forked from KolibriOS/kolibrios
377 lines
12 KiB
C
377 lines
12 KiB
C
/*
|
|
* 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"
|
|
#elif defined TCC_TARGET_MEOS
|
|
" KolibriOS"
|
|
#ifdef TCC_TARGET_KX
|
|
"/KX extension"
|
|
//TCC_KX_VERSION_INFO
|
|
#endif
|
|
#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"
|
|
" -xc -xa specify type of the next infile\n"
|
|
" - use stdin pipe as infile\n"
|
|
" @listfile read line separated 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"
|
|
" -P[1] no/alternative output of #line directives\n"
|
|
" -d{D|M} dump defines\n"
|
|
" -C keep comments\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"
|
|
" -stack=size set PE/KOS32 stack size\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"
|
|
#if defined(TCC_TARGET_MEOS) && !defined (TCC_TARGET_KX)
|
|
"For KolibriOS only:\n"
|
|
" -nobss do not emit BSS section into file\n"
|
|
#endif
|
|
);
|
|
}
|
|
|
|
/* re-execute the i386/x86_64 cross-compilers with tcc -m32/-m64: */
|
|
#if (defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64) && !defined(TCC_TARGET_MEOS)
|
|
#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");
|
|
#elif defined TCC_TARGET_MEOS
|
|
strcat(child_name, "-kos32");
|
|
#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
|
|
LARGE_INTEGER frequency, t1;
|
|
QueryPerformanceFrequency(&frequency);
|
|
QueryPerformanceCounter(&t1);
|
|
return t1.QuadPart * 1000000LL / frequency.QuadPart;
|
|
#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");
|
|
}
|
|
}
|
|
|
|
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) {
|
|
/* don't fail on -lm as it's harmless to skip math lib */
|
|
if (strcmp(filename + 2, "m")) {
|
|
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("internal 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;
|
|
}
|