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source: driver/cfa.cc @ ef46abb

ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum

Last change on this file since ef46abb was ef46abb, checked in by Thierry Delisle <tdelisle@…>, 5 years ago
Merge branch 'master' into distcc
Property mode set to `100644`
File size: 19.1 KB

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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	//
7	// cfa.cc --
8	//
9	// Author : Peter A. Buhr
10	// Created On : Tue Aug 20 13:44:49 2002
11	// Last Modified By : Peter A. Buhr
12	// Last Modified On : Sat Aug 10 08:44:15 2019
13	// Update Count : 311
14	//
15
16	#include <iostream>
17	#include <cstdio> // perror
18	#include <cstdlib> // putenv, exit
19	#include <unistd.h> // execvp
20	#include <string> // STL version
21	#include <string.h> // strcmp
22	#include <algorithm> // find
23
24	#include <sys/types.h>
25	#include <sys/stat.h>
26
27	#include "Common/SemanticError.h"
28	#include "config.h" // configure info
29
30
31	using std::cerr;
32	using std::endl;
33	using std::string;
34	using std::to_string;
35
36
37	//#define __DEBUG_H__
38
39
40	bool prefix( string arg, string pre ) {
41	return arg.substr( 0, pre.size() ) == pre;
42	} // prefix
43
44	bool suffix( string arg ) {
45	enum { NumSuffixes = 3 };
46	static const string suffixes[NumSuffixes] = { "cfa", "hfa", "ifa" };
47	//std::cerr << arg << std::endl;
48	size_t dot = arg.find_last_of( "." );
49	//std::cerr << dot << " " << (dot != string::npos ? arg.substr( dot + 1 ) : "fred" ) << std::endl;
50	if ( dot == string::npos ) return false;
51	const string * end = suffixes + NumSuffixes;
52	return std::find( suffixes, end, arg.substr( dot + 1 ) ) != end;
53	} // suffix
54
55
56	void shuffle( const char * args[], int S, int E, int N ) {
57	// S & E index 1 passed the end so adjust with -1
58	#ifdef __DEBUG_H__
59	cerr << "shuffle:" << S << " " << E << " " << N << endl;
60	#endif // __DEBUG_H__
61	for ( int j = E-1 + N; j > S-1 + N; j -=1 ) {
62	#ifdef __DEBUG_H__
63	cerr << "\t" << j << " " << j-N << endl;
64	#endif // __DEBUG_H__
65	args[j] = args[j-N];
66	} // for
67	} // shuffle
68
69	static inline bool dirExists( const string & path ) {
70	struct stat info;
71	if(stat( path.c_str(), &info ) != 0)
72	return false;
73	else if(info.st_mode & S_IFDIR)
74	return true;
75	else
76	return false;
77	} //dirExists
78
79	static inline string dir(const string & path) {
80	return path.substr(0, path.find_last_of('/'));
81	}
82
83
84	#define str(s) #s
85
86	int main( int argc, char * argv[] ) {
87	string Version( CFA_VERSION_LONG ); // current version number from CONFIG
88	string Major( str( CFA_VERSION_MAJOR ) ), Minor( str( CFA_VERSION_MINOR ) ), Patch( str( CFA_VERSION_PATCH ) );
89
90	string installincdir( CFA_INCDIR ); // fixed location of include files
91	string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands when installed
92	string srcdriverdir ( TOP_BUILDDIR "driver"); // fixed location of cc1 and cfa-cpp commands when in tree
93
94	string heading; // banner printed at start of cfa compilation
95	string arg; // current command-line argument during command-line parsing
96	string Bprefix; // path where gcc looks for compiler command steps
97	string langstd; // language standard
98
99	string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler
100	string compiler_name; // name of C compiler
101
102	bool x_flag = false; // -x flag
103	bool nonoptarg = false; // indicates non-option argument specified
104	bool link = true; // linking as well as compiling
105	bool verbose = false; // -v flag
106	bool quiet = false; // -quiet flag
107	bool debug = true; // -debug flag
108	bool nolib = false; // -nolib flag
109	bool help = false; // -help flag
110	bool CFA_flag = false; // -CFA flag
111	bool cpp_flag = false; // -E or -M flag, preprocessor only
112	bool std_flag = false; // -std= flag
113	bool noincstd_flag = false; // -no-include-stdhdr= flag
114	bool debugging __attribute(( unused )) = false; // -g flag
115	bool m32 = false; // -m32 flag
116	bool m64 = false; // -m64 flag
117	bool intree = false;
118	bool disttree = false;
119
120	const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
121	int sargs = 1; // starting location for arguments in args list
122	int nargs = sargs; // number of arguments in args list; 0 => command name
123
124	const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
125	int nlibs = 0;
126
127	#ifdef __DEBUG_H__
128	cerr << "CFA:" << endl;
129	for ( int i = 1; i < argc; i += 1 ) {
130	cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
131	} // for
132	#endif // __DEBUG_H__
133
134	// process command-line arguments
135
136	args[nargs] = "-x"; // turn off language
137	nargs += 1;
138	args[nargs] = "c";
139	nargs += 1;
140
141	for ( int i = 1; i < argc; i += 1 ) {
142	arg = argv[i]; // convert to string value
143	if ( prefix( arg, "-" ) ) {
144	// pass through arguments
145
146	if ( arg == "-Xlinker" \|\| arg == "-o" ) {
147	args[nargs] = argv[i]; // pass the argument along
148	nargs += 1;
149	i += 1;
150	if ( i == argc ) continue; // next argument available ?
151	args[nargs] = argv[i]; // pass the argument along
152	nargs += 1;
153	} else if ( arg == "-XCFA" ) { // CFA pass through
154	i += 1;
155	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str();
156	nargs += 1;
157
158	// CFA specific arguments
159
160	} else if ( arg == "-CFA" ) {
161	CFA_flag = true; // strip the -CFA flag
162	link = false;
163	args[nargs] = "-E"; // replace the argument with -E
164	nargs += 1;
165	} else if ( arg == "-debug" ) {
166	debug = true; // strip the debug flag
167	} else if ( arg == "-nodebug" ) {
168	debug = false; // strip the debug flag
169	} else if ( arg == "-nolib" ) {
170	nolib = true; // strip the nodebug flag
171	} else if ( arg == "-quiet" ) {
172	quiet = true; // strip the quiet flag
173	} else if ( arg == "-noquiet" ) {
174	quiet = false; // strip the noquiet flag
175	} else if ( arg == "-help" ) {
176	help = true; // strip the help flag
177	} else if ( arg == "-nohelp" ) {
178	help = false; // strip the nohelp flag
179	} else if ( arg == "-no-include-stdhdr" ) {
180	noincstd_flag = true; // strip the no-include-stdhdr flag
181	} else if ( arg == "-in-tree" ) {
182	intree = true;
183	} else if ( arg == "-dist-tree" ) {
184	disttree = true;
185	} else if ( arg == "-compiler" ) {
186	// use the user specified compiler
187	i += 1;
188	if ( i == argc ) continue; // next argument available ?
189	compiler_path = argv[i];
190	if ( putenv( (char )( new string( string( "__CFA_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) {
191	cerr << argv[0] << " error, cannot set environment variable." << endl;
192	exit( EXIT_FAILURE );
193	} // if
194
195	// C specific arguments
196
197	} else if ( arg == "-v" ) {
198	verbose = true; // verbosity required
199	args[nargs] = argv[i]; // pass the argument along
200	nargs += 1;
201	} else if ( arg == "-g" ) {
202	debugging = true; // symbolic debugging required
203	args[nargs] = argv[i]; // pass the argument along
204	nargs += 1;
205	} else if ( prefix( arg, "-x" ) ) { // file suffix ?
206	string lang;
207	args[nargs] = argv[i]; // pass the argument along
208	nargs += 1;
209	if ( arg.length() == 2 ) { // separate argument ?
210	i += 1;
211	if ( i == argc ) continue; // next argument available ?
212	lang = argv[i];
213	args[nargs] = argv[i]; // pass the argument along
214	nargs += 1;
215	} else {
216	lang = arg.substr( 2 );
217	} // if
218	x_flag = lang != "none";
219	} else if ( prefix( arg, "-std=" ) \|\| prefix( arg, "--std=" ) ) {
220	std_flag = true; // -std=XX provided
221	args[nargs] = argv[i]; // pass the argument along
222	nargs += 1;
223	} else if ( arg == "-w" ) {
224	args[nargs] = argv[i]; // pass the argument along
225	nargs += 1;
226	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
227	nargs += 1;
228	} else if ( prefix( arg, "-W" ) ) { // check before next tests
229	if ( arg == "-Werror" \|\| arg == "-Wall" ) {
230	args[nargs] = argv[i]; // pass the argument along
231	nargs += 1;
232	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
233	nargs += 1;
234	} else {
235	unsigned int adv = prefix( arg, "-Wno-" ) ? 5 : 2;
236	args[nargs] = argv[i]; // conditionally pass the argument along
237	const char * warning = argv[i] + adv; // extract warning
238	if ( SemanticWarning_Exist( warning ) ) { // replace the argument for cfa-cpp
239	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str();
240	} // if
241	nargs += 1;
242	} // if
243	} else if ( prefix( arg, "-B" ) ) {
244	Bprefix = arg.substr(2); // strip the -B flag
245	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
246	nargs += 1;
247	} else if ( prefix( arg, "-b" ) ) {
248	if ( arg.length() == 2 ) { // separate argument ?
249	i += 1;
250	if ( i == argc ) continue; // next argument available ?
251	arg += argv[i]; // concatenate argument
252	} // if
253	// later versions of gcc require the -b option to appear at the start of the command line
254	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
255	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
256	if ( putenv( (char )( new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) {
257	cerr << argv[0] << " error, cannot set environment variable." << endl;
258	exit( EXIT_FAILURE );
259	} // if
260	sargs += 1;
261	nargs += 1;
262	} else if ( prefix( arg, "-V" ) ) {
263	if ( arg.length() == 2 ) { // separate argument ?
264	i += 1;
265	if ( i == argc ) continue; // next argument available ?
266	arg += argv[i]; // concatenate argument
267	} // if
268	// later versions of gcc require the -V option to appear at the start of the command line
269	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
270	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
271	if ( putenv( (char )( new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) {
272	cerr << argv[0] << " error, cannot set environment variable." << endl;
273	exit( EXIT_FAILURE );
274	} // if
275	sargs += 1;
276	nargs += 1;
277	} else if ( arg == "-c" \|\| arg == "-S" \|\| arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
278	args[nargs] = argv[i]; // pass the argument along
279	nargs += 1;
280	if ( arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
281	cpp_flag = true; // cpp only
282	} // if
283	link = false; // no linkage required
284	} else if ( arg[1] == 'l' ) {
285	// if the user specifies a library, load it after user code
286	libs[nlibs] = argv[i];
287	nlibs += 1;
288	} else if ( arg == "-m32" ) {
289	m32 = true;
290	m64 = false;
291	args[nargs] = argv[i];
292	nargs += 1;
293	} else if ( arg == "-m64" ) {
294	m64 = true;
295	m32 = false;
296	args[nargs] = argv[i];
297	nargs += 1;
298	} else {
299	// concatenate any other arguments
300	args[nargs] = argv[i];
301	nargs += 1;
302	} // if
303	} else {
304	bool cfa = suffix( arg ); // check suffix
305	if ( ! x_flag && cfa ) { // no explicit suffix and cfa suffix ?
306	args[nargs] = "-x";
307	nargs += 1;
308	args[nargs] = "c";
309	nargs += 1;
310	} // if
311	args[nargs] = argv[i]; // concatenate file
312	nargs += 1;
313	if ( ! x_flag && cfa ) { // no explicit suffix and cfa suffix ?
314	args[nargs] = "-x";
315	nargs += 1;
316	args[nargs] = "none";
317	nargs += 1;
318	} // if
319	nonoptarg = true;
320	} // if
321	} // for
322
323	#ifdef __x86_64__
324	args[nargs] = "-mcx16"; // allow double-wide CAA
325	nargs += 1;
326	#endif // __x86_64__
327
328	#ifdef __DEBUG_H__
329	cerr << "args:";
330	for ( int i = 1; i < nargs; i += 1 ) {
331	cerr << " " << args[i];
332	} // for
333	cerr << endl;
334	#endif // __DEBUG_H__
335
336	if ( cpp_flag && CFA_flag ) {
337	cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
338	exit( EXIT_FAILURE );
339	} // if
340
341	// add the CFA include-library paths, which allow direct access to header files without directory qualification
342	if( !intree ) {
343	args[nargs] = "-I" CFA_INCDIR;
344	nargs += 1;
345	if ( ! noincstd_flag ) { // do not use during build
346	args[nargs] = "-I" CFA_INCDIR "stdhdr";
347	nargs += 1;
348	} // if
349	args[nargs] = "-I" CFA_INCDIR "concurrency";
350	nargs += 1;
351	args[nargs] = "-I" CFA_INCDIR "containers";
352	nargs += 1;
353	} else {
354	args[nargs] = "-I" TOP_SRCDIR "libcfa/src";
355	nargs += 1;
356	if ( ! noincstd_flag ) { // do not use during build
357	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/stdhdr";
358	nargs += 1;
359	} // if
360	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/concurrency";
361	nargs += 1;
362	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/containers";
363	nargs += 1;
364	}
365
366	// add stdbool to get defines for bool/true/false
367	args[nargs] = "-imacros";
368	nargs += 1;
369	args[nargs] = "stdbool.h";
370	nargs += 1;
371
372	string libbase;
373	if( !intree ) {
374	libbase = CFA_LIBDIR;
375	} else {
376	libbase = TOP_BUILDDIR "libcfa/";
377	args[nargs] = "-D__CFA_FLAG__=-t";
378	nargs += 1;
379	}
380
381	string arch = m32 ? CFA_32_CPU : (m64 ? CFA_64_CPU : CFA_DEFAULT_CPU);
382	if ( ! m32 && ! m64 ) {
383	if ( arch == "x86" ) {
384	args[nargs] = "-m32";
385	nargs += 1;
386	} else if ( arch == "x64" ) {
387	args[nargs] = "-m64";
388	nargs += 1;
389	} // if
390	} // if
391	const char * config = nolib ? "nolib" : (debug ? "debug": "nodebug");
392	string libdir = libbase + arch + "-" + config;
393
394	if (!disttree) {
395	if ( ! nolib && ! dirExists( libdir ) ) {
396	cerr << argv[0] << " internal error, configuration " << config << " not installed." << endl;
397	cerr << "Was looking for " << libdir << endl;
398	for(int i = 1; i < argc; i++) {
399	cerr << argv[i] << " ";
400	}
401	cerr << endl;
402	libdir = libbase + arch + "-" + "nolib";
403	} // if
404
405	if ( ! dirExists( libdir ) ) {
406	cerr << argv[0] << " internal error, cannot find prelude directory." << endl;
407	cerr << "Was looking for " << libdir << endl;
408	exit( EXIT_FAILURE );
409	} // if
410	} // if
411
412	if(disttree) {
413	args[nargs] = ( *new string( string("-D__CFA_FLAG__=--prelude-dir=" ) + dir(argv[0])) ).c_str();
414	} else if(intree) {
415	args[nargs] = ( *new string( string("-D__CFA_FLAG__=--prelude-dir=" ) + libdir + "/prelude") ).c_str();
416	} else {
417	args[nargs] = ( *new string( string("-D__CFA_FLAG__=--prelude-dir=" ) + libdir) ).c_str();
418	}
419	nargs += 1;
420
421	for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
422	args[nargs] = libs[i];
423	nargs += 1;
424	} // for
425
426	if ( link ) {
427	args[nargs] = "-Xlinker";
428	nargs += 1;
429	args[nargs] = "--undefined=__cfaabi_dbg_bits_write";
430	nargs += 1;
431	args[nargs] = "-Xlinker";
432	nargs += 1;
433	args[nargs] = "--undefined=__cfaabi_interpose_startup";
434	nargs += 1;
435	args[nargs] = "-Xlinker";
436	nargs += 1;
437	args[nargs] = "--undefined=__cfaabi_appready_startup";
438	nargs += 1;
439
440	// include the cfa library in case it's needed
441	args[nargs] = ( *new string( string("-L" ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
442	nargs += 1;
443	args[nargs] = ( *new string( string("-Wl,-rpath," ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
444	nargs += 1;
445	args[nargs] = "-Wl,--push-state,--as-needed";
446	nargs += 1;
447	args[nargs] = "-lcfathread";
448	nargs += 1;
449	args[nargs] = "-Wl,--pop-state";
450	nargs += 1;
451	args[nargs] = "-lcfa";
452	nargs += 1;
453	args[nargs] = "-lpthread";
454	nargs += 1;
455	args[nargs] = "-ldl";
456	nargs += 1;
457	args[nargs] = "-lrt";
458	nargs += 1;
459	args[nargs] = "-lm";
460	nargs += 1;
461	} // if
462
463	// Add exception flags (unconditionally)
464	args[nargs] = "-fexceptions";
465	nargs += 1;
466
467	// add the correct set of flags based on the type of compile this is
468
469	args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
470	nargs += 1;
471	args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
472	nargs += 1;
473	args[nargs] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
474	nargs += 1;
475	args[nargs] = "-D__CFA__";
476	nargs += 1;
477	args[nargs] = "-D__CFORALL__";
478	nargs += 1;
479	args[nargs] = "-D__cforall";
480	nargs += 1;
481
482	if ( cpp_flag ) {
483	args[nargs] = "-D__CPP__";
484	nargs += 1;
485	} // if
486
487	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
488	nargs += 1;
489	if ( CFA_flag ) {
490	args[sargs] = "-D__CFA_FLAG__=-N";
491	args[nargs] = "-D__CFA_PREPROCESS_";
492	nargs += 1;
493	} else {
494	args[sargs] = "-D__CFA_FLAG__=-L";
495	} // if
496	sargs += 1;
497
498	if ( debug ) {
499	heading += " (debug)";
500	args[nargs] = "-D__CFA_DEBUG__";
501	nargs += 1;
502	} else {
503	heading += " (no debug)";
504	} // if
505
506	if ( Bprefix.length() == 0 ) {
507	if(disttree) {
508	Bprefix = dir(argv[0]);
509	} else if(intree) {
510	Bprefix = srcdriverdir;
511	} else {
512	Bprefix = installlibdir;
513	}
514
515	if ( Bprefix[Bprefix.length() - 1] != '/' ) Bprefix += '/';
516	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
517	nargs += 1;
518	} // if
519
520	args[nargs] = "-Xlinker"; // used by backtrace
521	nargs += 1;
522	args[nargs] = "-export-dynamic";
523	nargs += 1;
524
525	// execute the compilation command
526
527	args[0] = compiler_path.c_str(); // set compiler command for exec
528	// find actual name of the compiler independent of the path to it
529	int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
530	if ( p == -1 ) {
531	compiler_name = compiler_path;
532	} else {
533	compiler_name = *new string( compiler_path.substr( p + 1 ) );
534	} // if
535
536	if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
537	args[nargs] = "-no-integrated-cpp";
538	nargs += 1;
539	args[nargs] = "-Wno-deprecated";
540	nargs += 1;
541	#ifdef HAVE_CAST_FUNCTION_TYPE
542	args[nargs] = "-Wno-cast-function-type";
543	nargs += 1;
544	#endif // HAVE_CAST_FUNCTION_TYPE
545	if ( ! std_flag ) { // default c11, if none specified
546	args[nargs] = "-std=gnu11";
547	nargs += 1;
548	} // if
549	args[nargs] = "-fgnu89-inline";
550	nargs += 1;
551	args[nargs] = "-D__int8_t_defined"; // prevent gcc type-size attributes
552	nargs += 1;
553	args[nargs] = ( *new string( string("-B") + Bprefix ) ).c_str();
554	nargs += 1;
555	} else {
556	cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
557	exit( EXIT_FAILURE );
558	} // if
559
560	args[nargs] = NULL; // terminate with NULL
561
562	#ifdef __DEBUG_H__
563	cerr << "nargs: " << nargs << endl;
564	cerr << "args:" << endl;
565	for ( int i = 0; args[i] != NULL; i += 1 ) {
566	cerr << " \"" << args[i] << "\"" << endl;
567	} // for
568	#endif // __DEBUG_H__
569
570	if ( ! quiet ) {
571	cerr << "CFA " << "Version " << Version << heading << endl;
572	if ( help ) {
573	cerr <<
574	"-debug\t\t\t: use cfa runtime with debug checking" << endl <<
575	"-help\t\t\t: print this help message" << endl <<
576	"-quiet\t\t\t: print no messages from the cfa command" << endl <<
577	"-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
578	"-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
579	"...\t\t\t: any other " << compiler_name << " flags" << endl;
580	} // if
581	} // if
582
583	if ( verbose ) {
584	if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
585
586	for ( int i = 0; args[i] != NULL; i += 1 ) {
587	cerr << args[i] << " ";
588	} // for
589	cerr << endl;
590	} // if
591
592	if ( ! nonoptarg ) {
593	cerr << argv[0] << " error, no input files" << endl;
594	exit( EXIT_FAILURE );
595	} // if
596
597	// execute the command and return the result
598
599	execvp( args[0], (char const )args ); // should not return
600	perror( "CFA Translator error: cfa level, execvp" );
601	exit( EXIT_FAILURE );
602	} // main
603
604	// Local Variables: //
605	// tab-width: 4 //
606	// mode: c++ //
607	// compile-command: "make install" //
608	// End: //

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