diff options
Diffstat (limited to 'contrib/binutils/bfd/elf-bfd.h')
| -rw-r--r-- | contrib/binutils/bfd/elf-bfd.h | 230 |
1 files changed, 114 insertions, 116 deletions
diff --git a/contrib/binutils/bfd/elf-bfd.h b/contrib/binutils/bfd/elf-bfd.h index d10fda9..4c7e2f6 100644 --- a/contrib/binutils/bfd/elf-bfd.h +++ b/contrib/binutils/bfd/elf-bfd.h @@ -223,6 +223,12 @@ struct elf_link_local_dynamic_entry Elf_Internal_Sym isym; }; +struct elf_link_loaded_list +{ + struct elf_link_loaded_list *next; + bfd *abfd; +}; + enum elf_link_info_type { ELF_INFO_TYPE_NONE, @@ -230,9 +236,18 @@ enum elf_link_info_type ELF_INFO_TYPE_MERGE, ELF_INFO_TYPE_EH_FRAME, ELF_INFO_TYPE_EH_FRAME_HDR, + ELF_INFO_TYPE_JUST_SYMS, ELF_INFO_TYPE_LAST }; +/* Cached start, size and alignment of PT_TLS segment. */ +struct elf_link_tls_segment +{ + bfd_vma start; + bfd_size_type size; + unsigned int align; +}; + /* ELF linker hash table. */ struct elf_link_hash_table @@ -285,6 +300,12 @@ struct elf_link_hash_table /* A linked list of DT_RPATH/DT_RUNPATH names found in dynamic objects included in the link. */ struct bfd_link_needed_list *runpath; + + /* Cached start, size and alignment of PT_TLS segment. */ + struct elf_link_tls_segment *tls_segment; + + /* A linked list of BFD's loaded in the link. */ + struct elf_link_loaded_list *loaded; }; /* Look up an entry in an ELF linker hash table. */ @@ -341,6 +362,8 @@ struct elf_size_info { PARAMS ((bfd *)); void (*write_relocs) PARAMS ((bfd *, asection *, PTR)); + void (*swap_symbol_in) + PARAMS ((bfd *, const PTR, const PTR, Elf_Internal_Sym *)); void (*swap_symbol_out) PARAMS ((bfd *, const Elf_Internal_Sym *, PTR, PTR)); boolean (*slurp_reloc_table) @@ -394,8 +417,7 @@ enum elf_reloc_type_class { struct elf_reloc_cookie { Elf_Internal_Rela *rels, *rel, *relend; - PTR locsyms; - PTR locsym_shndx; + Elf_Internal_Sym *locsyms; bfd *abfd; size_t locsymcount; size_t extsymoff; @@ -403,6 +425,14 @@ struct elf_reloc_cookie boolean bad_symtab; }; +/* The level of IRIX compatibility we're striving for. */ + +typedef enum { + ict_none, + ict_irix5, + ict_irix6 +} irix_compat_t; + struct elf_backend_data { /* The architecture for this backend. */ @@ -470,7 +500,7 @@ struct elf_backend_data /* A function to handle unusual section types when creating BFD sections from ELF sections. */ boolean (*elf_backend_section_from_shdr) - PARAMS ((bfd *, Elf32_Internal_Shdr *, char *)); + PARAMS ((bfd *, Elf32_Internal_Shdr *, const char *)); /* A function to convert machine dependent section header flags to BFD internal section header flags. */ @@ -649,10 +679,9 @@ struct elf_backend_data PARAMS ((bfd *)); /* This function is called during section gc to discover the section a - particular relocation refers to. It need not be defined for hosts - that have no queer relocation types. */ + particular relocation refers to. */ asection * (*gc_mark_hook) - PARAMS ((bfd *abfd, struct bfd_link_info *, Elf_Internal_Rela *, + PARAMS ((asection *sec, struct bfd_link_info *, Elf_Internal_Rela *, struct elf_link_hash_entry *h, Elf_Internal_Sym *)); /* This function, if defined, is called during the sweep phase of gc @@ -682,13 +711,14 @@ struct elf_backend_data PARAMS ((bfd *, struct bfd_link_info *, PTR, boolean (*) (PTR, const char *, Elf_Internal_Sym *, asection *))); - /* Copy any information related to dynamic linking from a pre-existing + /* Copy any information related to dynamic linking from a pre-existing symbol to a newly created symbol. Also called to copy flags and other back-end info to a weakdef, in which case the symbol is not newly created and plt/got refcounts and dynamic indices should not be copied. */ void (*elf_backend_copy_indirect_symbol) - PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *)); + PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *, + struct elf_link_hash_entry *)); /* Modify any information related to dynamic linking such that the symbol is not exported. */ @@ -697,7 +727,7 @@ struct elf_backend_data /* Emit relocations. Overrides default routine for emitting relocs, except during a relocatable link, or if all relocs are being emitted. */ - void (*elf_backend_emit_relocs) + boolean (*elf_backend_emit_relocs) PARAMS ((bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *)); /* Count relocations. Not called for relocatable links @@ -740,6 +770,30 @@ struct elf_backend_data boolean (*elf_backend_write_section) PARAMS ((bfd *, asection *, bfd_byte *)); + /* This function, if defined, sets up the file positions for non PT_LOAD + segments, especially for segments containing non-allocated sections. */ + void (*set_nonloadable_filepos) + PARAMS ((bfd *, Elf_Internal_Phdr *)); + + /* This function, if defined, returns true if the section is contained + within the segment. File positions are compared. */ + boolean (*is_contained_by_filepos) + PARAMS ((asection *, Elf_Internal_Phdr *)); + + /* This function, if defined, returns true if copy_private_bfd_data + should be called. It provides a way of overriding default + test conditions in _bfd_elf_copy_private_section_data. */ + boolean (*copy_private_bfd_data_p) + PARAMS ((bfd *, asection *, bfd *, asection *)); + + /* The level of IRIX compatibility we're striving for. + MIPS ELF specific function. */ + irix_compat_t (*elf_backend_mips_irix_compat) + PARAMS ((bfd *)); + + reloc_howto_type *(*elf_backend_mips_rtype_to_howto) + PARAMS ((unsigned int, boolean)); + /* 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; @@ -806,6 +860,10 @@ struct elf_backend_data unsigned can_refcount : 1; unsigned want_got_sym : 1; unsigned want_dynbss : 1; + /* Targets which do not support physical addressing often require + that the p_paddr field in the section header to be set to zero. + This field indicates whether this behavior is required. */ + unsigned want_p_paddr_set_to_zero : 1; }; /* Information stored for each BFD section in an ELF file. This @@ -870,8 +928,13 @@ struct bfd_elf_section_data /* Type of that information. */ enum elf_link_info_type sec_info_type; - /* Group name, if this section is part of a group. */ - const char *group_name; + union { + /* Group name, if this section is a member of a group. */ + const char *name; + + /* Group signature sym, if this is the SHT_GROUP section. */ + struct symbol_cache_entry *id; + } group; /* A linked list of sections in the group. Circular when used by the linker. */ @@ -882,17 +945,23 @@ struct bfd_elf_section_data /* Nonzero if this section uses RELA relocations, rather than REL. */ unsigned int use_rela_p:1; + + /* Nonzero when a group is COMDAT. */ + unsigned int linkonce_p:1; }; #define elf_section_data(sec) ((struct bfd_elf_section_data*)sec->used_by_bfd) -#define elf_group_name(sec) (elf_section_data(sec)->group_name) +#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_linkonce_p(sec) (elf_section_data(sec)->linkonce_p) /* Return true if section has been discarded. */ #define elf_discarded_section(sec) \ (!bfd_is_abs_section(sec) \ && bfd_is_abs_section((sec)->output_section) \ - && elf_section_data (sec)->sec_info_type != ELF_INFO_TYPE_MERGE) + && elf_section_data (sec)->sec_info_type != ELF_INFO_TYPE_MERGE \ + && elf_section_data (sec)->sec_info_type != ELF_INFO_TYPE_JUST_SYMS) #define get_elf_backend_data(abfd) \ ((struct elf_backend_data *) (abfd)->xvec->backend_data) @@ -1151,6 +1220,9 @@ extern char *bfd_elf_string_from_elf_section PARAMS ((bfd *, unsigned, unsigned)); extern char *bfd_elf_get_str_section PARAMS ((bfd *, unsigned)); +extern Elf_Internal_Sym *bfd_elf_get_elf_syms + PARAMS ((bfd *, Elf_Internal_Shdr *, size_t, size_t, + Elf_Internal_Sym *, PTR, Elf_External_Sym_Shndx *)); extern boolean _bfd_elf_copy_private_bfd_data PARAMS ((bfd *, bfd *)); @@ -1200,7 +1272,8 @@ extern struct bfd_hash_entry *_bfd_elf_link_hash_newfunc 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 *)); + PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *, + struct elf_link_hash_entry *)); extern void _bfd_elf_link_hash_hide_symbol PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *, boolean)); extern boolean _bfd_elf_link_hash_table_init @@ -1210,10 +1283,14 @@ extern boolean _bfd_elf_link_hash_table_init const char *))); extern boolean _bfd_elf_slurp_version_tables PARAMS ((bfd *)); - extern boolean _bfd_elf_merge_sections PARAMS ((bfd *, struct bfd_link_info *)); - +extern boolean bfd_elf_discard_group + PARAMS ((bfd *, struct sec *)); +extern void bfd_elf_set_group_contents + PARAMS ((bfd *, asection *, PTR)); +extern void _bfd_elf_link_just_syms + PARAMS ((asection *, struct bfd_link_info *)); extern boolean _bfd_elf_copy_private_symbol_data PARAMS ((bfd *, asymbol *, bfd *, asymbol *)); extern boolean _bfd_elf_copy_private_section_data @@ -1390,8 +1467,7 @@ extern boolean bfd_elf32_bfd_final_link PARAMS ((bfd *, struct bfd_link_info *)); extern void bfd_elf32_swap_symbol_in - PARAMS ((bfd *, const Elf32_External_Sym *, const Elf_External_Sym_Shndx *, - Elf_Internal_Sym *)); + PARAMS ((bfd *, const PTR, const PTR, Elf_Internal_Sym *)); extern void bfd_elf32_swap_symbol_out PARAMS ((bfd *, const Elf_Internal_Sym *, PTR, PTR)); extern void bfd_elf32_swap_reloc_in @@ -1443,8 +1519,7 @@ extern boolean bfd_elf64_bfd_final_link PARAMS ((bfd *, struct bfd_link_info *)); extern void bfd_elf64_swap_symbol_in - PARAMS ((bfd *, const Elf64_External_Sym *, const Elf_External_Sym_Shndx *, - Elf_Internal_Sym *)); + PARAMS ((bfd *, const PTR, const PTR, Elf_Internal_Sym *)); extern void bfd_elf64_swap_symbol_out PARAMS ((bfd *, const Elf_Internal_Sym *, PTR, PTR)); extern void bfd_elf64_swap_reloc_in @@ -1485,10 +1560,12 @@ extern Elf_Internal_Rela *_bfd_elf64_link_read_relocs #define bfd_elf64_link_record_dynamic_symbol \ _bfd_elf_link_record_dynamic_symbol -extern boolean _bfd_elf32_link_record_local_dynamic_symbol - PARAMS ((struct bfd_link_info *, bfd *, long)); -extern boolean _bfd_elf64_link_record_local_dynamic_symbol +extern int elf_link_record_local_dynamic_symbol PARAMS ((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 boolean _bfd_elf_close_and_cleanup PARAMS ((bfd *)); @@ -1524,99 +1601,20 @@ extern boolean _bfd_elf64_reloc_symbol_deleted_p PARAMS ((bfd_vma, PTR)); /* Exported interface for writing elf corefile notes. */ -extern char *elfcore_write_note - PARAMS ((bfd *, char *, int *, char *, int, void *, int)); -extern char *elfcore_write_prpsinfo - PARAMS ((bfd *, char *, int *, char *, char *)); -extern char *elfcore_write_prstatus - PARAMS ((bfd *, char *, int *, long, int, void *)); -extern char * elfcore_write_pstatus - PARAMS ((bfd *, char *, int *, long, int, void *)); -extern char *elfcore_write_prfpreg - PARAMS ((bfd *, char *, int *, void *, int)); -extern char *elfcore_write_prxfpreg - PARAMS ((bfd *, char *, int *, void *, int)); -extern char *elfcore_write_lwpstatus - PARAMS ((bfd*, char*, int*, long, int, void*)); - -/* 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 *, 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 *, 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_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)); -extern boolean _bfd_mips_elf_create_dynamic_sections - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean _bfd_mips_elf_add_symbol_hook - PARAMS ((bfd *, struct bfd_link_info *, const Elf_Internal_Sym *, - const char **, flagword *, asection **, bfd_vma *)); -extern boolean _bfd_mips_elf_adjust_dynamic_symbol - PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); -extern boolean _bfd_mips_elf_finish_dynamic_symbol - PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, - Elf_Internal_Sym *)); -extern boolean _bfd_mips_elf_finish_dynamic_sections - PARAMS ((bfd *, struct bfd_link_info *)); -extern asection * _bfd_mips_elf_gc_mark_hook - PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Rela *, - struct elf_link_hash_entry *, Elf_Internal_Sym *)); -extern boolean _bfd_mips_elf_gc_sweep_hook - PARAMS ((bfd *, struct bfd_link_info *, asection *, - const Elf_Internal_Rela *)); -extern boolean _bfd_mips_elf_always_size_sections - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean _bfd_mips_elf_size_dynamic_sections - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean _bfd_mips_elf_check_relocs - PARAMS ((bfd *, struct bfd_link_info *, asection *, - const Elf_Internal_Rela *)); -extern struct bfd_link_hash_table *_bfd_mips_elf_link_hash_table_create - PARAMS ((bfd *)); -extern boolean _bfd_mips_elf_print_private_bfd_data - PARAMS ((bfd *, PTR)); -extern boolean _bfd_mips_elf_link_output_symbol_hook - PARAMS ((bfd *, struct bfd_link_info *, const char *, Elf_Internal_Sym *, - asection *)); -extern boolean _bfd_mips_elf_final_link - PARAMS ((bfd *, struct bfd_link_info *)); -extern int _bfd_mips_elf_additional_program_headers - PARAMS ((bfd *)); -extern boolean _bfd_mips_elf_modify_segment_map - PARAMS ((bfd *)); -extern boolean _bfd_mips_elf_relocate_section - PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, - Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); +extern char *elfcore_write_note + PARAMS ((bfd *, char *, int *, const char *, int, const PTR, int)); +extern char *elfcore_write_prpsinfo + PARAMS ((bfd *, char *, int *, const char *, const char *)); +extern char *elfcore_write_prstatus + PARAMS ((bfd *, char *, int *, long, int, const PTR)); +extern char * elfcore_write_pstatus + PARAMS ((bfd *, char *, int *, long, int, const PTR)); +extern char *elfcore_write_prfpreg + PARAMS ((bfd *, char *, int *, const PTR, int)); +extern char *elfcore_write_prxfpreg + PARAMS ((bfd *, char *, int *, const PTR, int)); +extern char *elfcore_write_lwpstatus + PARAMS ((bfd *, char *, int *, long, int, const PTR)); /* SH ELF specific routine. */ |
