Disallow copy relocation against protected data symbol

[deliverable/binutils-gdb.git] / bfd / elf-bfd.h

diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index b889720e1f2e32c25f2000df031b1db0d07befe2..79b9dbc1807b79e1f4fccfa8b77be78b1bdbdc0d 100644 (file)
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -1887,21 +1887,27 @@ struct elf_obj_tdata
 
   /* An identifier used to distinguish different target
      specific extensions to this structure.  */
-  enum elf_target_id object_id;
+  ENUM_BITFIELD (elf_target_id) object_id : 6;
 
   /* Whether a dyanmic object was specified normally on the linker
      command line, or was specified when --as-needed was in effect,
      or was found via a DT_NEEDED entry.  */
-  enum dynamic_lib_link_class dyn_lib_class;
+  ENUM_BITFIELD (dynamic_lib_link_class) dyn_lib_class : 4;
+
+  /* Whether if the bfd contains symbols that have the STT_GNU_IFUNC
+     symbol type or STB_GNU_UNIQUE binding.  */
+  ENUM_BITFIELD (elf_gnu_symbols) has_gnu_symbols : 3;
+
+  /* Whether if the bfd contains the GNU_PROPERTY_NO_COPY_ON_PROTECTED
+     property.  */
+  unsigned int has_no_copy_on_protected : 1;
 
   /* Irix 5 often screws up the symbol table, sorting local symbols
      after global symbols.  This flag is set if the symbol table in
      this BFD appears to be screwed up.  If it is, we ignore the
      sh_info field in the symbol table header, and always read all the
      symbols.  */
-  bfd_boolean bad_symtab;
-
-  enum elf_gnu_symbols has_gnu_symbols;
+  unsigned int bad_symtab : 1;
 
   /* Information grabbed from an elf core file.  */
   struct core_elf_obj_tdata *core;
@@ -1956,6 +1962,8 @@ struct elf_obj_tdata
 #define elf_other_obj_attributes_proc(bfd) \
   (elf_other_obj_attributes (bfd) [OBJ_ATTR_PROC])
 #define elf_properties(bfd) (elf_tdata (bfd) -> properties)
+#define elf_has_no_copy_on_protected(bfd) \
+  (elf_tdata(bfd) -> has_no_copy_on_protected)
 \f
 extern void _bfd_elf_swap_verdef_in
   (bfd *, const Elf_External_Verdef *, Elf_Internal_Verdef *);
@@ -2533,6 +2541,10 @@ extern char *elfcore_write_s390_vxrs_low
   (bfd *, char *, int *, const void *, int);
 extern char *elfcore_write_s390_vxrs_high
   (bfd *, char *, int *, const void *, int);
+extern char *elfcore_write_s390_gs_cb
+  (bfd *, char *, int *, const void *, int);
+extern char *elfcore_write_s390_gs_bc
+  (bfd *, char *, int *, const void *, int);
 extern char *elfcore_write_arm_vfp
   (bfd *, char *, int *, const void *, int);
 extern char *elfcore_write_aarch_tls
@@ -2798,7 +2810,9 @@ extern asection _bfd_elf_large_com_section;
    library, if any.  A unique symbol can never be bound locally.  */
 #define SYMBOLIC_BIND(INFO, H) \
     (!(H)->unique_global \
-     && ((INFO)->symbolic || ((INFO)->dynamic && !(H)->dynamic)))
+     && ((INFO)->symbolic \
+        || (H)->start_stop \
+        || ((INFO)->dynamic && !(H)->dynamic)))
 
 #ifdef __cplusplus
 }