/* BFD back-end data structures for ELF files.
- Copyright (C) 1992, 93, 94, 95, 96, 97, 98, 1999 Free Software
+ Copyright (C) 1992, 93, 94, 95, 96, 97, 98, 1999, 2000 Free Software
Foundation, Inc.
Written by Cygnus Support.
/* Symbol type (STT_NOTYPE, STT_OBJECT, etc.). */
char type;
- /* Symbol st_other value. */
+ /* Symbol st_other value, symbol visibility. */
unsigned char other;
/* Hash value of the name computed using the ELF hash function. */
/* The maximum page size for this backend. */
bfd_vma maxpagesize;
- /* 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
- section. */
- boolean collect;
-
- /* This is true if the linker should ignore changes to the type of a
- symbol. This is true for MIPS ELF because some Irix 5 objects
- record undefined functions as STT_OBJECT although the definitions
- are STT_FUNC. */
- boolean type_change_ok;
-
/* A function to translate an ELF RELA relocation to a BFD arelent
structure. */
void (*elf_info_to_howto) PARAMS ((bfd *, arelent *,
Elf32_Internal_Shdr *,
char *));
+ /* A function to handle unusual program segment types when creating BFD
+ sections from ELF program segments. */
+ boolean (*elf_backend_section_from_phdr) PARAMS ((bfd *,
+ Elf32_Internal_Phdr *,
+ int));
+
/* A function to set up the ELF section header for a BFD section in
preparation for writing it out. This is where the flags and type
fields are set for unusual sections. */
boolean (*) PARAMS ((PTR, const char *,
Elf_Internal_Sym *, asection *))));
+ /* Copy any information related to dynamic linking from a pre-existing
+ symbol IND to a newly created symbol DIR. */
+ void (*elf_backend_copy_indirect_symbol)
+ PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *));
+
+ /* Modify any information related to dynamic linking such that the
+ symbol is not exported. */
+ void (*elf_backend_hide_symbol)
+ PARAMS ((struct elf_link_hash_entry *));
+
/* The swapping table to use when dealing with ECOFF information.
Used for the MIPS ELF .mdebug section. */
const struct ecoff_debug_swap *elf_backend_ecoff_debug_swap;
bfd_vma got_header_size;
bfd_vma plt_header_size;
+ /* 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
+ section. */
+ unsigned collect : 1;
+
+ /* This is true if the linker should ignore changes to the type of a
+ symbol. This is true for MIPS ELF because some Irix 5 objects
+ record undefined functions as STT_OBJECT although the definitions
+ are STT_FUNC. */
+ unsigned type_change_ok : 1;
+
/* Whether the backend may use REL relocations. (Some backends use
both REL and RELA relocations, and this flag is set for those
backends.) */
section. */
unsigned default_use_rela_p : 1;
+ /* True if addresses "naturally" sign extend. This is used when
+ swapping in from Elf32 when BFD64. */
+ unsigned sign_extend_vma : 1;
+
unsigned want_got_plt : 1;
unsigned plt_readonly : 1;
unsigned want_plt_sym : 1;
extern Elf_Internal_Shdr *bfd_elf_find_section PARAMS ((bfd *, char *));
extern boolean _bfd_elf_make_section_from_shdr
PARAMS ((bfd *abfd, Elf_Internal_Shdr *hdr, const char *name));
+extern boolean _bfd_elf_make_section_from_phdr
+ PARAMS ((bfd *abfd, Elf_Internal_Phdr *hdr, int index, const char *typename));
extern struct bfd_hash_entry *_bfd_elf_link_hash_newfunc
PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
extern struct bfd_link_hash_table *_bfd_elf_link_hash_table_create
PARAMS ((bfd *));
+extern void _bfd_elf_link_hash_copy_indirect
+ PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *));
+extern void _bfd_elf_link_hash_hide_symbol
+ PARAMS ((struct elf_link_hash_entry *));
extern boolean _bfd_elf_link_hash_table_init
PARAMS ((struct elf_link_hash_table *, bfd *,
struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
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 void bfd_elf32_write_relocs
+ PARAMS ((bfd *, asection *, PTR));
+extern boolean bfd_elf32_slurp_reloc_table
+ PARAMS ((bfd *, asection *, asymbol **, boolean));
extern boolean bfd_elf32_add_dynamic_entry
PARAMS ((struct bfd_link_info *, bfd_vma, bfd_vma));
extern boolean bfd_elf32_link_create_dynamic_sections
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 void bfd_elf64_write_relocs
+ PARAMS ((bfd *, asection *, PTR));
+extern boolean bfd_elf64_slurp_reloc_table
+ PARAMS ((bfd *, asection *, asymbol **, boolean));
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 *, bfd *, asection *, bfd_byte *,
Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
+/* SH ELF specific routine. */
+
+extern boolean _sh_elf_set_mach_from_flags PARAMS ((bfd *));
+
#endif /* _LIBELF_H_ */
projects / binutils-gdb.git / blobdiff