2 * This file is part of cparser.
3 * Copyright (C) 2012 Matthias Braun <matze@braunis.de>
21 /* no eXecute on Win32 */
26 #define O_RDWR _O_RDWR
27 #define O_CREAT _O_CREAT
28 #define O_EXCL _O_EXCL
29 #define O_BINARY _O_BINARY
31 /* remap some names, we are not in the POSIX world */
32 #define access(fname, mode) _access(fname, mode)
33 #define mktemp(tmpl) _mktemp(tmpl)
34 #define open(fname, oflag, mode) _open(fname, oflag, mode)
35 #define fdopen(fd, mode) _fdopen(fd, mode)
36 #define popen(cmd, mode) _popen(cmd, mode)
37 #define pclose(file) _pclose(file)
38 #define unlink(filename) _unlink(filename)
45 #include <libfirm/firm.h>
46 #include <libfirm/be.h>
47 #include <libfirm/statev.h>
51 #include "preprocessor.h"
54 #include "type_hash.h"
58 #include "diagnostic.h"
59 #include "lang_features.h"
60 #include "driver/firm_opt.h"
61 #include "driver/firm_timing.h"
62 #include "driver/firm_machine.h"
63 #include "adt/error.h"
64 #include "adt/strutil.h"
65 #include "adt/array.h"
66 #include "symbol_table.h"
67 #include "wrappergen/write_fluffy.h"
68 #include "wrappergen/write_jna.h"
69 #include "wrappergen/write_compoundsizes.h"
78 #define PREPROCESSOR "gcc -E -U__STRICT_ANSI__ -U__BLOCKS__"
80 #define PREPROCESSOR "cpp -U__STRICT_ANSI__"
89 #define ASSEMBLER "gcc -c -xassembler"
92 unsigned int c_mode = _C89 | _C99 | _GNUC;
93 bool byte_order_big_endian = false;
94 bool strict_mode = false;
95 bool enable_main_collect2_hack = false;
96 bool freestanding = false;
97 unsigned architecture_modulo_shift = 0;
99 static bool char_is_signed = true;
100 static atomic_type_kind_t wchar_atomic_kind = ATOMIC_TYPE_INT;
101 static unsigned features_on = 0;
102 static unsigned features_off = 0;
103 static const char *dumpfunction = NULL;
104 static struct obstack file_obst;
105 static const char *external_preprocessor = PREPROCESSOR;
107 static machine_triple_t *target_machine;
108 static const char *target_triple;
110 static struct obstack cppflags_obst;
111 static struct obstack ldflags_obst;
112 static struct obstack asflags_obst;
113 static const char *outname;
114 static bool define_intmax_types;
115 static const char *input_encoding;
116 static bool construct_dep_target;
118 typedef enum lang_standard_t {
119 STANDARD_DEFAULT, /* gnu99 (for C, GCC does gnu89) or gnu++98 (for C++) */
120 STANDARD_ANSI, /* ISO C90 (for C) or ISO C++ 1998 (for C++) */
121 STANDARD_C89, /* ISO C90 (sic) */
122 STANDARD_C89AMD1, /* ISO C90 as modified in amendment 1 */
123 STANDARD_C99, /* ISO C99 */
124 STANDARD_C11, /* ISO C11 */
125 STANDARD_GNU89, /* ISO C90 plus GNU extensions (including some C99) */
126 STANDARD_GNU99, /* ISO C99 plus GNU extensions */
127 STANDARD_GNU11, /* ISO C11 plus GNU extensions */
128 STANDARD_CXX98, /* ISO C++ 1998 plus amendments */
129 STANDARD_GNUXX98 /* ISO C++ 1998 plus amendments and GNU extensions */
132 typedef enum compilation_unit_type_t {
133 COMPILATION_UNIT_AUTODETECT,
135 COMPILATION_UNIT_PREPROCESSED_C,
136 COMPILATION_UNIT_CXX,
137 COMPILATION_UNIT_PREPROCESSED_CXX,
138 COMPILATION_UNIT_AST,
139 COMPILATION_UNIT_INTERMEDIATE_REPRESENTATION,
140 COMPILATION_UNIT_ASSEMBLER,
141 COMPILATION_UNIT_PREPROCESSED_ASSEMBLER,
142 COMPILATION_UNIT_OBJECT,
144 COMPILATION_UNIT_UNKNOWN
145 } compilation_unit_type_t;
147 typedef struct compilation_unit_t compilation_unit_t;
148 struct compilation_unit_t {
149 const char *name; /**< filename or "-" for stdin */
150 FILE *input; /**< input (NULL if not opened yet) */
152 compilation_unit_type_t type;
153 lang_standard_t standard;
154 translation_unit_t *ast;
156 compilation_unit_t *next;
159 static char **temp_files;
161 static void get_output_name(char *buf, size_t buflen, const char *inputname,
164 if (inputname == NULL)
167 char const *const last_slash = strrchr(inputname, '/');
168 char const *const filename =
169 last_slash != NULL ? last_slash + 1 : inputname;
170 char const *const last_dot = strrchr(filename, '.');
171 char const *const name_end =
172 last_dot != NULL ? last_dot : strchr(filename, '\0');
174 int const len = snprintf(buf, buflen, "%.*s%s",
175 (int)(name_end - filename), filename, newext);
177 if (len < 0 || buflen <= (size_t)len)
179 if (buflen <= (size_t)len)
181 panic("filename too long");
184 static bool close_input(compilation_unit_t *unit)
188 if (unit->input == stdin) {
190 } else if (unit->input_is_pipe) {
191 res = pclose(unit->input) == EXIT_SUCCESS;
201 static void print_error_summary(void)
203 if (error_count > 0) {
204 /* parsing failed because of errors */
205 fprintf(stderr, "%u error(s), %u warning(s)\n", error_count,
207 } else if (warning_count > 0) {
208 fprintf(stderr, "%u warning(s)\n", warning_count);
212 static void do_parsing(compilation_unit_t *unit)
214 ir_timer_t *t_parsing = ir_timer_new();
215 timer_register(t_parsing, "Frontend: Parsing");
216 timer_start(t_parsing);
220 switch_pp_input(unit->input, unit->name, NULL, false);
222 unit->ast = finish_parsing();
223 check_unclosed_conditionals();
225 bool res = close_input(unit);
227 print_error_summary();
229 unit->type = COMPILATION_UNIT_AST;
230 unit->parse_errors = error_count > 0 || !res;
231 timer_stop(t_parsing);
232 if (stat_ev_enabled) {
233 stat_ev_dbl("time_parsing", ir_timer_elapsed_sec(t_parsing));
237 static void add_flag(struct obstack *obst, const char *format, ...)
242 va_start(ap, format);
246 vsnprintf(buf, sizeof(buf), format, ap);
249 obstack_1grow(obst, ' ');
251 obstack_1grow(obst, '"');
252 obstack_grow(obst, buf, len);
253 obstack_1grow(obst, '"');
255 /* escape stuff... */
256 for (char *c = buf; *c != '\0'; ++c) {
274 obstack_1grow(obst, '\\');
277 obstack_1grow(obst, *c);
284 static const char *type_to_string(type_t *type)
286 assert(type->kind == TYPE_ATOMIC);
287 return get_atomic_kind_name(type->atomic.akind);
290 static char const* str_lang_standard(lang_standard_t const standard)
293 case STANDARD_C89: return "c89";
294 case STANDARD_C89AMD1: return "iso9899:199409";
295 case STANDARD_C99: return "c99";
296 case STANDARD_C11: return "c11";
297 case STANDARD_GNU89: return "gnu89";
298 case STANDARD_GNU99: return "gnu99";
299 case STANDARD_GNU11: return "gnu11";
300 case STANDARD_CXX98: return "c++98";
301 case STANDARD_GNUXX98: return "gnu++98";
302 case STANDARD_ANSI: break;
303 case STANDARD_DEFAULT: break;
305 panic("invalid standard");
308 static bool run_external_preprocessor(compilation_unit_t *unit)
310 obstack_1grow(&cppflags_obst, '\0');
311 const char *flags = obstack_finish(&cppflags_obst);
313 const char *preprocessor = getenv("CPARSER_PP");
314 if (preprocessor != NULL) {
315 obstack_printf(&cppflags_obst, "%s ", preprocessor);
317 if (target_triple != NULL)
318 obstack_printf(&cppflags_obst, "%s-", target_triple);
319 obstack_printf(&cppflags_obst, "%s", external_preprocessor);
323 switch (unit->type) {
324 case COMPILATION_UNIT_C: lang = "c"; break;
325 case COMPILATION_UNIT_CXX: lang = "c++"; break;
326 case COMPILATION_UNIT_ASSEMBLER: lang = "assembler-with-cpp"; break;
327 default: lang = NULL; break;
330 add_flag(&cppflags_obst, "-x%s", lang);
332 if (unit->type == COMPILATION_UNIT_C
333 || unit->type == COMPILATION_UNIT_CXX) {
334 add_flag(&cppflags_obst, "-std=%s", str_lang_standard(unit->standard));
336 /* setup default defines */
337 add_flag(&cppflags_obst, "-U__WCHAR_TYPE__");
338 add_flag(&cppflags_obst, "-D__WCHAR_TYPE__=%s", type_to_string(type_wchar_t));
339 add_flag(&cppflags_obst, "-U__SIZE_TYPE__");
340 add_flag(&cppflags_obst, "-D__SIZE_TYPE__=%s", type_to_string(type_size_t));
342 add_flag(&cppflags_obst, "-U__VERSION__");
343 add_flag(&cppflags_obst, "-D__VERSION__=\"%s\"", cparser_REVISION);
345 if (define_intmax_types) {
346 add_flag(&cppflags_obst, "-U__INTMAX_TYPE__");
347 add_flag(&cppflags_obst, "-D__INTMAX_TYPE__=%s", type_to_string(type_intmax_t));
348 add_flag(&cppflags_obst, "-U__UINTMAX_TYPE__");
349 add_flag(&cppflags_obst, "-D__UINTMAX_TYPE__=%s", type_to_string(type_uintmax_t));
352 if (flags[0] != '\0') {
353 size_t len = strlen(flags);
354 obstack_1grow(&cppflags_obst, ' ');
355 obstack_grow(&cppflags_obst, flags, len);
358 /* handle dependency generation */
359 if (construct_dep_target) {
360 static char dep_target[4096];
362 size_t len = strlen(outname);
363 if (len > sizeof(dep_target)-4) /* leave room for .d extension */
364 len = sizeof(dep_target)-4;
365 memcpy(dep_target, outname, len);
366 /* replace extension with .d if found */
367 char *dot = &dep_target[len-1];
368 for ( ; dot >= dep_target && *dot != '/'; --dot) {
371 len = (dot-dep_target)+2;
375 dep_target[len] = '\0';
377 get_output_name(dep_target, sizeof(dep_target), unit->name, ".d");
380 add_flag(&cppflags_obst, "-MF");
381 add_flag(&cppflags_obst, dep_target);
383 assert(unit->input == NULL);
384 add_flag(&cppflags_obst, unit->name);
385 obstack_1grow(&cppflags_obst, '\0');
387 char *commandline = obstack_finish(&cppflags_obst);
391 FILE *f = popen(commandline, "r");
393 position_t const pos = { unit->name, 0, 0, 0 };
394 errorf(&pos, "invoking preprocessor failed");
397 /* we do not really need that anymore */
398 obstack_free(&cppflags_obst, commandline);
401 unit->input_is_pipe = true;
402 switch (unit->type) {
403 case COMPILATION_UNIT_ASSEMBLER:
404 unit->type = COMPILATION_UNIT_PREPROCESSED_ASSEMBLER;
406 case COMPILATION_UNIT_C:
407 unit->type = COMPILATION_UNIT_PREPROCESSED_C;
409 case COMPILATION_UNIT_CXX:
410 unit->type = COMPILATION_UNIT_PREPROCESSED_CXX;
413 unit->type = COMPILATION_UNIT_UNKNOWN;
420 static void assemble(const char *out, const char *in)
422 obstack_1grow(&asflags_obst, '\0');
423 const char *flags = obstack_finish(&asflags_obst);
425 const char *assembler = getenv("CPARSER_AS");
426 if (assembler != NULL) {
427 obstack_printf(&asflags_obst, "%s", assembler);
429 if (target_triple != NULL)
430 obstack_printf(&asflags_obst, "%s-", target_triple);
431 obstack_printf(&asflags_obst, "%s", ASSEMBLER);
433 if (flags[0] != '\0')
434 obstack_printf(&asflags_obst, " %s", flags);
436 obstack_printf(&asflags_obst, " %s -o %s", in, out);
437 obstack_1grow(&asflags_obst, '\0');
439 char *commandline = obstack_finish(&asflags_obst);
443 int err = system(commandline);
444 if (err != EXIT_SUCCESS) {
445 position_t const pos = { in, 0, 0, 0 };
446 errorf(&pos, "assembler reported an error");
449 obstack_free(&asflags_obst, commandline);
452 static void print_file_name(const char *file)
454 add_flag(&ldflags_obst, "-print-file-name=%s", file);
456 obstack_1grow(&ldflags_obst, '\0');
457 const char *flags = obstack_finish(&ldflags_obst);
459 /* construct commandline */
460 const char *linker = getenv("CPARSER_LINK");
461 if (linker != NULL) {
462 obstack_printf(&ldflags_obst, "%s ", linker);
464 if (target_triple != NULL)
465 obstack_printf(&ldflags_obst, "%s-", target_triple);
466 obstack_printf(&ldflags_obst, "%s ", LINKER);
468 obstack_printf(&ldflags_obst, "%s ", linker);
469 obstack_printf(&ldflags_obst, "%s", flags);
470 obstack_1grow(&ldflags_obst, '\0');
472 char *commandline = obstack_finish(&ldflags_obst);
476 int err = system(commandline);
477 if (err != EXIT_SUCCESS) {
478 position_t const pos = { file, 0, 0, 0 };
479 errorf(&pos, "linker reported an error");
482 obstack_free(&ldflags_obst, commandline);
485 static const char *try_dir(const char *dir)
489 if (access(dir, R_OK | W_OK | X_OK) == 0)
494 static const char *get_tempdir(void)
496 static const char *tmpdir = NULL;
502 tmpdir = try_dir(getenv("TMPDIR"));
504 tmpdir = try_dir(getenv("TMP"));
506 tmpdir = try_dir(getenv("TEMP"));
510 tmpdir = try_dir(P_tmpdir);
514 tmpdir = try_dir("/var/tmp");
516 tmpdir = try_dir("/usr/tmp");
518 tmpdir = try_dir("/tmp");
527 /* cheap and nasty mkstemp replacement */
528 static int mkstemp(char *templ)
531 return open(templ, O_RDWR|O_CREAT|O_EXCL|O_BINARY, 0600);
536 * custom version of tmpnam, which: writes to an obstack, emits no warnings
537 * during linking (like glibc/gnu ld do for tmpnam)...
539 static FILE *make_temp_file(const char *prefix, const char **name_result)
541 const char *tempdir = get_tempdir();
542 assert(obstack_object_size(&file_obst) == 0);
543 obstack_printf(&file_obst, "%s/%sXXXXXX", tempdir, prefix);
544 obstack_1grow(&file_obst, '\0');
546 char *name = obstack_finish(&file_obst);
547 int fd = mkstemp(name);
549 position_t const pos = { name, 0, 0, 0 };
550 errorf(&pos, "could not create temporary file: %s", strerror(errno));
553 FILE *out = fdopen(fd, "w");
555 position_t const pos = { name, 0, 0, 0 };
556 errorf(&pos, "could not open temporary file as FILE*");
560 ARR_APP1(char*, temp_files, name);
565 static void free_temp_files(void)
567 if (temp_files == NULL)
570 size_t n_temp_files = ARR_LEN(temp_files);
572 for (i = 0; i < n_temp_files; ++i) {
573 char *file = temp_files[i];
576 DEL_ARR_F(temp_files);
580 typedef enum compile_mode_t {
595 static void usage(const char *argv0)
597 fprintf(stderr, "Usage %s [options] input [-o output]\n", argv0);
600 static void print_cparser_version(void)
602 printf("cparser (%s) using libFirm (%u.%u",
603 cparser_REVISION, ir_get_version_major(),
604 ir_get_version_minor());
606 const char *revision = ir_get_version_revision();
607 if (revision[0] != 0) {
609 fputs(revision, stdout);
612 const char *build = ir_get_version_build();
615 fputs(build, stdout);
618 puts("This is free software; see the source for copying conditions. There is NO\n"
619 "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n");
622 static void print_cparser_version_short(void)
624 puts(cparser_REVISION);
627 static void print_help_basic(const char *argv0)
631 put_help("--help", "Display this information");
632 put_help("--version", "Display compiler version");
633 put_help("--help-parser", "Display information about parser options");
634 put_help("--help-warnings", "Display information about warning options");
635 put_help("--help-codegen", "Display information about code-generation options");
636 put_help("--help-optimization", "Display information about optimization options");
637 put_help("--help-linker", "Display information about linker options");
638 put_help("--help-language-tools", "Display information about language tools options");
639 put_help("--help-debug", "Display information about compiler debugging options");
640 put_help("--help-firm", "Display information about direct firm options");
641 put_help("--help-all", "Display information about all options");
642 put_help("-c", "Compile and assemble but do not link");
643 put_help("-E", "Preprocess only");
644 put_help("-S", "Compile but do not assembler or link");
645 put_help("-o", "Specify output file");
646 put_help("-v", "Verbose output (show invocation of sub-processes)");
647 put_help("-x", "Force input language:");
648 put_choice("c", "C");
649 put_choice("c++", "C++");
650 put_choice("assembler", "Assembler (no preprocessing)");
651 put_choice("assembler-with-cpp", "Assembler with preprocessing");
652 put_choice("none", "Autodetection");
653 put_help("-pipe", "Ignored (gcc compatibility)");
656 static void print_help_preprocessor(void)
658 put_help("-nostdinc", "Do not search standard system include directories");
659 put_help("-trigraphs", "Support ISO C trigraphs");
660 put_help("-isystem", "");
661 put_help("-include", "");
662 put_help("-I PATH", "");
663 put_help("-D SYMBOL[=value]", "");
664 put_help("-U SYMBOL", "");
665 put_help("-Wp,OPTION", "Pass option directly to preprocessor");
666 put_help("-Xpreprocessor OPTION", "Pass option directly to preprocessor");
669 put_help("-MMD", "");
677 static void print_help_parser(void)
679 put_help("-finput-charset=CHARSET", "Select encoding of input files");
680 put_help("-fmessage-length=LEN", "Ignored (gcc compatibility)");
681 put_help("-fshort-wchar", "Type \"wchar_t\" is unsigned short instead of int");
682 put_help("-fshow-column", "Show the column number in diagnostic messages");
683 put_help("-fsigned-char", "Type \"char\" is a signed type");
684 put_help("-funsigned-char", "Type \"char\" is an unsigned type");
685 put_help("--ms", "Enable msvc extensions");
686 put_help("--no-ms", "Disable msvc extensions");
687 put_help("--gcc", "Enable gcc extensions");
688 put_help("--no-gcc", "Disable gcc extensions");
689 put_help("-std=STANDARD", "Specify language standard:");
690 put_choice("c99", "ISO C99 standard");
691 put_choice("c89", "ISO C89 standard");
692 put_choice("c90", "Same as -std=c89");
693 put_choice("c11", "ISO C11 standard");
694 put_choice("c9x", "Deprecated");
695 put_choice("c++", "ISO C++ 98");
696 put_choice("c++98", "ISO C++ 98");
697 put_choice("gnu99", "ISO C99 + GNU extensions (default)");
698 put_choice("gnu89", "ISO C89 + GNU extensions");
699 put_choice("gnu11", "ISO C11 + GNU extensions");
700 put_choice("gnu9x", "Deprecated");
701 put_choice("iso9899:1990", "ISO C89");
702 put_choice("iso9899:199409", "ISO C90");
703 put_choice("iso9899:1999", "ISO C99");
704 put_choice("iso9899:199x", "Deprecated");
705 put_help("-pedantic", "Ignored (gcc compatibility)");
706 put_help("-ansi", "-std=c90 (for C) or -std=c++98 (for C++)");
707 put_help("--strict", "Enable strict conformance checking");
710 static void print_help_warnings(void)
712 put_help("-f[no-]diagnostics-show-option", "Show the switch, which controls a warning, after each warning");
713 put_help("-w", "Disable all warnings");
714 put_help("-Wno-trigraphs", "Warn if input contains trigraphs");
715 put_help("-Wundef", "Warn if an undefined macro is used in an #if");
716 put_help("-Wmissing-include-dirs", "Warn about missing user-specified include directories");
717 put_help("-Wendif-labels", "Warn about stray text after #elif and #endif");
718 put_help("-Winit-self", "Ignored (gcc compatibility)");
719 put_help("-Wformat-y2k", "Ignored (gcc compatibility)");
720 put_help("-Wformat-security", "Ignored (gcc compatibility)");
721 put_help("-Wold-style-declaration", "Ignored (gcc compatibility)");
722 put_help("-Wtype-limits", "Ignored (gcc compatibility)");
723 print_warning_opt_help();
726 static void print_help_optimization(void)
728 put_help("-O LEVEL", "Select optimization level (0-4)");
729 firm_option_help(put_help);
730 put_help("-fexpensive-optimizations","Ignored (gcc compatibility)");
733 static void print_help_codegeneration(void)
735 put_help("-g", "Generate debug information");
736 put_help("-pg", "Instrument code for gnu gprof");
737 put_help("-fomit-frame-pointer", "Produce code without frame pointer where possible");
738 put_help("-ffreestanding", "Compile in freestanding mode (see ISO C standard)");
739 put_help("-fhosted", "Compile in hosted (not freestanding) mode");
740 put_help("-fprofile-generate", "Generate instrumented code to collect profile information");
741 put_help("-fprofile-use", "Use profile information generated by instrumented binaries");
742 put_help("-ffp-precise", "Precise floating point model");
743 put_help("-ffp-fast", "Imprecise floating point model");
744 put_help("-ffp-strict", "Strict floating point model");
745 put_help("-pthread", "Use pthread threading library");
746 put_help("-mtarget=TARGET", "Specify target architecture as CPU-manufacturer-OS triple");
747 put_help("-mtriple=TARGET", "Alias for -mtarget (clang compatibility)");
748 put_help("-march=ARCH", "");
749 put_help("-mtune=ARCH", "");
750 put_help("-mcpu=CPU", "");
751 put_help("-mfpmath=", "");
752 put_help("-mpreferred-stack-boundary=", "");
753 put_help("-mrtd", "");
754 put_help("-mregparm=", "Not supported yet");
755 put_help("-msoft-float", "Not supported yet");
756 put_help("-m32", "Generate 32bit code");
757 put_help("-m64", "Generate 64bit code");
758 put_help("-fverbose-asm", "Ignored (gcc compatibility)");
759 put_help("-fjump-tables", "Ignored (gcc compatibility)");
760 put_help("-fcommon", "Ignored (gcc compatibility)");
761 put_help("-foptimize-sibling-calls", "Ignored (gcc compatibility)");
762 put_help("-falign-loops", "Ignored (gcc compatibility)");
763 put_help("-falign-jumps", "Ignored (gcc compatibility)");
764 put_help("-falign-functions", "Ignored (gcc compatibility)");
765 put_help("-fPIC", "Ignored (gcc compatibility)");
766 put_help("-ffast-math", "Same as -ffp-fast (gcc compatibility)");
768 puts("\tMost of these options can be used with a no- prefix to disable them");
769 puts("\te.g. -fno-omit-frame-pointer");
772 static void print_help_linker(void)
774 put_help("-l LIBRARY", "");
775 put_help("-L PATH", "");
776 put_help("-s", "Do not produce symbol table and relocation information");
777 put_help("-shared", "Produce a shared library");
778 put_help("-static", "Produce statically linked binary");
779 put_help("-Wa,OPTION", "Pass option directly to assembler");
780 put_help("-Xassembler OPTION", "Pass option directly to assembler");
781 put_help("-Wl,OPTION", "Pass option directly to linker");
782 put_help("-Xlinker OPTION", "Pass option directly to linker");
785 static void print_help_debug(void)
787 put_help("--print-ast", "Preprocess, parse and print AST");
788 put_help("--print-implicit-cast", "");
789 put_help("--print-parenthesis", "");
790 put_help("--benchmark", "Preprocess and parse, produces no output");
791 put_help("--time", "Measure time of compiler passes");
792 put_help("--statev", "Produce statev output");
793 put_help("--filtev=filter", "Set statev filter regex");
794 put_help("--dump-function func", "Preprocess, parse and output vcg graph of func");
795 put_help("--export-ir", "Preprocess, parse and output compiler intermediate representation");
798 static void print_help_language_tools(void)
800 put_help("--print-fluffy", "Preprocess, parse and generate declarations for the fluffy language");
801 put_help("--print-jna", "Preprocess, parse and generate declarations for JNA");
802 put_help("--jna-limit filename", "");
803 put_help("--jna-libname name", "");
806 static void print_help_firm(void)
808 put_help("-bOPTION", "Directly pass option to libFirm backend");
809 int res = be_parse_arg("help");
817 HELP_PREPROCESSOR = 1 << 1,
818 HELP_PARSER = 1 << 2,
819 HELP_WARNINGS = 1 << 3,
820 HELP_OPTIMIZATION = 1 << 4,
821 HELP_CODEGEN = 1 << 5,
822 HELP_LINKER = 1 << 6,
823 HELP_LANGUAGETOOLS = 1 << 7,
830 static void print_help(const char *argv0, help_sections_t sections)
832 if (sections & HELP_BASIC) print_help_basic(argv0);
833 if (sections & HELP_PREPROCESSOR) print_help_preprocessor();
834 if (sections & HELP_PARSER) print_help_parser();
835 if (sections & HELP_WARNINGS) print_help_warnings();
836 if (sections & HELP_OPTIMIZATION) print_help_optimization();
837 if (sections & HELP_CODEGEN) print_help_codegeneration();
838 if (sections & HELP_LINKER) print_help_linker();
839 if (sections & HELP_LANGUAGETOOLS) print_help_language_tools();
840 if (sections & HELP_DEBUG) print_help_debug();
841 if (sections & HELP_FIRM) print_help_firm();
844 static void set_be_option(const char *arg)
846 int res = be_parse_arg(arg);
851 static compilation_unit_type_t get_unit_type_from_string(const char *string)
853 if (streq(string, "c") || streq(string, "c-header"))
854 return COMPILATION_UNIT_C;
855 if (streq(string, "c++") || streq(string, "c++-header"))
856 return COMPILATION_UNIT_CXX;
857 if (streq(string, "assembler"))
858 return COMPILATION_UNIT_PREPROCESSED_ASSEMBLER;
859 if (streq(string, "assembler-with-cpp"))
860 return COMPILATION_UNIT_ASSEMBLER;
861 if (streq(string, "none"))
862 return COMPILATION_UNIT_AUTODETECT;
864 return COMPILATION_UNIT_UNKNOWN;
867 static bool init_os_support(void)
869 wchar_atomic_kind = ATOMIC_TYPE_INT;
870 enable_main_collect2_hack = false;
871 define_intmax_types = false;
873 if (firm_is_unixish_os(target_machine)) {
874 set_create_ld_ident(create_name_linux_elf);
875 } else if (firm_is_darwin_os(target_machine)) {
876 set_create_ld_ident(create_name_macho);
877 define_intmax_types = true;
878 } else if (firm_is_windows_os(target_machine)) {
879 wchar_atomic_kind = ATOMIC_TYPE_USHORT;
880 enable_main_collect2_hack = true;
881 set_create_ld_ident(create_name_win32);
889 static bool parse_target_triple(const char *arg)
891 machine_triple_t *triple = firm_parse_machine_triple(arg);
892 if (triple == NULL) {
893 errorf(NULL, "target-triple '%s' is not in the form 'cpu_type-manufacturer-operating_system'", arg);
896 target_machine = triple;
900 static unsigned decide_modulo_shift(unsigned type_size)
902 if (architecture_modulo_shift == 0)
904 return MAX(type_size, architecture_modulo_shift);
907 static bool is_ia32_cpu(const char *architecture)
909 return streq(architecture, "i386")
910 || streq(architecture, "i486")
911 || streq(architecture, "i586")
912 || streq(architecture, "i686")
913 || streq(architecture, "i786");
916 static const char *setup_isa_from_tripel(const machine_triple_t *machine)
918 const char *cpu = machine->cpu_type;
920 if (is_ia32_cpu(cpu)) {
922 } else if (streq(cpu, "x86_64")) {
924 } else if (streq(cpu, "sparc")) {
926 } else if (streq(cpu, "arm")) {
929 errorf(NULL, "unknown cpu '%s' in target-triple", cpu);
934 static const char *setup_target_machine(void)
936 if (!setup_firm_for_machine(target_machine))
939 const char *isa = setup_isa_from_tripel(target_machine);
950 * initialize cparser type properties based on a firm type
952 static void set_typeprops_type(atomic_type_properties_t* props, ir_type *type)
954 props->size = get_type_size_bytes(type);
955 props->alignment = get_type_alignment_bytes(type);
956 props->struct_alignment = props->alignment;
960 * Copy atomic type properties except the integer conversion rank
962 static void copy_typeprops(atomic_type_properties_t *dest,
963 const atomic_type_properties_t *src)
965 dest->size = src->size;
966 dest->alignment = src->alignment;
967 dest->struct_alignment = src->struct_alignment;
968 dest->flags = src->flags;
971 static void init_types_and_adjust(void)
973 const backend_params *be_params = be_get_backend_param();
974 unsigned machine_size = be_params->machine_size;
975 init_types(machine_size);
977 atomic_type_properties_t *props = atomic_type_properties;
979 /* adjust types as requested by target architecture */
980 ir_type *const type_ld = be_params->type_long_double;
982 set_typeprops_type(&props[ATOMIC_TYPE_LONG_DOUBLE], type_ld);
983 atomic_modes[ATOMIC_TYPE_LONG_DOUBLE] = get_type_mode(type_ld);
986 ir_type *const type_ll = be_params->type_long_long;
988 set_typeprops_type(&props[ATOMIC_TYPE_LONGLONG], type_ll);
990 ir_type *const type_ull = be_params->type_unsigned_long_long;
992 set_typeprops_type(&props[ATOMIC_TYPE_ULONGLONG], type_ull);
994 /* operating system ABI specifics */
995 if (firm_is_darwin_os(target_machine)) {
996 if (is_ia32_cpu(target_machine->cpu_type)) {
997 props[ATOMIC_TYPE_LONGLONG].struct_alignment = 4;
998 props[ATOMIC_TYPE_ULONGLONG].struct_alignment = 4;
999 props[ATOMIC_TYPE_DOUBLE].struct_alignment = 4;
1000 props[ATOMIC_TYPE_LONG_DOUBLE].size = 16;
1001 props[ATOMIC_TYPE_LONG_DOUBLE].alignment = 16;
1002 props[ATOMIC_TYPE_LONG_DOUBLE].struct_alignment = 16;
1004 } else if (firm_is_windows_os(target_machine)) {
1005 if (is_ia32_cpu(target_machine->cpu_type)) {
1006 props[ATOMIC_TYPE_LONGLONG].struct_alignment = 8;
1007 props[ATOMIC_TYPE_ULONGLONG].struct_alignment = 8;
1008 props[ATOMIC_TYPE_DOUBLE].struct_alignment = 8;
1009 } else if (machine_size == 64) {
1010 /* to ease porting of old c-code microsoft decided to use 32bits
1012 props[ATOMIC_TYPE_LONG] = props[ATOMIC_TYPE_INT];
1013 props[ATOMIC_TYPE_ULONG] = props[ATOMIC_TYPE_UINT];
1016 /* on windows long double is not supported */
1017 props[ATOMIC_TYPE_LONG_DOUBLE] = props[ATOMIC_TYPE_DOUBLE];
1018 } else if (firm_is_unixish_os(target_machine)) {
1019 if (is_ia32_cpu(target_machine->cpu_type)) {
1020 props[ATOMIC_TYPE_DOUBLE].struct_alignment = 4;
1021 props[ATOMIC_TYPE_LONGLONG].struct_alignment = 4;
1022 props[ATOMIC_TYPE_ULONGLONG].struct_alignment = 4;
1026 /* stuff decided after processing operating system specifics and
1027 * commandline flags */
1028 if (char_is_signed) {
1029 props[ATOMIC_TYPE_CHAR].flags |= ATOMIC_TYPE_FLAG_SIGNED;
1031 props[ATOMIC_TYPE_CHAR].flags &= ~ATOMIC_TYPE_FLAG_SIGNED;
1033 /* copy over wchar_t properties (including rank) */
1034 props[ATOMIC_TYPE_WCHAR_T] = props[wchar_atomic_kind];
1036 /* initialize defaults for unsupported types */
1038 copy_typeprops(&props[ATOMIC_TYPE_LONGLONG], &props[ATOMIC_TYPE_LONG]);
1041 copy_typeprops(&props[ATOMIC_TYPE_ULONGLONG],
1042 &props[ATOMIC_TYPE_ULONG]);
1045 copy_typeprops(&props[ATOMIC_TYPE_LONG_DOUBLE],
1046 &props[ATOMIC_TYPE_DOUBLE]);
1049 /* initialize firm pointer modes */
1051 unsigned bit_size = machine_size;
1052 unsigned modulo_shift = decide_modulo_shift(bit_size);
1054 snprintf(name, sizeof(name), "p%u", machine_size);
1055 ir_mode *ptr_mode = new_reference_mode(name, irma_twos_complement, bit_size, modulo_shift);
1057 if (machine_size == 16) {
1058 set_reference_mode_signed_eq(ptr_mode, mode_Hs);
1059 set_reference_mode_unsigned_eq(ptr_mode, mode_Hu);
1060 } else if (machine_size == 32) {
1061 set_reference_mode_signed_eq(ptr_mode, mode_Is);
1062 set_reference_mode_unsigned_eq(ptr_mode, mode_Iu);
1063 } else if (machine_size == 64) {
1064 set_reference_mode_signed_eq(ptr_mode, mode_Ls);
1065 set_reference_mode_unsigned_eq(ptr_mode, mode_Lu);
1067 panic("strange machine_size when determining pointer modes");
1070 /* Hmm, pointers should be machine size */
1071 set_modeP_data(ptr_mode);
1072 set_modeP_code(ptr_mode);
1074 byte_order_big_endian = be_params->byte_order_big_endian;
1075 if (be_params->modulo_shift_efficient) {
1076 architecture_modulo_shift = machine_size;
1078 architecture_modulo_shift = 0;
1082 static void setup_cmode(const compilation_unit_t *unit)
1084 compilation_unit_type_t type = unit->type;
1085 lang_standard_t standard = unit->standard;
1086 if (type == COMPILATION_UNIT_PREPROCESSED_C || type == COMPILATION_UNIT_C) {
1088 case STANDARD_C89: c_mode = _C89; break;
1089 /* TODO determine difference between these two */
1090 case STANDARD_C89AMD1: c_mode = _C89; break;
1091 case STANDARD_C99: c_mode = _C89 | _C99; break;
1092 case STANDARD_C11: c_mode = _C89 | _C99 | _C11; break;
1093 case STANDARD_GNU89: c_mode = _C89 | _GNUC; break;
1094 case STANDARD_GNU11: c_mode = _C89 | _C99 | _C11 | _GNUC; break;
1097 case STANDARD_CXX98:
1098 case STANDARD_GNUXX98:
1099 case STANDARD_DEFAULT:
1100 fprintf(stderr, "warning: command line option \"-std=%s\" is not valid for C\n", str_lang_standard(standard));
1102 case STANDARD_GNU99: c_mode = _C89 | _C99 | _GNUC; break;
1104 } else if (type == COMPILATION_UNIT_PREPROCESSED_CXX
1105 || type == COMPILATION_UNIT_CXX) {
1107 case STANDARD_CXX98: c_mode = _CXX; break;
1111 case STANDARD_C89AMD1:
1114 case STANDARD_GNU89:
1115 case STANDARD_GNU99:
1116 case STANDARD_GNU11:
1117 case STANDARD_DEFAULT:
1118 fprintf(stderr, "warning: command line option \"-std=%s\" is not valid for C++\n", str_lang_standard(standard));
1120 case STANDARD_GNUXX98: c_mode = _CXX | _GNUC; break;
1124 c_mode |= features_on;
1125 c_mode &= ~features_off;
1128 static void determine_unit_standard(compilation_unit_t *unit,
1129 lang_standard_t standard)
1131 unit->standard = standard;
1134 switch (unit->type) {
1135 case COMPILATION_UNIT_C:
1136 case COMPILATION_UNIT_PREPROCESSED_C:
1137 unit->standard = STANDARD_C89;
1139 case COMPILATION_UNIT_CXX:
1140 case COMPILATION_UNIT_PREPROCESSED_CXX:
1141 unit->standard = STANDARD_CXX98;
1148 case STANDARD_DEFAULT:
1149 switch (unit->type) {
1150 case COMPILATION_UNIT_C:
1151 case COMPILATION_UNIT_PREPROCESSED_C:
1152 unit->standard = STANDARD_GNU99;
1154 case COMPILATION_UNIT_CXX:
1155 case COMPILATION_UNIT_PREPROCESSED_CXX:
1156 unit->standard = STANDARD_GNUXX98;
1168 static bool output_preprocessor_tokens(compilation_unit_t *unit, FILE *out)
1170 /* just here for gcc compatibility */
1171 fprintf(out, "# 1 \"%s\"\n", unit->name);
1172 fprintf(out, "# 1 \"<built-in>\"\n");
1173 fprintf(out, "# 1 \"<command-line>\"\n");
1175 set_preprocessor_output(out);
1176 switch_pp_input(unit->input, unit->name, NULL, false);
1179 next_preprocessing_token();
1180 if (pp_token.kind == T_EOF)
1186 check_unclosed_conditionals();
1188 print_error_summary();
1189 set_preprocessor_output(NULL);
1191 if (unit->type == COMPILATION_UNIT_C) {
1192 unit->type = COMPILATION_UNIT_PREPROCESSED_C;
1193 } else if (unit->type == COMPILATION_UNIT_CXX) {
1194 unit->type = COMPILATION_UNIT_PREPROCESSED_CXX;
1196 bool res = close_input(unit);
1197 return res && error_count == 0;
1200 static void copy_file(FILE *dest, FILE *input)
1205 size_t read = fread(buf, 1, sizeof(buf), input);
1208 if (fwrite(buf, 1, read, dest) != read) {
1209 perror("could not write output");
1214 static bool open_input(compilation_unit_t *unit)
1216 /* input already available as FILE? */
1217 if (unit->input != NULL)
1220 const char *const inputname = unit->name;
1221 unit->input_is_pipe = false;
1222 if (streq(inputname, "-")) {
1223 unit->input = stdin;
1225 unit->input = fopen(inputname, "r");
1226 if (unit->input == NULL) {
1227 position_t const pos = { inputname, 0, 0, 0 };
1228 errorf(&pos, "could not open: %s", strerror(errno));
1235 static void node_counter(ir_node *node, void *env)
1238 unsigned long long *count = (unsigned long long*)env;
1242 static unsigned long long count_firm_nodes(void)
1244 unsigned long long count = 0;
1246 int n_irgs = get_irp_n_irgs();
1247 for (int i = 0; i < n_irgs; ++i) {
1248 ir_graph *irg = get_irp_irg(i);
1249 irg_walk_graph(irg, node_counter, NULL, &count);
1254 static int compilation_loop(compile_mode_t mode, compilation_unit_t *units,
1255 lang_standard_t standard, FILE *out)
1257 int result = EXIT_SUCCESS;
1258 bool already_constructed_firm = false;
1259 for (compilation_unit_t *unit = units; unit != NULL; unit = unit->next) {
1260 const char *const inputname = unit->name;
1262 determine_unit_standard(unit, standard);
1265 stat_ev_ctx_push_str("compilation_unit", inputname);
1268 switch (unit->type) {
1269 case COMPILATION_UNIT_IR: {
1270 if (!open_input(unit)) {
1271 result = EXIT_FAILURE;
1274 if (ir_import_file(unit->input, unit->name)) {
1275 position_t const pos = { inputname, 0, 0, 0 };
1276 errorf(&pos, "import of firm graph failed");
1277 result = EXIT_FAILURE;
1280 unit->type = COMPILATION_UNIT_INTERMEDIATE_REPRESENTATION;
1283 case COMPILATION_UNIT_ASSEMBLER: {
1284 if (external_preprocessor == NULL) {
1285 panic("preprocessed assembler not possible with internal preprocessor yet");
1287 if (!run_external_preprocessor(unit)) {
1288 result = EXIT_FAILURE;
1291 /* write file to output... */
1293 if (mode == PreprocessOnly) {
1296 asm_out = make_temp_file("ccs", &unit->name);
1298 assert(unit->input != NULL);
1299 assert(unit->input_is_pipe);
1300 copy_file(asm_out, unit->input);
1303 unit->type = COMPILATION_UNIT_PREPROCESSED_ASSEMBLER;
1306 case COMPILATION_UNIT_C:
1307 case COMPILATION_UNIT_CXX:
1308 if (external_preprocessor != NULL) {
1309 if (!run_external_preprocessor(unit)) {
1310 result = EXIT_FAILURE;
1317 case COMPILATION_UNIT_PREPROCESSED_C:
1318 case COMPILATION_UNIT_PREPROCESSED_CXX: {
1319 if (!open_input(unit)) {
1320 result = EXIT_FAILURE;
1325 if (mode == PreprocessOnly) {
1326 if (!output_preprocessor_tokens(unit, out)) {
1327 result = EXIT_FAILURE;
1333 /* do the actual parsing */
1337 case COMPILATION_UNIT_AST:
1338 /* prints the AST even if errors occurred */
1339 if (mode == PrintAst) {
1341 print_ast(unit->ast);
1343 if (unit->parse_errors) {
1344 result = EXIT_FAILURE;
1348 if (mode == BenchmarkParser) {
1350 } else if (mode == PrintFluffy) {
1351 write_fluffy_decls(out, unit->ast);
1353 } else if (mode == PrintJna) {
1354 write_jna_decls(out, unit->ast);
1356 } else if (mode == PrintCompoundSizes) {
1357 write_compoundsizes(out, unit->ast);
1361 /* build the firm graph */
1362 ir_timer_t *t_construct = ir_timer_new();
1363 timer_register(t_construct, "Frontend: Graph construction");
1364 timer_start(t_construct);
1365 if (already_constructed_firm) {
1366 panic("compiling multiple files/translation units not possible");
1368 init_implicit_optimizations();
1369 translation_unit_to_firm(unit->ast);
1370 already_constructed_firm = true;
1371 timer_stop(t_construct);
1372 if (stat_ev_enabled) {
1373 stat_ev_dbl("time_graph_construction", ir_timer_elapsed_sec(t_construct));
1374 stat_ev_int("size_graph_construction", count_firm_nodes());
1376 unit->type = COMPILATION_UNIT_INTERMEDIATE_REPRESENTATION;
1379 case COMPILATION_UNIT_INTERMEDIATE_REPRESENTATION:
1380 if (mode == ParseOnly)
1383 if (mode == CompileDump) {
1385 ident *id = new_id_from_str(dumpfunction);
1386 ir_graph *irg = NULL;
1387 int n_irgs = get_irp_n_irgs();
1388 for (int i = 0; i < n_irgs; ++i) {
1389 ir_graph *tirg = get_irp_irg(i);
1390 ident *irg_id = get_entity_ident(get_irg_entity(tirg));
1398 errorf(NULL, "no graph for function '%s' found", dumpfunction);
1399 return EXIT_FAILURE;
1402 dump_ir_graph_file(out, irg);
1404 return EXIT_SUCCESS;
1407 if (mode == CompileExportIR) {
1408 ir_export_file(out);
1409 if (ferror(out) != 0) {
1410 errorf(NULL, "writing to output failed");
1411 return EXIT_FAILURE;
1413 return EXIT_SUCCESS;
1417 if (mode == Compile) {
1420 asm_out = make_temp_file("ccs", &unit->name);
1422 ir_timer_t *t_opt_codegen = ir_timer_new();
1423 timer_register(t_opt_codegen, "Optimization and Codegeneration");
1424 timer_start(t_opt_codegen);
1425 generate_code(asm_out, inputname);
1426 timer_stop(t_opt_codegen);
1427 if (stat_ev_enabled) {
1428 stat_ev_dbl("time_opt_codegen", ir_timer_elapsed_sec(t_opt_codegen));
1430 if (asm_out != out) {
1433 unit->type = COMPILATION_UNIT_PREPROCESSED_ASSEMBLER;
1435 case COMPILATION_UNIT_PREPROCESSED_ASSEMBLER:
1436 if (mode != CompileAssemble && mode != CompileAssembleLink)
1440 const char *input = unit->name;
1441 if (mode == CompileAssemble) {
1443 unit->name = outname;
1445 FILE *tempf = make_temp_file("cco", &unit->name);
1450 assemble(unit->name, input);
1452 unit->type = COMPILATION_UNIT_OBJECT;
1454 case COMPILATION_UNIT_UNKNOWN:
1455 case COMPILATION_UNIT_AUTODETECT:
1456 case COMPILATION_UNIT_OBJECT:
1460 stat_ev_ctx_pop("compilation_unit");
1465 static int link_program(compilation_unit_t *units)
1467 obstack_1grow(&ldflags_obst, '\0');
1468 const char *flags = obstack_finish(&ldflags_obst);
1470 /* construct commandline */
1471 const char *linker = getenv("CPARSER_LINK");
1472 if (linker != NULL) {
1473 obstack_printf(&file_obst, "%s ", linker);
1475 if (target_triple != NULL)
1476 obstack_printf(&file_obst, "%s-", target_triple);
1477 obstack_printf(&file_obst, "%s ", LINKER);
1480 for (compilation_unit_t *unit = units; unit != NULL; unit = unit->next) {
1481 if (unit->type != COMPILATION_UNIT_OBJECT)
1484 add_flag(&file_obst, "%s", unit->name);
1487 add_flag(&file_obst, "-o");
1488 add_flag(&file_obst, outname);
1489 obstack_printf(&file_obst, "%s", flags);
1490 obstack_1grow(&file_obst, '\0');
1492 char *commandline = obstack_finish(&file_obst);
1497 int err = system(commandline);
1498 if (err != EXIT_SUCCESS) {
1499 errorf(NULL, "linker reported an error");
1500 return EXIT_FAILURE;
1502 return EXIT_SUCCESS;
1505 int main(int argc, char **argv)
1507 const char *print_file_name_file = NULL;
1508 compile_mode_t mode = CompileAssembleLink;
1510 char cpu_arch[16] = "ia32";
1511 compilation_unit_t *units = NULL;
1512 compilation_unit_t *last_unit = NULL;
1513 bool produce_statev = false;
1514 const char *filtev = NULL;
1515 bool profile_generate = false;
1516 bool profile_use = false;
1517 bool do_timing = false;
1518 bool print_timing = false;
1520 /* hack for now... */
1521 if (strstr(argv[0], "pptest") != NULL) {
1522 extern int pptest_main(int argc, char **argv);
1523 return pptest_main(argc, argv);
1526 temp_files = NEW_ARR_F(char*, 0);
1527 atexit(free_temp_files);
1529 obstack_init(&cppflags_obst);
1530 obstack_init(&ldflags_obst);
1531 obstack_init(&asflags_obst);
1532 obstack_init(&file_obst);
1533 init_include_paths();
1535 #define GET_ARG_AFTER(def, args) \
1537 def = &arg[sizeof(args)-1]; \
1538 if (def[0] == '\0') { \
1541 errorf(NULL, "expected argument after '" args "'"); \
1542 argument_errors = true; \
1546 if (def[0] == '-' && def[1] != '\0') { \
1547 errorf(NULL, "expected argument after '" args "'"); \
1548 argument_errors = true; \
1554 #define SINGLE_OPTION(ch) (option[0] == (ch) && option[1] == '\0')
1556 /* initialize this early because it has to parse options */
1559 /* early options parsing (find out optimization level and OS) */
1560 for (int i = 1; i < argc; ++i) {
1561 const char *arg = argv[i];
1565 const char *option = &arg[1];
1566 if (option[0] == 'O') {
1567 sscanf(&option[1], "%d", &opt_level);
1571 if (target_machine == NULL) {
1572 target_machine = firm_get_host_machine();
1574 choose_optimization_pack(opt_level);
1575 setup_target_machine();
1577 /* parse rest of options */
1578 lang_standard_t standard = STANDARD_DEFAULT;
1579 compilation_unit_type_t forced_unittype = COMPILATION_UNIT_AUTODETECT;
1580 help_sections_t help = HELP_NONE;
1581 bool argument_errors = false;
1582 for (int i = 1; i < argc; ++i) {
1583 const char *arg = argv[i];
1584 if (arg[0] == '-' && arg[1] != '\0') {
1586 const char *option = &arg[1];
1587 if (option[0] == 'o') {
1588 GET_ARG_AFTER(outname, "-o");
1589 } else if (option[0] == 'g') {
1590 /* TODO: parse -gX with 0<=X<=3... */
1591 set_be_option("debug=frameinfo");
1592 set_be_option("ia32-optcc=false");
1593 } else if (SINGLE_OPTION('c')) {
1594 mode = CompileAssemble;
1595 } else if (SINGLE_OPTION('E')) {
1596 mode = PreprocessOnly;
1597 } else if (SINGLE_OPTION('s')) {
1598 add_flag(&ldflags_obst, "-s");
1599 } else if (SINGLE_OPTION('S')) {
1601 } else if (option[0] == 'O') {
1603 } else if (option[0] == 'I') {
1605 GET_ARG_AFTER(opt, "-I");
1606 add_flag(&cppflags_obst, "-I%s", opt);
1607 append_include_path(&bracket_searchpath, opt);
1608 } else if (option[0] == 'D') {
1610 GET_ARG_AFTER(opt, "-D");
1611 add_flag(&cppflags_obst, "-D%s", opt);
1612 } else if (option[0] == 'U') {
1614 GET_ARG_AFTER(opt, "-U");
1615 add_flag(&cppflags_obst, "-U%s", opt);
1616 } else if (option[0] == 'l') {
1618 GET_ARG_AFTER(opt, "-l");
1619 add_flag(&ldflags_obst, "-l%s", opt);
1620 } else if (option[0] == 'L') {
1622 GET_ARG_AFTER(opt, "-L");
1623 add_flag(&ldflags_obst, "-L%s", opt);
1624 } else if (SINGLE_OPTION('v')) {
1626 } else if (SINGLE_OPTION('w')) {
1627 add_flag(&cppflags_obst, "-w");
1628 disable_all_warnings();
1629 } else if (option[0] == 'x') {
1631 GET_ARG_AFTER(opt, "-x");
1632 forced_unittype = get_unit_type_from_string(opt);
1633 if (forced_unittype == COMPILATION_UNIT_UNKNOWN) {
1634 errorf(NULL, "unknown language '%s'", opt);
1635 argument_errors = true;
1637 } else if (SINGLE_OPTION('M')) {
1638 mode = PreprocessOnly;
1639 add_flag(&cppflags_obst, "-M");
1640 } else if (streq(option, "MMD") ||
1641 streq(option, "MD")) {
1642 construct_dep_target = true;
1643 add_flag(&cppflags_obst, "-%s", option);
1644 } else if (streq(option, "MM") ||
1645 streq(option, "MP")) {
1646 add_flag(&cppflags_obst, "-%s", option);
1647 } else if (streq(option, "MT") ||
1648 streq(option, "MQ") ||
1649 streq(option, "MF")) {
1651 GET_ARG_AFTER(opt, "-MT");
1652 add_flag(&cppflags_obst, "-%s", option);
1653 add_flag(&cppflags_obst, "%s", opt);
1654 } else if (streq(option, "include")) {
1656 GET_ARG_AFTER(opt, "-include");
1657 add_flag(&cppflags_obst, "-include");
1658 add_flag(&cppflags_obst, "%s", opt);
1659 } else if (streq(option, "idirafter")) {
1661 GET_ARG_AFTER(opt, "-idirafter");
1662 add_flag(&cppflags_obst, "-idirafter");
1663 add_flag(&cppflags_obst, "%s", opt);
1664 append_include_path(&after_searchpath, opt);
1665 } else if (streq(option, "isystem")) {
1667 GET_ARG_AFTER(opt, "-isystem");
1668 add_flag(&cppflags_obst, "-isystem");
1669 add_flag(&cppflags_obst, "%s", opt);
1670 append_include_path(&system_searchpath, opt);
1671 } else if (streq(option, "iquote")) {
1673 GET_ARG_AFTER(opt, "-iquote");
1674 add_flag(&cppflags_obst, "-iquote");
1675 add_flag(&cppflags_obst, "%s", opt);
1676 append_include_path("e_searchpath, opt);
1677 } else if (streq(option, "pthread")) {
1678 /* set flags for the preprocessor */
1679 add_flag(&cppflags_obst, "-D_REENTRANT");
1680 /* set flags for the linker */
1681 add_flag(&ldflags_obst, "-lpthread");
1682 } else if (streq(option, "nostdinc")
1683 || streq(option, "trigraphs")) {
1684 /* pass these through to the preprocessor */
1685 add_flag(&cppflags_obst, "%s", arg);
1686 } else if (streq(option, "pipe")) {
1687 /* here for gcc compatibility */
1688 } else if (streq(option, "static")) {
1689 add_flag(&ldflags_obst, "-static");
1690 } else if (streq(option, "shared")) {
1691 add_flag(&ldflags_obst, "-shared");
1692 } else if (option[0] == 'f') {
1693 char const *orig_opt;
1694 GET_ARG_AFTER(orig_opt, "-f");
1696 if (strstart(orig_opt, "input-charset=")) {
1697 char const* const encoding = strchr(orig_opt, '=') + 1;
1698 input_encoding = encoding;
1699 } else if (strstart(orig_opt, "align-loops=") ||
1700 strstart(orig_opt, "align-jumps=") ||
1701 strstart(orig_opt, "align-functions=")) {
1702 fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
1703 } else if (strstart(orig_opt, "visibility=")) {
1704 const char *val = strchr(orig_opt, '=')+1;
1705 elf_visibility_tag_t visibility
1706 = get_elf_visibility_from_string(val);
1707 if (visibility == ELF_VISIBILITY_ERROR) {
1708 errorf(NULL, "invalid visibility '%s' specified", val);
1709 argument_errors = true;
1711 set_default_visibility(visibility);
1713 } else if (strstart(orig_opt, "message-length=")) {
1714 /* ignore: would only affect error message format */
1715 } else if (streq(orig_opt, "fast-math") ||
1716 streq(orig_opt, "fp-fast")) {
1717 firm_fp_model = fp_model_fast;
1718 } else if (streq(orig_opt, "fp-precise")) {
1719 firm_fp_model = fp_model_precise;
1720 } else if (streq(orig_opt, "fp-strict")) {
1721 firm_fp_model = fp_model_strict;
1722 } else if (streq(orig_opt, "help")) {
1723 fprintf(stderr, "warning: -fhelp is deprecated\n");
1724 help |= HELP_OPTIMIZATION;
1726 /* -f options which have an -fno- variant */
1727 char const *opt = orig_opt;
1728 bool truth_value = true;
1729 if (opt[0] == 'n' && opt[1] == 'o' && opt[2] == '-') {
1730 truth_value = false;
1734 if (streq(opt, "diagnostics-show-option")) {
1735 diagnostics_show_option = truth_value;
1736 } else if (streq(opt, "dollars-in-identifiers")) {
1737 allow_dollar_in_symbol = truth_value;
1738 } else if (streq(opt, "omit-frame-pointer")) {
1739 set_be_option(truth_value ? "omitfp" : "omitfp=no");
1740 } else if (streq(opt, "short-wchar")) {
1741 wchar_atomic_kind = truth_value ? ATOMIC_TYPE_USHORT
1743 } else if (streq(opt, "show-column")) {
1744 show_column = truth_value;
1745 } else if (streq(opt, "signed-char")) {
1746 char_is_signed = truth_value;
1747 } else if (streq(opt, "strength-reduce")) {
1748 /* does nothing, for gcc compatibility (even gcc does
1749 * nothing for this switch anymore) */
1750 } else if (streq(opt, "syntax-only")) {
1751 mode = truth_value ? ParseOnly : CompileAssembleLink;
1752 } else if (streq(opt, "unsigned-char")) {
1753 char_is_signed = !truth_value;
1754 } else if (streq(opt, "freestanding")) {
1755 freestanding = truth_value;
1756 } else if (streq(opt, "hosted")) {
1757 freestanding = !truth_value;
1758 } else if (streq(opt, "profile-generate")) {
1759 profile_generate = truth_value;
1760 } else if (streq(opt, "profile-use")) {
1761 profile_use = truth_value;
1762 } else if (!truth_value &&
1763 streq(opt, "asynchronous-unwind-tables")) {
1764 /* nothing todo, a gcc feature which we do not support
1765 * anyway was deactivated */
1766 } else if (streq(opt, "verbose-asm")) {
1767 /* ignore: we always print verbose assembler */
1768 } else if (streq(opt, "jump-tables") ||
1769 streq(opt, "expensive-optimizations") ||
1770 streq(opt, "common") ||
1771 streq(opt, "optimize-sibling-calls") ||
1772 streq(opt, "align-loops") ||
1773 streq(opt, "align-jumps") ||
1774 streq(opt, "align-functions") ||
1775 streq(opt, "PIC") ||
1776 streq(opt, "stack-protector") ||
1777 streq(opt, "stack-protector-all")) {
1778 fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
1780 if (firm_option(orig_opt) == 0) {
1781 errorf(NULL, "unknown Firm option '-f%s'", orig_opt);
1782 argument_errors = true;
1787 } else if (option[0] == 'b') {
1789 GET_ARG_AFTER(opt, "-b");
1791 if (streq(opt, "help")) {
1792 fprintf(stderr, "warning: -bhelp is deprecated (use --help-firm)\n");
1795 if (be_parse_arg(opt) == 0) {
1796 errorf(NULL, "unknown Firm backend option '-b %s'", opt);
1797 argument_errors = true;
1798 } else if (strstart(opt, "isa=")) {
1799 strncpy(cpu_arch, opt, sizeof(cpu_arch));
1802 } else if (option[0] == 'W') {
1803 if (strstart(option + 1, "a,")) {
1805 GET_ARG_AFTER(opt, "-Wa,");
1806 add_flag(&asflags_obst, "-Wa,%s", opt);
1807 } else if (strstart(option + 1, "p,")) {
1808 // pass options directly to the preprocessor
1810 GET_ARG_AFTER(opt, "-Wp,");
1811 add_flag(&cppflags_obst, "-Wp,%s", opt);
1812 } else if (strstart(option + 1, "l,")) {
1813 // pass options directly to the linker
1815 GET_ARG_AFTER(opt, "-Wl,");
1816 add_flag(&ldflags_obst, "-Wl,%s", opt);
1817 } else if (streq(option + 1, "no-trigraphs")
1818 || streq(option + 1, "undef")
1819 || streq(option + 1, "missing-include-dirs")
1820 || streq(option + 1, "endif-labels")) {
1821 add_flag(&cppflags_obst, "%s", arg);
1822 } else if (streq(option+1, "init-self")) {
1823 /* ignored (same as gcc does) */
1824 } else if (streq(option+1, "format-y2k")
1825 || streq(option+1, "format-security")
1826 || streq(option+1, "old-style-declaration")
1827 || streq(option+1, "type-limits")) {
1828 /* ignore (gcc compatibility) */
1830 set_warning_opt(&option[1]);
1832 } else if (option[0] == 'm') {
1837 GET_ARG_AFTER(opt, "-m");
1838 if (strstart(opt, "target=")) {
1839 GET_ARG_AFTER(opt, "-mtarget=");
1840 if (!parse_target_triple(opt)) {
1841 argument_errors = true;
1843 const char *isa = setup_target_machine();
1844 strncpy(cpu_arch, isa, sizeof(cpu_arch));
1845 target_triple = opt;
1847 } else if (strstart(opt, "triple=")) {
1848 GET_ARG_AFTER(opt, "-mtriple=");
1849 if (!parse_target_triple(opt)) {
1850 argument_errors = true;
1852 const char *isa = setup_target_machine();
1853 strncpy(cpu_arch, isa, sizeof(cpu_arch));
1854 target_triple = opt;
1856 } else if (strstart(opt, "arch=")) {
1857 GET_ARG_AFTER(opt, "-march=");
1858 snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
1859 int res = be_parse_arg(arch_opt);
1860 snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
1861 res &= be_parse_arg(arch_opt);
1864 errorf(NULL, "unknown architecture '%s'", arch_opt);
1865 argument_errors = true;
1867 } else if (strstart(opt, "tune=")) {
1868 GET_ARG_AFTER(opt, "-mtune=");
1869 snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
1870 if (be_parse_arg(arch_opt) == 0)
1871 argument_errors = true;
1872 } else if (strstart(opt, "cpu=")) {
1873 GET_ARG_AFTER(opt, "-mcpu=");
1874 snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
1875 if (be_parse_arg(arch_opt) == 0)
1876 argument_errors = true;
1877 } else if (strstart(opt, "fpmath=")) {
1878 GET_ARG_AFTER(opt, "-mfpmath=");
1879 if (streq(opt, "387"))
1881 else if (streq(opt, "sse"))
1884 errorf(NULL, "option -mfpmath supports only 387 or sse");
1885 argument_errors = true;
1887 if (!argument_errors) {
1888 snprintf(arch_opt, sizeof(arch_opt), "%s-fpunit=%s", cpu_arch, opt);
1889 if (be_parse_arg(arch_opt) == 0)
1890 argument_errors = true;
1892 } else if (strstart(opt, "preferred-stack-boundary=")) {
1893 GET_ARG_AFTER(opt, "-mpreferred-stack-boundary=");
1894 snprintf(arch_opt, sizeof(arch_opt), "%s-stackalign=%s", cpu_arch, opt);
1895 if (be_parse_arg(arch_opt) == 0)
1896 argument_errors = true;
1897 } else if (streq(opt, "rtd")) {
1898 default_calling_convention = CC_STDCALL;
1899 } else if (strstart(opt, "regparm=")) {
1900 errorf(NULL, "regparm convention not supported yet");
1901 argument_errors = true;
1902 } else if (streq(opt, "soft-float")) {
1903 add_flag(&ldflags_obst, "-msoft-float");
1904 snprintf(arch_opt, sizeof(arch_opt), "%s-fpunit=softfloat", cpu_arch);
1905 if (be_parse_arg(arch_opt) == 0)
1906 argument_errors = true;
1907 } else if (streq(opt, "sse2")) {
1908 /* ignore for now, our x86 backend always uses sse when
1909 * sse is requested */
1911 long int value = strtol(opt, NULL, 10);
1913 errorf(NULL, "wrong option '-m %s'", opt);
1914 argument_errors = true;
1915 } else if (value != 16 && value != 32 && value != 64) {
1916 errorf(NULL, "option -m supports only 16, 32 or 64");
1917 argument_errors = true;
1919 unsigned machine_size = (unsigned)value;
1920 /* TODO: choose/change backend based on this */
1921 add_flag(&cppflags_obst, "-m%u", machine_size);
1922 add_flag(&asflags_obst, "-m%u", machine_size);
1923 add_flag(&ldflags_obst, "-m%u", machine_size);
1926 } else if (option[0] == 'X') {
1927 if (streq(option + 1, "assembler")) {
1929 GET_ARG_AFTER(opt, "-Xassembler");
1930 add_flag(&asflags_obst, "-Xassembler");
1931 add_flag(&asflags_obst, opt);
1932 } else if (streq(option + 1, "preprocessor")) {
1934 GET_ARG_AFTER(opt, "-Xpreprocessor");
1935 add_flag(&cppflags_obst, "-Xpreprocessor");
1936 add_flag(&cppflags_obst, opt);
1937 } else if (streq(option + 1, "linker")) {
1939 GET_ARG_AFTER(opt, "-Xlinker");
1940 add_flag(&ldflags_obst, "-Xlinker");
1941 add_flag(&ldflags_obst, opt);
1943 } else if (streq(option, "pg")) {
1944 set_be_option("gprof");
1945 add_flag(&ldflags_obst, "-pg");
1946 } else if (streq(option, "ansi")) {
1947 standard = STANDARD_ANSI;
1948 } else if (streq(option, "pedantic")) {
1949 fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
1950 } else if (strstart(option, "std=")) {
1951 const char *const o = &option[4];
1953 streq(o, "c++") ? STANDARD_CXX98 :
1954 streq(o, "c++98") ? STANDARD_CXX98 :
1955 streq(o, "c11") ? STANDARD_C11 :
1956 streq(o, "c1x") ? STANDARD_C11 : // deprecated
1957 streq(o, "c89") ? STANDARD_C89 :
1958 streq(o, "c90") ? STANDARD_C89 :
1959 streq(o, "c99") ? STANDARD_C99 :
1960 streq(o, "c9x") ? STANDARD_C99 : // deprecated
1961 streq(o, "gnu++98") ? STANDARD_GNUXX98 :
1962 streq(o, "gnu11") ? STANDARD_GNU11 :
1963 streq(o, "gnu1x") ? STANDARD_GNU11 : // deprecated
1964 streq(o, "gnu89") ? STANDARD_GNU89 :
1965 streq(o, "gnu99") ? STANDARD_GNU99 :
1966 streq(o, "gnu9x") ? STANDARD_GNU99 : // deprecated
1967 streq(o, "iso9899:1990") ? STANDARD_C89 :
1968 streq(o, "iso9899:199409") ? STANDARD_C89AMD1 :
1969 streq(o, "iso9899:1999") ? STANDARD_C99 :
1970 streq(o, "iso9899:199x") ? STANDARD_C99 : // deprecated
1971 streq(o, "iso9899:2011") ? STANDARD_C11 :
1972 (fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg), standard);
1973 } else if (streq(option, "version")) {
1974 print_cparser_version();
1975 return EXIT_SUCCESS;
1976 } else if (streq(option, "dumpversion")) {
1977 /* gcc compatibility option */
1978 print_cparser_version_short();
1979 return EXIT_SUCCESS;
1980 } else if (strstart(option, "print-file-name=")) {
1981 GET_ARG_AFTER(print_file_name_file, "-print-file-name=");
1982 } else if (option[0] == '-') {
1983 /* double dash option */
1985 if (streq(option, "gcc")) {
1986 features_on |= _GNUC;
1987 features_off &= ~_GNUC;
1988 } else if (streq(option, "no-gcc")) {
1989 features_on &= ~_GNUC;
1990 features_off |= _GNUC;
1991 } else if (streq(option, "ms")) {
1993 features_off &= ~_MS;
1994 } else if (streq(option, "no-ms")) {
1995 features_on &= ~_MS;
1996 features_off |= _MS;
1997 } else if (streq(option, "strict")) {
1999 } else if (streq(option, "benchmark")) {
2000 mode = BenchmarkParser;
2001 } else if (streq(option, "print-ast")) {
2003 } else if (streq(option, "print-implicit-cast")) {
2004 print_implicit_casts = true;
2005 } else if (streq(option, "print-parenthesis")) {
2006 print_parenthesis = true;
2007 } else if (streq(option, "print-fluffy")) {
2009 } else if (streq(option, "print-compound-sizes")) {
2010 mode = PrintCompoundSizes;
2011 } else if (streq(option, "print-jna")) {
2013 } else if (streq(option, "jna-limit")) {
2016 errorf(NULL, "expected argument after '--jna-limit'");
2017 argument_errors = true;
2020 jna_limit_output(argv[i]);
2021 } else if (streq(option, "jna-libname")) {
2024 errorf(NULL, "expected argument after '--jna-libname'");
2025 argument_errors = true;
2028 jna_set_libname(argv[i]);
2029 } else if (streq(option, "external-pp")) {
2030 if (i+1 < argc && argv[i+1][0] != '-') {
2032 external_preprocessor = argv[i+1];
2034 external_preprocessor = PREPROCESSOR;
2036 } else if (streq(option, "no-external-pp")) {
2037 external_preprocessor = NULL;
2038 } else if (streq(option, "time")) {
2040 print_timing = true;
2041 } else if (streq(option, "statev")) {
2043 produce_statev = true;
2044 } else if (strstart(option, "filtev=")) {
2045 GET_ARG_AFTER(filtev, "--filtev=");
2046 } else if (streq(option, "version")) {
2047 print_cparser_version();
2048 return EXIT_SUCCESS;
2049 } else if (streq(option, "help")) {
2051 } else if (streq(option, "help-parser")) {
2052 help |= HELP_PARSER;
2053 } else if (streq(option, "help-warnings")) {
2054 help |= HELP_WARNINGS;
2055 } else if (streq(option, "help-codegen")) {
2056 help |= HELP_CODEGEN;
2057 } else if (streq(option, "help-linker")) {
2058 help |= HELP_LINKER;
2059 } else if (streq(option, "help-optimization")) {
2060 help |= HELP_OPTIMIZATION;
2061 } else if (streq(option, "help-language-tools")) {
2062 help |= HELP_LANGUAGETOOLS;
2063 } else if (streq(option, "help-debug")) {
2065 } else if (streq(option, "help-firm")) {
2067 } else if (streq(option, "help-all")) {
2069 } else if (streq(option, "dump-function")) {
2072 errorf(NULL, "expected argument after '--dump-function'");
2073 argument_errors = true;
2076 dumpfunction = argv[i];
2078 } else if (streq(option, "export-ir")) {
2079 mode = CompileExportIR;
2080 } else if (streq(option, "unroll-loops")) {
2081 /* ignore (gcc compatibility) */
2083 errorf(NULL, "unknown argument '%s'", arg);
2084 argument_errors = true;
2087 errorf(NULL, "unknown argument '%s'", arg);
2088 argument_errors = true;
2091 compilation_unit_type_t type = forced_unittype;
2092 if (type == COMPILATION_UNIT_AUTODETECT) {
2093 if (streq(arg, "-")) {
2094 /* - implicitly means C source file */
2095 type = COMPILATION_UNIT_C;
2097 const char *suffix = strrchr(arg, '.');
2098 /* Ensure there is at least one char before the suffix */
2099 if (suffix != NULL && suffix != arg) {
2102 streq(suffix, "S") ? COMPILATION_UNIT_ASSEMBLER :
2103 streq(suffix, "a") ? COMPILATION_UNIT_OBJECT :
2104 streq(suffix, "c") ? COMPILATION_UNIT_C :
2105 streq(suffix, "i") ? COMPILATION_UNIT_PREPROCESSED_C :
2106 streq(suffix, "C") ? COMPILATION_UNIT_CXX :
2107 streq(suffix, "cc") ? COMPILATION_UNIT_CXX :
2108 streq(suffix, "cp") ? COMPILATION_UNIT_CXX :
2109 streq(suffix, "cpp") ? COMPILATION_UNIT_CXX :
2110 streq(suffix, "CPP") ? COMPILATION_UNIT_CXX :
2111 streq(suffix, "cxx") ? COMPILATION_UNIT_CXX :
2112 streq(suffix, "c++") ? COMPILATION_UNIT_CXX :
2113 streq(suffix, "ii") ? COMPILATION_UNIT_PREPROCESSED_CXX :
2114 streq(suffix, "h") ? COMPILATION_UNIT_C :
2115 streq(suffix, "ir") ? COMPILATION_UNIT_IR :
2116 streq(suffix, "o") ? COMPILATION_UNIT_OBJECT :
2117 streq(suffix, "s") ? COMPILATION_UNIT_PREPROCESSED_ASSEMBLER :
2118 streq(suffix, "so") ? COMPILATION_UNIT_OBJECT :
2119 COMPILATION_UNIT_OBJECT; /* gcc behavior: unknown file extension means object file */
2124 compilation_unit_t *entry = OALLOCZ(&file_obst, compilation_unit_t);
2128 if (last_unit != NULL) {
2129 last_unit->next = entry;
2137 if (help != HELP_NONE) {
2138 print_help(argv[0], help);
2139 return !argument_errors;
2142 if (print_file_name_file != NULL) {
2143 print_file_name(print_file_name_file);
2144 return EXIT_SUCCESS;
2146 if (units == NULL) {
2147 errorf(NULL, "no input files specified");
2148 argument_errors = true;
2151 if (argument_errors) {
2153 return EXIT_FAILURE;
2156 /* apply some effects from switches */
2157 c_mode |= features_on;
2158 c_mode &= ~features_off;
2159 if (profile_generate) {
2160 add_flag(&ldflags_obst, "-lfirmprof");
2161 set_be_option("profilegenerate");
2164 set_be_option("profileuse");
2167 init_symbol_table();
2168 init_types_and_adjust();
2171 if (c_mode & _CXX) {
2172 init_wchar_types(ATOMIC_TYPE_WCHAR_T);
2174 init_wchar_types(wchar_atomic_kind);
2176 init_preprocessor();
2185 char outnamebuf[4096];
2186 if (outname == NULL) {
2187 const char *filename = units->name;
2190 case BenchmarkParser:
2194 case PrintCompoundSizes:
2195 case PreprocessOnly:
2200 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".s");
2201 outname = outnamebuf;
2203 case CompileAssemble:
2204 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".o");
2205 outname = outnamebuf;
2208 get_output_name(outnamebuf, sizeof(outnamebuf), dumpfunction,
2210 outname = outnamebuf;
2212 case CompileExportIR:
2213 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".ir");
2214 outname = outnamebuf;
2216 case CompileAssembleLink:
2217 if (firm_is_windows_os(target_machine)) {
2226 assert(outname != NULL);
2229 if (streq(outname, "-")) {
2232 out = fopen(outname, "w");
2234 position_t const pos = { outname, 0, 0, 0 };
2235 errorf(&pos, "could not open for writing: %s", strerror(errno));
2236 return EXIT_FAILURE;
2240 if (produce_statev && units != NULL) {
2241 /* attempt to guess a good name for the file */
2242 const char *first_cup = units->name;
2243 if (first_cup != NULL) {
2244 const char *dot = strrchr(first_cup, '.');
2245 const char *pos = dot ? dot : first_cup + strlen(first_cup);
2246 char buf[pos-first_cup+1];
2247 strncpy(buf, first_cup, pos-first_cup);
2248 buf[pos-first_cup] = '\0';
2250 stat_ev_begin(buf, filtev);
2254 int result = compilation_loop(mode, units, standard, out);
2255 if (stat_ev_enabled) {
2259 if (result != EXIT_SUCCESS) {
2265 /* link program file */
2266 if (mode == CompileAssembleLink) {
2267 int const link_result = link_program(units);
2268 if (link_result != EXIT_SUCCESS) {
2276 timer_term(print_timing ? stderr : NULL);
2279 obstack_free(&cppflags_obst, NULL);
2280 obstack_free(&ldflags_obst, NULL);
2281 obstack_free(&asflags_obst, NULL);
2282 obstack_free(&file_obst, NULL);
2289 exit_preprocessor();
2293 exit_symbol_table();
2294 return EXIT_SUCCESS;