aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--libtcc.c4
-rw-r--r--tcc.c181
-rw-r--r--tcc.h1
3 files changed, 119 insertions, 67 deletions
diff --git a/libtcc.c b/libtcc.c
index 3282c28..9abb854 100644
--- a/libtcc.c
+++ b/libtcc.c
@@ -1436,6 +1436,7 @@ typedef struct TCCOption {
enum {
TCC_OPTION_HELP,
+ TCC_OPTION_HELP2,
TCC_OPTION_v,
TCC_OPTION_I,
TCC_OPTION_D,
@@ -1494,6 +1495,7 @@ 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 },
@@ -1726,6 +1728,8 @@ reparse:
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;
diff --git a/tcc.c b/tcc.c
index 2ca3bb8..5890b89 100644
--- a/tcc.c
+++ b/tcc.c
@@ -25,83 +25,128 @@
#endif
#include "tcctools.c"
-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"
- " -h show this help\n"
- " -bench show compilation statistics\n"
- "Preprocessor options:\n"
- " -Idir add include path 'dir'\n"
- " -Dsym[=val] define 'sym' with value 'val'\n"
- " -Usym undefine 'sym'\n"
- " -E preprocess only\n"
- " -P[1] no / alternative #line output with -E\n"
- " -dD -dM output #define directives with -E\n"
- " -include file include file above each input file\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\n"
- " -rdynamic export all global symbols to dynamic linker\n"
- " -soname set name for shared library to be used at runtime\n"
- " -static static linking\n"
- " -pthread link with -lpthread and -D_REENTRANT (POSIX Linux)\n"
- " -Wl,-opt[=val] set linker option (see manual)\n"
- "Debugger options:\n"
- " -g generate runtime debug info\n"
+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"
+ " -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"
+ " -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
- "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 use 'dir' as tcc's private library/include path\n"
- " -MD generate target dependencies for make\n"
- " -MF depfile put generated dependencies here\n"
- " -dumpversion print version\n"
- " - use stdin pipe as infile\n"
- " @listfile read arguments from listfile\n"
- "Target specific options:\n"
- " -m32/64 execute i386/x86-64 cross compiler\n"
- " -mms-bitfields use MSVC bitfield layout\n"
+ ;
+
+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"
+ " -iwithprefix dir set tcc's private include/library subdir\n"
+ " -static link to static libraries (not recommended)\n"
+ " -dumpversion print version\n"
+ " -print-search-dirs print search paths\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 struct w/o identifier\n"
+ " dollars-in-identifiers allow '$' in C symbols\n"
+ " old-struct-init-code some hack for parsing initializers\n"
+ "-m... target specific options:\n"
+ " ms-bitfields use MSVC bitfield layout\n"
#ifdef TCC_TARGET_ARM
- " -mfloat-abi hard/softfp on arm\n"
+ " float-abi hard/softfp on arm\n"
#endif
#ifdef TCC_TARGET_X86_64
- " -mno-sse disable floats on x86-64\n"
+ " no-sse disable floats on x86_64\n"
#endif
- "Tools:\n"
- " create library : tcc -ar [rcsv] lib.a files\n"
+ "-Wl,... linker options:\n"
+ " -nostdlib do not link with standard crt/libs\n"
+ " -[no-]whole-archive load lib(s) fully/only as needed\n"
+ " -image-base= -Ttext= set base address of executable\n"
+ " -section-alignment= set section alignment in executable\n"
#ifdef TCC_TARGET_PE
- " create .def file : tcc -impdef lib.dll [-v] [-o lib.def]\n"
+ " -file-alignment= set PE file alignment\n"
+ " -stack= set PE stack reserve\n"
+ " -large-address-aware set related PE option\n"
+ " -subsystem=[console gui] 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 seach 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 void version(void)
-{
- printf("tcc version %s ("
+static const char version[] =
+ "tcc version "TCC_VERSION" ("
#ifdef TCC_TARGET_I386
"i386"
#elif defined TCC_TARGET_X86_64
- "x86-64"
+ "x86_64"
#elif defined TCC_TARGET_C67
"C67"
#elif defined TCC_TARGET_ARM
@@ -133,8 +178,8 @@ static void version(void)
#else
" Unidentified system"
#endif
- ")\n", TCC_VERSION);
-}
+ ")\n"
+ ;
static void print_dirs(const char *msg, char **paths, int nb_paths)
{
@@ -205,11 +250,13 @@ redo:
if (n == 0) {
if (opt == OPT_HELP)
- return help(), 1;
+ 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)
- version();
+ printf(version);
if (opt == OPT_AR)
return tcc_tool_ar(s, argc, argv);
#ifdef TCC_TARGET_PE
diff --git a/tcc.h b/tcc.h
index fcf5780..0e22e68 100644
--- a/tcc.h
+++ b/tcc.h
@@ -1157,6 +1157,7 @@ ST_FUNC char *normalize_slashes(char *path);
/* tcc_parse_args return codes: */
#define OPT_HELP 1
+#define OPT_HELP2 2
#define OPT_V 3
#define OPT_PRINT_DIRS 4
#define OPT_AR 5