+ /* If we swapped out a C_FILE symbol, guess that the next C_FILE
+ symbol will be the first symbol in the next input file. In the
+ normal case, this will save us from writing out the C_FILE symbol
+ again. */
+ if (finfo->last_file_index != -1
+ && (bfd_size_type) finfo->last_file_index >= syment_base)
+ {
+ finfo->last_file.n_value = output_index;
+ bfd_coff_swap_sym_out (output_bfd, (void *) &finfo->last_file,
+ (void *) (finfo->outsyms
+ + ((finfo->last_file_index - syment_base)
+ * osymesz)));
+ }
+
+ /* Write the modified symbols to the output file. */
+ if (outsym > finfo->outsyms)
+ {
+ file_ptr pos = obj_sym_filepos (output_bfd) + syment_base * osymesz;
+ bfd_size_type amt = outsym - finfo->outsyms;
+ if (bfd_seek (output_bfd, pos, SEEK_SET) != 0
+ || bfd_bwrite (finfo->outsyms, amt, output_bfd) != amt)
+ return FALSE;
+
+ BFD_ASSERT ((obj_raw_syment_count (output_bfd)
+ + (outsym - finfo->outsyms) / osymesz)
+ == output_index);
+
+ obj_raw_syment_count (output_bfd) = output_index;
+ }
+
+ /* Don't let the linker relocation routines discard the symbols. */
+ keep_syms = obj_coff_keep_syms (input_bfd);
+ obj_coff_keep_syms (input_bfd) = TRUE;
+
+ /* Relocate the contents of each section. */
+ for (o = input_bfd->sections; o != NULL; o = o->next)
+ {
+ bfd_byte *contents;
+
+ if (! o->linker_mark)
+ /* This section was omitted from the link. */
+ continue;
+
+ if ((o->flags & SEC_HAS_CONTENTS) == 0
+ || o->size == 0
+ || (o->flags & SEC_IN_MEMORY) != 0)
+ continue;
+
+ /* We have set filepos correctly for the sections we created to
+ represent csects, so bfd_get_section_contents should work. */
+ if (coff_section_data (input_bfd, o) != NULL
+ && coff_section_data (input_bfd, o)->contents != NULL)
+ contents = coff_section_data (input_bfd, o)->contents;
+ else
+ {
+ bfd_size_type sz = o->rawsize ? o->rawsize : o->size;
+ if (!bfd_get_section_contents (input_bfd, o, finfo->contents, 0, sz))
+ return FALSE;
+ contents = finfo->contents;
+ }
+
+ if ((o->flags & SEC_RELOC) != 0)
+ {
+ 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;
+ bfd_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 (* n);
+ n = 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)
+ {
+ void * auxptr;
+ union internal_auxent aux;
+
+ auxptr = ((void *)
+ (((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,
+ (void *) &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)
+ (_("%B: loader reloc in unrecognized section `%A'"),
+ input_bfd, sec);
+ bfd_set_error (bfd_error_nonrepresentable_section);
+ return FALSE;
+ }
+ }
+ else
+ {
+ if (! finfo->info->relocatable
+ && (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)
+ (_("%B: `%s' in loader reloc but not loader sym"),
+ 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)
+ (_("%B: loader reloc in read-only section %A"),
+ input_bfd, o->output_section);
+ bfd_set_error (bfd_error_invalid_operation);
+ return FALSE;
+ }
+ bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel,
+ finfo->ldrel);
+
+ finfo->ldrel += bfd_xcoff_ldrelsz(output_bfd);
+ break;
+
+ case R_TOC:
+ case R_GL:
+ case R_TCL:
+ case R_TRL:
+ case R_TRLA:
+ /* We should never need a .loader reloc for a TOC
+ relative reloc. */
+ break;
+ }
+ }
+
+ o->output_section->reloc_count += o->reloc_count;
+ }
+
+ /* Write out the modified section contents. */
+ if (! bfd_set_section_contents (output_bfd, o->output_section,
+ contents, (file_ptr) o->output_offset,
+ o->size))
+ return FALSE;
+ }
+
+ obj_coff_keep_syms (input_bfd) = keep_syms;
+
+ if (! finfo->info->keep_memory)
+ {
+ if (! _bfd_coff_free_symbols (input_bfd))
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+#undef N_TMASK
+#undef N_BTSHFT
+
+/* Sort relocs by VMA. This is called via qsort. */
+
+static int
+xcoff_sort_relocs (const void * p1, const void * p2)
+{
+ const struct internal_reloc *r1 = (const struct internal_reloc *) p1;
+ const struct internal_reloc *r2 = (const struct internal_reloc *) p2;
+
+ if (r1->r_vaddr > r2->r_vaddr)
+ return 1;
+ else if (r1->r_vaddr < r2->r_vaddr)
+ return -1;
+ else
+ return 0;
+}
+
+/* Write out a non-XCOFF global symbol. */
+
+static bfd_boolean
+xcoff_write_global_symbol (struct xcoff_link_hash_entry *h, void * inf)
+{
+ struct xcoff_final_link_info *finfo = (struct xcoff_final_link_info *) inf;
+ bfd *output_bfd;
+ bfd_byte *outsym;
+ struct internal_syment isym;
+ union internal_auxent aux;
+ bfd_boolean result;
+ file_ptr pos;
+ bfd_size_type amt;
+
+ output_bfd = finfo->output_bfd;
+ outsym = finfo->outsyms;
+
+ if (h->root.type == bfd_link_hash_warning)
+ {
+ h = (struct xcoff_link_hash_entry *) h->root.u.i.link;
+ if (h->root.type == bfd_link_hash_new)
+ return TRUE;
+ }
+
+ /* If this symbol was garbage collected, just skip it. */
+ if (xcoff_hash_table (finfo->info)->gc
+ && (h->flags & XCOFF_MARK) == 0)
+ return TRUE;
+
+ /* If we need a .loader section entry, write it out. */
+ if (h->ldsym != NULL)
+ {
+ struct internal_ldsym *ldsym;
+ bfd *impbfd;
+
+ ldsym = h->ldsym;
+
+ if (h->root.type == bfd_link_hash_undefined
+ || h->root.type == bfd_link_hash_undefweak)
+ {
+
+ ldsym->l_value = 0;
+ ldsym->l_scnum = N_UNDEF;
+ ldsym->l_smtype = XTY_ER;
+ impbfd = h->root.u.undef.abfd;
+
+ }
+ else if (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
+ {
+ asection *sec;
+
+ sec = h->root.u.def.section;
+ ldsym->l_value = (sec->output_section->vma
+ + sec->output_offset
+ + h->root.u.def.value);
+ ldsym->l_scnum = sec->output_section->target_index;
+ ldsym->l_smtype = XTY_SD;
+ impbfd = sec->owner;
+
+ }
+ else
+ abort ();
+
+ if (((h->flags & XCOFF_DEF_REGULAR) == 0
+ && (h->flags & XCOFF_DEF_DYNAMIC) != 0)
+ || (h->flags & XCOFF_IMPORT) != 0)
+ /* Clear l_smtype
+ Import symbols are defined so the check above will make
+ the l_smtype XTY_SD. But this is not correct, it should
+ be cleared. */
+ ldsym->l_smtype |= L_IMPORT;
+
+ if (((h->flags & XCOFF_DEF_REGULAR) != 0
+ && (h->flags & XCOFF_DEF_DYNAMIC) != 0)
+ || (h->flags & XCOFF_EXPORT) != 0)
+ ldsym->l_smtype |= L_EXPORT;
+
+ if ((h->flags & XCOFF_ENTRY) != 0)
+ ldsym->l_smtype |= L_ENTRY;
+
+ if ((h->flags & XCOFF_RTINIT) != 0)
+ ldsym->l_smtype = XTY_SD;
+
+ ldsym->l_smclas = h->smclas;
+
+ if (ldsym->l_smtype & L_IMPORT)
+ {
+ if ((h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
+ && (h->root.u.def.value != 0))
+ ldsym->l_smclas = XMC_XO;
+
+ else if ((h->flags & (XCOFF_SYSCALL32 | XCOFF_SYSCALL64)) ==
+ (XCOFF_SYSCALL32 | XCOFF_SYSCALL64))
+ ldsym->l_smclas = XMC_SV3264;
+
+ else if (h->flags & XCOFF_SYSCALL32)
+ ldsym->l_smclas = XMC_SV;
+
+ else if (h->flags & XCOFF_SYSCALL64)
+ ldsym->l_smclas = XMC_SV64;
+ }
+
+ if (ldsym->l_ifile == -(bfd_size_type) 1)
+ {
+ ldsym->l_ifile = 0;
+ }
+ else if (ldsym->l_ifile == 0)
+ {
+ if ((ldsym->l_smtype & L_IMPORT) == 0)
+ ldsym->l_ifile = 0;
+ else if (impbfd == NULL)
+ ldsym->l_ifile = 0;
+ else
+ {
+ BFD_ASSERT (impbfd->xvec == output_bfd->xvec);
+ ldsym->l_ifile = xcoff_data (impbfd)->import_file_id;
+ }
+ }
+
+ ldsym->l_parm = 0;
+
+ BFD_ASSERT (h->ldindx >= 0);
+
+ bfd_xcoff_swap_ldsym_out (output_bfd, ldsym,
+ (finfo->ldsym +
+ (h->ldindx - 3)
+ * bfd_xcoff_ldsymsz(finfo->output_bfd)));
+ h->ldsym = NULL;