/* BFD back-end data structures for ELF files.
Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002, 2003 Free Software Foundation, Inc.
+ 2002, 2003, 2004 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
#define SYMBOL_CALLS_LOCAL(INFO, H) \
_bfd_elf_symbol_refs_local_p (H, INFO, 1)
+/* Common symbols that are turned into definitions don't have the
+ DEF_REGULAR flag set, so they might appear to be undefined. */
+#define ELF_COMMON_DEF_P(H) \
+ (((H)->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0 \
+ && ((H)->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0 \
+ && (H)->root.type == bfd_link_hash_defined)
+
/* Records local symbols to be emitted in the dynamic symbol table. */
struct elf_link_local_dynamic_entry
unsigned char fde_encoding;
unsigned char lsda_encoding;
unsigned char lsda_offset;
- unsigned char cie : 1;
- unsigned char removed : 1;
- unsigned char make_relative : 1;
- unsigned char make_lsda_relative : 1;
- unsigned char per_encoding_relative : 1;
+ unsigned int cie : 1;
+ unsigned int removed : 1;
+ unsigned int make_relative : 1;
+ unsigned int make_lsda_relative : 1;
+ unsigned int per_encoding_relative : 1;
};
struct eh_frame_sec_info
/* The _GLOBAL_OFFSET_TABLE_ symbol. */
struct elf_link_hash_entry *hgot;
- /* A pointer to information used to link stabs in sections. */
- void *stab_info;
-
/* A pointer to information used to merge SEC_MERGE sections. */
void *merge_info;
+ /* Used to link stabs in sections. */
+ struct stab_info stab_info;
+
/* Used by eh_frame code when editing .eh_frame. */
struct eh_frame_hdr_info eh_info;
size_t locsymcount;
size_t extsymoff;
struct elf_link_hash_entry **sym_hashes;
+ int r_sym_shift;
bfd_boolean bad_symtab;
};
bfd_boolean (*elf_backend_symbol_table_processing)
(bfd *, elf_symbol_type *, unsigned int);
- /* A function to set the type of the info field. Processor-specific
+ /* A function to set the type of the info field. Processor-specific
types should be handled here. */
int (*elf_backend_get_symbol_type)
(Elf_Internal_Sym *, int);
+ /* A function to return the linker hash table entry of a symbol that
+ might be satisfied by an archive symbol. */
+ struct elf_link_hash_entry * (*elf_backend_archive_symbol_lookup)
+ (bfd *, struct bfd_link_info *, const char *);
+
+ /* Return true if local section symbols should have a non-null st_name.
+ NULL implies false. */
+ bfd_boolean (*elf_backend_name_local_section_symbols)
+ (bfd *);
+
/* A function to do additional processing on the ELF section header
just before writing it out. This is used to set the flags and
type fields for some sections, or to actually write out data for
/* A function to convert machine dependent section header flags to
BFD internal section header flags. */
bfd_boolean (*elf_backend_section_flags)
- (flagword *, Elf_Internal_Shdr *);
+ (flagword *, const Elf_Internal_Shdr *);
/* A function to handle unusual program segment types when creating BFD
sections from ELF program segments. */
indices, and must set at least *FLAGS and *SEC for each processor
dependent case; failure to do so will cause a link error. */
bfd_boolean (*elf_add_symbol_hook)
- (bfd *abfd, struct bfd_link_info *info, const Elf_Internal_Sym *,
+ (bfd *abfd, struct bfd_link_info *info, Elf_Internal_Sym *,
const char **name, flagword *flags, asection **sec, bfd_vma *value);
/* If this field is not NULL, it is called by the elf_link_output_sym
phase of a link for each symbol which will appear in the object file. */
bfd_boolean (*elf_backend_link_output_symbol_hook)
- (bfd *, struct bfd_link_info *info, const char *, Elf_Internal_Sym *,
- asection *);
+ (struct bfd_link_info *info, const char *, Elf_Internal_Sym *,
+ asection *, struct elf_link_hash_entry *);
/* The CREATE_DYNAMIC_SECTIONS function is called by the ELF backend
linker the first time it encounters a dynamic object in the link.
bfd_boolean (*elf_backend_create_dynamic_sections)
(bfd *abfd, struct bfd_link_info *info);
+ /* When creating a shared library, determine whether to omit the
+ dynamic symbol for the section. */
+ bfd_boolean (*elf_backend_omit_section_dynsym)
+ (bfd *output_bfd, struct bfd_link_info *info, asection *osec);
+
/* The CHECK_RELOCS function is called by the add_symbols phase of
the ELF backend linker. It is called once for each section with
relocs of an object file, just after the symbols for the object
(bfd *abfd, struct bfd_link_info *info, asection *o,
const Elf_Internal_Rela *relocs);
+ /* The CHECK_DIRECTIVES function is called once per input file by
+ the add_symbols phase of the ELF backend linker. The function
+ must inspect the bfd and create any additional symbols according
+ to any custom directives in the bfd. */
+ bfd_boolean (*check_directives)
+ (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
not handled in the hash table. */
bfd_boolean (*elf_backend_output_arch_syms)
(bfd *, struct bfd_link_info *, void *,
- bfd_boolean (*) (void *, const char *, Elf_Internal_Sym *, asection *));
+ bfd_boolean (*) (void *, const char *, Elf_Internal_Sym *, asection *,
+ struct elf_link_hash_entry *));
/* Copy any information related to dynamic linking from a pre-existing
symbol to a newly created symbol. Also called to copy flags and
bfd_boolean (*elf_backend_ignore_discarded_relocs)
(asection *);
+ /* These functions tell elf-eh-frame whether to attempt to turn
+ absolute or lsda encodings into pc-relative ones. The default
+ definition enables these transformations. */
+ bfd_boolean (*elf_backend_can_make_relative_eh_frame)
+ (bfd *, struct bfd_link_info *, asection *);
+ bfd_boolean (*elf_backend_can_make_lsda_relative_eh_frame)
+ (bfd *, struct bfd_link_info *, asection *);
+
+ /* This function returns an encoding after computing the encoded
+ value (and storing it in ENCODED) for the given OFFSET into OSEC,
+ to be stored in at LOC_OFFSET into the LOC_SEC input section.
+ The default definition chooses a 32-bit PC-relative encoding. */
+ bfd_byte (*elf_backend_encode_eh_address)
+ (bfd *abfd, struct bfd_link_info *info,
+ asection *osec, bfd_vma offset,
+ asection *loc_sec, bfd_vma loc_offset,
+ bfd_vma *encoded);
+
/* This function, if defined, may write out the given section.
Returns TRUE if it did so and FALSE if the caller should. */
bfd_boolean (*elf_backend_write_section)
(bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
int (*target_read_memory) (bfd_vma vma, char *myaddr, int len));
+ /* This function is used by `_bfd_elf_get_synthetic_symtab';
+ see elf.c. */
+ bfd_vma (*plt_sym_val) (bfd_vma, const asection *, const arelent *);
+
+ /* Used to handle bad SHF_LINK_ORDER input. */
+ bfd_error_handler_type link_order_error_handler;
+
+ /* Name of the PLT relocation section. */
+ const char *relplt_name;
+
/* Alternate EM_xxxx machine codes for this backend. */
int elf_machine_alt1;
int elf_machine_alt2;
no dynamic symbol for this section. */
int dynindx;
+ /* A pointer to the linked-to section for SHF_LINK_ORDER. */
+ asection *linked_to;
+
/* Used by the backend linker to store the symbol hash table entries
associated with relocs against global symbols. */
struct elf_link_hash_entry **rel_hashes;
struct bfd_symbol *id;
} group;
+ /* Optional information about section group; NULL if it doesn't
+ belongs to any section group. */
+ asection *sec_group;
+
/* A linked list of sections in the group. Circular when used by
the linker. */
asection *next_in_group;
};
#define elf_section_data(sec) ((struct bfd_elf_section_data*)sec->used_by_bfd)
+#define elf_linked_to_section(sec) (elf_section_data(sec)->linked_to)
#define elf_section_type(sec) (elf_section_data(sec)->this_hdr.sh_type)
#define elf_section_flags(sec) (elf_section_data(sec)->this_hdr.sh_flags)
#define elf_group_name(sec) (elf_section_data(sec)->group.name)
#define elf_group_id(sec) (elf_section_data(sec)->group.id)
#define elf_next_in_group(sec) (elf_section_data(sec)->next_in_group)
+#define elf_sec_group(sec) (elf_section_data(sec)->sec_group)
/* Return TRUE if section has been discarded. */
#define elf_discarded_section(sec) \
(!bfd_is_abs_section (sec) \
&& bfd_is_abs_section ((sec)->output_section) \
- && sec->sec_info_type != ELF_INFO_TYPE_MERGE \
- && sec->sec_info_type != ELF_INFO_TYPE_JUST_SYMS)
+ && (sec)->sec_info_type != ELF_INFO_TYPE_MERGE \
+ && (sec)->sec_info_type != ELF_INFO_TYPE_JUST_SYMS)
#define get_elf_backend_data(abfd) \
((const struct elf_backend_data *) (abfd)->xvec->backend_data)
bfd_vma gp; /* The gp value */
unsigned int gp_size; /* The gp size */
- Elf_Internal_Shdr **group_sect_ptr;
- int num_group;
-
/* Information grabbed from an elf core file. */
int core_signal;
int core_pid;
char* core_program;
char* core_command;
- /* This is set to TRUE if the object was created by the backend
- linker. */
- bfd_boolean linker;
-
/* A mapping from external symbols to entries in the linker hash
table, used when linking. This is indexed by the symbol index
minus the sh_info field of the symbol table header. */
one. */
const char *dt_name;
- /* When a reference in a regular object is resolved by a shared
- object is loaded into via the DT_NEEDED entries by the linker
- ELF emulation code, we need to add the shared object to the
- DT_NEEDED list of the resulting binary to indicate the dependency
- as if the -l option is passed to the linker. This field holds the
- name of the loaded shared object. */
- const char *dt_soname;
-
- /* Irix 5 often screws up the symbol table, sorting local symbols
- after global symbols. This flag is set if the symbol table in
- this BFD appears to be screwed up. If it is, we ignore the
- sh_info field in the symbol table header, and always read all the
- symbols. */
- bfd_boolean bad_symtab;
-
/* Records the result of `get_program_header_size'. */
bfd_size_type program_header_size;
created. */
asection *eh_frame_hdr;
- /* Used to determine if the e_flags field has been initialized */
- bfd_boolean flags_init;
+ Elf_Internal_Shdr **group_sect_ptr;
+ int num_group;
/* Number of symbol version definitions we are about to emit. */
unsigned int cverdefs;
/* Segment flags for the PT_GNU_STACK segment. */
unsigned int stack_flags;
+ /* Should the PT_GNU_RELRO segment be emitted? */
+ bfd_boolean relro;
+
/* Symbol version definitions in external objects. */
Elf_Internal_Verdef *verdef;
asymbol *elf_text_symbol;
asection *elf_data_section;
asection *elf_text_section;
+
+ /* Whether a dyanmic object was specified normally on the linker
+ command line, or was specified when --as-needed was in effect,
+ or was found via a DT_NEEDED entry. */
+ enum dynamic_lib_link_class dyn_lib_class;
+
+ /* This is set to TRUE if the object was created by the backend
+ linker. */
+ bfd_boolean linker;
+
+ /* Irix 5 often screws up the symbol table, sorting local symbols
+ after global symbols. This flag is set if the symbol table in
+ this BFD appears to be screwed up. If it is, we ignore the
+ sh_info field in the symbol table header, and always read all the
+ symbols. */
+ bfd_boolean bad_symtab;
+
+ /* Used to determine if the e_flags field has been initialized */
+ bfd_boolean flags_init;
};
#define elf_tdata(bfd) ((bfd) -> tdata.elf_obj_data)
#define elf_local_got_offsets(bfd) (elf_tdata(bfd) -> local_got.offsets)
#define elf_local_got_ents(bfd) (elf_tdata(bfd) -> local_got.ents)
#define elf_dt_name(bfd) (elf_tdata(bfd) -> dt_name)
-#define elf_dt_soname(bfd) (elf_tdata(bfd) -> dt_soname)
+#define elf_dyn_lib_class(bfd) (elf_tdata(bfd) -> dyn_lib_class)
#define elf_bad_symtab(bfd) (elf_tdata(bfd) -> bad_symtab)
#define elf_flags_init(bfd) (elf_tdata(bfd) -> flags_init)
\f
bfd_elf_string_from_elf_section (abfd, elf_elfheader(abfd)->e_shstrndx, \
strindex)
-#define bfd_elf32_print_symbol bfd_elf_print_symbol
-#define bfd_elf64_print_symbol bfd_elf_print_symbol
-
extern void _bfd_elf_sprintf_vma
(bfd *, char *, bfd_vma);
extern void _bfd_elf_fprintf_vma
(bfd *, void *, bfd_vma);
+extern bfd_byte _bfd_elf_encode_eh_address
+ (bfd *abfd, struct bfd_link_info *info, asection *osec, bfd_vma offset,
+ asection *loc_sec, bfd_vma loc_offset, bfd_vma *encoded);
+extern bfd_boolean _bfd_elf_can_make_relative
+ (bfd *input_bfd, struct bfd_link_info *info, asection *eh_frame_section);
+
extern enum elf_reloc_type_class _bfd_elf_reloc_type_class
(const Elf_Internal_Rela *);
extern bfd_vma _bfd_elf_rela_local_sym
(bfd *);
extern bfd_boolean _bfd_elf_merge_sections
(bfd *, struct bfd_link_info *);
+extern bfd_boolean bfd_elf_is_group_section
+ (bfd *, const struct bfd_section *);
extern bfd_boolean bfd_elf_discard_group
(bfd *, struct bfd_section *);
+extern void _bfd_elf_section_already_linked
+ (bfd *, struct bfd_section *);
extern void bfd_elf_set_group_contents
(bfd *, asection *, void *);
extern void _bfd_elf_link_just_syms
(asection *, struct bfd_link_info *);
+extern bfd_boolean _bfd_elf_copy_private_header_data
+ (bfd *, bfd *);
extern bfd_boolean _bfd_elf_copy_private_symbol_data
(bfd *, asymbol *, bfd *, asymbol *);
extern bfd_boolean _bfd_elf_copy_private_section_data
(bfd *);
extern long _bfd_elf_canonicalize_dynamic_symtab
(bfd *, asymbol **);
+extern long _bfd_elf_get_synthetic_symtab
+ (bfd *, long, asymbol **, long, asymbol **, asymbol **);
extern long _bfd_elf_get_reloc_upper_bound
(bfd *, sec_ptr);
extern long _bfd_elf_canonicalize_reloc
extern bfd_boolean _bfd_elf_merge_symbol
(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);
+ bfd_boolean *, bfd_boolean *, bfd_boolean *);
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, bfd_boolean);
+ bfd_boolean *, bfd_boolean);
extern bfd_boolean _bfd_elf_export_symbol
(struct elf_link_hash_entry *, void *);
extern bfd_boolean _bfd_elf_link_assign_sym_version
(struct elf_link_hash_entry *, void *);
-extern bfd_boolean _bfd_elf_link_record_dynamic_symbol
- (struct bfd_link_info *, struct elf_link_hash_entry *);
extern long _bfd_elf_link_lookup_local_dynindx
(struct bfd_link_info *, bfd *, long);
extern bfd_boolean _bfd_elf_compute_section_file_positions
extern bfd_boolean _bfd_elf_link_create_dynamic_sections
(bfd *, struct bfd_link_info *);
+extern bfd_boolean _bfd_elf_link_omit_section_dynsym
+ (bfd *, struct bfd_link_info *, asection *);
extern bfd_boolean _bfd_elf_create_dynamic_sections
(bfd *, struct bfd_link_info *);
extern bfd_boolean _bfd_elf_create_got_section
extern bfd_boolean _bfd_elf_symbol_refs_local_p
(struct elf_link_hash_entry *, struct bfd_link_info *, bfd_boolean);
+extern bfd_boolean bfd_elf_match_symbols_in_sections
+ (asection *sec1, asection *sec2);
+
+extern bfd_boolean _bfd_elf_setup_group_pointers
+ (bfd *);
+
extern const bfd_target *bfd_elf32_object_p
(bfd *);
extern const bfd_target *bfd_elf32_core_file_p
extern bfd_boolean bfd_elf32_core_file_matches_executable_p
(bfd *, bfd *);
-extern bfd_boolean bfd_elf32_bfd_link_add_symbols
- (bfd *, struct bfd_link_info *);
-extern bfd_boolean bfd_elf32_bfd_final_link
- (bfd *, struct bfd_link_info *);
-
extern void bfd_elf32_swap_symbol_in
(bfd *, const void *, const void *, Elf_Internal_Sym *);
extern void bfd_elf32_swap_symbol_out
(bfd *, asection *, void *);
extern bfd_boolean bfd_elf32_slurp_reloc_table
(bfd *, asection *, asymbol **, bfd_boolean);
-extern bfd_boolean bfd_elf32_add_dynamic_entry
- (struct bfd_link_info *, bfd_vma, bfd_vma);
extern const bfd_target *bfd_elf64_object_p
(bfd *);
(bfd *);
extern bfd_boolean bfd_elf64_core_file_matches_executable_p
(bfd *, bfd *);
-extern bfd_boolean bfd_elf64_bfd_link_add_symbols
- (bfd *, struct bfd_link_info *);
-extern bfd_boolean bfd_elf64_bfd_final_link
- (bfd *, struct bfd_link_info *);
extern void bfd_elf64_swap_symbol_in
(bfd *, const void *, const void *, Elf_Internal_Sym *);
(bfd *, asection *, void *);
extern bfd_boolean bfd_elf64_slurp_reloc_table
(bfd *, asection *, asymbol **, bfd_boolean);
-extern bfd_boolean bfd_elf64_add_dynamic_entry
+
+extern struct elf_link_hash_entry *_bfd_elf_archive_symbol_lookup
+ (bfd *, struct bfd_link_info *, const char *);
+extern bfd_boolean bfd_elf_link_add_symbols
+ (bfd *, struct bfd_link_info *);
+extern bfd_boolean _bfd_elf_add_dynamic_entry
(struct bfd_link_info *, bfd_vma, bfd_vma);
-#define bfd_elf32_link_record_dynamic_symbol \
- _bfd_elf_link_record_dynamic_symbol
-#define bfd_elf64_link_record_dynamic_symbol \
- _bfd_elf_link_record_dynamic_symbol
+extern bfd_boolean bfd_elf_link_record_dynamic_symbol
+ (struct bfd_link_info *, struct elf_link_hash_entry *);
-extern int elf_link_record_local_dynamic_symbol
+extern int bfd_elf_link_record_local_dynamic_symbol
(struct bfd_link_info *, bfd *, long);
-#define _bfd_elf32_link_record_local_dynamic_symbol \
- elf_link_record_local_dynamic_symbol
-#define _bfd_elf64_link_record_local_dynamic_symbol \
- elf_link_record_local_dynamic_symbol
extern bfd_boolean _bfd_elf_close_and_cleanup
(bfd *);
(bfd *, arelent *, struct bfd_symbol *, void *,
asection *, bfd *, char **);
-extern bfd_boolean _bfd_elf32_gc_sections
+extern bfd_boolean bfd_elf_final_link
(bfd *, struct bfd_link_info *);
-extern bfd_boolean _bfd_elf32_gc_common_finalize_got_offsets
- (bfd *, struct bfd_link_info *);
-extern bfd_boolean _bfd_elf32_gc_common_final_link
+
+extern bfd_boolean bfd_elf_gc_sections
(bfd *, struct bfd_link_info *);
-extern bfd_boolean _bfd_elf32_gc_record_vtinherit
+
+extern bfd_boolean bfd_elf_gc_record_vtinherit
(bfd *, asection *, struct elf_link_hash_entry *, bfd_vma);
-extern bfd_boolean _bfd_elf32_gc_record_vtentry
+
+extern bfd_boolean bfd_elf_gc_record_vtentry
(bfd *, asection *, struct elf_link_hash_entry *, bfd_vma);
-extern bfd_boolean _bfd_elf64_gc_sections
- (bfd *, struct bfd_link_info *);
-extern bfd_boolean _bfd_elf64_gc_common_finalize_got_offsets
+extern bfd_boolean _bfd_elf_gc_mark
+ (struct bfd_link_info *, asection *,
+ asection * (*) (asection *, struct bfd_link_info *, Elf_Internal_Rela *,
+ struct elf_link_hash_entry *, Elf_Internal_Sym *));
+
+extern bfd_boolean bfd_elf_gc_common_finalize_got_offsets
(bfd *, struct bfd_link_info *);
-extern bfd_boolean _bfd_elf64_gc_common_final_link
+
+extern bfd_boolean bfd_elf_gc_common_final_link
(bfd *, struct bfd_link_info *);
-extern bfd_boolean _bfd_elf64_gc_record_vtinherit
- (bfd *, asection *, struct elf_link_hash_entry *, bfd_vma);
-extern bfd_boolean _bfd_elf64_gc_record_vtentry
- (bfd *, asection *, struct elf_link_hash_entry *, bfd_vma);
-extern bfd_boolean _bfd_elf32_reloc_symbol_deleted_p
- (bfd_vma, void *);
-extern bfd_boolean _bfd_elf64_reloc_symbol_deleted_p
+extern bfd_boolean bfd_elf_reloc_symbol_deleted_p
(bfd_vma, void *);
/* Exported interface for writing elf corefile notes. */
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. */
+#define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, SHARED, H) \
+ ((DYN) \
+ && ((SHARED) \
+ || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) \
+ && ((H)->dynindx != -1 \
+ || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0))
+
/* This macro is to avoid lots of duplicated code in the body
of xxx_relocate_section() in the various elfxx-xxxx.c files. */
-#define RELOC_FOR_GLOBAL_SYMBOL(h, sym_hashes, r_symndx, symtab_hdr, relocation, sec, unresolved_reloc, info, warned) \
- do \
- { \
- /* It seems this can happen with erroneous or unsupported \
- input (mixing a.out and elf in an archive, for example.) */ \
- if (sym_hashes == NULL) \
- return FALSE; \
- \
- h = sym_hashes[r_symndx - symtab_hdr->sh_info]; \
- \
- while (h->root.type == bfd_link_hash_indirect \
- || h->root.type == bfd_link_hash_warning) \
- h = (struct elf_link_hash_entry *) h->root.u.i.link; \
- \
- warned = FALSE; \
- unresolved_reloc = FALSE; \
- relocation = 0; \
- if (h->root.type == bfd_link_hash_defined \
- || h->root.type == bfd_link_hash_defweak) \
- { \
- sec = h->root.u.def.section; \
- if (sec == NULL \
- || sec->output_section == NULL) \
- /* Set a flag that will be cleared later if we find a \
- relocation value for this symbol. output_section \
- is typically NULL for symbols satisfied by a shared \
- library. */ \
- unresolved_reloc = TRUE; \
- else \
- relocation = (h->root.u.def.value \
- + sec->output_section->vma \
- + sec->output_offset); \
- } \
- else if (h->root.type == bfd_link_hash_undefweak) \
- ; \
- else if (!info->executable \
- && info->unresolved_syms_in_objects == RM_IGNORE \
- && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) \
- ; \
- else \
- { \
- if (! info->callbacks->undefined_symbol \
- (info, h->root.root.string, input_bfd, \
- input_section, rel->r_offset, \
- ((info->shared && info->unresolved_syms_in_shared_libs == RM_GENERATE_ERROR) \
- || (!info->shared && info->unresolved_syms_in_objects == RM_GENERATE_ERROR) \
- || ELF_ST_VISIBILITY (h->other)) \
- )) \
- return FALSE; \
- warned = TRUE; \
- } \
- } \
+#define RELOC_FOR_GLOBAL_SYMBOL(info, input_bfd, input_section, rel, \
+ r_symndx, symtab_hdr, sym_hashes, \
+ h, sec, relocation, \
+ unresolved_reloc, warned) \
+ do \
+ { \
+ /* It seems this can happen with erroneous or unsupported \
+ input (mixing a.out and elf in an archive, for example.) */ \
+ if (sym_hashes == NULL) \
+ return FALSE; \
+ \
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info]; \
+ \
+ while (h->root.type == bfd_link_hash_indirect \
+ || h->root.type == bfd_link_hash_warning) \
+ h = (struct elf_link_hash_entry *) h->root.u.i.link; \
+ \
+ warned = FALSE; \
+ unresolved_reloc = FALSE; \
+ relocation = 0; \
+ if (h->root.type == bfd_link_hash_defined \
+ || h->root.type == bfd_link_hash_defweak) \
+ { \
+ sec = h->root.u.def.section; \
+ if (sec == NULL \
+ || sec->output_section == NULL) \
+ /* Set a flag that will be cleared later if we find a \
+ relocation value for this symbol. output_section \
+ is typically NULL for symbols satisfied by a shared \
+ library. */ \
+ unresolved_reloc = TRUE; \
+ else \
+ relocation = (h->root.u.def.value \
+ + sec->output_section->vma \
+ + sec->output_offset); \
+ } \
+ else if (h->root.type == bfd_link_hash_undefweak) \
+ ; \
+ else if (info->unresolved_syms_in_objects == RM_IGNORE \
+ && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) \
+ ; \
+ else \
+ { \
+ bfd_boolean err; \
+ err = (info->unresolved_syms_in_objects == RM_GENERATE_ERROR \
+ || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT); \
+ if (!info->callbacks->undefined_symbol (info, \
+ h->root.root.string, \
+ input_bfd, \
+ input_section, \
+ rel->r_offset, err)) \
+ return FALSE; \
+ warned = TRUE; \
+ } \
+ } \
while (0)
#endif /* _LIBELF_H_ */
projects / deliverable / binutils-gdb.git / blobdiff