/*

* 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"

#if ONE_SOURCE

# include "libtcc.c"

#endif

#include "tcctools.c"

static const char help[] =

"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 tcc -hh)\n"

" -Wwarning set or reset (with 'no-' prefix) 'warning' (see tcc -hh)\n"

" -w disable all warnings\n"

" -v -vv show version, show search paths or loaded files\n"

" -h -hh show this, show more help\n"

" -bench show compilation statistics\n"

" - use stdin pipe as infile\n"

" @listfile read arguments from listfile\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"

"Linker options:\n"

" -Ldir add library path 'dir'\n"

" -llib link with dynamic or static library 'lib'\n"

" -r generate (relocatable) object file\n"

" -shared generate a shared library/dll\n"

" -rdynamic export all global symbols to dynamic linker\n"

" -soname set name for shared library to be used at runtime\n"

" -Wl,-opt[=val] set linker option (see tcc -hh)\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"

" -x[c|a|n] specify type of the next infile\n"

" -nostdinc do not use standard system include paths\n"

" -nostdlib do not link with standard crt and libraries\n"

" -Bdir set tcc's private include/library dir\n"

" -MD generate dependency file for make\n"

" -MF file specify dependency file name\n"

" -m32/64 defer to i386/x86_64 cross compiler\n"

"Tools:\n"

" create library : tcc -ar [rcsv] lib.a files\n"

#ifdef TCC_TARGET_PE

" create def file : tcc -impdef lib.dll [-v] [-o lib.def]\n"

#endif

;

static const char help2[] =

"Tiny C Compiler "TCC_VERSION" - More Options\n"

"Special options:\n"

" -P -P1 with -E: no/alternative #line output\n"

" -dD -dM with -E: output #define directives\n"

" -pthread same as -D_REENTRANT and -lpthread\n"

" -On same as -D__OPTIMIZE__ for n > 0\n"

" -Wp,-opt same as -opt\n"

" -include file include 'file' above each input file\n"

" -isystem dir add 'dir' to system include path\n"

" -static link to static libraries (not recommended)\n"

" -dumpversion print version\n"

" -print-search-dirs print search paths\n"

" -dt with -run/-E: auto-define 'test_...' macros\n"

"Ignored options:\n"

" --param -pedantic -pipe -s -std -traditional\n"

"-W... warnings:\n"

" all turn on some (*) warnings\n"

" error stop after first warning\n"

" unsupported warn about ignored options, pragmas, etc.\n"

" write-strings strings are const\n"

" implicit-function-declaration warn for missing prototype (*)\n"

"-f[no-]... flags:\n"

" unsigned-char default char is unsigned\n"

" signed-char default char is signed\n"

" common use common section instead of bss\n"

" leading-underscore decorate extern symbols\n"

" ms-extensions allow anonymous struct in struct\n"

" dollars-in-identifiers allow '$' in C symbols\n"

"-m... target specific options:\n"

" ms-bitfields use MSVC bitfield layout\n"

#ifdef TCC_TARGET_ARM

" float-abi hard/softfp on arm\n"

#endif

#ifdef TCC_TARGET_X86_64

" no-sse disable floats on x86_64\n"

#endif

"-Wl,... linker options:\n"

" -nostdlib do not link with standard crt/libs\n"

" -[no-]whole-archive load lib(s) fully/only as needed\n"

" -export-all-symbols same as -rdynamic\n"

" -image-base= -Ttext= set base address of executable\n"

" -section-alignment= set section alignment in executable\n"

#ifdef TCC_TARGET_PE

" -file-alignment= set PE file alignment\n"

" -stack= set PE stack reserve\n"

" -large-address-aware set related PE option\n"

" -subsystem=[console/windows] set PE subsystem\n"

" -oformat=[pe-* binary] set executable output format\n"

"Predefined macros:\n"

" tcc -E -dM - < nul\n"

#else

" -rpath= set dynamic library search path\n"

" -enable-new-dtags set DT_RUNPATH instead of DT_RPATH\n"

" -soname= set DT_SONAME elf tag\n"

" -Bsymbolic set DT_SYMBOLIC elf tag\n"

" -oformat=[elf32/64-* binary] set executable output format\n"

" -init= -fini= -as-needed -O (ignored)\n"

"Predefined macros:\n"

" tcc -E -dM - < /dev/null\n"

#endif

"See also the manual for more details.\n"

;

static const char version[] =

"tcc version "TCC_VERSION" ("

#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"

#elif defined TCC_TARGET_ARM64

"AArch64"

#endif

#ifdef TCC_ARM_HARDFLOAT

" Hard Float"

#endif

#ifdef TCC_TARGET_PE

" Windows"

#elif defined(TCC_TARGET_MACHO)

" Darwin"

#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)

" FreeBSD"

#else

" Linux"

#endif

")\n"

;

static void print_dirs(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 print_search_dirs(TCCState *s)

{

printf("install: %s\n", s->tcc_lib_path);

/* print_dirs("programs", NULL, 0); */

print_dirs("include", s->sysinclude_paths, s->nb_sysinclude_paths);

print_dirs("libraries", s->library_paths, s->nb_library_paths);

printf("libtcc1:\n %s/"TCC_LIBTCC1"\n", s->tcc_lib_path);

#ifndef TCC_TARGET_PE

print_dirs("crt", s->crt_paths, s->nb_crt_paths);

printf("elfinterp:\n %s\n", DEFAULT_ELFINTERP(s));

#endif

}

static void set_environment(TCCState *s)

{

char * path;

path = getenv("C_INCLUDE_PATH");

if(path != NULL) {

tcc_add_sysinclude_path(s, path);

}

path = getenv("CPATH");

if(path != NULL) {

tcc_add_include_path(s, path);

}

path = getenv("LIBRARY_PATH");

if(path != NULL) {

tcc_add_library_path(s, path);

}

}

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);

snprintf(buf, sizeof(buf), "%s", 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 && *ext)

strcpy(ext, ".o");

else

strcpy(buf, "a.out");

return tcc_strdup(buf);

}

static unsigned getclock_ms(void)

{

#ifdef _WIN32

return GetTickCount();

#else

struct timeval tv;

gettimeofday(&tv, NULL);

return tv.tv_sec*1000 + (tv.tv_usec+500)/1000;

#endif

}

int main(int argc0, char **argv0)

{

TCCState *s;

int ret, opt, n = 0, t = 0;

unsigned start_time = 0;

const char *first_file;

int argc; char **argv;

FILE *ppfp = stdout;

redo:

argc = argc0, argv = argv0;

s = tcc_new();

opt = tcc_parse_args(s, &argc, &argv, 1);

if ((n | t) == 0) {

if (opt == OPT_HELP)

return printf(help), 1;

if (opt == OPT_HELP2)

return printf(help2), 1;

if (opt == OPT_M32 || opt == OPT_M64)

tcc_tool_cross(s, argv, opt); /* never returns */

if (s->verbose)

printf(version);

if (opt == OPT_AR)

return tcc_tool_ar(s, argc, argv);

#ifdef TCC_TARGET_PE

if (opt == OPT_IMPDEF)

return tcc_tool_impdef(s, argc, argv);

#endif

if (opt == OPT_V)

return 0;

if (opt == OPT_PRINT_DIRS) {

/* initialize search dirs */

set_environment(s);

tcc_set_output_type(s, TCC_OUTPUT_MEMORY);

print_search_dirs(s);

return 0;

}

n = s->nb_files;

if (n == 0)

tcc_error("no input files\n");

if (s->output_type == TCC_OUTPUT_PREPROCESS) {

if (s->outfile) {

ppfp = fopen(s->outfile, "w");

if (!ppfp)

tcc_error("could not write '%s'", s->outfile);

}

} else if (s->output_type == TCC_OUTPUT_OBJ && !s->option_r) {

if (s->nb_libraries)

tcc_error("cannot specify libraries with -c");

if (n > 1 && s->outfile)

tcc_error("cannot specify output file with -c many files");

} else {

if (s->option_pthread)

tcc_set_options(s, "-lpthread");

}

if (s->do_bench)

start_time = getclock_ms();

}

set_environment(s);

if (s->output_type == 0)

s->output_type = TCC_OUTPUT_EXE;

tcc_set_output_type(s, s->output_type);

s->ppfp = ppfp;

if ((s->output_type == TCC_OUTPUT_MEMORY

|| s->output_type == TCC_OUTPUT_PREPROCESS) && (s->dflag & 16))

s->dflag |= t ? 32 : 0, s->run_test = ++t, n = s->nb_files;

/* compile or add each files or library */

for (first_file = NULL, ret = 0;;) {

struct filespec *f = s->files[s->nb_files - n];

s->filetype = f->type;

s->alacarte_link = f->alacarte;

if (f->type == AFF_TYPE_LIB) {

if (tcc_add_library_err(s, f->name) < 0)

ret = 1;

} else {

if (1 == s->verbose)

printf("-> %s\n", f->name);

if (!first_file)

first_file = f->name;

if (tcc_add_file(s, f->name) < 0)

ret = 1;

}

s->filetype = 0;

s->alacarte_link = 1;

if (--n == 0 || ret

|| (s->output_type == TCC_OUTPUT_OBJ && !s->option_r))

break;

}

if (s->run_test) {

t = 0;

} else if (s->output_type == TCC_OUTPUT_PREPROCESS) {

;

} else if (0 == ret) {

if (s->output_type == TCC_OUTPUT_MEMORY) {

#ifdef TCC_IS_NATIVE

ret = tcc_run(s, argc, argv);

#endif

} else {

if (!s->outfile)

s->outfile = default_outputfile(s, first_file);

if (tcc_output_file(s, s->outfile))

ret = 1;

else if (s->gen_deps)

gen_makedeps(s, s->outfile, s->deps_outfile);

}

}

if (s->do_bench && (n | t | ret) == 0)

tcc_print_stats(s, getclock_ms() - start_time);

tcc_delete(s);

if (ret == 0 && n)

goto redo; /* compile more files with -c */

if (t)

goto redo; /* run more tests with -dt -run */

if (ppfp && ppfp != stdout)

fclose(ppfp);

return ret;

}