PR 6844

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

diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 269b1150f1a1a780bac3b7a95653516836f14be0..993458eb530216e4b8a1627beefaedaed429078d 100644 (file)
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -24,8 +24,8 @@
 #define _LIBELF_H_ 1
 
 #include "elf/common.h"
-#include "elf/internal.h"
 #include "elf/external.h"
+#include "elf/internal.h"
 #include "bfdlink.h"
 
 /* The number of entries in a section is its size divided by the size
@@ -993,6 +993,11 @@ struct elf_backend_data
     (struct elf_link_hash_entry *, const Elf_Internal_Sym *, bfd_boolean,
      bfd_boolean);
 
+  /* This function, if defined, will return a string containing the
+     name of a target-specific dynamic tag.  */
+  char *(*elf_backend_get_target_dtag)
+    (bfd_vma);
+
   /* Decide whether an undefined symbol is special and can be ignored.
      This is the case for OPTIONAL symbols on IRIX.  */
   bfd_boolean (*elf_backend_ignore_undef_symbol)
@@ -1184,6 +1189,9 @@ struct elf_backend_data
      section.  */
   unsigned default_use_rela_p : 1;
 
+  /* True if PLT and copy relocations should be RELA by default.  */
+  unsigned rela_plts_and_copies_p : 1;
+
   /* Set if RELA relocations for a relocatable link can be handled by
      generic code.  Backends that set this flag need do nothing in the
      backend relocate_section routine for relocatable linking.  */
@@ -1393,6 +1401,27 @@ enum
   Tag_compatibility = 32
 };
 
+/* Enum used to identify target specific extensions to the elf_obj_tdata
+   structure.  Note the enums deliberately start from 1 so that we can
+   detect an uninitialized field.  The generic value is last so that
+   additions to this enum do not need to modify more than one line.  */
+enum elf_object_id
+{
+  ALPHA_ELF_TDATA = 1,
+  ARM_ELF_TDATA,
+  HPPA_ELF_TDATA,
+  I386_ELF_TDATA,
+  MIPS_ELF_TDATA,
+  PPC32_ELF_TDATA,
+  PPC64_ELF_TDATA,
+  S390_ELF_TDATA,
+  SH_ELF_TDATA,
+  SPARC_ELF_TDATA,
+  X86_64_ELF_TDATA,
+  XTENSA_ELF_TDATA,
+  GENERIC_ELF_TDATA
+};
+
 /* Some private data is stashed away for future use using the tdata pointer
    in the bfd structure.  */
 
@@ -1545,15 +1574,23 @@ struct elf_obj_tdata
   /* NT_GNU_BUILD_ID note type.  */
   bfd_size_type build_id_size;
   bfd_byte *build_id;
+
+  /* An identifier used to distinguish different target
+     specific extensions to this structure.  */
+  enum elf_object_id object_id;
 };
 
 #define elf_tdata(bfd)         ((bfd) -> tdata.elf_obj_data)
+
+#define elf_object_id(bfd)     (elf_tdata(bfd) -> object_id)
+#define elf_program_header_size(bfd) (elf_tdata(bfd) -> program_header_size)
 #define elf_elfheader(bfd)     (elf_tdata(bfd) -> elf_header)
 #define elf_elfsections(bfd)   (elf_tdata(bfd) -> elf_sect_ptr)
 #define elf_numsections(bfd)   (elf_tdata(bfd) -> num_elf_sections)
 #define elf_shstrtab(bfd)      (elf_tdata(bfd) -> strtab_ptr)
 #define elf_onesymtab(bfd)     (elf_tdata(bfd) -> symtab_section)
 #define elf_symtab_shndx(bfd)  (elf_tdata(bfd) -> symtab_shndx_section)
+#define elf_symtab_hdr(bfd)    (elf_tdata(bfd) -> symtab_hdr)
 #define elf_dynsymtab(bfd)     (elf_tdata(bfd) -> dynsymtab_section)
 #define elf_dynversym(bfd)     (elf_tdata(bfd) -> dynversym_section)
 #define elf_dynverdef(bfd)     (elf_tdata(bfd) -> dynverdef_section)
@@ -1604,7 +1641,7 @@ extern void _bfd_elf_swap_versym_in
 extern void _bfd_elf_swap_versym_out
   (bfd *, const Elf_Internal_Versym *, Elf_External_Versym *);
 
-extern int _bfd_elf_section_from_bfd_section
+extern unsigned int _bfd_elf_section_from_bfd_section
   (bfd *, asection *);
 extern char *bfd_elf_string_from_elf_section
   (bfd *, unsigned, unsigned);
@@ -1647,7 +1684,9 @@ extern unsigned long bfd_elf_gnu_hash
 
 extern bfd_reloc_status_type bfd_elf_generic_reloc
   (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
-extern bfd_boolean bfd_elf_mkobject
+extern bfd_boolean bfd_elf_allocate_object
+  (bfd *, size_t, enum elf_object_id);
+extern bfd_boolean bfd_elf_make_generic_object
   (bfd *);
 extern bfd_boolean bfd_elf_mkcorefile
   (bfd *);
@@ -2107,8 +2146,12 @@ extern char *elfcore_write_prxfpreg
   (bfd *, char *, int *, const void *, int);
 extern char *elfcore_write_ppc_vmx
   (bfd *, char *, int *, const void *, int);
+extern char *elfcore_write_ppc_vsx
+  (bfd *, char *, int *, const void *, int);
 extern char *elfcore_write_lwpstatus
   (bfd *, char *, int *, long, int, const void *);
+extern char *elfcore_write_register_note
+  (bfd *, char *, int *, const char *, const void *, int);
 
 extern bfd *_bfd_elf32_bfd_from_remote_memory
   (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,