bfd/

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

diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 5e5068379afe94a62413d8f4fcb720c53084f00d..336b94fc8fe481cfde1b95a271959332be717a6d 100644 (file)
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -579,11 +579,16 @@ struct elf_backend_data
   bfd_boolean (*elf_backend_symbol_table_processing)
     (bfd *, elf_symbol_type *, unsigned int);
 
-   /* A function to set the type of the info field.  Processor-specific
+  /* A function to set the type of the info field.  Processor-specific
      types should be handled here.  */
   int (*elf_backend_get_symbol_type)
     (Elf_Internal_Sym *, int);
 
+  /* A function to return the linker hash table entry of a symbol that
+     might be satisfied by an archive symbol.  */
+  struct elf_link_hash_entry * (*elf_backend_archive_symbol_lookup)
+    (bfd *, struct bfd_link_info *, const char *);
+
   /* Return true if local section symbols should have a non-null st_name.
      NULL implies false.  */
   bfd_boolean (*elf_backend_name_local_section_symbols)
@@ -925,6 +930,9 @@ struct elf_backend_data
      see elf.c.  */
   bfd_vma (*plt_sym_val) (bfd_vma, const asection *, const arelent *);
 
+  /* Used to handle bad SHF_LINK_ORDER input.  */
+  bfd_error_handler_type link_order_error_handler;
+
   /* Name of the PLT relocation section.  */
   const char *relplt_name;
 
@@ -1038,6 +1046,9 @@ struct bfd_elf_section_data
      no dynamic symbol for this section.  */
   int dynindx;
 
+  /* A pointer to the linked-to section for SHF_LINK_ORDER.  */
+  asection *linked_to;
+
   /* Used by the backend linker to store the symbol hash table entries
      associated with relocs against global symbols.  */
   struct elf_link_hash_entry **rel_hashes;
@@ -1062,6 +1073,10 @@ struct bfd_elf_section_data
     struct bfd_symbol *id;
   } group;
 
+  /* Optional information about section group; NULL if it doesn't
+     belongs to any section group. */
+  asection *sec_group;
+
   /* A linked list of sections in the group.  Circular when used by
      the linker.  */
   asection *next_in_group;
@@ -1071,11 +1086,13 @@ struct bfd_elf_section_data
 };
 
 #define elf_section_data(sec)  ((struct bfd_elf_section_data*)sec->used_by_bfd)
+#define elf_linked_to_section(sec) (elf_section_data(sec)->linked_to)
 #define elf_section_type(sec)  (elf_section_data(sec)->this_hdr.sh_type)
 #define elf_section_flags(sec) (elf_section_data(sec)->this_hdr.sh_flags)
 #define elf_group_name(sec)    (elf_section_data(sec)->group.name)
 #define elf_group_id(sec)      (elf_section_data(sec)->group.id)
 #define elf_next_in_group(sec) (elf_section_data(sec)->next_in_group)
+#define elf_sec_group(sec)     (elf_section_data(sec)->sec_group)
 
 /* Return TRUE if section has been discarded.  */
 #define elf_discarded_section(sec)                             \
@@ -1579,6 +1596,12 @@ extern bfd_boolean _bfd_elf_dynamic_symbol_p
 extern bfd_boolean _bfd_elf_symbol_refs_local_p
   (struct elf_link_hash_entry *, struct bfd_link_info *, bfd_boolean);
 
+extern bfd_boolean bfd_elf_match_symbols_in_sections
+  (asection *sec1, asection *sec2);
+
+extern bfd_boolean _bfd_elf_setup_group_pointers
+  (bfd *);
+
 extern const bfd_target *bfd_elf32_object_p
   (bfd *);
 extern const bfd_target *bfd_elf32_core_file_p
@@ -1663,6 +1686,8 @@ extern void bfd_elf64_write_relocs
 extern bfd_boolean bfd_elf64_slurp_reloc_table
   (bfd *, asection *, asymbol **, bfd_boolean);
 
+extern struct elf_link_hash_entry *_bfd_elf_archive_symbol_lookup
+  (bfd *, struct bfd_link_info *, const char *);
 extern bfd_boolean bfd_elf_link_add_symbols
   (bfd *, struct bfd_link_info *);
 extern bfd_boolean _bfd_elf_add_dynamic_entry
@@ -1692,6 +1717,11 @@ extern bfd_boolean bfd_elf_gc_record_vtinherit
 extern bfd_boolean bfd_elf_gc_record_vtentry
   (bfd *, asection *, struct elf_link_hash_entry *, bfd_vma);
 
+extern bfd_boolean _bfd_elf_gc_mark
+  (struct bfd_link_info *, asection *,
+   asection * (*) (asection *, struct bfd_link_info *, Elf_Internal_Rela *,
+                  struct elf_link_hash_entry *, Elf_Internal_Sym *));
+
 extern bfd_boolean bfd_elf_gc_common_finalize_got_offsets
   (bfd *, struct bfd_link_info *);