X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=ld%2Fld.h;h=a18b265eb85838ff3e32dfdf46a6b34f0a3df23e;hb=a1999d402252588a8087f705f21da889135a222c;hp=174e5b9f20ac2641d1a5c1363d12e6356bfa533f;hpb=24718e3ba575439155f233fc593a9ebd6d33f3c5;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/ld.h b/ld/ld.h index 174e5b9f20..a18b265eb8 100644 --- a/ld/ld.h +++ b/ld/ld.h @@ -1,24 +1,24 @@ /* ld.h -- general linker header file Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, - 2001, 2002, 2003, 2004, 2005 + 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 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, 51 Franklin Street - Fifth Floor, Boston, MA - 02110-1301, 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 @@ -32,24 +32,6 @@ #define SEEK_END 2 #endif -#if defined(__GNUC__) && !defined(C_ALLOCA) -# undef alloca -# define alloca __builtin_alloca -#else -# if defined(HAVE_ALLOCA_H) && !defined(C_ALLOCA) -# include -# else -# ifndef alloca /* predefined by HP cc +Olibcalls */ -# if !defined (__STDC__) && !defined (__hpux) -char *alloca (); -# else -void *alloca (); -# endif /* __STDC__, __hpux */ -# endif /* alloca */ -# endif /* HAVE_ALLOCA_H */ -#endif - - #ifdef HAVE_LOCALE_H # ifndef ENABLE_NLS /* The Solaris version of locale.h always includes libintl.h. If we have @@ -81,8 +63,6 @@ void *alloca (); # 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: */ @@ -101,10 +81,13 @@ typedef struct name_list { } name_list; +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 + none, by_name, by_alignment, by_name_alignment, by_alignment_name, + by_init_priority } sort_type; extern sort_type sort_section; @@ -113,6 +96,7 @@ struct wildcard_spec { const char *name; struct name_list *exclude_name_list; sort_type sorted; + struct flag_info *section_flag_list; }; struct wildcard_list { @@ -132,6 +116,7 @@ typedef struct fat_user_section_struct { list of hash table entries for symbols defined in this section. */ struct map_symbol_def *map_symbol_def_head; struct map_symbol_def **map_symbol_def_tail; + unsigned long map_symbol_def_count; } fat_section_userdata_type; #define get_userdata(x) ((x)->userdata) @@ -141,29 +126,51 @@ typedef struct fat_user_section_struct { #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; + /* Enable or disable target specific optimizations. + + Not all targets have optimizations to enable. + + Normally these optimizations are disabled by default but some targets + prefer to enable them by default. So this field is a tri-state variable. + The values are: + + zero: Enable the optimizations (either from --relax being specified on + the command line or the backend's before_allocation emulation function. + + positive: The user has requested that these optimizations be disabled. + (Via the --no-relax command line option). + + negative: The optimizations are disabled. (Set when initializing the + args_type structure in ldmain.c:main. */ + signed int disable_target_specific_optimizations; +#define RELAXATION_DISABLED_BY_DEFAULT (command_line.disable_target_specific_optimizations < 0) +#define RELAXATION_DISABLED_BY_USER (command_line.disable_target_specific_optimizations > 0) +#define RELAXATION_ENABLED (command_line.disable_target_specific_optimizations == 0) +#define DISABLE_RELAXATION do { command_line.disable_target_specific_optimizations = 1; } while (0) +#define ENABLE_RELAXATION do { command_line.disable_target_specific_optimizations = 0; } while (0) /* If TRUE, build MIPS embedded PIC relocation tables in the output file. */ @@ -179,6 +186,46 @@ typedef struct { files. */ bfd_boolean warn_mismatch; + /* 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. */ char *filter_shlib; @@ -191,20 +238,8 @@ 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; - - /* If TRUE reduce memory overheads, at the expense of speed. - This will cause map file generation to use an O(N^2) algorithm. */ - bfd_boolean reduce_memory_overheads; - + /* Default linker script. */ + char *default_script; } args_type; extern args_type command_line; @@ -212,7 +247,6 @@ 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; @@ -248,28 +282,37 @@ 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; + /* If set, numbers and absolute symbols are simply treated as + numbers everywhere. */ + bfd_boolean sane_expr; + + /* The rpath separation character. Usually ':'. */ + char rpath_separator; + + char *map_filename; + FILE *map_file; + + 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. */ - bfd_size_type hash_table_size; + unsigned long hash_table_size; /* The maximum page size for ELF. */ bfd_vma maxpagesize; @@ -288,6 +331,7 @@ extern int parsing_defsym; 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;