+ switch (relocentry)
+ {
+ case R_RELBYTE: internal->howto = m68kcoff_howto_table + 0; break;
+ case R_RELWORD: internal->howto = m68kcoff_howto_table + 1; break;
+ case R_RELLONG: internal->howto = m68kcoff_howto_table + 2; break;
+ case R_PCRBYTE: internal->howto = m68kcoff_howto_table + 3; break;
+ case R_PCRWORD: internal->howto = m68kcoff_howto_table + 4; break;
+ case R_PCRLONG: internal->howto = m68kcoff_howto_table + 5; break;
+ case R_RELLONG_NEG: internal->howto = m68kcoff_howto_table + 6; break;
+ default: internal->howto = NULL; break;
+ }
+}
+
+STAT_REL int
+m68k_howto2rtype (reloc_howto_type * internal)
+{
+ if (internal->pc_relative)
+ {
+ switch (internal->bitsize)
+ {
+ case 32: return R_PCRLONG;
+ case 16: return R_PCRWORD;
+ case 8: return R_PCRBYTE;
+ }
+ }
+ else
+ {
+ switch (internal->bitsize)
+ {
+ case 32: return R_RELLONG;
+ case 16: return R_RELWORD;
+ case 8: return R_RELBYTE;
+ }
+ }
+ return R_RELLONG;
+}
+
+STAT_REL reloc_howto_type *
+m68k_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_reloc_code_real_type code)
+{
+ switch (code)
+ {
+ default: return NULL;
+ case BFD_RELOC_8: return m68kcoff_howto_table + 0;
+ case BFD_RELOC_16: return m68kcoff_howto_table + 1;
+ case BFD_RELOC_CTOR:
+ case BFD_RELOC_32: return m68kcoff_howto_table + 2;
+ case BFD_RELOC_8_PCREL: return m68kcoff_howto_table + 3;
+ case BFD_RELOC_16_PCREL: return m68kcoff_howto_table + 4;
+ case BFD_RELOC_32_PCREL: return m68kcoff_howto_table + 5;
+ /* FIXME: There doesn't seem to be a code for R_RELLONG_NEG. */
+ }
+ /*NOTREACHED*/
+}
+
+STAT_REL reloc_howto_type *
+m68k_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (m68kcoff_howto_table) / sizeof (m68kcoff_howto_table[0]);
+ i++)
+ if (m68kcoff_howto_table[i].name != NULL
+ && strcasecmp (m68kcoff_howto_table[i].name, r_name) == 0)
+ return &m68kcoff_howto_table[i];
+
+ return NULL;
+}
+
+#endif /* not ONLY_DECLARE_RELOCS */
+
+#define RTYPE2HOWTO(internal, relocentry) \
+ m68k_rtype2howto(internal, (relocentry)->r_type)
+
+#define SELECT_RELOC(external, internal) \
+ external.r_type = m68k_howto2rtype (internal)
+
+#define coff_bfd_reloc_type_lookup m68k_reloc_type_lookup
+#define coff_bfd_reloc_name_lookup m68k_reloc_name_lookup
+
+#ifndef COFF_COMMON_ADDEND
+#ifndef coff_rtype_to_howto
+
+#define coff_rtype_to_howto m68kcoff_rtype_to_howto
+
+static reloc_howto_type *
+m68kcoff_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *sec,
+ struct internal_reloc *rel,
+ struct coff_link_hash_entry *h ATTRIBUTE_UNUSED,
+ struct internal_syment *sym ATTRIBUTE_UNUSED,
+ bfd_vma *addendp)
+{
+ arelent relent;
+ reloc_howto_type *howto;
+
+ relent.howto = NULL;
+ RTYPE2HOWTO (&relent, rel);
+
+ howto = relent.howto;
+
+ if (howto != NULL && howto->pc_relative)
+ *addendp += sec->vma;
+
+ return howto;
+}
+
+#endif /* ! defined (coff_rtype_to_howto) */
+#endif /* ! defined (COFF_COMMON_ADDEND) */
+\f
+#ifdef COFF_COMMON_ADDEND
+
+/* If COFF_COMMON_ADDEND is defined, then when using m68k COFF the
+ value stored in the .text section for a reference to a common
+ symbol is the value itself plus any desired offset. (taken from
+ work done by Ian Taylor, Cygnus Support, for I386 COFF). */
+
+/* If we are producing relocatable output, we need to do some
+ adjustments to the object file that are not done by the
+ bfd_perform_relocation function. This function is called by every
+ reloc type to make any required adjustments. */
+
+static bfd_reloc_status_type
+m68kcoff_common_addend_special_fn (bfd *abfd,
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data,
+ asection *input_section ATTRIBUTE_UNUSED,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
+{
+ symvalue diff;
+
+ if (output_bfd == (bfd *) NULL)
+ return bfd_reloc_continue;
+
+ if (bfd_is_com_section (symbol->section))
+ {
+ /* We are relocating a common symbol. The current value in the
+ object file is ORIG + OFFSET, where ORIG is the value of the
+ common symbol as seen by the object file when it was compiled
+ (this may be zero if the symbol was undefined) and OFFSET is
+ the offset into the common symbol (normally zero, but may be
+ non-zero when referring to a field in a common structure).
+ ORIG is the negative of reloc_entry->addend, which is set by
+ the CALC_ADDEND macro below. We want to replace the value in
+ the object file with NEW + OFFSET, where NEW is the value of
+ the common symbol which we are going to put in the final
+ object file. NEW is symbol->value. */
+ diff = symbol->value + reloc_entry->addend;
+ }
+ else
+ {
+ /* For some reason bfd_perform_relocation always effectively
+ ignores the addend for a COFF target when producing
+ relocatable output. This seems to be always wrong for 386
+ COFF, so we handle the addend here instead. */
+ diff = reloc_entry->addend;
+ }
+
+#define DOIT(x) \
+ x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + diff) & howto->dst_mask))
+
+ if (diff != 0)
+ {
+ reloc_howto_type *howto = reloc_entry->howto;
+ unsigned char *addr = (unsigned char *) data + reloc_entry->address;
+
+ switch (howto->size)
+ {
+ case 0:
+ {
+ char x = bfd_get_8 (abfd, addr);
+ DOIT (x);
+ bfd_put_8 (abfd, x, addr);
+ }
+ break;
+
+ case 1:
+ {
+ short x = bfd_get_16 (abfd, addr);
+ DOIT (x);
+ bfd_put_16 (abfd, (bfd_vma) x, addr);
+ }
+ break;
+
+ case 2:
+ {
+ long x = bfd_get_32 (abfd, addr);
+ DOIT (x);
+ bfd_put_32 (abfd, (bfd_vma) x, addr);
+ }
+ break;
+
+ default:
+ abort ();
+ }
+ }
+
+ /* Now let bfd_perform_relocation finish everything up. */
+ return bfd_reloc_continue;
+}
+
+/* Compute the addend of a reloc. If the reloc is to a common symbol,
+ the object file contains the value of the common symbol. By the
+ time this is called, the linker may be using a different symbol
+ from a different object file with a different value. Therefore, we
+ hack wildly to locate the original symbol from this file so that we
+ can make the correct adjustment. This macro sets coffsym to the
+ symbol from the original file, and uses it to set the addend value
+ correctly. If this is not a common symbol, the usual addend
+ calculation is done, except that an additional tweak is needed for
+ PC relative relocs.
+ FIXME: This macro refers to symbols and asect; these are from the
+ calling function, not the macro arguments. */
+
+#define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \
+ { \
+ coff_symbol_type *coffsym = (coff_symbol_type *) NULL; \
+ if (ptr && bfd_asymbol_bfd (ptr) != abfd) \
+ coffsym = (obj_symbols (abfd) \
+ + (cache_ptr->sym_ptr_ptr - symbols)); \
+ else if (ptr) \
+ coffsym = coff_symbol_from (ptr); \
+ if (coffsym != (coff_symbol_type *) NULL \
+ && coffsym->native->u.syment.n_scnum == 0) \
+ cache_ptr->addend = - coffsym->native->u.syment.n_value; \
+ else if (ptr && bfd_asymbol_bfd (ptr) == abfd \
+ && ptr->section != (asection *) NULL) \
+ cache_ptr->addend = - (ptr->section->vma + ptr->value); \
+ else \
+ cache_ptr->addend = 0; \
+ if (ptr && (reloc.r_type == R_PCRBYTE \
+ || reloc.r_type == R_PCRWORD \
+ || reloc.r_type == R_PCRLONG)) \
+ cache_ptr->addend += asect->vma; \