/* Symbol is referenced by a non-GOT/non-PLT relocation. This is
not currently set by all the backends. */
#define ELF_LINK_NON_GOT_REF 010000
+ /* Symbol has a definition in a shared object. */
+#define ELF_LINK_DYNAMIC_DEF 020000
+ /* Symbol is weak in all shared objects. */
+#define ELF_LINK_DYNAMIC_WEAK 040000
};
+/* Will references to this symbol always reference the symbol
+ in this object? STV_PROTECTED is excluded from the visibility test
+ here so that function pointer comparisons work properly. Since
+ function symbols not defined in an app are set to their .plt entry,
+ it's necessary for shared libs to also reference the .plt even
+ though the symbol is really local to the shared lib. */
+#define SYMBOL_REFERENCES_LOCAL(INFO, H) \
+ ((! (INFO)->shared \
+ || (INFO)->symbolic \
+ || (H)->dynindx == -1 \
+ || ELF_ST_VISIBILITY ((H)->other) == STV_INTERNAL \
+ || ELF_ST_VISIBILITY ((H)->other) == STV_HIDDEN \
+ || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0) \
+ && ((H)->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0)
+
+/* Will _calls_ to this symbol always call the version in this object? */
+#define SYMBOL_CALLS_LOCAL(INFO, H) \
+ ((! (INFO)->shared \
+ || (INFO)->symbolic \
+ || (H)->dynindx == -1 \
+ || ELF_ST_VISIBILITY ((H)->other) != STV_DEFAULT \
+ || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0) \
+ && ((H)->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0)
+
/* Records local symbols to be emitted in the dynamic symbol table. */
struct elf_link_local_dynamic_entry
handle all back-ends. */
#define MAX_INT_RELS_PER_EXT_REL 3
- unsigned char arch_size, file_align;
+ unsigned char arch_size, log_file_align;
unsigned char elfclass, ev_current;
int (*write_out_phdrs)
PARAMS ((bfd *, const Elf_Internal_Phdr *, unsigned int));
bfd_boolean written_address_p; /* whether address was written yet */
} elf_linker_section_pointers_t;
+/* This struct is used to pass information to routines called via
+ elf_link_hash_traverse which must return failure. */
+
+struct elf_info_failed
+{
+ bfd_boolean failed;
+ struct bfd_link_info *info;
+ struct bfd_elf_version_tree *verdefs;
+};
+
+/* This structure is used to pass information to
+ _bfd_elf_link_assign_sym_version. */
+
+struct elf_assign_sym_version_info
+{
+ /* Output BFD. */
+ bfd *output_bfd;
+ /* General link information. */
+ struct bfd_link_info *info;
+ /* Version tree. */
+ struct bfd_elf_version_tree *verdefs;
+ /* Whether we had a failure. */
+ bfd_boolean failed;
+};
+
+/* This structure is used to pass information to
+ _bfd_elf_link_find_version_dependencies. */
+
+struct elf_find_verdep_info
+{
+ /* Output BFD. */
+ bfd *output_bfd;
+ /* General link information. */
+ struct bfd_link_info *info;
+ /* The number of dependencies. */
+ unsigned int vers;
+ /* Whether we had a failure. */
+ bfd_boolean failed;
+};
+
/* Some private data is stashed away for future use using the tdata pointer
in the bfd structure. */
PARAMS ((bfd *, struct sym_sec_cache *, asection *, unsigned long));
extern asection *bfd_section_from_elf_index
PARAMS ((bfd *, unsigned int));
-extern bfd_boolean _bfd_elf_create_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
extern struct bfd_strtab_hash *_bfd_elf_stringtab_init
PARAMS ((void));
extern bfd_boolean _bfd_elf_maybe_strip_eh_frame_hdr
PARAMS ((struct bfd_link_info *));
+extern bfd_boolean _bfd_elf_merge_symbol
+ PARAMS ((bfd *, struct bfd_link_info *, const char *,
+ Elf_Internal_Sym *, asection **, bfd_vma *,
+ struct elf_link_hash_entry **, bfd_boolean *, bfd_boolean *,
+ bfd_boolean *, bfd_boolean *, bfd_boolean));
+
+extern bfd_boolean _bfd_elf_add_default_symbol
+ PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
+ const char *, Elf_Internal_Sym *, asection **, bfd_vma *,
+ bfd_boolean *, bfd_boolean, bfd_boolean));
+
+extern bfd_boolean _bfd_elf_export_symbol
+ PARAMS ((struct elf_link_hash_entry *, PTR));
+
+extern bfd_boolean _bfd_elf_link_find_version_dependencies
+ PARAMS ((struct elf_link_hash_entry *, PTR));
+
+extern bfd_boolean _bfd_elf_link_assign_sym_version
+ PARAMS ((struct elf_link_hash_entry *, PTR));
+
extern bfd_boolean _bfd_elf_link_record_dynamic_symbol
PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
extern long _bfd_elf_link_lookup_local_dynindx
extern bfd_boolean _bfd_elf_validate_reloc
PARAMS ((bfd *, arelent *));
+extern bfd_boolean _bfd_elf_link_create_dynamic_sections
+ PARAMS ((bfd *, struct bfd_link_info *));
extern bfd_boolean _bfd_elf_create_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
extern bfd_boolean _bfd_elf_create_got_section
extern bfd_boolean _bfd_elf_make_linker_section_rela
PARAMS ((bfd *, elf_linker_section_t *, int));
+extern Elf_Internal_Rela *_bfd_elf_link_read_relocs
+ PARAMS ((bfd *, asection *, PTR, Elf_Internal_Rela *, bfd_boolean));
+
+extern bfd_boolean _bfd_elf_link_size_reloc_section
+ PARAMS ((bfd *, Elf_Internal_Shdr *, asection *));
+
+extern bfd_boolean _bfd_elf_link_output_relocs
+ PARAMS ((bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *));
+
+extern bfd_boolean _bfd_elf_fix_symbol_flags
+ PARAMS ((struct elf_link_hash_entry *, struct elf_info_failed *));
+
+extern bfd_boolean _bfd_elf_adjust_dynamic_symbol
+ PARAMS ((struct elf_link_hash_entry *, PTR));
+
+extern bfd_boolean _bfd_elf_link_sec_merge_syms
+ PARAMS ((struct elf_link_hash_entry *, PTR));
+
extern const bfd_target *bfd_elf32_object_p
PARAMS ((bfd *));
extern const bfd_target *bfd_elf32_core_file_p
PARAMS ((bfd *, asection *, asymbol **, bfd_boolean));
extern bfd_boolean bfd_elf32_add_dynamic_entry
PARAMS ((struct bfd_link_info *, bfd_vma, bfd_vma));
-extern bfd_boolean bfd_elf32_link_create_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-extern Elf_Internal_Rela *_bfd_elf32_link_read_relocs
- PARAMS ((bfd *, asection *, PTR, Elf_Internal_Rela *, bfd_boolean));
extern const bfd_target *bfd_elf64_object_p
PARAMS ((bfd *));
PARAMS ((bfd *, asection *, asymbol **, bfd_boolean));
extern bfd_boolean bfd_elf64_add_dynamic_entry
PARAMS ((struct bfd_link_info *, bfd_vma, bfd_vma));
-extern bfd_boolean bfd_elf64_link_create_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-extern Elf_Internal_Rela *_bfd_elf64_link_read_relocs
- PARAMS ((bfd *, asection *, PTR, Elf_Internal_Rela *, bfd_boolean));
#define bfd_elf32_link_record_dynamic_symbol \
_bfd_elf_link_record_dynamic_symbol
projects / binutils-gdb.git / blobdiff