/* * 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 */ #include "tcc.h" /********************************************************/ /* global variables */ /* use GNU C extensions */ ST_DATA int gnu_ext = 1; /* use TinyCC extensions */ ST_DATA int tcc_ext = 1; /* XXX: get rid of this ASAP */ ST_DATA struct TCCState *tcc_state; static int nb_states; /********************************************************/ #if ONE_SOURCE #include "tccpp.c" #include "tccgen.c" #include "tccelf.c" #include "tccrun.c" #ifdef TCC_TARGET_I386 #include "i386-gen.c" #include "i386-link.c" #include "i386-asm.c" #endif #ifdef TCC_TARGET_ARM #include "arm-gen.c" #include "arm-link.c" #include "arm-asm.c" #endif #ifdef TCC_TARGET_ARM64 #include "arm64-gen.c" #include "arm64-link.c" #endif #ifdef TCC_TARGET_C67 #include "c67-gen.c" #include "c67-link.c" #include "tcccoff.c" #endif #ifdef TCC_TARGET_X86_64 #include "x86_64-gen.c" #include "x86_64-link.c" #include "i386-asm.c" #endif #ifdef CONFIG_TCC_ASM #include "tccasm.c" #endif #ifdef TCC_TARGET_PE #include "tccpe.c" #endif #endif /* ONE_SOURCE */ /********************************************************/ #ifndef CONFIG_TCC_ASM ST_FUNC void asm_instr(void) { tcc_error("inline asm() not supported"); } ST_FUNC void asm_global_instr(void) { tcc_error("inline asm() not supported"); } #endif /********************************************************/ #ifdef _WIN32 ST_FUNC char *normalize_slashes(char *path) { char *p; for (p = path; *p; ++p) if (*p == '\\') *p = '/'; return path; } static HMODULE tcc_module; /* on win32, we suppose the lib and includes are at the location of 'tcc.exe' */ static void tcc_set_lib_path_w32(TCCState *s) { char path[1024], *p; GetModuleFileNameA(tcc_module, path, sizeof path); p = tcc_basename(normalize_slashes(strlwr(path))); if (p > path) --p; *p = 0; tcc_set_lib_path(s, path); } #ifdef TCC_TARGET_PE static void tcc_add_systemdir(TCCState *s) { char buf[1000]; GetSystemDirectory(buf, sizeof buf); tcc_add_library_path(s, normalize_slashes(buf)); } #endif #ifdef LIBTCC_AS_DLL BOOL WINAPI DllMain (HINSTANCE hDll, DWORD dwReason, LPVOID lpReserved) { if (DLL_PROCESS_ATTACH == dwReason) tcc_module = hDll; return TRUE; } #endif #endif /********************************************************/ /* copy a string and truncate it. */ ST_FUNC char *pstrcpy(char *buf, int buf_size, const char *s) { char *q, *q_end; int c; if (buf_size > 0) { q = b

when defined(js):
    import asyncjs
    export asyncjs
else:
    import asyncmacro, asyncfutures
    export asyncmacro, asyncfutures

cc_realloc(p, s) /********************************************************/ /* dynarrays */ ST_FUNC void dynarray_add(void *ptab, int *nb_ptr, void *data) { int nb, nb_alloc; void **pp; nb = *nb_ptr; pp = *(void ***)ptab; /* every power of two we double array size */ if ((nb & (nb - 1)) == 0) { if (!nb) nb_alloc = 1; else nb_alloc = nb * 2; pp = tcc_realloc(pp, nb_alloc * sizeof(void *)); *(void***)ptab = pp; } pp[nb++] = data; *nb_ptr = nb; } ST_FUNC void dynarray_reset(void *pp, int *n) { void **p; for (p = *(void***)pp; *n; ++p, --*n) if (*p) tcc_free(*p); tcc_free(*(void**)pp); *(void**)pp = NULL; } static void tcc_split_path(TCCState *s, void *p_ary, int *p_nb_ary, const char *in) { const char *p; do { int c; CString str; cstr_new(&str); for (p = in; c = *p, c != '\0' && c != PATHSEP[0]; ++p) { if (c == '{' && p[1] && p[2] == '}') { c = p[1], p += 2; if (c == 'B') cstr_cat(&str, s->tcc_lib_path, -1); } else { cstr_ccat(&str, c); } } if (str.size) { cstr_ccat(&str, '\0'); dynarray_add(p_ary, p_nb_ary, tcc_strdup(str.data)); } cstr_free(&str); in = p+1; } while (*p); } /********************************************************/ static void strcat_vprintf(char *buf, int buf_size, const char *fmt, va_list ap) { int len; len = strlen(buf); vsnprintf(buf + len, buf_size - len, fmt, ap); } static void strcat_printf(char *buf, int buf_size, const char *fmt, ...) { va_list ap; va_start(ap, fmt); strcat_vprintf(buf, buf_size, fmt, ap); va_end(ap); } static void error1(TCCState *s1, int is_warning, const char *fmt, va_list ap) { char buf[2048]; BufferedFile **pf, *f; buf[0] = '\0'; /* use upper file if inline ":asm:" or token ":paste:" */ for (f = file; f && f->filename[0] == ':'; f = f->prev) ; if (f) { for(pf = s1->include_stack; pf < s1->include_stack_ptr; pf++) strcat_printf(buf, sizeof(buf), "In file included from %s:%d:\n", (*pf)->filename, (*pf)->line_num); if (f->line_num > 0) { strcat_printf(buf, sizeof(buf), "%s:%d: ", f->filename, f->line_num - !!(tok_flags & TOK_FLAG_BOL)); } else { strcat_printf(buf, sizeof(buf), "%s: ", f->filename); } } else { strcat_printf(buf, sizeof(buf), "tcc: "); } if (is_warning) strcat_printf(buf, sizeof(buf), "warning: "); else strcat_printf(buf, sizeof(buf), "error: "); strcat_vprintf(buf, sizeof(buf), fmt, ap); if (!s1->error_func) { /* default case: stderr */ if (s1->output_type == TCC_OUTPUT_PREPROCESS && s1->ppfp == stdout) /* print a newline during tcc -E */ printf("\n"), fflush(stdout); fflush(stdout); /* flush -v output */ fprintf(stderr, "%s\n", buf); fflush(stderr); /* print error/warning now (win32) */ } else { s1->error_func(s1->error_opaque, buf); } if (!is_warning || s1->warn_error) s1->nb_errors++; } LIBTCCAPI void tcc_set_error_func(TCCState *s, void *error_opaque, void (*error_func)(void *opaque, const char *msg)) { s->error_opaque = error_opaque; s->error_func = error_func; } /* error without aborting current compilation */ PUB_FUNC void tcc_error_noabort(const char *fmt, ...) { TCCState *s1 = tcc_state; va_list ap; va_start(ap, fmt); error1(s1, 0, fmt, ap); va_end(ap); } PUB_FUNC void tcc_error(const char *fmt, ...) { TCCState *s1 = tcc_state; va_list ap; va_start(ap, fmt); error1(s1, 0, fmt, ap); va_end(ap); /* better than nothing: in some cases, we accept to handle errors */ if (s1->error_set_jmp_enabled) { longjmp(s1->error_jmp_buf, 1); } else { /* XXX: eliminate this someday */ exit(1); } } PUB_FUNC void tcc_warning(const char *fmt, ...) { TCCState *s1 = tcc_state; va_list ap; if (s1->warn_none) return; va_start(ap, fmt); error1(s1, 1, fmt, ap); va_end(ap); } /********************************************************/ /* I/O layer */ ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen) { BufferedFile *bf; int buflen = initlen ? initlen : IO_BUF_SIZE; bf = tcc_mallocz(sizeof(BufferedFile) + buflen); bf->buf_ptr = bf->buffer; bf->buf_end = bf->buffer + initlen; bf->buf_end[0] = CH_EOB; /* put eob symbol */ pstrcpy(bf->filename, sizeof(bf->filename), filename); bf->true_filename = bf->filename; bf->line_num = 1; bf->ifdef_stack_ptr = s1->ifdef_stack_ptr; bf->fd = -1; bf->prev = file; file = bf; tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF; } ST_FUNC void tcc_close(void) { BufferedFile *bf = file; if (bf->fd > 0) { close(bf->fd); total_lines += bf->line_num; } if (bf->true_filename != bf->filename) tcc_free(bf->true_filename); file = bf->prev; tcc_free(bf); } ST_FUNC int tcc_open(TCCState *s1, const char *filename) { int fd; if (strcmp(filename, "-") == 0) fd = 0, filename = ""; else fd = open(filename, O_RDONLY | O_BINARY); if ((s1->verbose == 2 && fd >= 0) || s1->verbose == 3) printf("%s %*s%s\n", fd < 0 ? "nf":"->", (int)(s1->include_stack_ptr - s1->include_stack), "", filename); if (fd < 0) return -1; tcc_open_bf(s1, filename, 0); #ifdef _WIN32 normalize_slashes(file->filename); #endif file->fd = fd; return fd; } /* compile the file opened in 'file'. Return non zero if errors. */ static int tcc_compile(TCCState *s1) { Sym *define_start; int filetype, is_asm; define_start = define_stack; filetype = s1->filetype; is_asm = filetype == AFF_TYPE_ASM || filetype == AFF_TYPE_ASMPP; if (setjmp(s1->error_jmp_buf) == 0) { s1->nb_errors = 0; s1->error_set_jmp_enabled = 1; preprocess_start(s1, is_asm); if (s1->output_type == TCC_OUTPUT_PREPROCESS) { tcc_preprocess(s1); } else if (is_asm) { #ifdef CONFIG_TCC_ASM tcc_assemble(s1, filetype == AFF_TYPE_ASMPP); #else tcc_error_noabort("asm not supported"); #endif } else { tccgen_compile(s1); } } s1->error_set_jmp_enabled = 0; preprocess_end(s1); free_inline_functions(s1); /* reset define stack, but keep -D and built-ins */ free_defines(define_start); sym_pop(&global_stack, NULL, 0); sym_pop(&local_stack, NULL, 0); return s1->nb_errors != 0 ? -1 : 0; } LIBTCCAPI int tcc_compile_string(TCCState *s, const char *str) { int len, ret; len = strlen(str); tcc_open_bf(s, "", len); memcpy(file->buffer, str, len); ret = tcc_compile(s); tcc_close(); return ret; } /* define a preprocessor symbol. A value can also be provided with the '=' operator */ LIBTCCAPI void tcc_define_symbol(TCCState *s1, const char *sym, const char *value) { int len1, len2; /* default value */ if (!value) value = "1"; len1 = strlen(sym); len2 = strlen(value); /* init file structure */ tcc_open_bf(s1, "", len1 + len2 + 1); memcpy(file->buffer, sym, len1); file->buffer[len1] = ' '; memcpy(file->buffer + len1 + 1, value, len2); /* parse with define parser */ next_nomacro(); parse_define(); tcc_close(); } /* undefine a preprocessor symbol */ LIBTCCAPI void tcc_undefine_symbol(TCCState *s1, const char *sym) { TokenSym *ts; Sym *s; ts = tok_alloc(sym, strlen(sym)); s = define_find(ts->tok); /* undefine symbol by putting an invalid name */ if (s) define_undef(s); } /* cleanup all static data used during compilation */ static void tcc_cleanup(void) { if (NULL == tcc_state) return; while (file) tcc_close(); tccpp_delete(tcc_state); tcc_state = NULL; /* free sym_pools */ dynarray_reset(&sym_pools, &nb_sym_pools); /* reset symbol stack */ sym_free_first = NULL; } LIBTCCAPI TCCState *tcc_new(void) { TCCState *s; tcc_cleanup(); s = tcc_mallocz(sizeof(TCCState)); if (!s) return NULL; tcc_state = s; ++nb_states; s->alacarte_link = 1; s->nocommon = 1; s->warn_implicit_function_declaration = 1; s->ms_extensions = 1; #ifdef CHAR_IS_UNSIGNED s->char_is_unsigned = 1; #endif #ifdef TCC_TARGET_I386 s->seg_size = 32; #endif /* enable this if you want symbols with leading underscore on windows: */ #if 0 /* def TCC_TARGET_PE */ s->leading_underscore = 1; #endif #ifdef _WIN32 tcc_set_lib_path_w32(s); #else tcc_set_lib_path(s, CONFIG_TCCDIR); #endif tccelf_new(s); tccpp_new(s); /* we add dummy defines for some special macros to speed up tests and to have working defined() */ define_push(TOK___LINE__, MACRO_OBJ, NULL, NULL); define_push(TOK___FILE__, MACRO_OBJ, NULL, NULL); define_push(TOK___DATE__, MACRO_OBJ, NULL, NULL); define_push(TOK___TIME__, MACRO_OBJ, NULL, NULL); define_push(TOK___COUNTER__, MACRO_OBJ, NULL, NULL); { /* define __TINYC__ 92X */ char buffer[32]; int a,b,c; sscanf(TCC_VERSION, "%d.%d.%d", &a, &b, &c); sprintf(buffer, "%d", a*10000 + b*100 + c); tcc_define_symbol(s, "__TINYC__", buffer); } /* standard defines */ tcc_define_symbol(s, "__STDC__", NULL); tcc_define_symbol(s, "__STDC_VERSION__", "199901L"); tcc_define_symbol(s, "__STDC_HOSTED__", NULL); /* target defines */ #if defined(TCC_TARGET_I386) tcc_define_symbol(s, "__i386__", NULL); tcc_define_symbol(s, "__i386", NULL); tcc_define_symbol(s, "i386", NULL); #elif defined(TCC_TARGET_X86_64) tcc_define_symbol(s, "__x86_64__", NULL); #elif defined(TCC_TARGET_ARM) tcc_define_symbol(s, "__ARM_ARCH_4__", NULL); tcc_define_symbol(s, "__arm_elf__", NULL); tcc_define_symbol(s, "__arm_elf", NULL); tcc_define_symbol(s, "arm_elf", NULL); tcc_define_symbol(s, "__arm__", NULL); tcc_define_symbol(s, "__arm", NULL); tcc_define_symbol(s, "arm", NULL); tcc_define_symbol(s, "__APCS_32__", NULL); tcc_define_symbol(s, "__ARMEL__", NULL); #if defined(TCC_ARM_EABI) tcc_define_symbol(s, "__ARM_EABI__", NULL); #endif #if defined(TCC_ARM_HARDFLOAT) s->float_abi = ARM_HARD_FLOAT; tcc_define_symbol(s, "__ARM_PCS_VFP", NULL); #else s->float_abi = ARM_SOFTFP_FLOAT; #endif #elif defined(TCC_TARGET_ARM64) tcc_define_symbol(s, "__aarch64__", NULL); #elif defined TCC_TARGET_C67 tcc_define_symbol(s, "__C67__", NULL); #endif #ifdef TCC_TARGET_PE tcc_define_symbol(s, "_WIN32", NULL); # ifdef TCC_TARGET_X86_64 tcc_define_symbol(s, "_WIN64", NULL); # endif #else tcc_define_symbol(s, "__unix__", NULL); tcc_define_symbol(s, "__unix", NULL); tcc_define_symbol(s, "unix", NULL); # if defined(__linux__) tcc_define_symbol(s, "__linux__", NULL); tcc_define_symbol(s, "__linux", NULL); # endif # if defined(__FreeBSD__) tcc_define_symbol(s, "__FreeBSD__", "__FreeBSD__"); /* No 'Thread Storage Local' on FreeBSD with tcc */ tcc_define_symbol(s, "__NO_TLS", NULL); # endif # if defined(__FreeBSD_kernel__) tcc_define_symbol(s, "__FreeBSD_kernel__", NULL); # endif # if defined(__NetBSD__) tcc_define_symbol(s, "__NetBSD__", "__NetBSD__"); # endif # if defined(__OpenBSD__) tcc_define_symbol(s, "__OpenBSD__", "__OpenBSD__"); # endif #endif /* TinyCC & gcc defines */ #if PTR_SIZE == 4 /* 32bit systems. */ tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned int"); tcc_define_symbol(s, "__PTRDIFF_TYPE__", "int"); tcc_define_symbol(s, "__ILP32__", NULL); #elif LONG_SIZE == 4 /* 64bit Windows. */ tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long long"); tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long long"); tcc_define_symbol(s, "__LLP64__", NULL); #else /* Other 64bit systems. */ tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long"); tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long"); tcc_define_symbol(s, "__LP64__", NULL); #endif #ifdef TCC_TARGET_PE tcc_define_symbol(s, "__WCHAR_TYPE__", "unsigned short"); tcc_define_symbol(s, "__WINT_TYPE__", "unsigned short"); #else tcc_define_symbol(s, "__WCHAR_TYPE__", "int"); /* wint_t is unsigned int by default, but (signed) int on BSDs and unsigned short on windows. Other OSes might have still other conventions, sigh. */ # if defined(__FreeBSD__) || defined (__FreeBSD_kernel__) \ || defined(__NetBSD__) || defined(__OpenBSD__) tcc_define_symbol(s, "__WINT_TYPE__", "int"); # ifdef __FreeBSD__ /* define __GNUC__ to have some useful stuff from sys/cdefs.h that are unconditionally used in FreeBSDs other system headers :/ */ tcc_define_symbol(s, "__GNUC__", "2"); tcc_define_symbol(s, "__GNUC_MINOR__", "7"); tcc_define_symbol(s, "__builtin_alloca", "alloca"); # endif # else tcc_define_symbol(s, "__WINT_TYPE__", "unsigned int"); /* glibc defines */ tcc_define_symbol(s, "__REDIRECT(name, proto, alias)", "name proto __asm__ (#alias)"); tcc_define_symbol(s, "__REDIRECT_NTH(name, proto, alias)", "name proto __asm__ (#alias) __THROW"); # endif # if defined(TCC_MUSL) tcc_define_symbol(s, "__DEFINED_va_list", ""); tcc_define_symbol(s, "__DEFINED___isoc_va_list", ""); tcc_define_symbol(s, "__isoc_va_list", "void *"); # endif /* TCC_MUSL */ /* Some GCC builtins that are simple to express as macros. */ tcc_define_symbol(s, "__builtin_extract_return_addr(x)", "x"); #endif /* ndef TCC_TARGET_PE */ return s; } LIBTCCAPI void tcc_delete(TCCState *s1) { tcc_cleanup(); /* free sections */ tccelf_delete(s1); /* free library paths */ dynarray_reset(&s1->library_paths, &s1->nb_library_paths); dynarray_reset(&s1->crt_paths, &s1->nb_crt_paths); /* free include paths */ dynarray_reset(&s1->cached_includes, &s1->nb_cached_includes); dynarray_reset(&s1->include_paths, &s1->nb_include_paths); dynarray_reset(&s1->sysinclude_paths, &s1->nb_sysinclude_paths); dynarray_reset(&s1->cmd_include_files, &s1->nb_cmd_include_files); tcc_free(s1->tcc_lib_path); tcc_free(s1->soname); tcc_free(s1->rpath); tcc_free(s1->init_symbol); tcc_free(s1->fini_symbol); tcc_free(s1->outfile); tcc_free(s1->deps_outfile); dynarray_reset(&s1->files, &s1->nb_files); dynarray_reset(&s1->target_deps, &s1->nb_target_deps); dynarray_reset(&s1->pragma_libs, &s1->nb_pragma_libs); dynarray_reset(&s1->argv, &s1->argc); #ifdef TCC_IS_NATIVE /* free runtime memory */ tcc_run_free(s1); #endif tcc_free(s1); if (0 == --nb_states) tcc_memcheck(); } LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type) { s->output_type = output_type; /* always elf for objects */ if (output_type == TCC_OUTPUT_OBJ) s->output_format = TCC_OUTPUT_FORMAT_ELF; if (s->char_is_unsigned) tcc_define_symbol(s, "__CHAR_UNSIGNED__", NULL); if (!s->nostdinc) { /* default include paths */ /* -isystem paths have already been handled */ tcc_add_sysinclude_path(s, CONFIG_TCC_SYSINCLUDEPATHS); } #ifdef CONFIG_TCC_BCHECK if (s->do_bounds_check) { /* if bound checking, then add corresponding sections */ tccelf_bounds_new(s); /* define symbol */ tcc_define_symbol(s, "__BOUNDS_CHECKING_ON", NULL); } #endif if (s->do_debug) { /* add debug sections */ tccelf_stab_new(s); } tcc_add_library_path(s, CONFIG_TCC_LIBPATHS); #ifdef TCC_TARGET_PE # ifdef _WIN32 if (!s->nostdlib && output_type != TCC_OUTPUT_OBJ) tcc_add_systemdir(s); # endif #else /* paths for crt objects */ tcc_split_path(s, &s->crt_paths, &s->nb_crt_paths, CONFIG_TCC_CRTPREFIX); /* add libc crt1/crti objects */ if ((output_type == TCC_OUTPUT_EXE || output_type == TCC_OUTPUT_DLL) && !s->nostdlib) { if (output_type != TCC_OUTPUT_DLL) tcc_add_crt(s, "crt1.o"); tcc_add_crt(s, "crti.o"); } #endif return 0; } LIBTCCAPI int tcc_add_include_path(TCCState *s, const char *pathname) { tcc_split_path(s, &s->include_paths, &s->nb_include_paths, pathname); return 0; } LIBTCCAPI int tcc_add_sysinclude_path(TCCState *s, const char *pathname) { tcc_split_path(s, &s->sysinclude_paths, &s->nb_sysinclude_paths, pathname); return 0; } ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags) { int ret; /* open the file */ ret = tcc_open(s1, filename); if (ret < 0) { if (flags & AFF_PRINT_ERROR) tcc_error_noabort("file '%s' not found", filename); return ret; } /* update target deps */ dynarray_add(&s1->target_deps, &s1->nb_target_deps, tcc_strdup(filename)); if (flags & AFF_TYPE_BIN) { ElfW(Ehdr) ehdr; int fd, obj_type; fd = file->fd; obj_type = tcc_object_type(fd, &ehdr); lseek(fd, 0, SEEK_SET); /* do not display line number if error */ file->line_num = 0; #ifdef TCC_TARGET_MACHO if (0 == obj_type && 0 == strcmp(tcc_fileextension(filename), ".dylib")) obj_type = AFF_BINTYPE_DYN; #endif switch (obj_type) { case AFF_BINTYPE_REL: ret = tcc_load_object_file(s1, fd, 0); break; #ifndef TCC_TARGET_PE case AFF_BINTYPE_DYN: if (s1->output_type == TCC_OUTPUT_MEMORY) { ret = 0; #ifdef TCC_IS_NATIVE if (NULL == dlopen(filename, RTLD_GLOBAL | RTLD_LAZY)) ret = -1; #endif } else { ret = tcc_load_dll(s1, fd, filename, (flags & AFF_REFERENCED_DLL) != 0); } break; #endif case AFF_BINTYPE_AR: ret = tcc_load_archive(s1, fd); break; #ifdef TCC_TARGET_COFF case AFF_BINTYPE_C67: ret = tcc_load_coff(s1, fd); break; #endif default: #ifdef TCC_TARGET_PE ret = pe_load_file(s1, filename, fd); #else /* as GNU ld, consider it is an ld script if not recognized */ ret = tcc_load_ldscript(s1); #endif if (ret < 0) tcc_error_noabort("unrecognized file type"); break; } } else { ret = tcc_compile(s1); } tcc_close(); return ret; } LIBTCCAPI int tcc_add_file(TCCState *s, const char *filename) { int filetype = s->filetype; int flags = AFF_PRINT_ERROR; if (filetype == 0) { /* use a file extension to detect a filetype */ const char *ext = tcc_fileextension(filename); if (ext[0]) { ext++; if (!strcmp(ext, "S")) filetype = AFF_TYPE_ASMPP; else if (!strcmp(ext, "s")) filetype = AFF_TYPE_ASM; else if (!PATHCMP(ext, "c") || !PATHCMP(ext, "i")) filetype = AFF_TYPE_C; else flags |= AFF_TYPE_BIN; } else { filetype = AFF_TYPE_C; } s->filetype = filetype; } return tcc_add_file_internal(s, filename, flags); } LIBTCCAPI int tcc_add_library_path(TCCState *s, const char *pathname) { tcc_split_path(s, &s->library_paths, &s->nb_library_paths, pathname); return 0; } static int tcc_add_library_internal(TCCState *s, const char *fmt, const char *filename, int flags, char **paths, int nb_paths) { char buf[1024]; int i; for(i = 0; i < nb_paths; i++) { snprintf(buf, sizeof(buf), fmt, paths[i], filename); if (tcc_add_file_internal(s, buf, flags | AFF_TYPE_BIN) == 0) return 0; } return -1; } /* find and load a dll. Return non zero if not found */ /* XXX: add '-rpath' option support ? */ ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags) { return tcc_add_library_internal(s, "%s/%s", filename, flags, s->library_paths, s->nb_library_paths); } ST_FUNC int tcc_add_crt(TCCState *s, const char *filename) { if (-1 == tcc_add_library_internal(s, "%s/%s", filename, 0, s->crt_paths, s->nb_crt_paths)) tcc_error_noabort("file '%s' not found", filename); return 0; } /* the library name is the same as the argument of the '-l' option */ LIBTCCAPI int tcc_add_library(TCCState *s, const char *libraryname) { #if defined TCC_TARGET_PE const char *libs[] = { "%s/%s.def", "%s/lib%s.def", "%s/%s.dll", "%s/lib%s.dll", "%s/lib%s.a", NULL }; const char **pp = s->static_link ? libs + 4 : libs; #elif defined TCC_TARGET_MACHO const char *libs[] = { "%s/lib%s.dylib", "%s/lib%s.a", NULL }; const char **pp = s->static_link ? libs + 1 : libs; #else const char *libs[] = { "%s/lib%s.so", "%s/lib%s.a", NULL }; const char **pp = s->static_link ? libs + 1 : libs; #endif while (*pp) { if (0 == tcc_add_library_internal(s, *pp, libraryname, 0, s->library_paths, s->nb_library_paths)) return 0; ++pp; } return -1; } PUB_FUNC int tcc_add_library_err(TCCState *s, const char *libname) { int ret = tcc_add_library(s, libname); if (ret < 0) tcc_error_noabort("library '%s' not found", libname); return ret; } /* handle #pragma comment(lib,) */ ST_FUNC void tcc_add_pragma_libs(TCCState *s1) { int i; for (i = 0; i < s1->nb_pragma_libs; i++) tcc_add_library_err(s1, s1->pragma_libs[i]); } LIBTCCAPI int tcc_add_symbol(TCCState *s, const char *name, const void *val) { #ifdef TCC_TARGET_PE /* On x86_64 'val' might not be reachable with a 32bit offset. So it is handled here as if it were in a DLL. */ pe_putimport(s, 0, name, (uintptr_t)val); #else set_elf_sym(symtab_section, (uintptr_t)val, 0, ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0, SHN_ABS, name); #endif return 0; } LIBTCCAPI void tcc_set_lib_path(TCCState *s, const char *path) { tcc_free(s->tcc_lib_path); s->tcc_lib_path = tcc_strdup(path); } #define WD_ALL 0x0001 /* warning is activated when using -Wall */ #define FD_INVERT 0x0002 /* invert value before storing */ typedef struct FlagDef { uint16_t offset; uint16_t flags; const char *name; } FlagDef; static int no_flag(const char **pp) { const char *p = *pp; if (*p != 'n' || *++p != 'o' || *++p != '-') return 0; *pp = p + 1; return 1; } ST_FUNC int set_flag(TCCState *s, const FlagDef *flags, const char *name) { int value, ret; const FlagDef *p; const char *r; value = 1; r = name; if (no_flag(&r)) value = 0; for (ret = -1, p = flags; p->name; ++p) { if (ret) { if (strcmp(r, p->name)) continue; } else { if (0 == (p->flags & WD_ALL)) continue; } if (p->offset) { *(int*)((char *)s + p->offset) = p->flags & FD_INVERT ? !value : value; if (ret) return 0; } else { ret = 0; } } return ret; } static int strstart(const char *val, const char **str) { const char *p, *q; p = *str; q = val; while (*q) { if (*p != *q) return 0; p++; q++; } *str = p; return 1; } /* Like strstart, but automatically takes into account that ld options can * * - start with double or single dash (e.g. '--soname' or '-soname') * - arguments can be given as separate or after '=' (e.g. '-Wl,-soname,x.so' * or '-Wl,-soname=x.so') * * you provide `val` always in 'option[=]' form (no leading -) */ static int link_option(const char *str, const char *val, const char **ptr) { const char *p, *q; int ret; /* there should be 1 or 2 dashes */ if (*str++ != '-') return 0; if (*str == '-') str++; /* then str & val should match (potentially up to '=') */ p = str; q = val; ret = 1; if (q[0] == '?') { ++q; if (no_flag(&p)) ret = -1; } while (*q != '\0' && *q != '=') { if (*p != *q) return 0; p++; q++; } /* '=' near eos means ',' or '=' is ok */ if (*q == '=') { if (*p == 0) *ptr = p; if (*p != ',' && *p != '=') return 0; p++; } else if (*p) { return 0; } *ptr = p; return ret; } static const char *skip_linker_arg(const char **str) { const char *s1 = *str; const char *s2 = strchr(s1, ','); *str = s2 ? s2++ : (s2 = s1 + strlen(s1)); return s2; } static void copy_linker_arg(char **pp, const char *s, int sep) { const char *q = s; char *p = *pp; int l = 0; if (p && sep) p[l = strlen(p)] = sep, ++l; skip_linker_arg(&q); pstrncpy(l + (*pp = tcc_realloc(p, q - s + l + 1)), s, q - s); } /* set linker options */ static int tcc_set_linker(TCCState *s, const char *option) { while (*option) { const char *p = NULL; char *end = NULL; int ignoring = 0; int ret; if (link_option(option, "Bsymbolic", &p)) { s->symbolic = 1; } else if (link_option(option, "nostdlib", &p)) { s->nostdlib = 1; } else if (link_option(option, "fini=", &p)) { copy_linker_arg(&s->fini_symbol, p, 0); ignoring = 1; } else if (link_option(option, "image-base=", &p) || link_option(option, "Ttext=", &p)) { s->text_addr = strtoull(p, &end, 16); s->has_text_addr = 1; } else if (link_option(option, "init=", &p)) { copy_linker_arg(&s->init_symbol, p, 0); ignoring = 1; } else if (link_option(option, "oformat=", &p)) { #if defined(TCC_TARGET_PE) if (strstart("pe-", &p)) { #elif PTR_SIZE == 8 if (strstart("elf64-", &p)) { #else if (strstart("elf32-", &p)) { #endif s->output_format = TCC_OUTPUT_FORMAT_ELF; } else if (!strcmp(p, "binary")) { s->output_format = TCC_OUTPUT_FORMAT_BINARY; #ifdef TCC_TARGET_COFF } else if (!strcmp(p, "coff")) { s->output_format = TCC_OUTPUT_FORMAT_COFF; #endif } else goto err; } else if (link_option(option, "as-needed", &p)) { ignoring = 1; } else if (link_option(option, "O", &p)) { ignoring = 1; } else if (link_option(option, "export-all-symbols", &p)) { s->rdynamic = 1; } else if (link_option(option, "rpath=", &p)) { copy_linker_arg(&s->rpath, p, ':'); } else if (link_option(option, "enable-new-dtags", &p)) { s->enable_new_dtags = 1; } else if (link_option(option, "section-alignment=", &p)) { s->section_align = strtoul(p, &end, 16); } else if (link_option(option, "soname=", &p)) { copy_linker_arg(&s->soname, p, 0); #ifdef TCC_TARGET_PE } else if (link_option(option, "large-address-aware", &p)) { s->pe_characteristics |= 0x20; } else if (link_option(option, "file-alignment=", &p)) { s->pe_file_align = strtoul(p, &end, 16); } else if (link_option(option, "stack=", &p)) { s->pe_stack_size = strtoul(p, &end, 10); } else if (link_option(option, "subsystem=", &p)) { #if defined(TCC_TARGET_I386) || defined(TCC_TARGET_X86_64) if (!strcmp(p, "native")) { s->pe_subsystem = 1; } else if (!strcmp(p, "console")) { s->pe_subsystem = 3; } else if (!strcmp(p, "gui") || !strcmp(p, "windows")) { s->pe_subsystem = 2; } else if (!strcmp(p, "posix")) { s->pe_subsystem = 7; } else if (!strcmp(p, "efiapp")) { s->pe_subsystem = 10; } else if (!strcmp(p, "efiboot")) { s->pe_subsystem = 11; } else if (!strcmp(p, "efiruntime")) { s->pe_subsystem = 12; } else if (!strcmp(p, "efirom")) { s->pe_subsystem = 13; #elif defined(TCC_TARGET_ARM) if (!strcmp(p, "wince")) { s->pe_subsystem = 9; #endif } else goto err; #endif } else if (ret = link_option(option, "?whole-archive", &p), ret) { s->alacarte_link = ret < 0; } else if (p) { return 0; } else { err: tcc_error("unsupported linker option '%s'", option); } if (ignoring && s->warn_unsupported) tcc_warning("unsupported linker option '%s'", option); option = skip_linker_arg(&p); } return 1; } typedef struct TCCOption { const char *name; uint16_t index; uint16_t flags; } TCCOption; enum { TCC_OPTION_HELP, TCC_OPTION_HELP2, TCC_OPTION_v, TCC_OPTION_I, TCC_OPTION_D, TCC_OPTION_U, TCC_OPTION_P, TCC_OPTION_L, TCC_OPTION_B, TCC_OPTION_l, TCC_OPTION_bench, TCC_OPTION_bt, TCC_OPTION_b, TCC_OPTION_g, TCC_OPTION_c, TCC_OPTION_dumpversion, TCC_OPTION_d, TCC_OPTION_static, TCC_OPTION_std, TCC_OPTION_shared, TCC_OPTION_soname, TCC_OPTION_o, TCC_OPTION_r, TCC_OPTION_s, TCC_OPTION_traditional, TCC_OPTION_Wl, TCC_OPTION_Wp, TCC_OPTION_W, TCC_OPTION_O, TCC_OPTION_mfloat_abi, TCC_OPTION_m, TCC_OPTION_f, TCC_OPTION_isystem, TCC_OPTION_iwithprefix, TCC_OPTION_include, TCC_OPTION_nostdinc, TCC_OPTION_nostdlib, TCC_OPTION_print_search_dirs, TCC_OPTION_rdynamic, TCC_OPTION_param, TCC_OPTION_pedantic, TCC_OPTION_pthread, TCC_OPTION_run, TCC_OPTION_w, TCC_OPTION_pipe, TCC_OPTION_E, TCC_OPTION_MD, TCC_OPTION_MF, TCC_OPTION_x, TCC_OPTION_ar, TCC_OPTION_impdef }; #define TCC_OPTION_HAS_ARG 0x0001 #define TCC_OPTION_NOSEP 0x0002 /* cannot have space before option and arg */ static const TCCOption tcc_options[] = { { "h", TCC_OPTION_HELP, 0 }, { "-help", TCC_OPTION_HELP, 0 }, { "?", TCC_OPTION_HELP, 0 }, { "hh", TCC_OPTION_HELP2, 0 }, { "v", TCC_OPTION_v, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, { "I", TCC_OPTION_I, TCC_OPTION_HAS_ARG }, { "D", TCC_OPTION_D, TCC_OPTION_HAS_ARG }, { "U", TCC_OPTION_U, TCC_OPTION_HAS_ARG }, { "P", TCC_OPTION_P, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, { "L", TCC_OPTION_L, TCC_OPTION_HAS_ARG }, { "B", TCC_OPTION_B, TCC_OPTION_HAS_ARG }, { "l", TCC_OPTION_l, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, { "bench", TCC_OPTION_bench, 0 }, #ifdef CONFIG_TCC_BACKTRACE { "bt", TCC_OPTION_bt, TCC_OPTION_HAS_ARG }, #endif #ifdef CONFIG_TCC_BCHECK { "b", TCC_OPTION_b, 0 }, #endif { "g", TCC_OPTION_g, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, { "c", TCC_OPTION_c, 0 }, { "dumpversion", TCC_OPTION_dumpversion, 0}, { "d", TCC_OPTION_d, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, { "static", TCC_OPTION_static, 0 }, { "std", TCC_OPTION_std, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, { "shared", TCC_OPTION_shared, 0 }, { "soname", TCC_OPTION_soname, TCC_OPTION_HAS_ARG }, { "o", TCC_OPTION_o, TCC_OPTION_HAS_ARG }, { "-param", TCC_OPTION_param, TCC_OPTION_HAS_ARG }, { "pedantic", TCC_OPTION_pedantic, 0}, { "pthread", TCC_OPTION_pthread, 0}, { "run", TCC_OPTION_run, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, { "rdynamic", TCC_OPTION_rdynamic, 0 }, { "r", TCC_OPTION_r, 0 }, { "s", TCC_OPTION_s, 0 }, { "traditional", TCC_OPTION_traditional, 0 }, { "Wl,", TCC_OPTION_Wl, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, { "Wp,", TCC_OPTION_Wp, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, { "W", TCC_OPTION_W, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, { "O", TCC_OPTION_O, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, #ifdef TCC_TARGET_ARM { "mfloat-abi", TCC_OPTION_mfloat_abi, TCC_OPTION_HAS_ARG }, #endif { "m", TCC_OPTION_m, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, { "f", TCC_OPTION_f, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, { "isystem", TCC_OPTION_isystem, TCC_OPTION_HAS_ARG }, { "include", TCC_OPTION_include, TCC_OPTION_HAS_ARG }, { "nostdinc", TCC_OPTION_nostdinc, 0 }, { "nostdlib", TCC_OPTION_nostdlib, 0 }, { "print-search-dirs", TCC_OPTION_print_search_dirs, 0 }, { "w", TCC_OPTION_w, 0 }, { "pipe", TCC_OPTION_pipe, 0}, { "E", TCC_OPTION_E, 0}, { "MD", TCC_OPTION_MD, 0}, { "MF", TCC_OPTION_MF, TCC_OPTION_HAS_ARG }, { "x", TCC_OPTION_x, TCC_OPTION_HAS_ARG }, { "ar", TCC_OPTION_ar, 0}, #ifdef TCC_TARGET_PE { "impdef", TCC_OPTION_impdef, 0}, #endif { NULL, 0, 0 }, }; static const FlagDef options_W[] = { { 0, 0, "all" }, { offsetof(TCCState, warn_unsupported), 0, "unsupported" }, { offsetof(TCCState, warn_write_strings), 0, "write-strings" }, { offsetof(TCCState, warn_error), 0, "error" }, { offsetof(TCCState, warn_gcc_compat), 0, "gcc-compat" }, { offsetof(TCCState, warn_implicit_function_declaration), WD_ALL, "implicit-function-declaration" }, { 0, 0, NULL } }; static const FlagDef options_f[] = { { offsetof(TCCState, char_is_unsigned), 0, "unsigned-char" }, { offsetof(TCCState, char_is_unsigned), FD_INVERT, "signed-char" }, { offsetof(TCCState, nocommon), FD_INVERT, "common" }, { offsetof(TCCState, leading_underscore), 0, "leading-underscore" }, { offsetof(TCCState, ms_extensions), 0, "ms-extensions" }, { offsetof(TCCState, dollars_in_identifiers), 0, "dollars-in-identifiers" }, { 0, 0, NULL } }; static const FlagDef options_m[] = { { offsetof(TCCState, ms_bitfields), 0, "ms-bitfields" }, #ifdef TCC_TARGET_X86_64 { offsetof(TCCState, nosse), FD_INVERT, "sse" }, #endif { 0, 0, NULL } }; static void parse_option_D(TCCState *s1, const char *optarg) { char *sym = tcc_strdup(optarg); char *value = strchr(sym, '='); if (value) *value++ = '\0'; tcc_define_symbol(s1, sym, value); tcc_free(sym); } static void args_parser_add_file(TCCState *s, const char* filename, int filetype) { struct filespec *f = tcc_malloc(sizeof *f + strlen(filename)); f->type = filetype; f->alacarte = s->alacarte_link; strcpy(f->name, filename); dynarray_add(&s->files, &s->nb_files, f); } static int args_parser_make_argv(const char *r, int *argc, char ***argv) { int ret = 0, q, c; CString str; for(;;) { while (c = (unsigned char)*r, c && c <= ' ') ++r; if (c == 0) break; q = 0; cstr_new(&str); while (c = (unsigned char)*r, c) { ++r; if (c == '\\' && (*r == '"' || *r == '\\')) { c = *r++; } else if (c == '"') { q = !q; continue; } else if (q == 0 && c <= ' ') { break; } cstr_ccat(&str, c); } cstr_ccat(&str, 0); //printf("<%s>\n", str.data), fflush(stdout); dynarray_add(argv, argc, tcc_strdup(str.data)); cstr_free(&str); ++ret; } return ret; } /* read list file */ static void args_parser_listfile(TCCState *s, const char *filename, int optind, int *pargc, char ***pargv) { int fd, i; size_t len; char *p; int argc = 0; char **argv = NULL; fd = open(filename, O_RDONLY | O_BINARY); if (fd < 0) tcc_error("listfile '%s' not found", filename); len = lseek(fd, 0, SEEK_END); p = tcc_malloc(len + 1), p[len] = 0; lseek(fd, 0, SEEK_SET), read(fd, p, len), close(fd); for (i = 0; i < *pargc; ++i) if (i == optind) args_parser_make_argv(p, &argc, &argv); else dynarray_add(&argv, &argc, tcc_strdup((*pargv)[i])); tcc_free(p); dynarray_reset(&s->argv, &s->argc); *pargc = s->argc = argc, *pargv = s->argv = argv; } PUB_FUNC int tcc_parse_args(TCCState *s, int *pargc, char ***pargv, int optind) { const TCCOption *popt; const char *optarg, *r; const char *run = NULL; int last_o = -1; int x; CString linker_arg; /* collect -Wl options */ int tool = 0, arg_start = 0, noaction = optind; char **argv = *pargv; int argc = *pargc; cstr_new(&linker_arg); while (optind < argc) { r = argv[optind]; if (r[0] == '@' && r[1] != '\0') { args_parser_listfile(s, r + 1, optind, &argc, &argv); continue; } optind++; if (tool) { if (r[0] == '-' && r[1] == 'v' && r[2] == 0) ++s->verbose; continue; } reparse: if (r[0] != '-' || r[1] == '\0') { if (r[0] != '@') /* allow "tcc file(s) -run @ args ..." */ args_parser_add_file(s, r, s->filetype); if (run) { tcc_set_options(s, run); arg_start = optind - 1; break; } continue; } /* find option in table */ for(popt = tcc_options; ; ++popt) { const char *p1 = popt->name; const char *r1 = r + 1; if (p1 == NULL) tcc_error("invalid option -- '%s'", r); if (!strstart(p1, &r1)) continue; optarg = r1; if (popt->flags & TCC_OPTION_HAS_ARG) { if (*r1 == '\0' && !(popt->flags & TCC_OPTION_NOSEP)) { if (optind >= argc) arg_err: tcc_error("argument to '%s' is missing", r); optarg = argv[optind++]; } } else if (*r1 != '\0') continue; break; } switch(popt->index) { case TCC_OPTION_HELP: return OPT_HELP; case TCC_OPTION_HELP2: return OPT_HELP2; case TCC_OPTION_I: tcc_add_include_path(s, optarg); break; case TCC_OPTION_D: parse_option_D(s, optarg); break; case TCC_OPTION_U: tcc_undefine_symbol(s, optarg); break; case TCC_OPTION_L: tcc_add_library_path(s, optarg); break; case TCC_OPTION_B: /* set tcc utilities path (mainly for tcc development) */ tcc_set_lib_path(s, optarg); break; case TCC_OPTION_l: args_parser_add_file(s, optarg, AFF_TYPE_LIB); s->nb_libraries++; break; case TCC_OPTION_pthread: parse_option_D(s, "_REENTRANT"); s->option_pthread = 1; break; case TCC_OPTION_bench: s->do_bench = 1; break; #ifdef CONFIG_TCC_BACKTRACE case TCC_OPTION_bt: tcc_set_num_callers(atoi(optarg)); break; #endif #ifdef CONFIG_TCC_BCHECK case TCC_OPTION_b: s->do_bounds_check = 1; s->do_debug = 1; break; #endif case TCC_OPTION_g: s->do_debug = 1; break; case TCC_OPTION_c: x = TCC_OUTPUT_OBJ; set_output_type: if (s->output_type) tcc_warning("-%s: overriding compiler action already specified", popt->name); s->output_type = x; break; case TCC_OPTION_d: if (*optarg == 'D') s->dflag = 3; else if (*optarg == 'M') s->dflag = 7; else if (*optarg == 't') s->dflag = 16; else if (isnum(*optarg)) g_debug = atoi(optarg); else goto unsupported_option; break; case TCC_OPTION_static: s->static_link = 1; break; case TCC_OPTION_std: /* silently ignore, a current purpose: allow to use a tcc as a reference compiler for "make test" */ break; case TCC_OPTION_shared: x = TCC_OUTPUT_DLL; goto set_output_type; case TCC_OPTION_soname: s->soname = tcc_strdup(optarg); break; case TCC_OPTION_o: if (s->outfile) { tcc_warning("multiple -o option"); tcc_free(s->outfile); } s->outfile = tcc_strdup(optarg); break; case TCC_OPTION_r: /* generate a .o merging several output files */ s->option_r = 1; x = TCC_OUTPUT_OBJ; goto set_output_type; case TCC_OPTION_isystem: tcc_add_sysinclude_path(s, optarg); break; case TCC_OPTION_include: dynarray_add(&s->cmd_include_files, &s->nb_cmd_include_files, tcc_strdup(optarg)); break; case TCC_OPTION_nostdinc: s->nostdinc = 1; break; case TCC_OPTION_nostdlib: s->nostdlib = 1; break; case TCC_OPTION_run: #ifndef TCC_IS_NATIVE tcc_error("-run is not available in a cross compiler"); #endif run = optarg; x = TCC_OUTPUT_MEMORY; goto set_output_type; case TCC_OPTION_v: do ++s->verbose; while (*optarg++ == 'v'); ++noaction; break; case TCC_OPTION_f: if (set_flag(s, options_f, optarg) < 0) goto unsupported_option; break; #ifdef TCC_TARGET_ARM case TCC_OPTION_mfloat_abi: /* tcc doesn't support soft float yet */ if (!strcmp(optarg, "softfp")) { s->float_abi = ARM_SOFTFP_FLOAT; tcc_undefine_symbol(s, "__ARM_PCS_VFP"); } else if (!strcmp(optarg, "hard")) s->float_abi = ARM_HARD_FLOAT; else tcc_error("unsupported float abi '%s'", optarg); break; #endif case TCC_OPTION_m: if (set_flag(s, options_m, optarg) < 0) { if (x = atoi(optarg), x != 32 && x != 64) goto unsupported_option; if (PTR_SIZE != x/8) return x; ++noaction; } break; case TCC_OPTION_W: if (set_flag(s, options_W, optarg) < 0) goto unsupported_option; break; case TCC_OPTION_w: s->warn_none = 1; break; case TCC_OPTION_rdynamic: s->rdynamic = 1; break; case TCC_OPTION_Wl: if (linker_arg.size) --linker_arg.size, cstr_ccat(&linker_arg, ','); cstr_cat(&linker_arg, optarg, 0); if (tcc_set_linker(s, linker_arg.data)) cstr_free(&linker_arg); break; case TCC_OPTION_Wp: r = optarg; goto reparse; case TCC_OPTION_E: x = TCC_OUTPUT_PREPROCESS; goto set_output_type; case TCC_OPTION_P: s->Pflag = atoi(optarg) + 1; break; case TCC_OPTION_MD: s->gen_deps = 1; break; case TCC_OPTION_MF: s->deps_outfile = tcc_strdup(optarg); break; case TCC_OPTION_dumpversion: printf ("%s\n", TCC_VERSION); exit(0); break; case TCC_OPTION_x: if (*optarg == 'c') s->filetype = AFF_TYPE_C; else if (*optarg == 'a') s->filetype = AFF_TYPE_ASMPP; else if (*optarg == 'n') s->filetype = AFF_TYPE_NONE; else tcc_warning("unsupported language '%s'", optarg); break; case TCC_OPTION_O: last_o = atoi(optarg); break; case TCC_OPTION_print_search_dirs: x = OPT_PRINT_DIRS; goto extra_action; case TCC_OPTION_impdef: x = OPT_IMPDEF; goto extra_action; case TCC_OPTION_ar: x = OPT_AR; extra_action: arg_start = optind - 1; if (arg_start != noaction) tcc_error("cannot parse %s here", r); tool = x; break; case TCC_OPTION_traditional: case TCC_OPTION_pedantic: case TCC_OPTION_pipe: case TCC_OPTION_s: /* ignored */ break; default: unsupported_option: if (s->warn_unsupported) tcc_warning("unsupported option '%s'", r); break; } } if (last_o > 0) tcc_define_symbol(s, "__OPTIMIZE__", NULL); if (linker_arg.size) { r = linker_arg.data; goto arg_err; } *pargc = argc - arg_start; *pargv = argv + arg_start; if (tool) return tool; if (optind != noaction) return 0; if (s->verbose == 2) return OPT_PRINT_DIRS; if (s->verbose) return OPT_V; return OPT_HELP; } LIBTCCAPI void tcc_set_options(TCCState *s, const char *r) { char **argv = NULL; int argc = 0; args_parser_make_argv(r, &argc, &argv); tcc_parse_args(s, &argc, &argv, 0); dynarray_reset(&argv, &argc); } PUB_FUNC void tcc_print_stats(TCCState *s, unsigned total_time) { if (total_time < 1) total_time = 1; if (total_bytes < 1) total_bytes = 1; fprintf(stderr, "* %d idents, %d lines, %d bytes\n" "* %0.3f s, %u lines/s, %0.1f MB/s\n", tok_ident - TOK_IDENT, total_lines, total_bytes, (double)total_time/1000, (unsigned)total_lines*1000/total_time, (double)total_bytes/1000/total_time); #ifdef MEM_DEBUG fprintf(stderr, "* %d bytes memory used\n", mem_max_size); #endif }