diff options
Diffstat (limited to 'contrib/binutils/bfd/elf-bfd.h')
-rw-r--r-- | contrib/binutils/bfd/elf-bfd.h | 1374 |
1 files changed, 764 insertions, 610 deletions
diff --git a/contrib/binutils/bfd/elf-bfd.h b/contrib/binutils/bfd/elf-bfd.h index 9417623..110dd69 100644 --- a/contrib/binutils/bfd/elf-bfd.h +++ b/contrib/binutils/bfd/elf-bfd.h @@ -1,23 +1,23 @@ /* BFD back-end data structures for ELF files. Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, - 2002 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. + 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 @@ -33,20 +33,17 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define NUM_SHDR_ENTRIES(shdr) ((shdr)->sh_size / (shdr)->sh_entsize) /* If size isn't specified as 64 or 32, NAME macro should fail. */ -/* Do not "beautify" the CONCAT* macro args. Traditional C will not - remove whitespace added here, and thus will fail to concatenate - the tokens. */ #ifndef NAME -#if ARCH_SIZE==64 -#define NAME(x,y) CONCAT4 (x,64,_,y) +#if ARCH_SIZE == 64 +#define NAME(x, y) x ## 64 ## _ ## y #endif -#if ARCH_SIZE==32 -#define NAME(x,y) CONCAT4 (x,32,_,y) +#if ARCH_SIZE == 32 +#define NAME(x, y) x ## 32 ## _ ## y #endif #endif #ifndef NAME -#define NAME(x,y) CONCAT4 (x,NOSIZE,_,y) +#define NAME(x, y) x ## NOSIZE ## _ ## y #endif #define ElfNAME(X) NAME(Elf,X) @@ -67,8 +64,8 @@ typedef struct union { unsigned int hppa_arg_reloc; - PTR mips_extr; - PTR any; + void *mips_extr; + void *any; } tc_data; @@ -80,6 +77,8 @@ typedef struct } elf_symbol_type; struct elf_strtab_hash; +struct got_entry; +struct plt_entry; /* ELF linker hash table entries. */ @@ -116,11 +115,6 @@ struct elf_link_hash_entry one. Otherwise it is NULL. */ struct elf_link_hash_entry *weakdef; - /* If this symbol is used in the linker created sections, the processor - specific backend uses this field to map the field into the offset - from the beginning of the section. */ - struct elf_linker_section_pointers *linker_section_pointer; - /* Version information. */ union { @@ -139,30 +133,30 @@ struct elf_link_hash_entry and track a size while the symbol is still undefined. It is indexed via offset/sizeof(target_void_pointer). */ size_t vtable_entries_size; - boolean *vtable_entries_used; + bfd_boolean *vtable_entries_used; /* Virtual table derivation info. */ struct elf_link_hash_entry *vtable_parent; /* If this symbol requires an entry in the global offset table, the processor specific backend uses this field to track usage and - final offset. We use a union and two names primarily to document - the intent of any particular piece of code. The field should be - used as a count until size_dynamic_sections, at which point the - contents of the .got is fixed. Afterward, if this field is -1, - then the symbol does not require a global offset table entry. */ - union + final offset. Two schemes are supported: The first assumes that + a symbol may only have one GOT entry, and uses REFCOUNT until + size_dynamic_sections, at which point the contents of the .got is + fixed. Afterward, if OFFSET is -1, then the symbol does not + require a global offset table entry. The second scheme allows + multiple GOT entries per symbol, managed via a linked list + pointed to by GLIST. */ + union gotplt_union { bfd_signed_vma refcount; bfd_vma offset; + struct got_entry *glist; + struct plt_entry *plist; } got; /* Same, but tracks a procedure linkage table entry. */ - union - { - bfd_signed_vma refcount; - bfd_vma offset; - } plt; + union gotplt_union plt; /* Symbol size. */ bfd_size_type size; @@ -202,8 +196,28 @@ struct elf_link_hash_entry /* Symbol is referenced by a non-GOT/non-PLT relocation. This is not currently set by all the backends. */ #define ELF_LINK_NON_GOT_REF 010000 + /* Symbol has a definition in a shared object. */ +#define ELF_LINK_DYNAMIC_DEF 020000 + /* Symbol is weak in all shared objects. */ +#define ELF_LINK_DYNAMIC_WEAK 040000 + /* Symbol is referenced with a relocation where C/C++ pointer equality + matters. */ +#define ELF_LINK_POINTER_EQUALITY_NEEDED 0100000 }; +/* Will references to this symbol always reference the symbol + in this object? STV_PROTECTED is excluded from the visibility test + here so that function pointer comparisons work properly. Since + function symbols not defined in an app are set to their .plt entry, + it's necessary for shared libs to also reference the .plt even + though the symbol is really local to the shared lib. */ +#define SYMBOL_REFERENCES_LOCAL(INFO, H) \ + _bfd_elf_symbol_refs_local_p (H, INFO, 0) + +/* Will _calls_ to this symbol always call the version in this object? */ +#define SYMBOL_CALLS_LOCAL(INFO, H) \ + _bfd_elf_symbol_refs_local_p (H, INFO, 1) + /* Records local symbols to be emitted in the dynamic symbol table. */ struct elf_link_local_dynamic_entry @@ -229,23 +243,73 @@ struct elf_link_loaded_list bfd *abfd; }; -enum elf_link_info_type +/* Structures used by the eh_frame optimization code. */ +struct cie_header { - ELF_INFO_TYPE_NONE, - ELF_INFO_TYPE_STABS, - ELF_INFO_TYPE_MERGE, - ELF_INFO_TYPE_EH_FRAME, - ELF_INFO_TYPE_EH_FRAME_HDR, - ELF_INFO_TYPE_JUST_SYMS, - ELF_INFO_TYPE_LAST + unsigned int length; + unsigned int id; }; -/* Cached start, size and alignment of PT_TLS segment. */ -struct elf_link_tls_segment +struct cie { - bfd_vma start; - bfd_size_type size; - unsigned int align; + struct cie_header hdr; + unsigned char version; + unsigned char augmentation[20]; + unsigned int code_align; + int data_align; + unsigned int ra_column; + unsigned int augmentation_size; + struct elf_link_hash_entry *personality; + unsigned char per_encoding; + unsigned char lsda_encoding; + unsigned char fde_encoding; + unsigned char initial_insn_length; + unsigned char make_relative; + unsigned char make_lsda_relative; + unsigned char initial_instructions[50]; +}; + +struct eh_cie_fde +{ + unsigned int offset; + unsigned int size; + asection *sec; + unsigned int new_offset; + 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; +}; + +struct eh_frame_sec_info +{ + unsigned int count; + unsigned int alloced; + struct eh_cie_fde entry[1]; +}; + +struct eh_frame_array_ent +{ + bfd_vma initial_loc; + bfd_vma fde; +}; + +struct eh_frame_hdr_info +{ + struct cie last_cie; + asection *last_cie_sec; + asection *hdr_sec; + unsigned int last_cie_offset; + unsigned int fde_count, array_count; + struct eh_frame_array_ent *array; + /* TRUE if .eh_frame_hdr should contain the sorted search table. + We build it if we successfully read all .eh_frame input sections + and recognize them. */ + bfd_boolean table; }; /* ELF linker hash table. */ @@ -256,7 +320,7 @@ struct elf_link_hash_table /* Whether we have created the special dynamic sections required when linking against or generating a shared object. */ - boolean dynamic_sections_created; + bfd_boolean dynamic_sections_created; /* The BFD used to hold special sections created by the linker. This will be the first BFD found which requires these sections to @@ -265,9 +329,13 @@ struct elf_link_hash_table /* The value to use when initialising got.refcount/offset and plt.refcount/offset in an elf_link_hash_entry. Set to zero when - the values are refcounts. Set to -1 in size_dynamic_sections - when the values may be offsets. */ - bfd_signed_vma init_refcount; + the values are refcounts. Set to init_offset in + size_dynamic_sections when the values may be offsets. */ + union gotplt_union init_refcount; + + /* The value to use for got.refcount/offset and plt.refcount/offset + when the values may be offsets. Normally (bfd_vma) -1. */ + union gotplt_union init_offset; /* The number of symbols found in the link which must be put into the .dynsym section. */ @@ -289,10 +357,13 @@ struct elf_link_hash_table struct elf_link_hash_entry *hgot; /* A pointer to information used to link stabs in sections. */ - PTR stab_info; + void *stab_info; /* A pointer to information used to merge SEC_MERGE sections. */ - PTR merge_info; + void *merge_info; + + /* Used by eh_frame code when editing .eh_frame. */ + struct eh_frame_hdr_info eh_info; /* A linked list of local symbols to be added to .dynsym. */ struct elf_link_local_dynamic_entry *dynlocal; @@ -301,8 +372,9 @@ struct elf_link_hash_table 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; + /* Cached first output tls section and size of PT_TLS segment. */ + asection *tls_sec; + bfd_size_type tls_size; /* A linked list of BFD's loaded in the link. */ struct elf_link_loaded_list *loaded; @@ -320,16 +392,16 @@ struct elf_link_hash_table #define elf_link_hash_traverse(table, func, info) \ (bfd_link_hash_traverse \ (&(table)->root, \ - (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \ + (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \ (info))) /* Get the ELF linker hash table from a link_info structure. */ #define elf_hash_table(p) ((struct elf_link_hash_table *) ((p)->hash)) -/* Returns true if the hash table is a struct elf_link_hash_table. */ -#define is_elf_hash_table(p) \ - ((p)->hash->type == bfd_link_elf_hash_table) +/* Returns TRUE if the hash table is a struct elf_link_hash_table. */ +#define is_elf_hash_table(htab) \ + (((struct bfd_link_hash_table *) (htab))->type == bfd_link_elf_hash_table) /* Used by bfd_section_from_r_symndx to cache a small number of local symbol to section mappings. */ @@ -353,52 +425,50 @@ struct elf_size_info { /* The number of internal relocations to allocate per external relocation entry. */ unsigned char int_rels_per_ext_rel; + /* We use some fixed size arrays. This should be large enough to + handle all back-ends. */ +#define MAX_INT_RELS_PER_EXT_REL 3 - unsigned char arch_size, file_align; + unsigned char arch_size, log_file_align; unsigned char elfclass, ev_current; int (*write_out_phdrs) - PARAMS ((bfd *, const Elf_Internal_Phdr *, unsigned int)); - boolean (*write_shdrs_and_ehdr) - PARAMS ((bfd *)); + (bfd *, const Elf_Internal_Phdr *, unsigned int); + bfd_boolean + (*write_shdrs_and_ehdr) (bfd *); void (*write_relocs) - PARAMS ((bfd *, asection *, PTR)); + (bfd *, asection *, void *); void (*swap_symbol_in) - PARAMS ((bfd *, const PTR, const PTR, Elf_Internal_Sym *)); + (bfd *, const void *, const void *, Elf_Internal_Sym *); void (*swap_symbol_out) - PARAMS ((bfd *, const Elf_Internal_Sym *, PTR, PTR)); - boolean (*slurp_reloc_table) - PARAMS ((bfd *, asection *, asymbol **, boolean)); + (bfd *, const Elf_Internal_Sym *, void *, void *); + bfd_boolean (*slurp_reloc_table) + (bfd *, asection *, asymbol **, bfd_boolean); long (*slurp_symbol_table) - PARAMS ((bfd *, asymbol **, boolean)); + (bfd *, asymbol **, bfd_boolean); void (*swap_dyn_in) - PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *)); + (bfd *, const void *, Elf_Internal_Dyn *); void (*swap_dyn_out) - PARAMS ((bfd *, const Elf_Internal_Dyn *, PTR)); + (bfd *, const Elf_Internal_Dyn *, void *); - /* This function, if defined, is called to swap in a REL - relocation. If an external relocation corresponds to more than - one internal relocation, then all relocations are swapped in at - once. */ + /* This function is called to swap in a REL relocation. If an + external relocation corresponds to more than one internal + relocation, then all relocations are swapped in at once. */ void (*swap_reloc_in) - PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rel *)); + (bfd *, const bfd_byte *, Elf_Internal_Rela *); - /* This function, if defined, is called to swap out a REL - relocation. */ + /* This function is called to swap out a REL relocation. */ void (*swap_reloc_out) - PARAMS ((bfd *, const Elf_Internal_Rel *, bfd_byte *)); + (bfd *, const Elf_Internal_Rela *, bfd_byte *); - /* This function, if defined, is called to swap in a RELA - relocation. If an external relocation corresponds to more than - one internal relocation, then all relocations are swapped in at - once. */ + /* This function is called to swap in a RELA relocation. If an + external relocation corresponds to more than one internal + relocation, then all relocations are swapped in at once. */ void (*swap_reloca_in) - PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rela *)); + (bfd *, const bfd_byte *, Elf_Internal_Rela *); - /* This function, if defined, is called to swap out a RELA - relocation. */ + /* This function is called to swap out a RELA relocation. */ void (*swap_reloca_out) - PARAMS ((bfd *, const Elf_Internal_Rela *, bfd_byte *)); - + (bfd *, const Elf_Internal_Rela *, bfd_byte *); }; #define elf_symbol_from(ABFD,S) \ @@ -422,7 +492,8 @@ struct elf_reloc_cookie size_t locsymcount; size_t extsymoff; struct elf_link_hash_entry **sym_hashes; - boolean bad_symtab; + int r_sym_shift; + bfd_boolean bad_symtab; }; /* The level of IRIX compatibility we're striving for. */ @@ -433,6 +504,22 @@ typedef enum { ict_irix6 } irix_compat_t; +/* Mapping of ELF section names and types. */ +struct bfd_elf_special_section +{ + const char *prefix; + int prefix_length; + /* 0 means name must match PREFIX exactly. + -1 means name must start with PREFIX followed by an arbitrary string. + -2 means name must match PREFIX exactly or consist of PREFIX followed + by a dot then anything. + > 0 means name must start with the first PREFIX_LENGTH chars of + PREFIX and finish with the last SUFFIX_LENGTH chars of PREFIX. */ + int suffix_length; + int type; + int attr; +}; + struct elf_backend_data { /* The architecture for this backend. */ @@ -447,20 +534,20 @@ struct elf_backend_data /* A function to translate an ELF RELA relocation to a BFD arelent structure. */ void (*elf_info_to_howto) - PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); + (bfd *, arelent *, Elf_Internal_Rela *); /* A function to translate an ELF REL relocation to a BFD arelent structure. */ void (*elf_info_to_howto_rel) - PARAMS ((bfd *, arelent *, Elf_Internal_Rel *)); + (bfd *, arelent *, Elf_Internal_Rela *); /* A function to determine whether a symbol is global when partitioning the symbol table into local and global symbols. This should be NULL for most targets, in which case the correct thing will be done. MIPS ELF, at least on the Irix 5, has special requirements. */ - boolean (*elf_backend_sym_is_global) - PARAMS ((bfd *, asymbol *)); + bfd_boolean (*elf_backend_sym_is_global) + (bfd *, asymbol *); /* The remaining functions are hooks which are called only if they are not NULL. */ @@ -469,61 +556,66 @@ struct elf_backend_data particular BFD format is relevant for an object file, and to permit the backend to set any global information it wishes. When this is called elf_elfheader is set, but anything else should be - used with caution. If this returns false, the check_format + used with caution. If this returns FALSE, the check_format routine will return a bfd_error_wrong_format error. */ - boolean (*elf_backend_object_p) - PARAMS ((bfd *)); + bfd_boolean (*elf_backend_object_p) + (bfd *); /* A function to do additional symbol processing when reading the ELF symbol table. This is where any processor-specific special section indices are handled. */ void (*elf_backend_symbol_processing) - PARAMS ((bfd *, asymbol *)); + (bfd *, asymbol *); /* A function to do additional symbol processing after reading the entire ELF symbol table. */ - boolean (*elf_backend_symbol_table_processing) - PARAMS ((bfd *, elf_symbol_type *, unsigned int)); + 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 types should be handled here. */ int (*elf_backend_get_symbol_type) - PARAMS (( Elf_Internal_Sym *, int)); + (Elf_Internal_Sym *, int); + + /* 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 unusual sections. */ - boolean (*elf_backend_section_processing) - PARAMS ((bfd *, Elf32_Internal_Shdr *)); + bfd_boolean (*elf_backend_section_processing) + (bfd *, Elf_Internal_Shdr *); /* 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 *, const char *)); + bfd_boolean (*elf_backend_section_from_shdr) + (bfd *, Elf_Internal_Shdr *, const char *); /* A function to convert machine dependent section header flags to BFD internal section header flags. */ - boolean (*elf_backend_section_flags) - PARAMS ((flagword *, Elf32_Internal_Shdr *)); + bfd_boolean (*elf_backend_section_flags) + (flagword *, Elf_Internal_Shdr *); /* 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)); + bfd_boolean (*elf_backend_section_from_phdr) + (bfd *, Elf_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 (*elf_backend_fake_sections) - PARAMS ((bfd *, Elf32_Internal_Shdr *, asection *)); + bfd_boolean (*elf_backend_fake_sections) + (bfd *, Elf_Internal_Shdr *, asection *); /* A function to get the ELF section index for a BFD section. If - this returns true, the section was found. If it is a normal ELF + this returns TRUE, the section was found. If it is a normal ELF section, *RETVAL should be left unchanged. If it is not a normal ELF section *RETVAL should be set to the SHN_xxxx index. */ - boolean (*elf_backend_section_from_bfd_section) - PARAMS ((bfd *, asection *, int *retval)); + bfd_boolean (*elf_backend_section_from_bfd_section) + (bfd *, asection *, int *retval); /* If this field is not NULL, it is called by the add_symbols phase of a link just before adding a symbol to the global linker hash @@ -533,16 +625,15 @@ struct elf_backend_data handling all processor dependent symbol bindings and section indices, and must set at least *FLAGS and *SEC for each processor dependent case; failure to do so will cause a link error. */ - boolean (*elf_add_symbol_hook) - PARAMS ((bfd *abfd, struct bfd_link_info *info, - const Elf_Internal_Sym *, const char **name, - flagword *flags, asection **sec, bfd_vma *value)); + bfd_boolean (*elf_add_symbol_hook) + (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. */ - boolean (*elf_backend_link_output_symbol_hook) - PARAMS ((bfd *, struct bfd_link_info *info, const char *, - Elf_Internal_Sym *, asection *)); + bfd_boolean (*elf_backend_link_output_symbol_hook) + (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. @@ -552,8 +643,8 @@ struct elf_backend_data created, and this function may modify the section flags if desired. This function will normally create the .got and .plt sections, but different backends have different requirements. */ - boolean (*elf_backend_create_dynamic_sections) - PARAMS ((bfd *abfd, struct bfd_link_info *info)); + bfd_boolean (*elf_backend_create_dynamic_sections) + (bfd *abfd, struct bfd_link_info *info); /* The CHECK_RELOCS function is called by the add_symbols phase of the ELF backend linker. It is called once for each section with @@ -565,9 +656,9 @@ struct elf_backend_data relocs are always passed as Rela structures; if the section actually uses Rel structures, the r_addend field will always be zero. */ - boolean (*check_relocs) - PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *o, - const Elf_Internal_Rela *relocs)); + bfd_boolean (*check_relocs) + (bfd *abfd, struct bfd_link_info *info, asection *o, + const Elf_Internal_Rela *relocs); /* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend linker for every symbol which is defined by a dynamic object and @@ -581,15 +672,15 @@ struct elf_backend_data the link can deal with. This will normally involve adding an entry to the .plt or .got or some such section, and setting the symbol to point to that. */ - boolean (*elf_backend_adjust_dynamic_symbol) - PARAMS ((struct bfd_link_info *info, struct elf_link_hash_entry *h)); + bfd_boolean (*elf_backend_adjust_dynamic_symbol) + (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)); + bfd_boolean (*elf_backend_always_size_sections) + (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 @@ -601,8 +692,8 @@ struct elf_backend_data .dynstr and .hash sections. This function must handle the .interp section and any sections created by the CREATE_DYNAMIC_SECTIONS entry point. */ - boolean (*elf_backend_size_dynamic_sections) - PARAMS ((bfd *output_bfd, struct bfd_link_info *info)); + bfd_boolean (*elf_backend_size_dynamic_sections) + (bfd *output_bfd, struct bfd_link_info *info); /* The RELOCATE_SECTION function is called by the ELF backend linker to handle the relocations for a section. @@ -613,7 +704,7 @@ struct elf_backend_data This function is responsible for adjust the section contents as necessary, and (if using Rela relocs and generating a - relocateable output file) adjusting the reloc addend as + relocatable output file) adjusting the reloc addend as necessary. This function does not have to worry about setting the reloc @@ -627,16 +718,15 @@ struct elf_backend_data The global hash table entry for the global symbols can be found via elf_sym_hashes (input_bfd). - When generating relocateable output, this function must handle + When generating relocatable output, this function must handle STB_LOCAL/STT_SECTION symbols specially. The output symbol is going to be the section symbol corresponding to the output section, which means that the addend must be adjusted accordingly. */ - boolean (*elf_backend_relocate_section) - PARAMS ((bfd *output_bfd, struct bfd_link_info *info, - bfd *input_bfd, asection *input_section, bfd_byte *contents, - Elf_Internal_Rela *relocs, Elf_Internal_Sym *local_syms, - asection **local_sections)); + bfd_boolean (*elf_backend_relocate_section) + (bfd *output_bfd, struct bfd_link_info *info, bfd *input_bfd, + asection *input_section, bfd_byte *contents, Elf_Internal_Rela *relocs, + Elf_Internal_Sym *local_syms, asection **local_sections); /* The FINISH_DYNAMIC_SYMBOL function is called by the ELF backend linker just before it writes a symbol out to the .dynsym section. @@ -645,71 +735,72 @@ struct elf_backend_data dynamic sections. Note that FINISH_DYNAMIC_SYMBOL is called on all .dynsym symbols, while ADJUST_DYNAMIC_SYMBOL is only called on those symbols which are defined by a dynamic object. */ - boolean (*elf_backend_finish_dynamic_symbol) - PARAMS ((bfd *output_bfd, struct bfd_link_info *info, - struct elf_link_hash_entry *h, Elf_Internal_Sym *sym)); + bfd_boolean (*elf_backend_finish_dynamic_symbol) + (bfd *output_bfd, struct bfd_link_info *info, + struct elf_link_hash_entry *h, Elf_Internal_Sym *sym); /* The FINISH_DYNAMIC_SECTIONS function is called by the ELF backend linker just before it writes all the dynamic sections out to the output file. The FINISH_DYNAMIC_SYMBOL will have been called on all dynamic symbols. */ - boolean (*elf_backend_finish_dynamic_sections) - PARAMS ((bfd *output_bfd, struct bfd_link_info *info)); + bfd_boolean (*elf_backend_finish_dynamic_sections) + (bfd *output_bfd, struct bfd_link_info *info); /* A function to do any beginning processing needed for the ELF file before building the ELF headers and computing file positions. */ void (*elf_backend_begin_write_processing) - PARAMS ((bfd *, struct bfd_link_info *)); + (bfd *, struct bfd_link_info *); /* A function to do any final processing needed for the ELF file - before writing it out. The LINKER argument is true if this BFD + before writing it out. The LINKER argument is TRUE if this BFD was created by the ELF backend linker. */ void (*elf_backend_final_write_processing) - PARAMS ((bfd *, boolean linker)); + (bfd *, bfd_boolean linker); /* This function is called by get_program_header_size. It should return the number of additional program segments which this BFD will need. It should return -1 on error. */ int (*elf_backend_additional_program_headers) - PARAMS ((bfd *)); + (bfd *); /* This function is called to modify an existing segment map in a backend specific fashion. */ - boolean (*elf_backend_modify_segment_map) - PARAMS ((bfd *)); + bfd_boolean (*elf_backend_modify_segment_map) + (bfd *, struct bfd_link_info *); /* This function is called during section gc to discover the section a particular relocation refers to. */ asection * (*gc_mark_hook) - PARAMS ((asection *sec, struct bfd_link_info *, Elf_Internal_Rela *, - struct elf_link_hash_entry *h, Elf_Internal_Sym *)); + (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 in order that a backend might update any data structures it might be maintaining. */ - boolean (*gc_sweep_hook) - PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *o, - const Elf_Internal_Rela *relocs)); + bfd_boolean (*gc_sweep_hook) + (bfd *abfd, struct bfd_link_info *info, asection *o, + const Elf_Internal_Rela *relocs); /* This function, if defined, is called after the ELF headers have been created. This allows for things like the OS and ABI versions to be changed. */ void (*elf_backend_post_process_headers) - PARAMS ((bfd *, struct bfd_link_info *)); + (bfd *, struct bfd_link_info *); /* This function, if defined, prints a symbol to file and returns the name of the symbol to be printed. It should return NULL to fall back to default symbol printing. */ const char *(*elf_backend_print_symbol_all) - PARAMS ((bfd *, PTR, asymbol *)); + (bfd *, void *, asymbol *); /* This function, if defined, is called after all local symbols and - global symbols converted to locals are emited into the symtab + global symbols converted to locals are emitted into the symtab section. It allows the backend to emit special global symbols not handled in the hash table. */ - boolean (*elf_backend_output_arch_syms) - PARAMS ((bfd *, struct bfd_link_info *, PTR, - boolean (*) (PTR, const char *, Elf_Internal_Sym *, asection *))); + bfd_boolean (*elf_backend_output_arch_syms) + (bfd *, struct bfd_link_info *, void *, + 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 @@ -717,94 +808,125 @@ struct elf_backend_data newly created and plt/got refcounts and dynamic indices should not be copied. */ void (*elf_backend_copy_indirect_symbol) - PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *, - struct elf_link_hash_entry *)); + (const 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. */ void (*elf_backend_hide_symbol) - PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *, boolean)); + (struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean); + + /* Merge the backend specific symbol attribute. */ + void (*elf_backend_merge_symbol_attribute) + (struct elf_link_hash_entry *, const Elf_Internal_Sym *, bfd_boolean, + bfd_boolean); /* Emit relocations. Overrides default routine for emitting relocs, except during a relocatable link, or if all relocs are being emitted. */ - boolean (*elf_backend_emit_relocs) - PARAMS ((bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *)); + bfd_boolean (*elf_backend_emit_relocs) + (bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *); /* Count relocations. Not called for relocatable links or if all relocs are being preserved in the output. */ unsigned int (*elf_backend_count_relocs) - PARAMS ((asection *, Elf_Internal_Rela *)); + (asection *, Elf_Internal_Rela *); /* This function, if defined, is called when an NT_PRSTATUS note is found in a core file. */ - boolean (*elf_backend_grok_prstatus) - PARAMS ((bfd *, Elf_Internal_Note *)); + bfd_boolean (*elf_backend_grok_prstatus) + (bfd *, Elf_Internal_Note *); /* This function, if defined, is called when an NT_PSINFO or NT_PRPSINFO note is found in a core file. */ - boolean (*elf_backend_grok_psinfo) - PARAMS ((bfd *, Elf_Internal_Note *)); + bfd_boolean (*elf_backend_grok_psinfo) + (bfd *, Elf_Internal_Note *); /* Functions to print VMAs. Special code to handle 64 bit ELF files. */ void (* elf_backend_sprintf_vma) - PARAMS ((bfd *, char *, bfd_vma)); + (bfd *, char *, bfd_vma); void (* elf_backend_fprintf_vma) - PARAMS ((bfd *, PTR, bfd_vma)); + (bfd *, void *, bfd_vma); /* This function returns class of a reloc type. */ enum elf_reloc_type_class (*elf_backend_reloc_type_class) - PARAMS ((const Elf_Internal_Rela *)); + (const Elf_Internal_Rela *); /* This function, if defined, removes information about discarded functions from other sections which mention them. */ - boolean (*elf_backend_discard_info) - PARAMS ((bfd *, struct elf_reloc_cookie *, struct bfd_link_info *)); + bfd_boolean (*elf_backend_discard_info) + (bfd *, struct elf_reloc_cookie *, struct bfd_link_info *); /* This function, if defined, signals that the function above has removed the discarded relocations for this section. */ - boolean (*elf_backend_ignore_discarded_relocs) - PARAMS ((asection *)); + 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. */ - boolean (*elf_backend_write_section) - PARAMS ((bfd *, asection *, bfd_byte *)); + Returns TRUE if it did so and FALSE if the caller should. */ + bfd_boolean (*elf_backend_write_section) + (bfd *, asection *, bfd_byte *); /* The level of IRIX compatibility we're striving for. MIPS ELF specific function. */ irix_compat_t (*elf_backend_mips_irix_compat) - PARAMS ((bfd *)); + (bfd *); reloc_howto_type *(*elf_backend_mips_rtype_to_howto) - PARAMS ((unsigned int, boolean)); + (unsigned int, bfd_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; + /* This function implements `bfd_elf_bfd_from_remote_memory'; + see elf.c, elfcode.h. */ + bfd *(*elf_backend_bfd_from_remote_memory) + (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep, + int (*target_read_memory) (bfd_vma vma, char *myaddr, int len)); + /* Alternate EM_xxxx machine codes for this backend. */ int elf_machine_alt1; int elf_machine_alt2; const struct elf_size_info *s; + /* An array of target specific special section map. */ + const struct bfd_elf_special_section *special_sections; + /* offset of the _GLOBAL_OFFSET_TABLE_ symbol from the start of the .got section */ bfd_vma got_symbol_offset; - /* The size in bytes of the headers for the GOT and PLT. This includes - the so-called reserved entries on some systems. */ + /* The size in bytes of the header for the GOT. This includes the + so-called reserved entries on some systems. */ 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 + /* 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 + /* 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; @@ -831,7 +953,7 @@ struct elf_backend_data backend relocate_section routine for relocatable linking. */ unsigned rela_normal : 1; - /* True if addresses "naturally" sign extend. This is used when + /* TRUE if addresses "naturally" sign extend. This is used when swapping in from Elf32 when BFD64. */ unsigned sign_extend_vma : 1; @@ -872,13 +994,6 @@ struct bfd_elf_section_data /* The number of relocations currently assigned to REL_HDR2. */ unsigned int rel_count2; - /* A pointer to a linked list tracking dynamic relocs copied for - local symbols. */ - PTR local_dynrel; - - /* A pointer to the bfd section used for dynamic relocs. */ - asection *sreloc; - /* The ELF section number of this section. Only used for an output file. */ int this_idx; @@ -891,6 +1006,12 @@ struct bfd_elf_section_data REL_HDR2 if any. Only used for an output file. */ int rel_idx2; + /* Used by the backend linker when generating a shared library to + record the dynamic symbol index for a section symbol + corresponding to this section. A value of 0 means that there is + no dynamic symbol for this section. */ + int dynindx; + /* 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; @@ -900,101 +1021,85 @@ struct bfd_elf_section_data pointer may be NULL. It is used by the backend linker. */ Elf_Internal_Rela *relocs; - /* Used by the backend linker when generating a shared library to - record the dynamic symbol index for a section symbol - corresponding to this section. A value of 0 means that there is - no dynamic symbol for this section. */ - long dynindx; - - /* A pointer used for various section optimizations. */ - PTR sec_info; + /* A pointer to a linked list tracking dynamic relocs copied for + local symbols. */ + void *local_dynrel; - /* Type of that information. */ - enum elf_link_info_type sec_info_type; + /* A pointer to the bfd section used for dynamic relocs. */ + asection *sreloc; 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; + struct bfd_symbol *id; } group; /* A linked list of sections in the group. Circular when used by the linker. */ asection *next_in_group; - /* A pointer available for the processor specific ELF backend. */ - PTR tdata; - - /* 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; + /* A pointer used for various section optimizations. */ + void *sec_info; }; #define elf_section_data(sec) ((struct bfd_elf_section_data*)sec->used_by_bfd) +#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_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_JUST_SYMS) +/* 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) #define get_elf_backend_data(abfd) \ - ((struct elf_backend_data *) (abfd)->xvec->backend_data) + ((const struct elf_backend_data *) (abfd)->xvec->backend_data) -/* Enumeration to specify the special section. */ -typedef enum elf_linker_section_enum +/* This struct is used to pass information to routines called via + elf_link_hash_traverse which must return failure. */ + +struct elf_info_failed { - LINKER_SECTION_UNKNOWN, /* not used */ - LINKER_SECTION_GOT, /* .got section for global offset pointers */ - LINKER_SECTION_PLT, /* .plt section for generated procedure stubs */ - LINKER_SECTION_SDATA, /* .sdata/.sbss section for PowerPC */ - LINKER_SECTION_SDATA2, /* .sdata2/.sbss2 section for PowerPC */ - LINKER_SECTION_MAX /* # of linker sections */ -} elf_linker_section_enum_t; + bfd_boolean failed; + struct bfd_link_info *info; + struct bfd_elf_version_tree *verdefs; +}; -/* Sections created by the linker. */ +/* This structure is used to pass information to + _bfd_elf_link_assign_sym_version. */ -typedef struct elf_linker_section +struct elf_assign_sym_version_info { - char *name; /* name of the section */ - char *rel_name; /* name of the associated .rel{,a}. section */ - char *bss_name; /* name of a related .bss section */ - char *sym_name; /* name of symbol to reference this section */ - asection *section; /* pointer to the section */ - asection *bss_section; /* pointer to the bss section associated with this */ - asection *rel_section; /* pointer to the relocations needed for this section */ - struct elf_link_hash_entry *sym_hash; /* pointer to the created symbol hash value */ - bfd_vma initial_size; /* initial size before any linker generated allocations */ - bfd_vma sym_offset; /* offset of symbol from beginning of section */ - bfd_vma hole_size; /* size of reserved address hole in allocation */ - bfd_vma hole_offset; /* current offset for the hole */ - bfd_vma max_hole_offset; /* maximum offset for the hole */ - elf_linker_section_enum_t which; /* which section this is */ - boolean hole_written_p; /* whether the hole has been initialized */ - unsigned int alignment; /* alignment for the section */ - flagword flags; /* flags to use to create the section */ -} elf_linker_section_t; - -/* Linked list of allocated pointer entries. This hangs off of the symbol lists, and - provides allows us to return different pointers, based on different addend's. */ - -typedef struct elf_linker_section_pointers + /* Output BFD. */ + bfd *output_bfd; + /* General link information. */ + struct bfd_link_info *info; + /* Version tree. */ + struct bfd_elf_version_tree *verdefs; + /* Whether we had a failure. */ + bfd_boolean failed; +}; + +/* This structure is used to pass information to + _bfd_elf_link_find_version_dependencies. */ + +struct elf_find_verdep_info { - struct elf_linker_section_pointers *next; /* next allocated pointer for this symbol */ - bfd_vma offset; /* offset of pointer from beginning of section */ - bfd_vma addend; /* addend used */ - elf_linker_section_enum_t which; /* which linker section this is */ - boolean written_address_p; /* whether address was written yet */ -} elf_linker_section_pointers_t; + /* Output BFD. */ + bfd *output_bfd; + /* General link information. */ + struct bfd_link_info *info; + /* The number of dependencies. */ + unsigned int vers; + /* Whether we had a failure. */ + bfd_boolean failed; +}; /* Some private data is stashed away for future use using the tdata pointer in the bfd structure. */ @@ -1025,18 +1130,9 @@ struct elf_obj_tdata unsigned int symtab_shndx_section; unsigned int dynversym_section, dynverdef_section, dynverref_section; file_ptr next_file_pos; -#if 0 - /* we don't need these inside bfd anymore, and I think - these weren't used outside bfd. */ - void *prstatus; /* The raw /proc prstatus structure */ - void *prpsinfo; /* The raw /proc prpsinfo structure */ -#endif 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; @@ -1044,32 +1140,21 @@ struct elf_obj_tdata char* core_program; char* core_command; - /* This is set to true if the object was created by the backend - linker. */ - 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. */ struct elf_link_hash_entry **sym_hashes; - /* A mapping from local symbols to offsets into the global offset - table, used when linking. This is indexed by the symbol index. - Like for the globals, we use a union and two names primarily to - document the intent of any particular piece of code. The field - should be used as a count until size_dynamic_sections, at which - point the contents of the .got is fixed. Afterward, if an entry - is -1, then the symbol does not require a global offset table entry. */ + /* Track usage and final offsets of GOT entries for local symbols. + This array is indexed by symbol index. Elements are used + identically to "got" in struct elf_link_hash_entry. */ union { bfd_signed_vma *refcounts; bfd_vma *offsets; + struct got_entry **ents; } local_got; - /* A mapping from local symbols to offsets into the various linker - sections added. This is index by the symbol index. */ - elf_linker_section_pointers_t **linker_section_pointers; - /* 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. The emulation code then @@ -1080,26 +1165,11 @@ struct elf_obj_tdata 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. */ - boolean bad_symtab; - /* Records the result of `get_program_header_size'. */ bfd_size_type program_header_size; /* Used by find_nearest_line entry point. */ - PTR line_info; + void *line_info; /* Used by MIPS ELF find_nearest_line entry point. The structure could be included directly in this one, but there's no point to @@ -1111,19 +1181,19 @@ struct elf_obj_tdata struct dwarf1_debug *dwarf1_find_line_info; /* A place to stash dwarf2 info for this bfd. */ - PTR dwarf2_find_line_info; + void *dwarf2_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; - /* Used to determine if PT_GNU_EH_FRAME segment header should be created. */ - boolean eh_frame_hdr; + asection *eh_frame_hdr; + + Elf_Internal_Shdr **group_sect_ptr; + int num_group; /* Number of symbol version definitions we are about to emit. */ unsigned int cverdefs; @@ -1131,21 +1201,40 @@ struct elf_obj_tdata /* Number of symbol version references we are about to emit. */ unsigned int cverrefs; + /* Segment flags for the PT_GNU_STACK segment. */ + unsigned int stack_flags; + /* 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 ]; - /* The Irix 5 support uses two virtual sections, which represent text/data symbols defined in dynamic objects. */ asymbol *elf_data_symbol; 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) @@ -1170,439 +1259,504 @@ struct elf_obj_tdata #define elf_sym_hashes(bfd) (elf_tdata(bfd) -> sym_hashes) #define elf_local_got_refcounts(bfd) (elf_tdata(bfd) -> local_got.refcounts) #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_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) -#define elf_linker_section(bfd,n) (elf_tdata(bfd) -> linker_section[(int)n]) extern void _bfd_elf_swap_verdef_in - PARAMS ((bfd *, const Elf_External_Verdef *, Elf_Internal_Verdef *)); + (bfd *, const Elf_External_Verdef *, Elf_Internal_Verdef *); extern void _bfd_elf_swap_verdef_out - PARAMS ((bfd *, const Elf_Internal_Verdef *, Elf_External_Verdef *)); + (bfd *, const Elf_Internal_Verdef *, Elf_External_Verdef *); extern void _bfd_elf_swap_verdaux_in - PARAMS ((bfd *, const Elf_External_Verdaux *, Elf_Internal_Verdaux *)); + (bfd *, const Elf_External_Verdaux *, Elf_Internal_Verdaux *); extern void _bfd_elf_swap_verdaux_out - PARAMS ((bfd *, const Elf_Internal_Verdaux *, Elf_External_Verdaux *)); + (bfd *, const Elf_Internal_Verdaux *, Elf_External_Verdaux *); extern void _bfd_elf_swap_verneed_in - PARAMS ((bfd *, const Elf_External_Verneed *, Elf_Internal_Verneed *)); + (bfd *, const Elf_External_Verneed *, Elf_Internal_Verneed *); extern void _bfd_elf_swap_verneed_out - PARAMS ((bfd *, const Elf_Internal_Verneed *, Elf_External_Verneed *)); + (bfd *, const Elf_Internal_Verneed *, Elf_External_Verneed *); extern void _bfd_elf_swap_vernaux_in - PARAMS ((bfd *, const Elf_External_Vernaux *, Elf_Internal_Vernaux *)); + (bfd *, const Elf_External_Vernaux *, Elf_Internal_Vernaux *); extern void _bfd_elf_swap_vernaux_out - PARAMS ((bfd *, const Elf_Internal_Vernaux *, Elf_External_Vernaux *)); + (bfd *, const Elf_Internal_Vernaux *, Elf_External_Vernaux *); extern void _bfd_elf_swap_versym_in - PARAMS ((bfd *, const Elf_External_Versym *, Elf_Internal_Versym *)); + (bfd *, const Elf_External_Versym *, Elf_Internal_Versym *); extern void _bfd_elf_swap_versym_out - PARAMS ((bfd *, const Elf_Internal_Versym *, Elf_External_Versym *)); + (bfd *, const Elf_Internal_Versym *, Elf_External_Versym *); extern int _bfd_elf_section_from_bfd_section - PARAMS ((bfd *, asection *)); + (bfd *, asection *); extern char *bfd_elf_string_from_elf_section - PARAMS ((bfd *, unsigned, unsigned)); + (bfd *, unsigned, unsigned); extern char *bfd_elf_get_str_section - PARAMS ((bfd *, unsigned)); + (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 *)); -extern boolean _bfd_elf_print_private_bfd_data - PARAMS ((bfd *, PTR)); + (bfd *, Elf_Internal_Shdr *, size_t, size_t, Elf_Internal_Sym *, void *, + Elf_External_Sym_Shndx *); +extern const char *bfd_elf_local_sym_name + (bfd *, Elf_Internal_Sym *); + +extern bfd_boolean _bfd_elf_copy_private_bfd_data + (bfd *, bfd *); +extern bfd_boolean _bfd_elf_print_private_bfd_data + (bfd *, void *); extern void bfd_elf_print_symbol - PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type)); + (bfd *, void *, asymbol *, bfd_print_symbol_type); #define elf_string_from_elf_strtab(abfd, strindex) \ - 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 + bfd_elf_string_from_elf_section (abfd, elf_elfheader(abfd)->e_shstrndx, \ + strindex) extern void _bfd_elf_sprintf_vma - PARAMS ((bfd *, char *, bfd_vma)); + (bfd *, char *, bfd_vma); extern void _bfd_elf_fprintf_vma - PARAMS ((bfd *, PTR, bfd_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 - PARAMS ((const Elf_Internal_Rela *)); + (const Elf_Internal_Rela *); extern bfd_vma _bfd_elf_rela_local_sym - PARAMS ((bfd *, Elf_Internal_Sym *, asection *, Elf_Internal_Rela *)); + (bfd *, Elf_Internal_Sym *, asection **, Elf_Internal_Rela *); extern bfd_vma _bfd_elf_rel_local_sym - PARAMS ((bfd *, Elf_Internal_Sym *, asection **, bfd_vma)); + (bfd *, Elf_Internal_Sym *, asection **, bfd_vma); extern bfd_vma _bfd_elf_section_offset - PARAMS ((bfd *, struct bfd_link_info *, asection *, bfd_vma)); + (bfd *, struct bfd_link_info *, asection *, bfd_vma); extern unsigned long bfd_elf_hash - PARAMS ((const char *)); + (const char *); extern bfd_reloc_status_type bfd_elf_generic_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -extern boolean bfd_elf_mkobject - PARAMS ((bfd *)); -extern boolean bfd_elf_mkcorefile - PARAMS ((bfd *)); + (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); +extern bfd_boolean bfd_elf_mkobject + (bfd *); +extern bfd_boolean bfd_elf_mkcorefile + (bfd *); extern Elf_Internal_Shdr *bfd_elf_find_section - PARAMS ((bfd *, char *)); -extern boolean _bfd_elf_make_section_from_shdr - PARAMS ((bfd *, Elf_Internal_Shdr *, const char *)); -extern boolean _bfd_elf_make_section_from_phdr - PARAMS ((bfd *, Elf_Internal_Phdr *, int, const char *)); + (bfd *, char *); +extern bfd_boolean _bfd_elf_make_section_from_shdr + (bfd *, Elf_Internal_Shdr *, const char *); +extern bfd_boolean _bfd_elf_make_section_from_phdr + (bfd *, Elf_Internal_Phdr *, int, const char *); extern struct bfd_hash_entry *_bfd_elf_link_hash_newfunc - PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); + (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); extern struct bfd_link_hash_table *_bfd_elf_link_hash_table_create - PARAMS ((bfd *)); + (bfd *); extern void _bfd_elf_link_hash_copy_indirect - PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *, - struct elf_link_hash_entry *)); + (const 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 - PARAMS ((struct elf_link_hash_table *, bfd *, - 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_merge_sections - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean bfd_elf_discard_group - PARAMS ((bfd *, struct sec *)); + (struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean); +extern bfd_boolean _bfd_elf_link_hash_table_init + (struct elf_link_hash_table *, bfd *, + struct bfd_hash_entry *(*) + (struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); +extern bfd_boolean _bfd_elf_slurp_version_tables + (bfd *); +extern bfd_boolean _bfd_elf_merge_sections + (bfd *, struct bfd_link_info *); +extern bfd_boolean bfd_elf_discard_group + (bfd *, struct bfd_section *); extern void bfd_elf_set_group_contents - PARAMS ((bfd *, asection *, PTR)); + (bfd *, asection *, void *); 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 - PARAMS ((bfd *, asection *, bfd *, asection *)); -extern boolean _bfd_elf_write_object_contents - PARAMS ((bfd *)); -extern boolean _bfd_elf_write_corefile_contents - PARAMS ((bfd *)); -extern boolean _bfd_elf_set_section_contents - PARAMS ((bfd *, sec_ptr, PTR, file_ptr, bfd_size_type)); + (asection *, struct bfd_link_info *); +extern bfd_boolean _bfd_elf_copy_private_symbol_data + (bfd *, asymbol *, bfd *, asymbol *); +extern bfd_boolean _bfd_elf_copy_private_section_data + (bfd *, asection *, bfd *, asection *); +extern bfd_boolean _bfd_elf_write_object_contents + (bfd *); +extern bfd_boolean _bfd_elf_write_corefile_contents + (bfd *); +extern bfd_boolean _bfd_elf_set_section_contents + (bfd *, sec_ptr, const void *, file_ptr, bfd_size_type); extern long _bfd_elf_get_symtab_upper_bound - PARAMS ((bfd *)); -extern long _bfd_elf_get_symtab - PARAMS ((bfd *, asymbol **)); + (bfd *); +extern long _bfd_elf_canonicalize_symtab + (bfd *, asymbol **); extern long _bfd_elf_get_dynamic_symtab_upper_bound - PARAMS ((bfd *)); + (bfd *); extern long _bfd_elf_canonicalize_dynamic_symtab - PARAMS ((bfd *, asymbol **)); + (bfd *, asymbol **); extern long _bfd_elf_get_reloc_upper_bound - PARAMS ((bfd *, sec_ptr)); + (bfd *, sec_ptr); extern long _bfd_elf_canonicalize_reloc - PARAMS ((bfd *, sec_ptr, arelent **, asymbol **)); + (bfd *, sec_ptr, arelent **, asymbol **); extern long _bfd_elf_get_dynamic_reloc_upper_bound - PARAMS ((bfd *)); + (bfd *); extern long _bfd_elf_canonicalize_dynamic_reloc - PARAMS ((bfd *, arelent **, asymbol **)); + (bfd *, arelent **, asymbol **); extern asymbol *_bfd_elf_make_empty_symbol - PARAMS ((bfd *)); + (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 *)); + (bfd *, asymbol *, symbol_info *); +extern bfd_boolean _bfd_elf_is_local_label_name + (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 boolean _bfd_elf_find_nearest_line - PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, - const char **, unsigned int *)); + (bfd *, asymbol *); +extern bfd_boolean _bfd_elf_set_arch_mach + (bfd *, enum bfd_architecture, unsigned long); +extern bfd_boolean _bfd_elf_find_nearest_line + (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **, + unsigned int *); #define _bfd_elf_read_minisymbols _bfd_generic_read_minisymbols #define _bfd_elf_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol extern int _bfd_elf_sizeof_headers - PARAMS ((bfd *, boolean)); -extern boolean _bfd_elf_new_section_hook - PARAMS ((bfd *, asection *)); -extern boolean _bfd_elf_init_reloc_shdr - PARAMS ((bfd *, Elf_Internal_Shdr *, asection *, boolean)); + (bfd *, bfd_boolean); +extern bfd_boolean _bfd_elf_new_section_hook + (bfd *, asection *); +extern bfd_boolean _bfd_elf_init_reloc_shdr + (bfd *, Elf_Internal_Shdr *, asection *, bfd_boolean); +extern const struct bfd_elf_special_section *_bfd_elf_get_sec_type_attr + (bfd *, const char *); /* If the target doesn't have reloc handling written yet: */ extern void _bfd_elf_no_info_to_howto - PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); + (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 bfd_boolean bfd_section_from_shdr + (bfd *, unsigned int shindex); +extern bfd_boolean bfd_section_from_phdr + (bfd *, Elf_Internal_Phdr *, int); extern int _bfd_elf_symbol_from_bfd_symbol - PARAMS ((bfd *, asymbol **)); + (bfd *, asymbol **); extern asection *bfd_section_from_r_symndx - PARAMS ((bfd *, struct sym_sec_cache *, asection *, unsigned long)); + (bfd *, struct sym_sec_cache *, asection *, unsigned long); extern asection *bfd_section_from_elf_index - PARAMS ((bfd *, unsigned int)); -extern boolean _bfd_elf_create_dynamic_sections - PARAMS ((bfd *, struct bfd_link_info *)); + (bfd *, unsigned int); extern struct bfd_strtab_hash *_bfd_elf_stringtab_init - PARAMS ((void)); + (void); extern struct elf_strtab_hash * _bfd_elf_strtab_init - PARAMS ((void)); + (void); extern void _bfd_elf_strtab_free - PARAMS ((struct elf_strtab_hash *)); + (struct elf_strtab_hash *); extern bfd_size_type _bfd_elf_strtab_add - PARAMS ((struct elf_strtab_hash *, const char *, boolean)); + (struct elf_strtab_hash *, const char *, bfd_boolean); extern void _bfd_elf_strtab_addref - PARAMS ((struct elf_strtab_hash *, bfd_size_type)); + (struct elf_strtab_hash *, bfd_size_type); extern void _bfd_elf_strtab_delref - PARAMS ((struct elf_strtab_hash *, bfd_size_type)); + (struct elf_strtab_hash *, bfd_size_type); extern void _bfd_elf_strtab_clear_all_refs - PARAMS ((struct elf_strtab_hash *)); + (struct elf_strtab_hash *); extern bfd_size_type _bfd_elf_strtab_size - PARAMS ((struct elf_strtab_hash *)); + (struct elf_strtab_hash *); extern bfd_size_type _bfd_elf_strtab_offset - PARAMS ((struct elf_strtab_hash *, bfd_size_type)); -extern boolean _bfd_elf_strtab_emit - PARAMS ((bfd *, struct elf_strtab_hash *)); + (struct elf_strtab_hash *, bfd_size_type); +extern bfd_boolean _bfd_elf_strtab_emit + (bfd *, struct elf_strtab_hash *); extern void _bfd_elf_strtab_finalize - PARAMS ((struct elf_strtab_hash *)); + (struct elf_strtab_hash *); -extern boolean _bfd_elf_discard_section_eh_frame - PARAMS ((bfd *, struct bfd_link_info *, asection *, asection *, - boolean (*) (bfd_vma, PTR), struct elf_reloc_cookie *)); -extern boolean _bfd_elf_discard_section_eh_frame_hdr - PARAMS ((bfd *, struct bfd_link_info *, asection *)); +extern bfd_boolean _bfd_elf_discard_section_eh_frame + (bfd *, struct bfd_link_info *, asection *, + bfd_boolean (*) (bfd_vma, void *), struct elf_reloc_cookie *); +extern bfd_boolean _bfd_elf_discard_section_eh_frame_hdr + (bfd *, struct bfd_link_info *); extern bfd_vma _bfd_elf_eh_frame_section_offset - PARAMS ((bfd *, asection *, bfd_vma)); -extern boolean _bfd_elf_write_section_eh_frame - PARAMS ((bfd *, asection *, asection *, bfd_byte *)); -extern boolean _bfd_elf_write_section_eh_frame_hdr - PARAMS ((bfd *, asection *)); -extern boolean _bfd_elf_maybe_strip_eh_frame_hdr - PARAMS ((struct bfd_link_info *)); - -extern boolean _bfd_elf_link_record_dynamic_symbol - PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); + (bfd *, asection *, bfd_vma); +extern bfd_boolean _bfd_elf_write_section_eh_frame + (bfd *, struct bfd_link_info *, asection *, bfd_byte *); +extern bfd_boolean _bfd_elf_write_section_eh_frame_hdr + (bfd *, struct bfd_link_info *); +extern bfd_boolean _bfd_elf_maybe_strip_eh_frame_hdr + (struct bfd_link_info *); + +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 *); + +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); + +extern bfd_boolean _bfd_elf_export_symbol + (struct elf_link_hash_entry *, void *); + +extern bfd_boolean _bfd_elf_link_find_version_dependencies + (struct elf_link_hash_entry *, void *); + +extern bfd_boolean _bfd_elf_link_assign_sym_version + (struct elf_link_hash_entry *, void *); + extern long _bfd_elf_link_lookup_local_dynindx - PARAMS ((struct bfd_link_info *, bfd *, long)); -extern boolean _bfd_elf_compute_section_file_positions - PARAMS ((bfd *, struct bfd_link_info *)); + (struct bfd_link_info *, bfd *, long); +extern bfd_boolean _bfd_elf_compute_section_file_positions + (bfd *, struct bfd_link_info *); extern void _bfd_elf_assign_file_positions_for_relocs - PARAMS ((bfd *)); + (bfd *); extern file_ptr _bfd_elf_assign_file_position_for_section - PARAMS ((Elf_Internal_Shdr *, file_ptr, boolean)); + (Elf_Internal_Shdr *, file_ptr, bfd_boolean); -extern boolean _bfd_elf_validate_reloc - PARAMS ((bfd *, arelent *)); +extern bfd_boolean _bfd_elf_validate_reloc + (bfd *, arelent *); -extern boolean _bfd_elf_create_dynamic_sections - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean _bfd_elf_create_got_section - PARAMS ((bfd *, struct bfd_link_info *)); +extern bfd_boolean _bfd_elf_link_create_dynamic_sections + (bfd *, struct bfd_link_info *); +extern bfd_boolean _bfd_elf_create_dynamic_sections + (bfd *, struct bfd_link_info *); +extern bfd_boolean _bfd_elf_create_got_section + (bfd *, struct bfd_link_info *); extern unsigned long _bfd_elf_link_renumber_dynsyms - PARAMS ((bfd *, struct bfd_link_info *)); + (bfd *, struct bfd_link_info *); -extern boolean _bfd_elfcore_make_pseudosection - PARAMS ((bfd *, char *, size_t, ufile_ptr)); +extern bfd_boolean _bfd_elfcore_make_pseudosection + (bfd *, char *, size_t, ufile_ptr); extern char *_bfd_elfcore_strndup - PARAMS ((bfd *, char *, size_t)); + (bfd *, char *, size_t); -extern elf_linker_section_t *_bfd_elf_create_linker_section - PARAMS ((bfd *, struct bfd_link_info *, enum elf_linker_section_enum, - elf_linker_section_t *)); +extern Elf_Internal_Rela *_bfd_elf_link_read_relocs + (bfd *, asection *, void *, Elf_Internal_Rela *, bfd_boolean); -extern elf_linker_section_pointers_t *_bfd_elf_find_pointer_linker_section - PARAMS ((elf_linker_section_pointers_t *, bfd_vma, - elf_linker_section_enum_t)); +extern bfd_boolean _bfd_elf_link_size_reloc_section + (bfd *, Elf_Internal_Shdr *, asection *); -extern boolean bfd_elf32_create_pointer_linker_section - PARAMS ((bfd *, struct bfd_link_info *, elf_linker_section_t *, - struct elf_link_hash_entry *, const Elf32_Internal_Rela *)); +extern bfd_boolean _bfd_elf_link_output_relocs + (bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *); -extern bfd_vma bfd_elf32_finish_pointer_linker_section - PARAMS ((bfd *, bfd *, struct bfd_link_info *, elf_linker_section_t *, - struct elf_link_hash_entry *, bfd_vma, - const Elf32_Internal_Rela *, int)); +extern bfd_boolean _bfd_elf_fix_symbol_flags + (struct elf_link_hash_entry *, struct elf_info_failed *); -extern boolean bfd_elf64_create_pointer_linker_section - PARAMS ((bfd *, struct bfd_link_info *, elf_linker_section_t *, - struct elf_link_hash_entry *, const Elf64_Internal_Rela *)); +extern bfd_boolean _bfd_elf_adjust_dynamic_symbol + (struct elf_link_hash_entry *, void *); -extern bfd_vma bfd_elf64_finish_pointer_linker_section - PARAMS ((bfd *, bfd *, struct bfd_link_info *, elf_linker_section_t *, - struct elf_link_hash_entry *, bfd_vma, - const Elf64_Internal_Rela *, int)); +extern bfd_boolean _bfd_elf_link_sec_merge_syms + (struct elf_link_hash_entry *, void *); -extern boolean _bfd_elf_make_linker_section_rela - PARAMS ((bfd *, elf_linker_section_t *, int)); +extern bfd_boolean _bfd_elf_dynamic_symbol_p + (struct elf_link_hash_entry *, struct bfd_link_info *, bfd_boolean); + +extern bfd_boolean _bfd_elf_symbol_refs_local_p + (struct elf_link_hash_entry *, struct bfd_link_info *, bfd_boolean); extern const bfd_target *bfd_elf32_object_p - PARAMS ((bfd *)); + (bfd *); extern const bfd_target *bfd_elf32_core_file_p - PARAMS ((bfd *)); + (bfd *); extern char *bfd_elf32_core_file_failing_command - PARAMS ((bfd *)); + (bfd *); extern int bfd_elf32_core_file_failing_signal - PARAMS ((bfd *)); -extern boolean bfd_elf32_core_file_matches_executable_p - PARAMS ((bfd *, bfd *)); - -extern boolean bfd_elf32_bfd_link_add_symbols - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean bfd_elf32_bfd_final_link - PARAMS ((bfd *, struct bfd_link_info *)); + (bfd *); +extern bfd_boolean bfd_elf32_core_file_matches_executable_p + (bfd *, bfd *); extern void bfd_elf32_swap_symbol_in - PARAMS ((bfd *, const PTR, const PTR, Elf_Internal_Sym *)); + (bfd *, const void *, const void *, Elf_Internal_Sym *); extern void bfd_elf32_swap_symbol_out - PARAMS ((bfd *, const Elf_Internal_Sym *, PTR, PTR)); + (bfd *, const Elf_Internal_Sym *, void *, void *); extern void bfd_elf32_swap_reloc_in - PARAMS ((bfd *, const Elf32_External_Rel *, Elf_Internal_Rel *)); + (bfd *, const bfd_byte *, Elf_Internal_Rela *); extern void bfd_elf32_swap_reloc_out - PARAMS ((bfd *, const Elf_Internal_Rel *, Elf32_External_Rel *)); + (bfd *, const Elf_Internal_Rela *, bfd_byte *); extern void bfd_elf32_swap_reloca_in - PARAMS ((bfd *, const Elf32_External_Rela *, Elf_Internal_Rela *)); + (bfd *, const bfd_byte *, Elf_Internal_Rela *); extern void bfd_elf32_swap_reloca_out - PARAMS ((bfd *, const Elf_Internal_Rela *, Elf32_External_Rela *)); + (bfd *, const Elf_Internal_Rela *, bfd_byte *); extern void bfd_elf32_swap_phdr_in - PARAMS ((bfd *, const Elf32_External_Phdr *, Elf_Internal_Phdr *)); + (bfd *, const Elf32_External_Phdr *, Elf_Internal_Phdr *); extern void bfd_elf32_swap_phdr_out - PARAMS ((bfd *, const Elf_Internal_Phdr *, Elf32_External_Phdr *)); + (bfd *, const Elf_Internal_Phdr *, Elf32_External_Phdr *); extern void bfd_elf32_swap_dyn_in - PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *)); + (bfd *, const void *, Elf_Internal_Dyn *); extern void bfd_elf32_swap_dyn_out - PARAMS ((bfd *, const Elf_Internal_Dyn *, PTR)); + (bfd *, const Elf_Internal_Dyn *, void *); extern long bfd_elf32_slurp_symbol_table - PARAMS ((bfd *, asymbol **, boolean)); -extern boolean bfd_elf32_write_shdrs_and_ehdr - PARAMS ((bfd *)); + (bfd *, asymbol **, bfd_boolean); +extern bfd_boolean bfd_elf32_write_shdrs_and_ehdr + (bfd *); extern int bfd_elf32_write_out_phdrs - PARAMS ((bfd *, const Elf_Internal_Phdr *, unsigned int)); + (bfd *, const Elf_Internal_Phdr *, unsigned 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 - PARAMS ((bfd *, struct bfd_link_info *)); -extern Elf_Internal_Rela *_bfd_elf32_link_read_relocs - PARAMS ((bfd *, asection *, PTR, Elf_Internal_Rela *, boolean)); + (bfd *, asection *, void *); +extern bfd_boolean bfd_elf32_slurp_reloc_table + (bfd *, asection *, asymbol **, bfd_boolean); extern const bfd_target *bfd_elf64_object_p - PARAMS ((bfd *)); + (bfd *); extern const bfd_target *bfd_elf64_core_file_p - PARAMS ((bfd *)); + (bfd *); extern char *bfd_elf64_core_file_failing_command - PARAMS ((bfd *)); + (bfd *); extern int bfd_elf64_core_file_failing_signal - PARAMS ((bfd *)); -extern boolean bfd_elf64_core_file_matches_executable_p - PARAMS ((bfd *, bfd *)); -extern boolean bfd_elf64_bfd_link_add_symbols - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean bfd_elf64_bfd_final_link - PARAMS ((bfd *, struct bfd_link_info *)); + (bfd *); +extern bfd_boolean bfd_elf64_core_file_matches_executable_p + (bfd *, bfd *); extern void bfd_elf64_swap_symbol_in - PARAMS ((bfd *, const PTR, const PTR, Elf_Internal_Sym *)); + (bfd *, const void *, const void *, Elf_Internal_Sym *); extern void bfd_elf64_swap_symbol_out - PARAMS ((bfd *, const Elf_Internal_Sym *, PTR, PTR)); + (bfd *, const Elf_Internal_Sym *, void *, void *); extern void bfd_elf64_swap_reloc_in - PARAMS ((bfd *, const Elf64_External_Rel *, Elf_Internal_Rel *)); + (bfd *, const bfd_byte *, Elf_Internal_Rela *); extern void bfd_elf64_swap_reloc_out - PARAMS ((bfd *, const Elf_Internal_Rel *, Elf64_External_Rel *)); + (bfd *, const Elf_Internal_Rela *, bfd_byte *); extern void bfd_elf64_swap_reloca_in - PARAMS ((bfd *, const Elf64_External_Rela *, Elf_Internal_Rela *)); + (bfd *, const bfd_byte *, Elf_Internal_Rela *); extern void bfd_elf64_swap_reloca_out - PARAMS ((bfd *, const Elf_Internal_Rela *, Elf64_External_Rela *)); + (bfd *, const Elf_Internal_Rela *, bfd_byte *); extern void bfd_elf64_swap_phdr_in - PARAMS ((bfd *, const Elf64_External_Phdr *, Elf_Internal_Phdr *)); + (bfd *, const Elf64_External_Phdr *, Elf_Internal_Phdr *); extern void bfd_elf64_swap_phdr_out - PARAMS ((bfd *, const Elf_Internal_Phdr *, Elf64_External_Phdr *)); + (bfd *, const Elf_Internal_Phdr *, Elf64_External_Phdr *); extern void bfd_elf64_swap_dyn_in - PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *)); + (bfd *, const void *, Elf_Internal_Dyn *); extern void bfd_elf64_swap_dyn_out - PARAMS ((bfd *, const Elf_Internal_Dyn *, PTR)); + (bfd *, const Elf_Internal_Dyn *, void *); extern long bfd_elf64_slurp_symbol_table - PARAMS ((bfd *, asymbol **, boolean)); -extern boolean bfd_elf64_write_shdrs_and_ehdr - PARAMS ((bfd *)); + (bfd *, asymbol **, bfd_boolean); +extern bfd_boolean bfd_elf64_write_shdrs_and_ehdr + (bfd *); extern int bfd_elf64_write_out_phdrs - PARAMS ((bfd *, const Elf_Internal_Phdr *, unsigned int)); + (bfd *, const Elf_Internal_Phdr *, unsigned 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 *)); -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 - -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 *)); + (bfd *, asection *, void *); +extern bfd_boolean bfd_elf64_slurp_reloc_table + (bfd *, asection *, asymbol **, bfd_boolean); + +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); + +extern bfd_boolean bfd_elf_link_record_dynamic_symbol + (struct bfd_link_info *, struct elf_link_hash_entry *); + +extern int bfd_elf_link_record_local_dynamic_symbol + (struct bfd_link_info *, bfd *, long); + +extern bfd_boolean _bfd_elf_close_and_cleanup + (bfd *); extern bfd_reloc_status_type _bfd_elf_rel_vtable_reloc_fn - PARAMS ((bfd *, arelent *, struct symbol_cache_entry *, PTR, - asection *, bfd *, char **)); - -extern boolean _bfd_elf32_gc_sections - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean _bfd_elf32_gc_common_finalize_got_offsets - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean _bfd_elf32_gc_common_final_link - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean _bfd_elf32_gc_record_vtinherit - PARAMS ((bfd *, asection *, struct elf_link_hash_entry *, bfd_vma)); -extern boolean _bfd_elf32_gc_record_vtentry - PARAMS ((bfd *, asection *, struct elf_link_hash_entry *, bfd_vma)); - -extern boolean _bfd_elf64_gc_sections - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean _bfd_elf64_gc_common_finalize_got_offsets - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean _bfd_elf64_gc_common_final_link - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean _bfd_elf64_gc_record_vtinherit - PARAMS ((bfd *, asection *, struct elf_link_hash_entry *, bfd_vma)); -extern boolean _bfd_elf64_gc_record_vtentry - PARAMS ((bfd *, asection *, struct elf_link_hash_entry *, bfd_vma)); - -extern boolean _bfd_elf32_reloc_symbol_deleted_p - PARAMS ((bfd_vma, PTR)); -extern boolean _bfd_elf64_reloc_symbol_deleted_p - PARAMS ((bfd_vma, PTR)); + (bfd *, arelent *, struct bfd_symbol *, void *, + asection *, bfd *, char **); + +extern bfd_boolean bfd_elf_final_link + (bfd *, struct bfd_link_info *); + +extern bfd_boolean bfd_elf_gc_sections + (bfd *, struct bfd_link_info *); + +extern bfd_boolean bfd_elf_gc_record_vtinherit + (bfd *, asection *, struct elf_link_hash_entry *, bfd_vma); + +extern bfd_boolean bfd_elf_gc_record_vtentry + (bfd *, asection *, struct elf_link_hash_entry *, bfd_vma); + +extern bfd_boolean bfd_elf_gc_common_finalize_got_offsets + (bfd *, struct bfd_link_info *); + +extern bfd_boolean bfd_elf_gc_common_final_link + (bfd *, struct bfd_link_info *); + +extern bfd_boolean bfd_elf_reloc_symbol_deleted_p + (bfd_vma, void *); /* Exported interface for writing elf corefile notes. */ extern char *elfcore_write_note - PARAMS ((bfd *, char *, int *, const char *, int, const PTR, int)); + (bfd *, char *, int *, const char *, int, const void *, int); extern char *elfcore_write_prpsinfo - PARAMS ((bfd *, char *, int *, const char *, const char *)); + (bfd *, char *, int *, const char *, const char *); extern char *elfcore_write_prstatus - PARAMS ((bfd *, char *, int *, long, int, const PTR)); + (bfd *, char *, int *, long, int, const void *); extern char * elfcore_write_pstatus - PARAMS ((bfd *, char *, int *, long, int, const PTR)); + (bfd *, char *, int *, long, int, const void *); extern char *elfcore_write_prfpreg - PARAMS ((bfd *, char *, int *, const PTR, int)); + (bfd *, char *, int *, const void *, int); extern char *elfcore_write_prxfpreg - PARAMS ((bfd *, char *, int *, const PTR, int)); + (bfd *, char *, int *, const void *, int); extern char *elfcore_write_lwpstatus - PARAMS ((bfd *, char *, int *, long, int, const PTR)); + (bfd *, char *, int *, long, int, const void *); + +extern bfd *_bfd_elf32_bfd_from_remote_memory + (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep, + int (*target_read_memory) (bfd_vma, char *, int)); +extern bfd *_bfd_elf64_bfd_from_remote_memory + (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep, + int (*target_read_memory) (bfd_vma, char *, int)); /* SH ELF specific routine. */ -extern boolean _sh_elf_set_mach_from_flags - PARAMS ((bfd *)); +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(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_ */ |