* 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, 30 insertions, 5 deletions

diff --git a/bfd/elf32-m32r.c b/bfd/elf32-m32r.c
index bd2fd993f1..4c683ed183 100644
--- a/bfd/elf32-m32r.c
+++ b/bfd/elf32-m32r.c
@@ -1,6 +1,6 @@
 /* M32R-specific support for 32-bit ELF.
    Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-   2006, 2007, 2008, 2009  Free Software Foundation, Inc.
+   2006, 2007, 2008, 2009, 2010  Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -1540,9 +1540,9 @@ struct elf_m32r_link_hash_table
 
 /* Get the m32r ELF linker hash table from a link_info structure.  */
 
-
 #define m32r_elf_hash_table(p) \
-  ((struct elf_m32r_link_hash_table *) ((p)->hash))
+  (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
+  == M32R_ELF_DATA ? ((struct elf_m32r_link_hash_table *) ((p)->hash)) : NULL)
 
 /* Create an entry in an m32r ELF linker hash table.  */
 
@@ -1591,7 +1591,8 @@ m32r_elf_link_hash_table_create (bfd *abfd)
 
   if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
 				      m32r_elf_link_hash_newfunc,
-				      sizeof (struct elf_m32r_link_hash_entry)))
+				      sizeof (struct elf_m32r_link_hash_entry),
+				      M32R_ELF_DATA))
     {
       free (ret);
       return NULL;
@@ -1621,6 +1622,9 @@ create_got_section (bfd *dynobj, struct bfd_link_info *info)
     return FALSE;
 
   htab = m32r_elf_hash_table (info);
+  if (htab == NULL)
+    return FALSE;
+
   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");
@@ -1642,6 +1646,8 @@ m32r_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
   int ptralign = 2; /* 32bit */
 
   htab = m32r_elf_hash_table (info);
+  if (htab == NULL)
+    return FALSE;
 
   /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
      .rel[a].bss sections.  */
@@ -1934,6 +1940,9 @@ m32r_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
      same memory location for the variable.  */
 
   htab = m32r_elf_hash_table (info);
+  if (htab == NULL)
+    return FALSE;
+
   s = htab->sdynbss;
   BFD_ASSERT (s != NULL);
 
@@ -1976,6 +1985,8 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
 
   info = (struct bfd_link_info *) inf;
   htab = m32r_elf_hash_table (info);
+  if (htab == NULL)
+    return FALSE;
 
   eh = (struct elf_m32r_link_hash_entry *) h;
 
@@ -2196,6 +2207,9 @@ m32r_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
 #endif
 
   htab = m32r_elf_hash_table (info);
+  if (htab == NULL)
+    return FALSE;
+
   dynobj = htab->root.dynobj;
   BFD_ASSERT (dynobj != NULL);
 
@@ -2434,13 +2448,15 @@ m32r_elf_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
   Elf_Internal_Rela *rel, *relend;
   /* Assume success.  */
   bfd_boolean ret = TRUE;
-
   struct elf_m32r_link_hash_table *htab = m32r_elf_hash_table (info);
   bfd *dynobj;
   bfd_vma *local_got_offsets;
   asection *sgot, *splt, *sreloc;
   bfd_vma high_address = bfd_get_section_limit (input_bfd, input_section);
 
+  if (htab == NULL)
+    return FALSE;
+
   dynobj = htab->root.dynobj;
   local_got_offsets = elf_local_got_offsets (input_bfd);
 
@@ -3145,6 +3161,9 @@ m32r_elf_finish_dynamic_symbol (bfd *output_bfd,
 #endif
 
   htab = m32r_elf_hash_table (info);
+  if (htab == NULL)
+    return FALSE;
+
   dynobj = htab->root.dynobj;
 
   if (h->plt.offset != (bfd_vma) -1)
@@ -3347,6 +3366,9 @@ m32r_elf_finish_dynamic_sections (bfd *output_bfd,
 #endif
 
   htab = m32r_elf_hash_table (info);
+  if (htab == NULL)
+    return FALSE;
+
   dynobj = htab->root.dynobj;
 
   sgot = htab->sgotplt;
@@ -3764,6 +3786,9 @@ m32r_elf_check_relocs (bfd *abfd,
   sym_hashes = elf_sym_hashes (abfd);
 
   htab = m32r_elf_hash_table (info);
+  if (htab == NULL)
+    return FALSE;
+
   dynobj = htab->root.dynobj;
   local_got_offsets = elf_local_got_offsets (abfd);