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source: driver/cfa.cc @ 898ae07

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

Last change on this file since 898ae07 was c9e640e, checked in by tdelisle <tdelisle@…>, 6 years ago
Fixed benign warning when compiling with nolib
Property mode set to `100644`
File size: 17.9 KB

Line
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 : Sun Feb 10 08:28:09 2019
13	// Update Count : 281
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
23	#include <sys/types.h>
24	#include <sys/stat.h>
25
26	#include "Common/SemanticError.h"
27	#include "config.h" // configure info
28
29	using std::cerr;
30	using std::endl;
31	using std::string;
32	using std::to_string;
33
34
35	//#define __DEBUG_H__
36
37
38	bool prefix( string arg, string pre ) {
39	return arg.substr( 0, pre.size() ) == pre;
40	} // prefix
41
42	enum { NumSuffixes = 2 };
43	const string suffixes[NumSuffixes] = { "cfa", "hfa", };
44
45	bool suffix( string arg, const char * args[], int & nargs ) {
46	//std::cerr << arg << std::endl;
47	size_t dot = arg.find_last_of( "." );
48	//std::cerr << dot << " " << (dot != string::npos ? arg.substr( dot + 1 ) : "fred" ) << std::endl;
49	if ( dot == string::npos ) return false;
50	string sx = arg.substr( dot + 1 );
51	for ( int i = 0; i < NumSuffixes; i += 1 ) {
52	if ( sx == suffixes[i] ) {
53	args[nargs] = "-x";
54	nargs += 1;
55	args[nargs] = "c";
56	nargs += 1;
57	return true;
58	} // if
59	} // for
60	return false;
61	} // suffix
62
63
64	void shuffle( const char *args[], int S, int E, int N ) {
65	// S & E index 1 passed the end so adjust with -1
66	#ifdef __DEBUG_H__
67	cerr << "shuffle:" << S << " " << E << " " << N << endl;
68	#endif // __DEBUG_H__
69	for ( int j = E-1 + N; j > S-1 + N; j -=1 ) {
70	#ifdef __DEBUG_H__
71	cerr << "\t" << j << " " << j-N << endl;
72	#endif // __DEBUG_H__
73	args[j] = args[j-N];
74	} // for
75	} // shuffle
76
77	static inline bool dirExists(const string & path) {
78	struct stat info;
79	if(stat( path.c_str(), &info ) != 0)
80	return false;
81	else if(info.st_mode & S_IFDIR)
82	return true;
83	else
84	return false;
85	} //dirExists
86
87
88	#define str(s) #s
89
90	int main( int argc, char *argv[] ) {
91	string Version( CFA_VERSION_LONG ); // current version number from CONFIG
92	string Major( str( CFA_VERSION_MAJOR ) ), Minor( str( CFA_VERSION_MINOR ) ), Patch( str( CFA_VERSION_PATCH ) );
93
94	string installincdir( CFA_INCDIR ); // fixed location of include files
95	string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands when installed
96	string srcdriverdir ( TOP_BUILDDIR "driver"); // fixed location of cc1 and cfa-cpp commands when in tree
97
98	string heading; // banner printed at start of cfa compilation
99	string arg; // current command-line argument during command-line parsing
100	string Bprefix; // path where gcc looks for compiler command steps
101	string langstd; // language standard
102
103	string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler
104	string compiler_name; // name of C compiler
105
106	bool nonoptarg = false; // indicates non-option argument specified
107	bool link = true; // linking as well as compiling
108	bool verbose = false; // -v flag
109	bool quiet = false; // -quiet flag
110	bool debug = true; // -debug flag
111	bool nolib = false; // -nolib flag
112	bool help = false; // -help flag
113	bool CFA_flag = false; // -CFA flag
114	bool cpp_flag = false; // -E or -M flag, preprocessor only
115	bool std_flag = false; // -std= flag
116	bool noincstd_flag = false; // -no-include-stdhdr= flag
117	bool debugging __attribute(( unused )) = false; // -g flag
118	bool m32 = false; // -m32 flag
119	bool m64 = false; // -m64 flag
120	bool intree = false;
121
122	const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
123	int sargs = 1; // starting location for arguments in args list
124	int nargs = sargs; // number of arguments in args list; 0 => command name
125
126	const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
127	int nlibs = 0;
128
129	#ifdef __DEBUG_H__
130	cerr << "CFA:" << endl;
131	for ( int i = 1; i < argc; i += 1 ) {
132	cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
133	} // for
134	#endif // __DEBUG_H__
135
136	// process command-line arguments
137
138	for ( int i = 1; i < argc; i += 1 ) {
139	arg = argv[i]; // convert to string value
140	if ( prefix( arg, "-" ) ) {
141	// pass through arguments
142
143	if ( arg == "-Xlinker" \|\| arg == "-o" ) {
144	args[nargs] = argv[i]; // pass the argument along
145	nargs += 1;
146	i += 1;
147	if ( i == argc ) continue; // next argument available ?
148	args[nargs] = argv[i]; // pass the argument along
149	nargs += 1;
150	} else if ( arg == "-XCFA" ) { // CFA pass through
151	i += 1;
152	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str();
153	nargs += 1;
154
155	// CFA specific arguments
156
157	} else if ( arg == "-CFA" ) {
158	CFA_flag = true; // strip the -CFA flag
159	link = false;
160	args[nargs] = "-E"; // replace the argument with -E
161	nargs += 1;
162	} else if ( arg == "-debug" ) {
163	debug = true; // strip the debug flag
164	} else if ( arg == "-nodebug" ) {
165	debug = false; // strip the debug flag
166	} else if ( arg == "-nolib" ) {
167	nolib = true; // strip the nodebug flag
168	} else if ( arg == "-quiet" ) {
169	quiet = true; // strip the quiet flag
170	} else if ( arg == "-noquiet" ) {
171	quiet = false; // strip the noquiet flag
172	} else if ( arg == "-help" ) {
173	help = true; // strip the help flag
174	} else if ( arg == "-nohelp" ) {
175	help = false; // strip the nohelp flag
176	} else if ( arg == "-no-include-stdhdr" ) {
177	noincstd_flag = true; // strip the no-include-stdhdr flag
178	} else if ( arg == "-in-tree" ) {
179	intree = true;
180	} else if ( arg == "-compiler" ) {
181	// use the user specified compiler
182	i += 1;
183	if ( i == argc ) continue; // next argument available ?
184	compiler_path = argv[i];
185	if ( putenv( (char )( new string( string( "__CFA_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) {
186	cerr << argv[0] << " error, cannot set environment variable." << endl;
187	exit( EXIT_FAILURE );
188	} // if
189
190	// C specific arguments
191
192	} else if ( arg == "-v" ) {
193	verbose = true; // verbosity required
194	args[nargs] = argv[i]; // pass the argument along
195	nargs += 1;
196	} else if ( arg == "-g" ) {
197	debugging = true; // symbolic debugging required
198	args[nargs] = argv[i]; // pass the argument along
199	nargs += 1;
200	} else if ( prefix( arg, "-std=" ) \|\| prefix( arg, "--std=" ) ) {
201	std_flag = true; // -std=XX provided
202	args[nargs] = argv[i]; // pass the argument along
203	nargs += 1;
204	} else if ( arg == "-w" ) {
205	args[nargs] = argv[i]; // pass the argument along
206	nargs += 1;
207	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
208	nargs += 1;
209	} else if ( prefix( arg, "-W" ) ) { // check before next tests
210	if ( arg == "-Werror" \|\| arg == "-Wall" ) {
211	args[nargs] = argv[i]; // pass the argument along
212	nargs += 1;
213	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
214	nargs += 1;
215	} else {
216	unsigned int adv = prefix( arg, "-Wno-" ) ? 5 : 2;
217	args[nargs] = argv[i]; // conditionally pass the argument along
218	const char * warning = argv[i] + adv; // extract warning
219	if ( SemanticWarning_Exist( warning ) ) { // replace the argument for cfa-cpp
220	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str();
221	} // if
222	nargs += 1;
223	} // if
224	} else if ( prefix( arg, "-B" ) ) {
225	Bprefix = arg.substr(2); // strip the -B flag
226	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
227	nargs += 1;
228	} else if ( prefix( arg, "-b" ) ) {
229	if ( arg.length() == 2 ) { // separate argument ?
230	i += 1;
231	if ( i == argc ) continue; // next argument available ?
232	arg += argv[i]; // concatenate argument
233	} // if
234	// later versions of gcc require the -b option to appear at the start of the command line
235	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
236	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
237	if ( putenv( (char )( new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) {
238	cerr << argv[0] << " error, cannot set environment variable." << endl;
239	exit( EXIT_FAILURE );
240	} // if
241	sargs += 1;
242	nargs += 1;
243	} else if ( prefix( arg, "-V" ) ) {
244	if ( arg.length() == 2 ) { // separate argument ?
245	i += 1;
246	if ( i == argc ) continue; // next argument available ?
247	arg += argv[i]; // concatenate argument
248	} // if
249	// later versions of gcc require the -V option to appear at the start of the command line
250	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
251	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
252	if ( putenv( (char )( new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) {
253	cerr << argv[0] << " error, cannot set environment variable." << endl;
254	exit( EXIT_FAILURE );
255	} // if
256	sargs += 1;
257	nargs += 1;
258	} else if ( arg == "-c" \|\| arg == "-S" \|\| arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
259	args[nargs] = argv[i]; // pass the argument along
260	nargs += 1;
261	if ( arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
262	cpp_flag = true; // cpp only
263	} // if
264	link = false; // no linkage required
265	} else if ( arg[1] == 'l' ) {
266	// if the user specifies a library, load it after user code
267	libs[nlibs] = argv[i];
268	nlibs += 1;
269	} else if ( arg == "-m32" ) {
270	m32 = true;
271	m64 = false;
272	args[nargs] = argv[i];
273	nargs += 1;
274	} else if ( arg == "-m64" ) {
275	m64 = true;
276	m32 = false;
277	args[nargs] = argv[i];
278	nargs += 1;
279	} else {
280	// concatenate any other arguments
281	args[nargs] = argv[i];
282	nargs += 1;
283	} // if
284	} else {
285	bool cfa = suffix( arg, args, nargs ); // check suffix
286	args[nargs] = argv[i]; // concatenate file
287	nargs += 1;
288	if ( cfa ) {
289	args[nargs] = "-x";
290	nargs += 1;
291	args[nargs] = "none";
292	nargs += 1;
293	} // if
294	nonoptarg = true;
295	} // if
296	} // for
297
298	args[nargs] = "-x"; // turn off language
299	nargs += 1;
300	args[nargs] = "none";
301	nargs += 1;
302
303	#ifdef __x86_64__
304	args[nargs] = "-mcx16"; // allow double-wide CAA
305	nargs += 1;
306	#endif // __x86_64__
307
308	#ifdef __DEBUG_H__
309	cerr << "args:";
310	for ( int i = 1; i < nargs; i += 1 ) {
311	cerr << " " << args[i];
312	} // for
313	cerr << endl;
314	#endif // __DEBUG_H__
315
316	if ( cpp_flag && CFA_flag ) {
317	cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
318	exit( EXIT_FAILURE );
319	} // if
320
321	// add the CFA include-library paths, which allow direct access to header files without directory qualification
322	if( !intree ) {
323	args[nargs] = "-I" CFA_INCDIR;
324	nargs += 1;
325	if ( ! noincstd_flag ) { // do not use during build
326	args[nargs] = "-I" CFA_INCDIR "stdhdr";
327	nargs += 1;
328	} // if
329	args[nargs] = "-I" CFA_INCDIR "concurrency";
330	nargs += 1;
331	args[nargs] = "-I" CFA_INCDIR "containers";
332	nargs += 1;
333	} else {
334	args[nargs] = "-I" TOP_SRCDIR "libcfa/src";
335	nargs += 1;
336	if ( ! noincstd_flag ) { // do not use during build
337	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/stdhdr";
338	nargs += 1;
339	} // if
340	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/concurrency";
341	nargs += 1;
342	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/containers";
343	nargs += 1;
344	}
345
346	// add stdbool to get defines for bool/true/false
347	args[nargs] = "-imacros";
348	nargs += 1;
349	args[nargs] = "stdbool.h";
350	nargs += 1;
351
352	string libbase;
353	if( !intree ) {
354	libbase = CFA_LIBDIR;
355	} else {
356	libbase = TOP_BUILDDIR "libcfa/";
357	args[nargs] = "-D__CFA_FLAG__=-t";
358	nargs += 1;
359	}
360
361	string arch = m32 ? CFA_32_CPU : (m64 ? CFA_64_CPU : CFA_DEFAULT_CPU);
362	if ( ! m32 && ! m64 ) {
363	if ( arch == "x86" ) {
364	args[nargs] = "-m32";
365	nargs += 1;
366	} else if ( arch == "x64" ) {
367	args[nargs] = "-m64";
368	nargs += 1;
369	} // if
370	} // if
371	const char * config = nolib ? "nolib" : (debug ? "debug": "nodebug");
372	string libdir = libbase + arch + "-" + config;
373
374	if ( ! nolib && ! dirExists( libdir ) ) {
375	cerr << argv[0] << " internal error, configuration " << config << " not installed." << endl;
376	cerr << "Was looking for " << libdir << endl;
377	libdir = libbase + arch + "-" + "nolib";
378	} // if
379
380	if ( ! dirExists( libdir ) ) {
381	cerr << argv[0] << " internal error, cannot find prelude directory." << endl;
382	cerr << "Was looking for " << libdir << endl;
383	exit( EXIT_FAILURE );
384	} // if
385
386	args[nargs] = ( *new string( string("-D__CFA_FLAG__=--prelude-dir=" ) + libdir + (intree ? "/prelude" : "")) ).c_str();
387	nargs += 1;
388
389	for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
390	args[nargs] = libs[i];
391	nargs += 1;
392	} // for
393
394	if ( link ) {
395	args[nargs] = "-Xlinker";
396	nargs += 1;
397	args[nargs] = "--undefined=__cfaabi_dbg_bits_write";
398	nargs += 1;
399	args[nargs] = "-Xlinker";
400	nargs += 1;
401	args[nargs] = "--undefined=__cfaabi_interpose_startup";
402	nargs += 1;
403	args[nargs] = "-Xlinker";
404	nargs += 1;
405	args[nargs] = "--undefined=__cfaabi_appready_startup";
406	nargs += 1;
407	args[nargs] = "-Xlinker";
408	nargs += 1;
409	args[nargs] = "--undefined=__cfaabi_dbg_record";
410	nargs += 1;
411
412	// include the cfa library in case it's needed
413	args[nargs] = ( *new string( string("-L" ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
414	nargs += 1;
415	args[nargs] = ( *new string( string("-Wl,-rpath," ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
416	nargs += 1;
417	args[nargs] = "-lcfa";
418	nargs += 1;
419	args[nargs] = "-lpthread";
420	nargs += 1;
421	args[nargs] = "-ldl";
422	nargs += 1;
423	args[nargs] = "-lrt";
424	nargs += 1;
425	args[nargs] = "-lm";
426	nargs += 1;
427	} // if
428
429	// Add exception flags (unconditionally)
430	args[nargs] = "-fexceptions";
431	nargs += 1;
432
433	// add the correct set of flags based on the type of compile this is
434
435	args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
436	nargs += 1;
437	args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
438	nargs += 1;
439	args[nargs] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
440	nargs += 1;
441	args[nargs] = "-D__CFA__";
442	nargs += 1;
443	args[nargs] = "-D__CFORALL__";
444	nargs += 1;
445	args[nargs] = "-D__cforall";
446	nargs += 1;
447
448	if ( cpp_flag ) {
449	args[nargs] = "-D__CPP__";
450	nargs += 1;
451	} // if
452
453	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
454	nargs += 1;
455	if ( CFA_flag ) {
456	args[sargs] = "-D__CFA_FLAG__=-N";
457	args[nargs] = "-D__CFA_PREPROCESS_";
458	nargs += 1;
459	} else {
460	args[sargs] = "-D__CFA_FLAG__=-L";
461	} // if
462	sargs += 1;
463
464	if ( debug ) {
465	heading += " (debug)";
466	args[nargs] = "-D__CFA_DEBUG__";
467	nargs += 1;
468	} else {
469	heading += " (no debug)";
470	} // if
471
472	if ( Bprefix.length() == 0 ) {
473	Bprefix = ! intree ? installlibdir : srcdriverdir;
474	if ( Bprefix[Bprefix.length() - 1] != '/' ) Bprefix += '/';
475	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
476	nargs += 1;
477	} // if
478
479	args[nargs] = "-Xlinker"; // used by backtrace
480	nargs += 1;
481	args[nargs] = "-export-dynamic";
482	nargs += 1;
483
484	// execute the compilation command
485
486	args[0] = compiler_path.c_str(); // set compiler command for exec
487	// find actual name of the compiler independent of the path to it
488	int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
489	if ( p == -1 ) {
490	compiler_name = compiler_path;
491	} else {
492	compiler_name = *new string( compiler_path.substr( p + 1 ) );
493	} // if
494
495	if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
496	args[nargs] = "-no-integrated-cpp";
497	nargs += 1;
498	args[nargs] = "-Wno-deprecated";
499	nargs += 1;
500	#ifdef HAVE_CAST_FUNCTION_TYPE
501	args[nargs] = "-Wno-cast-function-type";
502	nargs += 1;
503	#endif // HAVE_CAST_FUNCTION_TYPE
504	if ( ! std_flag ) { // default c11, if none specified
505	args[nargs] = "-std=gnu11";
506	nargs += 1;
507	} // if
508	args[nargs] = "-fgnu89-inline";
509	nargs += 1;
510	args[nargs] = "-D__int8_t_defined"; // prevent gcc type-size attributes
511	nargs += 1;
512	args[nargs] = ( *new string( string("-B") + Bprefix ) ).c_str();
513	nargs += 1;
514	} else {
515	cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
516	exit( EXIT_FAILURE );
517	} // if
518
519	args[nargs] = NULL; // terminate with NULL
520
521	#ifdef __DEBUG_H__
522	cerr << "nargs: " << nargs << endl;
523	cerr << "args:" << endl;
524	for ( int i = 0; args[i] != NULL; i += 1 ) {
525	cerr << " \"" << args[i] << "\"" << endl;
526	} // for
527	#endif // __DEBUG_H__
528
529	if ( ! quiet ) {
530	cerr << "CFA " << "Version " << Version << heading << endl;
531
532	if ( help ) {
533	cerr <<
534	"-debug\t\t\t: use cfa runtime with debug checking" << endl <<
535	"-help\t\t\t: print this help message" << endl <<
536	"-quiet\t\t\t: print no messages from the cfa command" << endl <<
537	"-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
538	"-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
539	"...\t\t\t: any other " << compiler_name << " flags" << endl;
540	} // if
541	} // if
542
543	if ( verbose ) {
544	if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
545
546	for ( int i = 0; args[i] != NULL; i += 1 ) {
547	cerr << args[i] << " ";
548	} // for
549	cerr << endl;
550	} // if
551
552	if ( ! nonoptarg ) {
553	cerr << argv[0] << " error, no input files" << endl;
554	exit( EXIT_FAILURE );
555	} // if
556
557	// execute the command and return the result
558
559	execvp( args[0], (char const )args ); // should not return
560	perror( "CFA Translator error: cfa level, execvp" );
561	exit( EXIT_FAILURE );
562	} // main
563
564	// Local Variables: //
565	// tab-width: 4 //
566	// mode: c++ //
567	// compile-command: "make install" //
568	// End: //

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