static bfd_reloc_status_type _bfd_m68klynx_special_fn
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static boolean lynx_link_add_symbols PARAMS ((bfd *, struct bfd_link_info *));
static const struct reloc_howto_struct *coff_m68k_lynx_rtype_to_howto
PARAMS ((bfd *, asection *, struct internal_reloc *,
struct coff_link_hash_entry *, struct internal_syment *,
cache_ptr->addend += asect->vma; \
}
+#define coff_bfd_link_add_symbols lynx_link_add_symbols
#define coff_rtype_to_howto coff_m68k_lynx_rtype_to_howto
#include "coff-m68k.c"
+/* On Lynx, we may have a COFF archive which contains a.out elements.
+ This screws up the COFF linker, which expects that any archive it
+ gets contains COFF elements. We override the add_symbols function
+ to check for this case. */
+
+static boolean
+lynx_link_add_symbols (abfd, info)
+ bfd *abfd;
+ struct bfd_link_info *info;
+{
+ if (bfd_get_format (abfd) == bfd_archive)
+ {
+ bfd *first;
+
+ first = bfd_openr_next_archived_file (abfd, (bfd *) NULL);
+ if (first == NULL)
+ return false;
+ if (! bfd_check_format (first, bfd_object))
+ return false;
+ if (bfd_get_flavour (first) != bfd_target_coff_flavour)
+ {
+ /* Treat the archive as though it were actually of the
+ flavour of its first element. This ought to work,
+ since the archive support is fairly generic. */
+ return (*first->xvec->_bfd_link_add_symbols) (abfd, info);
+ }
+ }
+
+ return _bfd_coff_link_add_symbols (abfd, info);
+}
+
/* coff-m68k.c uses the special COFF backend linker. We need to
- adjust common symbols. FIXME: We may able to get rid of
- CALC_ADDEND and _bfd_m68klynx_special_fn. However, they may still
- be used by gas.
+ adjust common symbols.
We can't define this function until after we have included
coff-m68k.c, because it uses RTYPE2HOWTO. */
howto = relent.howto;
- if (sym->n_scnum == 0 && sym->n_value != 0)
+ if (sym != NULL && sym->n_scnum == 0 && sym->n_value != 0)
{
/* This is a common symbol. The section contents include the
size (sym->n_value) as an addend. The relocate_section
{
unsigned int i;
+ /* We use section_count + 1, rather than section_count, because
+ the target_index fields are 1 based. */
finfo.section_info = ((struct coff_link_section_info *)
- malloc (abfd->section_count
+ malloc ((abfd->section_count + 1)
* sizeof (struct coff_link_section_info)));
if (finfo.section_info == NULL)
{
bfd_set_error (bfd_error_no_memory);
goto error_return;
}
- for (i = 0; i < abfd->section_count; i++)
+ for (i = 0; i <= abfd->section_count; i++)
{
finfo.section_info[i].relocs = NULL;
finfo.section_info[i].rel_hashes = NULL;
the symbol. */
isym = *isymp;
- *secpp = coff_section_from_bfd_index (input_bfd, isym.n_scnum);
+ if (isym.n_scnum != 0)
+ *secpp = coff_section_from_bfd_index (input_bfd, isym.n_scnum);
+ else
+ {
+ if (isym.n_value == 0)
+ *secpp = bfd_und_section_ptr;
+ else
+ *secpp = bfd_com_section_ptr;
+ }
+
*indexp = -1;
skip = false;
irel = internal_relocs;
irelend = irel + o->reloc_count;
- rel_hash = finfo->section_info[target_index].rel_hashes;
+ rel_hash = (finfo->section_info[target_index].rel_hashes
+ + o->output_section->reloc_count);
for (; irel < irelend; irel++, rel_hash++)
{
struct coff_link_hash_entry *h;
irel->r_vaddr += offset;
+ if (irel->r_symndx == -1)
+ continue;
+
h = obj_coff_sym_hashes (input_bfd)[irel->r_symndx];
if (h != NULL)
{
return true;
}
+
+/* A basic reloc handling routine which may be used by processors with
+ simple relocs. */
+
+boolean
+_bfd_coff_generic_relocate_section (output_bfd, info, input_bfd,
+ input_section, contents, relocs, syms,
+ sections)
+ bfd *output_bfd;
+ struct bfd_link_info *info;
+ bfd *input_bfd;
+ asection *input_section;
+ bfd_byte *contents;
+ struct internal_reloc *relocs;
+ struct internal_syment *syms;
+ asection **sections;
+{
+ struct internal_reloc *rel;
+ struct internal_reloc *relend;
+
+ rel = relocs;
+ relend = rel + input_section->reloc_count;
+ for (; rel < relend; rel++)
+ {
+ long symndx;
+ struct coff_link_hash_entry *h;
+ struct internal_syment *sym;
+ bfd_vma addend;
+ bfd_vma val;
+ const reloc_howto_type *howto;
+ bfd_reloc_status_type rstat;
+
+ symndx = rel->r_symndx;
+
+ if (symndx == -1)
+ {
+ h = NULL;
+ sym = NULL;
+ }
+ else
+ {
+ h = obj_coff_sym_hashes (input_bfd)[symndx];
+ sym = syms + symndx;
+ }
+
+ /* COFF treats common symbols in one of two ways. Either the
+ size of the symbol is included in the section contents, or it
+ is not. We assume that the size is not included, and force
+ the rtype_to_howto function to adjust the addend as needed. */
+ if (sym != NULL && sym->n_scnum != 0)
+ addend = - sym->n_value;
+ else
+ addend = 0;
+
+ howto = bfd_coff_rtype_to_howto (input_bfd, input_section, rel, h,
+ sym, &addend);
+ if (howto == NULL)
+ return false;
+
+ val = 0;
+
+ if (h == NULL)
+ {
+ asection *sec;
+
+ if (symndx == -1)
+ {
+ sec = bfd_abs_section_ptr;
+ val = 0;
+ }
+ else
+ {
+ sec = sections[symndx];
+ val = (sec->output_section->vma
+ + sec->output_offset
+ + sym->n_value
+ - sec->vma);
+ }
+ }
+ else
+ {
+ if (h->root.type == bfd_link_hash_defined)
+ {
+ asection *sec;
+
+ sec = h->root.u.def.section;
+ val = (h->root.u.def.value
+ + sec->output_section->vma
+ + sec->output_offset);
+ }
+ else if (! info->relocateable)
+ {
+ if (! ((*info->callbacks->undefined_symbol)
+ (info, h->root.root.string, input_bfd, input_section,
+ rel->r_vaddr - input_section->vma)))
+ return false;
+ }
+ }
+
+ rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
+ contents,
+ rel->r_vaddr - input_section->vma,
+ val, addend);
+
+ switch (rstat)
+ {
+ default:
+ abort ();
+ case bfd_reloc_ok:
+ break;
+ case bfd_reloc_overflow:
+ {
+ const char *name;
+ char buf[SYMNMLEN + 1];
+
+ if (symndx == -1)
+ name = "*ABS*";
+ else if (h != NULL)
+ name = h->root.root.string;
+ else if (sym->_n._n_n._n_zeroes == 0
+ && sym->_n._n_n._n_offset != 0)
+ name = obj_coff_strings (input_bfd) + sym->_n._n_n._n_offset;
+ else
+ {
+ strncpy (buf, sym->_n._n_name, SYMNMLEN);
+ buf[SYMNMLEN] = '\0';
+ name = buf;
+ }
+
+ if (! ((*info->callbacks->reloc_overflow)
+ (info, name, howto->name, (bfd_vma) 0, input_bfd,
+ input_section, rel->r_vaddr - input_section->vma)))
+ return false;
+ }
+ }
+ }
+
+ return true;
+}
projects / external / binutils.git / commitdiff