fixes for host gcc 4.6.1
[zpugcc/jano.git] / toolchain / binutils / ld / ld.h
blobdde4cfe2340e9a284345f85400b4619e4f075fcd
1 /* ld.h -- general linker header file
2 Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2002
3 Free Software Foundation, Inc.
5 This file is part of GLD, the Gnu Linker.
7 GLD is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
10 any later version.
12 GLD is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GLD; see the file COPYING. If not, write to the Free
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
20 02111-1307, USA. */
22 #ifndef LD_H
23 #define LD_H
25 #ifdef HAVE_LOCALE_H
26 # include <locale.h>
27 #endif
29 #ifdef ENABLE_NLS
30 # include <libintl.h>
31 # define _(String) gettext (String)
32 # ifdef gettext_noop
33 # define N_(String) gettext_noop (String)
34 # else
35 # define N_(String) (String)
36 # endif
37 #else
38 # define gettext(Msgid) (Msgid)
39 # define dgettext(Domainname, Msgid) (Msgid)
40 # define dcgettext(Domainname, Msgid, Category) (Msgid)
41 # define textdomain(Domainname) while (0) /* nothing */
42 # define bindtextdomain(Domainname, Dirname) while (0) /* nothing */
43 # define _(String) (String)
44 # define N_(String) (String)
45 #endif
47 #include "bin-bugs.h"
49 /* Look in this environment name for the linker to pretend to be */
50 #define EMULATION_ENVIRON "LDEMULATION"
51 /* If in there look for the strings: */
53 /* Look in this variable for a target format */
54 #define TARGET_ENVIRON "GNUTARGET"
56 /* Input sections which are put in a section of this name are actually
57 discarded. */
58 #define DISCARD_SECTION_NAME "/DISCARD/"
60 /* A file name list */
61 typedef struct name_list {
62 const char *name;
63 struct name_list *next;
65 name_list;
67 /* A wildcard specification. This is only used in ldgram.y, but it
68 winds up in ldgram.h, so we need to define it outside. */
70 struct wildcard_spec {
71 const char *name;
72 struct name_list *exclude_name_list;
73 bfd_boolean sorted;
76 struct wildcard_list {
77 struct wildcard_list *next;
78 struct wildcard_spec spec;
81 /* Extra information we hold on sections */
82 typedef struct user_section_struct {
83 /* Pointer to the section where this data will go */
84 struct lang_input_statement_struct *file;
85 } section_userdata_type;
87 #define get_userdata(x) ((x)->userdata)
89 #define BYTE_SIZE (1)
90 #define SHORT_SIZE (2)
91 #define LONG_SIZE (4)
92 #define QUAD_SIZE (8)
94 typedef struct {
95 /* 1 => assign space to common symbols even if `relocatable_output'. */
96 bfd_boolean force_common_definition;
98 /* 1 => do not assign addresses to common symbols. */
99 bfd_boolean inhibit_common_definition;
100 bfd_boolean relax;
102 /* Name of runtime interpreter to invoke. */
103 char *interpreter;
105 /* Name to give runtime libary from the -soname argument. */
106 char *soname;
108 /* Runtime library search path from the -rpath argument. */
109 char *rpath;
111 /* Link time runtime library search path from the -rpath-link
112 argument. */
113 char *rpath_link;
115 /* Big or little endian as set on command line. */
116 enum { ENDIAN_UNSET = 0, ENDIAN_BIG, ENDIAN_LITTLE } endian;
118 /* If TRUE, build MIPS embedded PIC relocation tables in the output
119 file. */
120 bfd_boolean embedded_relocs;
122 /* If TRUE, force generation of a file with a .exe file. */
123 bfd_boolean force_exe_suffix;
125 /* If TRUE, generate a cross reference report. */
126 bfd_boolean cref;
128 /* If TRUE (which is the default), warn about mismatched input
129 files. */
130 bfd_boolean warn_mismatch;
132 /* Remove unreferenced sections? */
133 bfd_boolean gc_sections;
135 /* Name of shared object whose symbol table should be filtered with
136 this shared object. From the --filter option. */
137 char *filter_shlib;
139 /* Name of shared object for whose symbol table this shared object
140 is an auxiliary filter. From the --auxiliary option. */
141 char **auxiliary_filters;
143 /* A version symbol to be applied to the symbol names found in the
144 .exports sections. */
145 char *version_exports_section;
147 /* If TRUE (the default) check section addresses, once compute,
148 fpor overlaps. */
149 bfd_boolean check_section_addresses;
151 /* If TRUE allow the linking of input files in an unknown architecture
152 assuming that the user knows what they are doing. This was the old
153 behaviour of the linker. The new default behaviour is to reject such
154 input files. */
155 bfd_boolean accept_unknown_input_arch;
157 } args_type;
159 extern args_type command_line;
161 typedef int token_code_type;
163 typedef struct {
164 bfd_size_type specified_data_size;
165 bfd_boolean magic_demand_paged;
166 bfd_boolean make_executable;
168 /* If TRUE, doing a dynamic link. */
169 bfd_boolean dynamic_link;
171 /* If TRUE, -shared is supported. */
172 /* ??? A better way to do this is perhaps to define this in the
173 ld_emulation_xfer_struct since this is really a target dependent
174 parameter. */
175 bfd_boolean has_shared;
177 /* If TRUE, build constructors. */
178 bfd_boolean build_constructors;
180 /* If TRUE, warn about any constructors. */
181 bfd_boolean warn_constructors;
183 /* If TRUE, warn about merging common symbols with others. */
184 bfd_boolean warn_common;
186 /* If TRUE, only warn once about a particular undefined symbol. */
187 bfd_boolean warn_once;
189 /* If TRUE, warn if multiple global-pointers are needed (Alpha
190 only). */
191 bfd_boolean warn_multiple_gp;
193 /* If TRUE, warn if the starting address of an output section
194 changes due to the alignment of an input section. */
195 bfd_boolean warn_section_align;
197 /* If TRUE, warning messages are fatal */
198 bfd_boolean fatal_warnings;
200 bfd_boolean sort_common;
202 bfd_boolean text_read_only;
204 char *map_filename;
205 FILE *map_file;
207 bfd_boolean stats;
209 /* If set, orphan input sections will be mapped to separate output
210 sections. */
211 bfd_boolean unique_orphan_sections;
213 unsigned int split_by_reloc;
214 bfd_size_type split_by_file;
216 /* If set, only search library directories explicitly selected
217 on the command line. */
218 bfd_boolean only_cmd_line_lib_dirs;
219 } ld_config_type;
221 extern ld_config_type config;
223 typedef enum {
224 lang_first_phase_enum,
225 lang_allocating_phase_enum,
226 lang_final_phase_enum
227 } lang_phase_type;
229 extern FILE * saved_script_handle;
230 extern bfd_boolean force_make_executable;
232 /* Non-zero if we are processing a --defsym from the command line. */
233 extern int parsing_defsym;
235 extern int yyparse (void);
236 extern void add_cref (const char *, bfd *, asection *, bfd_vma);
237 extern void output_cref (FILE *);
238 extern void check_nocrossrefs (void);
239 extern void ld_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
241 /* If gcc >= 2.6, we can give a function name, too. */
242 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
243 #define __PRETTY_FUNCTION__ NULL
244 #endif
246 #undef abort
247 #define abort() ld_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
249 #endif