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tcc -hh: show more options

master
grischka 2017-02-18 09:55:46 +01:00
parent 2d3b9559bf
commit 5286529632
3 changed files with 119 additions and 67 deletions
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4
libtcc.c
View File

@ -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;

181
tcc.c
View File

@ -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 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"
"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"
" -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

1
tcc.h
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@ -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