1 /* ld.h -- general linker header file
2 Copyright (C) 1991, 93, 94, 95, 1996 Free Software Foundation, Inc.
4 This file is part of GLD, the Gnu Linker.
6 GLD is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GLD is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GLD; see the file COPYING. If not, write to the Free
18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
24 /* Look in this environment name for the linker to pretend to be */
25 #define EMULATION_ENVIRON "LDEMULATION"
26 /* If in there look for the strings: */
28 /* Look in this variable for a target format */
29 #define TARGET_ENVIRON "GNUTARGET"
31 /* Input sections which are put in a section of this name are actually
33 #define DISCARD_SECTION_NAME "/DISCARD/"
35 /* Extra information we hold on sections */
36 typedef struct user_section_struct
38 /* Pointer to the section where this data will go */
39 struct lang_input_statement_struct *file;
40 } section_userdata_type;
43 #define get_userdata(x) ((x)->userdata)
46 #define SHORT_SIZE (2)
50 /* ALIGN macro changed to ALIGN_N to avoid */
51 /* conflict in /usr/include/machine/machparam.h */
52 /* WARNING: If THIS is a 64 bit address and BOUNDARY is a 32 bit int,
53 you must coerce boundary to the same type as THIS.
54 ??? Is there a portable way to avoid this. */
55 #define ALIGN_N(this, boundary) \
56 ((( (this) + ((boundary) -1)) & (~((boundary)-1))))
60 /* 1 => assign space to common symbols even if `relocatable_output'. */
61 boolean force_common_definition;
64 /* Name of runtime interpreter to invoke. */
67 /* Name to give runtime libary from the -soname argument. */
70 /* Runtime library search path from the -rpath argument. */
73 /* Link time runtime library search path from the -rpath-link
77 /* Big or little endian as set on command line. */
78 enum { ENDIAN_UNSET = 0, ENDIAN_BIG, ENDIAN_LITTLE } endian;
80 /* If true, export all symbols in the dynamic symbol table of an ELF
82 boolean export_dynamic;
84 /* If true, build MIPS embedded PIC relocation tables in the output
86 boolean embedded_relocs;
88 /* If true, force generation of a file with a .exe file. */
89 boolean force_exe_suffix;
91 /* If true, generate a cross reference report. */
95 extern args_type command_line;
97 typedef int token_code_type;
101 bfd_size_type specified_data_size;
102 boolean magic_demand_paged;
103 boolean make_executable;
105 /* If true, doing a dynamic link. */
106 boolean dynamic_link;
108 /* If true, build constructors. */
109 boolean build_constructors;
111 /* If true, warn about any constructors. */
112 boolean warn_constructors;
114 /* If true, warn about merging common symbols with others. */
117 /* If true, only warn once about a particular undefined symbol. */
120 /* If true, warn if multiple global-pointers are needed (Alpha
122 boolean warn_multiple_gp;
126 boolean text_read_only;
134 boolean split_by_file;
137 extern ld_config_type config;
141 lang_first_phase_enum,
142 lang_allocating_phase_enum,
143 lang_final_phase_enum
146 extern boolean had_script;
147 extern boolean force_make_executable;
149 /* Non-zero if we are processing a --defsym from the command line. */
150 extern int parsing_defsym;
152 extern int yyparse PARAMS ((void));
154 extern void add_cref PARAMS ((const char *, bfd *, asection *, bfd_vma));
155 extern void output_cref PARAMS ((FILE *));