2013-10-08 Jan-Benedict Glaw <jbglaw@lug-owl.de>

[deliverable/binutils-gdb.git] / bfd / elf32-spu.c

diff --git a/bfd/elf32-spu.c b/bfd/elf32-spu.c
index ed52c64e2dfe4be80a0dbc4377194c1e25f93ffc..86fb33cfec3a41631da6584e8e965324b5f616a4 100644 (file)
--- a/bfd/elf32-spu.c
+++ b/bfd/elf32-spu.c
@@ -1,6 +1,6 @@
 /* SPU specific support for 32-bit ELF
 
-   Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+   Copyright 2006-2013 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -439,7 +439,7 @@ spu_elf_link_hash_table_create (bfd *abfd)
 {
   struct spu_link_hash_table *htab;
 
-  htab = bfd_malloc (sizeof (*htab));
+  htab = bfd_zmalloc (sizeof (*htab));
   if (htab == NULL)
     return NULL;
 
@@ -452,9 +452,6 @@ spu_elf_link_hash_table_create (bfd *abfd)
       return NULL;
     }
 
-  memset (&htab->ovtab, 0,
-         sizeof (*htab) - offsetof (struct spu_link_hash_table, ovtab));
-
   htab->elf.init_got_refcount.refcount = 0;
   htab->elf.init_got_refcount.glist = NULL;
   htab->elf.init_got_offset.offset = 0;
@@ -1145,7 +1142,7 @@ count_stub (struct spu_link_hash_table *htab,
 }
 
 /* Support two sizes of overlay stubs, a slower more compact stub of two
-   intructions, and a faster stub of four instructions.
+   instructions, and a faster stub of four instructions.
    Soft-icache stubs are four or eight words.  */
 
 static unsigned int
@@ -1425,7 +1422,7 @@ build_stub (struct bfd_link_info *info,
        add = (int) irela->r_addend & 0xffffffff;
       if (add != 0)
        len += 1 + 8;
-      name = bfd_malloc (len);
+      name = bfd_malloc (len + 1);
       if (name == NULL)
        return FALSE;
 
@@ -1485,7 +1482,7 @@ allocate_spuear_stubs (struct elf_link_hash_entry *h, void *inf)
     {
       return count_stub (htab, NULL, NULL, nonovl_stub, h, NULL);
     }
-  
+
   return TRUE;
 }
 
@@ -1511,7 +1508,7 @@ build_spuear_stubs (struct elf_link_hash_entry *h, void *inf)
       return build_stub (info, NULL, NULL, nonovl_stub, h, NULL,
                         h->root.u.def.value, sym_sec);
     }
-  
+
   return TRUE;
 }
 
@@ -2154,7 +2151,7 @@ spu_elf_check_vma (struct bfd_link_info *info)
 
   htab->local_store = hi + 1 - lo;
 
-  for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next)
+  for (m = elf_seg_map (abfd); m != NULL; m = m->next)
     if (m->p_type == PT_LOAD)
       for (i = 0; i < m->count; i++)
        if (m->sections[i]->size != 0
@@ -2948,7 +2945,7 @@ discover_functions (struct bfd_link_info *info)
   sec_arr = bfd_zmalloc (bfd_idx * sizeof (*sec_arr));
   if (sec_arr == NULL)
     return FALSE;
-  
+
   for (ibfd = info->input_bfds, bfd_idx = 0;
        ibfd != NULL;
        ibfd = ibfd->link_next, bfd_idx++)
@@ -2981,7 +2978,7 @@ discover_functions (struct bfd_link_info *info)
       if (symtab_hdr->contents != NULL)
        {
          /* Don't use cached symbols since the generic ELF linker
-            code only reads local symbols, and we need globals too.  */ 
+            code only reads local symbols, and we need globals too.  */
          free (symtab_hdr->contents);
          symtab_hdr->contents = NULL;
        }
@@ -4067,7 +4064,7 @@ sort_bfds (const void *a, const void *b)
   bfd *const *abfd1 = a;
   bfd *const *abfd2 = b;
 
-  return strcmp ((*abfd1)->filename, (*abfd2)->filename);
+  return filename_cmp ((*abfd1)->filename, (*abfd2)->filename);
 }
 
 static unsigned int
@@ -4080,7 +4077,7 @@ print_one_overlay_section (FILE *script,
                           struct bfd_link_info *info)
 {
   unsigned int j;
-         
+
   for (j = base; j < count && ovly_map[j] == ovlynum; j++)
     {
       asection *sec = ovly_sections[2 * j];
@@ -4177,7 +4174,7 @@ spu_elf_auto_overlay (struct bfd_link_info *info)
   /* Find the extents of our loadable image.  */
   lo = (unsigned int) -1;
   hi = 0;
-  for (m = elf_tdata (info->output_bfd)->segment_map; m != NULL; m = m->next)
+  for (m = elf_seg_map (info->output_bfd); m != NULL; m = m->next)
     if (m->p_type == PT_LOAD)
       for (i = 0; i < m->count; i++)
        if (m->sections[i]->size != 0)
@@ -4299,7 +4296,7 @@ spu_elf_auto_overlay (struct bfd_link_info *info)
 
       qsort (bfd_arr, bfd_count, sizeof (*bfd_arr), sort_bfds);
       for (i = 1; i < bfd_count; ++i)
-       if (strcmp (bfd_arr[i - 1]->filename, bfd_arr[i]->filename) == 0)
+       if (filename_cmp (bfd_arr[i - 1]->filename, bfd_arr[i]->filename) == 0)
          {
            if (bfd_arr[i - 1]->my_archive == bfd_arr[i]->my_archive)
              {
@@ -4895,16 +4892,9 @@ spu_elf_relocate_section (bfd *output_bfd,
          sym_name = h->root.root.string;
        }
 
-      if (sec != NULL && elf_discarded_section (sec))
-       {
-         /* For relocs against symbols from removed linkonce sections,
-            or sections discarded by a linker script, we just want the
-            section contents zeroed.  Avoid any special processing.  */
-         _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
-         rel->r_info = 0;
-         rel->r_addend = 0;
-         continue;
-       }
+      if (sec != NULL && discarded_section (sec))
+       RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+                                        rel, 1, relend, howto, 0, contents);
 
       if (info->relocatable)
        continue;
@@ -4915,8 +4905,8 @@ spu_elf_relocate_section (bfd *output_bfd,
          && !(h->def_regular || ELF_COMMON_DEF_P (h)))
        {
          bfd_byte *loc = contents + rel->r_offset;
-         loc[0] = 0x1c; 
-         loc[1] = 0x00; 
+         loc[0] = 0x1c;
+         loc[1] = 0x00;
          loc[2] &= 0x3f;
        }
 
@@ -5007,7 +4997,9 @@ spu_elf_relocate_section (bfd *output_bfd,
       else if (is_ea_sym)
        unresolved_reloc = TRUE;
 
-      if (unresolved_reloc)
+      if (unresolved_reloc
+         && _bfd_elf_section_offset (output_bfd, info, input_section,
+                                     rel->r_offset) != (bfd_vma) -1)
        {
          (*_bfd_error_handler)
            (_("%B(%s+0x%lx): unresolvable %s relocation against symbol `%s'"),
@@ -5205,7 +5197,7 @@ spu_elf_modify_segment_map (bfd *abfd, struct bfd_link_info *info)
     return TRUE;
 
   toe = bfd_get_section_by_name (abfd, ".toe");
-  for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next)
+  for (m = elf_seg_map (abfd); m != NULL; m = m->next)
     if (m->p_type == PT_LOAD && m->count > 1)
       for (i = 0; i < m->count; i++)
        if ((s = m->sections[i]) == toe
@@ -5255,7 +5247,7 @@ spu_elf_modify_segment_map (bfd *abfd, struct bfd_link_info *info)
      as PF_OVERLAY) will be placed into SPU local store on startup.  */
 
   /* Move all overlay segments onto a separate list.  */
-  p = &elf_tdata (abfd)->segment_map;
+  p = &elf_seg_map (abfd);
   p_overlay = &m_overlay;
   while (*p != NULL)
     {
@@ -5273,8 +5265,8 @@ spu_elf_modify_segment_map (bfd *abfd, struct bfd_link_info *info)
     }
 
   /* Re-insert overlay segments at the head of the segment map.  */
-  *p_overlay = elf_tdata (abfd)->segment_map;
-  elf_tdata (abfd)->segment_map = m_overlay;
+  *p_overlay = elf_seg_map (abfd);
+  elf_seg_map (abfd) = m_overlay;
 
   return TRUE;
 }
@@ -5309,14 +5301,14 @@ spu_elf_modify_program_headers (bfd *abfd, struct bfd_link_info *info)
   bed = get_elf_backend_data (abfd);
   tdata = elf_tdata (abfd);
   phdr = tdata->phdr;
-  count = tdata->program_header_size / bed->s->sizeof_phdr;
+  count = elf_program_header_size (abfd) / bed->s->sizeof_phdr;
   htab = spu_hash_table (info);
   if (htab->num_overlays != 0)
     {
       struct elf_segment_map *m;
       unsigned int o;
 
-      for (i = 0, m = elf_tdata (abfd)->segment_map; m; ++i, m = m->next)
+      for (i = 0, m = elf_seg_map (abfd); m; ++i, m = m->next)
        if (m->count != 0
            && (o = spu_elf_section_data (m->sections[0])->u.o.ovl_index) != 0)
          {