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>
49 #include "preprocessor.h"
52 #include "type_hash.h"
56 #include "diagnostic.h"
57 #include "lang_features.h"
58 #include "driver/firm_opt.h"
59 #include "driver/firm_timing.h"
60 #include "driver/firm_machine.h"
61 #include "adt/error.h"
62 #include "adt/strutil.h"
63 #include "adt/array.h"
64 #include "wrappergen/write_fluffy.h"
65 #include "wrappergen/write_jna.h"
66 #include "wrappergen/write_compoundsizes.h"
75 #define PREPROCESSOR "gcc -E -U__STRICT_ANSI__ -U__BLOCKS__"
77 #define PREPROCESSOR "cpp -U__STRICT_ANSI__"
86 #define ASSEMBLER "gcc -c -xassembler"
89 unsigned int c_mode = _C89 | _C99 | _GNUC;
90 bool byte_order_big_endian = false;
91 bool strict_mode = false;
92 bool enable_main_collect2_hack = false;
93 bool freestanding = false;
94 unsigned architecture_modulo_shift = 0;
96 static bool char_is_signed = true;
97 static atomic_type_kind_t wchar_atomic_kind = ATOMIC_TYPE_INT;
98 static unsigned features_on = 0;
99 static unsigned features_off = 0;
100 static const char *dumpfunction = NULL;
101 static struct obstack file_obst;
102 static const char *external_preprocessor = PREPROCESSOR;
104 static machine_triple_t *target_machine;
105 static const char *target_triple;
107 static struct obstack cppflags_obst;
108 static struct obstack ldflags_obst;
109 static struct obstack asflags_obst;
110 static const char *outname;
111 static bool define_intmax_types;
112 static const char *input_encoding;
113 static bool construct_dep_target;
115 typedef enum lang_standard_t {
116 STANDARD_DEFAULT, /* gnu99 (for C, GCC does gnu89) or gnu++98 (for C++) */
117 STANDARD_ANSI, /* ISO C90 (for C) or ISO C++ 1998 (for C++) */
118 STANDARD_C89, /* ISO C90 (sic) */
119 STANDARD_C89AMD1, /* ISO C90 as modified in amendment 1 */
120 STANDARD_C99, /* ISO C99 */
121 STANDARD_C11, /* ISO C11 */
122 STANDARD_GNU89, /* ISO C90 plus GNU extensions (including some C99) */
123 STANDARD_GNU99, /* ISO C99 plus GNU extensions */
124 STANDARD_GNU11, /* ISO C11 plus GNU extensions */
125 STANDARD_CXX98, /* ISO C++ 1998 plus amendments */
126 STANDARD_GNUXX98 /* ISO C++ 1998 plus amendments and GNU extensions */
129 typedef enum compilation_unit_type_t {
130 COMPILATION_UNIT_AUTODETECT,
132 COMPILATION_UNIT_PREPROCESSED_C,
133 COMPILATION_UNIT_CXX,
134 COMPILATION_UNIT_PREPROCESSED_CXX,
135 COMPILATION_UNIT_AST,
136 COMPILATION_UNIT_INTERMEDIATE_REPRESENTATION,
137 COMPILATION_UNIT_ASSEMBLER,
138 COMPILATION_UNIT_PREPROCESSED_ASSEMBLER,
139 COMPILATION_UNIT_OBJECT,
141 COMPILATION_UNIT_UNKNOWN
142 } compilation_unit_type_t;
144 typedef struct compilation_unit_t compilation_unit_t;
145 struct compilation_unit_t {
146 const char *name; /**< filename or "-" for stdin */
147 FILE *input; /**< input (NULL if not opened yet) */
149 compilation_unit_type_t type;
150 lang_standard_t standard;
151 translation_unit_t *ast;
153 compilation_unit_t *next;
156 static char **temp_files;
158 static void get_output_name(char *buf, size_t buflen, const char *inputname,
161 if (inputname == NULL)
164 char const *const last_slash = strrchr(inputname, '/');
165 char const *const filename =
166 last_slash != NULL ? last_slash + 1 : inputname;
167 char const *const last_dot = strrchr(filename, '.');
168 char const *const name_end =
169 last_dot != NULL ? last_dot : strchr(filename, '\0');
171 int const len = snprintf(buf, buflen, "%.*s%s",
172 (int)(name_end - filename), filename, newext);
174 if (len < 0 || buflen <= (size_t)len)
176 if (buflen <= (size_t)len)
178 panic("filename too long");
181 static bool close_input(compilation_unit_t *unit)
185 if (unit->input == stdin) {
187 } else if (unit->input_is_pipe) {
188 res = pclose(unit->input) == EXIT_SUCCESS;
198 static void print_error_summary(void)
200 if (error_count > 0) {
201 /* parsing failed because of errors */
202 fprintf(stderr, "%u error(s), %u warning(s)\n", error_count,
204 } else if (warning_count > 0) {
205 fprintf(stderr, "%u warning(s)\n", warning_count);
209 static void do_parsing(compilation_unit_t *unit)
211 ir_timer_t *t_parsing = ir_timer_new();
212 timer_register(t_parsing, "Frontend: Parsing");
213 timer_start(t_parsing);
217 switch_pp_input(unit->input, unit->name, NULL, false);
219 unit->ast = finish_parsing();
220 check_unclosed_conditionals();
222 bool res = close_input(unit);
224 print_error_summary();
226 unit->type = COMPILATION_UNIT_AST;
227 unit->parse_errors = error_count > 0 || !res;
228 timer_stop(t_parsing);
229 if (stat_ev_enabled) {
230 stat_ev_dbl("time_parsing", ir_timer_elapsed_sec(t_parsing));
234 static void add_flag(struct obstack *obst, const char *format, ...)
239 va_start(ap, format);
243 vsnprintf(buf, sizeof(buf), format, ap);
246 obstack_1grow(obst, ' ');
248 obstack_1grow(obst, '"');
249 obstack_grow(obst, buf, len);
250 obstack_1grow(obst, '"');
252 /* escape stuff... */
253 for (char *c = buf; *c != '\0'; ++c) {
271 obstack_1grow(obst, '\\');
274 obstack_1grow(obst, *c);
281 static const char *type_to_string(type_t *type)
283 assert(type->kind == TYPE_ATOMIC);
284 return get_atomic_kind_name(type->atomic.akind);
287 static char const* str_lang_standard(lang_standard_t const standard)
290 case STANDARD_C89: return "c89";
291 case STANDARD_C89AMD1: return "iso9899:199409";
292 case STANDARD_C99: return "c99";
293 case STANDARD_C11: return "c11";
294 case STANDARD_GNU89: return "gnu89";
295 case STANDARD_GNU99: return "gnu99";
296 case STANDARD_GNU11: return "gnu11";
297 case STANDARD_CXX98: return "c++98";
298 case STANDARD_GNUXX98: return "gnu++98";
299 case STANDARD_ANSI: break;
300 case STANDARD_DEFAULT: break;
302 panic("invalid standard");
305 static bool run_external_preprocessor(compilation_unit_t *unit)
307 obstack_1grow(&cppflags_obst, '\0');
308 const char *flags = obstack_finish(&cppflags_obst);
310 const char *preprocessor = getenv("CPARSER_PP");
311 if (preprocessor != NULL) {
312 obstack_printf(&cppflags_obst, "%s ", preprocessor);
314 if (target_triple != NULL)
315 obstack_printf(&cppflags_obst, "%s-", target_triple);
316 obstack_printf(&cppflags_obst, "%s", external_preprocessor);
320 switch (unit->type) {
321 case COMPILATION_UNIT_C: lang = "c"; break;
322 case COMPILATION_UNIT_CXX: lang = "c++"; break;
323 case COMPILATION_UNIT_ASSEMBLER: lang = "assembler-with-cpp"; break;
324 default: lang = NULL; break;
327 add_flag(&cppflags_obst, "-x%s", lang);
329 if (unit->type == COMPILATION_UNIT_C
330 || unit->type == COMPILATION_UNIT_CXX) {
331 add_flag(&cppflags_obst, "-std=%s", str_lang_standard(unit->standard));
333 /* setup default defines */
334 add_flag(&cppflags_obst, "-U__WCHAR_TYPE__");
335 add_flag(&cppflags_obst, "-D__WCHAR_TYPE__=%s", type_to_string(type_wchar_t));
336 add_flag(&cppflags_obst, "-U__SIZE_TYPE__");
337 add_flag(&cppflags_obst, "-D__SIZE_TYPE__=%s", type_to_string(type_size_t));
339 add_flag(&cppflags_obst, "-U__VERSION__");
340 add_flag(&cppflags_obst, "-D__VERSION__=\"%s\"", cparser_REVISION);
342 if (define_intmax_types) {
343 add_flag(&cppflags_obst, "-U__INTMAX_TYPE__");
344 add_flag(&cppflags_obst, "-D__INTMAX_TYPE__=%s", type_to_string(type_intmax_t));
345 add_flag(&cppflags_obst, "-U__UINTMAX_TYPE__");
346 add_flag(&cppflags_obst, "-D__UINTMAX_TYPE__=%s", type_to_string(type_uintmax_t));
349 if (flags[0] != '\0') {
350 size_t len = strlen(flags);
351 obstack_1grow(&cppflags_obst, ' ');
352 obstack_grow(&cppflags_obst, flags, len);
355 /* handle dependency generation */
356 if (construct_dep_target) {
357 static char dep_target[4096];
359 size_t len = strlen(outname);
360 if (len > sizeof(dep_target)-4) /* leave room for .d extension */
361 len = sizeof(dep_target)-4;
362 memcpy(dep_target, outname, len);
363 /* replace extension with .d if found */
364 char *dot = &dep_target[len-1];
365 for ( ; dot >= dep_target && *dot != '/'; --dot) {
368 len = (dot-dep_target)+2;
372 dep_target[len] = '\0';
374 get_output_name(dep_target, sizeof(dep_target), unit->name, ".d");
377 add_flag(&cppflags_obst, "-MF");
378 add_flag(&cppflags_obst, dep_target);
380 assert(unit->input == NULL);
381 add_flag(&cppflags_obst, unit->name);
382 obstack_1grow(&cppflags_obst, '\0');
384 char *commandline = obstack_finish(&cppflags_obst);
388 FILE *f = popen(commandline, "r");
390 position_t const pos = { unit->name, 0, 0, 0 };
391 errorf(&pos, "invoking preprocessor failed");
394 /* we do not really need that anymore */
395 obstack_free(&cppflags_obst, commandline);
398 unit->input_is_pipe = true;
399 switch (unit->type) {
400 case COMPILATION_UNIT_ASSEMBLER:
401 unit->type = COMPILATION_UNIT_PREPROCESSED_ASSEMBLER;
403 case COMPILATION_UNIT_C:
404 unit->type = COMPILATION_UNIT_PREPROCESSED_C;
406 case COMPILATION_UNIT_CXX:
407 unit->type = COMPILATION_UNIT_PREPROCESSED_CXX;
410 unit->type = COMPILATION_UNIT_UNKNOWN;
417 static void assemble(const char *out, const char *in)
419 obstack_1grow(&asflags_obst, '\0');
420 const char *flags = obstack_finish(&asflags_obst);
422 const char *assembler = getenv("CPARSER_AS");
423 if (assembler != NULL) {
424 obstack_printf(&asflags_obst, "%s", assembler);
426 if (target_triple != NULL)
427 obstack_printf(&asflags_obst, "%s-", target_triple);
428 obstack_printf(&asflags_obst, "%s", ASSEMBLER);
430 if (flags[0] != '\0')
431 obstack_printf(&asflags_obst, " %s", flags);
433 obstack_printf(&asflags_obst, " %s -o %s", in, out);
434 obstack_1grow(&asflags_obst, '\0');
436 char *commandline = obstack_finish(&asflags_obst);
440 int err = system(commandline);
441 if (err != EXIT_SUCCESS) {
442 position_t const pos = { in, 0, 0, 0 };
443 errorf(&pos, "assembler reported an error");
446 obstack_free(&asflags_obst, commandline);
449 static void print_file_name(const char *file)
451 add_flag(&ldflags_obst, "-print-file-name=%s", file);
453 obstack_1grow(&ldflags_obst, '\0');
454 const char *flags = obstack_finish(&ldflags_obst);
456 /* construct commandline */
457 const char *linker = getenv("CPARSER_LINK");
458 if (linker != NULL) {
459 obstack_printf(&ldflags_obst, "%s ", linker);
461 if (target_triple != NULL)
462 obstack_printf(&ldflags_obst, "%s-", target_triple);
463 obstack_printf(&ldflags_obst, "%s ", LINKER);
465 obstack_printf(&ldflags_obst, "%s ", linker);
466 obstack_printf(&ldflags_obst, "%s", flags);
467 obstack_1grow(&ldflags_obst, '\0');
469 char *commandline = obstack_finish(&ldflags_obst);
473 int err = system(commandline);
474 if (err != EXIT_SUCCESS) {
475 position_t const pos = { file, 0, 0, 0 };
476 errorf(&pos, "linker reported an error");
479 obstack_free(&ldflags_obst, commandline);
482 static const char *try_dir(const char *dir)
486 if (access(dir, R_OK | W_OK | X_OK) == 0)
491 static const char *get_tempdir(void)
493 static const char *tmpdir = NULL;
499 tmpdir = try_dir(getenv("TMPDIR"));
501 tmpdir = try_dir(getenv("TMP"));
503 tmpdir = try_dir(getenv("TEMP"));
507 tmpdir = try_dir(P_tmpdir);
511 tmpdir = try_dir("/var/tmp");
513 tmpdir = try_dir("/usr/tmp");
515 tmpdir = try_dir("/tmp");
524 /* cheap and nasty mkstemp replacement */
525 static int mkstemp(char *templ)
528 return open(templ, O_RDWR|O_CREAT|O_EXCL|O_BINARY, 0600);
533 * custom version of tmpnam, which: writes to an obstack, emits no warnings
534 * during linking (like glibc/gnu ld do for tmpnam)...
536 static FILE *make_temp_file(const char *prefix, const char **name_result)
538 const char *tempdir = get_tempdir();
539 assert(obstack_object_size(&file_obst) == 0);
540 obstack_printf(&file_obst, "%s/%sXXXXXX", tempdir, prefix);
541 obstack_1grow(&file_obst, '\0');
543 char *name = obstack_finish(&file_obst);
544 int fd = mkstemp(name);
546 position_t const pos = { name, 0, 0, 0 };
547 errorf(&pos, "could not create temporary file: %s", strerror(errno));
550 FILE *out = fdopen(fd, "w");
552 position_t const pos = { name, 0, 0, 0 };
553 errorf(&pos, "could not open temporary file as FILE*");
557 ARR_APP1(char*, temp_files, name);
562 static void free_temp_files(void)
564 if (temp_files == NULL)
567 size_t n_temp_files = ARR_LEN(temp_files);
569 for (i = 0; i < n_temp_files; ++i) {
570 char *file = temp_files[i];
573 DEL_ARR_F(temp_files);
577 typedef enum compile_mode_t {
592 static void usage(const char *argv0)
594 fprintf(stderr, "Usage %s [options] input [-o output]\n", argv0);
597 static void print_cparser_version(void)
599 printf("cparser (%s) using libFirm (%u.%u",
600 cparser_REVISION, ir_get_version_major(),
601 ir_get_version_minor());
603 const char *revision = ir_get_version_revision();
604 if (revision[0] != 0) {
606 fputs(revision, stdout);
609 const char *build = ir_get_version_build();
612 fputs(build, stdout);
615 puts("This is free software; see the source for copying conditions. There is NO\n"
616 "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n");
619 static void print_cparser_version_short(void)
621 puts(cparser_REVISION);
624 static void print_help_basic(const char *argv0)
628 put_help("--help", "Display this information");
629 put_help("--version", "Display compiler version");
630 put_help("--help-parser", "Display information about parser options");
631 put_help("--help-warnings", "Display information about warning options");
632 put_help("--help-codegen", "Display information about code-generation options");
633 put_help("--help-optimization", "Display information about optimization options");
634 put_help("--help-linker", "Display information about linker options");
635 put_help("--help-language-tools", "Display information about language tools options");
636 put_help("--help-debug", "Display information about compiler debugging options");
637 put_help("--help-firm", "Display information about direct firm options");
638 put_help("--help-all", "Display information about all options");
639 put_help("-c", "Compile and assemble but do not link");
640 put_help("-E", "Preprocess only");
641 put_help("-S", "Compile but do not assembler or link");
642 put_help("-o", "Specify output file");
643 put_help("-v", "Verbose output (show invocation of sub-processes)");
644 put_help("-x", "Force input language:");
645 put_choice("c", "C");
646 put_choice("c++", "C++");
647 put_choice("assembler", "Assembler (no preprocessing)");
648 put_choice("assembler-with-cpp", "Assembler with preprocessing");
649 put_choice("none", "Autodetection");
650 put_help("-pipe", "Ignored (gcc compatibility)");
653 static void print_help_preprocessor(void)
655 put_help("-nostdinc", "Do not search standard system include directories");
656 put_help("-trigraphs", "Support ISO C trigraphs");
657 put_help("-isystem", "");
658 put_help("-include", "");
659 put_help("-I PATH", "");
660 put_help("-D SYMBOL[=value]", "");
661 put_help("-U SYMBOL", "");
662 put_help("-Wp,OPTION", "Pass option directly to preprocessor");
663 put_help("-Xpreprocessor OPTION", "Pass option directly to preprocessor");
666 put_help("-MMD", "");
674 static void print_help_parser(void)
676 put_help("-finput-charset=CHARSET", "Select encoding of input files");
677 put_help("-fmessage-length=LEN", "Ignored (gcc compatibility)");
678 put_help("-fshort-wchar", "Type \"wchar_t\" is unsigned short instead of int");
679 put_help("-fshow-column", "Show the column number in diagnostic messages");
680 put_help("-fsigned-char", "Type \"char\" is a signed type");
681 put_help("-funsigned-char", "Type \"char\" is an unsigned type");
682 put_help("--ms", "Enable msvc extensions");
683 put_help("--no-ms", "Disable msvc extensions");
684 put_help("--gcc", "Enable gcc extensions");
685 put_help("--no-gcc", "Disable gcc extensions");
686 put_help("-std=STANDARD", "Specify language standard:");
687 put_choice("c99", "ISO C99 standard");
688 put_choice("c89", "ISO C89 standard");
689 put_choice("c90", "Same as -std=c89");
690 put_choice("c11", "ISO C11 standard");
691 put_choice("c9x", "Deprecated");
692 put_choice("c++", "ISO C++ 98");
693 put_choice("c++98", "ISO C++ 98");
694 put_choice("gnu99", "ISO C99 + GNU extensions (default)");
695 put_choice("gnu89", "ISO C89 + GNU extensions");
696 put_choice("gnu11", "ISO C11 + GNU extensions");
697 put_choice("gnu9x", "Deprecated");
698 put_choice("iso9899:1990", "ISO C89");
699 put_choice("iso9899:199409", "ISO C90");
700 put_choice("iso9899:1999", "ISO C99");
701 put_choice("iso9899:199x", "Deprecated");
702 put_help("-pedantic", "Ignored (gcc compatibility)");
703 put_help("-ansi", "-std=c90 (for C) or -std=c++98 (for C++)");
704 put_help("--strict", "Enable strict conformance checking");
707 static void print_help_warnings(void)
709 put_help("-f[no-]diagnostics-show-option", "Show the switch, which controls a warning, after each warning");
710 put_help("-w", "Disable all warnings");
711 put_help("-Wno-trigraphs", "Warn if input contains trigraphs");
712 put_help("-Wundef", "Warn if an undefined macro is used in an #if");
713 put_help("-Wmissing-include-dirs", "Warn about missing user-specified include directories");
714 put_help("-Wendif-labels", "Warn about stray text after #elif and #endif");
715 put_help("-Winit-self", "Ignored (gcc compatibility)");
716 put_help("-Wformat-y2k", "Ignored (gcc compatibility)");
717 put_help("-Wformat-security", "Ignored (gcc compatibility)");
718 put_help("-Wold-style-declaration", "Ignored (gcc compatibility)");
719 put_help("-Wtype-limits", "Ignored (gcc compatibility)");
720 print_warning_opt_help();
723 static void print_help_optimization(void)
725 put_help("-O LEVEL", "Select optimization level (0-4)");
726 firm_option_help(put_help);
727 put_help("-fexpensive-optimizations","Ignored (gcc compatibility)");
730 static void print_help_codegeneration(void)
732 put_help("-g", "Generate debug information");
733 put_help("-pg", "Instrument code for gnu gprof");
734 put_help("-fomit-frame-pointer", "Produce code without frame pointer where possible");
735 put_help("-ffreestanding", "Compile in freestanding mode (see ISO C standard)");
736 put_help("-fhosted", "Compile in hosted (not freestanding) mode");
737 put_help("-fprofile-generate", "Generate instrumented code to collect profile information");
738 put_help("-fprofile-use", "Use profile information generated by instrumented binaries");
739 put_help("-ffp-precise", "Precise floating point model");
740 put_help("-ffp-fast", "Imprecise floating point model");
741 put_help("-ffp-strict", "Strict floating point model");
742 put_help("-pthread", "Use pthread threading library");
743 put_help("-mtarget=TARGET", "Specify target architecture as CPU-manufacturer-OS triple");
744 put_help("-mtriple=TARGET", "Alias for -mtarget (clang compatibility)");
745 put_help("-march=ARCH", "");
746 put_help("-mtune=ARCH", "");
747 put_help("-mcpu=CPU", "");
748 put_help("-mfpmath=", "");
749 put_help("-mpreferred-stack-boundary=", "");
750 put_help("-mrtd", "");
751 put_help("-mregparm=", "Not supported yet");
752 put_help("-msoft-float", "Not supported yet");
753 put_help("-m32", "Generate 32bit code");
754 put_help("-m64", "Generate 64bit code");
755 put_help("-fverbose-asm", "Ignored (gcc compatibility)");
756 put_help("-fjump-tables", "Ignored (gcc compatibility)");
757 put_help("-fcommon", "Ignored (gcc compatibility)");
758 put_help("-foptimize-sibling-calls", "Ignored (gcc compatibility)");
759 put_help("-falign-loops", "Ignored (gcc compatibility)");
760 put_help("-falign-jumps", "Ignored (gcc compatibility)");
761 put_help("-falign-functions", "Ignored (gcc compatibility)");
762 put_help("-fPIC", "Ignored (gcc compatibility)");
763 put_help("-ffast-math", "Same as -ffp-fast (gcc compatibility)");
765 puts("\tMost of these options can be used with a no- prefix to disable them");
766 puts("\te.g. -fno-omit-frame-pointer");
769 static void print_help_linker(void)
771 put_help("-l LIBRARY", "");
772 put_help("-L PATH", "");
773 put_help("-s", "Do not produce symbol table and relocation information");
774 put_help("-shared", "Produce a shared library");
775 put_help("-static", "Produce statically linked binary");
776 put_help("-Wa,OPTION", "Pass option directly to assembler");
777 put_help("-Xassembler OPTION", "Pass option directly to assembler");
778 put_help("-Wl,OPTION", "Pass option directly to linker");
779 put_help("-Xlinker OPTION", "Pass option directly to linker");
782 static void print_help_debug(void)
784 put_help("--print-ast", "Preprocess, parse and print AST");
785 put_help("--print-implicit-cast", "");
786 put_help("--print-parenthesis", "");
787 put_help("--benchmark", "Preprocess and parse, produces no output");
788 put_help("--time", "Measure time of compiler passes");
789 put_help("--statev", "Produce statev output");
790 put_help("--filtev=filter", "Set statev filter regex");
791 put_help("--dump-function func", "Preprocess, parse and output vcg graph of func");
792 put_help("--export-ir", "Preprocess, parse and output compiler intermediate representation");
795 static void print_help_language_tools(void)
797 put_help("--print-fluffy", "Preprocess, parse and generate declarations for the fluffy language");
798 put_help("--print-jna", "Preprocess, parse and generate declarations for JNA");
799 put_help("--jna-limit filename", "");
800 put_help("--jna-libname name", "");
803 static void print_help_firm(void)
805 put_help("-bOPTION", "Directly pass option to libFirm backend");
806 int res = be_parse_arg("help");
814 HELP_PREPROCESSOR = 1 << 1,
815 HELP_PARSER = 1 << 2,
816 HELP_WARNINGS = 1 << 3,
817 HELP_OPTIMIZATION = 1 << 4,
818 HELP_CODEGEN = 1 << 5,
819 HELP_LINKER = 1 << 6,
820 HELP_LANGUAGETOOLS = 1 << 7,
827 static void print_help(const char *argv0, help_sections_t sections)
829 if (sections & HELP_BASIC) print_help_basic(argv0);
830 if (sections & HELP_PREPROCESSOR) print_help_preprocessor();
831 if (sections & HELP_PARSER) print_help_parser();
832 if (sections & HELP_WARNINGS) print_help_warnings();
833 if (sections & HELP_OPTIMIZATION) print_help_optimization();
834 if (sections & HELP_CODEGEN) print_help_codegeneration();
835 if (sections & HELP_LINKER) print_help_linker();
836 if (sections & HELP_LANGUAGETOOLS) print_help_language_tools();
837 if (sections & HELP_DEBUG) print_help_debug();
838 if (sections & HELP_FIRM) print_help_firm();
841 static void set_be_option(const char *arg)
843 int res = be_parse_arg(arg);
848 static compilation_unit_type_t get_unit_type_from_string(const char *string)
850 if (streq(string, "c") || streq(string, "c-header"))
851 return COMPILATION_UNIT_C;
852 if (streq(string, "c++") || streq(string, "c++-header"))
853 return COMPILATION_UNIT_CXX;
854 if (streq(string, "assembler"))
855 return COMPILATION_UNIT_PREPROCESSED_ASSEMBLER;
856 if (streq(string, "assembler-with-cpp"))
857 return COMPILATION_UNIT_ASSEMBLER;
858 if (streq(string, "none"))
859 return COMPILATION_UNIT_AUTODETECT;
861 return COMPILATION_UNIT_UNKNOWN;
864 static bool init_os_support(void)
866 wchar_atomic_kind = ATOMIC_TYPE_INT;
867 enable_main_collect2_hack = false;
868 define_intmax_types = false;
870 if (firm_is_unixish_os(target_machine)) {
871 set_create_ld_ident(create_name_linux_elf);
872 } else if (firm_is_darwin_os(target_machine)) {
873 set_create_ld_ident(create_name_macho);
874 define_intmax_types = true;
875 } else if (firm_is_windows_os(target_machine)) {
876 wchar_atomic_kind = ATOMIC_TYPE_USHORT;
877 enable_main_collect2_hack = true;
878 set_create_ld_ident(create_name_win32);
886 static bool parse_target_triple(const char *arg)
888 machine_triple_t *triple = firm_parse_machine_triple(arg);
889 if (triple == NULL) {
890 errorf(NULL, "target-triple '%s' is not in the form 'cpu_type-manufacturer-operating_system'", arg);
893 target_machine = triple;
897 static unsigned decide_modulo_shift(unsigned type_size)
899 if (architecture_modulo_shift == 0)
901 if (type_size < architecture_modulo_shift)
902 return architecture_modulo_shift;
906 static bool is_ia32_cpu(const char *architecture)
908 return streq(architecture, "i386")
909 || streq(architecture, "i486")
910 || streq(architecture, "i586")
911 || streq(architecture, "i686")
912 || streq(architecture, "i786");
915 static const char *setup_isa_from_tripel(const machine_triple_t *machine)
917 const char *cpu = machine->cpu_type;
919 if (is_ia32_cpu(cpu)) {
921 } else if (streq(cpu, "x86_64")) {
923 } else if (streq(cpu, "sparc")) {
925 } else if (streq(cpu, "arm")) {
928 errorf(NULL, "unknown cpu '%s' in target-triple", cpu);
933 static const char *setup_target_machine(void)
935 if (!setup_firm_for_machine(target_machine))
938 const char *isa = setup_isa_from_tripel(target_machine);
949 * initialize cparser type properties based on a firm type
951 static void set_typeprops_type(atomic_type_properties_t* props, ir_type *type)
953 props->size = get_type_size_bytes(type);
954 props->alignment = get_type_alignment_bytes(type);
955 props->struct_alignment = props->alignment;
959 * Copy atomic type properties except the integer conversion rank
961 static void copy_typeprops(atomic_type_properties_t *dest,
962 const atomic_type_properties_t *src)
964 dest->size = src->size;
965 dest->alignment = src->alignment;
966 dest->struct_alignment = src->struct_alignment;
967 dest->flags = src->flags;
970 static void init_types_and_adjust(void)
972 const backend_params *be_params = be_get_backend_param();
973 unsigned machine_size = be_params->machine_size;
974 init_types(machine_size);
976 atomic_type_properties_t *props = atomic_type_properties;
978 /* adjust types as requested by target architecture */
979 ir_type *type_long_double = be_params->type_long_double;
980 if (type_long_double != NULL) {
981 set_typeprops_type(&props[ATOMIC_TYPE_LONG_DOUBLE], type_long_double);
982 atomic_modes[ATOMIC_TYPE_LONG_DOUBLE] = get_type_mode(type_long_double);
985 ir_type *type_long_long = be_params->type_long_long;
986 if (type_long_long != NULL)
987 set_typeprops_type(&props[ATOMIC_TYPE_LONGLONG], type_long_long);
989 ir_type *type_unsigned_long_long = be_params->type_unsigned_long_long;
990 if (type_unsigned_long_long != NULL)
991 set_typeprops_type(&props[ATOMIC_TYPE_ULONGLONG], type_unsigned_long_long);
993 /* operating system ABI specifics */
994 if (firm_is_darwin_os(target_machine)) {
995 if (is_ia32_cpu(target_machine->cpu_type)) {
996 props[ATOMIC_TYPE_LONGLONG].struct_alignment = 4;
997 props[ATOMIC_TYPE_ULONGLONG].struct_alignment = 4;
998 props[ATOMIC_TYPE_DOUBLE].struct_alignment = 4;
999 props[ATOMIC_TYPE_LONG_DOUBLE].size = 16;
1000 props[ATOMIC_TYPE_LONG_DOUBLE].alignment = 16;
1001 props[ATOMIC_TYPE_LONG_DOUBLE].struct_alignment = 16;
1003 } else if (firm_is_windows_os(target_machine)) {
1004 if (is_ia32_cpu(target_machine->cpu_type)) {
1005 props[ATOMIC_TYPE_LONGLONG].struct_alignment = 8;
1006 props[ATOMIC_TYPE_ULONGLONG].struct_alignment = 8;
1007 props[ATOMIC_TYPE_DOUBLE].struct_alignment = 8;
1008 } else if (machine_size == 64) {
1009 /* to ease porting of old c-code microsoft decided to use 32bits
1011 props[ATOMIC_TYPE_LONG] = props[ATOMIC_TYPE_INT];
1012 props[ATOMIC_TYPE_ULONG] = props[ATOMIC_TYPE_UINT];
1015 /* on windows long double is not supported */
1016 props[ATOMIC_TYPE_LONG_DOUBLE] = props[ATOMIC_TYPE_DOUBLE];
1017 } else if (firm_is_unixish_os(target_machine)) {
1018 if (is_ia32_cpu(target_machine->cpu_type)) {
1019 props[ATOMIC_TYPE_DOUBLE].struct_alignment = 4;
1020 props[ATOMIC_TYPE_LONGLONG].struct_alignment = 4;
1021 props[ATOMIC_TYPE_ULONGLONG].struct_alignment = 4;
1025 /* stuff decided after processing operating system specifics and
1026 * commandline flags */
1027 if (char_is_signed) {
1028 props[ATOMIC_TYPE_CHAR].flags |= ATOMIC_TYPE_FLAG_SIGNED;
1030 props[ATOMIC_TYPE_CHAR].flags &= ~ATOMIC_TYPE_FLAG_SIGNED;
1032 /* copy over wchar_t properties (including rank) */
1033 props[ATOMIC_TYPE_WCHAR_T] = props[wchar_atomic_kind];
1035 /* initialize defaults for unsupported types */
1036 if (type_long_long == NULL) {
1037 copy_typeprops(&props[ATOMIC_TYPE_LONGLONG], &props[ATOMIC_TYPE_LONG]);
1039 if (type_unsigned_long_long == NULL) {
1040 copy_typeprops(&props[ATOMIC_TYPE_ULONGLONG],
1041 &props[ATOMIC_TYPE_ULONG]);
1043 if (type_long_double == NULL) {
1044 copy_typeprops(&props[ATOMIC_TYPE_LONG_DOUBLE],
1045 &props[ATOMIC_TYPE_DOUBLE]);
1048 /* initialize firm pointer modes */
1050 unsigned bit_size = machine_size;
1051 unsigned modulo_shift = decide_modulo_shift(bit_size);
1053 snprintf(name, sizeof(name), "p%u", machine_size);
1054 ir_mode *ptr_mode = new_reference_mode(name, irma_twos_complement, bit_size, modulo_shift);
1056 if (machine_size == 16) {
1057 set_reference_mode_signed_eq(ptr_mode, mode_Hs);
1058 set_reference_mode_unsigned_eq(ptr_mode, mode_Hu);
1059 } else if (machine_size == 32) {
1060 set_reference_mode_signed_eq(ptr_mode, mode_Is);
1061 set_reference_mode_unsigned_eq(ptr_mode, mode_Iu);
1062 } else if (machine_size == 64) {
1063 set_reference_mode_signed_eq(ptr_mode, mode_Ls);
1064 set_reference_mode_unsigned_eq(ptr_mode, mode_Lu);
1066 panic("strange machine_size when determining pointer modes");
1069 /* Hmm, pointers should be machine size */
1070 set_modeP_data(ptr_mode);
1071 set_modeP_code(ptr_mode);
1073 byte_order_big_endian = be_params->byte_order_big_endian;
1074 if (be_params->modulo_shift_efficient) {
1075 architecture_modulo_shift = machine_size;
1077 architecture_modulo_shift = 0;
1081 static void setup_cmode(const compilation_unit_t *unit)
1083 compilation_unit_type_t type = unit->type;
1084 lang_standard_t standard = unit->standard;
1085 if (type == COMPILATION_UNIT_PREPROCESSED_C || type == COMPILATION_UNIT_C) {
1087 case STANDARD_C89: c_mode = _C89; break;
1088 /* TODO determine difference between these two */
1089 case STANDARD_C89AMD1: c_mode = _C89; break;
1090 case STANDARD_C99: c_mode = _C89 | _C99; break;
1091 case STANDARD_C11: c_mode = _C89 | _C99 | _C11; break;
1092 case STANDARD_GNU89: c_mode = _C89 | _GNUC; break;
1093 case STANDARD_GNU11: c_mode = _C89 | _C99 | _C11 | _GNUC; break;
1096 case STANDARD_CXX98:
1097 case STANDARD_GNUXX98:
1098 case STANDARD_DEFAULT:
1099 fprintf(stderr, "warning: command line option \"-std=%s\" is not valid for C\n", str_lang_standard(standard));
1101 case STANDARD_GNU99: c_mode = _C89 | _C99 | _GNUC; break;
1103 } else if (type == COMPILATION_UNIT_PREPROCESSED_CXX
1104 || type == COMPILATION_UNIT_CXX) {
1106 case STANDARD_CXX98: c_mode = _CXX; break;
1110 case STANDARD_C89AMD1:
1113 case STANDARD_GNU89:
1114 case STANDARD_GNU99:
1115 case STANDARD_GNU11:
1116 case STANDARD_DEFAULT:
1117 fprintf(stderr, "warning: command line option \"-std=%s\" is not valid for C++\n", str_lang_standard(standard));
1119 case STANDARD_GNUXX98: c_mode = _CXX | _GNUC; break;
1123 c_mode |= features_on;
1124 c_mode &= ~features_off;
1127 static void determine_unit_standard(compilation_unit_t *unit,
1128 lang_standard_t standard)
1130 unit->standard = standard;
1133 switch (unit->type) {
1134 case COMPILATION_UNIT_C:
1135 case COMPILATION_UNIT_PREPROCESSED_C:
1136 unit->standard = STANDARD_C89;
1138 case COMPILATION_UNIT_CXX:
1139 case COMPILATION_UNIT_PREPROCESSED_CXX:
1140 unit->standard = STANDARD_CXX98;
1147 case STANDARD_DEFAULT:
1148 switch (unit->type) {
1149 case COMPILATION_UNIT_C:
1150 case COMPILATION_UNIT_PREPROCESSED_C:
1151 unit->standard = STANDARD_GNU99;
1153 case COMPILATION_UNIT_CXX:
1154 case COMPILATION_UNIT_PREPROCESSED_CXX:
1155 unit->standard = STANDARD_GNUXX98;
1167 static bool output_preprocessor_tokens(compilation_unit_t *unit, FILE *out)
1169 /* just here for gcc compatibility */
1170 fprintf(out, "# 1 \"%s\"\n", unit->name);
1171 fprintf(out, "# 1 \"<built-in>\"\n");
1172 fprintf(out, "# 1 \"<command-line>\"\n");
1174 set_preprocessor_output(out);
1175 switch_pp_input(unit->input, unit->name, NULL, false);
1178 next_preprocessing_token();
1179 if (pp_token.kind == T_EOF)
1185 check_unclosed_conditionals();
1187 print_error_summary();
1188 set_preprocessor_output(NULL);
1190 if (unit->type == COMPILATION_UNIT_C) {
1191 unit->type = COMPILATION_UNIT_PREPROCESSED_C;
1192 } else if (unit->type == COMPILATION_UNIT_CXX) {
1193 unit->type = COMPILATION_UNIT_PREPROCESSED_CXX;
1195 bool res = close_input(unit);
1196 return res && error_count == 0;
1199 static void copy_file(FILE *dest, FILE *input)
1203 while (!feof(input) && !ferror(dest)) {
1204 size_t read = fread(buf, 1, sizeof(buf), input);
1205 if (fwrite(buf, 1, read, dest) != read) {
1206 perror("could not write output");
1211 static bool open_input(compilation_unit_t *unit)
1213 /* input already available as FILE? */
1214 if (unit->input != NULL)
1217 const char *const inputname = unit->name;
1218 unit->input_is_pipe = false;
1219 if (streq(inputname, "-")) {
1220 unit->input = stdin;
1222 unit->input = fopen(inputname, "r");
1223 if (unit->input == NULL) {
1224 position_t const pos = { inputname, 0, 0, 0 };
1225 errorf(&pos, "could not open: %s", strerror(errno));
1232 static void node_counter(ir_node *node, void *env)
1235 unsigned long long *count = (unsigned long long*)env;
1239 static unsigned long long count_firm_nodes(void)
1241 unsigned long long count = 0;
1243 int n_irgs = get_irp_n_irgs();
1244 for (int i = 0; i < n_irgs; ++i) {
1245 ir_graph *irg = get_irp_irg(i);
1246 irg_walk_graph(irg, node_counter, NULL, &count);
1251 static int compilation_loop(compile_mode_t mode, compilation_unit_t *units,
1252 lang_standard_t standard, FILE *out)
1254 int result = EXIT_SUCCESS;
1255 bool already_constructed_firm = false;
1256 for (compilation_unit_t *unit = units; unit != NULL; unit = unit->next) {
1257 const char *const inputname = unit->name;
1259 determine_unit_standard(unit, standard);
1262 stat_ev_ctx_push_str("compilation_unit", inputname);
1265 switch (unit->type) {
1266 case COMPILATION_UNIT_IR: {
1267 bool res = open_input(unit);
1269 result = EXIT_FAILURE;
1272 res = !ir_import_file(unit->input, unit->name);
1274 position_t const pos = { inputname, 0, 0, 0 };
1275 errorf(&pos, "import of firm graph failed");
1276 result = EXIT_FAILURE;
1279 unit->type = COMPILATION_UNIT_INTERMEDIATE_REPRESENTATION;
1282 case COMPILATION_UNIT_ASSEMBLER: {
1283 if (external_preprocessor == NULL) {
1284 panic("preprocessed assembler not possible with internal preprocessor yet");
1286 bool res = 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 bool res = run_external_preprocessor(unit);
1311 result = EXIT_FAILURE;
1318 case COMPILATION_UNIT_PREPROCESSED_C:
1319 case COMPILATION_UNIT_PREPROCESSED_CXX: {
1320 bool res = open_input(unit);
1322 result = EXIT_FAILURE;
1327 if (mode == PreprocessOnly) {
1328 bool res = output_preprocessor_tokens(unit, out);
1330 result = EXIT_FAILURE;
1336 /* do the actual parsing */
1340 case COMPILATION_UNIT_AST:
1341 /* prints the AST even if errors occurred */
1342 if (mode == PrintAst) {
1344 print_ast(unit->ast);
1346 if (unit->parse_errors) {
1347 result = EXIT_FAILURE;
1351 if (mode == BenchmarkParser) {
1353 } else if (mode == PrintFluffy) {
1354 write_fluffy_decls(out, unit->ast);
1356 } else if (mode == PrintJna) {
1357 write_jna_decls(out, unit->ast);
1359 } else if (mode == PrintCompoundSizes) {
1360 write_compoundsizes(out, unit->ast);
1364 /* build the firm graph */
1365 ir_timer_t *t_construct = ir_timer_new();
1366 timer_register(t_construct, "Frontend: Graph construction");
1367 timer_start(t_construct);
1368 if (already_constructed_firm) {
1369 panic("compiling multiple files/translation units not possible");
1371 init_implicit_optimizations();
1372 translation_unit_to_firm(unit->ast);
1373 already_constructed_firm = true;
1374 timer_stop(t_construct);
1375 if (stat_ev_enabled) {
1376 stat_ev_dbl("time_graph_construction", ir_timer_elapsed_sec(t_construct));
1377 stat_ev_int("size_graph_construction", count_firm_nodes());
1379 unit->type = COMPILATION_UNIT_INTERMEDIATE_REPRESENTATION;
1382 case COMPILATION_UNIT_INTERMEDIATE_REPRESENTATION:
1383 if (mode == ParseOnly)
1386 if (mode == CompileDump) {
1388 ident *id = new_id_from_str(dumpfunction);
1389 ir_graph *irg = NULL;
1390 int n_irgs = get_irp_n_irgs();
1391 for (int i = 0; i < n_irgs; ++i) {
1392 ir_graph *tirg = get_irp_irg(i);
1393 ident *irg_id = get_entity_ident(get_irg_entity(tirg));
1401 errorf(NULL, "no graph for function '%s' found", dumpfunction);
1402 return EXIT_FAILURE;
1405 dump_ir_graph_file(out, irg);
1407 return EXIT_SUCCESS;
1410 if (mode == CompileExportIR) {
1411 ir_export_file(out);
1412 if (ferror(out) != 0) {
1413 errorf(NULL, "writing to output failed");
1414 return EXIT_FAILURE;
1416 return EXIT_SUCCESS;
1420 if (mode == Compile) {
1423 asm_out = make_temp_file("ccs", &unit->name);
1425 ir_timer_t *t_opt_codegen = ir_timer_new();
1426 timer_register(t_opt_codegen, "Optimization and Codegeneration");
1427 timer_start(t_opt_codegen);
1428 generate_code(asm_out, inputname);
1429 timer_stop(t_opt_codegen);
1430 if (stat_ev_enabled) {
1431 stat_ev_dbl("time_opt_codegen", ir_timer_elapsed_sec(t_opt_codegen));
1433 if (asm_out != out) {
1436 unit->type = COMPILATION_UNIT_PREPROCESSED_ASSEMBLER;
1438 case COMPILATION_UNIT_PREPROCESSED_ASSEMBLER:
1439 if (mode != CompileAssemble && mode != CompileAssembleLink)
1443 const char *input = unit->name;
1444 if (mode == CompileAssemble) {
1446 unit->name = outname;
1448 FILE *tempf = make_temp_file("cco", &unit->name);
1453 assemble(unit->name, input);
1455 unit->type = COMPILATION_UNIT_OBJECT;
1457 case COMPILATION_UNIT_UNKNOWN:
1458 case COMPILATION_UNIT_AUTODETECT:
1459 case COMPILATION_UNIT_OBJECT:
1463 stat_ev_ctx_pop("compilation_unit");
1468 static int link_program(compilation_unit_t *units)
1470 obstack_1grow(&ldflags_obst, '\0');
1471 const char *flags = obstack_finish(&ldflags_obst);
1473 /* construct commandline */
1474 const char *linker = getenv("CPARSER_LINK");
1475 if (linker != NULL) {
1476 obstack_printf(&file_obst, "%s ", linker);
1478 if (target_triple != NULL)
1479 obstack_printf(&file_obst, "%s-", target_triple);
1480 obstack_printf(&file_obst, "%s ", LINKER);
1483 for (compilation_unit_t *unit = units; unit != NULL; unit = unit->next) {
1484 if (unit->type != COMPILATION_UNIT_OBJECT)
1487 add_flag(&file_obst, "%s", unit->name);
1490 add_flag(&file_obst, "-o");
1491 add_flag(&file_obst, outname);
1492 obstack_printf(&file_obst, "%s", flags);
1493 obstack_1grow(&file_obst, '\0');
1495 char *commandline = obstack_finish(&file_obst);
1500 int err = system(commandline);
1501 if (err != EXIT_SUCCESS) {
1502 errorf(NULL, "linker reported an error");
1503 return EXIT_FAILURE;
1505 return EXIT_SUCCESS;
1508 int main(int argc, char **argv)
1510 const char *print_file_name_file = NULL;
1511 compile_mode_t mode = CompileAssembleLink;
1513 char cpu_arch[16] = "ia32";
1514 compilation_unit_t *units = NULL;
1515 compilation_unit_t *last_unit = NULL;
1516 bool produce_statev = false;
1517 const char *filtev = NULL;
1518 bool profile_generate = false;
1519 bool profile_use = false;
1520 bool do_timing = false;
1521 bool print_timing = false;
1523 /* hack for now... */
1524 if (strstr(argv[0], "pptest") != NULL) {
1525 extern int pptest_main(int argc, char **argv);
1526 return pptest_main(argc, argv);
1529 temp_files = NEW_ARR_F(char*, 0);
1530 atexit(free_temp_files);
1532 obstack_init(&cppflags_obst);
1533 obstack_init(&ldflags_obst);
1534 obstack_init(&asflags_obst);
1535 obstack_init(&file_obst);
1536 init_include_paths();
1538 #define GET_ARG_AFTER(def, args) \
1540 def = &arg[sizeof(args)-1]; \
1541 if (def[0] == '\0') { \
1544 errorf(NULL, "expected argument after '" args "'"); \
1545 argument_errors = true; \
1549 if (def[0] == '-' && def[1] != '\0') { \
1550 errorf(NULL, "expected argument after '" args "'"); \
1551 argument_errors = true; \
1557 #define SINGLE_OPTION(ch) (option[0] == (ch) && option[1] == '\0')
1559 /* initialize this early because it has to parse options */
1562 /* early options parsing (find out optimization level and OS) */
1563 for (int i = 1; i < argc; ++i) {
1564 const char *arg = argv[i];
1568 const char *option = &arg[1];
1569 if (option[0] == 'O') {
1570 sscanf(&option[1], "%d", &opt_level);
1574 if (target_machine == NULL) {
1575 target_machine = firm_get_host_machine();
1577 choose_optimization_pack(opt_level);
1578 setup_target_machine();
1580 /* parse rest of options */
1581 lang_standard_t standard = STANDARD_DEFAULT;
1582 compilation_unit_type_t forced_unittype = COMPILATION_UNIT_AUTODETECT;
1583 help_sections_t help = HELP_NONE;
1584 bool argument_errors = false;
1585 for (int i = 1; i < argc; ++i) {
1586 const char *arg = argv[i];
1587 if (arg[0] == '-' && arg[1] != '\0') {
1589 const char *option = &arg[1];
1590 if (option[0] == 'o') {
1591 GET_ARG_AFTER(outname, "-o");
1592 } else if (option[0] == 'g') {
1593 /* TODO: parse -gX with 0<=x<=3... */
1594 set_be_option("debug=frameinfo");
1595 set_be_option("ia32-optcc=false");
1596 } else if (SINGLE_OPTION('c')) {
1597 mode = CompileAssemble;
1598 } else if (SINGLE_OPTION('E')) {
1599 mode = PreprocessOnly;
1600 } else if (SINGLE_OPTION('s')) {
1601 add_flag(&ldflags_obst, "-s");
1602 } else if (SINGLE_OPTION('S')) {
1604 } else if (option[0] == 'O') {
1606 } else if (option[0] == 'I') {
1608 GET_ARG_AFTER(opt, "-I");
1609 add_flag(&cppflags_obst, "-I%s", opt);
1610 append_include_path(&bracket_searchpath, opt);
1611 } else if (option[0] == 'D') {
1613 GET_ARG_AFTER(opt, "-D");
1614 add_flag(&cppflags_obst, "-D%s", opt);
1615 } else if (option[0] == 'U') {
1617 GET_ARG_AFTER(opt, "-U");
1618 add_flag(&cppflags_obst, "-U%s", opt);
1619 } else if (option[0] == 'l') {
1621 GET_ARG_AFTER(opt, "-l");
1622 add_flag(&ldflags_obst, "-l%s", opt);
1623 } else if (option[0] == 'L') {
1625 GET_ARG_AFTER(opt, "-L");
1626 add_flag(&ldflags_obst, "-L%s", opt);
1627 } else if (SINGLE_OPTION('v')) {
1629 } else if (SINGLE_OPTION('w')) {
1630 add_flag(&cppflags_obst, "-w");
1631 disable_all_warnings();
1632 } else if (option[0] == 'x') {
1634 GET_ARG_AFTER(opt, "-x");
1635 forced_unittype = get_unit_type_from_string(opt);
1636 if (forced_unittype == COMPILATION_UNIT_UNKNOWN) {
1637 errorf(NULL, "unknown language '%s'", opt);
1638 argument_errors = true;
1640 } else if (streq(option, "M")) {
1641 mode = PreprocessOnly;
1642 add_flag(&cppflags_obst, "-M");
1643 } else if (streq(option, "MMD") ||
1644 streq(option, "MD")) {
1645 construct_dep_target = true;
1646 add_flag(&cppflags_obst, "-%s", option);
1647 } else if (streq(option, "MM") ||
1648 streq(option, "MP")) {
1649 add_flag(&cppflags_obst, "-%s", option);
1650 } else if (streq(option, "MT") ||
1651 streq(option, "MQ") ||
1652 streq(option, "MF")) {
1654 GET_ARG_AFTER(opt, "-MT");
1655 add_flag(&cppflags_obst, "-%s", option);
1656 add_flag(&cppflags_obst, "%s", opt);
1657 } else if (streq(option, "include")) {
1659 GET_ARG_AFTER(opt, "-include");
1660 add_flag(&cppflags_obst, "-include");
1661 add_flag(&cppflags_obst, "%s", opt);
1662 } else if (streq(option, "idirafter")) {
1664 GET_ARG_AFTER(opt, "-idirafter");
1665 add_flag(&cppflags_obst, "-idirafter");
1666 add_flag(&cppflags_obst, "%s", opt);
1667 append_include_path(&after_searchpath, opt);
1668 } else if (streq(option, "isystem")) {
1670 GET_ARG_AFTER(opt, "-isystem");
1671 add_flag(&cppflags_obst, "-isystem");
1672 add_flag(&cppflags_obst, "%s", opt);
1673 append_include_path(&system_searchpath, opt);
1674 } else if (streq(option, "iquote")) {
1676 GET_ARG_AFTER(opt, "-iquote");
1677 add_flag(&cppflags_obst, "-iquote");
1678 add_flag(&cppflags_obst, "%s", opt);
1679 append_include_path("e_searchpath, opt);
1680 } else if (streq(option, "pthread")) {
1681 /* set flags for the preprocessor */
1682 add_flag(&cppflags_obst, "-D_REENTRANT");
1683 /* set flags for the linker */
1684 add_flag(&ldflags_obst, "-lpthread");
1685 } else if (streq(option, "nostdinc")
1686 || streq(option, "trigraphs")) {
1687 /* pass these through to the preprocessor */
1688 add_flag(&cppflags_obst, "%s", arg);
1689 } else if (streq(option, "pipe")) {
1690 /* here for gcc compatibility */
1691 } else if (streq(option, "static")) {
1692 add_flag(&ldflags_obst, "-static");
1693 } else if (streq(option, "shared")) {
1694 add_flag(&ldflags_obst, "-shared");
1695 } else if (option[0] == 'f') {
1696 char const *orig_opt;
1697 GET_ARG_AFTER(orig_opt, "-f");
1699 if (strstart(orig_opt, "input-charset=")) {
1700 char const* const encoding = strchr(orig_opt, '=') + 1;
1701 input_encoding = encoding;
1702 } else if (strstart(orig_opt, "align-loops=") ||
1703 strstart(orig_opt, "align-jumps=") ||
1704 strstart(orig_opt, "align-functions=")) {
1705 fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
1706 } else if (strstart(orig_opt, "visibility=")) {
1707 const char *val = strchr(orig_opt, '=')+1;
1708 elf_visibility_tag_t visibility
1709 = get_elf_visibility_from_string(val);
1710 if (visibility == ELF_VISIBILITY_ERROR) {
1711 errorf(NULL, "invalid visibility '%s' specified", val);
1712 argument_errors = true;
1714 set_default_visibility(visibility);
1716 } else if (strstart(orig_opt, "message-length=")) {
1717 /* ignore: would only affect error message format */
1718 } else if (streq(orig_opt, "fast-math") ||
1719 streq(orig_opt, "fp-fast")) {
1720 firm_fp_model = fp_model_fast;
1721 } else if (streq(orig_opt, "fp-precise")) {
1722 firm_fp_model = fp_model_precise;
1723 } else if (streq(orig_opt, "fp-strict")) {
1724 firm_fp_model = fp_model_strict;
1725 } else if (streq(orig_opt, "help")) {
1726 fprintf(stderr, "warning: -fhelp is deprecated\n");
1727 help |= HELP_OPTIMIZATION;
1729 /* -f options which have an -fno- variant */
1730 char const *opt = orig_opt;
1731 bool truth_value = true;
1732 if (opt[0] == 'n' && opt[1] == 'o' && opt[2] == '-') {
1733 truth_value = false;
1737 if (streq(opt, "diagnostics-show-option")) {
1738 diagnostics_show_option = truth_value;
1739 } else if (streq(opt, "dollars-in-identifiers")) {
1740 allow_dollar_in_symbol = truth_value;
1741 } else if (streq(opt, "omit-frame-pointer")) {
1742 set_be_option(truth_value ? "omitfp" : "omitfp=no");
1743 } else if (streq(opt, "short-wchar")) {
1744 wchar_atomic_kind = truth_value ? ATOMIC_TYPE_USHORT
1746 } else if (streq(opt, "show-column")) {
1747 show_column = truth_value;
1748 } else if (streq(opt, "signed-char")) {
1749 char_is_signed = truth_value;
1750 } else if (streq(opt, "strength-reduce")) {
1751 /* does nothing, for gcc compatibility (even gcc does
1752 * nothing for this switch anymore) */
1753 } else if (streq(opt, "syntax-only")) {
1754 mode = truth_value ? ParseOnly : CompileAssembleLink;
1755 } else if (streq(opt, "unsigned-char")) {
1756 char_is_signed = !truth_value;
1757 } else if (streq(opt, "freestanding")) {
1758 freestanding = truth_value;
1759 } else if (streq(opt, "hosted")) {
1760 freestanding = !truth_value;
1761 } else if (streq(opt, "profile-generate")) {
1762 profile_generate = truth_value;
1763 } else if (streq(opt, "profile-use")) {
1764 profile_use = truth_value;
1765 } else if (!truth_value &&
1766 streq(opt, "asynchronous-unwind-tables")) {
1767 /* nothing todo, a gcc feature which we do not support
1768 * anyway was deactivated */
1769 } else if (streq(opt, "verbose-asm")) {
1770 /* ignore: we always print verbose assembler */
1771 } else if (streq(opt, "jump-tables") ||
1772 streq(opt, "expensive-optimizations") ||
1773 streq(opt, "common") ||
1774 streq(opt, "optimize-sibling-calls") ||
1775 streq(opt, "align-loops") ||
1776 streq(opt, "align-jumps") ||
1777 streq(opt, "align-functions") ||
1778 streq(opt, "PIC") ||
1779 streq(opt, "stack-protector") ||
1780 streq(opt, "stack-protector-all")) {
1781 fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
1783 int res = firm_option(orig_opt);
1785 errorf(NULL, "unknown Firm option '-f%s'", orig_opt);
1786 argument_errors = true;
1791 } else if (option[0] == 'b') {
1793 GET_ARG_AFTER(opt, "-b");
1795 if (streq(opt, "help")) {
1796 fprintf(stderr, "warning: -bhelp is deprecated (use --help-firm)\n");
1799 int res = be_parse_arg(opt);
1801 errorf(NULL, "unknown Firm backend option '-b %s'", opt);
1802 argument_errors = true;
1803 } else if (strstart(opt, "isa=")) {
1804 strncpy(cpu_arch, opt, sizeof(cpu_arch));
1807 } else if (option[0] == 'W') {
1808 if (strstart(option + 1, "a,")) {
1810 GET_ARG_AFTER(opt, "-Wa,");
1811 add_flag(&asflags_obst, "-Wa,%s", opt);
1812 } else if (strstart(option + 1, "p,")) {
1813 // pass options directly to the preprocessor
1815 GET_ARG_AFTER(opt, "-Wp,");
1816 add_flag(&cppflags_obst, "-Wp,%s", opt);
1817 } else if (strstart(option + 1, "l,")) {
1818 // pass options directly to the linker
1820 GET_ARG_AFTER(opt, "-Wl,");
1821 add_flag(&ldflags_obst, "-Wl,%s", opt);
1822 } else if (streq(option + 1, "no-trigraphs")
1823 || streq(option + 1, "undef")
1824 || streq(option + 1, "missing-include-dirs")
1825 || streq(option + 1, "endif-labels")) {
1826 add_flag(&cppflags_obst, "%s", arg);
1827 } else if (streq(option+1, "init-self")) {
1828 /* ignored (same as gcc does) */
1829 } else if (streq(option+1, "format-y2k")
1830 || streq(option+1, "format-security")
1831 || streq(option+1, "old-style-declaration")
1832 || streq(option+1, "type-limits")) {
1833 /* ignore (gcc compatibility) */
1835 set_warning_opt(&option[1]);
1837 } else if (option[0] == 'm') {
1842 GET_ARG_AFTER(opt, "-m");
1843 if (strstart(opt, "target=")) {
1844 GET_ARG_AFTER(opt, "-mtarget=");
1845 if (!parse_target_triple(opt)) {
1846 argument_errors = true;
1848 const char *isa = setup_target_machine();
1849 strncpy(cpu_arch, isa, sizeof(cpu_arch));
1850 target_triple = opt;
1852 } else if (strstart(opt, "triple=")) {
1853 GET_ARG_AFTER(opt, "-mtriple=");
1854 if (!parse_target_triple(opt)) {
1855 argument_errors = true;
1857 const char *isa = setup_target_machine();
1858 strncpy(cpu_arch, isa, sizeof(cpu_arch));
1859 target_triple = opt;
1861 } else if (strstart(opt, "arch=")) {
1862 GET_ARG_AFTER(opt, "-march=");
1863 snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
1864 int res = be_parse_arg(arch_opt);
1865 snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
1866 res &= be_parse_arg(arch_opt);
1869 errorf(NULL, "unknown architecture '%s'", arch_opt);
1870 argument_errors = true;
1872 } else if (strstart(opt, "tune=")) {
1873 GET_ARG_AFTER(opt, "-mtune=");
1874 snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
1875 int res = be_parse_arg(arch_opt);
1877 argument_errors = true;
1878 } else if (strstart(opt, "cpu=")) {
1879 GET_ARG_AFTER(opt, "-mcpu=");
1880 snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
1881 int res = be_parse_arg(arch_opt);
1883 argument_errors = true;
1884 } else if (strstart(opt, "fpmath=")) {
1885 GET_ARG_AFTER(opt, "-mfpmath=");
1886 if (streq(opt, "387"))
1888 else if (streq(opt, "sse"))
1891 errorf(NULL, "option -mfpmath supports only 387 or sse");
1892 argument_errors = true;
1894 if (!argument_errors) {
1895 snprintf(arch_opt, sizeof(arch_opt), "%s-fpunit=%s", cpu_arch, opt);
1896 int res = be_parse_arg(arch_opt);
1898 argument_errors = true;
1900 } else if (strstart(opt, "preferred-stack-boundary=")) {
1901 GET_ARG_AFTER(opt, "-mpreferred-stack-boundary=");
1902 snprintf(arch_opt, sizeof(arch_opt), "%s-stackalign=%s", cpu_arch, opt);
1903 int res = be_parse_arg(arch_opt);
1905 argument_errors = true;
1906 } else if (streq(opt, "rtd")) {
1907 default_calling_convention = CC_STDCALL;
1908 } else if (strstart(opt, "regparm=")) {
1909 errorf(NULL, "regparm convention not supported yet");
1910 argument_errors = true;
1911 } else if (streq(opt, "soft-float")) {
1912 add_flag(&ldflags_obst, "-msoft-float");
1913 snprintf(arch_opt, sizeof(arch_opt), "%s-fpunit=softfloat", cpu_arch);
1914 int res = be_parse_arg(arch_opt);
1916 argument_errors = true;
1917 } else if (streq(opt, "sse2")) {
1918 /* ignore for now, our x86 backend always uses sse when
1919 * sse is requested */
1921 long int value = strtol(opt, NULL, 10);
1923 errorf(NULL, "wrong option '-m %s'", opt);
1924 argument_errors = true;
1925 } else if (value != 16 && value != 32 && value != 64) {
1926 errorf(NULL, "option -m supports only 16, 32 or 64");
1927 argument_errors = true;
1929 unsigned machine_size = (unsigned)value;
1930 /* TODO: choose/change backend based on this */
1931 add_flag(&cppflags_obst, "-m%u", machine_size);
1932 add_flag(&asflags_obst, "-m%u", machine_size);
1933 add_flag(&ldflags_obst, "-m%u", machine_size);
1936 } else if (option[0] == 'X') {
1937 if (streq(option + 1, "assembler")) {
1939 GET_ARG_AFTER(opt, "-Xassembler");
1940 add_flag(&asflags_obst, "-Xassembler");
1941 add_flag(&asflags_obst, opt);
1942 } else if (streq(option + 1, "preprocessor")) {
1944 GET_ARG_AFTER(opt, "-Xpreprocessor");
1945 add_flag(&cppflags_obst, "-Xpreprocessor");
1946 add_flag(&cppflags_obst, opt);
1947 } else if (streq(option + 1, "linker")) {
1949 GET_ARG_AFTER(opt, "-Xlinker");
1950 add_flag(&ldflags_obst, "-Xlinker");
1951 add_flag(&ldflags_obst, opt);
1953 } else if (streq(option, "pg")) {
1954 set_be_option("gprof");
1955 add_flag(&ldflags_obst, "-pg");
1956 } else if (streq(option, "ansi")) {
1957 standard = STANDARD_ANSI;
1958 } else if (streq(option, "pedantic")) {
1959 fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
1960 } else if (strstart(option, "std=")) {
1961 const char *const o = &option[4];
1963 streq(o, "c++") ? STANDARD_CXX98 :
1964 streq(o, "c++98") ? STANDARD_CXX98 :
1965 streq(o, "c11") ? STANDARD_C11 :
1966 streq(o, "c1x") ? STANDARD_C11 : // deprecated
1967 streq(o, "c89") ? STANDARD_C89 :
1968 streq(o, "c90") ? STANDARD_C89 :
1969 streq(o, "c99") ? STANDARD_C99 :
1970 streq(o, "c9x") ? STANDARD_C99 : // deprecated
1971 streq(o, "gnu++98") ? STANDARD_GNUXX98 :
1972 streq(o, "gnu11") ? STANDARD_GNU11 :
1973 streq(o, "gnu1x") ? STANDARD_GNU11 : // deprecated
1974 streq(o, "gnu89") ? STANDARD_GNU89 :
1975 streq(o, "gnu99") ? STANDARD_GNU99 :
1976 streq(o, "gnu9x") ? STANDARD_GNU99 : // deprecated
1977 streq(o, "iso9899:1990") ? STANDARD_C89 :
1978 streq(o, "iso9899:199409") ? STANDARD_C89AMD1 :
1979 streq(o, "iso9899:1999") ? STANDARD_C99 :
1980 streq(o, "iso9899:199x") ? STANDARD_C99 : // deprecated
1981 streq(o, "iso9899:2011") ? STANDARD_C11 :
1982 (fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg), standard);
1983 } else if (streq(option, "version")) {
1984 print_cparser_version();
1985 return EXIT_SUCCESS;
1986 } else if (streq(option, "dumpversion")) {
1987 /* gcc compatibility option */
1988 print_cparser_version_short();
1989 return EXIT_SUCCESS;
1990 } else if (strstart(option, "print-file-name=")) {
1991 GET_ARG_AFTER(print_file_name_file, "-print-file-name=");
1992 } else if (option[0] == '-') {
1993 /* double dash option */
1995 if (streq(option, "gcc")) {
1996 features_on |= _GNUC;
1997 features_off &= ~_GNUC;
1998 } else if (streq(option, "no-gcc")) {
1999 features_on &= ~_GNUC;
2000 features_off |= _GNUC;
2001 } else if (streq(option, "ms")) {
2003 features_off &= ~_MS;
2004 } else if (streq(option, "no-ms")) {
2005 features_on &= ~_MS;
2006 features_off |= _MS;
2007 } else if (streq(option, "strict")) {
2009 } else if (streq(option, "benchmark")) {
2010 mode = BenchmarkParser;
2011 } else if (streq(option, "print-ast")) {
2013 } else if (streq(option, "print-implicit-cast")) {
2014 print_implicit_casts = true;
2015 } else if (streq(option, "print-parenthesis")) {
2016 print_parenthesis = true;
2017 } else if (streq(option, "print-fluffy")) {
2019 } else if (streq(option, "print-compound-sizes")) {
2020 mode = PrintCompoundSizes;
2021 } else if (streq(option, "print-jna")) {
2023 } else if (streq(option, "jna-limit")) {
2026 errorf(NULL, "expected argument after '--jna-limit'");
2027 argument_errors = true;
2030 jna_limit_output(argv[i]);
2031 } else if (streq(option, "jna-libname")) {
2034 errorf(NULL, "expected argument after '--jna-libname'");
2035 argument_errors = true;
2038 jna_set_libname(argv[i]);
2039 } else if (streq(option, "external-pp")) {
2040 if (i+1 < argc && argv[i+1][0] != '-') {
2042 external_preprocessor = argv[i+1];
2044 external_preprocessor = PREPROCESSOR;
2046 } else if (streq(option, "no-external-pp")) {
2047 external_preprocessor = NULL;
2048 } else if (streq(option, "time")) {
2050 print_timing = true;
2051 } else if (streq(option, "statev")) {
2053 produce_statev = true;
2054 } else if (strstart(option, "filtev=")) {
2055 GET_ARG_AFTER(filtev, "--filtev=");
2056 } else if (streq(option, "version")) {
2057 print_cparser_version();
2058 return EXIT_SUCCESS;
2059 } else if (streq(option, "help")) {
2061 } else if (streq(option, "help-parser")) {
2062 help |= HELP_PARSER;
2063 } else if (streq(option, "help-warnings")) {
2064 help |= HELP_WARNINGS;
2065 } else if (streq(option, "help-codegen")) {
2066 help |= HELP_CODEGEN;
2067 } else if (streq(option, "help-linker")) {
2068 help |= HELP_LINKER;
2069 } else if (streq(option, "help-optimization")) {
2070 help |= HELP_OPTIMIZATION;
2071 } else if (streq(option, "help-language-tools")) {
2072 help |= HELP_LANGUAGETOOLS;
2073 } else if (streq(option, "help-debug")) {
2075 } else if (streq(option, "help-firm")) {
2077 } else if (streq(option, "help-all")) {
2079 } else if (streq(option, "dump-function")) {
2082 errorf(NULL, "expected argument after '--dump-function'");
2083 argument_errors = true;
2086 dumpfunction = argv[i];
2088 } else if (streq(option, "export-ir")) {
2089 mode = CompileExportIR;
2090 } else if (streq(option, "unroll-loops")) {
2091 /* ignore (gcc compatibility) */
2093 errorf(NULL, "unknown argument '%s'", arg);
2094 argument_errors = true;
2097 errorf(NULL, "unknown argument '%s'", arg);
2098 argument_errors = true;
2101 compilation_unit_type_t type = forced_unittype;
2102 if (type == COMPILATION_UNIT_AUTODETECT) {
2103 if (streq(arg, "-")) {
2104 /* - implicitly means C source file */
2105 type = COMPILATION_UNIT_C;
2107 const char *suffix = strrchr(arg, '.');
2108 /* Ensure there is at least one char before the suffix */
2109 if (suffix != NULL && suffix != arg) {
2112 streq(suffix, "S") ? COMPILATION_UNIT_ASSEMBLER :
2113 streq(suffix, "a") ? COMPILATION_UNIT_OBJECT :
2114 streq(suffix, "c") ? COMPILATION_UNIT_C :
2115 streq(suffix, "i") ? COMPILATION_UNIT_PREPROCESSED_C :
2116 streq(suffix, "C") ? COMPILATION_UNIT_CXX :
2117 streq(suffix, "cc") ? COMPILATION_UNIT_CXX :
2118 streq(suffix, "cp") ? COMPILATION_UNIT_CXX :
2119 streq(suffix, "cpp") ? COMPILATION_UNIT_CXX :
2120 streq(suffix, "CPP") ? COMPILATION_UNIT_CXX :
2121 streq(suffix, "cxx") ? COMPILATION_UNIT_CXX :
2122 streq(suffix, "c++") ? COMPILATION_UNIT_CXX :
2123 streq(suffix, "ii") ? COMPILATION_UNIT_PREPROCESSED_CXX :
2124 streq(suffix, "h") ? COMPILATION_UNIT_C :
2125 streq(suffix, "ir") ? COMPILATION_UNIT_IR :
2126 streq(suffix, "o") ? COMPILATION_UNIT_OBJECT :
2127 streq(suffix, "s") ? COMPILATION_UNIT_PREPROCESSED_ASSEMBLER :
2128 streq(suffix, "so") ? COMPILATION_UNIT_OBJECT :
2129 COMPILATION_UNIT_OBJECT; /* gcc behavior: unknown file extension means object file */
2134 compilation_unit_t *entry = OALLOCZ(&file_obst, compilation_unit_t);
2138 if (last_unit != NULL) {
2139 last_unit->next = entry;
2147 if (help != HELP_NONE) {
2148 print_help(argv[0], help);
2149 return !argument_errors;
2152 if (print_file_name_file != NULL) {
2153 print_file_name(print_file_name_file);
2154 return EXIT_SUCCESS;
2156 if (units == NULL) {
2157 errorf(NULL, "no input files specified");
2158 argument_errors = true;
2161 if (argument_errors) {
2163 return EXIT_FAILURE;
2166 /* apply some effects from switches */
2167 c_mode |= features_on;
2168 c_mode &= ~features_off;
2169 if (profile_generate) {
2170 add_flag(&ldflags_obst, "-lfirmprof");
2171 set_be_option("profilegenerate");
2174 set_be_option("profileuse");
2177 init_symbol_table();
2178 init_types_and_adjust();
2181 if (c_mode & _CXX) {
2182 init_wchar_types(ATOMIC_TYPE_WCHAR_T);
2184 init_wchar_types(wchar_atomic_kind);
2186 init_preprocessor();
2195 char outnamebuf[4096];
2196 if (outname == NULL) {
2197 const char *filename = units->name;
2200 case BenchmarkParser:
2204 case PrintCompoundSizes:
2205 case PreprocessOnly:
2210 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".s");
2211 outname = outnamebuf;
2213 case CompileAssemble:
2214 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".o");
2215 outname = outnamebuf;
2218 get_output_name(outnamebuf, sizeof(outnamebuf), dumpfunction,
2220 outname = outnamebuf;
2222 case CompileExportIR:
2223 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".ir");
2224 outname = outnamebuf;
2226 case CompileAssembleLink:
2227 if (firm_is_windows_os(target_machine)) {
2236 assert(outname != NULL);
2239 if (streq(outname, "-")) {
2242 out = fopen(outname, "w");
2244 position_t const pos = { outname, 0, 0, 0 };
2245 errorf(&pos, "could not open for writing: %s", strerror(errno));
2246 return EXIT_FAILURE;
2250 if (produce_statev && units != NULL) {
2251 /* attempt to guess a good name for the file */
2252 const char *first_cup = units->name;
2253 if (first_cup != NULL) {
2254 const char *dot = strrchr(first_cup, '.');
2255 const char *pos = dot ? dot : first_cup + strlen(first_cup);
2256 char buf[pos-first_cup+1];
2257 strncpy(buf, first_cup, pos-first_cup);
2258 buf[pos-first_cup] = '\0';
2260 stat_ev_begin(buf, filtev);
2264 int result = compilation_loop(mode, units, standard, out);
2265 if (stat_ev_enabled) {
2269 if (result != EXIT_SUCCESS) {
2275 /* link program file */
2276 if (mode == CompileAssembleLink) {
2277 int result = link_program(units);
2278 if (result != EXIT_SUCCESS) {
2286 timer_term(print_timing ? stderr : NULL);
2289 obstack_free(&cppflags_obst, NULL);
2290 obstack_free(&ldflags_obst, NULL);
2291 obstack_free(&asflags_obst, NULL);
2292 obstack_free(&file_obst, NULL);
2299 exit_preprocessor();
2303 exit_symbol_table();
2304 return EXIT_SUCCESS;