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 *const type_ld = be_params->type_long_double;
981 set_typeprops_type(&props[ATOMIC_TYPE_LONG_DOUBLE], type_ld);
982 atomic_modes[ATOMIC_TYPE_LONG_DOUBLE] = get_type_mode(type_ld);
985 ir_type *const type_ll = be_params->type_long_long;
987 set_typeprops_type(&props[ATOMIC_TYPE_LONGLONG], type_ll);
989 ir_type *const type_ull = be_params->type_unsigned_long_long;
991 set_typeprops_type(&props[ATOMIC_TYPE_ULONGLONG], type_ull);
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 */
1037 copy_typeprops(&props[ATOMIC_TYPE_LONGLONG], &props[ATOMIC_TYPE_LONG]);
1040 copy_typeprops(&props[ATOMIC_TYPE_ULONGLONG],
1041 &props[ATOMIC_TYPE_ULONG]);
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 if (!open_input(unit)) {
1268 result = EXIT_FAILURE;
1271 if (ir_import_file(unit->input, unit->name)) {
1272 position_t const pos = { inputname, 0, 0, 0 };
1273 errorf(&pos, "import of firm graph failed");
1274 result = EXIT_FAILURE;
1277 unit->type = COMPILATION_UNIT_INTERMEDIATE_REPRESENTATION;
1280 case COMPILATION_UNIT_ASSEMBLER: {
1281 if (external_preprocessor == NULL) {
1282 panic("preprocessed assembler not possible with internal preprocessor yet");
1284 if (!run_external_preprocessor(unit)) {
1285 result = EXIT_FAILURE;
1288 /* write file to output... */
1290 if (mode == PreprocessOnly) {
1293 asm_out = make_temp_file("ccs", &unit->name);
1295 assert(unit->input != NULL);
1296 assert(unit->input_is_pipe);
1297 copy_file(asm_out, unit->input);
1300 unit->type = COMPILATION_UNIT_PREPROCESSED_ASSEMBLER;
1303 case COMPILATION_UNIT_C:
1304 case COMPILATION_UNIT_CXX:
1305 if (external_preprocessor != NULL) {
1306 if (!run_external_preprocessor(unit)) {
1307 result = EXIT_FAILURE;
1314 case COMPILATION_UNIT_PREPROCESSED_C:
1315 case COMPILATION_UNIT_PREPROCESSED_CXX: {
1316 if (!open_input(unit)) {
1317 result = EXIT_FAILURE;
1322 if (mode == PreprocessOnly) {
1323 if (!output_preprocessor_tokens(unit, out)) {
1324 result = EXIT_FAILURE;
1330 /* do the actual parsing */
1334 case COMPILATION_UNIT_AST:
1335 /* prints the AST even if errors occurred */
1336 if (mode == PrintAst) {
1338 print_ast(unit->ast);
1340 if (unit->parse_errors) {
1341 result = EXIT_FAILURE;
1345 if (mode == BenchmarkParser) {
1347 } else if (mode == PrintFluffy) {
1348 write_fluffy_decls(out, unit->ast);
1350 } else if (mode == PrintJna) {
1351 write_jna_decls(out, unit->ast);
1353 } else if (mode == PrintCompoundSizes) {
1354 write_compoundsizes(out, unit->ast);
1358 /* build the firm graph */
1359 ir_timer_t *t_construct = ir_timer_new();
1360 timer_register(t_construct, "Frontend: Graph construction");
1361 timer_start(t_construct);
1362 if (already_constructed_firm) {
1363 panic("compiling multiple files/translation units not possible");
1365 init_implicit_optimizations();
1366 translation_unit_to_firm(unit->ast);
1367 already_constructed_firm = true;
1368 timer_stop(t_construct);
1369 if (stat_ev_enabled) {
1370 stat_ev_dbl("time_graph_construction", ir_timer_elapsed_sec(t_construct));
1371 stat_ev_int("size_graph_construction", count_firm_nodes());
1373 unit->type = COMPILATION_UNIT_INTERMEDIATE_REPRESENTATION;
1376 case COMPILATION_UNIT_INTERMEDIATE_REPRESENTATION:
1377 if (mode == ParseOnly)
1380 if (mode == CompileDump) {
1382 ident *id = new_id_from_str(dumpfunction);
1383 ir_graph *irg = NULL;
1384 int n_irgs = get_irp_n_irgs();
1385 for (int i = 0; i < n_irgs; ++i) {
1386 ir_graph *tirg = get_irp_irg(i);
1387 ident *irg_id = get_entity_ident(get_irg_entity(tirg));
1395 errorf(NULL, "no graph for function '%s' found", dumpfunction);
1396 return EXIT_FAILURE;
1399 dump_ir_graph_file(out, irg);
1401 return EXIT_SUCCESS;
1404 if (mode == CompileExportIR) {
1405 ir_export_file(out);
1406 if (ferror(out) != 0) {
1407 errorf(NULL, "writing to output failed");
1408 return EXIT_FAILURE;
1410 return EXIT_SUCCESS;
1414 if (mode == Compile) {
1417 asm_out = make_temp_file("ccs", &unit->name);
1419 ir_timer_t *t_opt_codegen = ir_timer_new();
1420 timer_register(t_opt_codegen, "Optimization and Codegeneration");
1421 timer_start(t_opt_codegen);
1422 generate_code(asm_out, inputname);
1423 timer_stop(t_opt_codegen);
1424 if (stat_ev_enabled) {
1425 stat_ev_dbl("time_opt_codegen", ir_timer_elapsed_sec(t_opt_codegen));
1427 if (asm_out != out) {
1430 unit->type = COMPILATION_UNIT_PREPROCESSED_ASSEMBLER;
1432 case COMPILATION_UNIT_PREPROCESSED_ASSEMBLER:
1433 if (mode != CompileAssemble && mode != CompileAssembleLink)
1437 const char *input = unit->name;
1438 if (mode == CompileAssemble) {
1440 unit->name = outname;
1442 FILE *tempf = make_temp_file("cco", &unit->name);
1447 assemble(unit->name, input);
1449 unit->type = COMPILATION_UNIT_OBJECT;
1451 case COMPILATION_UNIT_UNKNOWN:
1452 case COMPILATION_UNIT_AUTODETECT:
1453 case COMPILATION_UNIT_OBJECT:
1457 stat_ev_ctx_pop("compilation_unit");
1462 static int link_program(compilation_unit_t *units)
1464 obstack_1grow(&ldflags_obst, '\0');
1465 const char *flags = obstack_finish(&ldflags_obst);
1467 /* construct commandline */
1468 const char *linker = getenv("CPARSER_LINK");
1469 if (linker != NULL) {
1470 obstack_printf(&file_obst, "%s ", linker);
1472 if (target_triple != NULL)
1473 obstack_printf(&file_obst, "%s-", target_triple);
1474 obstack_printf(&file_obst, "%s ", LINKER);
1477 for (compilation_unit_t *unit = units; unit != NULL; unit = unit->next) {
1478 if (unit->type != COMPILATION_UNIT_OBJECT)
1481 add_flag(&file_obst, "%s", unit->name);
1484 add_flag(&file_obst, "-o");
1485 add_flag(&file_obst, outname);
1486 obstack_printf(&file_obst, "%s", flags);
1487 obstack_1grow(&file_obst, '\0');
1489 char *commandline = obstack_finish(&file_obst);
1494 int err = system(commandline);
1495 if (err != EXIT_SUCCESS) {
1496 errorf(NULL, "linker reported an error");
1497 return EXIT_FAILURE;
1499 return EXIT_SUCCESS;
1502 int main(int argc, char **argv)
1504 const char *print_file_name_file = NULL;
1505 compile_mode_t mode = CompileAssembleLink;
1507 char cpu_arch[16] = "ia32";
1508 compilation_unit_t *units = NULL;
1509 compilation_unit_t *last_unit = NULL;
1510 bool produce_statev = false;
1511 const char *filtev = NULL;
1512 bool profile_generate = false;
1513 bool profile_use = false;
1514 bool do_timing = false;
1515 bool print_timing = false;
1517 /* hack for now... */
1518 if (strstr(argv[0], "pptest") != NULL) {
1519 extern int pptest_main(int argc, char **argv);
1520 return pptest_main(argc, argv);
1523 temp_files = NEW_ARR_F(char*, 0);
1524 atexit(free_temp_files);
1526 obstack_init(&cppflags_obst);
1527 obstack_init(&ldflags_obst);
1528 obstack_init(&asflags_obst);
1529 obstack_init(&file_obst);
1530 init_include_paths();
1532 #define GET_ARG_AFTER(def, args) \
1534 def = &arg[sizeof(args)-1]; \
1535 if (def[0] == '\0') { \
1538 errorf(NULL, "expected argument after '" args "'"); \
1539 argument_errors = true; \
1543 if (def[0] == '-' && def[1] != '\0') { \
1544 errorf(NULL, "expected argument after '" args "'"); \
1545 argument_errors = true; \
1551 #define SINGLE_OPTION(ch) (option[0] == (ch) && option[1] == '\0')
1553 /* initialize this early because it has to parse options */
1556 /* early options parsing (find out optimization level and OS) */
1557 for (int i = 1; i < argc; ++i) {
1558 const char *arg = argv[i];
1562 const char *option = &arg[1];
1563 if (option[0] == 'O') {
1564 sscanf(&option[1], "%d", &opt_level);
1568 if (target_machine == NULL) {
1569 target_machine = firm_get_host_machine();
1571 choose_optimization_pack(opt_level);
1572 setup_target_machine();
1574 /* parse rest of options */
1575 lang_standard_t standard = STANDARD_DEFAULT;
1576 compilation_unit_type_t forced_unittype = COMPILATION_UNIT_AUTODETECT;
1577 help_sections_t help = HELP_NONE;
1578 bool argument_errors = false;
1579 for (int i = 1; i < argc; ++i) {
1580 const char *arg = argv[i];
1581 if (arg[0] == '-' && arg[1] != '\0') {
1583 const char *option = &arg[1];
1584 if (option[0] == 'o') {
1585 GET_ARG_AFTER(outname, "-o");
1586 } else if (option[0] == 'g') {
1587 /* TODO: parse -gX with 0<=X<=3... */
1588 set_be_option("debug=frameinfo");
1589 set_be_option("ia32-optcc=false");
1590 } else if (SINGLE_OPTION('c')) {
1591 mode = CompileAssemble;
1592 } else if (SINGLE_OPTION('E')) {
1593 mode = PreprocessOnly;
1594 } else if (SINGLE_OPTION('s')) {
1595 add_flag(&ldflags_obst, "-s");
1596 } else if (SINGLE_OPTION('S')) {
1598 } else if (option[0] == 'O') {
1600 } else if (option[0] == 'I') {
1602 GET_ARG_AFTER(opt, "-I");
1603 add_flag(&cppflags_obst, "-I%s", opt);
1604 append_include_path(&bracket_searchpath, opt);
1605 } else if (option[0] == 'D') {
1607 GET_ARG_AFTER(opt, "-D");
1608 add_flag(&cppflags_obst, "-D%s", opt);
1609 } else if (option[0] == 'U') {
1611 GET_ARG_AFTER(opt, "-U");
1612 add_flag(&cppflags_obst, "-U%s", opt);
1613 } else if (option[0] == 'l') {
1615 GET_ARG_AFTER(opt, "-l");
1616 add_flag(&ldflags_obst, "-l%s", opt);
1617 } else if (option[0] == 'L') {
1619 GET_ARG_AFTER(opt, "-L");
1620 add_flag(&ldflags_obst, "-L%s", opt);
1621 } else if (SINGLE_OPTION('v')) {
1623 } else if (SINGLE_OPTION('w')) {
1624 add_flag(&cppflags_obst, "-w");
1625 disable_all_warnings();
1626 } else if (option[0] == 'x') {
1628 GET_ARG_AFTER(opt, "-x");
1629 forced_unittype = get_unit_type_from_string(opt);
1630 if (forced_unittype == COMPILATION_UNIT_UNKNOWN) {
1631 errorf(NULL, "unknown language '%s'", opt);
1632 argument_errors = true;
1634 } else if (SINGLE_OPTION('M')) {
1635 mode = PreprocessOnly;
1636 add_flag(&cppflags_obst, "-M");
1637 } else if (streq(option, "MMD") ||
1638 streq(option, "MD")) {
1639 construct_dep_target = true;
1640 add_flag(&cppflags_obst, "-%s", option);
1641 } else if (streq(option, "MM") ||
1642 streq(option, "MP")) {
1643 add_flag(&cppflags_obst, "-%s", option);
1644 } else if (streq(option, "MT") ||
1645 streq(option, "MQ") ||
1646 streq(option, "MF")) {
1648 GET_ARG_AFTER(opt, "-MT");
1649 add_flag(&cppflags_obst, "-%s", option);
1650 add_flag(&cppflags_obst, "%s", opt);
1651 } else if (streq(option, "include")) {
1653 GET_ARG_AFTER(opt, "-include");
1654 add_flag(&cppflags_obst, "-include");
1655 add_flag(&cppflags_obst, "%s", opt);
1656 } else if (streq(option, "idirafter")) {
1658 GET_ARG_AFTER(opt, "-idirafter");
1659 add_flag(&cppflags_obst, "-idirafter");
1660 add_flag(&cppflags_obst, "%s", opt);
1661 append_include_path(&after_searchpath, opt);
1662 } else if (streq(option, "isystem")) {
1664 GET_ARG_AFTER(opt, "-isystem");
1665 add_flag(&cppflags_obst, "-isystem");
1666 add_flag(&cppflags_obst, "%s", opt);
1667 append_include_path(&system_searchpath, opt);
1668 } else if (streq(option, "iquote")) {
1670 GET_ARG_AFTER(opt, "-iquote");
1671 add_flag(&cppflags_obst, "-iquote");
1672 add_flag(&cppflags_obst, "%s", opt);
1673 append_include_path("e_searchpath, opt);
1674 } else if (streq(option, "pthread")) {
1675 /* set flags for the preprocessor */
1676 add_flag(&cppflags_obst, "-D_REENTRANT");
1677 /* set flags for the linker */
1678 add_flag(&ldflags_obst, "-lpthread");
1679 } else if (streq(option, "nostdinc")
1680 || streq(option, "trigraphs")) {
1681 /* pass these through to the preprocessor */
1682 add_flag(&cppflags_obst, "%s", arg);
1683 } else if (streq(option, "pipe")) {
1684 /* here for gcc compatibility */
1685 } else if (streq(option, "static")) {
1686 add_flag(&ldflags_obst, "-static");
1687 } else if (streq(option, "shared")) {
1688 add_flag(&ldflags_obst, "-shared");
1689 } else if (option[0] == 'f') {
1690 char const *orig_opt;
1691 GET_ARG_AFTER(orig_opt, "-f");
1693 if (strstart(orig_opt, "input-charset=")) {
1694 char const* const encoding = strchr(orig_opt, '=') + 1;
1695 input_encoding = encoding;
1696 } else if (strstart(orig_opt, "align-loops=") ||
1697 strstart(orig_opt, "align-jumps=") ||
1698 strstart(orig_opt, "align-functions=")) {
1699 fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
1700 } else if (strstart(orig_opt, "visibility=")) {
1701 const char *val = strchr(orig_opt, '=')+1;
1702 elf_visibility_tag_t visibility
1703 = get_elf_visibility_from_string(val);
1704 if (visibility == ELF_VISIBILITY_ERROR) {
1705 errorf(NULL, "invalid visibility '%s' specified", val);
1706 argument_errors = true;
1708 set_default_visibility(visibility);
1710 } else if (strstart(orig_opt, "message-length=")) {
1711 /* ignore: would only affect error message format */
1712 } else if (streq(orig_opt, "fast-math") ||
1713 streq(orig_opt, "fp-fast")) {
1714 firm_fp_model = fp_model_fast;
1715 } else if (streq(orig_opt, "fp-precise")) {
1716 firm_fp_model = fp_model_precise;
1717 } else if (streq(orig_opt, "fp-strict")) {
1718 firm_fp_model = fp_model_strict;
1719 } else if (streq(orig_opt, "help")) {
1720 fprintf(stderr, "warning: -fhelp is deprecated\n");
1721 help |= HELP_OPTIMIZATION;
1723 /* -f options which have an -fno- variant */
1724 char const *opt = orig_opt;
1725 bool truth_value = true;
1726 if (opt[0] == 'n' && opt[1] == 'o' && opt[2] == '-') {
1727 truth_value = false;
1731 if (streq(opt, "diagnostics-show-option")) {
1732 diagnostics_show_option = truth_value;
1733 } else if (streq(opt, "dollars-in-identifiers")) {
1734 allow_dollar_in_symbol = truth_value;
1735 } else if (streq(opt, "omit-frame-pointer")) {
1736 set_be_option(truth_value ? "omitfp" : "omitfp=no");
1737 } else if (streq(opt, "short-wchar")) {
1738 wchar_atomic_kind = truth_value ? ATOMIC_TYPE_USHORT
1740 } else if (streq(opt, "show-column")) {
1741 show_column = truth_value;
1742 } else if (streq(opt, "signed-char")) {
1743 char_is_signed = truth_value;
1744 } else if (streq(opt, "strength-reduce")) {
1745 /* does nothing, for gcc compatibility (even gcc does
1746 * nothing for this switch anymore) */
1747 } else if (streq(opt, "syntax-only")) {
1748 mode = truth_value ? ParseOnly : CompileAssembleLink;
1749 } else if (streq(opt, "unsigned-char")) {
1750 char_is_signed = !truth_value;
1751 } else if (streq(opt, "freestanding")) {
1752 freestanding = truth_value;
1753 } else if (streq(opt, "hosted")) {
1754 freestanding = !truth_value;
1755 } else if (streq(opt, "profile-generate")) {
1756 profile_generate = truth_value;
1757 } else if (streq(opt, "profile-use")) {
1758 profile_use = truth_value;
1759 } else if (!truth_value &&
1760 streq(opt, "asynchronous-unwind-tables")) {
1761 /* nothing todo, a gcc feature which we do not support
1762 * anyway was deactivated */
1763 } else if (streq(opt, "verbose-asm")) {
1764 /* ignore: we always print verbose assembler */
1765 } else if (streq(opt, "jump-tables") ||
1766 streq(opt, "expensive-optimizations") ||
1767 streq(opt, "common") ||
1768 streq(opt, "optimize-sibling-calls") ||
1769 streq(opt, "align-loops") ||
1770 streq(opt, "align-jumps") ||
1771 streq(opt, "align-functions") ||
1772 streq(opt, "PIC") ||
1773 streq(opt, "stack-protector") ||
1774 streq(opt, "stack-protector-all")) {
1775 fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
1777 if (firm_option(orig_opt) == 0) {
1778 errorf(NULL, "unknown Firm option '-f%s'", orig_opt);
1779 argument_errors = true;
1784 } else if (option[0] == 'b') {
1786 GET_ARG_AFTER(opt, "-b");
1788 if (streq(opt, "help")) {
1789 fprintf(stderr, "warning: -bhelp is deprecated (use --help-firm)\n");
1792 if (be_parse_arg(opt) == 0) {
1793 errorf(NULL, "unknown Firm backend option '-b %s'", opt);
1794 argument_errors = true;
1795 } else if (strstart(opt, "isa=")) {
1796 strncpy(cpu_arch, opt, sizeof(cpu_arch));
1799 } else if (option[0] == 'W') {
1800 if (strstart(option + 1, "a,")) {
1802 GET_ARG_AFTER(opt, "-Wa,");
1803 add_flag(&asflags_obst, "-Wa,%s", opt);
1804 } else if (strstart(option + 1, "p,")) {
1805 // pass options directly to the preprocessor
1807 GET_ARG_AFTER(opt, "-Wp,");
1808 add_flag(&cppflags_obst, "-Wp,%s", opt);
1809 } else if (strstart(option + 1, "l,")) {
1810 // pass options directly to the linker
1812 GET_ARG_AFTER(opt, "-Wl,");
1813 add_flag(&ldflags_obst, "-Wl,%s", opt);
1814 } else if (streq(option + 1, "no-trigraphs")
1815 || streq(option + 1, "undef")
1816 || streq(option + 1, "missing-include-dirs")
1817 || streq(option + 1, "endif-labels")) {
1818 add_flag(&cppflags_obst, "%s", arg);
1819 } else if (streq(option+1, "init-self")) {
1820 /* ignored (same as gcc does) */
1821 } else if (streq(option+1, "format-y2k")
1822 || streq(option+1, "format-security")
1823 || streq(option+1, "old-style-declaration")
1824 || streq(option+1, "type-limits")) {
1825 /* ignore (gcc compatibility) */
1827 set_warning_opt(&option[1]);
1829 } else if (option[0] == 'm') {
1834 GET_ARG_AFTER(opt, "-m");
1835 if (strstart(opt, "target=")) {
1836 GET_ARG_AFTER(opt, "-mtarget=");
1837 if (!parse_target_triple(opt)) {
1838 argument_errors = true;
1840 const char *isa = setup_target_machine();
1841 strncpy(cpu_arch, isa, sizeof(cpu_arch));
1842 target_triple = opt;
1844 } else if (strstart(opt, "triple=")) {
1845 GET_ARG_AFTER(opt, "-mtriple=");
1846 if (!parse_target_triple(opt)) {
1847 argument_errors = true;
1849 const char *isa = setup_target_machine();
1850 strncpy(cpu_arch, isa, sizeof(cpu_arch));
1851 target_triple = opt;
1853 } else if (strstart(opt, "arch=")) {
1854 GET_ARG_AFTER(opt, "-march=");
1855 snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
1856 int res = be_parse_arg(arch_opt);
1857 snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
1858 res &= be_parse_arg(arch_opt);
1861 errorf(NULL, "unknown architecture '%s'", arch_opt);
1862 argument_errors = true;
1864 } else if (strstart(opt, "tune=")) {
1865 GET_ARG_AFTER(opt, "-mtune=");
1866 snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
1867 if (be_parse_arg(arch_opt) == 0)
1868 argument_errors = true;
1869 } else if (strstart(opt, "cpu=")) {
1870 GET_ARG_AFTER(opt, "-mcpu=");
1871 snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
1872 if (be_parse_arg(arch_opt) == 0)
1873 argument_errors = true;
1874 } else if (strstart(opt, "fpmath=")) {
1875 GET_ARG_AFTER(opt, "-mfpmath=");
1876 if (streq(opt, "387"))
1878 else if (streq(opt, "sse"))
1881 errorf(NULL, "option -mfpmath supports only 387 or sse");
1882 argument_errors = true;
1884 if (!argument_errors) {
1885 snprintf(arch_opt, sizeof(arch_opt), "%s-fpunit=%s", cpu_arch, opt);
1886 if (be_parse_arg(arch_opt) == 0)
1887 argument_errors = true;
1889 } else if (strstart(opt, "preferred-stack-boundary=")) {
1890 GET_ARG_AFTER(opt, "-mpreferred-stack-boundary=");
1891 snprintf(arch_opt, sizeof(arch_opt), "%s-stackalign=%s", cpu_arch, opt);
1892 if (be_parse_arg(arch_opt) == 0)
1893 argument_errors = true;
1894 } else if (streq(opt, "rtd")) {
1895 default_calling_convention = CC_STDCALL;
1896 } else if (strstart(opt, "regparm=")) {
1897 errorf(NULL, "regparm convention not supported yet");
1898 argument_errors = true;
1899 } else if (streq(opt, "soft-float")) {
1900 add_flag(&ldflags_obst, "-msoft-float");
1901 snprintf(arch_opt, sizeof(arch_opt), "%s-fpunit=softfloat", cpu_arch);
1902 if (be_parse_arg(arch_opt) == 0)
1903 argument_errors = true;
1904 } else if (streq(opt, "sse2")) {
1905 /* ignore for now, our x86 backend always uses sse when
1906 * sse is requested */
1908 long int value = strtol(opt, NULL, 10);
1910 errorf(NULL, "wrong option '-m %s'", opt);
1911 argument_errors = true;
1912 } else if (value != 16 && value != 32 && value != 64) {
1913 errorf(NULL, "option -m supports only 16, 32 or 64");
1914 argument_errors = true;
1916 unsigned machine_size = (unsigned)value;
1917 /* TODO: choose/change backend based on this */
1918 add_flag(&cppflags_obst, "-m%u", machine_size);
1919 add_flag(&asflags_obst, "-m%u", machine_size);
1920 add_flag(&ldflags_obst, "-m%u", machine_size);
1923 } else if (option[0] == 'X') {
1924 if (streq(option + 1, "assembler")) {
1926 GET_ARG_AFTER(opt, "-Xassembler");
1927 add_flag(&asflags_obst, "-Xassembler");
1928 add_flag(&asflags_obst, opt);
1929 } else if (streq(option + 1, "preprocessor")) {
1931 GET_ARG_AFTER(opt, "-Xpreprocessor");
1932 add_flag(&cppflags_obst, "-Xpreprocessor");
1933 add_flag(&cppflags_obst, opt);
1934 } else if (streq(option + 1, "linker")) {
1936 GET_ARG_AFTER(opt, "-Xlinker");
1937 add_flag(&ldflags_obst, "-Xlinker");
1938 add_flag(&ldflags_obst, opt);
1940 } else if (streq(option, "pg")) {
1941 set_be_option("gprof");
1942 add_flag(&ldflags_obst, "-pg");
1943 } else if (streq(option, "ansi")) {
1944 standard = STANDARD_ANSI;
1945 } else if (streq(option, "pedantic")) {
1946 fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
1947 } else if (strstart(option, "std=")) {
1948 const char *const o = &option[4];
1950 streq(o, "c++") ? STANDARD_CXX98 :
1951 streq(o, "c++98") ? STANDARD_CXX98 :
1952 streq(o, "c11") ? STANDARD_C11 :
1953 streq(o, "c1x") ? STANDARD_C11 : // deprecated
1954 streq(o, "c89") ? STANDARD_C89 :
1955 streq(o, "c90") ? STANDARD_C89 :
1956 streq(o, "c99") ? STANDARD_C99 :
1957 streq(o, "c9x") ? STANDARD_C99 : // deprecated
1958 streq(o, "gnu++98") ? STANDARD_GNUXX98 :
1959 streq(o, "gnu11") ? STANDARD_GNU11 :
1960 streq(o, "gnu1x") ? STANDARD_GNU11 : // deprecated
1961 streq(o, "gnu89") ? STANDARD_GNU89 :
1962 streq(o, "gnu99") ? STANDARD_GNU99 :
1963 streq(o, "gnu9x") ? STANDARD_GNU99 : // deprecated
1964 streq(o, "iso9899:1990") ? STANDARD_C89 :
1965 streq(o, "iso9899:199409") ? STANDARD_C89AMD1 :
1966 streq(o, "iso9899:1999") ? STANDARD_C99 :
1967 streq(o, "iso9899:199x") ? STANDARD_C99 : // deprecated
1968 streq(o, "iso9899:2011") ? STANDARD_C11 :
1969 (fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg), standard);
1970 } else if (streq(option, "version")) {
1971 print_cparser_version();
1972 return EXIT_SUCCESS;
1973 } else if (streq(option, "dumpversion")) {
1974 /* gcc compatibility option */
1975 print_cparser_version_short();
1976 return EXIT_SUCCESS;
1977 } else if (strstart(option, "print-file-name=")) {
1978 GET_ARG_AFTER(print_file_name_file, "-print-file-name=");
1979 } else if (option[0] == '-') {
1980 /* double dash option */
1982 if (streq(option, "gcc")) {
1983 features_on |= _GNUC;
1984 features_off &= ~_GNUC;
1985 } else if (streq(option, "no-gcc")) {
1986 features_on &= ~_GNUC;
1987 features_off |= _GNUC;
1988 } else if (streq(option, "ms")) {
1990 features_off &= ~_MS;
1991 } else if (streq(option, "no-ms")) {
1992 features_on &= ~_MS;
1993 features_off |= _MS;
1994 } else if (streq(option, "strict")) {
1996 } else if (streq(option, "benchmark")) {
1997 mode = BenchmarkParser;
1998 } else if (streq(option, "print-ast")) {
2000 } else if (streq(option, "print-implicit-cast")) {
2001 print_implicit_casts = true;
2002 } else if (streq(option, "print-parenthesis")) {
2003 print_parenthesis = true;
2004 } else if (streq(option, "print-fluffy")) {
2006 } else if (streq(option, "print-compound-sizes")) {
2007 mode = PrintCompoundSizes;
2008 } else if (streq(option, "print-jna")) {
2010 } else if (streq(option, "jna-limit")) {
2013 errorf(NULL, "expected argument after '--jna-limit'");
2014 argument_errors = true;
2017 jna_limit_output(argv[i]);
2018 } else if (streq(option, "jna-libname")) {
2021 errorf(NULL, "expected argument after '--jna-libname'");
2022 argument_errors = true;
2025 jna_set_libname(argv[i]);
2026 } else if (streq(option, "external-pp")) {
2027 if (i+1 < argc && argv[i+1][0] != '-') {
2029 external_preprocessor = argv[i+1];
2031 external_preprocessor = PREPROCESSOR;
2033 } else if (streq(option, "no-external-pp")) {
2034 external_preprocessor = NULL;
2035 } else if (streq(option, "time")) {
2037 print_timing = true;
2038 } else if (streq(option, "statev")) {
2040 produce_statev = true;
2041 } else if (strstart(option, "filtev=")) {
2042 GET_ARG_AFTER(filtev, "--filtev=");
2043 } else if (streq(option, "version")) {
2044 print_cparser_version();
2045 return EXIT_SUCCESS;
2046 } else if (streq(option, "help")) {
2048 } else if (streq(option, "help-parser")) {
2049 help |= HELP_PARSER;
2050 } else if (streq(option, "help-warnings")) {
2051 help |= HELP_WARNINGS;
2052 } else if (streq(option, "help-codegen")) {
2053 help |= HELP_CODEGEN;
2054 } else if (streq(option, "help-linker")) {
2055 help |= HELP_LINKER;
2056 } else if (streq(option, "help-optimization")) {
2057 help |= HELP_OPTIMIZATION;
2058 } else if (streq(option, "help-language-tools")) {
2059 help |= HELP_LANGUAGETOOLS;
2060 } else if (streq(option, "help-debug")) {
2062 } else if (streq(option, "help-firm")) {
2064 } else if (streq(option, "help-all")) {
2066 } else if (streq(option, "dump-function")) {
2069 errorf(NULL, "expected argument after '--dump-function'");
2070 argument_errors = true;
2073 dumpfunction = argv[i];
2075 } else if (streq(option, "export-ir")) {
2076 mode = CompileExportIR;
2077 } else if (streq(option, "unroll-loops")) {
2078 /* ignore (gcc compatibility) */
2080 errorf(NULL, "unknown argument '%s'", arg);
2081 argument_errors = true;
2084 errorf(NULL, "unknown argument '%s'", arg);
2085 argument_errors = true;
2088 compilation_unit_type_t type = forced_unittype;
2089 if (type == COMPILATION_UNIT_AUTODETECT) {
2090 if (streq(arg, "-")) {
2091 /* - implicitly means C source file */
2092 type = COMPILATION_UNIT_C;
2094 const char *suffix = strrchr(arg, '.');
2095 /* Ensure there is at least one char before the suffix */
2096 if (suffix != NULL && suffix != arg) {
2099 streq(suffix, "S") ? COMPILATION_UNIT_ASSEMBLER :
2100 streq(suffix, "a") ? COMPILATION_UNIT_OBJECT :
2101 streq(suffix, "c") ? COMPILATION_UNIT_C :
2102 streq(suffix, "i") ? COMPILATION_UNIT_PREPROCESSED_C :
2103 streq(suffix, "C") ? COMPILATION_UNIT_CXX :
2104 streq(suffix, "cc") ? COMPILATION_UNIT_CXX :
2105 streq(suffix, "cp") ? COMPILATION_UNIT_CXX :
2106 streq(suffix, "cpp") ? COMPILATION_UNIT_CXX :
2107 streq(suffix, "CPP") ? COMPILATION_UNIT_CXX :
2108 streq(suffix, "cxx") ? COMPILATION_UNIT_CXX :
2109 streq(suffix, "c++") ? COMPILATION_UNIT_CXX :
2110 streq(suffix, "ii") ? COMPILATION_UNIT_PREPROCESSED_CXX :
2111 streq(suffix, "h") ? COMPILATION_UNIT_C :
2112 streq(suffix, "ir") ? COMPILATION_UNIT_IR :
2113 streq(suffix, "o") ? COMPILATION_UNIT_OBJECT :
2114 streq(suffix, "s") ? COMPILATION_UNIT_PREPROCESSED_ASSEMBLER :
2115 streq(suffix, "so") ? COMPILATION_UNIT_OBJECT :
2116 COMPILATION_UNIT_OBJECT; /* gcc behavior: unknown file extension means object file */
2121 compilation_unit_t *entry = OALLOCZ(&file_obst, compilation_unit_t);
2125 if (last_unit != NULL) {
2126 last_unit->next = entry;
2134 if (help != HELP_NONE) {
2135 print_help(argv[0], help);
2136 return !argument_errors;
2139 if (print_file_name_file != NULL) {
2140 print_file_name(print_file_name_file);
2141 return EXIT_SUCCESS;
2143 if (units == NULL) {
2144 errorf(NULL, "no input files specified");
2145 argument_errors = true;
2148 if (argument_errors) {
2150 return EXIT_FAILURE;
2153 /* apply some effects from switches */
2154 c_mode |= features_on;
2155 c_mode &= ~features_off;
2156 if (profile_generate) {
2157 add_flag(&ldflags_obst, "-lfirmprof");
2158 set_be_option("profilegenerate");
2161 set_be_option("profileuse");
2164 init_symbol_table();
2165 init_types_and_adjust();
2168 if (c_mode & _CXX) {
2169 init_wchar_types(ATOMIC_TYPE_WCHAR_T);
2171 init_wchar_types(wchar_atomic_kind);
2173 init_preprocessor();
2182 char outnamebuf[4096];
2183 if (outname == NULL) {
2184 const char *filename = units->name;
2187 case BenchmarkParser:
2191 case PrintCompoundSizes:
2192 case PreprocessOnly:
2197 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".s");
2198 outname = outnamebuf;
2200 case CompileAssemble:
2201 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".o");
2202 outname = outnamebuf;
2205 get_output_name(outnamebuf, sizeof(outnamebuf), dumpfunction,
2207 outname = outnamebuf;
2209 case CompileExportIR:
2210 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".ir");
2211 outname = outnamebuf;
2213 case CompileAssembleLink:
2214 if (firm_is_windows_os(target_machine)) {
2223 assert(outname != NULL);
2226 if (streq(outname, "-")) {
2229 out = fopen(outname, "w");
2231 position_t const pos = { outname, 0, 0, 0 };
2232 errorf(&pos, "could not open for writing: %s", strerror(errno));
2233 return EXIT_FAILURE;
2237 if (produce_statev && units != NULL) {
2238 /* attempt to guess a good name for the file */
2239 const char *first_cup = units->name;
2240 if (first_cup != NULL) {
2241 const char *dot = strrchr(first_cup, '.');
2242 const char *pos = dot ? dot : first_cup + strlen(first_cup);
2243 char buf[pos-first_cup+1];
2244 strncpy(buf, first_cup, pos-first_cup);
2245 buf[pos-first_cup] = '\0';
2247 stat_ev_begin(buf, filtev);
2251 int result = compilation_loop(mode, units, standard, out);
2252 if (stat_ev_enabled) {
2256 if (result != EXIT_SUCCESS) {
2262 /* link program file */
2263 if (mode == CompileAssembleLink) {
2264 int const link_result = link_program(units);
2265 if (link_result != EXIT_SUCCESS) {
2273 timer_term(print_timing ? stderr : NULL);
2276 obstack_free(&cppflags_obst, NULL);
2277 obstack_free(&ldflags_obst, NULL);
2278 obstack_free(&asflags_obst, NULL);
2279 obstack_free(&file_obst, NULL);
2286 exit_preprocessor();
2290 exit_symbol_table();
2291 return EXIT_SUCCESS;