1 files changed, 77 insertions, 0 deletions
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 238a4aa..e2cb28c 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -12167,6 +12167,83 @@ bfd_elf_gc_record_vtentry (bfd *abfd ATTRIBUTE_UNUSED,
   return TRUE;
 }
 
+/* Map an ELF section header flag to its corresponding string.  */
+typedef struct
+{
+  char *flag_name;
+  flagword flag_value;
+} elf_flags_to_name_table;
+
+static elf_flags_to_name_table elf_flags_to_names [] =
+{
+  { "SHF_WRITE", SHF_WRITE },
+  { "SHF_ALLOC", SHF_ALLOC },
+  { "SHF_EXECINSTR", SHF_EXECINSTR },
+  { "SHF_MERGE", SHF_MERGE },
+  { "SHF_STRINGS", SHF_STRINGS },
+  { "SHF_INFO_LINK", SHF_INFO_LINK},
+  { "SHF_LINK_ORDER", SHF_LINK_ORDER},
+  { "SHF_OS_NONCONFORMING", SHF_OS_NONCONFORMING},
+  { "SHF_GROUP", SHF_GROUP },
+  { "SHF_TLS", SHF_TLS },
+  { "SHF_MASKOS", SHF_MASKOS },
+  { "SHF_EXCLUDE", SHF_EXCLUDE },
+};
+
+void
+bfd_elf_lookup_section_flags (struct bfd_link_info *info,
+			      struct flag_info *finfo)
+{
+  bfd *output_bfd = info->output_bfd;
+  const struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
+  struct flag_info_list *tf = finfo->flag_list;
+  int with_hex = 0;
+  int without_hex = 0;
+
+  for (tf = finfo->flag_list; tf != NULL; tf = tf->next)
+    {
+      int i;
+      if (bed->elf_backend_lookup_section_flags_hook)
+	{
+	  flagword hexval =
+	     (*bed->elf_backend_lookup_section_flags_hook) ((char *) tf->name);
+
+	  if (hexval != 0)
+	    {
+	      if (tf->with == with_flags)
+		with_hex |= hexval;
+	      else if (tf->with == without_flags)
+		without_hex |= hexval;
+	      tf->valid = TRUE;
+	      continue;
+	    }
+	}
+      for (i = 0; i < 12; i++)
+	{
+	  if (!strcmp (tf->name, elf_flags_to_names[i].flag_name))
+	    {
+	      if (tf->with == with_flags)
+		with_hex |= elf_flags_to_names[i].flag_value;
+	      else if (tf->with == without_flags)
+		without_hex |= elf_flags_to_names[i].flag_value;
+	      tf->valid = TRUE;
+	      continue;
+	    }
+	}
+      if (tf->valid == FALSE)
+	{
+	  info->callbacks->einfo 
+		(_("Unrecognized INPUT_SECTION_FLAG %s\n"), tf->name);
+	  return;
+	}
+    }
+ finfo->flags_initialized = TRUE;
+ finfo->only_with_flags |= with_hex;
+ finfo->not_with_flags |= without_hex;
+
+ return;
+}
+
 struct alloc_got_off_arg {
   bfd_vma gotoff;
   struct bfd_link_info *info;