)
+ if (internal->pc_relative)
{
- switch (internal->bitsize)
+ switch (internal->bitsize)
{
case 32: return R_PCRLONG;
case 16: return R_PCRWORD;
case 8: return R_PCRBYTE;
}
}
- else
+ else
{
- switch (internal->bitsize)
+ switch (internal->bitsize)
{
case 32: return R_RELLONG;
case 16: return R_RELWORD;
case 8: return R_RELBYTE;
}
}
- return R_RELLONG;
+ return R_RELLONG;
}
#ifdef STATIC_RELOCS
#endif
reloc_howto_type *
m68k_reloc_type_lookup (abfd, code)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
switch (code)
struct coff_link_hash_entry *, struct internal_syment *,
bfd_vma *));
-/*ARGSUSED*/
static reloc_howto_type *
m68kcoff_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
asection *sec;
struct internal_reloc *rel;
- struct coff_link_hash_entry *h;
- struct internal_syment *sym;
+ struct coff_link_hash_entry *h ATTRIBUTE_UNUSED;
+ struct internal_syment *sym ATTRIBUTE_UNUSED;
bfd_vma *addendp;
{
arelent relent;
arelent *reloc_entry;
asymbol *symbol;
PTR data;
- asection *input_section;
+ asection *input_section ATTRIBUTE_UNUSED;
bfd *output_bfd;
- char **error_message;
+ char **error_message ATTRIBUTE_UNUSED;
{
symvalue diff;
/* coff-m68k.c uses the special COFF backend linker. We need to
adjust common symbols. */
-/*ARGSUSED*/
static reloc_howto_type *
m68kcoff_common_addend_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
asection *sec;
struct internal_reloc *rel;
struct coff_link_hash_entry *h;
#endif /* ! defined (coff_rtype_to_howto) */
#endif /* COFF_COMMON_ADDEND */
+
+#if !defined ONLY_DECLARE_RELOCS && ! defined STATIC_RELOCS
+/* Given a .data section and a .emreloc in-memory section, store
+ relocation information into the .emreloc section which can be
+ used at runtime to relocate the section. This is called by the
+ linker when the --embedded-relocs switch is used. This is called
+ after the add_symbols entry point has been called for all the
+ objects, and before the final_link entry point is called. */
+
+boolean
+bfd_m68k_coff_create_embedded_relocs (abfd, info, datasec, relsec, errmsg)
+ bfd *abfd;
+ struct bfd_link_info *info;
+ asection *datasec;
+ asection *relsec;
+ char **errmsg;
+{
+ char *extsyms;
+ bfd_size_type symesz;
+ struct internal_reloc *irel, *irelend;
+ bfd_byte *p;
+
+ BFD_ASSERT (! info->relocateable);
+
+ *errmsg = NULL;
+
+ if (datasec->reloc_count == 0)
+ return true;
+
+ extsyms = obj_coff_external_syms (abfd);
+ symesz = bfd_coff_symesz (abfd);
+
+ irel = _bfd_coff_read_internal_relocs (abfd, datasec, true, NULL, false,
+ NULL);
+ irelend = irel + datasec->reloc_count;
+
+ relsec->contents = (bfd_byte *) bfd_alloc (abfd, datasec->reloc_count * 12);
+ if (relsec->contents == NULL)
+ return false;
+
+ p = relsec->contents;
+
+ for (; irel < irelend; irel++, p += 12)
+ {
+ asection *targetsec;
+
+ /* We are going to write a four byte longword into the runtime
+ reloc section. The longword will be the address in the data
+ section which must be relocated. It is followed by the name
+ of the target section NUL-padded or truncated to 8
+ characters. */
+
+ /* We can only relocate absolute longword relocs at run time. */
+ if (irel->r_type != R_RELLONG)
+ {
+ *errmsg = _("unsupported reloc type");
+ bfd_set_error (bfd_error_bad_value);
+ return false;
+ }
+
+ if (irel->r_symndx == -1)
+ targetsec = bfd_abs_section_ptr;
+ else
+ {
+ struct coff_link_hash_entry *h;
+
+ h = obj_coff_sym_hashes (abfd)[irel->r_symndx];
+ if (h == NULL)
+ {
+ struct internal_syment isym;
+
+ bfd_coff_swap_sym_in (abfd, extsyms + symesz * irel->r_symndx,
+ &isym);
+ targetsec = coff_section_from_bfd_index (abfd, isym.n_scnum);
+ }
+ else if (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
+ targetsec = h->root.u.def.section;
+ else
+ targetsec = NULL;
+ }
+
+ bfd_put_32 (abfd,
+ (irel->r_vaddr - datasec->vma + datasec->output_offset), p);
+ memset (p + 4, 0, 8);
+ if (targetsec != NULL)
+ strncpy (p + 4, targetsec->output_section->name, 8);
+ }
+
+ return true;
+}
+#endif /* neither ONLY_DECLARE_RELOCS not STATIC_RELOCS */
\f
#define coff_bfd_is_local_label_name m68k_coff_is_local_label_name
#define TARGET_NAME "coff-m68k"
#endif
-const bfd_target TARGET_SYM =
-{
- TARGET_NAME,
- bfd_target_coff_flavour,
- BFD_ENDIAN_BIG, /* data byte order is big */
- BFD_ENDIAN_BIG, /* header byte order is big */
-
- (HAS_RELOC | EXEC_P | /* object flags */
- HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
-
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
#ifdef NAMES_HAVE_UNDERSCORE
- '_',
+CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, D_PAGED, 0, '_', NULL)
#else
- 0, /* leading underscore */
+CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, D_PAGED, 0, 0, NULL)
#endif
- '/', /* ar_pad_char */
- 15, /* ar_max_namelen */
- 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_getb64, bfd_getb_signed_64, bfd_putb64,
- bfd_getb32, bfd_getb_signed_32, bfd_putb32,
- bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
-
- {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
- bfd_generic_archive_p, _bfd_dummy_target},
- {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
- bfd_false},
- {bfd_false, coff_write_object_contents, /* bfd_write_contents */
- _bfd_write_archive_contents, bfd_false},
-
- BFD_JUMP_TABLE_GENERIC (coff),
- BFD_JUMP_TABLE_COPY (coff),
- BFD_JUMP_TABLE_CORE (_bfd_nocore),
- BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
- BFD_JUMP_TABLE_SYMBOLS (coff),
- BFD_JUMP_TABLE_RELOCS (coff),
- BFD_JUMP_TABLE_WRITE (coff),
- BFD_JUMP_TABLE_LINK (coff),
- BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
-
- COFF_SWAP_TABLE
-};
projects / deliverable / binutils-gdb.git / blobdiff