Revert "Add extern_protected_data and set it for x86"

This reverts commit ca3fe95e469b9daec153caa2c90665f5daaec2b5.

6 files changed, 18 insertions, 17 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 95cf8d7..f1d9343 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,17 @@
+2015-04-10  Alan Modra  <amodra@gmail.com>
+
+	Revert 2015-03-05  H.J. Lu  <hongjiu.lu@intel.com>
+	PR ld/pr15228
+	PR ld/pr17709
+	* elf-bfd.h (elf_backend_data): Delete extern_protected_data.
+	* elf32-i386.c (elf_backend_extern_protected_data): Delete.
+	* elf64-x86-64.c (elf_backend_extern_protected_data): Likewise.
+	* elflink.c (_bfd_elf_adjust_dynamic_copy): Remove
+	extern_protected_data test.
+	(_bfd_elf_symbol_refs_local_p): Likewise.
+	* elfxx-target.h (elf_backend_extern_protected_data): Delete.
+	(elfNN_bed): Delete elf_backend_extern_protected_data init.
+
 2015-04-09  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* compress.c (bfd_compress_section_contents): Update comments.
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index e435e52..8def41b 100644
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -1363,10 +1363,6 @@ struct elf_backend_data
      in length rather than sec->size in length, if sec->rawsize is
      non-zero and smaller than sec->size.  */
   unsigned caches_rawsize : 1;
-
-  /* Address of protected data defined in the shared library may be
-     external, i.e., due to copy relocation.   */
-  unsigned extern_protected_data : 1;
 };
 
 /* Information about reloc sections associated with a bfd_elf_section_data
diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c
index 52f4d33..3f16fc1 100644
--- a/bfd/elf32-i386.c
+++ b/bfd/elf32-i386.c
@@ -5292,7 +5292,6 @@ elf_i386_add_symbol_hook (bfd * abfd,
 #define elf_backend_want_plt_sym	0
 #define elf_backend_got_header_size	12
 #define elf_backend_plt_alignment	4
-#define elf_backend_extern_protected_data 1
 
 /* Support RELA for objdump of prelink objects.  */
 #define elf_info_to_howto		      elf_i386_info_to_howto_rel
diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c
index ab72306..6eb8471 100644
--- a/bfd/elf64-x86-64.c
+++ b/bfd/elf64-x86-64.c
@@ -5868,7 +5868,6 @@ static const struct bfd_elf_special_section
 #define elf_backend_got_header_size	    (GOT_ENTRY_SIZE*3)
 #define elf_backend_rela_normal		    1
 #define elf_backend_plt_alignment           4
-#define elf_backend_extern_protected_data   1
 
 #define elf_info_to_howto		    elf_x86_64_info_to_howto
 
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 022a535..183b313 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -2673,9 +2673,7 @@ _bfd_elf_adjust_dynamic_copy (struct bfd_link_info *info,
   /* Increment the size of DYNBSS to make room for the symbol.  */
   dynbss->size += h->size;
 
-  /* No error if extern_protected_data is true.  */
-  if (h->protected_def
-      && !get_elf_backend_data (dynbss->owner)->extern_protected_data)
+  if (h->protected_def)
     {
       info->callbacks->einfo
 	(_("%P: copy reloc against protected `%T' is invalid\n"),
@@ -2839,9 +2837,8 @@ _bfd_elf_symbol_refs_local_p (struct elf_link_hash_entry *h,
 
   bed = get_elf_backend_data (hash_table->dynobj);
 
-  /* If extern_protected_data is false, STV_PROTECTED non-function
-     symbols are local.  */
-  if (!bed->extern_protected_data && !bed->is_function_type (h->type))
+  /* STV_PROTECTED non-function symbols are local.  */
+  if (!bed->is_function_type (h->type))
     return TRUE;
 
   /* Function pointer equality tests may require that STV_PROTECTED
diff --git a/bfd/elfxx-target.h b/bfd/elfxx-target.h
index 0085d6c..9bfb6c8 100644
--- a/bfd/elfxx-target.h
+++ b/bfd/elfxx-target.h
@@ -117,9 +117,6 @@
 #ifndef elf_backend_caches_rawsize
 #define elf_backend_caches_rawsize 0
 #endif
-#ifndef elf_backend_extern_protected_data
-#define elf_backend_extern_protected_data 0
-#endif
 #ifndef elf_backend_stack_align
 #define elf_backend_stack_align 16
 #endif
@@ -809,8 +806,7 @@ static struct elf_backend_data elfNN_bed =
   elf_backend_want_dynbss,
   elf_backend_want_p_paddr_set_to_zero,
   elf_backend_default_execstack,
-  elf_backend_caches_rawsize,
-  elf_backend_extern_protected_data
+  elf_backend_caches_rawsize
 };
 
 /* Forward declaration for use when initialising alternative_target field.  */