Add target_id to elf_backend_data.

2010-08-25  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/11944
	* elf-bfd.h (elf_backend_data): Add target_id.
	(bfd_elf_make_generic_object): Renamed to ...
	(bfd_elf_make_object): This.

	* elf.c (bfd_elf_make_generic_object): Removed.
	(bfd_elf_make_object): New.
	(bfd_elf_mkcorefile): Really treat it as an object file.

	* elf-m10300.c (ELF_TARGET_ID): New.
	* elf32-arm.c (ELF_TARGET_ID): Likewise.
	* elf32-bfin.c (ELF_TARGET_ID): Likewise.
	* elf32-cris.c (ELF_TARGET_ID): Likewise.
	* elf32-frv.c (ELF_TARGET_ID): Likewise.
	* elf32-i386.c (ELF_TARGET_ID): Likewise.
	* elf32-lm32.c (ELF_TARGET_ID): Likewise.
	* elf32-m32r.c (ELF_TARGET_ID): Likewise.
	* elf32-m68hc11.c (ELF_TARGET_ID): Likewise.
	* elf32-m68hc12.c (ELF_TARGET_ID): Likewise.
	* elf32-m68k.c (ELF_TARGET_ID): Likewise.
	* elf32-microblaze.c (ELF_TARGET_ID): Likewise.
	* elf32-ppc.c (ELF_TARGET_ID): Likewise.
	* elf32-s390.c (ELF_TARGET_ID): Likewise.
	* elf32-sh.c (ELF_TARGET_ID): Likewise.
	* elf32-sparc.c (ELF_TARGET_ID): Likewise.
	* elf32-spu.c (ELF_TARGET_ID): Likewise.
	* elf32-tic6x.c (ELF_TARGET_ID): Likewise.
	* elf32-xtensa.c (ELF_TARGET_ID): Likewise.
	* elf64-alpha.c (ELF_TARGET_ID): Likewise.
	* elf64-hppa.c (ELF_TARGET_ID): Likewise.
	* elf64-ppc.c (ELF_TARGET_ID): Likewise.
	* elf64-s390.c (ELF_TARGET_ID): Likewise.
	* elf64-x86-64.c (ELF_TARGET_ID): Likewise.
	* elfxx-ia64.c (ELF_TARGET_ID): Likewise.

	* elf32-hppa.c (elf32_hppa_mkobject): Removed.
	(bfd_elf32_mkobject): Likewise.
	(ELF_TARGET_ID): New.

	* elf32-mips.c (ELF_TARGET_ID): New.
	(bfd_elf32_mkobject): Removed.

	* elf64-mips.c (ELF_TARGET_ID): New.
	(bfd_elf64_mkobject): Removed.

	* elfn32-mips.c (ELF_TARGET_ID): New.
	(bfd_elf32_mkobject): Removed.

	* elfxx-mips.c (_bfd_mips_elf_mkobject): Removed.
	* elfxx-mips.h (_bfd_mips_elf_mkobject): Likewise.

	* elfxx-target.h (bfd_elfNN_mkobject): Default to
	bfd_elf_make_object.
	(ELF_TARGET_ID): New.  Default to GENERIC_ELF_DATA.
	(elfNN_bed): Initialize target_id.

36 files changed, 103 insertions, 29 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index dc696e7..31e4b4c 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,61 @@
+2010-08-25  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR ld/11944
+	* elf-bfd.h (elf_backend_data): Add target_id.
+	(bfd_elf_make_generic_object): Renamed to ...
+	(bfd_elf_make_object): This.
+
+	* elf.c (bfd_elf_make_generic_object): Removed.
+	(bfd_elf_make_object): New.
+	(bfd_elf_mkcorefile): Really treat it as an object file.
+
+	* elf-m10300.c (ELF_TARGET_ID): New.
+	* elf32-arm.c (ELF_TARGET_ID): Likewise.
+	* elf32-bfin.c (ELF_TARGET_ID): Likewise.
+	* elf32-cris.c (ELF_TARGET_ID): Likewise.
+	* elf32-frv.c (ELF_TARGET_ID): Likewise.
+	* elf32-i386.c (ELF_TARGET_ID): Likewise.
+	* elf32-lm32.c (ELF_TARGET_ID): Likewise.
+	* elf32-m32r.c (ELF_TARGET_ID): Likewise.
+	* elf32-m68hc11.c (ELF_TARGET_ID): Likewise.
+	* elf32-m68hc12.c (ELF_TARGET_ID): Likewise.
+	* elf32-m68k.c (ELF_TARGET_ID): Likewise.
+	* elf32-microblaze.c (ELF_TARGET_ID): Likewise.
+	* elf32-ppc.c (ELF_TARGET_ID): Likewise.
+	* elf32-s390.c (ELF_TARGET_ID): Likewise.
+	* elf32-sh.c (ELF_TARGET_ID): Likewise.
+	* elf32-sparc.c (ELF_TARGET_ID): Likewise.
+	* elf32-spu.c (ELF_TARGET_ID): Likewise.
+	* elf32-tic6x.c (ELF_TARGET_ID): Likewise.
+	* elf32-xtensa.c (ELF_TARGET_ID): Likewise.
+	* elf64-alpha.c (ELF_TARGET_ID): Likewise.
+	* elf64-hppa.c (ELF_TARGET_ID): Likewise.
+	* elf64-ppc.c (ELF_TARGET_ID): Likewise.
+	* elf64-s390.c (ELF_TARGET_ID): Likewise.
+	* elf64-x86-64.c (ELF_TARGET_ID): Likewise.
+	* elfxx-ia64.c (ELF_TARGET_ID): Likewise.
+
+	* elf32-hppa.c (elf32_hppa_mkobject): Removed.
+	(bfd_elf32_mkobject): Likewise.
+	(ELF_TARGET_ID): New.
+
+	* elf32-mips.c (ELF_TARGET_ID): New.
+	(bfd_elf32_mkobject): Removed.
+
+	* elf64-mips.c (ELF_TARGET_ID): New.
+	(bfd_elf64_mkobject): Removed.
+
+	* elfn32-mips.c (ELF_TARGET_ID): New.
+	(bfd_elf32_mkobject): Removed.
+
+	* elfxx-mips.c (_bfd_mips_elf_mkobject): Removed.
+	* elfxx-mips.h (_bfd_mips_elf_mkobject): Likewise.
+
+	* elfxx-target.h (bfd_elfNN_mkobject): Default to
+	bfd_elf_make_object.
+	(ELF_TARGET_ID): New.  Default to GENERIC_ELF_DATA.
+	(elfNN_bed): Initialize target_id.
+
 2010-08-25  Julian Brown  <julian@codesourcery.com>
 
 	* elf32-arm.c (arm_stub_required_alignment): New.
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 2220d4d..dbcebd2 100644
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -689,6 +689,10 @@ struct elf_backend_data
   /* The architecture for this backend.  */
   enum bfd_architecture arch;
 
+  /* An identifier used to distinguish different target specific
+     extensions to elf_obj_tdata and elf_link_hash_table structures.  */
+  enum elf_target_id target_id;
+
   /* The ELF machine code (EM_xxxx) for this backend.  */
   int elf_machine_code;
 
@@ -1739,7 +1743,7 @@ extern bfd_reloc_status_type bfd_elf_generic_reloc
   (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
 extern bfd_boolean bfd_elf_allocate_object
   (bfd *, size_t, enum elf_target_id);
-extern bfd_boolean bfd_elf_make_generic_object
+extern bfd_boolean bfd_elf_make_object
   (bfd *);
 extern bfd_boolean bfd_elf_mkcorefile
   (bfd *);
diff --git a/bfd/elf-m10300.c b/bfd/elf-m10300.c
index f151c21..a4da9d5 100644
--- a/bfd/elf-m10300.c
+++ b/bfd/elf-m10300.c
@@ -4893,6 +4893,7 @@ _bfd_mn10300_elf_reloc_type_class (const Elf_Internal_Rela *rela)
 #define TARGET_LITTLE_SYM	bfd_elf32_mn10300_vec
 #define TARGET_LITTLE_NAME	"elf32-mn10300"
 #define ELF_ARCH		bfd_arch_mn10300
+#define ELF_TARGET_ID		MN10300_ELF_DATA
 #define ELF_MACHINE_CODE	EM_MN10300
 #define ELF_MACHINE_ALT1	EM_CYGNUS_MN10300
 #define ELF_MAXPAGESIZE		0x1000
diff --git a/bfd/elf.c b/bfd/elf.c
index 9c56e2e..f4e5058 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -250,17 +250,18 @@ bfd_elf_allocate_object (bfd *abfd,
 
 
 bfd_boolean
-bfd_elf_make_generic_object (bfd *abfd)
+bfd_elf_make_object (bfd *abfd)
 {
+  const struct elf_backend_data *bed = get_elf_backend_data (abfd);
   return bfd_elf_allocate_object (abfd, sizeof (struct elf_obj_tdata),
-				  GENERIC_ELF_DATA);
+				  bed->target_id);
 }
 
 bfd_boolean
 bfd_elf_mkcorefile (bfd *abfd)
 {
   /* I think this can be done just like an object file.  */
-  return bfd_elf_make_generic_object (abfd);
+  return abfd->xvec->_bfd_set_format[(int) bfd_object] (abfd);
 }
 
 static char *
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index 390c0af..f818319 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -13900,6 +13900,7 @@ const struct elf_size_info elf32_arm_size_info =
 };
 
 #define ELF_ARCH			bfd_arch_arm
+#define ELF_TARGET_ID			ARM_ELF_DATA
 #define ELF_MACHINE_CODE		EM_ARM
 #ifdef __QNXTARGET__
 #define ELF_MAXPAGESIZE			0x1000
diff --git a/bfd/elf32-avr.c b/bfd/elf32-avr.c
index a9b41fa..7334340 100644
--- a/bfd/elf32-avr.c
+++ b/bfd/elf32-avr.c
@@ -2991,6 +2991,7 @@ elf32_avr_build_stubs (struct bfd_link_info *info)
 }
 
 #define ELF_ARCH		bfd_arch_avr
+#define ELF_TARGET_ID		AVR_ELF_DATA
 #define ELF_MACHINE_CODE	EM_AVR
 #define ELF_MACHINE_ALT1	EM_AVR_OLD
 #define ELF_MAXPAGESIZE		1
diff --git a/bfd/elf32-bfin.c b/bfd/elf32-bfin.c
index e8cdf22..ac41d63 100644
--- a/bfd/elf32-bfin.c
+++ b/bfd/elf32-bfin.c
@@ -5764,6 +5764,7 @@ struct bfd_elf_special_section const elf32_bfin_special_sections[] =
 #define TARGET_LITTLE_SYM		bfd_elf32_bfin_vec
 #define TARGET_LITTLE_NAME		"elf32-bfin"
 #define ELF_ARCH			bfd_arch_bfin
+#define ELF_TARGET_ID			BFIN_ELF_DATA
 #define ELF_MACHINE_CODE		EM_BLACKFIN
 #define ELF_MAXPAGESIZE			0x1000
 #define elf_symbol_leading_char		'_'
diff --git a/bfd/elf32-cris.c b/bfd/elf32-cris.c
index 0129d6a..71634c9 100644
--- a/bfd/elf32-cris.c
+++ b/bfd/elf32-cris.c
@@ -4364,6 +4364,7 @@ elf_cris_got_elt_size (bfd *abfd ATTRIBUTE_UNUSED,
 }
 
 #define ELF_ARCH		bfd_arch_cris
+#define ELF_TARGET_ID		CRIS_ELF_DATA
 #define ELF_MACHINE_CODE	EM_CRIS
 #define ELF_MAXPAGESIZE		0x2000
 
diff --git a/bfd/elf32-frv.c b/bfd/elf32-frv.c
index 811d5f5..2acc917 100644
--- a/bfd/elf32-frv.c
+++ b/bfd/elf32-frv.c
@@ -6994,6 +6994,7 @@ elf32_frv_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
   return TRUE;
 }
 #define ELF_ARCH		bfd_arch_frv
+#define ELF_TARGET_ID		FRV_ELF_DATA
 #define ELF_MACHINE_CODE	EM_CYGNUS_FRV
 #define ELF_MAXPAGESIZE		0x1000
 
diff --git a/bfd/elf32-hppa.c b/bfd/elf32-hppa.c
index 794de82..1a6fef8 100644
--- a/bfd/elf32-hppa.c
+++ b/bfd/elf32-hppa.c
@@ -336,15 +336,6 @@ struct elf32_hppa_link_hash_table
 #define eh_name(eh) \
   (eh ? eh->root.root.string : "<undef>")
 
-/* Override the generic function because we want to mark our BFDs.  */
-
-static bfd_boolean
-elf32_hppa_mkobject (bfd *abfd)
-{
-  return bfd_elf_allocate_object (abfd, sizeof (struct elf_obj_tdata),
-				  HPPA32_ELF_DATA);
-}
-
 /* Assorted hash table functions.  */
 
 /* Initialize an entry in the stub hash table.  */
@@ -4649,7 +4640,6 @@ elf32_hppa_elf_get_symbol_type (Elf_Internal_Sym *elf_sym, int type)
 #define elf_info_to_howto_rel		     elf_hppa_info_to_howto_rel
 
 /* Stuff for the BFD linker.  */
-#define bfd_elf32_mkobject		     elf32_hppa_mkobject
 #define bfd_elf32_bfd_final_link	     elf32_hppa_final_link
 #define bfd_elf32_bfd_link_hash_table_create elf32_hppa_link_hash_table_create
 #define bfd_elf32_bfd_link_hash_table_free   elf32_hppa_link_hash_table_free
@@ -4687,6 +4677,7 @@ elf32_hppa_elf_get_symbol_type (Elf_Internal_Sym *elf_sym, int type)
 #define TARGET_BIG_SYM		bfd_elf32_hppa_vec
 #define TARGET_BIG_NAME		"elf32-hppa"
 #define ELF_ARCH		bfd_arch_hppa
+#define ELF_TARGET_ID		HPPA32_ELF_DATA
 #define ELF_MACHINE_CODE	EM_PARISC
 #define ELF_MAXPAGESIZE		0x1000
 #define ELF_OSABI		ELFOSABI_HPUX
diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c
index 581f218..7a426d5 100644
--- a/bfd/elf32-i386.c
+++ b/bfd/elf32-i386.c
@@ -4692,6 +4692,7 @@ elf_i386_add_symbol_hook (bfd * abfd,
 #define TARGET_LITTLE_SYM		bfd_elf32_i386_vec
 #define TARGET_LITTLE_NAME		"elf32-i386"
 #define ELF_ARCH			bfd_arch_i386
+#define ELF_TARGET_ID			I386_ELF_DATA
 #define ELF_MACHINE_CODE		EM_386
 #define ELF_MAXPAGESIZE			0x1000
 
diff --git a/bfd/elf32-lm32.c b/bfd/elf32-lm32.c
index 727fc7a..49b2130 100644
--- a/bfd/elf32-lm32.c
+++ b/bfd/elf32-lm32.c
@@ -2853,6 +2853,7 @@ lm32_elf_fdpic_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
 
 
 #define ELF_ARCH                bfd_arch_lm32
+#define ELF_TARGET_ID		LM32_ELF_DATA
 #define ELF_MACHINE_CODE        EM_LATTICEMICO32
 #define ELF_MAXPAGESIZE         0x1000
 
diff --git a/bfd/elf32-m32r.c b/bfd/elf32-m32r.c
index e079c4a..28eff76 100644
--- a/bfd/elf32-m32r.c
+++ b/bfd/elf32-m32r.c
@@ -4080,6 +4080,7 @@ m32r_elf_reloc_type_class (const Elf_Internal_Rela *rela)
 }
 
 #define ELF_ARCH		bfd_arch_m32r
+#define ELF_TARGET_ID		M32R_ELF_DATA
 #define ELF_MACHINE_CODE	EM_M32R
 #define ELF_MACHINE_ALT1	EM_CYGNUS_M32R
 #define ELF_MAXPAGESIZE		0x1 /* Explicitly requested by Mitsubishi.  */
diff --git a/bfd/elf32-m68hc11.c b/bfd/elf32-m68hc11.c
index 79a1944..63d0786 100644
--- a/bfd/elf32-m68hc11.c
+++ b/bfd/elf32-m68hc11.c
@@ -1285,6 +1285,7 @@ static const struct bfd_elf_special_section elf32_m68hc11_special_sections[] =
 };
 
 #define ELF_ARCH		bfd_arch_m68hc11
+#define ELF_TARGET_ID		M68HC11_ELF_DATA
 #define ELF_MACHINE_CODE	EM_68HC11
 #define ELF_MAXPAGESIZE		0x1000
 
diff --git a/bfd/elf32-m68hc12.c b/bfd/elf32-m68hc12.c
index ba9293b..1788856 100644
--- a/bfd/elf32-m68hc12.c
+++ b/bfd/elf32-m68hc12.c
@@ -564,6 +564,7 @@ static const struct bfd_elf_special_section elf32_m68hc12_special_sections[] =
 };
 
 #define ELF_ARCH		bfd_arch_m68hc12
+#define ELF_TARGET_ID		M68HC11_ELF_DATA
 #define ELF_MACHINE_CODE	EM_68HC12
 #define ELF_MAXPAGESIZE		0x1000
 
diff --git a/bfd/elf32-m68k.c b/bfd/elf32-m68k.c
index 975207f..7323612 100644
--- a/bfd/elf32-m68k.c
+++ b/bfd/elf32-m68k.c
@@ -469,6 +469,7 @@ reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
 #define bfd_elf32_bfd_reloc_type_lookup reloc_type_lookup
 #define bfd_elf32_bfd_reloc_name_lookup reloc_name_lookup
 #define ELF_ARCH bfd_arch_m68k
+#define ELF_TARGET_ID M68K_ELF_DATA
 
 /* Functions for the m68k ELF linker.  */
 
diff --git a/bfd/elf32-microblaze.c b/bfd/elf32-microblaze.c
index e4c319d..a64926a 100644
--- a/bfd/elf32-microblaze.c
+++ b/bfd/elf32-microblaze.c
@@ -3026,6 +3026,7 @@ microblaze_elf_add_symbol_hook (bfd *abfd,
 #define TARGET_BIG_NAME		"elf32-microblaze"
 
 #define ELF_ARCH		bfd_arch_microblaze
+#define ELF_TARGET_ID		MICROBLAZE_ELF_DATA
 #define ELF_MACHINE_CODE	EM_MICROBLAZE
 #define ELF_MACHINE_ALT1	EM_MICROBLAZE_OLD
 #define ELF_MAXPAGESIZE		0x4   		/* 4k, if we ever have 'em.  */
diff --git a/bfd/elf32-mips.c b/bfd/elf32-mips.c
index aabf284..aed0b4c 100644
--- a/bfd/elf32-mips.c
+++ b/bfd/elf32-mips.c
@@ -1605,6 +1605,7 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
 };
 
 #define ELF_ARCH			bfd_arch_mips
+#define ELF_TARGET_ID			MIPS_ELF_DATA
 #define ELF_MACHINE_CODE		EM_MIPS
 
 #define elf_backend_collect		TRUE
@@ -1676,7 +1677,6 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
 #define bfd_elf32_set_section_contents	_bfd_mips_elf_set_section_contents
 #define bfd_elf32_bfd_get_relocated_section_contents \
 				_bfd_elf_mips_get_relocated_section_contents
-#define bfd_elf32_mkobject		_bfd_mips_elf_mkobject
 #define bfd_elf32_bfd_link_hash_table_create \
 					_bfd_mips_elf_link_hash_table_create
 #define bfd_elf32_bfd_final_link	_bfd_mips_elf_final_link
diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c
index eb8d540..ef0e159 100644
--- a/bfd/elf32-ppc.c
+++ b/bfd/elf32-ppc.c
@@ -8927,6 +8927,7 @@ ppc_elf_finish_dynamic_sections (bfd *output_bfd,
 #define TARGET_BIG_SYM		bfd_elf32_powerpc_vec
 #define TARGET_BIG_NAME		"elf32-powerpc"
 #define ELF_ARCH		bfd_arch_powerpc
+#define ELF_TARGET_ID		PPC32_ELF_DATA
 #define ELF_MACHINE_CODE	EM_PPC
 #ifdef __QNXTARGET__
 #define ELF_MAXPAGESIZE		0x1000
diff --git a/bfd/elf32-s390.c b/bfd/elf32-s390.c
index 4f9e0b3..bc8e054 100644
--- a/bfd/elf32-s390.c
+++ b/bfd/elf32-s390.c
@@ -3496,6 +3496,7 @@ elf32_s390_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
 #define TARGET_BIG_SYM	bfd_elf32_s390_vec
 #define TARGET_BIG_NAME	"elf32-s390"
 #define ELF_ARCH	bfd_arch_s390
+#define ELF_TARGET_ID	S390_ELF_DATA
 #define ELF_MACHINE_CODE EM_S390
 #define ELF_MACHINE_ALT1 EM_S390_OLD
 #define ELF_MAXPAGESIZE 0x1000
diff --git a/bfd/elf32-sh.c b/bfd/elf32-sh.c
index e48017e..023ed7e 100644
--- a/bfd/elf32-sh.c
+++ b/bfd/elf32-sh.c
@@ -7569,6 +7569,7 @@ sh_elf_encode_eh_address (bfd *abfd,
 #endif
 
 #define ELF_ARCH		bfd_arch_sh
+#define ELF_TARGET_ID		SH_ELF_DATA
 #define ELF_MACHINE_CODE	EM_SH
 #ifdef __QNXTARGET__
 #define ELF_MAXPAGESIZE		0x1000
diff --git a/bfd/elf32-sparc.c b/bfd/elf32-sparc.c
index 80102e9..adfe924 100644
--- a/bfd/elf32-sparc.c
+++ b/bfd/elf32-sparc.c
@@ -188,6 +188,7 @@ elf32_sparc_add_symbol_hook (bfd * abfd,
 #define TARGET_BIG_SYM	bfd_elf32_sparc_vec
 #define TARGET_BIG_NAME	"elf32-sparc"
 #define ELF_ARCH	bfd_arch_sparc
+#define ELF_TARGET_ID	SPARC_ELF_DATA
 #define ELF_MACHINE_CODE EM_SPARC
 #define ELF_MACHINE_ALT1 EM_SPARC32PLUS
 #define ELF_MAXPAGESIZE 0x10000
diff --git a/bfd/elf32-spu.c b/bfd/elf32-spu.c
index fb3a4fa..8615e46 100644
--- a/bfd/elf32-spu.c
+++ b/bfd/elf32-spu.c
@@ -5445,6 +5445,7 @@ spu_elf_size_sections (bfd * output_bfd, struct bfd_link_info *info)
 #define TARGET_BIG_SYM		bfd_elf32_spu_vec
 #define TARGET_BIG_NAME		"elf32-spu"
 #define ELF_ARCH		bfd_arch_spu
+#define ELF_TARGET_ID		SPU_ELF_DATA
 #define ELF_MACHINE_CODE	EM_SPU
 /* This matches the alignment need for DMA.  */
 #define ELF_MAXPAGESIZE		0x80
diff --git a/bfd/elf32-tic6x.c b/bfd/elf32-tic6x.c
index dc837fb..3815ff1 100644
--- a/bfd/elf32-tic6x.c
+++ b/bfd/elf32-tic6x.c
@@ -1753,6 +1753,7 @@ elf32_tic6x_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
 #define TARGET_BIG_SYM		bfd_elf32_tic6x_be_vec
 #define TARGET_BIG_NAME		"elf32-tic6x-be"
 #define ELF_ARCH		bfd_arch_tic6x
+#define ELF_TARGET_ID		TIC6X_ELF_DATA
 #define ELF_MACHINE_CODE	EM_TI_C6000
 #define ELF_MAXPAGESIZE		1
 #define bfd_elf32_bfd_reloc_type_lookup elf32_tic6x_reloc_type_lookup
diff --git a/bfd/elf32-xtensa.c b/bfd/elf32-xtensa.c
index 12788ec..9b9b5de 100644
--- a/bfd/elf32-xtensa.c
+++ b/bfd/elf32-xtensa.c
@@ -10766,6 +10766,7 @@ static const struct bfd_elf_special_section elf_xtensa_special_sections[] =
   { NULL,                       0,      0, 0,            0 }
 };
 
+#define ELF_TARGET_ID			XTENSA_ELF_DATA
 #ifndef ELF_ARCH
 #define TARGET_LITTLE_SYM		bfd_elf32_xtensa_le_vec
 #define TARGET_LITTLE_NAME		"elf32-xtensa-le"
diff --git a/bfd/elf64-alpha.c b/bfd/elf64-alpha.c
index 083beb1..bd9a617 100644
--- a/bfd/elf64-alpha.c
+++ b/bfd/elf64-alpha.c
@@ -5334,6 +5334,7 @@ static const struct elf_size_info alpha_elf_size_info =
 #define TARGET_LITTLE_SYM	bfd_elf64_alpha_vec
 #define TARGET_LITTLE_NAME	"elf64-alpha"
 #define ELF_ARCH		bfd_arch_alpha
+#define ELF_TARGET_ID		ALPHA_ELF_DATA
 #define ELF_MACHINE_CODE	EM_ALPHA
 #define ELF_MAXPAGESIZE	0x10000
 #define ELF_COMMONPAGESIZE	0x2000
diff --git a/bfd/elf64-hppa.c b/bfd/elf64-hppa.c
index e76593d..ba6b1f8 100644
--- a/bfd/elf64-hppa.c
+++ b/bfd/elf64-hppa.c
@@ -4045,6 +4045,7 @@ const struct elf_size_info hppa64_elf_size_info =
 #define TARGET_BIG_SYM			bfd_elf64_hppa_vec
 #define TARGET_BIG_NAME			"elf64-hppa"
 #define ELF_ARCH			bfd_arch_hppa
+#define ELF_TARGET_ID			HPPA64_ELF_DATA
 #define ELF_MACHINE_CODE		EM_PARISC
 /* This is not strictly correct.  The maximum page size for PA2.0 is
    64M.  But everything still uses 4k.  */
diff --git a/bfd/elf64-mips.c b/bfd/elf64-mips.c
index 33d7a87..bb079cf 100644
--- a/bfd/elf64-mips.c
+++ b/bfd/elf64-mips.c
@@ -3207,6 +3207,7 @@ const struct elf_size_info mips_elf64_size_info =
 };
 
 #define ELF_ARCH			bfd_arch_mips
+#define ELF_TARGET_ID			MIPS_ELF_DATA
 #define ELF_MACHINE_CODE		EM_MIPS
 
 #define elf_backend_collect		TRUE
@@ -3285,7 +3286,6 @@ const struct elf_size_info mips_elf64_size_info =
 #define bfd_elf64_set_section_contents	_bfd_mips_elf_set_section_contents
 #define bfd_elf64_bfd_get_relocated_section_contents \
 				_bfd_elf_mips_get_relocated_section_contents
-#define bfd_elf64_mkobject		_bfd_mips_elf_mkobject
 #define bfd_elf64_bfd_link_hash_table_create \
 				_bfd_mips_elf_link_hash_table_create
 #define bfd_elf64_bfd_final_link	_bfd_mips_elf_final_link
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index 954d18d..2073bdc 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -61,6 +61,7 @@ static bfd_vma opd_entry_value
 #define TARGET_BIG_SYM		bfd_elf64_powerpc_vec
 #define TARGET_BIG_NAME		"elf64-powerpc"
 #define ELF_ARCH		bfd_arch_powerpc
+#define ELF_TARGET_ID		PPC64_ELF_DATA
 #define ELF_MACHINE_CODE	EM_PPC64
 #define ELF_MAXPAGESIZE		0x10000
 #define ELF_COMMONPAGESIZE	0x1000
diff --git a/bfd/elf64-s390.c b/bfd/elf64-s390.c
index e994e46..2f253b9 100644
--- a/bfd/elf64-s390.c
+++ b/bfd/elf64-s390.c
@@ -3415,6 +3415,7 @@ const struct elf_size_info s390_elf64_size_info =
 #define TARGET_BIG_SYM	bfd_elf64_s390_vec
 #define TARGET_BIG_NAME	"elf64-s390"
 #define ELF_ARCH	bfd_arch_s390
+#define ELF_TARGET_ID	S390_ELF_DATA
 #define ELF_MACHINE_CODE EM_S390
 #define ELF_MACHINE_ALT1 EM_S390_OLD
 #define ELF_MAXPAGESIZE 0x1000
diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c
index f11584b..9da73a1 100644
--- a/bfd/elf64-x86-64.c
+++ b/bfd/elf64-x86-64.c
@@ -4456,6 +4456,7 @@ static const struct bfd_elf_special_section
 #define TARGET_LITTLE_SYM		    bfd_elf64_x86_64_vec
 #define TARGET_LITTLE_NAME		    "elf64-x86-64"
 #define ELF_ARCH			    bfd_arch_i386
+#define ELF_TARGET_ID			    X86_64_ELF_DATA
 #define ELF_MACHINE_CODE		    EM_X86_64
 #define ELF_MAXPAGESIZE			    0x200000
 #define ELF_MINPAGESIZE			    0x1000
diff --git a/bfd/elfn32-mips.c b/bfd/elfn32-mips.c
index 0aa25e7..8338bbb 100644
--- a/bfd/elfn32-mips.c
+++ b/bfd/elfn32-mips.c
@@ -2431,6 +2431,7 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
 };
 
 #define ELF_ARCH			bfd_arch_mips
+#define ELF_TARGET_ID			MIPS_ELF_DATA
 #define ELF_MACHINE_CODE		EM_MIPS
 
 #define elf_backend_collect		TRUE
@@ -2504,7 +2505,6 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
 #define bfd_elf32_set_section_contents	_bfd_mips_elf_set_section_contents
 #define bfd_elf32_bfd_get_relocated_section_contents \
 				_bfd_elf_mips_get_relocated_section_contents
-#define bfd_elf32_mkobject		_bfd_mips_elf_mkobject
 #define bfd_elf32_bfd_link_hash_table_create \
 					_bfd_mips_elf_link_hash_table_create
 #define bfd_elf32_bfd_final_link	_bfd_mips_elf_final_link
diff --git a/bfd/elfxx-ia64.c b/bfd/elfxx-ia64.c
index 0646ed1..c8588b9 100644
--- a/bfd/elfxx-ia64.c
+++ b/bfd/elfxx-ia64.c
@@ -5996,6 +5996,7 @@ elfNN_vms_close_and_cleanup (bfd *abfd)
 #define TARGET_BIG_SYM			bfd_elfNN_ia64_big_vec
 #define TARGET_BIG_NAME			"elfNN-ia64-big"
 #define ELF_ARCH			bfd_arch_ia64
+#define ELF_TARGET_ID			IA64_ELF_DATA
 #define ELF_MACHINE_CODE		EM_IA_64
 #define ELF_MACHINE_ALT1		1999	/* EAS2.3 */
 #define ELF_MACHINE_ALT2		1998	/* EAS2.2 */
diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c
index e9a9c27..78f96c1 100644
--- a/bfd/elfxx-mips.c
+++ b/bfd/elfxx-mips.c
@@ -11520,15 +11520,6 @@ error_return:
   return NULL;
 }
 
-/* Allocate ABFD's target-dependent data.  */
-
-bfd_boolean
-_bfd_mips_elf_mkobject (bfd *abfd)
-{
-  return bfd_elf_allocate_object (abfd, sizeof (struct elf_obj_tdata),
-				  MIPS_ELF_DATA);
-}
-
 /* Create a MIPS ELF linker hash table.  */
 
 struct bfd_link_hash_table *
diff --git a/bfd/elfxx-mips.h b/bfd/elfxx-mips.h
index 096bd13..85cbfb8 100644
--- a/bfd/elfxx-mips.h
+++ b/bfd/elfxx-mips.h
@@ -92,8 +92,6 @@ extern bfd_boolean _bfd_mips_elf_set_section_contents
 extern bfd_byte *_bfd_elf_mips_get_relocated_section_contents
   (bfd *, struct bfd_link_info *, struct bfd_link_order *,
    bfd_byte *, bfd_boolean, asymbol **);
-extern bfd_boolean _bfd_mips_elf_mkobject
-  (bfd *);
 extern struct bfd_link_hash_table *_bfd_mips_elf_link_hash_table_create
   (bfd *);
 extern struct bfd_link_hash_table *_bfd_mips_vxworks_link_hash_table_create
diff --git a/bfd/elfxx-target.h b/bfd/elfxx-target.h
index ebce6a8..00fd693 100644
--- a/bfd/elfxx-target.h
+++ b/bfd/elfxx-target.h
@@ -278,7 +278,7 @@
 #endif
 
 #ifndef bfd_elfNN_mkobject
-#define bfd_elfNN_mkobject bfd_elf_make_generic_object
+#define bfd_elfNN_mkobject bfd_elf_make_object
 #endif
 
 #ifndef bfd_elfNN_mkcorefile
@@ -305,6 +305,10 @@
 #define elf_info_to_howto_rel 0
 #endif
 
+#ifndef ELF_TARGET_ID
+#define ELF_TARGET_ID	GENERIC_ELF_DATA
+#endif
+
 #ifndef ELF_OSABI
 #define ELF_OSABI ELFOSABI_NONE
 #endif
@@ -638,6 +642,7 @@ extern const struct elf_size_info _bfd_elfNN_size_info;
 static struct elf_backend_data elfNN_bed =
 {
   ELF_ARCH,			/* arch */
+  ELF_TARGET_ID,		/* target_id */
   ELF_MACHINE_CODE,		/* elf_machine_code */
   ELF_OSABI,			/* elf_osabi  */
   ELF_MAXPAGESIZE,		/* maxpagesize */