X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Fld.h;h=e0ca3e83f0c8bf60c646b0838964de39c6c73687;hb=7e993ebf2343a5b39d6d1df29fdebc2818064ae5;hp=75c054e77547d91272d1b6cd20e1be1b9705510d;hpb=312b768e2f1579346e7ffe978202fda06cb37224;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/ld.h b/ld/ld.h index 75c054e775..e0ca3e83f0 100644 --- a/ld/ld.h +++ b/ld/ld.h @@ -1,28 +1,45 @@ /* ld.h -- general linker header file - Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2002 - Free Software Foundation, Inc. + Copyright (C) 1991-2015 Free Software Foundation, Inc. - This file is part of GLD, the Gnu Linker. + This file is part of the GNU Binutils. - GLD is free software; you can redistribute it and/or modify + 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, or (at your option) - any later version. + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. - GLD is distributed in the hope that it will be useful, + 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 GLD; see the file COPYING. If not, write to the Free - Software Foundation, 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. */ + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ #ifndef LD_H #define LD_H #ifdef HAVE_LOCALE_H +#endif +#ifndef SEEK_CUR +#define SEEK_CUR 1 +#endif +#ifndef SEEK_END +#define SEEK_END 2 +#endif + +#ifdef HAVE_LOCALE_H +# ifndef ENABLE_NLS + /* The Solaris version of locale.h always includes libintl.h. If we have + been configured with --disable-nls then ENABLE_NLS will not be defined + and the dummy definitions of bindtextdomain (et al) below will conflict + with the defintions in libintl.h. So we define these values to prevent + the bogus inclusion of libintl.h. */ +# define _LIBINTL_H +# define _LIBGETTEXT_H +# endif # include #endif @@ -44,8 +61,6 @@ # define N_(String) (String) #endif -#include "bin-bugs.h" - /* Look in this environment name for the linker to pretend to be */ #define EMULATION_ENVIRON "LDEMULATION" /* If in there look for the strings: */ @@ -64,13 +79,22 @@ typedef struct name_list { } name_list; -/* A wildcard specification. This is only used in ldgram.y, but it - winds up in ldgram.h, so we need to define it outside. */ +typedef enum {sort_none, sort_ascending, sort_descending} sort_order; + +/* A wildcard specification. */ + +typedef enum { + none, by_name, by_alignment, by_name_alignment, by_alignment_name, + by_none, by_init_priority +} sort_type; + +extern sort_type sort_section; struct wildcard_spec { const char *name; struct name_list *exclude_name_list; - bfd_boolean sorted; + sort_type sorted; + struct flag_info *section_flag_list; }; struct wildcard_list { @@ -78,42 +102,33 @@ struct wildcard_list { struct wildcard_spec spec; }; -/* Extra information we hold on sections */ -typedef struct user_section_struct { - /* Pointer to the section where this data will go */ - struct lang_input_statement_struct *file; -} section_userdata_type; - -#define get_userdata(x) ((x)->userdata) - #define BYTE_SIZE (1) #define SHORT_SIZE (2) #define LONG_SIZE (4) #define QUAD_SIZE (8) +enum endian_enum { ENDIAN_UNSET = 0, ENDIAN_BIG, ENDIAN_LITTLE }; + +enum symbolic_enum + { + symbolic_unset = 0, + symbolic, + symbolic_functions, + }; + +enum dynamic_list_enum + { + dynamic_list_unset = 0, + dynamic_list_data, + dynamic_list + }; + typedef struct { /* 1 => assign space to common symbols even if `relocatable_output'. */ bfd_boolean force_common_definition; /* 1 => do not assign addresses to common symbols. */ bfd_boolean inhibit_common_definition; - bfd_boolean relax; - - /* Name of runtime interpreter to invoke. */ - char *interpreter; - - /* Name to give runtime libary from the -soname argument. */ - char *soname; - - /* Runtime library search path from the -rpath argument. */ - char *rpath; - - /* Link time runtime library search path from the -rpath-link - argument. */ - char *rpath_link; - - /* Big or little endian as set on command line. */ - enum { ENDIAN_UNSET = 0, ENDIAN_BIG, ENDIAN_LITTLE } endian; /* If TRUE, build MIPS embedded PIC relocation tables in the output file. */ @@ -129,8 +144,45 @@ typedef struct { files. */ bfd_boolean warn_mismatch; - /* Remove unreferenced sections? */ - bfd_boolean gc_sections; + /* Warn on attempting to open an incompatible library during a library + search. */ + bfd_boolean warn_search_mismatch; + + /* If non-zero check section addresses, once computed, + for overlaps. Relocatable links only check when this is > 0. */ + signed char check_section_addresses; + + /* If TRUE allow the linking of input files in an unknown architecture + assuming that the user knows what they are doing. This was the old + behaviour of the linker. The new default behaviour is to reject such + input files. */ + bfd_boolean accept_unknown_input_arch; + + /* If TRUE we'll just print the default output on stdout. */ + bfd_boolean print_output_format; + + /* Big or little endian as set on command line. */ + enum endian_enum endian; + + /* -Bsymbolic and -Bsymbolic-functions, as set on command line. */ + enum symbolic_enum symbolic; + + /* --dynamic-list, --dynamic-list-cpp-new, --dynamic-list-cpp-typeinfo + and --dynamic-list FILE, as set on command line. */ + enum dynamic_list_enum dynamic_list; + + /* Name of runtime interpreter to invoke. */ + char *interpreter; + + /* Name to give runtime libary from the -soname argument. */ + char *soname; + + /* Runtime library search path from the -rpath argument. */ + char *rpath; + + /* Link time runtime library search path from the -rpath-link + argument. */ + char *rpath_link; /* Name of shared object whose symbol table should be filtered with this shared object. From the --filter option. */ @@ -144,16 +196,8 @@ typedef struct { .exports sections. */ char *version_exports_section; - /* If TRUE (the default) check section addresses, once compute, - fpor overlaps. */ - bfd_boolean check_section_addresses; - - /* If TRUE allow the linking of input files in an unknown architecture - assuming that the user knows what they are doing. This was the old - behaviour of the linker. The new default behaviour is to reject such - input files. */ - bfd_boolean accept_unknown_input_arch; - + /* Default linker script. */ + char *default_script; } args_type; extern args_type command_line; @@ -161,13 +205,9 @@ extern args_type command_line; typedef int token_code_type; typedef struct { - bfd_size_type specified_data_size; bfd_boolean magic_demand_paged; bfd_boolean make_executable; - /* If TRUE, doing a dynamic link. */ - bfd_boolean dynamic_link; - /* If TRUE, -shared is supported. */ /* ??? A better way to do this is perhaps to define this in the ld_emulation_xfer_struct since this is really a target dependent @@ -197,53 +237,63 @@ typedef struct { /* If TRUE, warning messages are fatal */ bfd_boolean fatal_warnings; - bfd_boolean sort_common; + sort_order sort_common; bfd_boolean text_read_only; - char *map_filename; - FILE *map_file; - bfd_boolean stats; /* If set, orphan input sections will be mapped to separate output sections. */ bfd_boolean unique_orphan_sections; - unsigned int split_by_reloc; - bfd_size_type split_by_file; - /* If set, only search library directories explicitly selected on the command line. */ bfd_boolean only_cmd_line_lib_dirs; -} ld_config_type; -extern ld_config_type config; + /* If set, numbers and absolute symbols are simply treated as + numbers everywhere. */ + bfd_boolean sane_expr; -typedef enum { - lang_first_phase_enum, - lang_allocating_phase_enum, - lang_final_phase_enum -} lang_phase_type; + /* If set, code and non-code sections should never be in one segment. */ + bfd_boolean separate_code; -extern FILE * saved_script_handle; -extern bfd_boolean force_make_executable; + /* The rpath separation character. Usually ':'. */ + char rpath_separator; + + char *map_filename; + FILE *map_file; -/* Non-zero if we are processing a --defsym from the command line. */ -extern int parsing_defsym; + unsigned int split_by_reloc; + bfd_size_type split_by_file; + + bfd_size_type specified_data_size; + + /* The size of the hash table to use. */ + unsigned long hash_table_size; -extern int yyparse PARAMS ((void)); + /* The maximum page size for ELF. */ + bfd_vma maxpagesize; -extern void add_cref PARAMS ((const char *, bfd *, asection *, bfd_vma)); -extern void output_cref PARAMS ((FILE *)); -extern void check_nocrossrefs PARAMS ((void)); + /* The common page size for ELF. */ + bfd_vma commonpagesize; +} ld_config_type; + +extern ld_config_type config; + +extern FILE * saved_script_handle; +extern bfd_boolean force_make_executable; -extern void ld_abort PARAMS ((const char *, int, const char *)) - ATTRIBUTE_NORETURN; +extern int yyparse (void); +extern void add_cref (const char *, bfd *, asection *, bfd_vma); +extern bfd_boolean handle_asneeded_cref (bfd *, enum notice_asneeded_action); +extern void output_cref (FILE *); +extern void check_nocrossrefs (void); +extern void ld_abort (const char *, int, const char *) ATTRIBUTE_NORETURN; /* If gcc >= 2.6, we can give a function name, too. */ #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) -#define __PRETTY_FUNCTION__ ((char*) NULL) +#define __PRETTY_FUNCTION__ NULL #endif #undef abort