Touches most files in bfd/, so likely will be blamed for everything..
[deliverable/binutils-gdb.git] / bfd / elfxx-target.h
index eed0da661d46c4632da86cda1740382749cbcca3..15d60524c7757336535959c5df1f1749b2d7b3e0 100644 (file)
@@ -1,5 +1,6 @@
 /* Target definitions for NN-bit ELF
-   Copyright 1993, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
+   Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
+   Free Software Foundation, Inc.
 
 This file is part of BFD, the Binary File Descriptor library.
 
@@ -25,7 +26,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
    There are two such structures here:  one for big-endian machines and
    one for little-endian machines.   */
 
-#define        bfd_elfNN_close_and_cleanup _bfd_generic_close_and_cleanup
+#define        bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup
 #define bfd_elfNN_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
 #ifndef bfd_elfNN_get_section_contents
 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
@@ -57,10 +58,14 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #endif
 #define bfd_elfNN_sizeof_headers       _bfd_elf_sizeof_headers
 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
+#define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
 
 #define bfd_elfNN_get_section_contents_in_window \
   _bfd_generic_get_section_contents_in_window
 
+#ifndef elf_backend_got_symbol_offset
+#define elf_backend_got_symbol_offset (bfd_vma) 0
+#endif
 #ifndef elf_backend_want_got_plt
 #define elf_backend_want_got_plt 0
 #endif
@@ -70,10 +75,20 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #ifndef elf_backend_want_plt_sym
 #define elf_backend_want_plt_sym 0
 #endif
+#ifndef elf_backend_plt_not_loaded
+#define elf_backend_plt_not_loaded 0
+#endif
+#ifndef elf_backend_plt_alignment
+#define elf_backend_plt_alignment 2
+#endif
+#ifndef elf_backend_want_dynbss
+#define elf_backend_want_dynbss 1
+#endif
 
 #define bfd_elfNN_bfd_debug_info_start bfd_void
 #define bfd_elfNN_bfd_debug_info_end   bfd_void
-#define bfd_elfNN_bfd_debug_info_accumulate    (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
+#define bfd_elfNN_bfd_debug_info_accumulate \
+  (void (*) PARAMS ((bfd*, struct sec *))) bfd_void
 
 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
 #define bfd_elfNN_bfd_get_relocated_section_contents \
@@ -84,8 +99,31 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
 #endif
 
+#ifndef elf_backend_can_gc_sections
+#define elf_backend_can_gc_sections 0
+#endif
+#ifndef elf_backend_want_got_sym
+#define elf_backend_want_got_sym 1
+#endif
+#ifndef elf_backend_gc_mark_hook
+#define elf_backend_gc_mark_hook       NULL
+#endif
+#ifndef elf_backend_gc_sweep_hook
+#define elf_backend_gc_sweep_hook      NULL
+#endif
+#ifndef bfd_elfNN_bfd_gc_sections
+#define bfd_elfNN_bfd_gc_sections _bfd_elfNN_gc_sections
+#endif
+
+#ifndef bfd_elfNN_bfd_merge_sections
+#define bfd_elfNN_bfd_merge_sections \
+  _bfd_elf_merge_sections
+#endif
+
+#ifndef bfd_elfNN_bfd_make_debug_symbol
 #define bfd_elfNN_bfd_make_debug_symbol \
   ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
+#endif
 
 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
 #define bfd_elfNN_bfd_copy_private_symbol_data \
@@ -113,7 +151,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
   ((boolean (*) PARAMS ((bfd *, flagword))) bfd_true)
 #endif
 #ifndef bfd_elfNN_bfd_is_local_label_name
-#define bfd_elfNN_bfd_is_local_label_name bfd_generic_is_local_label_name
+#define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
 #endif
 
 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
@@ -130,7 +168,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
 #endif
 #else /* ! defined (elf_backend_relocate_section) */
-/* If no backend relocate_section routine, use the generic linker.  */
+/* If no backend relocate_section routine, use the generic linker.
+   Note - this will prevent the port from being able to use some of
+   the other features of the ELF linker, because the generic hash structure
+   does not have the fields needed by the ELF linker.  In particular it
+   means that linking directly to S-records will not work.  */
 #ifndef bfd_elfNN_bfd_link_hash_table_create
 #define bfd_elfNN_bfd_link_hash_table_create \
   _bfd_generic_link_hash_table_create
@@ -158,6 +200,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #define bfd_elfNN_mkobject bfd_elf_mkobject
 #endif
 
+#ifndef bfd_elfNN_mkcorefile
+#define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
+#endif
+
 #ifndef bfd_elfNN_mkarchive
 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
 #endif
@@ -175,6 +221,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #endif
 
 #ifndef ELF_MAXPAGESIZE
+  #error ELF_MAXPAGESIZE is not defined
 #define ELF_MAXPAGESIZE 1
 #endif
 
@@ -197,12 +244,21 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #ifndef elf_backend_symbol_table_processing
 #define elf_backend_symbol_table_processing    0
 #endif
+#ifndef elf_backend_get_symbol_type
+#define elf_backend_get_symbol_type 0
+#endif
 #ifndef elf_backend_section_processing
 #define elf_backend_section_processing 0
 #endif
 #ifndef elf_backend_section_from_shdr
 #define elf_backend_section_from_shdr  0
 #endif
+#ifndef elf_backend_section_flags
+#define elf_backend_section_flags      0
+#endif
+#ifndef elf_backend_section_from_phdr
+#define elf_backend_section_from_phdr  0
+#endif
 #ifndef elf_backend_fake_sections
 #define elf_backend_fake_sections      0
 #endif
@@ -254,6 +310,70 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #ifndef elf_backend_ecoff_debug_swap
 #define elf_backend_ecoff_debug_swap   0
 #endif
+#ifndef elf_backend_got_header_size
+#define elf_backend_got_header_size    0
+#endif
+#ifndef elf_backend_plt_header_size
+#define elf_backend_plt_header_size    0
+#endif
+#ifndef elf_backend_post_process_headers
+#define elf_backend_post_process_headers       NULL
+#endif
+#ifndef elf_backend_print_symbol_all
+#define elf_backend_print_symbol_all           NULL
+#endif
+#ifndef elf_backend_output_arch_syms
+#define elf_backend_output_arch_syms           NULL
+#endif
+#ifndef elf_backend_copy_indirect_symbol
+#define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
+#endif
+#ifndef elf_backend_hide_symbol
+#define elf_backend_hide_symbol                _bfd_elf_link_hash_hide_symbol
+#endif
+#ifndef elf_backend_emit_relocs
+#define elf_backend_emit_relocs                        NULL
+#endif
+#ifndef elf_backend_count_relocs
+#define elf_backend_count_relocs               NULL
+#endif
+#ifndef elf_backend_grok_prstatus
+#define elf_backend_grok_prstatus              NULL
+#endif
+#ifndef elf_backend_grok_psinfo
+#define elf_backend_grok_psinfo                        NULL
+#endif
+#ifndef elf_backend_sprintf_vma
+#define elf_backend_sprintf_vma                        _bfd_elf_sprintf_vma
+#endif
+#ifndef elf_backend_fprintf_vma
+#define elf_backend_fprintf_vma                        _bfd_elf_fprintf_vma
+#endif
+#ifndef elf_backend_reloc_type_class
+#define elf_backend_reloc_type_class           _bfd_elf_reloc_type_class
+#endif
+
+/* Previously, backends could only use SHT_REL or SHT_RELA relocation
+   sections, but not both.  They defined USE_REL to indicate SHT_REL
+   sections, and left it undefined to indicated SHT_RELA sections.
+   For backwards compatibility, we still support this usage.  */
+#ifndef USE_REL
+#define USE_REL 0
+#else
+#undef USE_REL
+#define USE_REL 1
+#endif
+
+/* Use these in new code.  */
+#ifndef elf_backend_may_use_rel_p
+#define elf_backend_may_use_rel_p USE_REL
+#endif
+#ifndef elf_backend_may_use_rela_p
+#define elf_backend_may_use_rela_p !USE_REL
+#endif
+#ifndef elf_backend_default_use_rela_p
+#define elf_backend_default_use_rela_p !USE_REL
+#endif
 
 #ifndef ELF_MACHINE_ALT1
 #define ELF_MACHINE_ALT1 0
@@ -267,28 +387,29 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #define elf_backend_size_info _bfd_elfNN_size_info
 #endif
 
+#ifndef elf_backend_sign_extend_vma
+#define elf_backend_sign_extend_vma 0
+#endif
+
 extern const struct elf_size_info _bfd_elfNN_size_info;
 
-static CONST struct elf_backend_data elfNN_bed =
+#ifndef INCLUDED_TARGET_FILE
+static const struct elf_backend_data elfNN_bed =
 {
-#ifdef USE_REL
-  0,                           /* use_rela_p */
-#else
-  1,                           /* use_rela_p */
-#endif
   ELF_ARCH,                    /* arch */
   ELF_MACHINE_CODE,            /* elf_machine_code */
   ELF_MAXPAGESIZE,             /* maxpagesize */
-  elf_backend_collect,
-  elf_backend_type_change_ok,
   elf_info_to_howto,
   elf_info_to_howto_rel,
   elf_backend_sym_is_global,
   elf_backend_object_p,
   elf_backend_symbol_processing,
   elf_backend_symbol_table_processing,
+  elf_backend_get_symbol_type,
   elf_backend_section_processing,
   elf_backend_section_from_shdr,
+  elf_backend_section_flags,
+  elf_backend_section_from_phdr,
   elf_backend_fake_sections,
   elf_backend_section_from_bfd_section,
   elf_backend_add_symbol_hook,
@@ -305,14 +426,48 @@ static CONST struct elf_backend_data elfNN_bed =
   elf_backend_final_write_processing,
   elf_backend_additional_program_headers,
   elf_backend_modify_segment_map,
+  elf_backend_gc_mark_hook,
+  elf_backend_gc_sweep_hook,
+  elf_backend_post_process_headers,
+  elf_backend_print_symbol_all,
+  elf_backend_output_arch_syms,
+  elf_backend_copy_indirect_symbol,
+  elf_backend_hide_symbol,
+  elf_backend_emit_relocs,
+  elf_backend_count_relocs,
+  elf_backend_grok_prstatus,
+  elf_backend_grok_psinfo,
+  elf_backend_sprintf_vma,
+  elf_backend_fprintf_vma,
+  elf_backend_reloc_type_class,
   elf_backend_ecoff_debug_swap,
   ELF_MACHINE_ALT1,
   ELF_MACHINE_ALT2,
   &elf_backend_size_info,
+  elf_backend_got_symbol_offset,
+  elf_backend_got_header_size,
+  elf_backend_plt_header_size,
+  elf_backend_collect,
+  elf_backend_type_change_ok,
+  elf_backend_may_use_rel_p,
+  elf_backend_may_use_rela_p,
+  elf_backend_default_use_rela_p,
+  elf_backend_sign_extend_vma,
   elf_backend_want_got_plt,
   elf_backend_plt_readonly,
-  elf_backend_want_plt_sym
+  elf_backend_want_plt_sym,
+  elf_backend_plt_not_loaded,
+  elf_backend_plt_alignment,
+  elf_backend_can_gc_sections,
+  elf_backend_want_dynbss,
+  elf_backend_want_got_sym
 };
+#endif
+
+/* Forward declaration for use when initialising alternative_target field.  */
+#ifdef TARGET_LITTLE_SYM
+extern const bfd_target TARGET_LITTLE_SYM;
+#endif
 
 #ifdef TARGET_BIG_SYM
 const bfd_target TARGET_BIG_SYM =
@@ -373,14 +528,14 @@ const bfd_target TARGET_BIG_SYM =
   { bfd_false,
     bfd_elfNN_mkobject,
     bfd_elfNN_mkarchive,
-    bfd_false
+    bfd_elfNN_mkcorefile
   },
 
   /* bfd_write_contents: write cached information into a file being written */
   { bfd_false,
     bfd_elfNN_write_object_contents,
     bfd_elfNN_write_archive_contents,
-    bfd_false
+    bfd_elfNN_write_corefile_contents,
   },
 
       BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
@@ -397,8 +552,15 @@ const bfd_target TARGET_BIG_SYM =
       BFD_JUMP_TABLE_LINK (bfd_elfNN),
       BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 
+  /* Alternative endian target.  */
+#ifdef TARGET_LITTLE_SYM
+  & TARGET_LITTLE_SYM,
+#else
+  NULL,
+#endif
+
   /* backend_data: */
-  (PTR) &elfNN_bed,
+  (PTR) &elfNN_bed
 };
 #endif
 
@@ -461,14 +623,14 @@ const bfd_target TARGET_LITTLE_SYM =
   { bfd_false,
     bfd_elfNN_mkobject,
     bfd_elfNN_mkarchive,
-    bfd_false
+    bfd_elfNN_mkcorefile
   },
 
   /* bfd_write_contents: write cached information into a file being written */
   { bfd_false,
     bfd_elfNN_write_object_contents,
     bfd_elfNN_write_archive_contents,
-    bfd_false
+    bfd_elfNN_write_corefile_contents,
   },
 
       BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
@@ -485,7 +647,14 @@ const bfd_target TARGET_LITTLE_SYM =
       BFD_JUMP_TABLE_LINK (bfd_elfNN),
       BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 
+  /* Alternative endian target.  */
+#ifdef TARGET_BIG_SYM
+  & TARGET_BIG_SYM,
+#else
+  NULL,
+#endif
+
   /* backend_data: */
-  (PTR) &elfNN_bed,
+  (PTR) &elfNN_bed
 };
 #endif
This page took 0.028096 seconds and 4 git commands to generate.