/* The number of entries in a section is its size divided by the size
of a single entry. This is normally only applicable to reloc and
- symbol table sections. */
-#define NUM_SHDR_ENTRIES(shdr) ((shdr)->sh_size / (shdr)->sh_entsize)
+ symbol table sections.
+ PR 9934: It is possible to have relocations that do not refer to
+ symbols, thus it is also possible to have a relocation section in
+ an object file, but no symbol table. */
+#define NUM_SHDR_ENTRIES(shdr) ((shdr)->sh_entsize > 0 ? (shdr)->sh_size / (shdr)->sh_entsize : 0)
/* If size isn't specified as 64 or 32, NAME macro should fail. */
#ifndef NAME
/* The section type to use for an attributes section. */
unsigned int obj_attrs_section_type;
+ /* This function determines the order in which any attributes are written.
+ It must be defined for input in the range 4..NUM_KNOWN_OBJ_ATTRIBUTES-1
+ (this range is used in order to make unity easy). The returned value is
+ the actual tag number to place in the input position. */
+ int (*obj_attrs_order) (int);
+
/* This is TRUE if the linker should act like collect and gather
global constructors and destructors by name. This is TRUE for
MIPS ELF because the Irix 5 tools can not handle the .init
/* A pointer to the bfd section used for dynamic relocs. */
asection *sreloc;
+ /* A pointer to the bfd section used for dynamic relocs against ifunc symbols. */
+ asection *indirect_relocs;
+
union {
/* Group name, if this section is a member of a group. */
const char *name;
#define get_elf_backend_data(abfd) \
xvec_get_elf_backend_data ((abfd)->xvec)
-/* 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;
-};
-
/* The maximum number of known object attributes for any target. */
-#define NUM_KNOWN_OBJ_ATTRIBUTES 33
+#define NUM_KNOWN_OBJ_ATTRIBUTES 71
-/* The value of an object attribute. type & 1 indicates whether there
- is an integer value; type & 2 indicates whether there is a string
- value. */
+/* The value of an object attribute. The type indicates whether the attribute
+ holds and integer, a string, or both. It can also indicate that there can
+ be no default (i.e. all values must be written to file, even zero). */
typedef struct obj_attribute
{
+#define ATTR_TYPE_FLAG_INT_VAL (1 << 0)
+#define ATTR_TYPE_FLAG_STR_VAL (1 << 1)
+#define ATTR_TYPE_FLAG_NO_DEFAULT (1 << 2)
+
+#define ATTR_TYPE_HAS_INT_VAL(TYPE) ((TYPE) & ATTR_TYPE_FLAG_INT_VAL)
+#define ATTR_TYPE_HAS_STR_VAL(TYPE) ((TYPE) & ATTR_TYPE_FLAG_STR_VAL)
+#define ATTR_TYPE_HAS_NO_DEFAULT(TYPE) ((TYPE) & ATTR_TYPE_FLAG_NO_DEFAULT)
+
int type;
unsigned int i;
char *s;
bfd_size_type build_id_size;
bfd_byte *build_id;
+ /* True if the bfd contains symbols that have the STT_GNU_IFUNC
+ symbol type. Used to set the osabi field in the ELF header
+ structure. */
+ bfd_boolean has_ifunc_symbols;
+
/* An identifier used to distinguish different target
specific extensions to this structure. */
enum elf_object_id object_id;
(bfd *, asection *);
extern char *bfd_elf_string_from_elf_section
(bfd *, unsigned, unsigned);
-extern char *bfd_elf_get_str_section
- (bfd *, unsigned);
extern Elf_Internal_Sym *bfd_elf_get_elf_syms
(bfd *, Elf_Internal_Shdr *, size_t, size_t, Elf_Internal_Sym *, void *,
Elf_External_Sym_Shndx *);
(bfd *);
extern bfd_boolean bfd_elf_mkcorefile
(bfd *);
-extern Elf_Internal_Shdr *bfd_elf_find_section
- (bfd *, char *);
extern bfd_boolean _bfd_elf_make_section_from_shdr
(bfd *, Elf_Internal_Shdr *, const char *, int);
extern bfd_boolean _bfd_elf_make_section_from_phdr
extern bfd_boolean _bfd_elf_hash_symbol (struct elf_link_hash_entry *);
-extern bfd_boolean _bfd_elf_add_default_symbol
- (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
- const char *, Elf_Internal_Sym *, asection **, bfd_vma *,
- bfd_boolean *, bfd_boolean);
-
-extern bfd_boolean _bfd_elf_export_symbol
- (struct elf_link_hash_entry *, void *);
-
-extern bfd_boolean _bfd_elf_link_find_version_dependencies
- (struct elf_link_hash_entry *, void *);
-
-extern bfd_boolean _bfd_elf_link_assign_sym_version
- (struct elf_link_hash_entry *, void *);
-
extern long _bfd_elf_link_lookup_local_dynindx
(struct bfd_link_info *, bfd *, long);
extern bfd_boolean _bfd_elf_compute_section_file_positions
extern Elf_Internal_Rela *_bfd_elf_link_read_relocs
(bfd *, asection *, void *, Elf_Internal_Rela *, bfd_boolean);
-extern bfd_boolean _bfd_elf_link_size_reloc_section
- (bfd *, Elf_Internal_Shdr *, asection *);
-
extern bfd_boolean _bfd_elf_link_output_relocs
(bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *,
struct elf_link_hash_entry **);
-extern bfd_boolean _bfd_elf_fix_symbol_flags
- (struct elf_link_hash_entry *, struct elf_info_failed *);
-
-extern bfd_boolean _bfd_elf_adjust_dynamic_symbol
- (struct elf_link_hash_entry *, void *);
-
extern bfd_boolean _bfd_elf_adjust_dynamic_copy
(struct elf_link_hash_entry *, asection *);
-extern bfd_boolean _bfd_elf_link_sec_merge_syms
- (struct elf_link_hash_entry *, void *);
-
extern bfd_boolean _bfd_elf_dynamic_symbol_p
(struct elf_link_hash_entry *, struct bfd_link_info *, bfd_boolean);
extern int bfd_elf_link_record_local_dynamic_symbol
(struct bfd_link_info *, bfd *, long);
-extern void bfd_elf_link_mark_dynamic_symbol
- (struct bfd_link_info *, struct elf_link_hash_entry *,
- Elf_Internal_Sym *);
-
extern bfd_boolean _bfd_elf_close_and_cleanup
(bfd *);
extern void _bfd_elf_parse_attributes (bfd *, Elf_Internal_Shdr *);
extern bfd_boolean _bfd_elf_merge_object_attributes (bfd *, bfd *);
+extern asection * _bfd_elf_make_ifunc_reloc_section
+ (bfd *, asection *, bfd *, unsigned int);
+
/* Large common section. */
extern asection _bfd_elf_large_com_section;
-/* SH ELF specific routine. */
-
-extern bfd_boolean _sh_elf_set_mach_from_flags
- (bfd *);
-
/* This is the condition under which finish_dynamic_symbol will be called.
If our finish_dynamic_symbol isn't called, we'll need to do something
about initializing any .plt and .got entries in relocate_section. */
projects / deliverable / binutils-gdb.git / blobdiff