mirror of
https://github.com/frida/tinycc
synced 2024-11-24 16:49:44 +03:00
43d9a7de9b
- tcc-doc.texi: commandline option info update - Changelog/TODO: update - tests/tcctest.py: removed - tests/Makefile: weaktest fixed - tests/tests2: some files renamed and/or converted to unix LF - configure/Makefile: --enable-static option (no dll on win32) - win32/build-tcc.bat: msvc support - win32/tcc-win32.txt: build info update - win32/vs2015/: VS solution removed - win32/include/tcc/tcc_libm.h: #include statement fixed - tcc.c: -include <file> option help info - .gitignore: cleanup
405 lines
12 KiB
C
405 lines
12 KiB
C
/*
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* TCC - Tiny C Compiler
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*
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* Copyright (c) 2001-2004 Fabrice Bellard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifdef ONE_SOURCE
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#include "libtcc.c"
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#else
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#include "tcc.h"
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#endif
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static void print_paths(const char *msg, char **paths, int nb_paths)
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{
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int i;
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printf("%s:\n%s", msg, nb_paths ? "" : " -\n");
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for(i = 0; i < nb_paths; i++)
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printf(" %s\n", paths[i]);
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}
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static void display_info(TCCState *s, int what)
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{
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switch (what) {
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case 0:
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printf("tcc version %s ("
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#ifdef TCC_TARGET_I386
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"i386"
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#elif defined TCC_TARGET_X86_64
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"x86-64"
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#elif defined TCC_TARGET_C67
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"C67"
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#elif defined TCC_TARGET_ARM
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"ARM"
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# ifdef TCC_ARM_HARDFLOAT
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" Hard Float"
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# endif
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#elif defined TCC_TARGET_ARM64
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"AArch64"
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# ifdef TCC_ARM_HARDFLOAT
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" Hard Float"
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# endif
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#endif
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#ifdef TCC_TARGET_PE
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" Windows"
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#elif defined(__APPLE__)
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/* Current Apple OS name as of 2016 */
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" macOS"
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#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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" FreeBSD"
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#elif defined(__DragonFly__)
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" DragonFly BSD"
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#elif defined(__NetBSD__)
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" NetBSD"
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#elif defined(__OpenBSD__)
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" OpenBSD"
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#elif defined(__linux__)
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" Linux"
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#else
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" Unidentified system"
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#endif
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")\n", TCC_VERSION);
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break;
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case 1:
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printf("install: %s\n", s->tcc_lib_path);
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/* print_paths("programs", NULL, 0); */
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print_paths("include", s->sysinclude_paths, s->nb_sysinclude_paths);
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print_paths("libraries", s->library_paths, s->nb_library_paths);
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#ifndef TCC_TARGET_PE
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print_paths("crt", s->crt_paths, s->nb_crt_paths);
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printf("elfinterp:\n %s\n", DEFAULT_ELFINTERP(s));
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#endif
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break;
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}
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}
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static void help(void)
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{
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printf("Tiny C Compiler "TCC_VERSION" - Copyright (C) 2001-2006 Fabrice Bellard\n"
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"Usage: tcc [options...] [-o outfile] [-c] infile(s)...\n"
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" tcc [options...] -run infile [arguments...]\n"
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"General options:\n"
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" -c compile only - generate an object file\n"
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" -o outfile set output filename\n"
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" -run run compiled source\n"
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" -fflag set or reset (with 'no-' prefix) 'flag' (see man page)\n"
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" -Wwarning set or reset (with 'no-' prefix) 'warning' (see man page)\n"
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" -w disable all warnings\n"
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" -v show version\n"
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" -vv show included files (as sole argument: show search paths)\n"
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" -bench show compilation statistics\n"
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"Preprocessor options:\n"
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" -Idir add include path 'dir'\n"
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" -Dsym[=val] define 'sym' with value 'val'\n"
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" -Usym undefine 'sym'\n"
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" -E preprocess only\n"
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" -P[1] no / alternative #line output with -E\n"
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" -dD -dM output #define directives with -E\n"
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" -include file include file above each input file\n"
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"Linker options:\n"
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" -Ldir add library path 'dir'\n"
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" -llib link with dynamic or static library 'lib'\n"
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" -r generate (relocatable) object file\n"
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" -shared generate a shared library\n"
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" -rdynamic export all global symbols to dynamic linker\n"
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" -soname set name for shared library to be used at runtime\n"
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" -static static linking\n"
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" -pthread link with -lpthread and -D_REENTRANT (POSIX Linux)\n"
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" -Wl,-opt[=val] set linker option (see manual)\n"
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"Debugger options:\n"
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" -g generate runtime debug info\n"
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#ifdef CONFIG_TCC_BCHECK
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" -b compile with built-in memory and bounds checker (implies -g)\n"
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#endif
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#ifdef CONFIG_TCC_BACKTRACE
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" -bt N show N callers in stack traces\n"
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#endif
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"Misc options:\n"
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" -x[c|a|n] specify type of the next infile\n"
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" -nostdinc do not use standard system include paths\n"
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" -nostdlib do not link with standard crt and libraries\n"
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" -Bdir use 'dir' as tcc's private library/include path\n"
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" -MD generate target dependencies for make\n"
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" -MF depfile put generated dependencies here\n"
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" -dumpversion print version\n"
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" - use stdin pipe as infile\n"
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" @listfile read arguments from listfile\n"
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"Target specific options:\n"
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" -m32/64 execute i386/x86-64 cross compiler\n"
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" -mms-bitfields use MSVC bitfield layout\n"
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#ifdef TCC_TARGET_ARM
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" -mfloat-abi hard/softfp on arm\n"
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#endif
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#ifdef TCC_TARGET_X86_64
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" -mno-sse disable floats on x86-64\n"
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#endif
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);
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}
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/* re-execute the i386/x86_64 cross-compilers with tcc -m32/-m64: */
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#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
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#ifdef _WIN32
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#include <process.h>
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static char *str_replace(const char *str, const char *p, const char *r)
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{
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const char *s, *s0;
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char *d, *d0;
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int sl, pl, rl;
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sl = strlen(str);
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pl = strlen(p);
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rl = strlen(r);
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for (d0 = NULL;; d0 = tcc_malloc(sl + 1)) {
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for (d = d0, s = str; s0 = s, s = strstr(s, p), s; s += pl) {
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if (d) {
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memcpy(d, s0, sl = s - s0), d += sl;
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memcpy(d, r, rl), d += rl;
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} else
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sl += rl - pl;
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}
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if (d) {
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strcpy(d, s0);
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return d0;
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}
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}
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}
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static int execvp_win32(const char *prog, char **argv)
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{
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int ret; char **p;
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/* replace all " by \" */
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for (p = argv; *p; ++p)
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if (strchr(*p, '"'))
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*p = str_replace(*p, "\"", "\\\"");
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ret = _spawnvp(P_NOWAIT, prog, (const char *const*)argv);
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if (-1 == ret)
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return ret;
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cwait(&ret, ret, WAIT_CHILD);
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exit(ret);
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}
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#define execvp execvp_win32
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#endif
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static void exec_other_tcc(TCCState *s, char **argv, int option)
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{
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char child_path[4096], *a0 = argv[0]; const char *target;
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int l;
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switch (option) {
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#ifdef TCC_TARGET_I386
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case 32: break;
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case 64: target = "x86_64";
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#else
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case 64: break;
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case 32: target = "i386";
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#endif
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l = tcc_basename(a0) - a0;
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snprintf(child_path, sizeof child_path,
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#ifdef TCC_TARGET_PE
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"%.*s%s-win32-tcc"
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#else
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"%.*s%s-tcc"
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#endif
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, l, a0, target);
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if (strcmp(a0, child_path)) {
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if (s->verbose > 0)
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printf("tcc: using '%s'\n", child_path + l), fflush(stdout);
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execvp(argv[0] = child_path, argv);
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}
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tcc_error("'%s' not found", child_path + l);
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}
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}
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#else
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#define exec_other_tcc(s, argv, option)
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#endif
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static void gen_makedeps(TCCState *s, const char *target, const char *filename)
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{
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FILE *depout;
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char buf[1024];
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int i;
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if (!filename) {
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/* compute filename automatically: dir/file.o -> dir/file.d */
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snprintf(buf, sizeof buf, "%.*s.d",
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(int)(tcc_fileextension(target) - target), target);
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filename = buf;
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}
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if (s->verbose)
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printf("<- %s\n", filename);
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/* XXX return err codes instead of error() ? */
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depout = fopen(filename, "w");
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if (!depout)
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tcc_error("could not open '%s'", filename);
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fprintf(depout, "%s: \\\n", target);
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for (i=0; i<s->nb_target_deps; ++i)
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fprintf(depout, " %s \\\n", s->target_deps[i]);
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fprintf(depout, "\n");
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fclose(depout);
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}
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static char *default_outputfile(TCCState *s, const char *first_file)
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{
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char buf[1024];
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char *ext;
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const char *name = "a";
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if (first_file && strcmp(first_file, "-"))
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name = tcc_basename(first_file);
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snprintf(buf, sizeof(buf), "%s", name);
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ext = tcc_fileextension(buf);
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#ifdef TCC_TARGET_PE
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if (s->output_type == TCC_OUTPUT_DLL)
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strcpy(ext, ".dll");
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else
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if (s->output_type == TCC_OUTPUT_EXE)
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strcpy(ext, ".exe");
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else
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#endif
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if (s->output_type == TCC_OUTPUT_OBJ && !s->option_r && *ext)
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strcpy(ext, ".o");
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else
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strcpy(buf, "a.out");
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return tcc_strdup(buf);
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}
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static unsigned getclock_ms(void)
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{
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#ifdef _WIN32
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return GetTickCount();
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#else
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struct timeval tv;
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gettimeofday(&tv, NULL);
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return tv.tv_sec*1000 + (tv.tv_usec+500)/1000;
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#endif
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}
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int main(int argc, char **argv)
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{
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TCCState *s;
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int ret, optind, i;
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unsigned start_time = 0;
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const char *first_file = NULL;
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s = tcc_new();
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optind = tcc_parse_args(s, argc - 1, argv + 1);
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tcc_set_environment(s);
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if (optind == 0) {
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help();
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return 1;
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}
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if (s->cross_target)
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exec_other_tcc(s, argv, s->cross_target);
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if (s->verbose)
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display_info(s, 0);
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if (s->nb_files == 0) {
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if (optind == 1) {
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if (s->print_search_dirs || s->verbose == 2) {
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tcc_set_output_type(s, TCC_OUTPUT_MEMORY);
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display_info(s, 1);
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return 1;
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}
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if (s->verbose)
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return 1;
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}
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tcc_error("no input files\n");
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}
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/* check -c consistency : only single file handled. XXX: checks file type */
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if (s->output_type == TCC_OUTPUT_OBJ && !s->option_r) {
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if (s->nb_libraries != 0)
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tcc_error("cannot specify libraries with -c");
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/* accepts only a single input file */
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if (s->nb_files != 1)
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tcc_error("cannot specify multiple files with -c");
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}
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if (s->output_type == 0)
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s->output_type = TCC_OUTPUT_EXE;
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tcc_set_output_type(s, s->output_type);
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if (s->output_type == TCC_OUTPUT_PREPROCESS) {
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if (!s->outfile) {
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s->ppfp = stdout;
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} else {
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s->ppfp = fopen(s->outfile, "w");
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if (!s->ppfp)
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tcc_error("could not write '%s'", s->outfile);
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}
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} else if (s->output_type != TCC_OUTPUT_OBJ) {
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if (s->option_pthread)
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tcc_set_options(s, "-lpthread");
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}
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if (s->do_bench)
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start_time = getclock_ms();
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/* compile or add each files or library */
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for(i = ret = 0; i < s->nb_files && ret == 0; i++) {
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struct filespec *f = s->files[i];
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if (f->type >= AFF_TYPE_LIB) {
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s->alacarte_link = f->type == AFF_TYPE_LIB;
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if (tcc_add_library_err(s, f->name) < 0)
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ret = 1;
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} else {
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if (1 == s->verbose)
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printf("-> %s\n", f->name);
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s->filetype = f->type;
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if (tcc_add_file(s, f->name) < 0)
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ret = 1;
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if (!first_file)
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first_file = f->name;
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}
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s->filetype = AFF_TYPE_NONE;
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s->alacarte_link = 1;
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}
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if (s->output_type == TCC_OUTPUT_PREPROCESS) {
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if (s->outfile)
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fclose(s->ppfp);
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} else if (0 == ret) {
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if (s->output_type == TCC_OUTPUT_MEMORY) {
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#ifdef TCC_IS_NATIVE
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ret = tcc_run(s, argc - 1 - optind, argv + 1 + optind);
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#endif
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} else {
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if (!s->outfile)
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s->outfile = default_outputfile(s, first_file);
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ret = !!tcc_output_file(s, s->outfile);
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if (s->gen_deps && !ret)
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gen_makedeps(s, s->outfile, s->deps_outfile);
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}
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}
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if (s->do_bench)
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tcc_print_stats(s, getclock_ms() - start_time);
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tcc_delete(s);
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return ret;
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}
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