diff options
Diffstat (limited to 'tcc.c')
| -rw-r--r-- | tcc.c | 365 |
1 files changed, 0 insertions, 365 deletions
@@ -1,365 +0,0 @@ -/* - * TCC - Tiny C Compiler - * - * Copyright (c) 2001-2004 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifdef ONE_SOURCE -#include "libtcc.c" -#else -#include "tcc.h" -#endif - -static void print_paths(const char *msg, char **paths, int nb_paths) -{ - int i; - printf("%s:\n%s", msg, nb_paths ? "" : " -\n"); - for(i = 0; i < nb_paths; i++) - printf(" %s\n", paths[i]); -} - -static void display_info(TCCState *s, int what) -{ - switch (what) { - case 0: - printf("tcc version %s (" -#ifdef TCC_TARGET_I386 - "i386" -#elif defined TCC_TARGET_X86_64 - "x86-64" -#elif defined TCC_TARGET_C67 - "C67" -#elif defined TCC_TARGET_ARM - "ARM" -# ifdef TCC_ARM_HARDFLOAT - " Hard Float" -# endif -#elif defined TCC_TARGET_ARM64 - "AArch64" -# ifdef TCC_ARM_HARDFLOAT - " Hard Float" -# endif -#endif -#ifdef TCC_TARGET_PE - " Windows" -#else - " Linux" -#endif - ")\n", TCC_VERSION); - break; - case 1: - printf("install: %s\n", s->tcc_lib_path); - /* print_paths("programs", NULL, 0); */ - print_paths("include", s->sysinclude_paths, s->nb_sysinclude_paths); - print_paths("libraries", s->library_paths, s->nb_library_paths); -#ifndef TCC_TARGET_PE - print_paths("crt", s->crt_paths, s->nb_crt_paths); - printf("elfinterp:\n %s\n", DEFAULT_ELFINTERP(s)); -#endif - break; - } -} - -static void help(void) -{ - printf("Tiny C Compiler "TCC_VERSION" - Copyright (C) 2001-2006 Fabrice Bellard\n" - "Usage: tcc [options...] [-o outfile] [-c] infile(s)...\n" - " tcc [options...] -run infile [arguments...]\n" - "General options:\n" - " -c compile only - generate an object file\n" - " -o outfile set output filename\n" - " -run run compiled source\n" - " -fflag set or reset (with 'no-' prefix) 'flag' (see man page)\n" - " -Wwarning set or reset (with 'no-' prefix) 'warning' (see man page)\n" - " -w disable all warnings\n" - " -v show version\n" - " -vv show included files (as sole argument: show search paths)\n" - " -dumpversion\n" - " -bench show compilation statistics\n" - "Preprocessor options:\n" - " -Idir add include path 'dir'\n" - " -Dsym[=val] define 'sym' with value 'val'\n" - " -Usym undefine 'sym'\n" - " -E preprocess only\n" - " -P[1] no/alternative output of #line directives with -E\n" - " -dD dump defines\n" - "Linker options:\n" - " -Ldir add library path 'dir'\n" - " -llib link with dynamic or static library 'lib'\n" - " -pthread link with -lpthread and -D_REENTRANT (POSIX Linux)\n" - " -r generate (relocatable) object file\n" - " -rdynamic export all global symbols to dynamic linker\n" - " -shared generate a shared library\n" - " -soname set name for shared library to be used at runtime\n" - " -static static linking\n" - " -Wl,-opt[=val] set linker option (see manual)\n" - "Debugger options:\n" - " -g generate runtime debug info\n" -#ifdef CONFIG_TCC_BCHECK - " -b compile with built-in memory and bounds checker (implies -g)\n" -#endif -#ifdef CONFIG_TCC_BACKTRACE - " -bt N show N callers in stack traces\n" -#endif - "Misc options:\n" - " -nostdinc do not use standard system include paths\n" - " -nostdlib do not link with standard crt and libraries\n" - " -Bdir use 'dir' as tcc internal library and include path\n" - " -MD generate target dependencies for make\n" - " -MF depfile put generated dependencies here\n" - ); -} - -/* re-execute the i386/x86_64 cross-compilers with tcc -m32/-m64: */ -#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 -#ifdef _WIN32 -#include <process.h> -static int execvp_win32(const char *prog, char **argv) -{ - int ret = spawnvp(P_NOWAIT, prog, (const char *const*)argv); - if (-1 == ret) - return ret; - cwait(&ret, ret, WAIT_CHILD); - exit(ret); -} -#define execvp execvp_win32 -#endif -static void exec_other_tcc(TCCState *s, char **argv, const char *optarg) -{ - char child_path[4096], *child_name; const char *target; - switch (atoi(optarg)) { -#ifdef TCC_TARGET_I386 - case 32: break; - case 64: target = "x86_64"; -#else - case 64: break; - case 32: target = "i386"; -#endif - pstrcpy(child_path, sizeof child_path - 40, argv[0]); - child_name = tcc_basename(child_path); - strcpy(child_name, target); -#ifdef TCC_TARGET_PE - strcat(child_name, "-win32"); -#endif - strcat(child_name, "-tcc"); - if (strcmp(argv[0], child_path)) { - if (s->verbose > 0) - printf("tcc: using '%s'\n", child_name), fflush(stdout); - execvp(argv[0] = child_path, argv); - } - tcc_error("'%s' not found", child_name); - case 0: /* ignore -march etc. */ - break; - default: - tcc_warning("unsupported option \"-m%s\"", optarg); - } -} -#else -#define exec_other_tcc(s, argv, optarg) -#endif - -static void gen_makedeps(TCCState *s, const char *target, const char *filename) -{ - FILE *depout; - char buf[1024], *ext; - int i; - - if (!filename) { - /* compute filename automatically - * dir/file.o -> dir/file.d */ - pstrcpy(buf, sizeof(buf), target); - ext = tcc_fileextension(buf); - pstrcpy(ext, sizeof(buf) - (ext-buf), ".d"); - filename = buf; - } - - if (s->verbose) - printf("<- %s\n", filename); - - /* XXX return err codes instead of error() ? */ - depout = fopen(filename, "w"); - if (!depout) - tcc_error("could not open '%s'", filename); - - fprintf(depout, "%s : \\\n", target); - for (i=0; i<s->nb_target_deps; ++i) - fprintf(depout, " %s \\\n", s->target_deps[i]); - fprintf(depout, "\n"); - fclose(depout); -} - -static char *default_outputfile(TCCState *s, const char *first_file) -{ - char buf[1024]; - char *ext; - const char *name = "a"; - - if (first_file && strcmp(first_file, "-")) - name = tcc_basename(first_file); - pstrcpy(buf, sizeof(buf), name); - ext = tcc_fileextension(buf); -#ifdef TCC_TARGET_PE - if (s->output_type == TCC_OUTPUT_DLL) - strcpy(ext, ".dll"); - else - if (s->output_type == TCC_OUTPUT_EXE) - strcpy(ext, ".exe"); - else -#endif - if (( (s->output_type == TCC_OUTPUT_OBJ && !s->option_r) || - (s->output_type == TCC_OUTPUT_PREPROCESS) ) - && *ext) - strcpy(ext, ".o"); - else - strcpy(buf, "a.out"); - - return tcc_strdup(buf); -} - -static int64_t getclock_us(void) -{ -#ifdef _WIN32 - struct _timeb tb; - _ftime(&tb); - return (tb.time * 1000LL + tb.millitm) * 1000LL; -#else - struct timeval tv; - gettimeofday(&tv, NULL); - return tv.tv_sec * 1000000LL + tv.tv_usec; -#endif -} - -int main(int argc, char **argv) -{ - TCCState *s; - int ret, optind, i; - int64_t start_time = 0; - - s = tcc_new(); - - optind = tcc_parse_args(s, argc - 1, argv + 1); - - if (s->do_bench) - start_time = getclock_us(); - - tcc_set_environment(s); - - if (optind == 0) { - help(); - return 1; - } - - if (s->option_m) - exec_other_tcc(s, argv, s->option_m); - - if (s->verbose) - display_info(s, 0); - - if (s->print_search_dirs || (s->verbose == 2 && optind == 1)) { - tcc_set_output_type(s, TCC_OUTPUT_MEMORY); - display_info(s, 1); - return 0; - } - - if (s->verbose && optind == 1) - return 0; - - if (s->nb_files == 0) - tcc_error("no input files\n"); - - /* check -c consistency : only single file handled. XXX: checks file type */ - if (s->output_type == TCC_OUTPUT_OBJ && !s->option_r) { - if (s->nb_libraries != 0) - tcc_error("cannot specify libraries with -c"); - /* accepts only a single input file */ - if ((s->nb_files != 1) && s->outfile) { - tcc_error("cannot specify multiple files with -c and -o"); - } - } - - if (s->output_type == TCC_OUTPUT_PREPROCESS) { - if (!s->outfile) { - s->ppfp = stdout; - } else { - s->ppfp = fopen(s->outfile, "w"); - if (!s->ppfp) - tcc_error("could not write '%s'", s->outfile); - } - } - - tcc_set_output_type(s, s->output_type); - - /* compile or add each files or library */ - for(i = ret = 0; i < s->nb_files && ret == 0; i++) { - int filetype = *(unsigned char *)s->files[i]; - const char *filename = s->files[i] + 1; - if (filename[0] == '-' && filename[1] == 'l') { - if (tcc_add_library(s, filename + 2) < 0) { - tcc_error_noabort("cannot find library 'lib%s'", filename+2); - ret = 1; - } - } else { - if (1 == s->verbose) - printf("-> %s\n", filename); - if (!s->outfile) - s->outfile = default_outputfile(s, filename); - if (tcc_add_file(s, filename, filetype) < 0) - ret = 1; - else - if (s->output_type == TCC_OUTPUT_OBJ) { - ret = !!tcc_output_file(s, s->outfile); - if (s->gen_deps && !ret) - gen_makedeps(s, s->outfile, s->deps_outfile); - if (!ret) { - if ((i+1) < s->nb_files) { - tcc_delete(s); - s = tcc_new(); - tcc_parse_args(s, argc - 1, argv + 1); - tcc_set_environment(s); - if (s->output_type != TCC_OUTPUT_OBJ) - tcc_error("interlnal error"); - tcc_set_output_type(s, s->output_type); - } - } - } - } - } - - if (0 == ret) { - if (s->output_type == TCC_OUTPUT_MEMORY) { -#ifdef TCC_IS_NATIVE - ret = tcc_run(s, argc - 1 - optind, argv + 1 + optind); -#else - tcc_error_noabort("-run is not available in a cross compiler"); - ret = 1; -#endif - } else - if (s->output_type == TCC_OUTPUT_EXE || - s->output_type == TCC_OUTPUT_DLL) - { - ret = !!tcc_output_file(s, s->outfile); - if (s->gen_deps && !ret) - gen_makedeps(s, s->outfile, s->deps_outfile); - } - } - - if (s->do_bench) - tcc_print_stats(s, getclock_us() - start_time); - - tcc_delete(s); - return ret; -} |