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source: src/driver/cfa.cc@ 242f705

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Last change on this file since 242f705 was 157d094, checked in by Peter A. Buhr <pabuhr@…>, 7 years ago
change from -std=gnu99 to -std=gnu11 for gcc
Property mode set to `100644`
File size: 15.1 KB

Rev	Line
[b87a5ed]	1	//
	2	// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
	3	//
	4	// The contents of this file are covered under the licence agreement in the
	5	// file "LICENCE" distributed with Cforall.
	6	//
[76c7f65e]	7	// cfa.cc --
[b87a5ed]	8	//
[51b73452]	9	// Author : Peter A. Buhr
	10	// Created On : Tue Aug 20 13:44:49 2002
[201aeb9]	11	// Last Modified By : Peter A. Buhr
[157d094]	12	// Last Modified On : Mon May 14 14:16:33 2018
	13	// Update Count : 244
[b87a5ed]	14	//
[51b73452]	15
	16	#include <iostream>
[b87a5ed]	17	#include <cstdio> // perror
	18	#include <cstdlib> // putenv, exit
	19	#include <unistd.h> // execvp
	20	#include <string> // STL version
[44bca7f]	21	#include <string.h> // strcmp
[51b73452]	22
[44bca7f]	23	#include "Common/SemanticError.h"
[b87a5ed]	24	#include "config.h" // configure info
[51b73452]	25
	26	using std::cerr;
	27	using std::endl;
	28	using std::string;
[47a8d17]	29	using std::to_string;
[51b73452]	30
	31
	32	//#define __DEBUG_H__
	33
	34
	35	bool prefix( string arg, string pre ) {
[b87a5ed]	36	return arg.substr( 0, pre.size() ) == pre;
[51b73452]	37	} // prefix
	38
	39
	40	void shuffle( const char *args[], int S, int E, int N ) {
[b87a5ed]	41	// S & E index 1 passed the end so adjust with -1
[51b73452]	42	#ifdef __DEBUG_H__
[b87a5ed]	43	cerr << "shuffle:" << S << " " << E << " " << N << endl;
[51b73452]	44	#endif // __DEBUG_H__
[b87a5ed]	45	for ( int j = E-1 + N; j > S-1 + N; j -=1 ) {
[51b73452]	46	#ifdef __DEBUG_H__
[b87a5ed]	47	cerr << "\t" << j << " " << j-N << endl;
[51b73452]	48	#endif // __DEBUG_H__
[b87a5ed]	49	args[j] = args[j-N];
	50	} // for
[51b73452]	51	} // shuffle
	52
	53
[4b1afb6]	54	#define str(s) #s
	55
[51b73452]	56	int main( int argc, char *argv[] ) {
[4b1afb6]	57	string Version( CFA_VERSION_LONG ); // current version number from CONFIG
	58	string Major( str( CFA_VERSION_MAJOR ) ), Minor( str( CFA_VERSION_MINOR ) ), Patch( str( CFA_VERSION_PATCH ) );
[51b73452]	59
[00cc023]	60	string installincdir( CFA_INCDIR ); // fixed location of include files
	61	string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands
[51b73452]	62
[b87a5ed]	63	string heading; // banner printed at start of cfa compilation
	64	string arg; // current command-line argument during command-line parsing
	65	string Bprefix; // path where gcc looks for compiler command steps
	66	string langstd; // language standard
[51b73452]	67
[e24f13a]	68	string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler
[b87a5ed]	69	string compiler_name; // name of C compiler
[51b73452]	70
[b87a5ed]	71	bool nonoptarg = false; // indicates non-option argument specified
	72	bool link = true; // linking as well as compiling
	73	bool verbose = false; // -v flag
	74	bool quiet = false; // -quiet flag
	75	bool debug = true; // -debug flag
	76	bool help = false; // -help flag
	77	bool CFA_flag = false; // -CFA flag
	78	bool cpp_flag = false; // -E or -M flag, preprocessor only
[de62360d]	79	bool std_flag = false; // -std= flag
[d746bc8]	80	bool noincstd_flag = false; // -no-include-stdhdr= flag
[6e4b913]	81	bool debugging __attribute(( unused )) = false; // -g flag
[51b73452]	82
[b87a5ed]	83	const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
	84	int sargs = 1; // starting location for arguments in args list
	85	int nargs = sargs; // number of arguments in args list; 0 => command name
[51b73452]	86
[b87a5ed]	87	const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
	88	int nlibs = 0;
[51b73452]	89
	90	#ifdef __DEBUG_H__
[b87a5ed]	91	cerr << "CFA:" << endl;
[51b73452]	92	#endif // __DEBUG_H__
	93
[b87a5ed]	94	// process command-line arguments
[51b73452]	95
[b87a5ed]	96	for ( int i = 1; i < argc; i += 1 ) {
[51b73452]	97	#ifdef __DEBUG_H__
[b87a5ed]	98	cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
[51b73452]	99	#endif // __DEBUG_H__
[b87a5ed]	100	arg = argv[i]; // convert to string value
[51b73452]	101	#ifdef __DEBUG_H__
[b87a5ed]	102	cerr << "arg:\"" << arg << "\"" << endl;
[51b73452]	103	#endif // __DEBUG_H__
[b87a5ed]	104	if ( prefix( arg, "-" ) ) {
	105	// pass through arguments
	106
	107	if ( arg == "-Xlinker" \|\| arg == "-o" ) {
	108	args[nargs] = argv[i]; // pass the argument along
	109	nargs += 1;
	110	i += 1;
	111	if ( i == argc ) continue; // next argument available ?
	112	args[nargs] = argv[i]; // pass the argument along
	113	nargs += 1;
	114	} else if ( arg == "-XCFA" ) { // CFA pass through
	115	i += 1;
	116	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str();
	117	nargs += 1;
	118
	119	// CFA specific arguments
	120
	121	} else if ( arg == "-CFA" ) {
	122	CFA_flag = true; // strip the -CFA flag
	123	link = false;
	124	args[nargs] = "-E"; // replace the argument with -E
	125	nargs += 1;
	126	} else if ( arg == "-debug" ) {
	127	debug = true; // strip the debug flag
	128	} else if ( arg == "-nodebug" ) {
	129	debug = false; // strip the nodebug flag
	130	} else if ( arg == "-quiet" ) {
	131	quiet = true; // strip the quiet flag
	132	} else if ( arg == "-noquiet" ) {
	133	quiet = false; // strip the noquiet flag
	134	} else if ( arg == "-help" ) {
	135	help = true; // strip the help flag
	136	} else if ( arg == "-nohelp" ) {
	137	help = false; // strip the nohelp flag
[d746bc8]	138	} else if ( arg == "-no-include-stdhdr" ) {
	139	noincstd_flag = true; // strip the no-include-stdhdr flag
[b87a5ed]	140	} else if ( arg == "-compiler" ) {
	141	// use the user specified compiler
	142	i += 1;
	143	if ( i == argc ) continue; // next argument available ?
	144	compiler_path = argv[i];
	145	if ( putenv( (char )( new string( string( "__U_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) {
	146	cerr << argv[0] << " error, cannot set environment variable." << endl;
	147	exit( EXIT_FAILURE );
	148	} // if
	149
[de62360d]	150	// C specific arguments
[b87a5ed]	151
	152	} else if ( arg == "-v" ) {
	153	verbose = true; // verbosity required
	154	args[nargs] = argv[i]; // pass the argument along
	155	nargs += 1;
	156	} else if ( arg == "-g" ) {
	157	debugging = true; // symbolic debugging required
	158	args[nargs] = argv[i]; // pass the argument along
	159	nargs += 1;
[e3215c5]	160	} else if ( prefix( arg, "-std=" ) \|\| prefix( arg, "--std=" ) ) {
[53ba273]	161	std_flag = true; // -std=XX provided
[de62360d]	162	args[nargs] = argv[i]; // pass the argument along
	163	nargs += 1;
[e3215c5]	164	} else if ( arg == "-x" ) { // lost so force along
	165	args[nargs] = argv[i]; // pass the argument along
	166	nargs += 1;
	167	i += 1; // advance to argument
	168	args[nargs] = argv[i]; // pass the argument along
	169	nargs += 1;
	170	args[nargs] = ( *new string( string("-D__GCC_X__=") + argv[i] ) ).c_str(); // add the argument for -x
	171	nargs += 1;
	172	} else if ( prefix( arg, "-x" ) ) { // lost so force along
	173	args[nargs] = argv[i]; // pass the argument along
	174	nargs += 1;
	175	args[nargs] = ( *new string( string("-D__GCC_X__=") + arg.substr(2) ) ).c_str(); // add the argument for -x
	176	nargs += 1;
[44bca7f]	177	} else if ( arg == "-w" ) {
	178	args[nargs] = argv[i]; // pass the argument along
	179	nargs += 1;
	180	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
	181	nargs += 1;
	182	} else if ( prefix( arg, "-W" ) ) { // check before next tests
	183	if ( arg == "-Werror" \|\| arg == "-Wall" ) {
	184	args[nargs] = argv[i]; // pass the argument along
	185	nargs += 1;
	186	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
	187	nargs += 1;
	188	} else {
	189	unsigned int adv = prefix( arg, "-Wno-" ) ? 5 : 2;
	190	args[nargs] = argv[i]; // conditionally pass the argument along
[af39199d]	191	const char * warning = argv[i] + adv; // extract warning
	192	if ( SemanticWarning_Exist( warning ) ) { // replace the argument for cfa-cpp
	193	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str();
	194	} // if
[44bca7f]	195	nargs += 1;
	196	} // if
[b87a5ed]	197	} else if ( prefix( arg, "-B" ) ) {
	198	Bprefix = arg.substr(2); // strip the -B flag
	199	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
	200	nargs += 1;
	201	} else if ( prefix( arg, "-b" ) ) {
	202	if ( arg.length() == 2 ) { // separate argument ?
	203	i += 1;
	204	if ( i == argc ) continue; // next argument available ?
	205	arg += argv[i]; // concatenate argument
	206	} // if
	207	// later versions of gcc require the -b option to appear at the start of the command line
	208	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	209	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
	210	if ( putenv( (char )( new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) {
	211	cerr << argv[0] << " error, cannot set environment variable." << endl;
	212	exit( EXIT_FAILURE );
	213	} // if
	214	sargs += 1;
	215	nargs += 1;
	216	} else if ( prefix( arg, "-V" ) ) {
	217	if ( arg.length() == 2 ) { // separate argument ?
	218	i += 1;
	219	if ( i == argc ) continue; // next argument available ?
	220	arg += argv[i]; // concatenate argument
	221	} // if
	222	// later versions of gcc require the -V option to appear at the start of the command line
	223	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	224	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
	225	if ( putenv( (char )( new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) {
	226	cerr << argv[0] << " error, cannot set environment variable." << endl;
	227	exit( EXIT_FAILURE );
	228	} // if
	229	sargs += 1;
	230	nargs += 1;
	231	} else if ( arg == "-c" \|\| arg == "-S" \|\| arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
	232	args[nargs] = argv[i]; // pass the argument along
	233	nargs += 1;
	234	if ( arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
	235	cpp_flag = true; // cpp only
	236	} // if
	237	link = false; // no linkage required
	238	} else if ( arg[1] == 'l' ) {
	239	// if the user specifies a library, load it after user code
	240	libs[nlibs] = argv[i];
	241	nlibs += 1;
	242	} else {
	243	// concatenate any other arguments
	244	args[nargs] = argv[i];
	245	nargs += 1;
	246	} // if
	247	} else {
	248	// concatenate other arguments
	249	args[nargs] = argv[i];
	250	nargs += 1;
	251	nonoptarg = true;
	252	} // if
	253	} // for
[51b73452]	254
[a83d08b]	255	#ifdef __x86_64__
	256	args[nargs] = "-mcx16"; // allow double-wide CAA
	257	nargs += 1;
	258	#endif // __x86_64__
[e3215c5]	259
[b87a5ed]	260	#ifdef __DEBUG_H__
	261	cerr << "args:";
	262	for ( int i = 1; i < nargs; i += 1 ) {
	263	cerr << " " << args[i];
	264	} // for
	265	cerr << endl;
	266	#endif // __DEBUG_H__
[51b73452]	267
[b87a5ed]	268	if ( cpp_flag && CFA_flag ) {
	269	cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
	270	exit( EXIT_FAILURE );
	271	} // if
[51b73452]	272
[6e4b913]	273	// add the CFA include-library paths, which allow direct access to header files without directory qualification
[b87a5ed]	274	args[nargs] = "-I" CFA_INCDIR;
	275	nargs += 1;
[d746bc8]	276	if ( ! noincstd_flag ) { // do not use during build
	277	args[nargs] = "-I" CFA_INCDIR "/stdhdr";
	278	nargs += 1;
	279	} // if
[0e76cf4f]	280	args[nargs] = "-I" CFA_INCDIR "/concurrency";
	281	nargs += 1;
[76c7f65e]	282	args[nargs] = "-I" CFA_INCDIR "/containers";
	283	nargs += 1;
	284
[0edebf8]	285	#ifdef HAVE_LIBCFA
[b87a5ed]	286	if ( link ) {
[0edebf8]	287	#if ! defined(HAVE_LIBCFA_RELEASE)
[e3215c5]	288	if ( ! debug ) {
[44bca7f]	289	cerr << "error: Option -nodebug is unavailable, libcfa was not installed." << endl;
[0edebf8]	290	exit( EXIT_FAILURE );
[e3215c5]	291	} // if
[0edebf8]	292	#endif
	293	#if ! defined(HAVE_LIBCFA_DEBUG)
[e3215c5]	294	if ( debug ) {
[44bca7f]	295	cerr << "error: Option -debug is unavailable, libcfa-d was not installed." << endl;
[0edebf8]	296	exit( EXIT_FAILURE );
[e3215c5]	297	} // if
[0edebf8]	298	#endif
	299
[6bfe5cc]	300	args[nargs] = "-Xlinker";
	301	nargs += 1;
	302	args[nargs] = "--undefined=__cfaabi_dbg_bits_write";
	303	nargs += 1;
	304	args[nargs] = "-Xlinker";
	305	nargs += 1;
	306	args[nargs] = "--undefined=__cfaabi_interpose_startup";
	307	nargs += 1;
	308
[b87a5ed]	309	// include the cfa library in case it's needed
	310	args[nargs] = "-L" CFA_LIBDIR;
[51b73452]	311	nargs += 1;
[e3215c5]	312	if ( debug ) {
[0edebf8]	313	args[nargs] = "-lcfa-d";
	314	} else {
	315	args[nargs] = "-lcfa";
[e3215c5]	316	} // if
[51b73452]	317	nargs += 1;
[63f78f0]	318	args[nargs] = "-lpthread";
	319	nargs += 1;
[9d944b2]	320	args[nargs] = "-ldl";
	321	nargs += 1;
[c5ac6d5]	322	args[nargs] = "-lrt";
	323	nargs += 1;
[51b73452]	324	} // if
[6bfe5cc]	325	#endif // HAVE_LIBCFA
[51b73452]	326
[e9145a3]	327	// Add exception flags (unconditionally)
	328	args[nargs] = "-fexceptions";
	329	nargs += 1;
	330
[b87a5ed]	331	// add the correct set of flags based on the type of compile this is
[8c17ab0]	332
[ec129c4]	333	args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
[51b73452]	334	nargs += 1;
[b87a5ed]	335	args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
[51b73452]	336	nargs += 1;
[ec129c4]	337	args[nargs] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
[1db21619]	338	nargs += 1;
[4c82a3c]	339	args[nargs] = "-D__CFA__";
	340	nargs += 1;
	341	args[nargs] = "-D__CFORALL__";
[02e5ab6]	342	nargs += 1;
[6acb935]	343	args[nargs] = "-D__cforall";
	344	nargs += 1;
[51b73452]	345
[b87a5ed]	346	if ( cpp_flag ) {
	347	args[nargs] = "-D__CPP__";
	348	nargs += 1;
	349	} // if
[51b73452]	350
[fa477f7]	351	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	352	nargs += 1;
[b87a5ed]	353	if ( CFA_flag ) {
[fa477f7]	354	args[sargs] = "-D__CFA_FLAG__=-N";
[4c82a3c]	355	args[nargs] = "-D__CFA_PREPROCESS_";
[b87a5ed]	356	nargs += 1;
[fa477f7]	357	} else {
	358	args[sargs] = "-D__CFA_FLAG__=-L";
[b87a5ed]	359	} // if
[fa477f7]	360	sargs += 1;
[51b73452]	361
[b87a5ed]	362	if ( debug ) {
	363	heading += " (debug)";
	364	args[nargs] = "-D__CFA_DEBUG__";
	365	nargs += 1;
	366	} else {
	367	heading += " (no debug)";
	368	} // if
[51b73452]	369
[b87a5ed]	370	if ( Bprefix.length() == 0 ) {
	371	Bprefix = installlibdir;
	372	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
	373	nargs += 1;
	374	} // if
[51b73452]	375
[6bfe5cc]	376	args[nargs] = "-Xlinker"; // used by backtrace
	377	nargs += 1;
	378	args[nargs] = "-export-dynamic";
	379	nargs += 1;
	380
[b87a5ed]	381	// execute the compilation command
[51b73452]	382
[b87a5ed]	383	args[0] = compiler_path.c_str(); // set compiler command for exec
	384	// find actual name of the compiler independent of the path to it
	385	int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
	386	if ( p == -1 ) {
	387	compiler_name = compiler_path;
	388	} else {
	389	compiler_name = *new string( compiler_path.substr( p + 1 ) );
	390	} // if
[51b73452]	391
[b87a5ed]	392	if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
	393	args[nargs] = "-no-integrated-cpp";
	394	nargs += 1;
[76c7f65e]	395	args[nargs] = "-Wno-deprecated";
[b87a5ed]	396	nargs += 1;
[157d094]	397	if ( ! std_flag ) { // default c11, if none specified
	398	args[nargs] = "-std=gnu11";
[de62360d]	399	nargs += 1;
	400	} // if
[76c7f65e]	401	args[nargs] = "-fgnu89-inline";
[6e991d6]	402	nargs += 1;
[201aeb9]	403	args[nargs] = "-D__int8_t_defined"; // prevent gcc type-size attributes
	404	nargs += 1;
[b87a5ed]	405	args[nargs] = ( *new string( string("-B") + Bprefix + "/" ) ).c_str();
	406	nargs += 1;
[d3b7937]	407	args[nargs] = "-lm";
	408	nargs += 1;
[b87a5ed]	409	} else {
[e24f13a]	410	cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
[b87a5ed]	411	exit( EXIT_FAILURE );
	412	} // if
[51b73452]	413
[b87a5ed]	414	for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
	415	args[nargs] = libs[i];
	416	nargs += 1;
	417	} // for
[51b73452]	418
[b87a5ed]	419	args[nargs] = NULL; // terminate with NULL
[51b73452]	420
	421	#ifdef __DEBUG_H__
[b87a5ed]	422	cerr << "nargs: " << nargs << endl;
	423	cerr << "args:" << endl;
	424	for ( int i = 0; args[i] != NULL; i += 1 ) {
	425	cerr << " \"" << args[i] << "\"" << endl;
	426	} // for
[51b73452]	427	#endif // __DEBUG_H__
	428
[b87a5ed]	429	if ( ! quiet ) {
	430	cerr << "CFA " << "Version " << Version << heading << endl;
	431
	432	if ( help ) {
	433	cerr <<
	434	"-debug\t\t\t: use cfa runtime with debug checking" << endl <<
	435	"-help\t\t\t: print this help message" << endl <<
	436	"-quiet\t\t\t: print no messages from the cfa command" << endl <<
	437	"-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
	438	"-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
	439	"...\t\t\t: any other " << compiler_name << " flags" << endl;
	440	} // if
[51b73452]	441	} // if
	442
[b87a5ed]	443	if ( verbose ) {
	444	if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
[51b73452]	445
[b87a5ed]	446	for ( int i = 0; args[i] != NULL; i += 1 ) {
	447	cerr << args[i] << " ";
	448	} // for
	449	cerr << endl;
	450	} // if
[51b73452]	451
[b87a5ed]	452	if ( ! nonoptarg ) {
	453	cerr << argv[0] << " error, no input files" << endl;
	454	exit( EXIT_FAILURE );
	455	} // if
[51b73452]	456
[b87a5ed]	457	// execute the command and return the result
[51b73452]	458
[b87a5ed]	459	execvp( args[0], (char const )args ); // should not return
	460	perror( "CFA Translator error: cfa level, execvp" );
	461	exit( EXIT_FAILURE );
[51b73452]	462	} // main
	463
	464	// Local Variables: //
[b87a5ed]	465	// tab-width: 4 //
	466	// mode: c++ //
[51b73452]	467	// compile-command: "make install" //
	468	// End: //

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