X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Flibxcoff.h;h=d379cba1f6d4811cb9abccdb739adbd9e6e76100;hb=1b61f46da5e55bf2df243215f34ffbca4bcf6d9e;hp=83a65924c64b2cb48c37080018fba58e6b087d35;hpb=814fa6ab15c254570c9a4d34e4b24a1a8a72ad02;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/libxcoff.h b/bfd/libxcoff.h index 83a65924c6..d379cba1f6 100644 --- a/bfd/libxcoff.h +++ b/bfd/libxcoff.h @@ -1,22 +1,23 @@ /* BFD XCOFF object file private structure. - Copyright (C) 2001 Free Software Foundation, Inc. + Copyright (C) 2001-2019 Free Software Foundation, Inc. Written by Tom Rix, Redhat. -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 3 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ #ifndef LIBXCOFF_H #define LIBXCOFF_H @@ -28,239 +29,232 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ struct xcoff_backend_data_rec { - /* - * COFF backend information. Must be the first field. - * This is where the std coff swap table goes - */ + /* COFF backend information. */ bfd_coff_backend_data coff; - /* Magic number */ - unsigned short _xcoff_magic_number; + /* Magic number. */ + unsigned short _xcoff_magic_number; - /* Architecture and machine for coff_set_arch_mach_hook */ + /* Architecture and machine for coff_set_arch_mach_hook. */ enum bfd_architecture _xcoff_architecture; long _xcoff_machine; - /* function pointers to xcoff specific swap routines */ - void (* _xcoff_swap_ldhdr_in)(bfd *, const PTR, struct internal_ldhdr *); - void (* _xcoff_swap_ldhdr_out)(bfd *, const struct internal_ldhdr *, PTR); - void (* _xcoff_swap_ldsym_in)(bfd *, const PTR, struct internal_ldsym *); - void (* _xcoff_swap_ldsym_out)(bfd *, const struct internal_ldsym *, PTR); - void (* _xcoff_swap_ldrel_in)(bfd *, const PTR, struct internal_ldrel *); - void (* _xcoff_swap_ldrel_out)(bfd *, const struct internal_ldrel *, PTR); + /* Function pointers to xcoff specific swap routines. */ + void (* _xcoff_swap_ldhdr_in) (bfd *, const void *, struct internal_ldhdr *); + void (* _xcoff_swap_ldhdr_out)(bfd *, const struct internal_ldhdr *, void *); + void (* _xcoff_swap_ldsym_in) (bfd *, const void *, struct internal_ldsym *); + void (* _xcoff_swap_ldsym_out)(bfd *, const struct internal_ldsym *, void *); + void (* _xcoff_swap_ldrel_in) (bfd *, const void *, struct internal_ldrel *); + void (* _xcoff_swap_ldrel_out)(bfd *, const struct internal_ldrel *, void *); - /* size of the the external struct */ - unsigned int _xcoff_ldhdrsz; + /* Size of the external struct. */ + unsigned int _xcoff_ldhdrsz; unsigned int _xcoff_ldsymsz; unsigned int _xcoff_ldrelsz; - /* size an entry in a descriptor section */ + /* Size an entry in a descriptor section. */ unsigned int _xcoff_function_descriptor_size; - /* size of the small aout file header */ + /* Size of the small aout file header. */ unsigned int _xcoff_small_aout_header_size; - /* - * version - * loader version - * 1 : xcoff32 - * 2 : xcoff64 - */ + /* Loader version + 1 : XCOFF32 + 2 : XCOFF64. */ unsigned long _xcoff_ldhdr_version; - boolean (* _xcoff_put_symbol_name)(bfd *, struct bfd_strtab_hash *, - struct internal_syment *, - const char *); + bfd_boolean (* _xcoff_put_symbol_name) + (struct bfd_link_info *, struct bfd_strtab_hash *, + struct internal_syment *, const char *); - boolean (* _xcoff_put_ldsymbol_name)(bfd *, struct xcoff_loader_info *, - struct internal_ldsym *, - const char *); + bfd_boolean (* _xcoff_put_ldsymbol_name) + (bfd *, struct xcoff_loader_info *, struct internal_ldsym *, + const char *); reloc_howto_type *_xcoff_dynamic_reloc; - asection * (* _xcoff_create_csect_from_smclas) (bfd *, union internal_auxent *, const char *); - - /* - * line_no and reloc overflow - * 32 overflows to another section when the line_no or reloc count go - * over 0xffff. 64 does not overflow. - */ - boolean (*_xcoff_is_lineno_count_overflow)(bfd *, bfd_vma); - boolean (*_xcoff_is_reloc_count_overflow)(bfd *, bfd_vma); - - /* - * .loader symbol table offset - * 32 is after the .loader header - * 64 is offset in .loader header - * - * Similar for the reloc table - */ - bfd_vma (*_xcoff_loader_symbol_offset)(bfd *, struct internal_ldhdr *); - bfd_vma (*_xcoff_loader_reloc_offset)(bfd *, struct internal_ldhdr *); - - - /* - * Global linkage - * - * The first word of global linkage code must be be modified by - * filling in the correct TOC offset. - */ + asection * (* _xcoff_create_csect_from_smclas) + (bfd *, union internal_auxent *, const char *); + + /* Line number and relocation overflow. + XCOFF32 overflows to another section when the line number or the + relocation count exceeds 0xffff. XCOFF64 does not overflow. */ + bfd_boolean (*_xcoff_is_lineno_count_overflow) (bfd *, bfd_vma); + bfd_boolean (*_xcoff_is_reloc_count_overflow) (bfd *, bfd_vma); + + /* Loader section symbol and relocation table offset + XCOFF32 is after the .loader header + XCOFF64 is offset in .loader header. */ + bfd_vma (*_xcoff_loader_symbol_offset) (bfd *, struct internal_ldhdr *); + bfd_vma (*_xcoff_loader_reloc_offset) (bfd *, struct internal_ldhdr *); + + /* Global linkage. The first word of global linkage code must be be + modified by filling in the correct TOC offset. */ unsigned long *_xcoff_glink_code; - /* - * Size of the global link code in bytes of the xcoff_glink_code table - */ + /* Size of the global link code in bytes of the xcoff_glink_code table. */ unsigned long _xcoff_glink_size; + /* rtinit. */ + unsigned int _xcoff_rtinit_size; + bfd_boolean (*_xcoff_generate_rtinit) + (bfd *, const char *, const char *, bfd_boolean); }; /* Look up an entry in an XCOFF link hash table. */ - #define xcoff_link_hash_lookup(table, string, create, copy, follow) \ ((struct xcoff_link_hash_entry *) \ bfd_link_hash_lookup (&(table)->root, (string), (create), (copy),\ (follow))) /* Traverse an XCOFF link hash table. */ - #define xcoff_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 XCOFF link hash table from the info structure. This is just a cast. */ - #define xcoff_hash_table(p) ((struct xcoff_link_hash_table *) ((p)->hash)) #define xcoff_backend(abfd) \ ((struct xcoff_backend_data_rec *) (abfd)->xvec->backend_data) -#define bfd_xcoff_magic_number(a) ((xcoff_backend(a)->_xcoff_magic_number)) -#define bfd_xcoff_architecture(a) ((xcoff_backend(a)->_xcoff_architecture)) -#define bfd_xcoff_machine(a) ((xcoff_backend(a)->_xcoff_machine)) +#define bfd_xcoff_magic_number(a) ((xcoff_backend (a)->_xcoff_magic_number)) +#define bfd_xcoff_architecture(a) ((xcoff_backend (a)->_xcoff_architecture)) +#define bfd_xcoff_machine(a) ((xcoff_backend (a)->_xcoff_machine)) #define bfd_xcoff_swap_ldhdr_in(a, b, c) \ - ((xcoff_backend(a)->_xcoff_swap_ldhdr_in) ((a), (b), (c))) + ((xcoff_backend (a)->_xcoff_swap_ldhdr_in) ((a), (b), (c))) #define bfd_xcoff_swap_ldhdr_out(a, b, c) \ - ((xcoff_backend(a)->_xcoff_swap_ldhdr_out) ((a), (b), (c))) + ((xcoff_backend (a)->_xcoff_swap_ldhdr_out) ((a), (b), (c))) #define bfd_xcoff_swap_ldsym_in(a, b, c) \ - ((xcoff_backend(a)->_xcoff_swap_ldsym_in) ((a), (b), (c))) + ((xcoff_backend (a)->_xcoff_swap_ldsym_in) ((a), (b), (c))) #define bfd_xcoff_swap_ldsym_out(a, b, c) \ - ((xcoff_backend(a)->_xcoff_swap_ldsym_out) ((a), (b), (c))) + ((xcoff_backend (a)->_xcoff_swap_ldsym_out) ((a), (b), (c))) #define bfd_xcoff_swap_ldrel_in(a, b, c) \ - ((xcoff_backend(a)->_xcoff_swap_ldrel_in) ((a), (b), (c))) + ((xcoff_backend (a)->_xcoff_swap_ldrel_in) ((a), (b), (c))) #define bfd_xcoff_swap_ldrel_out(a, b, c) \ - ((xcoff_backend(a)->_xcoff_swap_ldrel_out) ((a), (b), (c))) + ((xcoff_backend (a)->_xcoff_swap_ldrel_out) ((a), (b), (c))) -#define bfd_xcoff_ldhdrsz(a) ((xcoff_backend(a)->_xcoff_ldhdrsz)) -#define bfd_xcoff_ldsymsz(a) ((xcoff_backend(a)->_xcoff_ldsymsz)) -#define bfd_xcoff_ldrelsz(a) ((xcoff_backend(a)->_xcoff_ldrelsz)) +#define bfd_xcoff_ldhdrsz(a) ((xcoff_backend (a)->_xcoff_ldhdrsz)) +#define bfd_xcoff_ldsymsz(a) ((xcoff_backend (a)->_xcoff_ldsymsz)) +#define bfd_xcoff_ldrelsz(a) ((xcoff_backend (a)->_xcoff_ldrelsz)) #define bfd_xcoff_function_descriptor_size(a) \ - ((xcoff_backend(a)->_xcoff_function_descriptor_size)) + ((xcoff_backend (a)->_xcoff_function_descriptor_size)) #define bfd_xcoff_small_aout_header_size(a) \ - ((xcoff_backend(a)->_xcoff_small_aout_header_size)) + ((xcoff_backend (a)->_xcoff_small_aout_header_size)) -#define bfd_xcoff_ldhdr_version(a) ((xcoff_backend(a)->_xcoff_ldhdr_version)) +#define bfd_xcoff_ldhdr_version(a) ((xcoff_backend (a)->_xcoff_ldhdr_version)) -#define bfd_xcoff_put_symbol_name(a, b, c, d) \ - ((xcoff_backend(a)->_xcoff_put_symbol_name) ((a), (b), (c), (d))) +#define bfd_xcoff_put_symbol_name(a, b, c, d, e) \ + ((xcoff_backend (a)->_xcoff_put_symbol_name) ((b), (c), (d), (e))) #define bfd_xcoff_put_ldsymbol_name(a, b, c, d) \ - ((xcoff_backend(a)->_xcoff_put_ldsymbol_name) ((a), (b), (c), (d))) + ((xcoff_backend (a)->_xcoff_put_ldsymbol_name) ((a), (b), (c), (d))) /* Get the XCOFF hash table entries for a BFD. */ #define obj_xcoff_sym_hashes(bfd) \ ((struct xcoff_link_hash_entry **) obj_coff_sym_hashes (bfd)) #define bfd_xcoff_dynamic_reloc_howto(a) \ - ((xcoff_backend(a)->_xcoff_dynamic_reloc)) + ((xcoff_backend (a)->_xcoff_dynamic_reloc)) #define bfd_xcoff_create_csect_from_smclas(a, b, c) \ - ((xcoff_backend(a)->_xcoff_create_csect_from_smclas((a), (b), (c)))) + ((xcoff_backend (a)->_xcoff_create_csect_from_smclas((a), (b), (c)))) #define bfd_xcoff_is_lineno_count_overflow(a, b) \ - ((xcoff_backend(a)->_xcoff_is_lineno_count_overflow((a), (b)))) + ((xcoff_backend (a)->_xcoff_is_lineno_count_overflow((a), (b)))) #define bfd_xcoff_is_reloc_count_overflow(a, b) \ - ((xcoff_backend(a)->_xcoff_is_reloc_count_overflow((a), (b)))) + ((xcoff_backend (a)->_xcoff_is_reloc_count_overflow((a), (b)))) #define bfd_xcoff_loader_symbol_offset(a, b) \ - ((xcoff_backend(a)->_xcoff_loader_symbol_offset((a), (b)))) + ((xcoff_backend (a)->_xcoff_loader_symbol_offset((a), (b)))) #define bfd_xcoff_loader_reloc_offset(a, b) \ - ((xcoff_backend(a)->_xcoff_loader_reloc_offset((a), (b)))) - -#define bfd_xcoff_glink_code(a, b) ((xcoff_backend(a)->_xcoff_glink_code[(b)])) -#define bfd_xcoff_glink_code_size(a) ((xcoff_backend(a)->_xcoff_glink_size)) - -#define bfd_xcoff_is_xcoff64(a) (0x01EF == (bfd_xcoff_magic_number(a))) -#define bfd_xcoff_is_xcoff32(a) (0x01DF == (bfd_xcoff_magic_number(a))) - -/* Functions in xcofflink.c. */ - -extern long _bfd_xcoff_get_dynamic_symtab_upper_bound PARAMS ((bfd *)); -extern long _bfd_xcoff_canonicalize_dynamic_symtab - PARAMS ((bfd *, asymbol **)); -extern long _bfd_xcoff_get_dynamic_reloc_upper_bound PARAMS ((bfd *)); -extern long _bfd_xcoff_canonicalize_dynamic_reloc - PARAMS ((bfd *, arelent **, asymbol **)); -extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create - PARAMS ((bfd *)); -extern boolean _bfd_xcoff_bfd_link_add_symbols - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean _bfd_xcoff_bfd_final_link - PARAMS ((bfd *, struct bfd_link_info *)); -extern boolean _bfd_xcoff_slurp_symbol_table - PARAMS ((bfd *)); -extern long _bfd_xcoff_get_symbol_table - PARAMS ((bfd *, asymbol **)); -extern asymbol *_bfd_xcoff_make_empty_symbol - PARAMS ((bfd *)); -extern long _bfd_xcoff_get_symbol_table_upper_bound - PARAMS ((bfd *)); -extern void _bfd_xcoff_print_symbol - PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type)); -extern void _bfd_xcoff_get_symbol_info - PARAMS ((bfd *, asymbol *, symbol_info *)); -extern long _bfd_xcoff_canonicalize_reloc - PARAMS((bfd *, sec_ptr, arelent **, asymbol **)); -extern reloc_howto_type *_bfd_xcoff_rtype_to_howto - PARAMS ((bfd *, asection *, struct internal_reloc *, - struct coff_link_hash_entry *, struct internal_syment *, - bfd_vma *)); -extern boolean _bfd_xcoff_set_section_contents - PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type)); -boolean _bfd_xcoff_write_object_contents PARAMS ((bfd *)); - - -/* XCOFF support routines for the linker. */ - -extern boolean bfd_xcoff_link_record_set - PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, - bfd_size_type)); -extern boolean bfd_xcoff_import_symbol - PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, - bfd_vma, const char *, const char *, const char *)); -extern boolean bfd_xcoff_export_symbol - PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, - boolean)); -extern boolean bfd_xcoff_link_count_reloc - PARAMS ((bfd *, struct bfd_link_info *, const char *)); -extern boolean bfd_xcoff_record_link_assignment - PARAMS ((bfd *, struct bfd_link_info *, const char *)); -extern boolean bfd_xcoff_size_dynamic_sections - PARAMS ((bfd *, struct bfd_link_info *, const char *, const char *, - unsigned long, unsigned long, unsigned long, boolean, - int, boolean, boolean, struct sec **)); -extern boolean xcoff_slurp_reloc_table - PARAMS ((bfd *, asection *, asymbol **)); + ((xcoff_backend (a)->_xcoff_loader_reloc_offset((a), (b)))) + +#define bfd_xcoff_glink_code(a, b) ((xcoff_backend (a)->_xcoff_glink_code[(b)])) +#define bfd_xcoff_glink_code_size(a) ((xcoff_backend (a)->_xcoff_glink_size)) + +/* Check for the magic number U803XTOCMAGIC or U64_TOCMAGIC for 64 bit + targets. */ +#define bfd_xcoff_is_xcoff64(a) \ + ( (0x01EF == (bfd_xcoff_magic_number (a))) \ + || (0x01F7 == (bfd_xcoff_magic_number (a)))) + +/* Check for the magic number U802TOMAGIC for 32 bit targets. */ +#define bfd_xcoff_is_xcoff32(a) (0x01DF == (bfd_xcoff_magic_number (a))) + +#define bfd_xcoff_rtinit_size(a) ((xcoff_backend (a)->_xcoff_rtinit_size)) +#define bfd_xcoff_generate_rtinit(a, b, c, d) ((xcoff_backend (a)->_xcoff_generate_rtinit ((a), (b), (c), (d)))) + +/* Accessor macros for tdata. */ +#define bfd_xcoff_text_align_power(a) ((xcoff_data (a)->text_align_power)) +#define bfd_xcoff_data_align_power(a) ((xcoff_data (a)->data_align_power)) + +/* xcoff*_ppc_relocate_section macros */ +#define XCOFF_MAX_CALCULATE_RELOCATION (0x1c) +#define XCOFF_MAX_COMPLAIN_OVERFLOW (4) +/* N_ONES produces N one bits, without overflowing machine arithmetic. */ +#ifdef N_ONES +#undef N_ONES +#endif +#define N_ONES(n) (((((bfd_vma) 1 << ((n) - 1)) - 1) << 1) | 1) + +#define XCOFF_RELOC_FUNCTION_ARGS \ + bfd *, asection *, bfd *, struct internal_reloc *, \ + struct internal_syment *, struct reloc_howto_struct *, bfd_vma, bfd_vma, \ + bfd_vma *relocation, bfd_byte *contents + +#define XCOFF_COMPLAIN_FUNCTION_ARGS \ + bfd *, bfd_vma, bfd_vma, struct reloc_howto_struct *howto + +extern bfd_boolean (*xcoff_calculate_relocation[XCOFF_MAX_CALCULATE_RELOCATION]) + (XCOFF_RELOC_FUNCTION_ARGS); +extern bfd_boolean (*xcoff_complain_overflow[XCOFF_MAX_COMPLAIN_OVERFLOW]) + (XCOFF_COMPLAIN_FUNCTION_ARGS); + +#define XCOFF_NO_LONG_SECTION_NAMES (FALSE), bfd_coff_set_long_section_names_disallowed + +/* Relocation functions */ +bfd_boolean xcoff_reloc_type_noop (XCOFF_RELOC_FUNCTION_ARGS); +bfd_boolean xcoff_reloc_type_fail (XCOFF_RELOC_FUNCTION_ARGS); +bfd_boolean xcoff_reloc_type_pos (XCOFF_RELOC_FUNCTION_ARGS); +bfd_boolean xcoff_reloc_type_neg (XCOFF_RELOC_FUNCTION_ARGS); +bfd_boolean xcoff_reloc_type_rel (XCOFF_RELOC_FUNCTION_ARGS); +bfd_boolean xcoff_reloc_type_toc (XCOFF_RELOC_FUNCTION_ARGS); +bfd_boolean xcoff_reloc_type_ba (XCOFF_RELOC_FUNCTION_ARGS); +bfd_boolean xcoff_reloc_type_crel (XCOFF_RELOC_FUNCTION_ARGS); + +/* Structure to describe dwarf sections. + Useful to convert from XCOFF section name to flag and vice-versa. + Also mark if section has a length field at the beginning. */ +struct xcoff_dwsect_name { + /* A XCOFF dwarf section is identified by its name. */ + unsigned int flag; + + /* Corresponding XCOFF section name. */ + const char *name; + + /* True if size must be prepended. */ + bfd_boolean def_size; +}; + +/* Number of entries in the array. The number is known and public so that user + can 'extend' this array by index. */ +#define XCOFF_DWSECT_NBR_NAMES 8 + +/* The dwarf sections array. */ +extern const struct xcoff_dwsect_name + xcoff_dwsect_names[XCOFF_DWSECT_NBR_NAMES]; #endif /* LIBXCOFF_H */