* elf-bfd.h (emum elf_object_id): Rename to elf_target_id. Add

        entries for other architectures.
        (struct elf_link_hash_table): Add hash_table_id field.
        (elf_hash_table_id): New accessor macro.
        * elflink.c (_bfd_elf_link_hash_table_init): Add target_id
        parameter.
        * elf-m10300.c (elf32_mn10300_hash_table): Check table id before
        returning cast pointer.
        (elf32_mn10300_link_hash_table_create): Identify new table as
        containing MN10300 extensions.
        (mn10300_elf_relax_section): Check pointer returned by
        elf32_mn10300_hash_table.
        * elf32-arm.c: Likewise, except using ARM extensions.
        * elf32-avr.c: Likewise, except using AVR extensions.
        * elf32-bfin.c: Likewise, except using BFIN extensions.
        * elf32-cris.c: Likewise, except using CRIS extensions.
        * elf32-frv.c: Likewise, except using FRV extensions.
        * elf32-hppa.c: Likewise, except using HPPA32 extensions.
        * elf32-i386.c: Likewise, except using I386 extensions.
        * elf32-lm32.c: Likewise, except using LM32 extensions.
        * elf32-m32r.c: Likewise, except using M32RM extensions.
        * elf32-m68hc11.c: Likewise, except using M68HC11 extensions.
        * elf32-m68hc1x.c: Likewise, except using M68HC11 extensions.
        * elf32-m68hc1x.h: Likewise, except using M68HC11 extensions.
        * elf32-m68k.c: Likewise, except using M68K extensions.
        * elf32-microblaze.c: Likewise, except using MICROBLAZE extensions.
        * elf32-ppc.c: Likewise, except using PPC32 extensions.
        * elf32-s390.c: Likewise, except using S390 extensions.
        * elf32-sh.c: Likewise, except using SH extensions.
        * elf32-spu.c: Likewise, except using SPU extensions.
        * elf32-xtensa.c: Likewise, except using XTENSA extensions.
        * elf64-alpha.c: Likewise, except using ALPHA extensions.
        * elf64-hppa.c: Likewise, except using HPPA64 extensions.
        * elf64-ppc.c: Likewise, except using PPC64 extensions.
        * elf64-s390.c: Likewise, except using S390 extensions.
        * elf64-x86-64.c: Likewise, except using X86_64 extensions.
        * elfxx-ia64.c: Likewise, except using IA64 extensions.
        * elfxx-mips.c: Likewise, except using MIPS extensions.
        * elfxx-sparc.c: Likewise, except using SPARC extensions.
        * elfxx-sparc.h: Likewise, except using SPARC extensions.
        * elf32-cr16.c (struct elf32_cr16_link_hash_table): Delete
        redundant structure.
        (elf32_cr16_hash_table): Delete unused macro.
        (elf32_cr16_link_hash_traverse): Delete unused macro.
        * elf32-score.c: Likewise.
        * elf32-score7.c: Likewise.
        * elf32-vax.c: Likewise.
        * elf64-sh64.c: Likewise.

        * emultempl/alphaelf.em: Update value expected from elf_object_id.
        * emultempl/hppaelf.em: Likewise.
        * emultempl/mipself.em: Likewise.
        * emultempl/ppc32elf.em: Likewise.
        * emultempl/ppc64elf.em: Likewise.

1 files changed, 35 insertions, 6 deletions

diff --git a/bfd/elf32-lm32.c b/bfd/elf32-lm32.c
index 6184f49fcd..68195c3bf2 100644
--- a/bfd/elf32-lm32.c
+++ b/bfd/elf32-lm32.c
@@ -1,5 +1,5 @@
 /* Lattice Mico32-specific support for 32-bit ELF
-   Copyright 2008, 2009  Free Software Foundation, Inc.
+   Copyright 2008, 2009, 2010  Free Software Foundation, Inc.
    Contributed by Jon Beniston <jon@beniston.com>
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -102,7 +102,8 @@ struct elf_lm32_link_hash_table
 /* Get the lm32 ELF linker hash table from a link_info structure.  */
 
 #define lm32_elf_hash_table(p) \
-  ((struct elf_lm32_link_hash_table *) ((p)->hash))
+  (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
+  == LM32_ELF_DATA ? ((struct elf_lm32_link_hash_table *) ((p)->hash)) : NULL)
 
 #define lm32fdpic_got_section(info) \
   (lm32_elf_hash_table (info)->sgot)
@@ -164,7 +165,8 @@ lm32_elf_link_hash_table_create (bfd *abfd)
 
   if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
 				      lm32_elf_link_hash_newfunc,
-				      sizeof (struct elf_lm32_link_hash_entry)))
+				      sizeof (struct elf_lm32_link_hash_entry),
+				      LM32_ELF_DATA))
     {
       free (ret);
       return NULL;
@@ -219,10 +221,13 @@ create_got_section (bfd *dynobj, struct bfd_link_info *info)
   if (s != NULL && (s->flags & SEC_LINKER_CREATED) != 0)
     return TRUE;
 
+  htab = lm32_elf_hash_table (info);
+  if (htab == NULL)
+    return FALSE;
+
   if (! _bfd_elf_create_got_section (dynobj, info))
     return FALSE;
 
-  htab = lm32_elf_hash_table (info);
   htab->sgot = bfd_get_section_by_name (dynobj, ".got");
   htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
   htab->srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
@@ -241,7 +246,10 @@ create_rofixup_section (bfd *dynobj, struct bfd_link_info *info)
   struct elf_lm32_link_hash_table *htab;
   htab = lm32_elf_hash_table (info);
 
-  /* Fixup section for R_LM32_32 relocs */
+  if (htab == NULL)
+    return FALSE;
+
+  /* Fixup section for R_LM32_32 relocs.  */
   lm32fdpic_fixup32_section (info) = bfd_make_section_with_flags (dynobj,
                                                                    ".rofixup",
 				                                   (SEC_ALLOC
@@ -818,12 +826,14 @@ lm32_elf_relocate_section (bfd *output_bfd,
   Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
   struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
   Elf_Internal_Rela *rel, *relend;
-
   struct elf_lm32_link_hash_table *htab = lm32_elf_hash_table (info);
   bfd *dynobj;
   bfd_vma *local_got_offsets;
   asection *sgot, *splt, *sreloc;
 
+  if (htab == NULL)
+    return FALSE;
+
   dynobj = htab->root.dynobj;
   local_got_offsets = elf_local_got_offsets (input_bfd);
 
@@ -1296,6 +1306,9 @@ lm32_elf_check_relocs (bfd *abfd,
     sym_hashes_end -= symtab_hdr->sh_info;
 
   htab = lm32_elf_hash_table (info);
+  if (htab == NULL)
+    return FALSE;
+
   dynobj = htab->root.dynobj;
   local_got_offsets = elf_local_got_offsets (abfd);
 
@@ -1424,6 +1437,9 @@ lm32_elf_finish_dynamic_sections (bfd *output_bfd,
   asection *sgot;
 
   htab = lm32_elf_hash_table (info);
+  if (htab == NULL)
+    return FALSE;
+
   dynobj = htab->root.dynobj;
 
   sgot = htab->sgotplt;
@@ -1603,6 +1619,9 @@ lm32_elf_finish_dynamic_symbol (bfd *output_bfd,
   bfd_byte *loc;
 
   htab = lm32_elf_hash_table (info);
+  if (htab == NULL)
+    return FALSE;
+
   dynobj = htab->root.dynobj;
 
   if (h->plt.offset != (bfd_vma) -1)
@@ -1884,6 +1903,9 @@ lm32_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
      same memory location for the variable.  */
 
   htab = lm32_elf_hash_table (info);
+  if (htab == NULL)
+    return FALSE;
+
   s = htab->sdynbss;
   BFD_ASSERT (s != NULL);
 
@@ -1926,6 +1948,8 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
 
   info = (struct bfd_link_info *) inf;
   htab = lm32_elf_hash_table (info);
+  if (htab == NULL)
+    return FALSE;
 
   eh = (struct elf_lm32_link_hash_entry *) h;
 
@@ -2142,6 +2166,9 @@ lm32_elf_size_dynamic_sections (bfd *output_bfd,
   bfd *ibfd;
 
   htab = lm32_elf_hash_table (info);
+  if (htab == NULL)
+    return FALSE;
+
   dynobj = htab->root.dynobj;
   BFD_ASSERT (dynobj != NULL);
 
@@ -2469,6 +2496,8 @@ lm32_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
   int ptralign = 2; /* 32bit */
 
   htab = lm32_elf_hash_table (info);
+  if (htab == NULL)
+    return FALSE;
 
   /* Make sure we have a GOT - For the case where we have a dynamic object
      but none of the relocs in check_relocs */