add more extern C

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

diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 7447629b0e76f1262d50c2d8d1deb749f526aa6f..3184e573224060a45b04d39bca6b16275dce6dd5 100644 (file)
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -124,7 +124,8 @@ struct elf_link_hash_entry
   struct bfd_link_hash_entry root;
 
   /* Symbol index in output file.  This is initialized to -1.  It is
-     set to -2 if the symbol is used by a reloc.  */
+     set to -2 if the symbol is used by a reloc.  It is set to -3 if
+     this symbol is defined in a discarded section.  */
   long indx;
 
   /* Symbol index as a dynamic symbol.  Initialized to -1, and remains
@@ -702,9 +703,9 @@ struct elf_size_info {
 enum elf_reloc_type_class {
   reloc_class_normal,
   reloc_class_relative,
-  reloc_class_plt,
   reloc_class_copy,
-  reloc_class_ifunc
+  reloc_class_ifunc,
+  reloc_class_plt
 };
 
 struct elf_reloc_cookie
@@ -1300,13 +1301,15 @@ struct elf_backend_data
   /* Return the section which RELOC_SEC applies to.  */
   asection *(*get_reloc_section) (asection *reloc_sec);
 
-  /* Called when setting the sh_link and sh_info fields of a section with a
-     type >= SHT_LOOS.  Returns TRUE if these fields were initialised in
-     OHEADER, FALSE otherwise.  IHEADER is the best guess matching section
-     from the input bfd IBFD.  */
-  bfd_boolean (*elf_backend_set_special_section_info_and_link)
-    (const bfd *ibfd, bfd *obfd, const Elf_Internal_Shdr *iheader,
-     Elf_Internal_Shdr *oheader);
+  /* Called to set the sh_flags, sh_link and sh_info fields of OSECTION which
+     has a type >= SHT_LOOS.  Returns TRUE if the fields were initialised,
+     FALSE otherwise.  Can be called multiple times for a given section,
+     until it returns TRUE.  Most of the times it is called ISECTION will be
+     set to an input section that might be associated with the output section.
+     The last time that it is called, ISECTION will be set to NULL.  */
+  bfd_boolean (*elf_backend_copy_special_section_fields)
+    (const bfd *ibfd, bfd *obfd, const Elf_Internal_Shdr *isection,
+     Elf_Internal_Shdr *osection);
                
   /* Used to handle bad SHF_LINK_ORDER input.  */
   bfd_error_handler_type link_order_error_handler;
@@ -2336,6 +2339,9 @@ extern bfd_boolean bfd_elf_gc_common_finalize_got_offsets
 extern bfd_boolean bfd_elf_gc_common_final_link
   (bfd *, struct bfd_link_info *);
 
+extern asection *_bfd_elf_is_start_stop
+  (const struct bfd_link_info *, struct elf_link_hash_entry *);
+
 extern bfd_boolean bfd_elf_reloc_symbol_deleted_p
   (bfd_vma, void *);
 
@@ -2588,12 +2594,11 @@ extern asection _bfd_elf_large_com_section;
          bfd_boolean err;                                              \
          err = (info->unresolved_syms_in_objects == RM_GENERATE_ERROR  \
                 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT);       \
-         if (!info->callbacks->undefined_symbol (info,                 \
-                                                 h->root.root.string,  \
-                                                 input_bfd,            \
-                                                 input_section,        \
-                                                 rel->r_offset, err))  \
-           return FALSE;                                               \
+         (*info->callbacks->undefined_symbol) (info,                   \
+                                               h->root.root.string,    \
+                                               input_bfd,              \
+                                               input_section,          \
+                                               rel->r_offset, err);    \
          warned = TRUE;                                                \
        }                                                               \
       (void) unresolved_reloc;                                         \