source: src/driver/cfa.cc@ bd56b07

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr no_list persistent-indexer pthread-emulation qualifiedEnum
Last change on this file since bd56b07 was 1997b4e, checked in by Thierry Delisle <tdelisle@…>, 7 years ago

tentative fix of the linking ordering problem
  • Property mode set to 100644
File size: 16.4 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 : Fri Jul 13 17:40:12 2018
13// Update Count : 258
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 "Common/SemanticError.h"
24#include "config.h" // configure info
25
26using std::cerr;
27using std::endl;
28using std::string;
29using std::to_string;
30
31
32//#define __DEBUG_H__
33
34
35bool prefix( string arg, string pre ) {
36 return arg.substr( 0, pre.size() ) == pre;
37} // prefix
38
39enum { NumSuffixes = 2 };
40const string suffixes[NumSuffixes] = { "cfa", "hfa", };
41
42bool suffix( string arg ) {
43 //std::cerr << arg << std::endl;
44 size_t dot = arg.find_last_of( "." );
45 //std::cerr << dot << " " << (dot != string::npos ? arg.substr( dot + 1 ) : "fred" ) << std::endl;
46 if ( dot == string::npos ) return false;
47 string sx = arg.substr( dot + 1 );
48 for ( int i = 0; i < NumSuffixes; i += 1 ) {
49 if ( sx == suffixes[i] ) return true;
50 } // for
51 return false;
52} // suffix
53
54
55void shuffle( const char *args[], int S, int E, int N ) {
56 // S & E index 1 passed the end so adjust with -1
57 #ifdef __DEBUG_H__
58 cerr << "shuffle:" << S << " " << E << " " << N << endl;
59 #endif // __DEBUG_H__
60 for ( int j = E-1 + N; j > S-1 + N; j -=1 ) {
61 #ifdef __DEBUG_H__
62 cerr << "\t" << j << " " << j-N << endl;
63 #endif // __DEBUG_H__
64 args[j] = args[j-N];
65 } // for
66} // shuffle
67
68
69#define str(s) #s
70
71int main( int argc, char *argv[] ) {
72 string Version( CFA_VERSION_LONG ); // current version number from CONFIG
73 string Major( str( CFA_VERSION_MAJOR ) ), Minor( str( CFA_VERSION_MINOR ) ), Patch( str( CFA_VERSION_PATCH ) );
74
75 string installincdir( CFA_INCDIR ); // fixed location of include files
76 string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands
77
78 string heading; // banner printed at start of cfa compilation
79 string arg; // current command-line argument during command-line parsing
80 string Bprefix; // path where gcc looks for compiler command steps
81 string langstd; // language standard
82
83 string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler
84 string compiler_name; // name of C compiler
85
86 bool nonoptarg = false; // indicates non-option argument specified
87 bool link = true; // linking as well as compiling
88 bool verbose = false; // -v flag
89 bool quiet = false; // -quiet flag
90 bool debug = true; // -debug flag
91 bool help = false; // -help flag
92 bool CFA_flag = false; // -CFA flag
93 bool cpp_flag = false; // -E or -M flag, preprocessor only
94 bool std_flag = false; // -std= flag
95 bool noincstd_flag = false; // -no-include-stdhdr= flag
96 bool xflag = false; // user supplied -x flag
97 bool debugging __attribute(( unused )) = false; // -g flag
98
99 const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
100 int sargs = 1; // starting location for arguments in args list
101 int nargs = sargs; // number of arguments in args list; 0 => command name
102
103 const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
104 int nlibs = 0;
105
106 #ifdef __DEBUG_H__
107 cerr << "CFA:" << endl;
108 #endif // __DEBUG_H__
109
110 // process command-line arguments
111
112 for ( int i = 1; i < argc; i += 1 ) {
113 #ifdef __DEBUG_H__
114 cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
115 #endif // __DEBUG_H__
116 arg = argv[i]; // convert to string value
117 #ifdef __DEBUG_H__
118 cerr << "arg:\"" << arg << "\"" << endl;
119 #endif // __DEBUG_H__
120 if ( prefix( arg, "-" ) ) {
121 // pass through arguments
122
123 if ( arg == "-Xlinker" || arg == "-o" ) {
124 args[nargs] = argv[i]; // pass the argument along
125 nargs += 1;
126 i += 1;
127 if ( i == argc ) continue; // next argument available ?
128 args[nargs] = argv[i]; // pass the argument along
129 nargs += 1;
130 } else if ( arg == "-XCFA" ) { // CFA pass through
131 i += 1;
132 args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str();
133 nargs += 1;
134
135 // CFA specific arguments
136
137 } else if ( arg == "-CFA" ) {
138 CFA_flag = true; // strip the -CFA flag
139 link = false;
140 args[nargs] = "-E"; // replace the argument with -E
141 nargs += 1;
142 } else if ( arg == "-debug" ) {
143 debug = true; // strip the debug flag
144 } else if ( arg == "-nodebug" ) {
145 debug = false; // strip the nodebug flag
146 } else if ( arg == "-quiet" ) {
147 quiet = true; // strip the quiet flag
148 } else if ( arg == "-noquiet" ) {
149 quiet = false; // strip the noquiet flag
150 } else if ( arg == "-help" ) {
151 help = true; // strip the help flag
152 } else if ( arg == "-nohelp" ) {
153 help = false; // strip the nohelp flag
154 } else if ( arg == "-no-include-stdhdr" ) {
155 noincstd_flag = true; // strip the no-include-stdhdr flag
156 } else if ( arg == "-compiler" ) {
157 // use the user specified compiler
158 i += 1;
159 if ( i == argc ) continue; // next argument available ?
160 compiler_path = argv[i];
161 if ( putenv( (char *)( *new string( string( "__U_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) {
162 cerr << argv[0] << " error, cannot set environment variable." << endl;
163 exit( EXIT_FAILURE );
164 } // if
165
166 // C specific arguments
167
168 } else if ( arg == "-v" ) {
169 verbose = true; // verbosity required
170 args[nargs] = argv[i]; // pass the argument along
171 nargs += 1;
172 } else if ( arg == "-g" ) {
173 debugging = true; // symbolic debugging required
174 args[nargs] = argv[i]; // pass the argument along
175 nargs += 1;
176 } else if ( prefix( arg, "-std=" ) || prefix( arg, "--std=" ) ) {
177 std_flag = true; // -std=XX provided
178 args[nargs] = argv[i]; // pass the argument along
179 nargs += 1;
180 } else if ( arg == "-x" ) {
181 xflag = true;
182 args[nargs] = argv[i]; // pass the argument along
183 nargs += 1;
184 i += 1; // advance to argument
185 args[nargs] = argv[i]; // pass the argument along
186 nargs += 1;
187 // args[nargs] = ( *new string( string("-D__GCC_X__=") + argv[i] ) ).c_str(); // add the argument for -x
188 // nargs += 1;
189 } else if ( prefix( arg, "-x" ) ) {
190 xflag = true;
191 args[nargs] = argv[i]; // pass the argument along
192 nargs += 1;
193 // args[nargs] = ( *new string( string("-D__GCC_X__=") + arg.substr(2) ) ).c_str(); // add the argument for -x
194 // nargs += 1;
195 } else if ( arg == "-w" ) {
196 args[nargs] = argv[i]; // pass the argument along
197 nargs += 1;
198 args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
199 nargs += 1;
200 } else if ( prefix( arg, "-W" ) ) { // check before next tests
201 if ( arg == "-Werror" || arg == "-Wall" ) {
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 {
207 unsigned int adv = prefix( arg, "-Wno-" ) ? 5 : 2;
208 args[nargs] = argv[i]; // conditionally pass the argument along
209 const char * warning = argv[i] + adv; // extract warning
210 if ( SemanticWarning_Exist( warning ) ) { // replace the argument for cfa-cpp
211 args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str();
212 } // if
213 nargs += 1;
214 } // if
215 } else if ( prefix( arg, "-B" ) ) {
216 Bprefix = arg.substr(2); // strip the -B flag
217 args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
218 nargs += 1;
219 } else if ( prefix( arg, "-b" ) ) {
220 if ( arg.length() == 2 ) { // separate argument ?
221 i += 1;
222 if ( i == argc ) continue; // next argument available ?
223 arg += argv[i]; // concatenate argument
224 } // if
225 // later versions of gcc require the -b option to appear at the start of the command line
226 shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
227 args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
228 if ( putenv( (char *)( *new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) {
229 cerr << argv[0] << " error, cannot set environment variable." << endl;
230 exit( EXIT_FAILURE );
231 } // if
232 sargs += 1;
233 nargs += 1;
234 } else if ( prefix( arg, "-V" ) ) {
235 if ( arg.length() == 2 ) { // separate argument ?
236 i += 1;
237 if ( i == argc ) continue; // next argument available ?
238 arg += argv[i]; // concatenate argument
239 } // if
240 // later versions of gcc require the -V option to appear at the start of the command line
241 shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
242 args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
243 if ( putenv( (char *)( *new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) {
244 cerr << argv[0] << " error, cannot set environment variable." << endl;
245 exit( EXIT_FAILURE );
246 } // if
247 sargs += 1;
248 nargs += 1;
249 } else if ( arg == "-c" || arg == "-S" || arg == "-E" || arg == "-M" || arg == "-MM" ) {
250 args[nargs] = argv[i]; // pass the argument along
251 nargs += 1;
252 if ( arg == "-E" || arg == "-M" || arg == "-MM" ) {
253 cpp_flag = true; // cpp only
254 } // if
255 link = false; // no linkage required
256 } else if ( arg[1] == 'l' ) {
257 // if the user specifies a library, load it after user code
258 libs[nlibs] = argv[i];
259 nlibs += 1;
260 } else {
261 // concatenate any other arguments
262 args[nargs] = argv[i];
263 nargs += 1;
264 } // if
265 } else {
266 bool opt = false;
267 if ( ! xflag && suffix( arg ) ) {
268 args[nargs] = "-x";
269 nargs += 1;
270 args[nargs] = "c";
271 nargs += 1;
272 // args[nargs] = ( *new string( string("-D__GCC_X__=c") ) ).c_str(); // add the argument for -x
273 // nargs += 1;
274 opt = true;
275 } // if
276 // concatenate other arguments
277 args[nargs] = argv[i];
278 nargs += 1;
279 if ( opt ) {
280 args[nargs] = "-x";
281 nargs += 1;
282 args[nargs] = "none";
283 nargs += 1;
284 // args[nargs] = ( *new string( string("-D__GCC_X__=none") ) ).c_str(); // add the argument for -x
285 // nargs += 1;
286 } // if
287 nonoptarg = true;
288 xflag = false;
289 } // if
290 } // for
291
292 #ifdef __x86_64__
293 args[nargs] = "-mcx16"; // allow double-wide CAA
294 nargs += 1;
295 #endif // __x86_64__
296
297 #ifdef __DEBUG_H__
298 cerr << "args:";
299 for ( int i = 1; i < nargs; i += 1 ) {
300 cerr << " " << args[i];
301 } // for
302 cerr << endl;
303 #endif // __DEBUG_H__
304
305 if ( cpp_flag && CFA_flag ) {
306 cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
307 exit( EXIT_FAILURE );
308 } // if
309
310 // add the CFA include-library paths, which allow direct access to header files without directory qualification
311 args[nargs] = "-I" CFA_INCDIR;
312 nargs += 1;
313 if ( ! noincstd_flag ) { // do not use during build
314 args[nargs] = "-I" CFA_INCDIR "/stdhdr";
315 nargs += 1;
316 } // if
317 args[nargs] = "-I" CFA_INCDIR "/concurrency";
318 nargs += 1;
319 args[nargs] = "-I" CFA_INCDIR "/containers";
320 nargs += 1;
321
322 #ifdef HAVE_LIBCFA
323 if ( link ) {
324 #if ! defined(HAVE_LIBCFA_RELEASE)
325 if ( ! debug ) {
326 cerr << "error: Option -nodebug is unavailable, libcfa was not installed." << endl;
327 exit( EXIT_FAILURE );
328 } // if
329 #endif
330 #if ! defined(HAVE_LIBCFA_DEBUG)
331 if ( debug ) {
332 cerr << "error: Option -debug is unavailable, libcfa-d was not installed." << endl;
333 exit( EXIT_FAILURE );
334 } // if
335 #endif
336
337 args[nargs] = "-Xlinker";
338 nargs += 1;
339 args[nargs] = "--undefined=__cfaabi_dbg_bits_write";
340 nargs += 1;
341 args[nargs] = "-Xlinker";
342 nargs += 1;
343 args[nargs] = "--undefined=__cfaabi_interpose_startup";
344 nargs += 1;
345 args[nargs] = "-Xlinker";
346 nargs += 1;
347 args[nargs] = "--undefined=__cfaabi_appready_startup";
348 nargs += 1;
349 args[nargs] = "-Xlinker";
350 nargs += 1;
351 args[nargs] = "--undefined=__cfaabi_dbg_record";
352 nargs += 1;
353
354 // include the cfa library in case it's needed
355 args[nargs] = "-L" CFA_LIBDIR;
356 nargs += 1;
357 if ( debug ) {
358 args[nargs] = "-lcfa-d";
359 } else {
360 args[nargs] = "-lcfa";
361 } // if
362 nargs += 1;
363 args[nargs] = "-lpthread";
364 nargs += 1;
365 args[nargs] = "-ldl";
366 nargs += 1;
367 args[nargs] = "-lrt";
368 nargs += 1;
369 } // if
370 #endif // HAVE_LIBCFA
371
372 // Add exception flags (unconditionally)
373 args[nargs] = "-fexceptions";
374 nargs += 1;
375
376 // add the correct set of flags based on the type of compile this is
377
378 args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
379 nargs += 1;
380 args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
381 nargs += 1;
382 args[nargs] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
383 nargs += 1;
384 args[nargs] = "-D__CFA__";
385 nargs += 1;
386 args[nargs] = "-D__CFORALL__";
387 nargs += 1;
388 args[nargs] = "-D__cforall";
389 nargs += 1;
390
391 if ( cpp_flag ) {
392 args[nargs] = "-D__CPP__";
393 nargs += 1;
394 } // if
395
396 shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
397 nargs += 1;
398 if ( CFA_flag ) {
399 args[sargs] = "-D__CFA_FLAG__=-N";
400 args[nargs] = "-D__CFA_PREPROCESS_";
401 nargs += 1;
402 } else {
403 args[sargs] = "-D__CFA_FLAG__=-L";
404 } // if
405 sargs += 1;
406
407 if ( debug ) {
408 heading += " (debug)";
409 args[nargs] = "-D__CFA_DEBUG__";
410 nargs += 1;
411 } else {
412 heading += " (no debug)";
413 } // if
414
415 if ( Bprefix.length() == 0 ) {
416 Bprefix = installlibdir;
417 args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
418 nargs += 1;
419 } // if
420
421 args[nargs] = "-Xlinker"; // used by backtrace
422 nargs += 1;
423 args[nargs] = "-export-dynamic";
424 nargs += 1;
425
426 // execute the compilation command
427
428 args[0] = compiler_path.c_str(); // set compiler command for exec
429 // find actual name of the compiler independent of the path to it
430 int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
431 if ( p == -1 ) {
432 compiler_name = compiler_path;
433 } else {
434 compiler_name = *new string( compiler_path.substr( p + 1 ) );
435 } // if
436
437 if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
438 args[nargs] = "-no-integrated-cpp";
439 nargs += 1;
440 args[nargs] = "-Wno-deprecated";
441 nargs += 1;
442 if ( ! std_flag ) { // default c11, if none specified
443 args[nargs] = "-std=gnu11";
444 nargs += 1;
445 } // if
446 args[nargs] = "-fgnu89-inline";
447 nargs += 1;
448 args[nargs] = "-D__int8_t_defined"; // prevent gcc type-size attributes
449 nargs += 1;
450 args[nargs] = ( *new string( string("-B") + Bprefix + "/" ) ).c_str();
451 nargs += 1;
452 args[nargs] = "-lm";
453 nargs += 1;
454 } else {
455 cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
456 exit( EXIT_FAILURE );
457 } // if
458
459 for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
460 args[nargs] = libs[i];
461 nargs += 1;
462 } // for
463
464 args[nargs] = NULL; // terminate with NULL
465
466 #ifdef __DEBUG_H__
467 cerr << "nargs: " << nargs << endl;
468 cerr << "args:" << endl;
469 for ( int i = 0; args[i] != NULL; i += 1 ) {
470 cerr << " \"" << args[i] << "\"" << endl;
471 } // for
472 #endif // __DEBUG_H__
473
474 if ( ! quiet ) {
475 cerr << "CFA " << "Version " << Version << heading << endl;
476
477 if ( help ) {
478 cerr <<
479 "-debug\t\t\t: use cfa runtime with debug checking" << endl <<
480 "-help\t\t\t: print this help message" << endl <<
481 "-quiet\t\t\t: print no messages from the cfa command" << endl <<
482 "-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
483 "-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
484 "...\t\t\t: any other " << compiler_name << " flags" << endl;
485 } // if
486 } // if
487
488 if ( verbose ) {
489 if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
490
491 for ( int i = 0; args[i] != NULL; i += 1 ) {
492 cerr << args[i] << " ";
493 } // for
494 cerr << endl;
495 } // if
496
497 if ( ! nonoptarg ) {
498 cerr << argv[0] << " error, no input files" << endl;
499 exit( EXIT_FAILURE );
500 } // if
501
502 // execute the command and return the result
503
504 execvp( args[0], (char *const *)args ); // should not return
505 perror( "CFA Translator error: cfa level, execvp" );
506 exit( EXIT_FAILURE );
507} // main
508
509// Local Variables: //
510// tab-width: 4 //
511// mode: c++ //
512// compile-command: "make install" //
513// End: //
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