2014-09-29 Terry Guo <terry.guo@arm.com>

        * as.c (create_obj_attrs_section): Move it and call it from ...
        * write.c (create_obj_attrs_section): ... here.
        (subsegs_finish_section): Refactored.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index ec11c63..ff149d3 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,9 @@
+2014-09-29  Terry Guo  <terry.guo@arm.com>
+
+       * as.c (create_obj_attrs_section): Move it and call it from ...
+       * write.c (create_obj_attrs_section): ... here.
+       (subsegs_finish_section): Refactored.
+
 2014-09-27  Alan Modra  <amodra@gmail.com>
 
        * dwarf2dbg.c (all_segs_hash): Delete.

diff --git a/gas/as.c b/gas/as.c
index 32459a8..85a04a3 100644 (file)
--- a/gas/as.c
+++ b/gas/as.c
@@ -1107,32 +1107,6 @@ perform_an_assembly_pass (int argc, char ** argv)
     read_a_source_file ("");
 }
 \f
-#ifdef OBJ_ELF
-static void
-create_obj_attrs_section (void)
-{
-  segT s;
-  char *p;
-  offsetT size;
-  const char *name;
-
-  size = bfd_elf_obj_attr_size (stdoutput);
-  if (size)
-    {
-      name = get_elf_backend_data (stdoutput)->obj_attrs_section;
-      if (!name)
-       name = ".gnu.attributes";
-      s = subseg_new (name, 0);
-      elf_section_type (s)
-       = get_elf_backend_data (stdoutput)->obj_attrs_section_type;
-      bfd_set_section_flags (stdoutput, s, SEC_READONLY | SEC_DATA);
-      frag_now_fix ();
-      p = frag_more (size);
-      bfd_elf_set_obj_attr_contents (stdoutput, (bfd_byte *)p, size);
-    }
-}
-#endif
-\f
 
 int
 main (int argc, char ** argv)
@@ -1257,11 +1231,6 @@ main (int argc, char ** argv)
   md_end ();
 #endif
 
-#ifdef OBJ_ELF
-  if (IS_ELF)
-    create_obj_attrs_section ();
-#endif
-
 #if defined OBJ_ELF || defined OBJ_MAYBE_ELF
   if ((flag_execstack || flag_noexecstack)
       && OUTPUT_FLAVOR == bfd_target_elf_flavour)

diff --git a/gas/write.c b/gas/write.c
index d1918e6..0657b56 100644 (file)
--- a/gas/write.c
+++ b/gas/write.c
@@ -1693,64 +1693,99 @@ set_symtab (void)
 #endif
 
 static void
-subsegs_finish (void)
+subsegs_finish_section (asection *s)
 {
   struct frchain *frchainP;
-  asection *s;
+  segment_info_type *seginfo = seg_info (s);
+  if (!seginfo)
+    return;
 
-  for (s = stdoutput->sections; s; s = s->next)
+  for (frchainP = seginfo->frchainP;
+       frchainP != NULL;
+       frchainP = frchainP->frch_next)
     {
-      segment_info_type *seginfo = seg_info (s);
-      if (!seginfo)
-       continue;
+      int alignment = 0;
 
-      for (frchainP = seginfo->frchainP;
-          frchainP != NULL;
-          frchainP = frchainP->frch_next)
-       {
-         int alignment = 0;
-
-         subseg_set (s, frchainP->frch_subseg);
+      subseg_set (s, frchainP->frch_subseg);
 
-         /* This now gets called even if we had errors.  In that case,
-            any alignment is meaningless, and, moreover, will look weird
-            if we are generating a listing.  */
-         if (!had_errors ())
+      /* This now gets called even if we had errors.  In that case,
+        any alignment is meaningless, and, moreover, will look weird
+        if we are generating a listing.  */
+      if (!had_errors ())
+       {
+         alignment = SUB_SEGMENT_ALIGN (now_seg, frchainP);
+         if ((bfd_get_section_flags (now_seg->owner, now_seg) & SEC_MERGE)
+             && now_seg->entsize)
            {
-             alignment = SUB_SEGMENT_ALIGN (now_seg, frchainP);
-             if ((bfd_get_section_flags (now_seg->owner, now_seg) & SEC_MERGE)
-                 && now_seg->entsize)
-               {
-                 unsigned int entsize = now_seg->entsize;
-                 int entalign = 0;
+             unsigned int entsize = now_seg->entsize;
+             int entalign = 0;
 
-                 while ((entsize & 1) == 0)
-                   {
-                     ++entalign;
-                     entsize >>= 1;
-                   }
-                 if (entalign > alignment)
-                   alignment = entalign;
+             while ((entsize & 1) == 0)
+               {
+                 ++entalign;
+                 entsize >>= 1;
                }
+
+             if (entalign > alignment)
+               alignment = entalign;
            }
+       }
 
-         if (subseg_text_p (now_seg))
-           frag_align_code (alignment, 0);
-         else
-           frag_align (alignment, 0, 0);
+      if (subseg_text_p (now_seg))
+       frag_align_code (alignment, 0);
+      else
+       frag_align (alignment, 0, 0);
 
-         /* frag_align will have left a new frag.
-            Use this last frag for an empty ".fill".
+      /* frag_align will have left a new frag.
+        Use this last frag for an empty ".fill".
 
-            For this segment ...
-            Create a last frag. Do not leave a "being filled in frag".  */
-         frag_wane (frag_now);
-         frag_now->fr_fix = 0;
-         know (frag_now->fr_next == NULL);
-       }
+        For this segment ...
+        Create a last frag. Do not leave a "being filled in frag".  */
+      frag_wane (frag_now);
+      frag_now->fr_fix = 0;
+      know (frag_now->fr_next == NULL);
     }
 }
 
+static void
+subsegs_finish (void)
+{
+  asection *s;
+
+  for (s = stdoutput->sections; s; s = s->next)
+    subsegs_finish_section (s);
+}
+
+#ifdef OBJ_ELF
+static void
+create_obj_attrs_section (void)
+{
+  segT s;
+  char *p;
+  offsetT size;
+  const char *name;
+
+  size = bfd_elf_obj_attr_size (stdoutput);
+  if (size)
+    {
+      name = get_elf_backend_data (stdoutput)->obj_attrs_section;
+      if (!name)
+       name = ".gnu.attributes";
+      s = subseg_new (name, 0);
+      elf_section_type (s)
+       = get_elf_backend_data (stdoutput)->obj_attrs_section_type;
+      bfd_set_section_flags (stdoutput, s, SEC_READONLY | SEC_DATA);
+      frag_now_fix ();
+      p = frag_more (size);
+      bfd_elf_set_obj_attr_contents (stdoutput, (bfd_byte *)p, size);
+
+      subsegs_finish_section (s);
+      relax_segment (seg_info (s)->frchainP->frch_root, s, 0);
+      size_seg (stdoutput, s, NULL);
+    }
+}
+#endif
+
 /* Write the object file.  */
 
 void
@@ -1843,6 +1878,11 @@ write_object_file (void)
   md_post_relax_hook;
 #endif
 
+#ifdef OBJ_ELF
+  if (IS_ELF)
+    create_obj_attrs_section ();
+#endif
+
 #ifndef WORKING_DOT_WORD
   {
     struct broken_word *lie;