1 2 /* Install modified versions of certain ANSI-incompatible system header 3 files which are fixed to work correctly with ANSI C and placed in a 4 directory that GCC will search. 5 6 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2009, 2012 7 Free Software Foundation, Inc. 8 9 This file is part of GCC. 10 11 GCC is free software; you can redistribute it and/or modify 12 it under the terms of the GNU General Public License as published by 13 the Free Software Foundation; either version 3, or (at your option) 14 any later version. 15 16 GCC is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 GNU General Public License for more details. 20 21 You should have received a copy of the GNU General Public License 22 along with GCC; see the file COPYING3. If not see 23 <http://www.gnu.org/licenses/>. */ 24 25 #ifndef GCC_FIXLIB_H 26 #define GCC_FIXLIB_H 27 28 #include "config.h" 29 #include "system.h" 30 #include <signal.h> 31 32 #include "xregex.h" 33 #include "libiberty.h" 34 35 #ifndef STDIN_FILENO 36 # define STDIN_FILENO 0 37 #endif 38 #ifndef STDOUT_FILENO 39 # define STDOUT_FILENO 1 40 #endif 41 42 #if ! defined( SIGCHLD ) && defined( SIGCLD ) 43 # define SIGCHLD SIGCLD 44 #endif 45 46 #ifndef SIGQUIT 47 #define SIGQUIT SIGTERM 48 #endif 49 #ifndef SIGIOT 50 #define SIGIOT SIGTERM 51 #endif 52 #ifndef SIGPIPE 53 #define SIGPIPE SIGTERM 54 #endif 55 #ifndef SIGALRM 56 #define SIGALRM SIGTERM 57 #endif 58 #ifndef SIGKILL 59 #define SIGKILL SIGTERM 60 #endif 61 62 typedef int t_success; 63 64 #define FAILURE (-1) 65 #define SUCCESS 0 66 #define PROBLEM 1 67 68 #define SUCCEEDED(p) ((p) == SUCCESS) 69 #define SUCCESSFUL(p) SUCCEEDED (p) 70 #define FAILED(p) ((p) < SUCCESS) 71 #define HADGLITCH(p) ((p) > SUCCESS) 72 73 #ifndef DEBUG 74 # define STATIC static 75 #else 76 # define STATIC 77 #endif 78 79 #define tSCC static const char 80 #define tCC const char 81 #define tSC static char 82 83 /* If this particular system's header files define the macro `MAXPATHLEN', 84 we happily take advantage of it; otherwise we use a value which ought 85 to be large enough. */ 86 #ifndef MAXPATHLEN 87 # define MAXPATHLEN 4096 88 #endif 89 90 #ifndef EXIT_SUCCESS 91 # define EXIT_SUCCESS 0 92 #endif 93 #ifndef EXIT_FAILURE 94 # define EXIT_FAILURE 1 95 #endif 96 97 #define EXIT_BROKEN 3 98 99 #define NUL '\0' 100 101 #ifndef NOPROCESS 102 #define NOPROCESS ((pid_t) -1) 103 #define NULLPROCESS ((pid_t)0) 104 105 #define EXIT_PANIC 99 106 #endif /* NOPROCESS */ 107 108 #define IGNORE_ARG(a) ((void)(a)) 109 110 typedef enum t_bool 111 { 112 BOOL_FALSE, BOOL_TRUE 113 } t_bool; 114 115 typedef int apply_fix_p_t; /* Apply Fix Predicate Type */ 116 117 #define APPLY_FIX 0 118 #define SKIP_FIX 1 119 120 #define ENV_TABLE \ 121 _ENV_( pz_machine, BOOL_TRUE, "TARGET_MACHINE", \ 122 "output from config.guess" ) \ 123 \ 124 _ENV_( pz_orig_dir, BOOL_TRUE, "ORIGDIR", \ 125 "directory of fixincl and applyfix" ) \ 126 \ 127 _ENV_( pz_src_dir, BOOL_TRUE, "SRCDIR", \ 128 "directory of original files" ) \ 129 \ 130 _ENV_( pz_input_dir, BOOL_TRUE, "INPUT", \ 131 "current directory for fixincl" ) \ 132 \ 133 _ENV_( pz_dest_dir, BOOL_TRUE, "DESTDIR", \ 134 "output directory" ) \ 135 \ 136 _ENV_( pz_mn_name_pat, BOOL_FALSE, "MN_NAME_PAT", \ 137 "regex matching forbidden identifiers" ) \ 138 \ 139 _ENV_( pz_verbose, BOOL_FALSE, "VERBOSE", \ 140 "amount of user entertainment" ) \ 141 \ 142 _ENV_( pz_find_base, BOOL_TRUE, "FIND_BASE", \ 143 "leader to trim from file names" ) \ 144 \ 145 _ENV_( pz_test_mode, BOOL_FALSE, "TEST_MODE", \ 146 "run fixincludes in test mode" ) 147 148 #define _ENV_(v,m,n,t) extern tCC* v; 149 ENV_TABLE 150 #undef _ENV_ 151 152 /* Test Descriptor 153 154 Each fix may have associated tests that determine 155 whether the fix needs to be applied or not. 156 Each test has a type (from the te_test_type enumeration); 157 associated test text; and, if the test is TT_EGREP or 158 the negated form TT_NEGREP, a pointer to the compiled 159 version of the text string. 160 161 */ 162 typedef enum 163 { 164 TT_TEST, TT_EGREP, TT_NEGREP, TT_FUNCTION, TT_CKSUM 165 } te_test_type; 166 167 typedef struct test_desc tTestDesc; 168 169 struct test_desc 170 { 171 te_test_type type; 172 const char *pz_test_text; 173 regex_t *p_test_regex; 174 }; 175 176 typedef struct patch_desc tPatchDesc; 177 178 /* Fix Descriptor 179 180 Everything you ever wanted to know about how to apply 181 a particular fix (which files, how to qualify them, 182 how to actually make the fix, etc...) 183 184 NB: the FD_ defines are BIT FLAGS, even though 185 some are mutually exclusive 186 187 */ 188 #define FD_MACH_ONLY 0x0000 189 #define FD_MACH_IFNOT 0x0001 190 #define FD_SHELL_SCRIPT 0x0002 191 #define FD_SUBROUTINE 0x0004 192 #define FD_REPLACEMENT 0x0008 193 #define FD_SKIP_TEST 0x8000 194 195 typedef struct fix_desc tFixDesc; 196 struct fix_desc 197 { 198 tCC* fix_name; /* Name of the fix */ 199 tCC* file_list; /* List of files it applies to */ 200 tCC** papz_machs; /* List of machine/os-es it applies to */ 201 int test_ct; 202 int fd_flags; 203 tTestDesc* p_test_desc; 204 tCC** patch_args; 205 long unused; 206 }; 207 208 typedef struct { 209 int type_name_len; 210 tCC* pz_type; 211 tCC* pz_TYPE; 212 tCC* pz_gtype; 213 } t_gnu_type_map; 214 215 extern int gnu_type_map_ct; 216 217 typedef enum { 218 VERB_SILENT = 0, 219 VERB_FIXES, 220 VERB_APPLIES, 221 VERB_PROGRESS, 222 VERB_TESTS, 223 VERB_EVERYTHING 224 } te_verbose; 225 226 extern te_verbose verbose_level; 227 228 #define VLEVEL(l) ((unsigned int) verbose_level >= (unsigned int) l) 229 #define NOT_SILENT VLEVEL(VERB_FIXES) 230 231 typedef enum { 232 TESTING_OFF = 0, 233 TESTING_ON = 1 234 } fixinc_mode_t; 235 236 extern fixinc_mode_t fixinc_mode; 237 238 #ifdef HAVE_MMAP_FILE 239 #define UNLOAD_DATA() do { if (curr_data_mapped) { \ 240 munmap ((void*)pz_curr_data, data_map_size); close (data_map_fd); } \ 241 else free ((void*)pz_curr_data); } while(0) 242 #else 243 #define UNLOAD_DATA() free ((void*)pz_curr_data) 244 #endif 245 246 /* 247 * Exported procedures 248 */ 249 char * load_file_data ( FILE* fp ); 250 251 #ifdef IS_CXX_HEADER_NEEDED 252 t_bool is_cxx_header ( tCC* filename, tCC* filetext ); 253 #endif /* IS_CXX_HEADER_NEEDED */ 254 255 #ifdef SKIP_QUOTE_NEEDED 256 tCC* skip_quote ( char q, char* text ); 257 #endif 258 259 void compile_re ( tCC* pat, regex_t* re, int match, tCC *e1, tCC *e2 ); 260 261 void apply_fix ( tFixDesc* p_fixd, tCC* filname ); 262 apply_fix_p_t 263 run_test ( tCC* t_name, tCC* f_name, tCC* text ); 264 265 #ifdef SEPARATE_FIX_PROC 266 char* make_raw_shell_str ( char* pz_d, tCC* pz_s, size_t smax ); 267 #endif 268 269 t_bool mn_get_regexps ( regex_t** label_re, regex_t** name_re, tCC *who ); 270 271 void initialize_opts ( void ); 272 273 #if defined(__MINGW32__) 274 275 void fix_path_separators ( char* p ); 276 277 /* prepend shell name to command passed to system call */ 278 int system_with_shell ( char* s ); 279 280 #else 281 282 /* normal call */ 283 #define system_with_shell system 284 285 #endif /* defined(__MINGW32__) */ 286 287 #endif /* ! GCC_FIXLIB_H */ 288