diff options
Diffstat (limited to 'bfd/elf-bfd.h')
| -rw-r--r-- | bfd/elf-bfd.h | 138 |
1 files changed, 93 insertions, 45 deletions
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h index f2c8075..dcccc48 100644 --- a/bfd/elf-bfd.h +++ b/bfd/elf-bfd.h @@ -3,21 +3,21 @@ 2002 Free Software Foundation, Inc. Written by Cygnus Support. -This file is part of BFD, the Binary File Descriptor library. + This file is part of BFD, the Binary File Descriptor library. -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _LIBELF_H_ #define _LIBELF_H_ 1 @@ -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, @@ -297,6 +303,9 @@ struct elf_link_hash_table /* 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. */ @@ -353,6 +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) @@ -406,8 +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; @@ -490,7 +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. */ @@ -669,10 +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 @@ -702,13 +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. */ @@ -760,6 +770,22 @@ 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) @@ -834,6 +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 @@ -898,8 +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. */ @@ -910,11 +945,16 @@ 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) \ @@ -1180,6 +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 *)); @@ -1229,7 +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 @@ -1241,6 +1285,10 @@ 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 @@ -1419,8 +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 @@ -1472,8 +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 @@ -1514,10 +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 *)); @@ -1553,20 +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*)); +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. */ |