/* ld.h -- general linker header file
Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004
+ 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, 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 <locale.h>
#endif
# 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: */
}
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;
struct map_symbol_def *next;
};
-/* Extra information we hold on sections */
-typedef struct lean_user_section_struct {
- /* For output sections: pointer to the section where this data will go. */
- struct lang_input_statement_struct *file;
-} lean_section_userdata_type;
-
/* The initial part of fat_user_section_struct has to be idential with
lean_user_section_struct. */
typedef struct fat_user_section_struct {
- /* For output sections: pointer to the section where this data will go. */
- struct lang_input_statement_struct *file;
/* For input sections, when writing a map file: head / tail of a linked
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 SECTION_USERDATA_SIZE \
- (command_line.reduce_memory_overheads \
- ? sizeof (lean_section_userdata_type) \
- : sizeof (fat_section_userdata_type))
-
#define get_userdata(x) ((x)->userdata)
#define BYTE_SIZE (1)
#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. */
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;
+
+ /* 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. */
.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;
typedef int token_code_type;
typedef struct {
- bfd_size_type specified_data_size;
bfd_boolean magic_demand_paged;
bfd_boolean make_executable;
/* 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;
+
+ /* The common page size for ELF. */
+ bfd_vma commonpagesize;
} ld_config_type;
extern ld_config_type config;
-typedef enum {
- lang_first_phase_enum,
- lang_allocating_phase_enum,
- lang_final_phase_enum
-} lang_phase_type;
-
extern FILE * saved_script_handle;
extern bfd_boolean force_make_executable;
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;
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