- int target_index;
- struct internal_reloc *internal_relocs;
- struct internal_reloc *irel;
- bfd_vma offset;
- struct internal_reloc *irelend;
- struct xcoff_link_hash_entry **rel_hash;
- long r_symndx;
-
- /* Read in the relocs. */
- target_index = o->output_section->target_index;
- internal_relocs = (xcoff_read_internal_relocs
- (input_bfd, o, false, finfo->external_relocs,
- true,
- (finfo->section_info[target_index].relocs
- + o->output_section->reloc_count)));
- if (internal_relocs == NULL)
- return false;
-
- /* Call processor specific code to relocate the section
- contents. */
- if (! bfd_coff_relocate_section (output_bfd, finfo->info,
- input_bfd, o,
- contents,
- internal_relocs,
- finfo->internal_syms,
- xcoff_data (input_bfd)->csects))
- return false;
-
- offset = o->output_section->vma + o->output_offset - o->vma;
- irel = internal_relocs;
- irelend = irel + o->reloc_count;
- rel_hash = (finfo->section_info[target_index].rel_hashes
- + o->output_section->reloc_count);
- for (; irel < irelend; irel++, rel_hash++)
- {
- struct xcoff_link_hash_entry *h = NULL;
- struct internal_ldrel ldrel;
- boolean quiet;
-
- *rel_hash = NULL;
-
- /* Adjust the reloc address and symbol index. */
-
- irel->r_vaddr += offset;
-
- r_symndx = irel->r_symndx;
-
- if (r_symndx == -1)
- h = NULL;
- else
- h = obj_xcoff_sym_hashes (input_bfd)[r_symndx];
-
- if (r_symndx != -1 && finfo->info->strip != strip_all)
- {
- if (h != NULL
- && h->smclas != XMC_TD
- && (irel->r_type == R_TOC
- || irel->r_type == R_GL
- || irel->r_type == R_TCL
- || irel->r_type == R_TRL
- || irel->r_type == R_TRLA))
- {
- /* This is a TOC relative reloc with a symbol
- attached. The symbol should be the one which
- this reloc is for. We want to make this
- reloc against the TOC address of the symbol,
- not the symbol itself. */
- BFD_ASSERT (h->toc_section != NULL);
- BFD_ASSERT ((h->flags & XCOFF_SET_TOC) == 0);
- if (h->u.toc_indx != -1)
- irel->r_symndx = h->u.toc_indx;
- else
- {
- struct xcoff_toc_rel_hash *n;
- struct xcoff_link_section_info *si;
- bfd_size_type amt;
-
- amt = sizeof (struct xcoff_toc_rel_hash);
- n = ((struct xcoff_toc_rel_hash *)
- bfd_alloc (finfo->output_bfd, amt));
- if (n == NULL)
- return false;
- si = finfo->section_info + target_index;
- n->next = si->toc_rel_hashes;
- n->h = h;
- n->rel = irel;
- si->toc_rel_hashes = n;
- }
- }
- else if (h != NULL)
- {
- /* This is a global symbol. */
- if (h->indx >= 0)
- irel->r_symndx = h->indx;
- else
- {
- /* This symbol is being written at the end
- of the file, and we do not yet know the
- symbol index. We save the pointer to the
- hash table entry in the rel_hash list.
- We set the indx field to -2 to indicate
- that this symbol must not be stripped. */
- *rel_hash = h;
- h->indx = -2;
- }
- }
- else
- {
- long indx;
-
- indx = finfo->sym_indices[r_symndx];
-
- if (indx == -1)
- {
- struct internal_syment *is;
-
- /* Relocations against a TC0 TOC anchor are
- automatically transformed to be against
- the TOC anchor in the output file. */
- is = finfo->internal_syms + r_symndx;
- if (is->n_sclass == C_HIDEXT
- && is->n_numaux > 0)
- {
- PTR auxptr;
- union internal_auxent aux;
-
- auxptr = ((PTR)
- (((bfd_byte *)
- obj_coff_external_syms (input_bfd))
- + ((r_symndx + is->n_numaux)
- * isymesz)));
- bfd_coff_swap_aux_in (input_bfd, auxptr,
- is->n_type, is->n_sclass,
- is->n_numaux - 1,
- is->n_numaux,
- (PTR) &aux);
- if (SMTYP_SMTYP (aux.x_csect.x_smtyp) == XTY_SD
- && aux.x_csect.x_smclas == XMC_TC0)
- indx = finfo->toc_symindx;
- }
- }
-
- if (indx != -1)
- irel->r_symndx = indx;
- else
- {
-
- struct internal_syment *is;
-
- const char *name;
- char buf[SYMNMLEN + 1];
-
- /* This reloc is against a symbol we are
- stripping. It would be possible to handle
- this case, but I don't think it's worth it. */
- is = finfo->internal_syms + r_symndx;
-
- name = (_bfd_coff_internal_syment_name
- (input_bfd, is, buf));
-
- if (name == NULL)
- return false;
-
- if (! ((*finfo->info->callbacks->unattached_reloc)
- (finfo->info, name, input_bfd, o,
- irel->r_vaddr)))
- return false;
- }
- }
- }
-
- quiet = false;
- switch (irel->r_type)
- {
- default:
- if (h == NULL
- || h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak
- || h->root.type == bfd_link_hash_common)
- break;
- /* Fall through. */
- case R_POS:
- case R_NEG:
- case R_RL:
- case R_RLA:
- /* This reloc needs to be copied into the .loader
- section. */
- ldrel.l_vaddr = irel->r_vaddr;
- if (r_symndx == -1)
- ldrel.l_symndx = -(bfd_size_type ) 1;
- else if (h == NULL
- || (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak
- || h->root.type == bfd_link_hash_common))
- {
- asection *sec;
-
- if (h == NULL)
- sec = xcoff_data (input_bfd)->csects[r_symndx];
- else if (h->root.type == bfd_link_hash_common)
- sec = h->root.u.c.p->section;
- else
- sec = h->root.u.def.section;
- sec = sec->output_section;
-
- if (strcmp (sec->name, ".text") == 0)
- ldrel.l_symndx = 0;
- else if (strcmp (sec->name, ".data") == 0)
- ldrel.l_symndx = 1;
- else if (strcmp (sec->name, ".bss") == 0)
- ldrel.l_symndx = 2;
- else
- {
- (*_bfd_error_handler)
- (_("%s: loader reloc in unrecognized section `%s'"),
- bfd_archive_filename (input_bfd),
- sec->name);
- bfd_set_error (bfd_error_nonrepresentable_section);
- return false;
- }
- }
- else
- {
- if (! finfo->info->relocateable
- && (h->flags & XCOFF_DEF_DYNAMIC) == 0
- && (h->flags & XCOFF_IMPORT) == 0)
- {
- /* We already called the undefined_symbol
- callback for this relocation, in
- _bfd_ppc_xcoff_relocate_section. Don't
- issue any more warnings. */
- quiet = true;
- }
- if (h->ldindx < 0 && ! quiet)
- {
- (*_bfd_error_handler)
- (_("%s: `%s' in loader reloc but not loader sym"),
- bfd_archive_filename (input_bfd),
- h->root.root.string);
- bfd_set_error (bfd_error_bad_value);
- return false;
- }
- ldrel.l_symndx = h->ldindx;
- }
- ldrel.l_rtype = (irel->r_size << 8) | irel->r_type;
- ldrel.l_rsecnm = o->output_section->target_index;
- if (xcoff_hash_table (finfo->info)->textro
- && strcmp (o->output_section->name, ".text") == 0
- && ! quiet)
- {
- (*_bfd_error_handler)
- (_("%s: loader reloc in read-only section %s"),
- bfd_archive_filename (input_bfd),
- bfd_get_section_name (finfo->output_bfd,
- o->output_section));
- bfd_set_error (bfd_error_invalid_operation);
- return false;
- }
- bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel,
- finfo->ldrel);
projects / deliverable / binutils-gdb.git / blobdiff