2 * This file is part of cparser.
3 * Copyright (C) 2007-2009 Matthias Braun <matze@braunis.de>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
36 /* no eXecute on Win32 */
41 #define O_RDWR _O_RDWR
42 #define O_CREAT _O_CREAT
43 #define O_EXCL _O_EXCL
44 #define O_BINARY _O_BINARY
46 /* remap some names, we are not in the POSIX world */
47 #define access(fname, mode) _access(fname, mode)
48 #define mktemp(tmpl) _mktemp(tmpl)
49 #define open(fname, oflag, mode) _open(fname, oflag, mode)
50 #define fdopen(fd, mode) _fdopen(fd, mode)
51 #define popen(cmd, mode) _popen(cmd, mode)
52 #define pclose(file) _pclose(file)
53 #define unlink(filename) _unlink(filename)
60 #include <libfirm/firm.h>
61 #include <libfirm/be.h>
62 #include <libfirm/statev.h>
64 #include "preprocessor.h"
67 #include "type_hash.h"
71 #include "diagnostic.h"
72 #include "lang_features.h"
73 #include "driver/firm_opt.h"
74 #include "driver/firm_timing.h"
75 #include "driver/firm_machine.h"
76 #include "adt/error.h"
77 #include "adt/strutil.h"
78 #include "adt/array.h"
79 #include "wrappergen/write_fluffy.h"
80 #include "wrappergen/write_jna.h"
81 #include "wrappergen/write_compoundsizes.h"
90 #define PREPROCESSOR "gcc -E -U__STRICT_ANSI__ -U__BLOCKS__"
92 #define PREPROCESSOR "cpp -U__STRICT_ANSI__"
101 #define ASSEMBLER "gcc -c -xassembler"
104 unsigned int c_mode = _C89 | _C99 | _GNUC;
105 bool byte_order_big_endian = false;
106 bool strict_mode = false;
107 bool enable_main_collect2_hack = false;
108 bool freestanding = false;
109 unsigned architecture_modulo_shift = 0;
111 static bool char_is_signed = true;
112 static atomic_type_kind_t wchar_atomic_kind = ATOMIC_TYPE_INT;
113 static unsigned features_on = 0;
114 static unsigned features_off = 0;
115 static const char *dumpfunction = NULL;
116 static struct obstack file_obst;
117 static const char *external_preprocessor = PREPROCESSOR;
119 static machine_triple_t *target_machine;
120 static const char *target_triple;
122 static struct obstack cppflags_obst;
123 static struct obstack ldflags_obst;
124 static struct obstack asflags_obst;
125 static const char *outname;
126 static bool define_intmax_types;
127 static const char *input_encoding;
128 static bool construct_dep_target;
130 typedef enum lang_standard_t {
131 STANDARD_DEFAULT, /* gnu99 (for C, GCC does gnu89) or gnu++98 (for C++) */
132 STANDARD_ANSI, /* ISO C90 (for C) or ISO C++ 1998 (for C++) */
133 STANDARD_C89, /* ISO C90 (sic) */
134 STANDARD_C89AMD1, /* ISO C90 as modified in amendment 1 */
135 STANDARD_C99, /* ISO C99 */
136 STANDARD_C11, /* ISO C11 */
137 STANDARD_GNU89, /* ISO C90 plus GNU extensions (including some C99) */
138 STANDARD_GNU99, /* ISO C99 plus GNU extensions */
139 STANDARD_GNU11, /* ISO C11 plus GNU extensions */
140 STANDARD_CXX98, /* ISO C++ 1998 plus amendments */
141 STANDARD_GNUXX98 /* ISO C++ 1998 plus amendments and GNU extensions */
144 typedef enum compilation_unit_type_t {
145 COMPILATION_UNIT_AUTODETECT,
147 COMPILATION_UNIT_PREPROCESSED_C,
148 COMPILATION_UNIT_CXX,
149 COMPILATION_UNIT_PREPROCESSED_CXX,
150 COMPILATION_UNIT_AST,
151 COMPILATION_UNIT_INTERMEDIATE_REPRESENTATION,
152 COMPILATION_UNIT_ASSEMBLER,
153 COMPILATION_UNIT_PREPROCESSED_ASSEMBLER,
154 COMPILATION_UNIT_OBJECT,
156 COMPILATION_UNIT_UNKNOWN
157 } compilation_unit_type_t;
159 typedef struct compilation_unit_t compilation_unit_t;
160 struct compilation_unit_t {
161 const char *name; /**< filename or "-" for stdin */
162 FILE *input; /**< input (NULL if not opened yet) */
164 compilation_unit_type_t type;
165 lang_standard_t standard;
166 translation_unit_t *ast;
168 compilation_unit_t *next;
171 static char **temp_files;
173 static void get_output_name(char *buf, size_t buflen, const char *inputname,
176 if (inputname == NULL)
179 char const *const last_slash = strrchr(inputname, '/');
180 char const *const filename =
181 last_slash != NULL ? last_slash + 1 : inputname;
182 char const *const last_dot = strrchr(filename, '.');
183 char const *const name_end =
184 last_dot != NULL ? last_dot : strchr(filename, '\0');
186 int const len = snprintf(buf, buflen, "%.*s%s",
187 (int)(name_end - filename), filename, newext);
189 if (len < 0 || buflen <= (size_t)len)
191 if (buflen <= (size_t)len)
193 panic("filename too long");
196 static bool close_input(compilation_unit_t *unit)
200 if (unit->input == stdin) {
202 } else if (unit->input_is_pipe) {
203 res = pclose(unit->input) == EXIT_SUCCESS;
213 static void print_error_summary(void)
215 if (error_count > 0) {
216 /* parsing failed because of errors */
217 fprintf(stderr, "%u error(s), %u warning(s)\n", error_count,
219 } else if (warning_count > 0) {
220 fprintf(stderr, "%u warning(s)\n", warning_count);
224 static void do_parsing(compilation_unit_t *unit)
226 ir_timer_t *t_parsing = ir_timer_new();
227 timer_register(t_parsing, "Frontend: Parsing");
228 timer_start(t_parsing);
232 switch_pp_input(unit->input, unit->name, NULL, false);
234 unit->ast = finish_parsing();
235 check_unclosed_conditionals();
237 bool res = close_input(unit);
239 print_error_summary();
241 unit->type = COMPILATION_UNIT_AST;
242 unit->parse_errors = error_count > 0 || !res;
243 timer_stop(t_parsing);
244 if (stat_ev_enabled) {
245 stat_ev_dbl("time_parsing", ir_timer_elapsed_sec(t_parsing));
249 static void add_flag(struct obstack *obst, const char *format, ...)
254 va_start(ap, format);
258 vsnprintf(buf, sizeof(buf), format, ap);
261 obstack_1grow(obst, ' ');
263 obstack_1grow(obst, '"');
264 obstack_grow(obst, buf, len);
265 obstack_1grow(obst, '"');
267 /* escape stuff... */
268 for (char *c = buf; *c != '\0'; ++c) {
286 obstack_1grow(obst, '\\');
289 obstack_1grow(obst, *c);
296 static const char *type_to_string(type_t *type)
298 assert(type->kind == TYPE_ATOMIC);
299 return get_atomic_kind_name(type->atomic.akind);
302 static char const* str_lang_standard(lang_standard_t const standard)
305 case STANDARD_C89: return "c89";
306 case STANDARD_C89AMD1: return "iso9899:199409";
307 case STANDARD_C99: return "c99";
308 case STANDARD_C11: return "c11";
309 case STANDARD_GNU89: return "gnu89";
310 case STANDARD_GNU99: return "gnu99";
311 case STANDARD_GNU11: return "gnu11";
312 case STANDARD_CXX98: return "c++98";
313 case STANDARD_GNUXX98: return "gnu++98";
314 case STANDARD_ANSI: break;
315 case STANDARD_DEFAULT: break;
317 panic("invalid standard");
320 static bool run_external_preprocessor(compilation_unit_t *unit)
322 obstack_1grow(&cppflags_obst, '\0');
323 const char *flags = obstack_finish(&cppflags_obst);
325 const char *preprocessor = getenv("CPARSER_PP");
326 if (preprocessor != NULL) {
327 obstack_printf(&cppflags_obst, "%s ", preprocessor);
329 if (target_triple != NULL)
330 obstack_printf(&cppflags_obst, "%s-", target_triple);
331 obstack_printf(&cppflags_obst, "%s", external_preprocessor);
335 switch (unit->type) {
336 case COMPILATION_UNIT_C: lang = "c"; break;
337 case COMPILATION_UNIT_CXX: lang = "c++"; break;
338 case COMPILATION_UNIT_ASSEMBLER: lang = "assembler-with-cpp"; break;
339 default: lang = NULL; break;
342 add_flag(&cppflags_obst, "-x%s", lang);
344 if (unit->type == COMPILATION_UNIT_C
345 || unit->type == COMPILATION_UNIT_CXX) {
346 add_flag(&cppflags_obst, "-std=%s", str_lang_standard(unit->standard));
348 /* setup default defines */
349 add_flag(&cppflags_obst, "-U__WCHAR_TYPE__");
350 add_flag(&cppflags_obst, "-D__WCHAR_TYPE__=%s", type_to_string(type_wchar_t));
351 add_flag(&cppflags_obst, "-U__SIZE_TYPE__");
352 add_flag(&cppflags_obst, "-D__SIZE_TYPE__=%s", type_to_string(type_size_t));
354 add_flag(&cppflags_obst, "-U__VERSION__");
355 add_flag(&cppflags_obst, "-D__VERSION__=\"%s\"", cparser_REVISION);
357 if (define_intmax_types) {
358 add_flag(&cppflags_obst, "-U__INTMAX_TYPE__");
359 add_flag(&cppflags_obst, "-D__INTMAX_TYPE__=%s", type_to_string(type_intmax_t));
360 add_flag(&cppflags_obst, "-U__UINTMAX_TYPE__");
361 add_flag(&cppflags_obst, "-D__UINTMAX_TYPE__=%s", type_to_string(type_uintmax_t));
364 if (flags[0] != '\0') {
365 size_t len = strlen(flags);
366 obstack_1grow(&cppflags_obst, ' ');
367 obstack_grow(&cppflags_obst, flags, len);
370 /* handle dependency generation */
371 if (construct_dep_target) {
372 static char dep_target[4096];
374 size_t len = strlen(outname);
375 if (len > sizeof(dep_target)-4) /* leave room for .d extension */
376 len = sizeof(dep_target)-4;
377 memcpy(dep_target, outname, len);
378 /* replace extension with .d if found */
379 char *dot = &dep_target[len-1];
380 for ( ; dot >= dep_target && *dot != '/'; --dot) {
383 len = (dot-dep_target)+2;
387 dep_target[len] = '\0';
389 get_output_name(dep_target, sizeof(dep_target), unit->name, ".d");
392 add_flag(&cppflags_obst, "-MF");
393 add_flag(&cppflags_obst, dep_target);
395 assert(unit->input == NULL);
396 add_flag(&cppflags_obst, unit->name);
397 obstack_1grow(&cppflags_obst, '\0');
399 char *commandline = obstack_finish(&cppflags_obst);
403 FILE *f = popen(commandline, "r");
405 position_t const pos = { unit->name, 0, 0, 0 };
406 errorf(&pos, "invoking preprocessor failed");
409 /* we do not really need that anymore */
410 obstack_free(&cppflags_obst, commandline);
413 unit->input_is_pipe = true;
414 switch (unit->type) {
415 case COMPILATION_UNIT_ASSEMBLER:
416 unit->type = COMPILATION_UNIT_PREPROCESSED_ASSEMBLER;
418 case COMPILATION_UNIT_C:
419 unit->type = COMPILATION_UNIT_PREPROCESSED_C;
421 case COMPILATION_UNIT_CXX:
422 unit->type = COMPILATION_UNIT_PREPROCESSED_CXX;
425 unit->type = COMPILATION_UNIT_UNKNOWN;
432 static void assemble(const char *out, const char *in)
434 obstack_1grow(&asflags_obst, '\0');
435 const char *flags = obstack_finish(&asflags_obst);
437 const char *assembler = getenv("CPARSER_AS");
438 if (assembler != NULL) {
439 obstack_printf(&asflags_obst, "%s", assembler);
441 if (target_triple != NULL)
442 obstack_printf(&asflags_obst, "%s-", target_triple);
443 obstack_printf(&asflags_obst, "%s", ASSEMBLER);
445 if (flags[0] != '\0')
446 obstack_printf(&asflags_obst, " %s", flags);
448 obstack_printf(&asflags_obst, " %s -o %s", in, out);
449 obstack_1grow(&asflags_obst, '\0');
451 char *commandline = obstack_finish(&asflags_obst);
455 int err = system(commandline);
456 if (err != EXIT_SUCCESS) {
457 position_t const pos = { in, 0, 0, 0 };
458 errorf(&pos, "assembler reported an error");
461 obstack_free(&asflags_obst, commandline);
464 static void print_file_name(const char *file)
466 add_flag(&ldflags_obst, "-print-file-name=%s", file);
468 obstack_1grow(&ldflags_obst, '\0');
469 const char *flags = obstack_finish(&ldflags_obst);
471 /* construct commandline */
472 const char *linker = getenv("CPARSER_LINK");
473 if (linker != NULL) {
474 obstack_printf(&ldflags_obst, "%s ", linker);
476 if (target_triple != NULL)
477 obstack_printf(&ldflags_obst, "%s-", target_triple);
478 obstack_printf(&ldflags_obst, "%s ", LINKER);
480 obstack_printf(&ldflags_obst, "%s ", linker);
481 obstack_printf(&ldflags_obst, "%s", flags);
482 obstack_1grow(&ldflags_obst, '\0');
484 char *commandline = obstack_finish(&ldflags_obst);
488 int err = system(commandline);
489 if (err != EXIT_SUCCESS) {
490 position_t const pos = { file, 0, 0, 0 };
491 errorf(&pos, "linker reported an error");
494 obstack_free(&ldflags_obst, commandline);
497 static const char *try_dir(const char *dir)
501 if (access(dir, R_OK | W_OK | X_OK) == 0)
506 static const char *get_tempdir(void)
508 static const char *tmpdir = NULL;
514 tmpdir = try_dir(getenv("TMPDIR"));
516 tmpdir = try_dir(getenv("TMP"));
518 tmpdir = try_dir(getenv("TEMP"));
522 tmpdir = try_dir(P_tmpdir);
526 tmpdir = try_dir("/var/tmp");
528 tmpdir = try_dir("/usr/tmp");
530 tmpdir = try_dir("/tmp");
539 /* cheap and nasty mkstemp replacement */
540 static int mkstemp(char *templ)
543 return open(templ, O_RDWR|O_CREAT|O_EXCL|O_BINARY, 0600);
548 * custom version of tmpnam, which: writes to an obstack, emits no warnings
549 * during linking (like glibc/gnu ld do for tmpnam)...
551 static FILE *make_temp_file(const char *prefix, const char **name_result)
553 const char *tempdir = get_tempdir();
554 assert(obstack_object_size(&file_obst) == 0);
555 obstack_printf(&file_obst, "%s/%sXXXXXX", tempdir, prefix);
556 obstack_1grow(&file_obst, '\0');
558 char *name = obstack_finish(&file_obst);
559 int fd = mkstemp(name);
561 position_t const pos = { name, 0, 0, 0 };
562 errorf(&pos, "could not create temporary file: %s", strerror(errno));
565 FILE *out = fdopen(fd, "w");
567 position_t const pos = { name, 0, 0, 0 };
568 errorf(&pos, "could not open temporary file as FILE*");
572 ARR_APP1(char*, temp_files, name);
577 static void free_temp_files(void)
579 if (temp_files == NULL)
582 size_t n_temp_files = ARR_LEN(temp_files);
584 for (i = 0; i < n_temp_files; ++i) {
585 char *file = temp_files[i];
588 DEL_ARR_F(temp_files);
592 typedef enum compile_mode_t {
607 static void usage(const char *argv0)
609 fprintf(stderr, "Usage %s [options] input [-o output]\n", argv0);
612 static void print_cparser_version(void)
614 printf("cparser (%s) using libFirm (%u.%u",
615 cparser_REVISION, ir_get_version_major(),
616 ir_get_version_minor());
618 const char *revision = ir_get_version_revision();
619 if (revision[0] != 0) {
621 fputs(revision, stdout);
624 const char *build = ir_get_version_build();
627 fputs(build, stdout);
630 puts("This is free software; see the source for copying conditions. There is NO\n"
631 "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n");
634 static void print_cparser_version_short(void)
636 puts(cparser_REVISION);
639 static void print_help_basic(const char *argv0)
643 put_help("--help", "Display this information");
644 put_help("--version", "Display compiler version");
645 put_help("--help-parser", "Display information about parser options");
646 put_help("--help-warnings", "Display information about warning options");
647 put_help("--help-codegen", "Display information about code-generation options");
648 put_help("--help-optimization", "Display information about optimization options");
649 put_help("--help-linker", "Display information about linker options");
650 put_help("--help-language-tools", "Display information about language tools options");
651 put_help("--help-debug", "Display information about compiler debugging options");
652 put_help("--help-firm", "Display information about direct firm options");
653 put_help("--help-all", "Display information about all options");
654 put_help("-c", "Compile and assemble but do not link");
655 put_help("-E", "Preprocess only");
656 put_help("-S", "Compile but do not assembler or link");
657 put_help("-o", "Specify output file");
658 put_help("-v", "Verbose output (show invocation of sub-processes)");
659 put_help("-x", "Force input language:");
660 put_choice("c", "C");
661 put_choice("c++", "C++");
662 put_choice("assembler", "Assembler (no preprocessing)");
663 put_choice("assembler-with-cpp", "Assembler with preprocessing");
664 put_choice("none", "Autodetection");
665 put_help("-pipe", "Ignored (gcc compatibility)");
668 static void print_help_preprocessor(void)
670 put_help("-nostdinc", "Do not search standard system include directories");
671 put_help("-trigraphs", "Support ISO C trigraphs");
672 put_help("-isystem", "");
673 put_help("-include", "");
674 put_help("-I PATH", "");
675 put_help("-D SYMBOL[=value]", "");
676 put_help("-U SYMBOL", "");
677 put_help("-Wp,OPTION", "Pass option directly to preprocessor");
678 put_help("-Xpreprocessor OPTION", "Pass option directly to preprocessor");
681 put_help("-MMD", "");
689 static void print_help_parser(void)
691 put_help("-finput-charset=CHARSET", "Select encoding of input files");
692 put_help("-fmessage-length=LEN", "Ignored (gcc compatibility)");
693 put_help("-fshort-wchar", "Type \"wchar_t\" is unsigned short instead of int");
694 put_help("-fshow-column", "Show the column number in diagnostic messages");
695 put_help("-fsigned-char", "Type \"char\" is a signed type");
696 put_help("-funsigned-char", "Type \"char\" is an unsigned type");
697 put_help("--ms", "Enable msvc extensions");
698 put_help("--no-ms", "Disable msvc extensions");
699 put_help("--gcc", "Enable gcc extensions");
700 put_help("--no-gcc", "Disable gcc extensions");
701 put_help("-std=STANDARD", "Specify language standard:");
702 put_choice("c99", "ISO C99 standard");
703 put_choice("c89", "ISO C89 standard");
704 put_choice("c90", "Same as -std=c89");
705 put_choice("c11", "ISO C11 standard");
706 put_choice("c9x", "Deprecated");
707 put_choice("c++", "ISO C++ 98");
708 put_choice("c++98", "ISO C++ 98");
709 put_choice("gnu99", "ISO C99 + GNU extensions (default)");
710 put_choice("gnu89", "ISO C89 + GNU extensions");
711 put_choice("gnu11", "ISO C11 + GNU extensions");
712 put_choice("gnu9x", "Deprecated");
713 put_choice("iso9899:1990", "ISO C89");
714 put_choice("iso9899:199409", "ISO C90");
715 put_choice("iso9899:1999", "ISO C99");
716 put_choice("iso9899:199x", "Deprecated");
717 put_help("-pedantic", "Ignored (gcc compatibility)");
718 put_help("-ansi", "-std=c90 (for C) or -std=c++98 (for C++)");
719 put_help("--strict", "Enable strict conformance checking");
722 static void print_help_warnings(void)
724 put_help("-f[no-]diagnostics-show-option", "Show the switch, which controls a warning, after each warning");
725 put_help("-w", "Disable all warnings");
726 put_help("-Wno-trigraphs", "Warn if input contains trigraphs");
727 put_help("-Wundef", "Warn if an undefined macro is used in an #if");
728 put_help("-Wmissing-include-dirs", "Warn about missing user-specified include directories");
729 put_help("-Wendif-labels", "Warn about stray text after #elif and #endif");
730 put_help("-Winit-self", "Ignored (gcc compatibility)");
731 put_help("-Wformat-y2k", "Ignored (gcc compatibility)");
732 put_help("-Wformat-security", "Ignored (gcc compatibility)");
733 put_help("-Wold-style-declaration", "Ignored (gcc compatibility)");
734 put_help("-Wtype-limits", "Ignored (gcc compatibility)");
735 print_warning_opt_help();
738 static void print_help_optimization(void)
740 put_help("-O LEVEL", "Select optimization level (0-4)");
741 firm_option_help(put_help);
742 put_help("-fexpensive-optimizations","Ignored (gcc compatibility)");
745 static void print_help_codegeneration(void)
747 put_help("-g", "Generate debug information");
748 put_help("-pg", "Instrument code for gnu gprof");
749 put_help("-fomit-frame-pointer", "Produce code without frame pointer where possible");
750 put_help("-ffreestanding", "Compile in freestanding mode (see ISO C standard)");
751 put_help("-fhosted", "Compile in hosted (not freestanding) mode");
752 put_help("-fprofile-generate", "Generate instrumented code to collect profile information");
753 put_help("-fprofile-use", "Use profile information generated by instrumented binaries");
754 put_help("-ffp-precise", "Precise floating point model");
755 put_help("-ffp-fast", "Imprecise floating point model");
756 put_help("-ffp-strict", "Strict floating point model");
757 put_help("-pthread", "Use pthread threading library");
758 put_help("-mtarget=TARGET", "Specify target architecture as CPU-manufacturer-OS triple");
759 put_help("-mtriple=TARGET", "Alias for -mtarget (clang compatibility)");
760 put_help("-march=ARCH", "");
761 put_help("-mtune=ARCH", "");
762 put_help("-mcpu=CPU", "");
763 put_help("-mfpmath=", "");
764 put_help("-mpreferred-stack-boundary=", "");
765 put_help("-mrtd", "");
766 put_help("-mregparm=", "Not supported yet");
767 put_help("-msoft-float", "Not supported yet");
768 put_help("-m32", "Generate 32bit code");
769 put_help("-m64", "Generate 64bit code");
770 put_help("-fverbose-asm", "Ignored (gcc compatibility)");
771 put_help("-fjump-tables", "Ignored (gcc compatibility)");
772 put_help("-fcommon", "Ignored (gcc compatibility)");
773 put_help("-foptimize-sibling-calls", "Ignored (gcc compatibility)");
774 put_help("-falign-loops", "Ignored (gcc compatibility)");
775 put_help("-falign-jumps", "Ignored (gcc compatibility)");
776 put_help("-falign-functions", "Ignored (gcc compatibility)");
777 put_help("-fPIC", "Ignored (gcc compatibility)");
778 put_help("-ffast-math", "Same as -ffp-fast (gcc compatibility)");
780 puts("\tMost of these options can be used with a no- prefix to disable them");
781 puts("\te.g. -fno-omit-frame-pointer");
784 static void print_help_linker(void)
786 put_help("-l LIBRARY", "");
787 put_help("-L PATH", "");
788 put_help("-s", "Do not produce symbol table and relocation information");
789 put_help("-shared", "Produce a shared library");
790 put_help("-static", "Produce statically linked binary");
791 put_help("-Wa,OPTION", "Pass option directly to assembler");
792 put_help("-Xassembler OPTION", "Pass option directly to assembler");
793 put_help("-Wl,OPTION", "Pass option directly to linker");
794 put_help("-Xlinker OPTION", "Pass option directly to linker");
797 static void print_help_debug(void)
799 put_help("--print-ast", "Preprocess, parse and print AST");
800 put_help("--print-implicit-cast", "");
801 put_help("--print-parenthesis", "");
802 put_help("--benchmark", "Preprocess and parse, produces no output");
803 put_help("--time", "Measure time of compiler passes");
804 put_help("--statev", "Produce statev output");
805 put_help("--filtev=filter", "Set statev filter regex");
806 put_help("--dump-function func", "Preprocess, parse and output vcg graph of func");
807 put_help("--export-ir", "Preprocess, parse and output compiler intermediate representation");
810 static void print_help_language_tools(void)
812 put_help("--print-fluffy", "Preprocess, parse and generate declarations for the fluffy language");
813 put_help("--print-jna", "Preprocess, parse and generate declarations for JNA");
814 put_help("--jna-limit filename", "");
815 put_help("--jna-libname name", "");
818 static void print_help_firm(void)
820 put_help("-bOPTION", "Directly pass option to libFirm backend");
821 int res = be_parse_arg("help");
829 HELP_PREPROCESSOR = 1 << 1,
830 HELP_PARSER = 1 << 2,
831 HELP_WARNINGS = 1 << 3,
832 HELP_OPTIMIZATION = 1 << 4,
833 HELP_CODEGEN = 1 << 5,
834 HELP_LINKER = 1 << 6,
835 HELP_LANGUAGETOOLS = 1 << 7,
842 static void print_help(const char *argv0, help_sections_t sections)
844 if (sections & HELP_BASIC) print_help_basic(argv0);
845 if (sections & HELP_PREPROCESSOR) print_help_preprocessor();
846 if (sections & HELP_PARSER) print_help_parser();
847 if (sections & HELP_WARNINGS) print_help_warnings();
848 if (sections & HELP_OPTIMIZATION) print_help_optimization();
849 if (sections & HELP_CODEGEN) print_help_codegeneration();
850 if (sections & HELP_LINKER) print_help_linker();
851 if (sections & HELP_LANGUAGETOOLS) print_help_language_tools();
852 if (sections & HELP_DEBUG) print_help_debug();
853 if (sections & HELP_FIRM) print_help_firm();
856 static void set_be_option(const char *arg)
858 int res = be_parse_arg(arg);
863 static compilation_unit_type_t get_unit_type_from_string(const char *string)
865 if (streq(string, "c") || streq(string, "c-header"))
866 return COMPILATION_UNIT_C;
867 if (streq(string, "c++") || streq(string, "c++-header"))
868 return COMPILATION_UNIT_CXX;
869 if (streq(string, "assembler"))
870 return COMPILATION_UNIT_PREPROCESSED_ASSEMBLER;
871 if (streq(string, "assembler-with-cpp"))
872 return COMPILATION_UNIT_ASSEMBLER;
873 if (streq(string, "none"))
874 return COMPILATION_UNIT_AUTODETECT;
876 return COMPILATION_UNIT_UNKNOWN;
879 static bool init_os_support(void)
881 wchar_atomic_kind = ATOMIC_TYPE_INT;
882 enable_main_collect2_hack = false;
883 define_intmax_types = false;
885 if (firm_is_unixish_os(target_machine)) {
886 set_create_ld_ident(create_name_linux_elf);
887 } else if (firm_is_darwin_os(target_machine)) {
888 set_create_ld_ident(create_name_macho);
889 define_intmax_types = true;
890 } else if (firm_is_windows_os(target_machine)) {
891 wchar_atomic_kind = ATOMIC_TYPE_USHORT;
892 enable_main_collect2_hack = true;
893 set_create_ld_ident(create_name_win32);
901 static bool parse_target_triple(const char *arg)
903 machine_triple_t *triple = firm_parse_machine_triple(arg);
904 if (triple == NULL) {
905 errorf(NULL, "target-triple '%s' is not in the form 'cpu_type-manufacturer-operating_system'", arg);
908 target_machine = triple;
912 static unsigned decide_modulo_shift(unsigned type_size)
914 if (architecture_modulo_shift == 0)
916 if (type_size < architecture_modulo_shift)
917 return architecture_modulo_shift;
921 static bool is_ia32_cpu(const char *architecture)
923 return streq(architecture, "i386")
924 || streq(architecture, "i486")
925 || streq(architecture, "i586")
926 || streq(architecture, "i686")
927 || streq(architecture, "i786");
930 static const char *setup_isa_from_tripel(const machine_triple_t *machine)
932 const char *cpu = machine->cpu_type;
934 if (is_ia32_cpu(cpu)) {
936 } else if (streq(cpu, "x86_64")) {
938 } else if (streq(cpu, "sparc")) {
940 } else if (streq(cpu, "arm")) {
943 errorf(NULL, "unknown cpu '%s' in target-triple", cpu);
948 static const char *setup_target_machine(void)
950 if (!setup_firm_for_machine(target_machine))
953 const char *isa = setup_isa_from_tripel(target_machine);
964 * initialize cparser type properties based on a firm type
966 static void set_typeprops_type(atomic_type_properties_t* props, ir_type *type)
968 props->size = get_type_size_bytes(type);
969 props->alignment = get_type_alignment_bytes(type);
970 props->struct_alignment = props->alignment;
974 * Copy atomic type properties except the integer conversion rank
976 static void copy_typeprops(atomic_type_properties_t *dest,
977 const atomic_type_properties_t *src)
979 dest->size = src->size;
980 dest->alignment = src->alignment;
981 dest->struct_alignment = src->struct_alignment;
982 dest->flags = src->flags;
985 static void init_types_and_adjust(void)
987 const backend_params *be_params = be_get_backend_param();
988 unsigned machine_size = be_params->machine_size;
989 init_types(machine_size);
991 atomic_type_properties_t *props = atomic_type_properties;
993 /* adjust types as requested by target architecture */
994 ir_type *type_long_double = be_params->type_long_double;
995 if (type_long_double != NULL) {
996 set_typeprops_type(&props[ATOMIC_TYPE_LONG_DOUBLE], type_long_double);
997 atomic_modes[ATOMIC_TYPE_LONG_DOUBLE] = get_type_mode(type_long_double);
1000 ir_type *type_long_long = be_params->type_long_long;
1001 if (type_long_long != NULL)
1002 set_typeprops_type(&props[ATOMIC_TYPE_LONGLONG], type_long_long);
1004 ir_type *type_unsigned_long_long = be_params->type_unsigned_long_long;
1005 if (type_unsigned_long_long != NULL)
1006 set_typeprops_type(&props[ATOMIC_TYPE_ULONGLONG], type_unsigned_long_long);
1008 /* operating system ABI specifics */
1009 if (firm_is_darwin_os(target_machine)) {
1010 if (is_ia32_cpu(target_machine->cpu_type)) {
1011 props[ATOMIC_TYPE_LONGLONG].struct_alignment = 4;
1012 props[ATOMIC_TYPE_ULONGLONG].struct_alignment = 4;
1013 props[ATOMIC_TYPE_DOUBLE].struct_alignment = 4;
1014 props[ATOMIC_TYPE_LONG_DOUBLE].size = 16;
1015 props[ATOMIC_TYPE_LONG_DOUBLE].alignment = 16;
1016 props[ATOMIC_TYPE_LONG_DOUBLE].struct_alignment = 16;
1018 } else if (firm_is_windows_os(target_machine)) {
1019 if (is_ia32_cpu(target_machine->cpu_type)) {
1020 props[ATOMIC_TYPE_LONGLONG].struct_alignment = 8;
1021 props[ATOMIC_TYPE_ULONGLONG].struct_alignment = 8;
1022 props[ATOMIC_TYPE_DOUBLE].struct_alignment = 8;
1023 } else if (machine_size == 64) {
1024 /* to ease porting of old c-code microsoft decided to use 32bits
1026 props[ATOMIC_TYPE_LONG] = props[ATOMIC_TYPE_INT];
1027 props[ATOMIC_TYPE_ULONG] = props[ATOMIC_TYPE_UINT];
1030 /* on windows long double is not supported */
1031 props[ATOMIC_TYPE_LONG_DOUBLE] = props[ATOMIC_TYPE_DOUBLE];
1032 } else if (firm_is_unixish_os(target_machine)) {
1033 if (is_ia32_cpu(target_machine->cpu_type)) {
1034 props[ATOMIC_TYPE_DOUBLE].struct_alignment = 4;
1035 props[ATOMIC_TYPE_LONGLONG].struct_alignment = 4;
1036 props[ATOMIC_TYPE_ULONGLONG].struct_alignment = 4;
1040 /* stuff decided after processing operating system specifics and
1041 * commandline flags */
1042 if (char_is_signed) {
1043 props[ATOMIC_TYPE_CHAR].flags |= ATOMIC_TYPE_FLAG_SIGNED;
1045 props[ATOMIC_TYPE_CHAR].flags &= ~ATOMIC_TYPE_FLAG_SIGNED;
1047 /* copy over wchar_t properties (including rank) */
1048 props[ATOMIC_TYPE_WCHAR_T] = props[wchar_atomic_kind];
1050 /* initialize defaults for unsupported types */
1051 if (type_long_long == NULL) {
1052 copy_typeprops(&props[ATOMIC_TYPE_LONGLONG], &props[ATOMIC_TYPE_LONG]);
1054 if (type_unsigned_long_long == NULL) {
1055 copy_typeprops(&props[ATOMIC_TYPE_ULONGLONG],
1056 &props[ATOMIC_TYPE_ULONG]);
1058 if (type_long_double == NULL) {
1059 copy_typeprops(&props[ATOMIC_TYPE_LONG_DOUBLE],
1060 &props[ATOMIC_TYPE_DOUBLE]);
1063 /* initialize firm pointer modes */
1065 unsigned bit_size = machine_size;
1066 unsigned modulo_shift = decide_modulo_shift(bit_size);
1068 snprintf(name, sizeof(name), "p%u", machine_size);
1069 ir_mode *ptr_mode = new_reference_mode(name, irma_twos_complement, bit_size, modulo_shift);
1071 if (machine_size == 16) {
1072 set_reference_mode_signed_eq(ptr_mode, mode_Hs);
1073 set_reference_mode_unsigned_eq(ptr_mode, mode_Hu);
1074 } else if (machine_size == 32) {
1075 set_reference_mode_signed_eq(ptr_mode, mode_Is);
1076 set_reference_mode_unsigned_eq(ptr_mode, mode_Iu);
1077 } else if (machine_size == 64) {
1078 set_reference_mode_signed_eq(ptr_mode, mode_Ls);
1079 set_reference_mode_unsigned_eq(ptr_mode, mode_Lu);
1081 panic("strange machine_size when determining pointer modes");
1084 /* Hmm, pointers should be machine size */
1085 set_modeP_data(ptr_mode);
1086 set_modeP_code(ptr_mode);
1088 byte_order_big_endian = be_params->byte_order_big_endian;
1089 if (be_params->modulo_shift_efficient) {
1090 architecture_modulo_shift = machine_size;
1092 architecture_modulo_shift = 0;
1096 static void setup_cmode(const compilation_unit_t *unit)
1098 compilation_unit_type_t type = unit->type;
1099 lang_standard_t standard = unit->standard;
1100 if (type == COMPILATION_UNIT_PREPROCESSED_C || type == COMPILATION_UNIT_C) {
1102 case STANDARD_C89: c_mode = _C89; break;
1103 /* TODO determine difference between these two */
1104 case STANDARD_C89AMD1: c_mode = _C89; break;
1105 case STANDARD_C99: c_mode = _C89 | _C99; break;
1106 case STANDARD_C11: c_mode = _C89 | _C99 | _C11; break;
1107 case STANDARD_GNU89: c_mode = _C89 | _GNUC; break;
1108 case STANDARD_GNU11: c_mode = _C89 | _C99 | _C11 | _GNUC; break;
1111 case STANDARD_CXX98:
1112 case STANDARD_GNUXX98:
1113 case STANDARD_DEFAULT:
1114 fprintf(stderr, "warning: command line option \"-std=%s\" is not valid for C\n", str_lang_standard(standard));
1116 case STANDARD_GNU99: c_mode = _C89 | _C99 | _GNUC; break;
1118 } else if (type == COMPILATION_UNIT_PREPROCESSED_CXX
1119 || type == COMPILATION_UNIT_CXX) {
1121 case STANDARD_CXX98: c_mode = _CXX; break;
1125 case STANDARD_C89AMD1:
1128 case STANDARD_GNU89:
1129 case STANDARD_GNU99:
1130 case STANDARD_GNU11:
1131 case STANDARD_DEFAULT:
1132 fprintf(stderr, "warning: command line option \"-std=%s\" is not valid for C++\n", str_lang_standard(standard));
1134 case STANDARD_GNUXX98: c_mode = _CXX | _GNUC; break;
1138 c_mode |= features_on;
1139 c_mode &= ~features_off;
1142 static void determine_unit_standard(compilation_unit_t *unit,
1143 lang_standard_t standard)
1145 unit->standard = standard;
1148 switch (unit->type) {
1149 case COMPILATION_UNIT_C:
1150 case COMPILATION_UNIT_PREPROCESSED_C:
1151 unit->standard = STANDARD_C89;
1153 case COMPILATION_UNIT_CXX:
1154 case COMPILATION_UNIT_PREPROCESSED_CXX:
1155 unit->standard = STANDARD_CXX98;
1162 case STANDARD_DEFAULT:
1163 switch (unit->type) {
1164 case COMPILATION_UNIT_C:
1165 case COMPILATION_UNIT_PREPROCESSED_C:
1166 unit->standard = STANDARD_GNU99;
1168 case COMPILATION_UNIT_CXX:
1169 case COMPILATION_UNIT_PREPROCESSED_CXX:
1170 unit->standard = STANDARD_GNUXX98;
1182 static bool output_preprocessor_tokens(compilation_unit_t *unit, FILE *out)
1184 /* just here for gcc compatibility */
1185 fprintf(out, "# 1 \"%s\"\n", unit->name);
1186 fprintf(out, "# 1 \"<built-in>\"\n");
1187 fprintf(out, "# 1 \"<command-line>\"\n");
1189 set_preprocessor_output(out);
1190 switch_pp_input(unit->input, unit->name, NULL, false);
1193 next_preprocessing_token();
1194 if (pp_token.kind == T_EOF)
1200 check_unclosed_conditionals();
1202 print_error_summary();
1203 set_preprocessor_output(NULL);
1205 if (unit->type == COMPILATION_UNIT_C) {
1206 unit->type = COMPILATION_UNIT_PREPROCESSED_C;
1207 } else if (unit->type == COMPILATION_UNIT_CXX) {
1208 unit->type = COMPILATION_UNIT_PREPROCESSED_CXX;
1210 bool res = close_input(unit);
1211 return res && error_count == 0;
1214 static void copy_file(FILE *dest, FILE *input)
1218 while (!feof(input) && !ferror(dest)) {
1219 size_t read = fread(buf, 1, sizeof(buf), input);
1220 if (fwrite(buf, 1, read, dest) != read) {
1221 perror("could not write output");
1226 static bool open_input(compilation_unit_t *unit)
1228 /* input already available as FILE? */
1229 if (unit->input != NULL)
1232 const char *const inputname = unit->name;
1233 unit->input_is_pipe = false;
1234 if (streq(inputname, "-")) {
1235 unit->input = stdin;
1237 unit->input = fopen(inputname, "r");
1238 if (unit->input == NULL) {
1239 position_t const pos = { inputname, 0, 0, 0 };
1240 errorf(&pos, "could not open: %s", strerror(errno));
1247 static void node_counter(ir_node *node, void *env)
1250 unsigned long long *count = (unsigned long long*)env;
1254 static unsigned long long count_firm_nodes(void)
1256 unsigned long long count = 0;
1258 int n_irgs = get_irp_n_irgs();
1259 for (int i = 0; i < n_irgs; ++i) {
1260 ir_graph *irg = get_irp_irg(i);
1261 irg_walk_graph(irg, node_counter, NULL, &count);
1266 static int compilation_loop(compile_mode_t mode, compilation_unit_t *units,
1267 lang_standard_t standard, FILE *out)
1269 int result = EXIT_SUCCESS;
1270 bool already_constructed_firm = false;
1271 for (compilation_unit_t *unit = units; unit != NULL; unit = unit->next) {
1272 const char *const inputname = unit->name;
1274 determine_unit_standard(unit, standard);
1277 stat_ev_ctx_push_str("compilation_unit", inputname);
1280 switch (unit->type) {
1281 case COMPILATION_UNIT_IR: {
1282 bool res = open_input(unit);
1284 result = EXIT_FAILURE;
1287 res = !ir_import_file(unit->input, unit->name);
1289 position_t const pos = { inputname, 0, 0, 0 };
1290 errorf(&pos, "import of firm graph failed");
1291 result = EXIT_FAILURE;
1294 unit->type = COMPILATION_UNIT_INTERMEDIATE_REPRESENTATION;
1297 case COMPILATION_UNIT_ASSEMBLER: {
1298 if (external_preprocessor == NULL) {
1299 panic("preprocessed assembler not possible with internal preprocessor yet");
1301 bool res = run_external_preprocessor(unit);
1303 result = EXIT_FAILURE;
1306 /* write file to output... */
1308 if (mode == PreprocessOnly) {
1311 asm_out = make_temp_file("ccs", &unit->name);
1313 assert(unit->input != NULL);
1314 assert(unit->input_is_pipe);
1315 copy_file(asm_out, unit->input);
1318 unit->type = COMPILATION_UNIT_PREPROCESSED_ASSEMBLER;
1321 case COMPILATION_UNIT_C:
1322 case COMPILATION_UNIT_CXX:
1323 if (external_preprocessor != NULL) {
1324 bool res = run_external_preprocessor(unit);
1326 result = EXIT_FAILURE;
1333 case COMPILATION_UNIT_PREPROCESSED_C:
1334 case COMPILATION_UNIT_PREPROCESSED_CXX: {
1335 bool res = open_input(unit);
1337 result = EXIT_FAILURE;
1342 if (mode == PreprocessOnly) {
1343 bool res = output_preprocessor_tokens(unit, out);
1345 result = EXIT_FAILURE;
1351 /* do the actual parsing */
1355 case COMPILATION_UNIT_AST:
1356 /* prints the AST even if errors occurred */
1357 if (mode == PrintAst) {
1359 print_ast(unit->ast);
1361 if (unit->parse_errors) {
1362 result = EXIT_FAILURE;
1366 if (mode == BenchmarkParser) {
1368 } else if (mode == PrintFluffy) {
1369 write_fluffy_decls(out, unit->ast);
1371 } else if (mode == PrintJna) {
1372 write_jna_decls(out, unit->ast);
1374 } else if (mode == PrintCompoundSizes) {
1375 write_compoundsizes(out, unit->ast);
1379 /* build the firm graph */
1380 ir_timer_t *t_construct = ir_timer_new();
1381 timer_register(t_construct, "Frontend: Graph construction");
1382 timer_start(t_construct);
1383 if (already_constructed_firm) {
1384 panic("compiling multiple files/translation units not possible");
1386 init_implicit_optimizations();
1387 translation_unit_to_firm(unit->ast);
1388 already_constructed_firm = true;
1389 timer_stop(t_construct);
1390 if (stat_ev_enabled) {
1391 stat_ev_dbl("time_graph_construction", ir_timer_elapsed_sec(t_construct));
1392 stat_ev_int("size_graph_construction", count_firm_nodes());
1394 unit->type = COMPILATION_UNIT_INTERMEDIATE_REPRESENTATION;
1397 case COMPILATION_UNIT_INTERMEDIATE_REPRESENTATION:
1398 if (mode == ParseOnly)
1401 if (mode == CompileDump) {
1403 ident *id = new_id_from_str(dumpfunction);
1404 ir_graph *irg = NULL;
1405 int n_irgs = get_irp_n_irgs();
1406 for (int i = 0; i < n_irgs; ++i) {
1407 ir_graph *tirg = get_irp_irg(i);
1408 ident *irg_id = get_entity_ident(get_irg_entity(tirg));
1416 errorf(NULL, "no graph for function '%s' found", dumpfunction);
1417 return EXIT_FAILURE;
1420 dump_ir_graph_file(out, irg);
1422 return EXIT_SUCCESS;
1425 if (mode == CompileExportIR) {
1426 ir_export_file(out);
1427 if (ferror(out) != 0) {
1428 errorf(NULL, "writing to output failed");
1429 return EXIT_FAILURE;
1431 return EXIT_SUCCESS;
1435 if (mode == Compile) {
1438 asm_out = make_temp_file("ccs", &unit->name);
1440 ir_timer_t *t_opt_codegen = ir_timer_new();
1441 timer_register(t_opt_codegen, "Optimization and Codegeneration");
1442 timer_start(t_opt_codegen);
1443 generate_code(asm_out, inputname);
1444 timer_stop(t_opt_codegen);
1445 if (stat_ev_enabled) {
1446 stat_ev_dbl("time_opt_codegen", ir_timer_elapsed_sec(t_opt_codegen));
1448 if (asm_out != out) {
1451 unit->type = COMPILATION_UNIT_PREPROCESSED_ASSEMBLER;
1453 case COMPILATION_UNIT_PREPROCESSED_ASSEMBLER:
1454 if (mode != CompileAssemble && mode != CompileAssembleLink)
1458 const char *input = unit->name;
1459 if (mode == CompileAssemble) {
1461 unit->name = outname;
1463 FILE *tempf = make_temp_file("cco", &unit->name);
1468 assemble(unit->name, input);
1470 unit->type = COMPILATION_UNIT_OBJECT;
1472 case COMPILATION_UNIT_UNKNOWN:
1473 case COMPILATION_UNIT_AUTODETECT:
1474 case COMPILATION_UNIT_OBJECT:
1478 stat_ev_ctx_pop("compilation_unit");
1483 static int link_program(compilation_unit_t *units)
1485 obstack_1grow(&ldflags_obst, '\0');
1486 const char *flags = obstack_finish(&ldflags_obst);
1488 /* construct commandline */
1489 const char *linker = getenv("CPARSER_LINK");
1490 if (linker != NULL) {
1491 obstack_printf(&file_obst, "%s ", linker);
1493 if (target_triple != NULL)
1494 obstack_printf(&file_obst, "%s-", target_triple);
1495 obstack_printf(&file_obst, "%s ", LINKER);
1498 for (compilation_unit_t *unit = units; unit != NULL; unit = unit->next) {
1499 if (unit->type != COMPILATION_UNIT_OBJECT)
1502 add_flag(&file_obst, "%s", unit->name);
1505 add_flag(&file_obst, "-o");
1506 add_flag(&file_obst, outname);
1507 obstack_printf(&file_obst, "%s", flags);
1508 obstack_1grow(&file_obst, '\0');
1510 char *commandline = obstack_finish(&file_obst);
1515 int err = system(commandline);
1516 if (err != EXIT_SUCCESS) {
1517 errorf(NULL, "linker reported an error");
1518 return EXIT_FAILURE;
1520 return EXIT_SUCCESS;
1523 int main(int argc, char **argv)
1525 const char *print_file_name_file = NULL;
1526 compile_mode_t mode = CompileAssembleLink;
1528 char cpu_arch[16] = "ia32";
1529 compilation_unit_t *units = NULL;
1530 compilation_unit_t *last_unit = NULL;
1531 bool produce_statev = false;
1532 const char *filtev = NULL;
1533 bool profile_generate = false;
1534 bool profile_use = false;
1535 bool do_timing = false;
1536 bool print_timing = false;
1538 /* hack for now... */
1539 if (strstr(argv[0], "pptest") != NULL) {
1540 extern int pptest_main(int argc, char **argv);
1541 return pptest_main(argc, argv);
1544 temp_files = NEW_ARR_F(char*, 0);
1545 atexit(free_temp_files);
1547 obstack_init(&cppflags_obst);
1548 obstack_init(&ldflags_obst);
1549 obstack_init(&asflags_obst);
1550 obstack_init(&file_obst);
1551 init_include_paths();
1553 #define GET_ARG_AFTER(def, args) \
1555 def = &arg[sizeof(args)-1]; \
1556 if (def[0] == '\0') { \
1559 errorf(NULL, "expected argument after '" args "'"); \
1560 argument_errors = true; \
1564 if (def[0] == '-' && def[1] != '\0') { \
1565 errorf(NULL, "expected argument after '" args "'"); \
1566 argument_errors = true; \
1572 #define SINGLE_OPTION(ch) (option[0] == (ch) && option[1] == '\0')
1574 /* initialize this early because it has to parse options */
1577 /* early options parsing (find out optimization level and OS) */
1578 for (int i = 1; i < argc; ++i) {
1579 const char *arg = argv[i];
1583 const char *option = &arg[1];
1584 if (option[0] == 'O') {
1585 sscanf(&option[1], "%d", &opt_level);
1589 if (target_machine == NULL) {
1590 target_machine = firm_get_host_machine();
1592 choose_optimization_pack(opt_level);
1593 setup_target_machine();
1595 /* parse rest of options */
1596 lang_standard_t standard = STANDARD_DEFAULT;
1597 compilation_unit_type_t forced_unittype = COMPILATION_UNIT_AUTODETECT;
1598 help_sections_t help = HELP_NONE;
1599 bool argument_errors = false;
1600 for (int i = 1; i < argc; ++i) {
1601 const char *arg = argv[i];
1602 if (arg[0] == '-' && arg[1] != '\0') {
1604 const char *option = &arg[1];
1605 if (option[0] == 'o') {
1606 GET_ARG_AFTER(outname, "-o");
1607 } else if (option[0] == 'g') {
1608 /* TODO: parse -gX with 0<=x<=3... */
1609 set_be_option("debug=frameinfo");
1610 set_be_option("ia32-optcc=false");
1611 } else if (SINGLE_OPTION('c')) {
1612 mode = CompileAssemble;
1613 } else if (SINGLE_OPTION('E')) {
1614 mode = PreprocessOnly;
1615 } else if (SINGLE_OPTION('s')) {
1616 add_flag(&ldflags_obst, "-s");
1617 } else if (SINGLE_OPTION('S')) {
1619 } else if (option[0] == 'O') {
1621 } else if (option[0] == 'I') {
1623 GET_ARG_AFTER(opt, "-I");
1624 add_flag(&cppflags_obst, "-I%s", opt);
1625 append_include_path(&bracket_searchpath, opt);
1626 } else if (option[0] == 'D') {
1628 GET_ARG_AFTER(opt, "-D");
1629 add_flag(&cppflags_obst, "-D%s", opt);
1630 } else if (option[0] == 'U') {
1632 GET_ARG_AFTER(opt, "-U");
1633 add_flag(&cppflags_obst, "-U%s", opt);
1634 } else if (option[0] == 'l') {
1636 GET_ARG_AFTER(opt, "-l");
1637 add_flag(&ldflags_obst, "-l%s", opt);
1638 } else if (option[0] == 'L') {
1640 GET_ARG_AFTER(opt, "-L");
1641 add_flag(&ldflags_obst, "-L%s", opt);
1642 } else if (SINGLE_OPTION('v')) {
1644 } else if (SINGLE_OPTION('w')) {
1645 add_flag(&cppflags_obst, "-w");
1646 disable_all_warnings();
1647 } else if (option[0] == 'x') {
1649 GET_ARG_AFTER(opt, "-x");
1650 forced_unittype = get_unit_type_from_string(opt);
1651 if (forced_unittype == COMPILATION_UNIT_UNKNOWN) {
1652 errorf(NULL, "unknown language '%s'", opt);
1653 argument_errors = true;
1655 } else if (streq(option, "M")) {
1656 mode = PreprocessOnly;
1657 add_flag(&cppflags_obst, "-M");
1658 } else if (streq(option, "MMD") ||
1659 streq(option, "MD")) {
1660 construct_dep_target = true;
1661 add_flag(&cppflags_obst, "-%s", option);
1662 } else if (streq(option, "MM") ||
1663 streq(option, "MP")) {
1664 add_flag(&cppflags_obst, "-%s", option);
1665 } else if (streq(option, "MT") ||
1666 streq(option, "MQ") ||
1667 streq(option, "MF")) {
1669 GET_ARG_AFTER(opt, "-MT");
1670 add_flag(&cppflags_obst, "-%s", option);
1671 add_flag(&cppflags_obst, "%s", opt);
1672 } else if (streq(option, "include")) {
1674 GET_ARG_AFTER(opt, "-include");
1675 add_flag(&cppflags_obst, "-include");
1676 add_flag(&cppflags_obst, "%s", opt);
1677 } else if (streq(option, "idirafter")) {
1679 GET_ARG_AFTER(opt, "-idirafter");
1680 add_flag(&cppflags_obst, "-idirafter");
1681 add_flag(&cppflags_obst, "%s", opt);
1682 append_include_path(&after_searchpath, opt);
1683 } else if (streq(option, "isystem")) {
1685 GET_ARG_AFTER(opt, "-isystem");
1686 add_flag(&cppflags_obst, "-isystem");
1687 add_flag(&cppflags_obst, "%s", opt);
1688 append_include_path(&system_searchpath, opt);
1689 } else if (streq(option, "iquote")) {
1691 GET_ARG_AFTER(opt, "-iquote");
1692 add_flag(&cppflags_obst, "-iquote");
1693 add_flag(&cppflags_obst, "%s", opt);
1694 append_include_path("e_searchpath, opt);
1695 } else if (streq(option, "pthread")) {
1696 /* set flags for the preprocessor */
1697 add_flag(&cppflags_obst, "-D_REENTRANT");
1698 /* set flags for the linker */
1699 add_flag(&ldflags_obst, "-lpthread");
1700 } else if (streq(option, "nostdinc")
1701 || streq(option, "trigraphs")) {
1702 /* pass these through to the preprocessor */
1703 add_flag(&cppflags_obst, "%s", arg);
1704 } else if (streq(option, "pipe")) {
1705 /* here for gcc compatibility */
1706 } else if (streq(option, "static")) {
1707 add_flag(&ldflags_obst, "-static");
1708 } else if (streq(option, "shared")) {
1709 add_flag(&ldflags_obst, "-shared");
1710 } else if (option[0] == 'f') {
1711 char const *orig_opt;
1712 GET_ARG_AFTER(orig_opt, "-f");
1714 if (strstart(orig_opt, "input-charset=")) {
1715 char const* const encoding = strchr(orig_opt, '=') + 1;
1716 input_encoding = encoding;
1717 } else if (strstart(orig_opt, "align-loops=") ||
1718 strstart(orig_opt, "align-jumps=") ||
1719 strstart(orig_opt, "align-functions=")) {
1720 fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
1721 } else if (strstart(orig_opt, "visibility=")) {
1722 const char *val = strchr(orig_opt, '=')+1;
1723 elf_visibility_tag_t visibility
1724 = get_elf_visibility_from_string(val);
1725 if (visibility == ELF_VISIBILITY_ERROR) {
1726 errorf(NULL, "invalid visibility '%s' specified", val);
1727 argument_errors = true;
1729 set_default_visibility(visibility);
1731 } else if (strstart(orig_opt, "message-length=")) {
1732 /* ignore: would only affect error message format */
1733 } else if (streq(orig_opt, "fast-math") ||
1734 streq(orig_opt, "fp-fast")) {
1735 firm_fp_model = fp_model_fast;
1736 } else if (streq(orig_opt, "fp-precise")) {
1737 firm_fp_model = fp_model_precise;
1738 } else if (streq(orig_opt, "fp-strict")) {
1739 firm_fp_model = fp_model_strict;
1740 } else if (streq(orig_opt, "help")) {
1741 fprintf(stderr, "warning: -fhelp is deprecated\n");
1742 help |= HELP_OPTIMIZATION;
1744 /* -f options which have an -fno- variant */
1745 char const *opt = orig_opt;
1746 bool truth_value = true;
1747 if (opt[0] == 'n' && opt[1] == 'o' && opt[2] == '-') {
1748 truth_value = false;
1752 if (streq(opt, "diagnostics-show-option")) {
1753 diagnostics_show_option = truth_value;
1754 } else if (streq(opt, "dollars-in-identifiers")) {
1755 allow_dollar_in_symbol = truth_value;
1756 } else if (streq(opt, "omit-frame-pointer")) {
1757 set_be_option(truth_value ? "omitfp" : "omitfp=no");
1758 } else if (streq(opt, "short-wchar")) {
1759 wchar_atomic_kind = truth_value ? ATOMIC_TYPE_USHORT
1761 } else if (streq(opt, "show-column")) {
1762 show_column = truth_value;
1763 } else if (streq(opt, "signed-char")) {
1764 char_is_signed = truth_value;
1765 } else if (streq(opt, "strength-reduce")) {
1766 /* does nothing, for gcc compatibility (even gcc does
1767 * nothing for this switch anymore) */
1768 } else if (streq(opt, "syntax-only")) {
1769 mode = truth_value ? ParseOnly : CompileAssembleLink;
1770 } else if (streq(opt, "unsigned-char")) {
1771 char_is_signed = !truth_value;
1772 } else if (streq(opt, "freestanding")) {
1773 freestanding = truth_value;
1774 } else if (streq(opt, "hosted")) {
1775 freestanding = !truth_value;
1776 } else if (streq(opt, "profile-generate")) {
1777 profile_generate = truth_value;
1778 } else if (streq(opt, "profile-use")) {
1779 profile_use = truth_value;
1780 } else if (!truth_value &&
1781 streq(opt, "asynchronous-unwind-tables")) {
1782 /* nothing todo, a gcc feature which we do not support
1783 * anyway was deactivated */
1784 } else if (streq(opt, "verbose-asm")) {
1785 /* ignore: we always print verbose assembler */
1786 } else if (streq(opt, "jump-tables") ||
1787 streq(opt, "expensive-optimizations") ||
1788 streq(opt, "common") ||
1789 streq(opt, "optimize-sibling-calls") ||
1790 streq(opt, "align-loops") ||
1791 streq(opt, "align-jumps") ||
1792 streq(opt, "align-functions") ||
1793 streq(opt, "PIC") ||
1794 streq(opt, "stack-protector") ||
1795 streq(opt, "stack-protector-all")) {
1796 fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
1798 int res = firm_option(orig_opt);
1800 errorf(NULL, "unknown Firm option '-f%s'", orig_opt);
1801 argument_errors = true;
1806 } else if (option[0] == 'b') {
1808 GET_ARG_AFTER(opt, "-b");
1810 if (streq(opt, "help")) {
1811 fprintf(stderr, "warning: -bhelp is deprecated (use --help-firm)\n");
1814 int res = be_parse_arg(opt);
1816 errorf(NULL, "unknown Firm backend option '-b %s'", opt);
1817 argument_errors = true;
1818 } else if (strstart(opt, "isa=")) {
1819 strncpy(cpu_arch, opt, sizeof(cpu_arch));
1822 } else if (option[0] == 'W') {
1823 if (strstart(option + 1, "a,")) {
1825 GET_ARG_AFTER(opt, "-Wa,");
1826 add_flag(&asflags_obst, "-Wa,%s", opt);
1827 } else if (strstart(option + 1, "p,")) {
1828 // pass options directly to the preprocessor
1830 GET_ARG_AFTER(opt, "-Wp,");
1831 add_flag(&cppflags_obst, "-Wp,%s", opt);
1832 } else if (strstart(option + 1, "l,")) {
1833 // pass options directly to the linker
1835 GET_ARG_AFTER(opt, "-Wl,");
1836 add_flag(&ldflags_obst, "-Wl,%s", opt);
1837 } else if (streq(option + 1, "no-trigraphs")
1838 || streq(option + 1, "undef")
1839 || streq(option + 1, "missing-include-dirs")
1840 || streq(option + 1, "endif-labels")) {
1841 add_flag(&cppflags_obst, "%s", arg);
1842 } else if (streq(option+1, "init-self")) {
1843 /* ignored (same as gcc does) */
1844 } else if (streq(option+1, "format-y2k")
1845 || streq(option+1, "format-security")
1846 || streq(option+1, "old-style-declaration")
1847 || streq(option+1, "type-limits")) {
1848 /* ignore (gcc compatibility) */
1850 set_warning_opt(&option[1]);
1852 } else if (option[0] == 'm') {
1857 GET_ARG_AFTER(opt, "-m");
1858 if (strstart(opt, "target=")) {
1859 GET_ARG_AFTER(opt, "-mtarget=");
1860 if (!parse_target_triple(opt)) {
1861 argument_errors = true;
1863 const char *isa = setup_target_machine();
1864 strncpy(cpu_arch, isa, sizeof(cpu_arch));
1865 target_triple = opt;
1867 } else if (strstart(opt, "triple=")) {
1868 GET_ARG_AFTER(opt, "-mtriple=");
1869 if (!parse_target_triple(opt)) {
1870 argument_errors = true;
1872 const char *isa = setup_target_machine();
1873 strncpy(cpu_arch, isa, sizeof(cpu_arch));
1874 target_triple = opt;
1876 } else if (strstart(opt, "arch=")) {
1877 GET_ARG_AFTER(opt, "-march=");
1878 snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
1879 int res = be_parse_arg(arch_opt);
1880 snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
1881 res &= be_parse_arg(arch_opt);
1884 errorf(NULL, "unknown architecture '%s'", arch_opt);
1885 argument_errors = true;
1887 } else if (strstart(opt, "tune=")) {
1888 GET_ARG_AFTER(opt, "-mtune=");
1889 snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
1890 int res = be_parse_arg(arch_opt);
1892 argument_errors = true;
1893 } else if (strstart(opt, "cpu=")) {
1894 GET_ARG_AFTER(opt, "-mcpu=");
1895 snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
1896 int res = be_parse_arg(arch_opt);
1898 argument_errors = true;
1899 } else if (strstart(opt, "fpmath=")) {
1900 GET_ARG_AFTER(opt, "-mfpmath=");
1901 if (streq(opt, "387"))
1903 else if (streq(opt, "sse"))
1906 errorf(NULL, "option -mfpmath supports only 387 or sse");
1907 argument_errors = true;
1909 if (!argument_errors) {
1910 snprintf(arch_opt, sizeof(arch_opt), "%s-fpunit=%s", cpu_arch, opt);
1911 int res = be_parse_arg(arch_opt);
1913 argument_errors = true;
1915 } else if (strstart(opt, "preferred-stack-boundary=")) {
1916 GET_ARG_AFTER(opt, "-mpreferred-stack-boundary=");
1917 snprintf(arch_opt, sizeof(arch_opt), "%s-stackalign=%s", cpu_arch, opt);
1918 int res = be_parse_arg(arch_opt);
1920 argument_errors = true;
1921 } else if (streq(opt, "rtd")) {
1922 default_calling_convention = CC_STDCALL;
1923 } else if (strstart(opt, "regparm=")) {
1924 errorf(NULL, "regparm convention not supported yet");
1925 argument_errors = true;
1926 } else if (streq(opt, "soft-float")) {
1927 add_flag(&ldflags_obst, "-msoft-float");
1928 snprintf(arch_opt, sizeof(arch_opt), "%s-fpunit=softfloat", cpu_arch);
1929 int res = be_parse_arg(arch_opt);
1931 argument_errors = true;
1932 } else if (streq(opt, "sse2")) {
1933 /* ignore for now, our x86 backend always uses sse when
1934 * sse is requested */
1936 long int value = strtol(opt, NULL, 10);
1938 errorf(NULL, "wrong option '-m %s'", opt);
1939 argument_errors = true;
1940 } else if (value != 16 && value != 32 && value != 64) {
1941 errorf(NULL, "option -m supports only 16, 32 or 64");
1942 argument_errors = true;
1944 unsigned machine_size = (unsigned)value;
1945 /* TODO: choose/change backend based on this */
1946 add_flag(&cppflags_obst, "-m%u", machine_size);
1947 add_flag(&asflags_obst, "-m%u", machine_size);
1948 add_flag(&ldflags_obst, "-m%u", machine_size);
1951 } else if (option[0] == 'X') {
1952 if (streq(option + 1, "assembler")) {
1954 GET_ARG_AFTER(opt, "-Xassembler");
1955 add_flag(&asflags_obst, "-Xassembler");
1956 add_flag(&asflags_obst, opt);
1957 } else if (streq(option + 1, "preprocessor")) {
1959 GET_ARG_AFTER(opt, "-Xpreprocessor");
1960 add_flag(&cppflags_obst, "-Xpreprocessor");
1961 add_flag(&cppflags_obst, opt);
1962 } else if (streq(option + 1, "linker")) {
1964 GET_ARG_AFTER(opt, "-Xlinker");
1965 add_flag(&ldflags_obst, "-Xlinker");
1966 add_flag(&ldflags_obst, opt);
1968 } else if (streq(option, "pg")) {
1969 set_be_option("gprof");
1970 add_flag(&ldflags_obst, "-pg");
1971 } else if (streq(option, "ansi")) {
1972 standard = STANDARD_ANSI;
1973 } else if (streq(option, "pedantic")) {
1974 fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
1975 } else if (strstart(option, "std=")) {
1976 const char *const o = &option[4];
1978 streq(o, "c++") ? STANDARD_CXX98 :
1979 streq(o, "c++98") ? STANDARD_CXX98 :
1980 streq(o, "c11") ? STANDARD_C11 :
1981 streq(o, "c1x") ? STANDARD_C11 : // deprecated
1982 streq(o, "c89") ? STANDARD_C89 :
1983 streq(o, "c90") ? STANDARD_C89 :
1984 streq(o, "c99") ? STANDARD_C99 :
1985 streq(o, "c9x") ? STANDARD_C99 : // deprecated
1986 streq(o, "gnu++98") ? STANDARD_GNUXX98 :
1987 streq(o, "gnu11") ? STANDARD_GNU11 :
1988 streq(o, "gnu1x") ? STANDARD_GNU11 : // deprecated
1989 streq(o, "gnu89") ? STANDARD_GNU89 :
1990 streq(o, "gnu99") ? STANDARD_GNU99 :
1991 streq(o, "gnu9x") ? STANDARD_GNU99 : // deprecated
1992 streq(o, "iso9899:1990") ? STANDARD_C89 :
1993 streq(o, "iso9899:199409") ? STANDARD_C89AMD1 :
1994 streq(o, "iso9899:1999") ? STANDARD_C99 :
1995 streq(o, "iso9899:199x") ? STANDARD_C99 : // deprecated
1996 streq(o, "iso9899:2011") ? STANDARD_C11 :
1997 (fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg), standard);
1998 } else if (streq(option, "version")) {
1999 print_cparser_version();
2000 return EXIT_SUCCESS;
2001 } else if (streq(option, "dumpversion")) {
2002 /* gcc compatibility option */
2003 print_cparser_version_short();
2004 return EXIT_SUCCESS;
2005 } else if (strstart(option, "print-file-name=")) {
2006 GET_ARG_AFTER(print_file_name_file, "-print-file-name=");
2007 } else if (option[0] == '-') {
2008 /* double dash option */
2010 if (streq(option, "gcc")) {
2011 features_on |= _GNUC;
2012 features_off &= ~_GNUC;
2013 } else if (streq(option, "no-gcc")) {
2014 features_on &= ~_GNUC;
2015 features_off |= _GNUC;
2016 } else if (streq(option, "ms")) {
2018 features_off &= ~_MS;
2019 } else if (streq(option, "no-ms")) {
2020 features_on &= ~_MS;
2021 features_off |= _MS;
2022 } else if (streq(option, "strict")) {
2024 } else if (streq(option, "benchmark")) {
2025 mode = BenchmarkParser;
2026 } else if (streq(option, "print-ast")) {
2028 } else if (streq(option, "print-implicit-cast")) {
2029 print_implicit_casts = true;
2030 } else if (streq(option, "print-parenthesis")) {
2031 print_parenthesis = true;
2032 } else if (streq(option, "print-fluffy")) {
2034 } else if (streq(option, "print-compound-sizes")) {
2035 mode = PrintCompoundSizes;
2036 } else if (streq(option, "print-jna")) {
2038 } else if (streq(option, "jna-limit")) {
2041 errorf(NULL, "expected argument after '--jna-limit'");
2042 argument_errors = true;
2045 jna_limit_output(argv[i]);
2046 } else if (streq(option, "jna-libname")) {
2049 errorf(NULL, "expected argument after '--jna-libname'");
2050 argument_errors = true;
2053 jna_set_libname(argv[i]);
2054 } else if (streq(option, "external-pp")) {
2055 if (i+1 < argc && argv[i+1][0] != '-') {
2057 external_preprocessor = argv[i+1];
2059 external_preprocessor = PREPROCESSOR;
2061 } else if (streq(option, "no-external-pp")) {
2062 external_preprocessor = NULL;
2063 } else if (streq(option, "time")) {
2065 print_timing = true;
2066 } else if (streq(option, "statev")) {
2068 produce_statev = true;
2069 } else if (strstart(option, "filtev=")) {
2070 GET_ARG_AFTER(filtev, "--filtev=");
2071 } else if (streq(option, "version")) {
2072 print_cparser_version();
2073 return EXIT_SUCCESS;
2074 } else if (streq(option, "help")) {
2076 } else if (streq(option, "help-parser")) {
2077 help |= HELP_PARSER;
2078 } else if (streq(option, "help-warnings")) {
2079 help |= HELP_WARNINGS;
2080 } else if (streq(option, "help-codegen")) {
2081 help |= HELP_CODEGEN;
2082 } else if (streq(option, "help-linker")) {
2083 help |= HELP_LINKER;
2084 } else if (streq(option, "help-optimization")) {
2085 help |= HELP_OPTIMIZATION;
2086 } else if (streq(option, "help-language-tools")) {
2087 help |= HELP_LANGUAGETOOLS;
2088 } else if (streq(option, "help-debug")) {
2090 } else if (streq(option, "help-firm")) {
2092 } else if (streq(option, "help-all")) {
2094 } else if (streq(option, "dump-function")) {
2097 errorf(NULL, "expected argument after '--dump-function'");
2098 argument_errors = true;
2101 dumpfunction = argv[i];
2103 } else if (streq(option, "export-ir")) {
2104 mode = CompileExportIR;
2105 } else if (streq(option, "unroll-loops")) {
2106 /* ignore (gcc compatibility) */
2108 errorf(NULL, "unknown argument '%s'", arg);
2109 argument_errors = true;
2112 errorf(NULL, "unknown argument '%s'", arg);
2113 argument_errors = true;
2116 compilation_unit_type_t type = forced_unittype;
2117 if (type == COMPILATION_UNIT_AUTODETECT) {
2118 if (streq(arg, "-")) {
2119 /* - implicitly means C source file */
2120 type = COMPILATION_UNIT_C;
2122 const char *suffix = strrchr(arg, '.');
2123 /* Ensure there is at least one char before the suffix */
2124 if (suffix != NULL && suffix != arg) {
2127 streq(suffix, "S") ? COMPILATION_UNIT_ASSEMBLER :
2128 streq(suffix, "a") ? COMPILATION_UNIT_OBJECT :
2129 streq(suffix, "c") ? COMPILATION_UNIT_C :
2130 streq(suffix, "i") ? COMPILATION_UNIT_PREPROCESSED_C :
2131 streq(suffix, "C") ? COMPILATION_UNIT_CXX :
2132 streq(suffix, "cc") ? COMPILATION_UNIT_CXX :
2133 streq(suffix, "cp") ? COMPILATION_UNIT_CXX :
2134 streq(suffix, "cpp") ? COMPILATION_UNIT_CXX :
2135 streq(suffix, "CPP") ? COMPILATION_UNIT_CXX :
2136 streq(suffix, "cxx") ? COMPILATION_UNIT_CXX :
2137 streq(suffix, "c++") ? COMPILATION_UNIT_CXX :
2138 streq(suffix, "ii") ? COMPILATION_UNIT_PREPROCESSED_CXX :
2139 streq(suffix, "h") ? COMPILATION_UNIT_C :
2140 streq(suffix, "ir") ? COMPILATION_UNIT_IR :
2141 streq(suffix, "o") ? COMPILATION_UNIT_OBJECT :
2142 streq(suffix, "s") ? COMPILATION_UNIT_PREPROCESSED_ASSEMBLER :
2143 streq(suffix, "so") ? COMPILATION_UNIT_OBJECT :
2144 COMPILATION_UNIT_OBJECT; /* gcc behavior: unknown file extension means object file */
2149 compilation_unit_t *entry = OALLOCZ(&file_obst, compilation_unit_t);
2153 if (last_unit != NULL) {
2154 last_unit->next = entry;
2162 if (help != HELP_NONE) {
2163 print_help(argv[0], help);
2164 return !argument_errors;
2167 if (print_file_name_file != NULL) {
2168 print_file_name(print_file_name_file);
2169 return EXIT_SUCCESS;
2171 if (units == NULL) {
2172 errorf(NULL, "no input files specified");
2173 argument_errors = true;
2176 if (argument_errors) {
2178 return EXIT_FAILURE;
2181 /* apply some effects from switches */
2182 c_mode |= features_on;
2183 c_mode &= ~features_off;
2184 if (profile_generate) {
2185 add_flag(&ldflags_obst, "-lfirmprof");
2186 set_be_option("profilegenerate");
2189 set_be_option("profileuse");
2192 init_symbol_table();
2193 init_types_and_adjust();
2196 if (c_mode & _CXX) {
2197 init_wchar_types(ATOMIC_TYPE_WCHAR_T);
2199 init_wchar_types(wchar_atomic_kind);
2201 init_preprocessor();
2210 char outnamebuf[4096];
2211 if (outname == NULL) {
2212 const char *filename = units->name;
2215 case BenchmarkParser:
2219 case PrintCompoundSizes:
2220 case PreprocessOnly:
2225 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".s");
2226 outname = outnamebuf;
2228 case CompileAssemble:
2229 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".o");
2230 outname = outnamebuf;
2233 get_output_name(outnamebuf, sizeof(outnamebuf), dumpfunction,
2235 outname = outnamebuf;
2237 case CompileExportIR:
2238 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".ir");
2239 outname = outnamebuf;
2241 case CompileAssembleLink:
2242 if (firm_is_windows_os(target_machine)) {
2251 assert(outname != NULL);
2254 if (streq(outname, "-")) {
2257 out = fopen(outname, "w");
2259 position_t const pos = { outname, 0, 0, 0 };
2260 errorf(&pos, "could not open for writing: %s", strerror(errno));
2261 return EXIT_FAILURE;
2265 if (produce_statev && units != NULL) {
2266 /* attempt to guess a good name for the file */
2267 const char *first_cup = units->name;
2268 if (first_cup != NULL) {
2269 const char *dot = strrchr(first_cup, '.');
2270 const char *pos = dot ? dot : first_cup + strlen(first_cup);
2271 char buf[pos-first_cup+1];
2272 strncpy(buf, first_cup, pos-first_cup);
2273 buf[pos-first_cup] = '\0';
2275 stat_ev_begin(buf, filtev);
2279 int result = compilation_loop(mode, units, standard, out);
2280 if (stat_ev_enabled) {
2284 if (result != EXIT_SUCCESS) {
2290 /* link program file */
2291 if (mode == CompileAssembleLink) {
2292 int result = link_program(units);
2293 if (result != EXIT_SUCCESS) {
2301 timer_term(print_timing ? stderr : NULL);
2304 obstack_free(&cppflags_obst, NULL);
2305 obstack_free(&ldflags_obst, NULL);
2306 obstack_free(&asflags_obst, NULL);
2307 obstack_free(&file_obst, NULL);
2314 exit_preprocessor();
2318 exit_symbol_table();
2319 return EXIT_SUCCESS;