};
/* Structures used by the eh_frame optimization code. */
-struct cie_header
-{
- unsigned int length;
- unsigned int id;
-};
-
-struct cie
-{
- struct cie_header hdr;
- unsigned char version;
- char augmentation[20];
- bfd_vma code_align;
- bfd_signed_vma data_align;
- bfd_vma ra_column;
- bfd_vma augmentation_size;
- struct elf_link_hash_entry *personality;
- unsigned char per_encoding;
- unsigned char lsda_encoding;
- unsigned char fde_encoding;
- unsigned char initial_insn_length;
- unsigned char make_relative;
- unsigned char make_lsda_relative;
- unsigned char initial_instructions[50];
-};
-
struct eh_cie_fde
{
/* For FDEs, this points to the CIE used. */
unsigned int make_lsda_relative : 1;
unsigned int need_lsda_relative : 1;
unsigned int per_encoding_relative : 1;
+ unsigned int *set_loc;
};
struct eh_frame_sec_info
{
unsigned int count;
- unsigned int alloced;
struct eh_cie_fde entry[1];
};
bfd_vma fde;
};
+struct htab;
+
struct eh_frame_hdr_info
{
- struct cie last_cie;
- asection *last_cie_sec;
- struct eh_cie_fde *last_cie_inf;
+ struct htab *cies;
asection *hdr_sec;
unsigned int fde_count, array_count;
struct eh_frame_array_ent *array;
when linking against or generating a shared object. */
bfd_boolean dynamic_sections_created;
+ /* True if this target has relocatable executables, so needs dynamic
+ section symbols. */
+ bfd_boolean is_relocatable_executable;
+
/* The BFD used to hold special sections created by the linker.
This will be the first BFD found which requires these sections to
be created. */
included in the link. */
struct bfd_link_needed_list *needed;
+ /* Sections in the output bfd that provides a section symbol
+ to be used by relocations emitted against local symbols.
+ Most targets will not use data_index_section. */
+ asection *text_index_section;
+ asection *data_index_section;
+
/* The _GLOBAL_OFFSET_TABLE_ symbol. */
struct elf_link_hash_entry *hgot;
/* A linked list of BFD's loaded in the link. */
struct elf_link_loaded_list *loaded;
-
- /* True if this target has relocatable executables, so needs dynamic
- section symbols. */
- bfd_boolean is_relocatable_executable;
};
/* Look up an entry in an ELF linker hash table. */
bfd_boolean (*check_directives)
(bfd *abfd, struct bfd_link_info *info);
+ /* The AS_NEEDED_CLEANUP function is called once per --as-needed
+ input file that was not needed by the add_symbols phase of the
+ ELF backend linker. The function must undo any target specific
+ changes in the symbol hash table. */
+ bfd_boolean (*as_needed_cleanup)
+ (bfd *abfd, struct bfd_link_info *info);
+
/* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend
linker for every symbol which is defined by a dynamic object and
referenced by a regular object. This is called after all the
bfd_boolean (*elf_backend_size_dynamic_sections)
(bfd *output_bfd, struct bfd_link_info *info);
+ /* Set TEXT_INDEX_SECTION and DATA_INDEX_SECTION, the output sections
+ we keep to use as a base for relocs and symbols. */
+ void (*elf_backend_init_index_section)
+ (bfd *output_bfd, struct bfd_link_info *info);
+
/* The RELOCATE_SECTION function is called by the ELF backend linker
to handle the relocations for a section.
struct bfd_symbol *id;
} group;
- /* Optional information about section group; NULL if it doesn't
- belongs to any section group. */
+ /* For a member of a group, points to the SHT_GROUP section.
+ NULL for the SHT_GROUP section itself and non-group sections. */
asection *sec_group;
- /* A linked list of sections in the group. Circular when used by
- the linker. */
+ /* A linked list of member sections in the group. Circular when used by
+ the linker. For the SHT_GROUP section, points at first member. */
asection *next_in_group;
/* A pointer used for various section optimizations. */
MIPS ELF linker. FIXME: We should figure out some way to only
include this field for a MIPS ELF target. */
asection **local_stubs;
+ asection **local_call_stubs;
/* Used to determine if PT_GNU_EH_FRAME segment header should be
created. */
/* Used to determine if the e_flags field has been initialized */
bfd_boolean flags_init;
+
+ /* Symbol buffer. */
+ Elf_Internal_Sym *symbuf;
};
#define elf_tdata(bfd) ((bfd) -> tdata.elf_obj_data)
extern bfd_boolean bfd_elf_is_group_section
(bfd *, const struct bfd_section *);
extern void _bfd_elf_section_already_linked
- (bfd *, struct bfd_section *);
+ (bfd *, struct bfd_section *, struct bfd_link_info *);
extern void bfd_elf_set_group_contents
(bfd *, asection *, void *);
extern asection *_bfd_elf_check_kept_section
- (asection *);
+ (asection *, struct bfd_link_info *);
extern void _bfd_elf_link_just_syms
(asection *, struct bfd_link_info *);
extern bfd_boolean _bfd_elf_copy_private_header_data
(bfd *, struct bfd_link_info *);
extern struct elf_link_hash_entry *_bfd_elf_define_linkage_sym
(bfd *, struct bfd_link_info *, asection *, const char *);
+extern void _bfd_elf_init_1_index_section
+ (bfd *, struct bfd_link_info *);
+extern void _bfd_elf_init_2_index_sections
+ (bfd *, struct bfd_link_info *);
extern bfd_boolean _bfd_elfcore_make_pseudosection
(bfd *, char *, size_t, ufile_ptr);
(struct elf_link_hash_entry *, struct bfd_link_info *, bfd_boolean);
extern bfd_boolean bfd_elf_match_symbols_in_sections
- (asection *sec1, asection *sec2);
+ (asection *, asection *, struct bfd_link_info *);
extern bfd_boolean _bfd_elf_setup_sections
(bfd *);
(struct bfd_link_info *, bfd *, long);
extern void bfd_elf_link_mark_dynamic_symbol
- (struct bfd_link_info *, struct elf_link_hash_entry *);
+ (struct bfd_link_info *, struct elf_link_hash_entry *,
+ Elf_Internal_Sym *);
extern bfd_boolean _bfd_elf_close_and_cleanup
(bfd *);
extern bfd_boolean bfd_elf_gc_record_vtentry
(bfd *, asection *, struct elf_link_hash_entry *, bfd_vma);
+extern asection *_bfd_elf_gc_mark_hook
+ (asection *, struct bfd_link_info *, Elf_Internal_Rela *,
+ struct elf_link_hash_entry *, Elf_Internal_Sym *);
+
extern bfd_boolean _bfd_elf_gc_mark
(struct bfd_link_info *, asection *,
asection * (*) (asection *, struct bfd_link_info *, Elf_Internal_Rela *,