* elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Enable
[deliverable/binutils-gdb.git] / bfd / elf32-m68k.c
index a613024c24a8ece88f1dea608967931fe4c9167b..1fb684472f0d25b847e9a8c8ab6dc86057dff288 100644 (file)
@@ -57,8 +57,6 @@ static boolean elf_m68k_finish_dynamic_sections
 
 static boolean elf32_m68k_set_private_flags
   PARAMS ((bfd *, flagword));
-static boolean elf32_m68k_copy_private_bfd_data
-  PARAMS ((bfd *, bfd *));
 static boolean elf32_m68k_merge_private_bfd_data
   PARAMS ((bfd *, bfd *));
 static boolean elf32_m68k_print_private_bfd_data
@@ -367,26 +365,6 @@ elf32_m68k_set_private_flags (abfd, flags)
   return true;
 }
 
-/* Copy m68k-specific data from one module to another */
-static boolean
-elf32_m68k_copy_private_bfd_data (ibfd, obfd)
-     bfd *ibfd;
-     bfd *obfd;
-{
-  flagword in_flags;
-
-  if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
-      || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
-    return true;
-
-  in_flags = elf_elfheader (ibfd)->e_flags;
-
-  elf_elfheader (obfd)->e_flags = in_flags;
-  elf_flags_init (obfd) = true;
-
-  return true;
-}
-
 /* Merge backend specific data from an object file to the output
    object file when linking.  */
 static boolean
@@ -429,10 +407,13 @@ elf32_m68k_print_private_bfd_data (abfd, ptr)
   /* Ignore init flag - it may not be set, despite the flags field containing valid data.  */
 
   /* xgettext:c-format */
-  fprintf (file, _ ("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
+  fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
 
   if (elf_elfheader (abfd)->e_flags & EF_CPU32)
-    fprintf (file, _ (" [cpu32]"));
+    fprintf (file, _(" [cpu32]"));
+
+  if (elf_elfheader (abfd)->e_flags & EF_M68000)
+    fprintf (file, _ (" [m68000]"));
 
   fputc ('\n', file);
 
@@ -805,13 +786,7 @@ elf_m68k_gc_mark_hook (abfd, info, rel, h, sym)
     }
   else
     {
-      if (!(elf_bad_symtab (abfd)
-           && ELF_ST_BIND (sym->st_info) != STB_LOCAL)
-         && ! ((sym->st_shndx <= 0 || sym->st_shndx >= SHN_LORESERVE)
-               && sym->st_shndx != SHN_COMMON))
-       {
-         return bfd_section_from_elf_index (abfd, sym->st_shndx);
-       }
+      return bfd_section_from_elf_index (abfd, sym->st_shndx);
     }
 
   return NULL;
@@ -1389,9 +1364,7 @@ elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section,
        {
          sym = local_syms + r_symndx;
          sec = local_sections[r_symndx];
-         relocation = (sec->output_section->vma
-                       + sec->output_offset
-                       + sym->st_value);
+         relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel);
        }
       else
        {
@@ -1681,31 +1654,20 @@ elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section,
                }
 
              skip = false;
-
-             if (elf_section_data (input_section)->stab_info == NULL)
-               outrel.r_offset = rel->r_offset;
-             else
-               {
-                 bfd_vma off;
-
-                 off = (_bfd_stab_section_offset
-                        (output_bfd, &elf_hash_table (info)->stab_info,
-                         input_section,
-                         &elf_section_data (input_section)->stab_info,
-                         rel->r_offset));
-                 if (off == (bfd_vma) -1)
-                   skip = true;
-                 outrel.r_offset = off;
-               }
-
+             relocate = false;
+
+             outrel.r_offset =
+               _bfd_elf_section_offset (output_bfd, info, input_section,
+                                        rel->r_offset);
+             if (outrel.r_offset == (bfd_vma) -1)
+               skip = true;
+             else if (outrel.r_offset == (bfd_vma) -2)
+               skip = true, relocate = true;
              outrel.r_offset += (input_section->output_section->vma
                                  + input_section->output_offset);
 
              if (skip)
-               {
-                 memset (&outrel, 0, sizeof outrel);
-                 relocate = false;
-               }
+               memset (&outrel, 0, sizeof outrel);
              /* h->dynindx may be -1 if the symbol was marked to
                  become local.  */
              else if (h != NULL
@@ -1714,7 +1676,6 @@ elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section,
                               & ELF_LINK_HASH_DEF_REGULAR) == 0))
                {
                  BFD_ASSERT (h->dynindx != -1);
-                 relocate = false;
                  outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
                  outrel.r_addend = relocation + rel->r_addend;
                }
@@ -1755,7 +1716,6 @@ elf_m68k_relocate_section (output_bfd, info, input_bfd, input_section,
                          BFD_ASSERT (indx > 0);
                        }
 
-                     relocate = false;
                      outrel.r_info = ELF32_R_INFO (indx, r_type);
                      outrel.r_addend = relocation + rel->r_addend;
                    }
@@ -2167,8 +2127,10 @@ bfd_m68k_elf32_create_embedded_relocs (abfd, info, datasec, relsec, errmsg)
      char **errmsg;
 {
   Elf_Internal_Shdr *symtab_hdr;
+  Elf_Internal_Shdr *shndx_hdr;
   Elf32_External_Sym *extsyms;
   Elf32_External_Sym *free_extsyms = NULL;
+  Elf_External_Sym_Shndx *shndx_buf = NULL;
   Elf_Internal_Rela *internal_relocs;
   Elf_Internal_Rela *free_relocs = NULL;
   Elf_Internal_Rela *irel, *irelend;
@@ -2190,22 +2152,34 @@ bfd_m68k_elf32_create_embedded_relocs (abfd, info, datasec, relsec, errmsg)
   else
     {
       /* Go get them off disk.  */
+      amt = symtab_hdr->sh_info * sizeof (Elf32_External_Sym);
       if (info->keep_memory)
-       extsyms = (Elf32_External_Sym *) bfd_alloc (abfd, symtab_hdr->sh_size);
+       extsyms = (Elf32_External_Sym *) bfd_alloc (abfd, amt);
       else
-       extsyms = (Elf32_External_Sym *) bfd_malloc (symtab_hdr->sh_size);
+       extsyms = (Elf32_External_Sym *) bfd_malloc (amt);
       if (extsyms == NULL)
        goto error_return;
       if (! info->keep_memory)
        free_extsyms = extsyms;
       if (bfd_seek (abfd, symtab_hdr->sh_offset, SEEK_SET) != 0
-         || (bfd_bread (extsyms, symtab_hdr->sh_size, abfd)
-             != symtab_hdr->sh_size))
+         || bfd_bread (extsyms, amt, abfd) != amt)
        goto error_return;
       if (info->keep_memory)
        symtab_hdr->contents = (unsigned char *) extsyms;
     }
 
+  shndx_hdr = &elf_tdata (abfd)->symtab_shndx_hdr;
+  if (shndx_hdr->sh_size != 0)
+    {
+      amt = symtab_hdr->sh_info * sizeof (Elf_External_Sym_Shndx);
+      shndx_buf = (Elf_External_Sym_Shndx *) bfd_malloc (amt);
+      if (shndx_buf == NULL)
+       goto error_return;
+      if (bfd_seek (abfd, shndx_hdr->sh_offset, SEEK_SET) != 0
+         || bfd_bread ((PTR) shndx_buf, amt, abfd) != amt)
+       goto error_return;
+    }
+
   /* Get a copy of the native relocations.  */
   internal_relocs = (_bfd_elf32_link_read_relocs
                     (abfd, datasec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
@@ -2244,12 +2218,14 @@ bfd_m68k_elf32_create_embedded_relocs (abfd, info, datasec, relsec, errmsg)
       /* Get the target section referred to by the reloc.  */
       if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
        {
+         Elf32_External_Sym *esym;
+         Elf_External_Sym_Shndx *shndx;
          Elf_Internal_Sym isym;
 
          /* A local symbol.  */
-         bfd_elf32_swap_symbol_in (abfd,
-                                   extsyms + ELF32_R_SYM (irel->r_info),
-                                   &isym);
+         esym = extsyms + ELF32_R_SYM (irel->r_info);
+         shndx = shndx_buf + (shndx_buf ? ELF32_R_SYM (irel->r_info) : 0);
+         bfd_elf32_swap_symbol_in (abfd, esym, shndx, &isym);
 
          targetsec = bfd_section_from_elf_index (abfd, isym.st_shndx);
        }
@@ -2275,6 +2251,8 @@ bfd_m68k_elf32_create_embedded_relocs (abfd, info, datasec, relsec, errmsg)
        strncpy (p + 4, targetsec->output_section->name, 8);
     }
 
+  if (shndx_buf != NULL)
+    free (shndx_buf);
   if (free_extsyms != NULL)
     free (free_extsyms);
   if (free_relocs != NULL)
@@ -2282,6 +2260,8 @@ bfd_m68k_elf32_create_embedded_relocs (abfd, info, datasec, relsec, errmsg)
   return true;
 
 error_return:
+  if (shndx_buf != NULL)
+    free (shndx_buf);
   if (free_extsyms != NULL)
     free (free_extsyms);
   if (free_relocs != NULL)
@@ -2328,8 +2308,6 @@ elf32_m68k_reloc_type_class (rela)
                                        elf_m68k_finish_dynamic_sections
 #define elf_backend_gc_mark_hook       elf_m68k_gc_mark_hook
 #define elf_backend_gc_sweep_hook      elf_m68k_gc_sweep_hook
-#define bfd_elf32_bfd_copy_private_bfd_data \
-                                        elf32_m68k_copy_private_bfd_data
 #define bfd_elf32_bfd_merge_private_bfd_data \
                                         elf32_m68k_merge_private_bfd_data
 #define bfd_elf32_bfd_set_private_flags \
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