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source: driver/cfa.cc @ 70a1c3ae

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Last change on this file since 70a1c3ae was def9d4e, checked in by Peter A. Buhr <pabuhr@…>, 6 years ago
change linker-file order
Property mode set to `100644`
File size: 17.7 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 : Tue Jan 15 20:56:03 2019
13	// Update Count : 280
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 help = false; // -help flag
112	bool CFA_flag = false; // -CFA flag
113	bool cpp_flag = false; // -E or -M flag, preprocessor only
114	bool std_flag = false; // -std= flag
115	bool noincstd_flag = false; // -no-include-stdhdr= flag
116	bool debugging __attribute(( unused )) = false; // -g flag
117	bool m32 = false; // -m32 flag
118	bool m64 = false; // -m64 flag
119	bool intree = false;
120
121	const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
122	int sargs = 1; // starting location for arguments in args list
123	int nargs = sargs; // number of arguments in args list; 0 => command name
124
125	const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
126	int nlibs = 0;
127
128	#ifdef __DEBUG_H__
129	cerr << "CFA:" << endl;
130	for ( int i = 1; i < argc; i += 1 ) {
131	cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
132	} // for
133	#endif // __DEBUG_H__
134
135	// process command-line arguments
136
137	for ( int i = 1; i < argc; i += 1 ) {
138	arg = argv[i]; // convert to string value
139	if ( prefix( arg, "-" ) ) {
140	// pass through arguments
141
142	if ( arg == "-Xlinker" \|\| arg == "-o" ) {
143	args[nargs] = argv[i]; // pass the argument along
144	nargs += 1;
145	i += 1;
146	if ( i == argc ) continue; // next argument available ?
147	args[nargs] = argv[i]; // pass the argument along
148	nargs += 1;
149	} else if ( arg == "-XCFA" ) { // CFA pass through
150	i += 1;
151	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str();
152	nargs += 1;
153
154	// CFA specific arguments
155
156	} else if ( arg == "-CFA" ) {
157	CFA_flag = true; // strip the -CFA flag
158	link = false;
159	args[nargs] = "-E"; // replace the argument with -E
160	nargs += 1;
161	} else if ( arg == "-debug" ) {
162	debug = true; // strip the debug flag
163	} else if ( arg == "-nodebug" ) {
164	debug = false; // strip the nodebug flag
165	} else if ( arg == "-quiet" ) {
166	quiet = true; // strip the quiet flag
167	} else if ( arg == "-noquiet" ) {
168	quiet = false; // strip the noquiet flag
169	} else if ( arg == "-help" ) {
170	help = true; // strip the help flag
171	} else if ( arg == "-nohelp" ) {
172	help = false; // strip the nohelp flag
173	} else if ( arg == "-no-include-stdhdr" ) {
174	noincstd_flag = true; // strip the no-include-stdhdr flag
175	} else if ( arg == "-in-tree" ) {
176	intree = true;
177	} else if ( arg == "-compiler" ) {
178	// use the user specified compiler
179	i += 1;
180	if ( i == argc ) continue; // next argument available ?
181	compiler_path = argv[i];
182	if ( putenv( (char )( new string( string( "__CFA_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) {
183	cerr << argv[0] << " error, cannot set environment variable." << endl;
184	exit( EXIT_FAILURE );
185	} // if
186
187	// C specific arguments
188
189	} else if ( arg == "-v" ) {
190	verbose = true; // verbosity required
191	args[nargs] = argv[i]; // pass the argument along
192	nargs += 1;
193	} else if ( arg == "-g" ) {
194	debugging = true; // symbolic debugging required
195	args[nargs] = argv[i]; // pass the argument along
196	nargs += 1;
197	} else if ( prefix( arg, "-std=" ) \|\| prefix( arg, "--std=" ) ) {
198	std_flag = true; // -std=XX provided
199	args[nargs] = argv[i]; // pass the argument along
200	nargs += 1;
201	} else if ( arg == "-w" ) {
202	args[nargs] = argv[i]; // pass the argument along
203	nargs += 1;
204	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
205	nargs += 1;
206	} else if ( prefix( arg, "-W" ) ) { // check before next tests
207	if ( arg == "-Werror" \|\| arg == "-Wall" ) {
208	args[nargs] = argv[i]; // pass the argument along
209	nargs += 1;
210	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
211	nargs += 1;
212	} else {
213	unsigned int adv = prefix( arg, "-Wno-" ) ? 5 : 2;
214	args[nargs] = argv[i]; // conditionally pass the argument along
215	const char * warning = argv[i] + adv; // extract warning
216	if ( SemanticWarning_Exist( warning ) ) { // replace the argument for cfa-cpp
217	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str();
218	} // if
219	nargs += 1;
220	} // if
221	} else if ( prefix( arg, "-B" ) ) {
222	Bprefix = arg.substr(2); // strip the -B flag
223	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
224	nargs += 1;
225	} else if ( prefix( arg, "-b" ) ) {
226	if ( arg.length() == 2 ) { // separate argument ?
227	i += 1;
228	if ( i == argc ) continue; // next argument available ?
229	arg += argv[i]; // concatenate argument
230	} // if
231	// later versions of gcc require the -b option to appear at the start of the command line
232	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
233	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
234	if ( putenv( (char )( new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) {
235	cerr << argv[0] << " error, cannot set environment variable." << endl;
236	exit( EXIT_FAILURE );
237	} // if
238	sargs += 1;
239	nargs += 1;
240	} else if ( prefix( arg, "-V" ) ) {
241	if ( arg.length() == 2 ) { // separate argument ?
242	i += 1;
243	if ( i == argc ) continue; // next argument available ?
244	arg += argv[i]; // concatenate argument
245	} // if
246	// later versions of gcc require the -V option to appear at the start of the command line
247	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
248	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
249	if ( putenv( (char )( new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) {
250	cerr << argv[0] << " error, cannot set environment variable." << endl;
251	exit( EXIT_FAILURE );
252	} // if
253	sargs += 1;
254	nargs += 1;
255	} else if ( arg == "-c" \|\| arg == "-S" \|\| arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
256	args[nargs] = argv[i]; // pass the argument along
257	nargs += 1;
258	if ( arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
259	cpp_flag = true; // cpp only
260	} // if
261	link = false; // no linkage required
262	} else if ( arg[1] == 'l' ) {
263	// if the user specifies a library, load it after user code
264	libs[nlibs] = argv[i];
265	nlibs += 1;
266	} else if ( arg == "-m32" ) {
267	m32 = true;
268	m64 = false;
269	args[nargs] = argv[i];
270	nargs += 1;
271	} else if ( arg == "-m64" ) {
272	m64 = true;
273	m32 = false;
274	args[nargs] = argv[i];
275	nargs += 1;
276	} else {
277	// concatenate any other arguments
278	args[nargs] = argv[i];
279	nargs += 1;
280	} // if
281	} else {
282	bool cfa = suffix( arg, args, nargs ); // check suffix
283	args[nargs] = argv[i]; // concatenate file
284	nargs += 1;
285	if ( cfa ) {
286	args[nargs] = "-x";
287	nargs += 1;
288	args[nargs] = "none";
289	nargs += 1;
290	} // if
291	nonoptarg = true;
292	} // if
293	} // for
294
295	args[nargs] = "-x"; // turn off language
296	nargs += 1;
297	args[nargs] = "none";
298	nargs += 1;
299
300	#ifdef __x86_64__
301	args[nargs] = "-mcx16"; // allow double-wide CAA
302	nargs += 1;
303	#endif // __x86_64__
304
305	#ifdef __DEBUG_H__
306	cerr << "args:";
307	for ( int i = 1; i < nargs; i += 1 ) {
308	cerr << " " << args[i];
309	} // for
310	cerr << endl;
311	#endif // __DEBUG_H__
312
313	if ( cpp_flag && CFA_flag ) {
314	cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
315	exit( EXIT_FAILURE );
316	} // if
317
318	// add the CFA include-library paths, which allow direct access to header files without directory qualification
319	if( !intree ) {
320	args[nargs] = "-I" CFA_INCDIR;
321	nargs += 1;
322	if ( ! noincstd_flag ) { // do not use during build
323	args[nargs] = "-I" CFA_INCDIR "stdhdr";
324	nargs += 1;
325	} // if
326	args[nargs] = "-I" CFA_INCDIR "concurrency";
327	nargs += 1;
328	args[nargs] = "-I" CFA_INCDIR "containers";
329	nargs += 1;
330	} else {
331	args[nargs] = "-I" TOP_SRCDIR "libcfa/src";
332	nargs += 1;
333	if ( ! noincstd_flag ) { // do not use during build
334	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/stdhdr";
335	nargs += 1;
336	} // if
337	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/concurrency";
338	nargs += 1;
339	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/containers";
340	nargs += 1;
341	}
342
343	// add stdbool to get defines for bool/true/false
344	args[nargs] = "-imacros";
345	nargs += 1;
346	args[nargs] = "stdbool.h";
347	nargs += 1;
348
349	string libbase;
350	if( !intree ) {
351	libbase = CFA_LIBDIR;
352	} else {
353	libbase = TOP_BUILDDIR "libcfa/";
354	args[nargs] = "-D__CFA_FLAG__=-t";
355	nargs += 1;
356	}
357
358	string arch = m32 ? CFA_32_CPU : (m64 ? CFA_64_CPU : CFA_DEFAULT_CPU);
359	if ( ! m32 && ! m64 ) {
360	if ( arch == "x86" ) {
361	args[nargs] = "-m32";
362	nargs += 1;
363	} else if ( arch == "x64" ) {
364	args[nargs] = "-m64";
365	nargs += 1;
366	} // if
367	} // if
368	const char * config = debug ? "debug": "nodebug";
369	string libdir = libbase + arch + "-" + config;
370
371	if ( ! dirExists( libdir ) ) {
372	cerr << argv[0] << " internal error, configuration " << config << " not installed." << endl;
373	cerr << "Was looking for " << libdir << endl;
374	libdir = libbase + arch + "-" + "nolib";
375	} // if
376
377	if ( ! dirExists( libdir ) ) {
378	cerr << argv[0] << " internal error, cannot find prelude directory." << endl;
379	cerr << "Was looking for " << libdir << endl;
380	exit( EXIT_FAILURE );
381	} // if
382
383	args[nargs] = ( *new string( string("-D__CFA_FLAG__=--prelude-dir=" ) + libdir + (intree ? "/prelude" : "")) ).c_str();
384	nargs += 1;
385
386	for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
387	args[nargs] = libs[i];
388	nargs += 1;
389	} // for
390
391	if ( link ) {
392	args[nargs] = "-Xlinker";
393	nargs += 1;
394	args[nargs] = "--undefined=__cfaabi_dbg_bits_write";
395	nargs += 1;
396	args[nargs] = "-Xlinker";
397	nargs += 1;
398	args[nargs] = "--undefined=__cfaabi_interpose_startup";
399	nargs += 1;
400	args[nargs] = "-Xlinker";
401	nargs += 1;
402	args[nargs] = "--undefined=__cfaabi_appready_startup";
403	nargs += 1;
404	args[nargs] = "-Xlinker";
405	nargs += 1;
406	args[nargs] = "--undefined=__cfaabi_dbg_record";
407	nargs += 1;
408
409	// include the cfa library in case it's needed
410	args[nargs] = ( *new string( string("-L" ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
411	nargs += 1;
412	args[nargs] = ( *new string( string("-Wl,-rpath," ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
413	nargs += 1;
414	args[nargs] = "-lcfa";
415	nargs += 1;
416	args[nargs] = "-lpthread";
417	nargs += 1;
418	args[nargs] = "-ldl";
419	nargs += 1;
420	args[nargs] = "-lrt";
421	nargs += 1;
422	args[nargs] = "-lm";
423	nargs += 1;
424	} // if
425
426	// Add exception flags (unconditionally)
427	args[nargs] = "-fexceptions";
428	nargs += 1;
429
430	// add the correct set of flags based on the type of compile this is
431
432	args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
433	nargs += 1;
434	args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
435	nargs += 1;
436	args[nargs] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
437	nargs += 1;
438	args[nargs] = "-D__CFA__";
439	nargs += 1;
440	args[nargs] = "-D__CFORALL__";
441	nargs += 1;
442	args[nargs] = "-D__cforall";
443	nargs += 1;
444
445	if ( cpp_flag ) {
446	args[nargs] = "-D__CPP__";
447	nargs += 1;
448	} // if
449
450	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
451	nargs += 1;
452	if ( CFA_flag ) {
453	args[sargs] = "-D__CFA_FLAG__=-N";
454	args[nargs] = "-D__CFA_PREPROCESS_";
455	nargs += 1;
456	} else {
457	args[sargs] = "-D__CFA_FLAG__=-L";
458	} // if
459	sargs += 1;
460
461	if ( debug ) {
462	heading += " (debug)";
463	args[nargs] = "-D__CFA_DEBUG__";
464	nargs += 1;
465	} else {
466	heading += " (no debug)";
467	} // if
468
469	if ( Bprefix.length() == 0 ) {
470	Bprefix = ! intree ? installlibdir : srcdriverdir;
471	if ( Bprefix[Bprefix.length() - 1] != '/' ) Bprefix += '/';
472	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
473	nargs += 1;
474	} // if
475
476	args[nargs] = "-Xlinker"; // used by backtrace
477	nargs += 1;
478	args[nargs] = "-export-dynamic";
479	nargs += 1;
480
481	// execute the compilation command
482
483	args[0] = compiler_path.c_str(); // set compiler command for exec
484	// find actual name of the compiler independent of the path to it
485	int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
486	if ( p == -1 ) {
487	compiler_name = compiler_path;
488	} else {
489	compiler_name = *new string( compiler_path.substr( p + 1 ) );
490	} // if
491
492	if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
493	args[nargs] = "-no-integrated-cpp";
494	nargs += 1;
495	args[nargs] = "-Wno-deprecated";
496	nargs += 1;
497	if ( ! std_flag ) { // default c11, if none specified
498	args[nargs] = "-std=gnu11";
499	nargs += 1;
500	} // if
501	args[nargs] = "-fgnu89-inline";
502	nargs += 1;
503	args[nargs] = "-D__int8_t_defined"; // prevent gcc type-size attributes
504	nargs += 1;
505	args[nargs] = ( *new string( string("-B") + Bprefix ) ).c_str();
506	nargs += 1;
507	} else {
508	cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
509	exit( EXIT_FAILURE );
510	} // if
511
512	args[nargs] = NULL; // terminate with NULL
513
514	#ifdef __DEBUG_H__
515	cerr << "nargs: " << nargs << endl;
516	cerr << "args:" << endl;
517	for ( int i = 0; args[i] != NULL; i += 1 ) {
518	cerr << " \"" << args[i] << "\"" << endl;
519	} // for
520	#endif // __DEBUG_H__
521
522	if ( ! quiet ) {
523	cerr << "CFA " << "Version " << Version << heading << endl;
524
525	if ( help ) {
526	cerr <<
527	"-debug\t\t\t: use cfa runtime with debug checking" << endl <<
528	"-help\t\t\t: print this help message" << endl <<
529	"-quiet\t\t\t: print no messages from the cfa command" << endl <<
530	"-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
531	"-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
532	"...\t\t\t: any other " << compiler_name << " flags" << endl;
533	} // if
534	} // if
535
536	if ( verbose ) {
537	if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
538
539	for ( int i = 0; args[i] != NULL; i += 1 ) {
540	cerr << args[i] << " ";
541	} // for
542	cerr << endl;
543	} // if
544
545	if ( ! nonoptarg ) {
546	cerr << argv[0] << " error, no input files" << endl;
547	exit( EXIT_FAILURE );
548	} // if
549
550	// execute the command and return the result
551
552	execvp( args[0], (char const )args ); // should not return
553	perror( "CFA Translator error: cfa level, execvp" );
554	exit( EXIT_FAILURE );
555	} // main
556
557	// Local Variables: //
558	// tab-width: 4 //
559	// mode: c++ //
560	// compile-command: "make install" //
561	// End: //

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