ELF: Add target_os to elf_link_hash_table/elf_backend_data

Add target_os to elf_backend_data to identify target OS.  Add target_os,
to elf_link_hash_table to identify target OS for linker output.

	* elf-bfd.h (elf_target_os): New.
	(elf_link_hash_table): Add target_os.
	(elf_backend_data): Add target_os.
	* elf32-arm.c (elf32_arm_link_hash_table): Remove vxworks_p,
	symbian_p and nacl_p.
	(create_got_section): Updated.
	(elf32_arm_create_dynamic_sections): Likewise.
	(arm_type_of_stub): Likewise.
	(elf32_arm_create_or_find_stub_sec): Likewise.
	(elf32_arm_allocate_plt_entry): Likewise.
	(elf32_arm_populate_plt_entry): Likewise.
	(elf32_arm_final_link_relocate): Likewise.
	(elf32_arm_check_relocs): Likewise.
	(allocate_dynrelocs_for_symbol): Likewise.
	(elf32_arm_finish_dynamic_symbol): Likewise.
	(elf32_arm_finish_dynamic_sections): Likewise.
	(elf32_arm_output_plt_map_1): Likewise.
	(elf32_arm_output_arch_local_syms): Likewise.
	(elf32_arm_add_symbol_hook): Likewise.
	(elf32_arm_nacl_link_hash_table_create): Likewise.
	(elf32_arm_vxworks_link_hash_table_create): Likewise.
	(elf32_arm_symbian_link_hash_table_create): Likewise.
	(ELF_TARGET_OS): New.
	* elf32-i386.c (elf_i386_arch_bed): Removed.
	(elf_backend_arch_data): Likewise.
	(elf_i386_solaris_arch_bed): Likewise.
	(elf_i386_nacl_arch_bed): Likewise.
	(elf_i386_vxworks_arch_bed): Likewise.
	(elf_i386_relocate_section): Updated.
	(elf_i386_finish_dynamic_sections): Likewise.
	(elf_i386_get_synthetic_symtab): Likewise.
	(elf_i386_link_setup_gnu_properties): Likewise.
	(ELF_TARGET_OS): New.
	* elf32-mips.c (ELF_TARGET_OS): New.
	* elf32-ppc.c (ppc_elf_link_hash_table): Remove is_vxworks.
	(ppc_elf_create_got): Updated.
	(ppc_elf_create_dynamic_sections): Likewise.
	(ppc_elf_check_relocs): Likewise.
	(ppc_elf_adjust_dynamic_symbol): Likewise.
	(ppc_elf_size_dynamic_sections): Likewise.
	(ppc_elf_relocate_section): Likewise.
	(ppc_elf_finish_dynamic_sections): Likewise.
	(ppc_elf_vxworks_link_hash_table_create): Likewise.
	(ELF_TARGET_OS): New.
	* elf32-sh.c (elf_sh_link_hash_table): Remove vxworks_p.
	(sh_elf_link_hash_table_create): Updated.
	(sh_elf_create_dynamic_sections): Likewise.
	(allocate_dynrelocs): Likewise.
	(sh_elf_size_dynamic_sections): Likewise.
	(sh_elf_relocate_section): Likewise.
	(sh_elf_finish_dynamic_symbol): Likewise.
	(sh_elf_finish_dynamic_sections): Likewise.
	(ELF_TARGET_OS): New.
	* elf32-sparc.c (elf32_sparc_vxworks_link_hash_table_create):
	Removed.
	(bfd_elf32_bfd_link_hash_table_create): Likewise.
	(ELF_TARGET_OS): New.
	* elf64-x86-64.c (elf_x86_64_arch_bed): Removed.
	(elf_x86_64_solaris_arch_bed): Likewise.
	(elf_x86_64_nacl_arch_bed): Likewise.
	(elf_x86_64_finish_dynamic_sections): Updated.
	(elf_x86_64_get_synthetic_symtab): Likewise.
	(elf_x86_64_link_setup_gnu_properties): Likewise.
	(ELF_TARGET_OS): New.
	* elflink.c (_bfd_elf_link_hash_table_init): Initialize
	target_o.
	* elfxx-mips.c (mips_elf_link_hash_table): Remove is_vxworks.
	(MIPS_ELF_REL_DYN_NAME): Updated.
	(ELF_MIPS_GP_OFFSET): Likewise.
	(mips_elf_create_local_got_entry): Likewise.
	(mips_elf_allocate_dynamic_relocations): Likewise.
	(mips_elf_count_got_symbols): Likewise.
	(is_gott_symbol): Likewise.
	(mips_elf_calculate_relocation): Likewise.
	(mips_elf_create_dynamic_relocation): Likewise.
	(_bfd_mips_elf_check_relocs): Likewise.
	(allocate_dynrelocs): Likewise.
	(_bfd_mips_elf_adjust_dynamic_symbol): Likewise.
	(mips_elf_lay_out_got): Likewise.
	(mips_elf_set_plt_sym_value): Likewise.
	(_bfd_mips_elf_size_dynamic_sections): Likewise.
	(_bfd_mips_elf_finish_dynamic_symbol): Likewise.
	(_bfd_mips_elf_finish_dynamic_sections): Likewise.
	(_bfd_mips_elf_final_link): Likewise.
	(_bfd_mips_init_file_header): Likewise.
	* elfxx-sparc.c (_bfd_sparc_elf_create_dynamic_sections):
	Likewise.
	(allocate_dynrelocs): Likewise.
	(_bfd_sparc_elf_size_dynamic_sections): Likewise.
	(_bfd_sparc_elf_relocate_section): Likewise.
	(_bfd_sparc_elf_finish_dynamic_symbol): Likewise.
	(sparc_finish_dyn): Likewise.
	(_bfd_sparc_elf_finish_dynamic_sections): Likewise.
	* elfxx-target.h (ELF_TARGET_OS): New.
	(elfNN_bed): Add ELF_TARGET_OS.
	* elfxx-x86.c (elf_x86_allocate_dynrelocs): Updated.
	(_bfd_x86_elf_link_hash_table_create): Likewise.
	(_bfd_x86_elf_size_dynamic_sections): Likewise.
	(_bfd_x86_elf_finish_dynamic_sections): Likewise.
	(_bfd_x86_elf_adjust_dynamic_symbol): Likewise.
	(_bfd_x86_elf_link_setup_gnu_properties): Likewise.
	* elfxx-x86.h (elf_x86_target_os): Removed.
	(elf_x86_backend_data): Likewise.
	(get_elf_x86_backend_data): Likewise.
	(elf_x86_link_hash_table): Remove target_os.

1 files changed, 17 insertions, 38 deletions

diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c
index f6f6699..6f4f7f4 100644
--- a/bfd/elf32-i386.c
+++ b/bfd/elf32-i386.c
@@ -843,14 +843,6 @@ static const struct elf_x86_non_lazy_plt_layout elf_i386_non_lazy_ibt_plt =
 #define PLTRESOLVE_RELOCS 2
 #define PLT_NON_JUMP_SLOT_RELOCS 2
 
-/* These are the standard parameters.  */
-static const struct elf_x86_backend_data elf_i386_arch_bed =
-  {
-    is_normal				/* os */
-  };
-
-#define	elf_backend_arch_data	&elf_i386_arch_bed
-
 /* Return TRUE if the TLS access code sequence support transition
    from R_TYPE.  */
 
@@ -2043,7 +2035,7 @@ elf_i386_relocate_section (bfd *output_bfd,
   local_tlsdesc_gotents = elf_x86_local_tlsdesc_gotent (input_bfd);
   /* We have to handle relocations in vxworks .tls_vars sections
      specially, because the dynamic loader is 'weird'.  */
-  is_vxworks_tls = (htab->target_os == is_vxworks
+  is_vxworks_tls = (htab->elf.target_os == is_vxworks
 		    && bfd_link_pic (info)
 		    && !strcmp (input_section->output_section->name,
 				".tls_vars"));
@@ -3597,7 +3589,7 @@ elf_i386_finish_dynamic_symbol (bfd *output_bfd,
 		      resolved_plt->contents + plt_offset
 		      + htab->plt.plt_got_offset);
 
-	  if (htab->target_os == is_vxworks)
+	  if (htab->elf.target_os == is_vxworks)
 	    {
 	      int s, k, reloc_index;
 
@@ -4015,7 +4007,7 @@ elf_i386_finish_dynamic_sections (bfd *output_bfd,
 			  htab->elf.splt->contents
 			  + htab->lazy_plt->plt0_got2_offset);
 
-	      if (htab->target_os == is_vxworks)
+	      if (htab->elf.target_os == is_vxworks)
 		{
 		  Elf_Internal_Rela rel;
 		  int num_plts = (htab->elf.splt->size
@@ -4156,7 +4148,7 @@ elf_i386_get_synthetic_symtab (bfd *abfd,
   lazy_plt = NULL;
   non_lazy_ibt_plt = NULL;
   lazy_ibt_plt = NULL;
-  switch (get_elf_x86_backend_data (abfd)->target_os)
+  switch (get_elf_backend_data (abfd)->target_os)
     {
     case is_normal:
     case is_solaris:
@@ -4170,6 +4162,8 @@ elf_i386_get_synthetic_symtab (bfd *abfd,
     case is_nacl:
       lazy_plt = &elf_i386_nacl_plt;
       break;
+    default:
+      abort ();
     }
 
   got_addr = 0;
@@ -4316,7 +4310,7 @@ elf_i386_link_setup_gnu_properties (struct bfd_link_info *info)
 {
   struct elf_x86_init_table init_table;
 
-  switch (get_elf_x86_backend_data (info->output_bfd)->target_os)
+  switch (get_elf_backend_data (info->output_bfd)->target_os)
     {
     case is_normal:
     case is_solaris:
@@ -4340,6 +4334,8 @@ elf_i386_link_setup_gnu_properties (struct bfd_link_info *info)
       init_table.lazy_ibt_plt = NULL;
       init_table.non_lazy_ibt_plt = NULL;
       break;
+    default:
+      abort ();
     }
 
   init_table.r_info = elf32_r_info;
@@ -4443,13 +4439,8 @@ elf_i386_fbsd_init_file_header (bfd *abfd, struct bfd_link_info *info)
 #undef	TARGET_LITTLE_NAME
 #define	TARGET_LITTLE_NAME		"elf32-i386-sol2"
 
-static const struct elf_x86_backend_data elf_i386_solaris_arch_bed =
-  {
-    is_solaris				/* os */
-  };
-
-#undef	elf_backend_arch_data
-#define	elf_backend_arch_data		&elf_i386_solaris_arch_bed
+#undef	ELF_TARGET_OS
+#define	ELF_TARGET_OS			is_solaris
 
 /* Restore default: we cannot use ELFOSABI_SOLARIS, otherwise ELFOSABI_NONE
    objects won't be recognized.  */
@@ -4575,9 +4566,7 @@ elf32_iamcu_elf_object_p (bfd *abfd)
 #undef	ELF_MACHINE_CODE
 #define	ELF_MACHINE_CODE		EM_IAMCU
 
-#undef	elf_backend_arch_data
-#define	elf_backend_arch_data		&elf_i386_arch_bed
-
+#undef	ELF_TARGET_OS
 #undef	ELF_OSABI
 
 #undef  elf32_bed
@@ -4704,7 +4693,7 @@ static const bfd_byte elf_i386_nacl_eh_frame_plt[] =
      || PLT_FDE_LENGTH != 36				\
      || PLT_FDE_START_OFFSET != 4 + PLT_CIE_LENGTH + 8	\
      || PLT_FDE_LEN_OFFSET != 4 + PLT_CIE_LENGTH + 12)
-# error "Need elf_x86_backend_data parameters for eh_frame_plt offsets!"
+# error "Need PLT_CIE_LENGTH parameters for eh_frame_plt offsets!"
 #endif
     PLT_CIE_LENGTH, 0, 0, 0,		/* CIE length */
     0, 0, 0, 0,				/* CIE ID */
@@ -4764,11 +4753,6 @@ static const struct elf_x86_lazy_plt_layout elf_i386_nacl_plt =
     sizeof (elf_i386_nacl_eh_frame_plt) /* eh_frame_plt_size */
   };
 
-static const struct elf_x86_backend_data elf_i386_nacl_arch_bed =
-  {
-    is_nacl				/* os */
-  };
-
 static bfd_boolean
 elf32_i386_nacl_elf_object_p (bfd *abfd)
 {
@@ -4777,8 +4761,8 @@ elf32_i386_nacl_elf_object_p (bfd *abfd)
   return TRUE;
 }
 
-#undef	elf_backend_arch_data
-#define elf_backend_arch_data	&elf_i386_nacl_arch_bed
+#undef	ELF_TARGET_OS
+#define ELF_TARGET_OS		is_nacl
 
 #undef	elf_backend_object_p
 #define elf_backend_object_p			elf32_i386_nacl_elf_object_p
@@ -4809,13 +4793,8 @@ elf32_i386_nacl_elf_object_p (bfd *abfd)
 #undef	elf_backend_plt_alignment
 #define elf_backend_plt_alignment	4
 
-static const struct elf_x86_backend_data elf_i386_vxworks_arch_bed =
-  {
-    is_vxworks				/* os */
-  };
-
-#undef	elf_backend_arch_data
-#define	elf_backend_arch_data	&elf_i386_vxworks_arch_bed
+#undef	ELF_TARGET_OS
+#define ELF_TARGET_OS		is_vxworks
 
 #undef elf_backend_relocs_compatible
 #undef elf_backend_add_symbol_hook