+/* parse out a -heap <reserved>,<commit> line */
+
+static char *
+dores_com (ptr, output_bfd, heap)
+ char *ptr;
+ bfd *output_bfd;
+ int heap;
+{
+ if (coff_data(output_bfd)->pe)
+ {
+ int val = strtoul (ptr, &ptr, 0);
+ if (heap)
+ pe_data(output_bfd)->pe_opthdr.SizeOfHeapReserve = val;
+ else
+ pe_data(output_bfd)->pe_opthdr.SizeOfStackReserve = val;
+
+ if (ptr[0] == ',')
+ {
+ val = strtoul (ptr+1, &ptr, 0);
+ if (heap)
+ pe_data(output_bfd)->pe_opthdr.SizeOfHeapCommit = val;
+ else
+ pe_data(output_bfd)->pe_opthdr.SizeOfStackCommit = val;
+ }
+ }
+ return ptr;
+}
+
+static char *get_name(ptr, dst)
+char *ptr;
+char **dst;
+{
+ while (*ptr == ' ')
+ ptr++;
+ *dst = ptr;
+ while (*ptr && *ptr != ' ')
+ ptr++;
+ *ptr = 0;
+ return ptr+1;
+}
+
+/* Process any magic embedded commands in a section called .drectve */
+
+static int
+process_embedded_commands (output_bfd, info, abfd)
+ bfd *output_bfd;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
+ bfd *abfd;
+{
+ asection *sec = bfd_get_section_by_name (abfd, ".drectve");
+ char *s;
+ char *e;
+ char *copy;
+ if (!sec)
+ return 1;
+
+ copy = bfd_malloc (sec->_raw_size);
+ if (!copy)
+ return 0;
+ if (! bfd_get_section_contents(abfd, sec, copy, (bfd_vma) 0, sec->_raw_size))
+ {
+ free (copy);
+ return 0;
+ }
+ e = copy + sec->_raw_size;
+ for (s = copy; s < e ; )
+ {
+ if (s[0]!= '-') {
+ s++;
+ continue;
+ }
+ if (strncmp (s,"-attr", 5) == 0)
+ {
+ char *name;
+ char *attribs;
+ asection *asec;
+
+ int loop = 1;
+ int had_write = 0;
+ int had_read = 0;
+ int had_exec= 0;
+ int had_shared= 0;
+ s += 5;
+ s = get_name(s, &name);
+ s = get_name(s, &attribs);
+ while (loop) {
+ switch (*attribs++)
+ {
+ case 'W':
+ had_write = 1;
+ break;
+ case 'R':
+ had_read = 1;
+ break;
+ case 'S':
+ had_shared = 1;
+ break;
+ case 'X':
+ had_exec = 1;
+ break;
+ default:
+ loop = 0;
+ }
+ }
+ asec = bfd_get_section_by_name (abfd, name);
+ if (asec) {
+ if (had_exec)
+ asec->flags |= SEC_CODE;
+ if (!had_write)
+ asec->flags |= SEC_READONLY;
+ }
+ }
+ else if (strncmp (s,"-heap", 5) == 0)
+ {
+ s = dores_com (s+5, output_bfd, 1);
+ }
+ else if (strncmp (s,"-stack", 6) == 0)
+ {
+ s = dores_com (s+6, output_bfd, 0);
+ }
+ else
+ s++;
+ }
+ free (copy);
+ return 1;
+}
+
+/* Place a marker against all symbols which are used by relocations.
+ This marker can be picked up by the 'do we skip this symbol ?'
+ loop in _bfd_coff_link_input_bfd() and used to prevent skipping
+ that symbol.
+ */
+
+static void
+mark_relocs (finfo, input_bfd)
+ struct coff_final_link_info * finfo;
+ bfd * input_bfd;
+{
+ asection * a;
+
+ if ((bfd_get_file_flags (input_bfd) & HAS_SYMS) == 0)
+ return;
+
+ for (a = input_bfd->sections; a != (asection *) NULL; a = a->next)
+ {
+ struct internal_reloc * internal_relocs;
+ struct internal_reloc * irel;
+ struct internal_reloc * irelend;
+
+ if ((a->flags & SEC_RELOC) == 0 || a->reloc_count < 1)
+ continue;
+
+ /* Read in the relocs. */
+ internal_relocs = _bfd_coff_read_internal_relocs
+ (input_bfd, a, false,
+ finfo->external_relocs,
+ finfo->info->relocateable,
+ (finfo->info->relocateable
+ ? (finfo->section_info[ a->output_section->target_index ].relocs + a->output_section->reloc_count)
+ : finfo->internal_relocs)
+ );
+
+ if (internal_relocs == NULL)
+ continue;
+
+ irel = internal_relocs;
+ irelend = irel + a->reloc_count;
+
+ /* Place a mark in the sym_indices array (whose entries have
+ been initialised to 0) for all of the symbols that are used
+ in the relocation table. This will then be picked up in the
+ skip/don't pass */
+
+ for (; irel < irelend; irel++)
+ {
+ finfo->sym_indices[ irel->r_symndx ] = -1;
+ }
+ }
+}
+
projects / deliverable / binutils-gdb.git / blobdiff