/* 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, 2002
+ Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#ifndef elf_backend_got_symbol_offset
#define elf_backend_got_symbol_offset (bfd_vma) 0
#endif
+#ifndef elf_backend_can_refcount
+#define elf_backend_can_refcount 0
+#endif
#ifndef elf_backend_want_got_plt
#define elf_backend_want_got_plt 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 \
#ifndef elf_backend_can_gc_sections
#define elf_backend_can_gc_sections 0
#endif
+#ifndef elf_backend_can_refcount
+#define elf_backend_can_refcount 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
#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 \
#endif
#ifndef bfd_elfNN_bfd_copy_private_bfd_data
#define bfd_elfNN_bfd_copy_private_bfd_data \
- ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
+ _bfd_elf_copy_private_bfd_data
#endif
#ifndef bfd_elfNN_bfd_print_private_bfd_data
#define bfd_elfNN_bfd_print_private_bfd_data \
_bfd_elf_canonicalize_dynamic_reloc
#endif
+#ifndef bfd_elfNN_bfd_link_hash_table_free
+#define bfd_elfNN_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
+#endif
+
#ifdef elf_backend_relocate_section
#ifndef bfd_elfNN_bfd_link_hash_table_create
#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
#endif
#ifndef ELF_MAXPAGESIZE
+ #error ELF_MAXPAGESIZE is not defined
#define ELF_MAXPAGESIZE 1
#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
#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
+#ifndef elf_backend_discard_info
+#define elf_backend_discard_info NULL
+#endif
+#ifndef elf_backend_ignore_discarded_relocs
+#define elf_backend_ignore_discarded_relocs NULL
+#endif
+#ifndef elf_backend_write_section
+#define elf_backend_write_section NULL
+#endif
+#ifndef elf_backend_mips_irix_compat
+#define elf_backend_mips_irix_compat NULL
+#endif
+#ifndef elf_backend_mips_rtype_to_howto
+#define elf_backend_mips_rtype_to_howto NULL
+#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
#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_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,
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_discard_info,
+ elf_backend_ignore_discarded_relocs,
+ elf_backend_write_section,
+ elf_backend_mips_irix_compat,
+ elf_backend_mips_rtype_to_howto,
elf_backend_ecoff_debug_swap,
ELF_MACHINE_ALT1,
ELF_MACHINE_ALT2,
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_plt_not_loaded,
elf_backend_plt_alignment,
- elf_backend_can_gc_sections
+ elf_backend_can_gc_sections,
+ elf_backend_can_refcount,
+ elf_backend_want_got_sym,
+ elf_backend_want_dynbss
};
+#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 =
BFD_ENDIAN_BIG,
/* object_flags: mask of all file flags */
- (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
- DYNAMIC | WP_TEXT | D_PAGED),
+ (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
+ | DYNAMIC | WP_TEXT | D_PAGED),
/* section_flags: mask of all section flags */
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
- SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES),
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
+ | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
+ | SEC_ARCH_BIT_0 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
/* leading_symbol_char: is the first char of a user symbol
predictable, and if so what is it */
/* ar_max_namelen: maximum number of characters in an archive header
FIXME: this really has nothing to do with ELF, this is a characteristic
- of the archiver and should be independently tunable. This value is
- a WAG (wild a** guess) */
- 14,
+ of the archiver and should be independently tunable. The System V ABI,
+ Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
+ 15,
/* Routines to byte-swap various sized integers from the data sections */
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
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
BFD_ENDIAN_LITTLE,
/* object_flags: mask of all file flags */
- (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
- DYNAMIC | WP_TEXT | D_PAGED),
+ (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
+ | DYNAMIC | WP_TEXT | D_PAGED),
/* section_flags: mask of all section flags */
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
- SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES),
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
+ | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
+ | SEC_ARCH_BIT_0 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
/* leading_symbol_char: is the first char of a user symbol
predictable, and if so what is it */
/* ar_max_namelen: maximum number of characters in an archive header
FIXME: this really has nothing to do with ELF, this is a characteristic
- of the archiver and should be independently tunable. This value is
- a WAG (wild a** guess) */
- 14,
+ of the archiver and should be independently tunable. The System V ABI,
+ Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
+ 15,
/* Routines to byte-swap various sized integers from the data sections */
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
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
projects / deliverable / binutils-gdb.git / blobdiff