/* BFD back-end data structures for ELF files.
- Copyright (C) 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+ Copyright (C) 1992, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
PTR any;
}
tc_data;
+
+ /* Version information. This is from an Elf_Internal_Versym
+ structure in a SHT_GNU_versym section. It is zero if there is no
+ version information. */
+ unsigned short version;
+
} elf_symbol_type;
\f
/* ELF linker hash table entries. */
from the beginning of the section. */
struct elf_linker_section_pointers *linker_section_pointer;
+ /* Version information. */
+ union
+ {
+ /* This field is used for a symbol which is not defined in a
+ regular object. It points to the version information read in
+ from the dynamic object. */
+ Elf_Internal_Verdef *verdef;
+ /* This field is used for a symbol which is defined in a regular
+ object. It is set up in size_dynamic_sections. It points to
+ the version information we should write out for this symbol. */
+ struct bfd_elf_version_tree *vertree;
+ } verinfo;
+
/* Symbol type (STT_NOTYPE, STT_OBJECT, etc.). */
char type;
+ /* Symbol st_other value. */
+ unsigned char other;
+
/* Some flags; legal values follow. */
- unsigned char elf_link_hash_flags;
+ unsigned short elf_link_hash_flags;
/* Symbol is referenced by a non-shared object. */
#define ELF_LINK_HASH_REF_REGULAR 01
/* Symbol is defined by a non-shared object. */
#define ELF_LINK_HASH_NEEDS_COPY 040
/* Symbol needs a procedure linkage table entry. */
#define ELF_LINK_HASH_NEEDS_PLT 0100
+ /* Symbol appears in a non-ELF input file. */
+#define ELF_LINK_NON_ELF 0200
+ /* Symbol should be marked as hidden in the version information. */
+#define ELF_LINK_HIDDEN 0400
};
/* ELF linker hash table. */
/* A linked list of DT_NEEDED names found in dynamic objects
included in the link. */
struct bfd_link_needed_list *needed;
+ /* The _GLOBAL_OFFSET_TABLE_ symbol. */
+ struct elf_link_hash_entry *hgot;
+ /* A pointer to information used to link stabs in sections. */
+ PTR stab_info;
};
/* Look up an entry in an ELF linker hash table. */
unsigned char arch_size, file_align;
unsigned char elfclass, ev_current;
- int (*write_out_phdrs) PARAMS ((bfd *, Elf_Internal_Phdr *, int));
+ int (*write_out_phdrs) PARAMS ((bfd *, const Elf_Internal_Phdr *, int));
boolean (*write_shdrs_and_ehdr) PARAMS ((bfd *));
void (*write_relocs) PARAMS ((bfd *, asection *, PTR));
- void (*swap_symbol_out) PARAMS ((bfd *, Elf_Internal_Sym *, PTR));
- boolean (*slurp_reloc_table) PARAMS ((bfd *, asection *, asymbol **));
+ void (*swap_symbol_out) PARAMS ((bfd *, const Elf_Internal_Sym *, PTR));
+ boolean (*slurp_reloc_table)
+ PARAMS ((bfd *, asection *, asymbol **, boolean));
long (*slurp_symbol_table) PARAMS ((bfd *, asymbol **, boolean));
void (*swap_dyn_in) PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *));
};
boolean (*elf_backend_adjust_dynamic_symbol)
PARAMS ((struct bfd_link_info *info, struct elf_link_hash_entry *h));
+ /* The ALWAYS_SIZE_SECTIONS function is called by the backend linker
+ after all the linker input files have been seen but before the
+ section sizes have been set. This is called after
+ ADJUST_DYNAMIC_SYMBOL, but before SIZE_DYNAMIC_SECTIONS. */
+ boolean (*elf_backend_always_size_sections)
+ PARAMS ((bfd *output_bfd, struct bfd_link_info *info));
+
/* The SIZE_DYNAMIC_SECTIONS function is called by the ELF backend
linker after all the linker input files have been seen but before
the sections sizes have been set. This is called after
unsigned want_got_plt : 1;
unsigned plt_readonly : 1;
unsigned want_plt_sym : 1;
-
- /* Put ELF and program headers in the first loadable segment. */
- unsigned want_hdr_in_seg : 1;
};
/* Information stored for each BFD section in an ELF file. This
/* The ELF header for the reloc section associated with this
section, if any. */
Elf_Internal_Shdr rel_hdr;
+ /* If there is a second reloc section associated with this section,
+ as can happen on Irix 6, this field points to the header. */
+ Elf_Internal_Shdr *rel_hdr2;
/* The ELF section number of this section. Only used for an output
file. */
int this_idx;
record the dynamic symbol index for a section symbol
corresponding to this section. */
long dynindx;
+ /* A pointer used for .stab linking optimizations. */
+ PTR stab_info;
/* A pointer available for the processor specific ELF backend. */
PTR tdata;
};
Elf_Internal_Shdr strtab_hdr;
Elf_Internal_Shdr dynsymtab_hdr;
Elf_Internal_Shdr dynstrtab_hdr;
+ Elf_Internal_Shdr dynversym_hdr;
+ Elf_Internal_Shdr dynverref_hdr;
+ Elf_Internal_Shdr dynverdef_hdr;
unsigned int symtab_section, shstrtab_section;
unsigned int strtab_section, dynsymtab_section;
+ unsigned int dynversym_section, dynverdef_section, dynverref_section;
file_ptr next_file_pos;
void *prstatus; /* The raw /proc prstatus structure */
void *prpsinfo; /* The raw /proc prpsinfo structure */
/* The linker ELF emulation code needs to let the backend ELF linker
know what filename should be used for a dynamic object if the
- dynamic object is found using a search. This field is used to
- hold that information. */
- const char *dt_needed_name;
+ dynamic object is found using a search. The emulation code then
+ sometimes needs to know what name was actually used. Until the
+ file has been added to the linker symbol table, this field holds
+ the name the linker wants. After it has been added, it holds the
+ name actually used, which will be the DT_SONAME entry if there is
+ one. */
+ const char *dt_name;
/* Irix 5 often screws up the symbol table, sorting local symbols
after global symbols. This flag is set if the symbol table in
find_nearest_line. */
struct mips_elf_find_line *find_line_info;
+ /* An array of stub sections indexed by symbol number, used by the
+ MIPS ELF linker. FIXME: We should figure out some way to only
+ include this field for a MIPS ELF target. */
+ asection **local_stubs;
+
/* Used to determine if the e_flags field has been initialized */
boolean flags_init;
+ /* Number of symbol version definitions we are about to emit. */
+ int cverdefs;
+
+ /* Number of symbol version references we are about to emit. */
+ int cverrefs;
+
+ /* Symbol version definitions in external objects. */
+ Elf_Internal_Verdef *verdef;
+
+ /* Symbol version references to external objects. */
+ Elf_Internal_Verneed *verref;
+
/* Linker sections that we are interested in. */
struct elf_linker_section *linker_section[ (int)LINKER_SECTION_MAX ];
};
#define elf_shstrtab(bfd) (elf_tdata(bfd) -> strtab_ptr)
#define elf_onesymtab(bfd) (elf_tdata(bfd) -> symtab_section)
#define elf_dynsymtab(bfd) (elf_tdata(bfd) -> dynsymtab_section)
+#define elf_dynversym(bfd) (elf_tdata(bfd) -> dynversym_section)
+#define elf_dynverdef(bfd) (elf_tdata(bfd) -> dynverdef_section)
+#define elf_dynverref(bfd) (elf_tdata(bfd) -> dynverref_section)
#define elf_num_locals(bfd) (elf_tdata(bfd) -> num_locals)
#define elf_num_globals(bfd) (elf_tdata(bfd) -> num_globals)
#define elf_section_syms(bfd) (elf_tdata(bfd) -> section_syms)
#define elf_sym_hashes(bfd) (elf_tdata(bfd) -> sym_hashes)
#define elf_local_got_offsets(bfd) (elf_tdata(bfd) -> local_got_offsets)
#define elf_local_ptr_offsets(bfd) (elf_tdata(bfd) -> linker_section_pointers)
-#define elf_dt_needed_name(bfd) (elf_tdata(bfd) -> dt_needed_name)
+#define elf_dt_name(bfd) (elf_tdata(bfd) -> dt_name)
#define elf_bad_symtab(bfd) (elf_tdata(bfd) -> bad_symtab)
#define elf_flags_init(bfd) (elf_tdata(bfd) -> flags_init)
#define elf_linker_section(bfd,n) (elf_tdata(bfd) -> linker_section[(int)n])
\f
+extern void _bfd_elf_swap_verdef_in
+ PARAMS ((bfd *, const Elf_External_Verdef *, Elf_Internal_Verdef *));
+extern void _bfd_elf_swap_verdef_out
+ PARAMS ((bfd *, const Elf_Internal_Verdef *, Elf_External_Verdef *));
+extern void _bfd_elf_swap_verdaux_in
+ PARAMS ((bfd *, const Elf_External_Verdaux *, Elf_Internal_Verdaux *));
+extern void _bfd_elf_swap_verdaux_out
+ PARAMS ((bfd *, const Elf_Internal_Verdaux *, Elf_External_Verdaux *));
+extern void _bfd_elf_swap_verneed_in
+ PARAMS ((bfd *, const Elf_External_Verneed *, Elf_Internal_Verneed *));
+extern void _bfd_elf_swap_verneed_out
+ PARAMS ((bfd *, const Elf_Internal_Verneed *, Elf_External_Verneed *));
+extern void _bfd_elf_swap_vernaux_in
+ PARAMS ((bfd *, const Elf_External_Vernaux *, Elf_Internal_Vernaux *));
+extern void _bfd_elf_swap_vernaux_out
+ PARAMS ((bfd *, const Elf_Internal_Vernaux *, Elf_External_Vernaux *));
+extern void _bfd_elf_swap_versym_in
+ PARAMS ((bfd *, const Elf_External_Versym *, Elf_Internal_Versym *));
+extern void _bfd_elf_swap_versym_out
+ PARAMS ((bfd *, const Elf_Internal_Versym *, Elf_External_Versym *));
+
extern int _bfd_elf_section_from_bfd_section PARAMS ((bfd *, asection *));
extern char *bfd_elf_string_from_elf_section
PARAMS ((bfd *, unsigned, unsigned));
#define bfd_elf32_print_symbol bfd_elf_print_symbol
#define bfd_elf64_print_symbol bfd_elf_print_symbol
-#define bfd_elf32_mkobject bfd_elf_mkobject
-#define bfd_elf64_mkobject bfd_elf_mkobject
-#define elf_mkobject bfd_elf_mkobject
extern unsigned long bfd_elf_hash PARAMS ((CONST unsigned char *));
struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
struct bfd_hash_table *,
const char *)));
+extern boolean _bfd_elf_slurp_version_tables PARAMS ((bfd *));
extern boolean _bfd_elf_copy_private_symbol_data
PARAMS ((bfd *, asymbol *, bfd *, asymbol *));
extern long _bfd_elf_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr));
extern long _bfd_elf_canonicalize_reloc PARAMS ((bfd *, sec_ptr,
arelent **, asymbol **));
+extern long _bfd_elf_get_dynamic_reloc_upper_bound PARAMS ((bfd *));
+extern long _bfd_elf_canonicalize_dynamic_reloc PARAMS ((bfd *, arelent **,
+ asymbol **));
extern asymbol *_bfd_elf_make_empty_symbol PARAMS ((bfd *));
extern void _bfd_elf_get_symbol_info PARAMS ((bfd *, asymbol *,
symbol_info *));
+extern boolean _bfd_elf_is_local_label_name PARAMS ((bfd *, const char *));
extern alent *_bfd_elf_get_lineno PARAMS ((bfd *, asymbol *));
extern boolean _bfd_elf_set_arch_mach PARAMS ((bfd *, enum bfd_architecture,
unsigned long));
extern void _bfd_elf_no_info_to_howto PARAMS ((bfd *, arelent *,
Elf_Internal_Rela *));
+extern boolean bfd_section_from_shdr PARAMS ((bfd *, unsigned int shindex));
+extern boolean bfd_section_from_phdr PARAMS ((bfd *, Elf_Internal_Phdr *, int));
+
+extern int _bfd_elf_symbol_from_bfd_symbol PARAMS ((bfd *, asymbol **));
+
asection *bfd_section_from_elf_index PARAMS ((bfd *, unsigned int));
boolean _bfd_elf_create_dynamic_sections PARAMS ((bfd *,
struct bfd_link_info *));
file_ptr,
boolean));
+extern boolean _bfd_elf_validate_reloc PARAMS ((bfd *, arelent *));
+
boolean _bfd_elf_create_dynamic_sections PARAMS ((bfd *,
struct bfd_link_info *));
boolean _bfd_elf_create_got_section PARAMS ((bfd *,
PARAMS ((bfd *, struct bfd_link_info *));
extern void bfd_elf32_swap_symbol_in
- PARAMS ((bfd *, Elf32_External_Sym *, Elf_Internal_Sym *));
+ PARAMS ((bfd *, const Elf32_External_Sym *, Elf_Internal_Sym *));
extern void bfd_elf32_swap_symbol_out
- PARAMS ((bfd *, Elf_Internal_Sym *, PTR));
+ PARAMS ((bfd *, const Elf_Internal_Sym *, PTR));
extern void bfd_elf32_swap_reloc_in
- PARAMS ((bfd *, Elf32_External_Rel *, Elf_Internal_Rel *));
+ PARAMS ((bfd *, const Elf32_External_Rel *, Elf_Internal_Rel *));
extern void bfd_elf32_swap_reloc_out
- PARAMS ((bfd *, Elf_Internal_Rel *, Elf32_External_Rel *));
+ PARAMS ((bfd *, const Elf_Internal_Rel *, Elf32_External_Rel *));
extern void bfd_elf32_swap_reloca_in
- PARAMS ((bfd *, Elf32_External_Rela *, Elf_Internal_Rela *));
+ PARAMS ((bfd *, const Elf32_External_Rela *, Elf_Internal_Rela *));
extern void bfd_elf32_swap_reloca_out
- PARAMS ((bfd *, Elf_Internal_Rela *, Elf32_External_Rela *));
+ PARAMS ((bfd *, const Elf_Internal_Rela *, Elf32_External_Rela *));
extern void bfd_elf32_swap_phdr_in
- PARAMS ((bfd *, Elf32_External_Phdr *, Elf_Internal_Phdr *));
+ PARAMS ((bfd *, const Elf32_External_Phdr *, Elf_Internal_Phdr *));
extern void bfd_elf32_swap_phdr_out
- PARAMS ((bfd *, Elf_Internal_Phdr *, Elf32_External_Phdr *));
+ PARAMS ((bfd *, const Elf_Internal_Phdr *, Elf32_External_Phdr *));
extern void bfd_elf32_swap_dyn_in
PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *));
extern void bfd_elf32_swap_dyn_out
PARAMS ((bfd *, const Elf_Internal_Dyn *, Elf32_External_Dyn *));
+extern long bfd_elf32_slurp_symbol_table
+ PARAMS ((bfd *, asymbol **, boolean));
+extern boolean bfd_elf32_write_shdrs_and_ehdr PARAMS ((bfd *));
+extern int bfd_elf32_write_out_phdrs
+ PARAMS ((bfd *, const Elf_Internal_Phdr *, int));
extern boolean bfd_elf32_add_dynamic_entry
PARAMS ((struct bfd_link_info *, bfd_vma, bfd_vma));
extern 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 *, boolean));
extern const bfd_target *bfd_elf64_object_p PARAMS ((bfd *));
extern const bfd_target *bfd_elf64_core_file_p PARAMS ((bfd *));
PARAMS ((bfd *, struct bfd_link_info *));
extern void bfd_elf64_swap_symbol_in
- PARAMS ((bfd *, Elf64_External_Sym *, Elf_Internal_Sym *));
+ PARAMS ((bfd *, const Elf64_External_Sym *, Elf_Internal_Sym *));
extern void bfd_elf64_swap_symbol_out
- PARAMS ((bfd *, Elf_Internal_Sym *, PTR));
+ PARAMS ((bfd *, const Elf_Internal_Sym *, PTR));
extern void bfd_elf64_swap_reloc_in
- PARAMS ((bfd *, Elf64_External_Rel *, Elf_Internal_Rel *));
+ PARAMS ((bfd *, const Elf64_External_Rel *, Elf_Internal_Rel *));
extern void bfd_elf64_swap_reloc_out
- PARAMS ((bfd *, Elf_Internal_Rel *, Elf64_External_Rel *));
+ PARAMS ((bfd *, const Elf_Internal_Rel *, Elf64_External_Rel *));
extern void bfd_elf64_swap_reloca_in
- PARAMS ((bfd *, Elf64_External_Rela *, Elf_Internal_Rela *));
+ PARAMS ((bfd *, const Elf64_External_Rela *, Elf_Internal_Rela *));
extern void bfd_elf64_swap_reloca_out
- PARAMS ((bfd *, Elf_Internal_Rela *, Elf64_External_Rela *));
+ PARAMS ((bfd *, const Elf_Internal_Rela *, Elf64_External_Rela *));
extern void bfd_elf64_swap_phdr_in
- PARAMS ((bfd *, Elf64_External_Phdr *, Elf_Internal_Phdr *));
+ PARAMS ((bfd *, const Elf64_External_Phdr *, Elf_Internal_Phdr *));
extern void bfd_elf64_swap_phdr_out
- PARAMS ((bfd *, Elf_Internal_Phdr *, Elf64_External_Phdr *));
+ PARAMS ((bfd *, const Elf_Internal_Phdr *, Elf64_External_Phdr *));
extern void bfd_elf64_swap_dyn_in
PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *));
extern void bfd_elf64_swap_dyn_out
PARAMS ((bfd *, const Elf_Internal_Dyn *, Elf64_External_Dyn *));
+extern long bfd_elf64_slurp_symbol_table
+ PARAMS ((bfd *, asymbol **, boolean));
+extern boolean bfd_elf64_write_shdrs_and_ehdr PARAMS ((bfd *));
+extern int bfd_elf64_write_out_phdrs
+ PARAMS ((bfd *, const Elf_Internal_Phdr *, int));
extern boolean bfd_elf64_add_dynamic_entry
PARAMS ((struct bfd_link_info *, bfd_vma, bfd_vma));
extern 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 *, boolean));
#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
+/* MIPS ELF specific routines. */
+
+extern boolean _bfd_mips_elf_object_p PARAMS ((bfd *));
+extern boolean _bfd_mips_elf_section_from_shdr
+ PARAMS ((bfd *, Elf_Internal_Shdr *, const char *));
+extern boolean _bfd_mips_elf_fake_sections
+ PARAMS ((bfd *, Elf_Internal_Shdr *, asection *));
+extern boolean _bfd_mips_elf_section_from_bfd_section
+ PARAMS ((bfd *, Elf_Internal_Shdr *, asection *, int *));
+extern boolean _bfd_mips_elf_section_processing
+ PARAMS ((bfd *, Elf_Internal_Shdr *));
+extern void _bfd_mips_elf_symbol_processing PARAMS ((bfd *, asymbol *));
+extern boolean _bfd_mips_elf_read_ecoff_info
+ PARAMS ((bfd *, asection *, struct ecoff_debug_info *));
+extern void _bfd_mips_elf_final_write_processing PARAMS ((bfd *, boolean));
+extern bfd_reloc_status_type _bfd_mips_elf_hi16_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+extern bfd_reloc_status_type _bfd_mips_elf_lo16_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+extern bfd_reloc_status_type _bfd_mips_elf_gprel16_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+extern bfd_reloc_status_type _bfd_mips_elf_got16_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+extern bfd_reloc_status_type _bfd_mips_elf_gprel32_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+extern boolean _bfd_mips_elf_set_private_flags PARAMS ((bfd *, flagword));
+extern boolean _bfd_mips_elf_copy_private_bfd_data PARAMS ((bfd *, bfd *));
+extern boolean _bfd_mips_elf_merge_private_bfd_data PARAMS ((bfd *, bfd *));
+extern boolean _bfd_mips_elf_find_nearest_line
+ PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
+ const char **, unsigned int *));
+extern boolean _bfd_mips_elf_set_section_contents
+ PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
+
#endif /* _LIBELF_H_ */
projects / binutils-gdb.git / blobdiff