Context Navigation

source: driver/cfa.cc @ 3ce2425

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

Last change on this file since 3ce2425 was b544afa, checked in by Peter A. Buhr <pabuhr@…>, 5 years ago
move bprefix to environment variable for cc1
Property mode set to `100644`
File size: 15.5 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 : Tue Aug 27 06:11:24 2019
13	// Update Count : 416
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	using std::cerr;
31	using std::endl;
32	using std::string;
33	using std::to_string;
34
35	//#define __DEBUG_H__
36
37
38	void Putenv( char * argv[], string arg ) {
39	static int flags = 0; // environment variables must have unique names
40
41	if ( putenv( (char )( new string( string( "__CFA_FLAG" + to_string( flags++ ) + "__=" ) + arg ) ).c_str() ) ) {
42	cerr << argv[0] << " error, cannot set environment variable." << endl;
43	exit( EXIT_FAILURE );
44	} // if
45	} // Putenv
46
47
48	bool prefix( const string & arg, const string & pre ) { // check if string has prefix
49	return arg.substr( 0, pre.size() ) == pre;
50	} // prefix
51
52	bool suffix( const string & arg ) { // check if string has suffix
53	enum { NumSuffixes = 3 };
54	static const string suffixes[NumSuffixes] = { "cfa", "hfa", "ifa" };
55
56	size_t dot = arg.find_last_of( "." );
57	if ( dot == string::npos ) return false;
58	const string * end = suffixes + NumSuffixes;
59	return std::find( suffixes, end, arg.substr( dot + 1 ) ) != end;
60	} // suffix
61
62
63	static inline bool dirExists( const string & path ) { // check if directory exists
64	struct stat info;
65	if ( stat( path.c_str(), &info ) != 0 ) return false;
66	return (info.st_mode & S_IFDIR) != 0;
67	} // dirExists
68
69
70	#define xstr(s) str(s)
71	#define str(s) #s
72
73	int main( int argc, char * argv[] ) {
74	string Version( CFA_VERSION_LONG ); // current version number from CONFIG
75	string Major( xstr( CFA_VERSION_MAJOR ) ), Minor( xstr( CFA_VERSION_MINOR ) ), Patch( xstr( CFA_VERSION_PATCH ) );
76
77	string installincdir( CFA_INCDIR ); // fixed location of include files
78	string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands when installed
79	string srcdriverdir ( TOP_BUILDDIR "driver"); // fixed location of cc1 and cfa-cpp commands when in tree
80
81	string heading; // banner printed at start of cfa compilation
82	string arg; // current command-line argument during command-line parsing
83	string bprefix; // path where gcc looks for compiler steps
84	string langstd; // language standard
85
86	string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler
87	string compiler_name; // name of C compiler
88
89	bool x_flag = false; // -x flag
90	bool nonoptarg = false; // no non-option arguments specified, i.e., no file names
91	bool link = true; // link stage occurring
92	bool verbose = false; // -v flag
93	bool quiet = false; // -quiet flag
94	bool debug = true; // -debug flag
95	bool nolib = false; // -nolib flag
96	bool help = false; // -help flag
97	bool CFA_flag = false; // -CFA flag
98	bool cpp_flag = false; // -E or -M flag, preprocessor only
99	bool std_flag = false; // -std= flag
100	bool noincstd_flag = false; // -no-include-stdhdr= flag
101	bool debugging __attribute(( unused )) = false; // -g flag
102	bool m32 = false; // -m32 flag
103	bool m64 = false; // -m64 flag
104	bool intree = false; // build in tree
105	int o_file = 0; // -o filename position
106
107	const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
108	int sargs = 1; // starting location for arguments in args list
109	int nargs = sargs; // number of arguments in args list; 0 => command name
110
111	const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
112	int nlibs = 0;
113
114	#ifdef __DEBUG_H__
115	cerr << "CFA:" << endl;
116	for ( int i = 1; i < argc; i += 1 ) {
117	cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
118	} // for
119	#endif // __DEBUG_H__
120
121	// process command-line arguments
122
123	for ( int i = 1; i < argc; i += 1 ) {
124	arg = argv[i]; // convert to string value
125	if ( prefix( arg, "-" ) ) {
126	// pass through arguments
127
128	if ( arg == "-Xlinker" \|\| arg == "-o" ) {
129	args[nargs++] = argv[i]; // pass argument along
130	i += 1;
131	if ( i == argc ) continue; // next argument available ?
132	args[nargs++] = argv[i]; // pass argument along
133	if ( arg == "-o" ) o_file = i; // remember file
134	} else if ( arg == "-XCFA" ) { // CFA pass through
135	i += 1;
136	Putenv( argv, argv[i] );
137
138	// CFA specific arguments
139
140	} else if ( arg == "-CFA" ) {
141	CFA_flag = true; // strip the -CFA flag
142	link = false;
143	args[nargs++] = "-fsyntax-only"; // stop after stage 2
144	} else if ( arg == "-debug" ) {
145	debug = true; // strip the debug flag
146	} else if ( arg == "-nodebug" ) {
147	debug = false; // strip the nodebug flag
148	} else if ( arg == "-nolib" ) {
149	nolib = true; // strip the nodebug flag
150	} else if ( arg == "-quiet" ) {
151	quiet = true; // strip the quiet flag
152	} else if ( arg == "-noquiet" ) {
153	quiet = false; // strip the noquiet flag
154	} else if ( arg == "-help" ) {
155	help = true; // strip the help flag
156	} else if ( arg == "-nohelp" ) {
157	help = false; // strip the nohelp flag
158	} else if ( arg == "-no-include-stdhdr" ) {
159	noincstd_flag = true; // strip the no-include-stdhdr flag
160	} else if ( arg == "-in-tree" ) {
161	intree = true;
162	} else if ( arg == "-compiler" ) {
163	// use the user specified compiler
164	i += 1;
165	if ( i == argc ) continue; // next argument available ?
166	compiler_path = argv[i];
167	Putenv( argv, arg + "=" + argv[i] );
168
169	// C specific arguments
170
171	} else if ( arg == "-v" ) {
172	verbose = true; // verbosity required
173	args[nargs++] = argv[i]; // pass argument along
174	} else if ( arg == "-g" ) {
175	debugging = true; // symbolic debugging required
176	args[nargs++] = argv[i]; // pass argument along
177	} else if ( arg == "-save-temps" ) {
178	args[nargs++] = argv[i]; // pass argument along
179	Putenv( argv, arg ); // save cfa-cpp output
180	} else if ( prefix( arg, "-x" ) ) { // file suffix ?
181	string lang;
182	args[nargs++] = argv[i]; // pass argument along
183	if ( arg.length() == 2 ) { // separate argument ?
184	i += 1;
185	if ( i == argc ) continue; // next argument available ?
186	lang = argv[i];
187	args[nargs++] = argv[i]; // pass argument along
188	} else {
189	lang = arg.substr( 2 );
190	} // if
191	x_flag = lang != "none";
192	} else if ( prefix( arg, "-std=" ) \|\| prefix( arg, "--std=" ) ) {
193	std_flag = true; // -std=XX provided
194	args[nargs++] = argv[i]; // pass argument along
195	} else if ( arg == "-w" ) {
196	args[nargs++] = argv[i]; // pass argument along
197	Putenv( argv, arg );
198	} else if ( prefix( arg, "-W" ) ) { // check before next tests
199	if ( arg == "-Werror" \|\| arg == "-Wall" ) {
200	args[nargs++] = argv[i]; // pass argument along
201	Putenv( argv, argv[i] );
202	} else {
203	unsigned int adv = prefix( arg, "-Wno-" ) ? 5 : 2;
204	args[nargs] = argv[i]; // conditionally pass argument along
205	const char * warning = argv[i] + adv; // extract warning
206	if ( SemanticWarning_Exist( warning ) ) { // replace the argument for cfa-cpp
207	Putenv( argv, arg );
208	} // if
209	nargs += 1;
210	} // if
211	} else if ( prefix( arg, "-B" ) ) {
212	bprefix = arg.substr(2); // strip the -B flag
213	} else if ( arg == "-c" \|\| arg == "-S" \|\| arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
214	args[nargs++] = argv[i]; // pass argument along
215	if ( arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
216	cpp_flag = true; // cpp only
217	} // if
218	link = false; // no linkage required
219	} else if ( arg[1] == 'l' ) {
220	// if the user specifies a library, load it after user code
221	libs[nlibs++] = argv[i];
222	} else if ( arg == "-m32" ) {
223	m32 = true;
224	m64 = false;
225	args[nargs++] = argv[i];
226	} else if ( arg == "-m64" ) {
227	m64 = true;
228	m32 = false;
229	args[nargs++] = argv[i];
230	} else {
231	// concatenate any other arguments
232	args[nargs++] = argv[i];
233	} // if
234	} else {
235	bool cfa = suffix( arg ); // check suffix
236	if ( ! x_flag && cfa ) { // no explicit suffix and cfa suffix ?
237	args[nargs++] = "-x";
238	args[nargs++] = "c";
239	} // if
240	args[nargs++] = argv[i]; // concatenate files
241	if ( ! x_flag && cfa ) { // no explicit suffix and cfa suffix ?
242	args[nargs++] = "-x";
243	args[nargs++] = "none";
244	} // if
245	nonoptarg = true;
246	} // if
247	} // for
248
249	#ifdef __x86_64__
250	args[nargs++] = "-mcx16"; // allow double-wide CAA
251	#endif // __x86_64__
252
253	#ifdef __DEBUG_H__
254	cerr << "args:";
255	for ( int i = 1; i < nargs; i += 1 ) {
256	cerr << " " << args[i];
257	} // for
258	cerr << endl;
259	#endif // __DEBUG_H__
260
261	// -E flag stops at cc1 stage 1, so cfa-cpp in cc1 stage 2 is never executed.
262	if ( cpp_flag && CFA_flag ) {
263	cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
264	exit( EXIT_FAILURE );
265	} // if
266
267	// add the CFA include-library paths, which allow direct access to header files without directory qualification
268	if ( ! intree ) {
269	args[nargs++] = "-I" CFA_INCDIR;
270	if ( ! noincstd_flag ) { // do not use during build
271	args[nargs++] = "-I" CFA_INCDIR "stdhdr";
272	} // if
273	args[nargs++] = "-I" CFA_INCDIR "concurrency";
274	args[nargs++] = "-I" CFA_INCDIR "containers";
275	} else {
276	args[nargs++] = "-I" TOP_SRCDIR "libcfa/src";
277	if ( ! noincstd_flag ) { // do not use during build
278	args[nargs++] = "-I" TOP_SRCDIR "libcfa/src" "/stdhdr";
279	} // if
280	args[nargs++] = "-I" TOP_SRCDIR "libcfa/src" "/concurrency";
281	args[nargs++] = "-I" TOP_SRCDIR "libcfa/src" "/containers";
282	} // if
283
284	// add stdbool to get defines for bool/true/false
285	args[nargs++] = "-imacros";
286	args[nargs++] = "stdbool.h";
287
288	string libbase;
289	if ( ! intree ) {
290	libbase = CFA_LIBDIR;
291	} else {
292	libbase = TOP_BUILDDIR "libcfa/";
293	Putenv( argv, "-t" );
294	} // if
295
296	string arch( m32 ? CFA_32_CPU : (m64 ? CFA_64_CPU : CFA_DEFAULT_CPU) );
297	if ( ! m32 && ! m64 ) {
298	if ( arch == "x86" ) {
299	args[nargs++] = "-m32";
300	} else if ( arch == "x64" ) {
301	args[nargs++] = "-m64";
302	} // if
303	} // if
304
305	string libdir( libbase + arch + "-" + (nolib ? "nolib" : (debug ? "debug": "nodebug")) );
306	if ( ! dirExists( libdir ) ) {
307	cerr << argv[0] << " internal error, cannot find prelude directory " << libdir << endl;
308	exit( EXIT_FAILURE );
309	} // if
310
311	for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
312	args[nargs++] = libs[i];
313	} // for
314
315	if ( link ) {
316	args[nargs++] = "-Xlinker";
317	args[nargs++] = "--undefined=__cfaabi_dbg_bits_write";
318	args[nargs++] = "-Xlinker";
319	args[nargs++] = "--undefined=__cfaabi_interpose_startup";
320	args[nargs++] = "-Xlinker";
321	args[nargs++] = "--undefined=__cfaabi_appready_startup";
322
323	// include the cfa library in case it is needed
324	args[nargs++] = ( *new string( string("-L" ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
325	args[nargs++] = ( *new string( string("-Wl,-rpath," ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
326	args[nargs++] = "-Wl,--push-state,--as-needed";
327	args[nargs++] = "-lcfathread";
328	args[nargs++] = "-Wl,--pop-state";
329	args[nargs++] = "-lcfa";
330	args[nargs++] = "-lpthread";
331	args[nargs++] = "-ldl";
332	args[nargs++] = "-lrt";
333	args[nargs++] = "-lm";
334	} // if
335
336	args[nargs++] = "-fexceptions"; // add exception flags (unconditionally)
337
338	// add flags based on the type of compile
339
340	args[nargs++] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
341	args[nargs++] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
342	args[nargs++] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
343	args[nargs++] = "-D__CFA__";
344	args[nargs++] = "-D__CFORALL__";
345	args[nargs++] = "-D__cforall";
346
347	if ( cpp_flag ) {
348	args[nargs++] = "-D__CPP__";
349	} // if
350
351	if ( CFA_flag ) {
352	Putenv( argv, "-N" );
353	Putenv( argv, "-CFA" );
354	// -CFA implies cc1 stage 2, but gcc does not pass the -o file to this stage because it believe the file is for
355	// the linker. Hence, the -o file is explicit passed to cc1 stage 2 and used as cfa-cpp's output file.
356	if ( o_file ) Putenv( argv, string( "-o=" ) + argv[o_file] );
357	} else {
358	Putenv( argv, "-L" );
359	} // if
360
361	Putenv( argv, "--prelude-dir=" + libdir + (intree ? "/prelude" : "") );
362
363	if ( debug ) {
364	heading += " (debug)";
365	args[nargs++] = "-D__CFA_DEBUG__";
366	} else {
367	heading += " (no debug)";
368	} // if
369
370	if ( bprefix.length() == 0 ) {
371	bprefix = ! intree ? installlibdir : srcdriverdir;
372	if ( bprefix[bprefix.length() - 1] != '/' ) bprefix += '/';
373	Putenv( argv, ( *new string( string("-B=") + bprefix ) ).c_str() );
374	} // if
375
376	args[nargs++] = "-Xlinker"; // used by backtrace
377	args[nargs++] = "-export-dynamic";
378
379	// execute the compilation command
380
381	args[0] = compiler_path.c_str(); // set compiler command for exec
382	// find actual name of the compiler independent of the path to it
383	int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
384	if ( p == -1 ) {
385	compiler_name = compiler_path;
386	} else {
387	compiler_name = *new string( compiler_path.substr( p + 1 ) );
388	} // if
389
390	if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
391	args[nargs++] = "-no-integrated-cpp";
392	args[nargs++] = "-Wno-deprecated";
393	#ifdef HAVE_CAST_FUNCTION_TYPE
394	args[nargs++] = "-Wno-cast-function-type";
395	#endif // HAVE_CAST_FUNCTION_TYPE
396	if ( ! std_flag ) { // default c11, if none specified
397	args[nargs++] = "-std=gnu11";
398	} // if
399	args[nargs++] = "-fgnu89-inline";
400	args[nargs++] = "-D__int8_t_defined"; // prevent gcc type-size attributes
401	args[nargs++] = ( *new string( string("-B") + bprefix ) ).c_str();
402	} else {
403	cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
404	exit( EXIT_FAILURE );
405	} // if
406
407	args[nargs] = nullptr; // terminate
408
409	#ifdef __DEBUG_H__
410	cerr << "nargs: " << nargs << endl;
411	cerr << "args:" << endl;
412	for ( int i = 0; args[i] != nullptr; i += 1 ) {
413	cerr << " \"" << args[i] << "\"" << endl;
414	} // for
415	#endif // __DEBUG_H__
416
417	if ( ! quiet ) {
418	cerr << "CFA " << "Version " << Version << heading << endl;
419
420	if ( help ) {
421	cerr <<
422	"-debug\t\t\t: use cfa runtime with debug checking" << endl <<
423	"-help\t\t\t: print this help message" << endl <<
424	"-quiet\t\t\t: print no messages from the cfa command" << endl <<
425	"-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
426	"-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
427	"...\t\t\t: any other " << compiler_name << " flags" << endl;
428	} // if
429	} // if
430
431	if ( verbose ) {
432	if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
433
434	for ( int i = 0; args[i] != nullptr; i += 1 ) {
435	cerr << args[i] << " ";
436	} // for
437	cerr << endl;
438	} // if
439
440	if ( ! nonoptarg ) {
441	cerr << argv[0] << " error, no input files" << endl;
442	exit( EXIT_FAILURE );
443	} // if
444
445	// execute the command and return the result
446
447	execvp( args[0], (char const )args ); // should not return
448	perror( "CFA Translator error: execvp" );
449	exit( EXIT_FAILURE );
450	} // main
451
452	// Local Variables: //
453	// tab-width: 4 //
454	// mode: c++ //
455	// compile-command: "make install" //
456	// End: //

Note: See TracBrowser for help on using the repository browser.

Download in other formats: