1 /* ld.h -- general linker header file
2 Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
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)
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
31 # define _(String) gettext (String)
33 # define N_(String) gettext_noop (String)
35 # define N_(String) (String)
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)
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
58 #define DISCARD_SECTION_NAME "/DISCARD/"
60 /* A file name list */
61 typedef struct name_list {
63 struct name_list *next;
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 {
72 struct name_list *exclude_name_list;
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)
90 #define SHORT_SIZE (2)
94 /* ALIGN macro changed to ALIGN_N to avoid */
95 /* conflict in /usr/include/machine/machparam.h */
96 /* WARNING: If THIS is a 64 bit address and BOUNDARY is a 32 bit int,
97 you must coerce boundary to the same type as THIS.
98 ??? Is there a portable way to avoid this. */
99 #define ALIGN_N(this, boundary) \
100 ((( (this) + ((boundary) -1)) & (~((boundary)-1))))
103 /* 1 => assign space to common symbols even if `relocatable_output'. */
104 boolean force_common_definition;
107 /* Name of runtime interpreter to invoke. */
110 /* Name to give runtime libary from the -soname argument. */
113 /* Runtime library search path from the -rpath argument. */
116 /* Link time runtime library search path from the -rpath-link
120 /* Big or little endian as set on command line. */
121 enum { ENDIAN_UNSET = 0, ENDIAN_BIG, ENDIAN_LITTLE } endian;
123 /* If true, build MIPS embedded PIC relocation tables in the output
125 boolean embedded_relocs;
127 /* If true, force generation of a file with a .exe file. */
128 boolean force_exe_suffix;
130 /* If true, generate a cross reference report. */
133 /* If true (which is the default), warn about mismatched input
135 boolean warn_mismatch;
137 /* Remove unreferenced sections? */
140 /* Name of shared object whose symbol table should be filtered with
141 this shared object. From the --filter option. */
144 /* Name of shared object for whose symbol table this shared object
145 is an auxiliary filter. From the --auxiliary option. */
146 char **auxiliary_filters;
148 /* A version symbol to be applied to the symbol names found in the
149 .exports sections. */
150 char *version_exports_section;
152 /* If true (the default) check section addresses, once compute,
154 boolean check_section_addresses;
158 extern args_type command_line;
160 typedef int token_code_type;
163 bfd_size_type specified_data_size;
164 boolean magic_demand_paged;
165 boolean make_executable;
167 /* If true, doing a dynamic link. */
168 boolean dynamic_link;
170 /* If true, -shared is supported. */
171 /* ??? A better way to do this is perhaps to define this in the
172 ld_emulation_xfer_struct since this is really a target dependent
176 /* If true, build constructors. */
177 boolean build_constructors;
179 /* If true, warn about any constructors. */
180 boolean warn_constructors;
182 /* If true, warn about merging common symbols with others. */
185 /* If true, only warn once about a particular undefined symbol. */
188 /* If true, warn if multiple global-pointers are needed (Alpha
190 boolean warn_multiple_gp;
192 /* If true, warn if the starting address of an output section
193 changes due to the alignment of an input section. */
194 boolean warn_section_align;
196 /* If true, warning messages are fatal */
197 boolean fatal_warnings;
201 boolean text_read_only;
208 /* If set, orphan input sections will be mapped to separate output
210 boolean unique_orphan_sections;
212 unsigned int split_by_reloc;
213 bfd_size_type split_by_file;
216 extern ld_config_type config;
219 lang_first_phase_enum,
220 lang_allocating_phase_enum,
221 lang_final_phase_enum
224 extern boolean had_script;
225 extern boolean force_make_executable;
227 /* Non-zero if we are processing a --defsym from the command line. */
228 extern int parsing_defsym;
230 extern int yyparse PARAMS ((void));
232 extern void add_cref PARAMS ((const char *, bfd *, asection *, bfd_vma));
233 extern void output_cref PARAMS ((FILE *));
234 extern void check_nocrossrefs PARAMS ((void));
236 extern void ld_abort PARAMS ((const char *, int, const char *))
239 /* If gcc >= 2.6, we can give a function name, too. */
240 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
241 #define __PRETTY_FUNCTION__ ((char*) NULL)
245 #define abort() ld_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)