* elf-bfd.h (elf_backend_data): Remove use_rela_p. Add

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

diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 3eb856193117ec2979d661a440c4f95120026ab8..0f16456124c6c4f3ce7f8800f1dd553d9806445a 100644 (file)
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -133,9 +133,11 @@ struct elf_link_hash_entry
     struct bfd_elf_version_tree *vertree;
   } verinfo;
 
-  /* Virtual table entry use information.  This array is of size
-     size/sizeof(target_void_pointer), and indexed via
-     offset/sizeof(void*) as well.  */
+  /* Virtual table entry use information.  This array is nominally of size
+     size/sizeof(target_void_pointer), though we have to be able to assume
+     and track a size while the symbol is still undefined.  It is indexed
+     via offset/sizeof(target_void_pointer).  */
+  size_t vtable_entries_size;
   boolean *vtable_entries_used;
 
   /* Virtual table derivation info.  */
@@ -160,20 +162,22 @@ struct elf_link_hash_entry
 #define ELF_LINK_HASH_REF_DYNAMIC 04
   /* Symbol is defined by a shared object.  */
 #define ELF_LINK_HASH_DEF_DYNAMIC 010
+  /* Symbol has a non-weak reference from a non-shared object.  */
+#define ELF_LINK_HASH_REF_REGULAR_NONWEAK 020
   /* Dynamic symbol has been adjustd.  */
-#define ELF_LINK_HASH_DYNAMIC_ADJUSTED 020
+#define ELF_LINK_HASH_DYNAMIC_ADJUSTED 040
   /* Symbol needs a copy reloc.  */
-#define ELF_LINK_HASH_NEEDS_COPY 040
+#define ELF_LINK_HASH_NEEDS_COPY 0100
   /* Symbol needs a procedure linkage table entry.  */
-#define ELF_LINK_HASH_NEEDS_PLT 0100
+#define ELF_LINK_HASH_NEEDS_PLT 0200
   /* Symbol appears in a non-ELF input file.  */
-#define ELF_LINK_NON_ELF 0200
+#define ELF_LINK_NON_ELF 0400
   /* Symbol should be marked as hidden in the version information.  */
-#define ELF_LINK_HIDDEN 0400
+#define ELF_LINK_HIDDEN 01000
   /* Symbol was forced to local scope due to a version script file.  */
-#define ELF_LINK_FORCED_LOCAL 01000
+#define ELF_LINK_FORCED_LOCAL 02000
   /* Symbol was marked during garbage collection.  */
-#define ELF_LINK_HASH_MARK 02000
+#define ELF_LINK_HASH_MARK 04000
 };
 
 /* ELF linker hash table.  */
@@ -251,11 +255,6 @@ struct elf_size_info {
 
 struct elf_backend_data
 {
-  /* Whether the backend uses REL or RELA relocations.  FIXME: some
-     ELF backends use both.  When we need to support one, this whole
-     approach will need to be changed.  */
-  int use_rela_p;
-
   /* The architecture for this backend.  */
   enum bfd_architecture arch;
 
@@ -511,6 +510,12 @@ struct elf_backend_data
     PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *o,
             const Elf_Internal_Rela *relocs));
 
+  /* This function, if defined, is called after the ELF headers have
+     been created.  This allows for things like the OS and ABI versions
+     to be changed.  */
+  void (*elf_backend_post_process_headers)
+    PARAMS ((bfd *, struct bfd_link_info *));
+
   /* The swapping table to use when dealing with ECOFF information.
      Used for the MIPS ELF .mdebug section.  */
   const struct ecoff_debug_swap *elf_backend_ecoff_debug_swap;
@@ -530,6 +535,23 @@ struct elf_backend_data
   bfd_vma got_header_size;
   bfd_vma plt_header_size;
 
+  /* Whether the backend may use REL relocations.  (Some backends use
+     both REL and RELA relocations, and this flag is set for those
+     backends.)  */
+  unsigned may_use_rel_p : 1;
+    
+  /* Whether the backend may use RELA relocations.  (Some backends use
+     both REL and RELA relocations, and this flag is set for those
+     backends.)  */
+  unsigned may_use_rela_p : 1;
+
+  /* Whether the default relocation type is RELA.  If a backend with
+     this flag set wants REL relocations for a particular section,
+     it must note that explicitly.  Similarly, if this flag is clear,
+     and the backend wants RELA relocations for a particular 
+     section.  */   
+  unsigned default_use_rela_p : 1;
+
   unsigned want_got_plt : 1;
   unsigned plt_readonly : 1;
   unsigned want_plt_sym : 1;
@@ -572,6 +594,8 @@ struct bfd_elf_section_data
   PTR stab_info;
   /* A pointer available for the processor specific ELF backend.  */
   PTR tdata;
+  /* Nonzero if this section uses RELA relocations, rather than REL.  */
+  unsigned int use_rela_p:1;
 };
 
 #define elf_section_data(sec)  ((struct bfd_elf_section_data*)sec->used_by_bfd)
@@ -953,6 +977,9 @@ boolean _bfd_elf_make_linker_section_rela
           elf_linker_section_t *lsect,
           int alignment));
 
+boolean _bfd_elfcore_section_from_phdr
+  PARAMS ((bfd *, Elf_Internal_Phdr *, int));
+
 extern const bfd_target *bfd_elf32_object_p PARAMS ((bfd *));
 extern const bfd_target *bfd_elf32_core_file_p PARAMS ((bfd *));
 extern char *bfd_elf32_core_file_failing_command PARAMS ((bfd *));