X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=main.c;h=dcd5e3f5ad81922de28313c91fa3073564531f89;hb=6b556495efe4efc7eb3de854a2972fad46d9d283;hp=25564fb027d685f1af1fd42f242fba67508b2c9d;hpb=70abad8ade78c811d76cc79741fccfc6bd7d58ab;p=cparser

diff --git a/main.c b/main.c
index 25564fb..dcd5e3f 100644
--- a/main.c
+++ b/main.c
@@ -184,7 +184,7 @@ static void lextest(FILE *in, const char *fname)
 	} while(lexer_token.type != T_EOF);
 }
 
-static FILE *preprocess(FILE *in, const char *fname)
+static FILE *preprocess(FILE *in, const char *fname, bool to_stdout)
 {
 	char buf[4096];
 	obstack_1grow(&cppflags_obst, '\0');
@@ -200,12 +200,17 @@ static FILE *preprocess(FILE *in, const char *fname)
 	if(verbose) {
 		puts(buf);
 	}
-	FILE *f = popen(buf, "r");
-	if(f == NULL) {
-		fprintf(stderr, "invoking preprocessor failed\n");
-		exit(1);
+	if(to_stdout) {
+		int res = system(buf);
+		exit(res);
+	} else {
+		FILE *f = popen(buf, "r");
+		if(f == NULL) {
+			fprintf(stderr, "invoking preprocessor failed\n");
+			exit(1);
+		}
+		return f;
 	}
-	return f;
 }
 
 static void do_link(const char *out, const char *in)
@@ -338,6 +343,7 @@ void lower_compound_params(void)
 
 typedef enum compile_mode_t {
 	BenchmarkParser,
+	PreprocessOnly,
 	ParseOnly,
 	Compile,
 	CompileDump,
@@ -353,6 +359,23 @@ static void usage(const char *argv0)
 	fprintf(stderr, "Usage %s input [-o output] [-c]\n", argv0);
 }
 
+static void print_cparser_version(void) {
+	firm_version_t ver;
+	firm_get_version(&ver);
+
+	printf("cparser (%s) using libFirm (%u.%u",
+		cparser_REVISION, ver.major, ver.minor);
+	if(ver.revision[0] != 0) {
+		putchar(' ');
+		fputs(ver.revision, stdout);
+	}
+	if(ver.build[0] != 0) {
+		putchar(' ');
+		fputs(ver.build, stdout);
+	}
+	puts(")\n");
+}
+
 int main(int argc, char **argv)
 {
 	initialize_firm();
@@ -363,6 +386,7 @@ int main(int argc, char **argv)
 	compile_mode_t  mode         = CompileAssembleLink;
 	int             opt_level    = 1;
 	int             result       = EXIT_SUCCESS;
+	char            cpu_arch[16] = "ia32";
 
 	obstack_init(&cppflags_obst);
 	obstack_init(&ldflags_obst);
@@ -437,6 +461,8 @@ int main(int argc, char **argv)
 				firm_be_option("ia32-nooptcc=yes");
 			} else if(SINGLE_OPTION('c')) {
 				mode = CompileAssemble;
+			} else if(SINGLE_OPTION('E')) {
+				mode = PreprocessOnly;
 			} else if(SINGLE_OPTION('S')) {
 				mode = Compile;
 			} else if(option[0] == 'O') {
@@ -496,23 +522,85 @@ int main(int argc, char **argv)
 					argument_errors = true;
 				} else if (res == -1) {
 					help_displayed = true;
+				} else {
+					if (strncmp(opt, "isa=", 4) == 0)
+						strncpy(cpu_arch, opt, sizeof(cpu_arch));
 				}
 			} else if(option[0] == 'W') {
 				set_warning_opt(&option[1]);
 			} else if(option[0] == 'm') {
+				/* -m options */
 				const char *opt;
+				char arch_opt[64];
+
 				GET_ARG_AFTER(opt, "-m");
-				char *endptr;
-				long int value = strtol(opt, &endptr, 10);
-				if (*endptr != '\0') {
-					fprintf(stderr, "error: wrong option '-m %s'\n",  opt);
-					argument_errors = true;
-				}
-				if (value != 16 && value != 32 && value != 64) {
-					fprintf(stderr, "error: option -m supports only 16, 32 or 64\n");
-					argument_errors = true;
+				if(strncmp(opt, "arch=", 5) == 0) {
+					GET_ARG_AFTER(opt, "-march=");
+					snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
+					int res = firm_be_option(arch_opt);
+					if (res == 0)
+						argument_errors = true;
+					else {
+						snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
+						int res = firm_be_option(arch_opt);
+						if (res == 0)
+							argument_errors = true;
+					}
+				} else if(strncmp(opt, "tune=", 5) == 0) {
+					GET_ARG_AFTER(opt, "-mtune=");
+					snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
+					int res = firm_be_option(arch_opt);
+					if (res == 0)
+						argument_errors = true;
+				} else if(strncmp(opt, "cpu=", 4) == 0) {
+					GET_ARG_AFTER(opt, "-mcpu=");
+					snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
+					int res = firm_be_option(arch_opt);
+					if (res == 0)
+						argument_errors = true;
+				} else if(strncmp(opt, "fpmath=", 7) == 0) {
+					GET_ARG_AFTER(opt, "-mfpmath=");
+					if(strcmp(opt, "387") == 0)
+						opt = "x87";
+					else if(strcmp(opt, "sse") == 0)
+						opt = "sse2";
+					else {
+						fprintf(stderr, "error: option -mfpumath supports only 387 or sse\n");
+						argument_errors = true;
+					}
+					if(!argument_errors) {
+						snprintf(arch_opt, sizeof(arch_opt), "%s-fpunit=%s", cpu_arch, opt);
+						int res = firm_be_option(arch_opt);
+						if (res == 0)
+							argument_errors = true;
+					}
+				} else if(strncmp(opt, "preferred-stack-boundary=", 25) == 0) {
+					GET_ARG_AFTER(opt, "-mpreferred-stack-boundary=");
+					snprintf(arch_opt, sizeof(arch_opt), "%s-stackalign=%s", cpu_arch, opt);
+					int res = firm_be_option(arch_opt);
+					if (res == 0)
+						argument_errors = true;
+				} else if(strcmp(opt, "omit-leaf-frame-pointer") == 0) {
+					int res = firm_be_option("omitleaffp=1");
+					if (res == 0)
+						argument_errors = true;
+				} else if(strcmp(opt, "no-omit-leaf-frame-pointer") == 0) {
+					int res = firm_be_option("omitleaffp=0");
+					if (res == 0)
+						argument_errors = true;
 				} else {
-					machine_size = (unsigned int)value;
+					char *endptr;
+					long int value = strtol(opt, &endptr, 10);
+					if (*endptr != '\0') {
+						fprintf(stderr, "error: wrong option '-m %s'\n",  opt);
+						argument_errors = true;
+					}
+					if (value != 16 && value != 32 && value != 64) {
+						fprintf(stderr, "error: option -m supports only 16, 32 or 64\n");
+						argument_errors = true;
+					} else {
+						machine_size = (unsigned int)value;
+					}
 				}
 			} else if (option[0] == '\0') {
 				if(input != NULL) {
@@ -521,6 +609,9 @@ int main(int argc, char **argv)
 				} else {
 					input = arg;
 				}
+			} else if(strcmp(option, "pg") == 0) {
+				firm_be_option("-b gprof");
+				obstack_printf(&ldflags_obst, " -pg");
 			} else if(strcmp(option, "pedantic") == 0) {
 				fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
 			} else if(strncmp(option, "std=", 4) == 0) {
@@ -534,6 +625,8 @@ int main(int argc, char **argv)
 					c_mode = _C89|_C99|_MS;
 				} else
 					fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
+			} else if(strcmp(option, "version") == 0) {
+				print_cparser_version();
 			} else if (option[0] == '-') {
 				/* double dash option */
 				++option;
@@ -564,19 +657,7 @@ int main(int argc, char **argv)
 				} else if(strcmp(option, "print-fluffy") == 0) {
 					mode = PrintFluffy;
 				} else if(strcmp(option, "version") == 0) {
-					firm_version_t ver;
-					firm_get_version(&ver);
-					printf("cparser (%s) using libFirm (%u.%u",
-					       cparser_REVISION, ver.major, ver.minor);
-					if(ver.revision[0] != 0) {
-						putchar(' ');
-						fputs(ver.revision, stdout);
-					}
-					if(ver.build[0] != 0) {
-						putchar(' ');
-						fputs(ver.build, stdout);
-					}
-					puts(")\n");
+					print_cparser_version();
 					exit(EXIT_SUCCESS);
 				} else if(strcmp(option, "dump-function") == 0) {
 					++i;
@@ -639,6 +720,8 @@ int main(int argc, char **argv)
 			if(outname == NULL)
 				outname = "-";
 			break;
+		case PreprocessOnly:
+			break;
 		case ParseOnly:
 			break;
 		case Compile:
@@ -656,7 +739,10 @@ int main(int argc, char **argv)
 			break;
 		case CompileAssembleLink:
 #ifdef _WIN32
-			outname = "a.exe";
+			/* Windows compiler typically derive the output name from
+			   the first source file */
+			get_output_name(outnamebuf, sizeof(outnamebuf), input, ".exe");
+			outname = outnamebuf;
 #else
 			outname = "a.out";
 #endif
@@ -698,7 +784,7 @@ int main(int argc, char **argv)
 		return 0;
 	}
 
-	FILE *preprocessed_in = preprocess(in, input);
+	FILE *preprocessed_in = preprocess(in, input, mode == PreprocessOnly);
 	translation_unit_t *const unit = do_parsing(preprocessed_in, input);
 	int res = pclose(preprocessed_in);
 	if(res != 0) {