2 import IR.Tree.Modifiers;
3 import IR.Tree.FlagExpressionNode;
4 import IR.Tree.DNFFlag;
5 import IR.Tree.DNFFlagAtom;
6 import IR.Tree.TagExpressionList;
7 import IR.Tree.OffsetNode;
13 import Analysis.TaskStateAnalysis.FlagState;
14 import Analysis.TaskStateAnalysis.FlagComparator;
15 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
16 import Analysis.TaskStateAnalysis.Predicate;
17 import Analysis.TaskStateAnalysis.SafetyAnalysis;
18 import Analysis.TaskStateAnalysis.TaskIndex;
19 import Analysis.Locality.LocalityAnalysis;
20 import Analysis.Locality.LocalityBinding;
21 import Analysis.Locality.DiscoverConflicts;
22 import Analysis.Locality.DCWrapper;
23 import Analysis.Locality.DelayComputation;
24 import Analysis.Locality.BranchAnalysis;
25 import Analysis.CallGraph.CallGraph;
26 import Analysis.OoOJava.OoOJavaAnalysis;
27 import Analysis.Prefetch.*;
28 import Analysis.Loops.WriteBarrier;
29 import Analysis.Loops.GlobalFieldType;
30 import Analysis.Locality.TypeAnalysis;
31 import Analysis.MLP.ConflictGraph;
32 import Analysis.MLP.ConflictNode;
33 import Analysis.MLP.MLPAnalysis;
34 import Analysis.MLP.ParentChildConflictsMap;
35 import Analysis.MLP.SESELock;
36 import Analysis.MLP.SESEWaitingQueue;
37 import Analysis.MLP.VariableSourceToken;
38 import Analysis.MLP.VSTWrapper;
39 import Analysis.MLP.CodePlan;
40 import Analysis.MLP.SESEandAgePair;
41 import Analysis.MLP.WaitingElement;
43 public class BuildCode {
46 Hashtable paramstable;
51 String localsprefix="___locals___";
52 String localsprefixaddr="&"+localsprefix;
53 String localsprefixderef=localsprefix+".";
54 String fcrevert="___fcrevert___";
55 String paramsprefix="___params___";
56 String oidstr="___nextobject___";
57 String nextobjstr="___nextobject___";
58 String localcopystr="___localcopy___";
59 public static boolean GENERATEPRECISEGC=false;
60 public static String PREFIX="";
61 public static String arraytype="ArrayObject";
62 public static int flagcount = 0;
65 protected int maxtaskparams=0;
66 private int maxcount=0;
67 ClassDescriptor[] cdarray;
68 TypeDescriptor[] arraytable;
69 LocalityAnalysis locality;
70 Hashtable<LocalityBinding, TempDescriptor> reverttable;
71 Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>> backuptable;
76 String mlperrstr = "if(status != 0) { "+
77 "sprintf(errmsg, \"MLP error at %s:%d\", __FILE__, __LINE__); "+
78 "perror(errmsg); exit(-1); }";
79 boolean nonSESEpass=true;
82 DiscoverConflicts recorddc;
87 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
88 this(st, temptovar, typeutil, null, sa, pa, null, null);
91 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa, MLPAnalysis mlpa, OoOJavaAnalysis oooa) {
92 this(st, temptovar, typeutil, null, sa, pa, mlpa, oooa);
95 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa, MLPAnalysis mlpa, OoOJavaAnalysis oooa) {
96 this(st, temptovar, typeutil, locality, null, pa, mlpa, oooa);
99 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa, MLPAnalysis mlpa, OoOJavaAnalysis oooa) {
105 callgraph=new CallGraph(state);
107 oidstr="___objlocation___";
108 this.temptovar=temptovar;
109 paramstable=new Hashtable();
110 tempstable=new Hashtable();
111 fieldorder=new Hashtable();
112 flagorder=new Hashtable();
113 this.typeutil=typeutil;
114 virtualcalls=new Virtual(state,locality);
115 if (locality!=null) {
116 this.locality=locality;
117 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
118 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
119 this.wb=new WriteBarrier(locality, st);
121 if (state.SINGLETM&&state.DCOPTS) {
122 TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
123 GlobalFieldType gft=new GlobalFieldType(callgraph, st, typeutil.getMain());
124 this.dc=new DiscoverConflicts(locality, st, typeanalysis, gft);
127 if (state.DELAYCOMP) {
128 //TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
129 TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
130 GlobalFieldType gft=new GlobalFieldType(callgraph, st, typeutil.getMain());
131 delaycomp=new DCWrapper(locality, st, typeanalysis, gft);
132 dc=delaycomp.getConflicts();
133 recorddc=new DiscoverConflicts(locality, st, typeanalysis, delaycomp.getCannotDelayMap(), true, true, null);
134 recorddc.doAnalysis();
138 /** The buildCode method outputs C code for all the methods. The Flat
139 * versions of the methods must already be generated and stored in
140 * the State object. */
141 PrintWriter outsandbox=null;
143 public void buildCode() {
144 /* Create output streams to write to */
145 PrintWriter outclassdefs=null;
146 PrintWriter outstructs=null;
147 PrintWriter outrepairstructs=null;
148 PrintWriter outmethodheader=null;
149 PrintWriter outmethod=null;
150 PrintWriter outvirtual=null;
151 PrintWriter outtask=null;
152 PrintWriter outtaskdefs=null;
153 PrintWriter outoptionalarrays=null;
154 PrintWriter optionalheaders=null;
158 outsandbox=new PrintWriter(new FileOutputStream(PREFIX+"sandboxdefs.c"), true);
160 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
161 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
162 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
163 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
164 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
166 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
167 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
168 if (state.OPTIONAL) {
169 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
170 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
173 if (state.structfile!=null) {
174 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
176 } catch (Exception e) {
181 /* Build the virtual dispatch tables */
182 buildVirtualTables(outvirtual);
184 /* Output includes */
185 outmethodheader.println("#ifndef METHODHEADERS_H");
186 outmethodheader.println("#define METHODHEADERS_H");
187 outmethodheader.println("#include \"structdefs.h\"");
189 outmethodheader.println("#include \"dstm.h\"");
191 outmethodheader.println("#include \"sandbox.h\"");
193 if (state.EVENTMONITOR) {
194 outmethodheader.println("#include \"monitor.h\"");
196 if (state.SINGLETM) {
197 outmethodheader.println("#include \"tm.h\"");
198 outmethodheader.println("#include \"delaycomp.h\"");
199 outmethodheader.println("#include \"inlinestm.h\"");
201 if (state.ABORTREADERS) {
202 outmethodheader.println("#include \"abortreaders.h\"");
203 outmethodheader.println("#include <setjmp.h>");
205 if (state.MLP || state.OOOJAVA) {
206 outmethodheader.println("#include <stdlib.h>");
207 outmethodheader.println("#include <stdio.h>");
208 outmethodheader.println("#include <string.h>");
209 outmethodheader.println("#include \"mlp_runtime.h\"");
210 outmethodheader.println("#include \"psemaphore.h\"");
213 /* Output Structures */
214 outputStructs(outstructs);
216 // Output the C class declarations
217 // These could mutually reference each other
218 outputClassDeclarations(outclassdefs);
220 // Output function prototypes and structures for parameters
221 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
222 while(it.hasNext()) {
223 ClassDescriptor cn=(ClassDescriptor)it.next();
224 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
226 outclassdefs.close();
229 /* Map flags to integers */
230 /* The runtime keeps track of flags using these integers */
231 it=state.getClassSymbolTable().getDescriptorsIterator();
232 while(it.hasNext()) {
233 ClassDescriptor cn=(ClassDescriptor)it.next();
237 generateTaskStructs(outstructs, outmethodheader);
239 /* Outputs generic task structures if this is a task
241 outputTaskTypes(outtask);
244 if( state.MLP || state.OOOJAVA) {
245 // have to initialize some SESE compiler data before
246 // analyzing normal methods, which must happen before
247 // generating SESE internal code
249 Iterator<FlatSESEEnterNode> seseit;
251 seseit=mlpa.getAllSESEs().iterator();
253 seseit=oooa.getAllSESEs().iterator();
255 while(seseit.hasNext()){
256 FlatSESEEnterNode fsen = seseit.next();
257 initializeSESE( fsen );
262 /* Build the actual methods */
263 outputMethods(outmethod);
265 // Output function prototypes and structures for SESE's and code
266 if( state.MLP || state.OOOJAVA ) {
268 // used to differentiate, during code generation, whether we are
269 // passing over SESE body code, or non-SESE code
272 // first generate code for each sese's internals
273 Iterator<FlatSESEEnterNode> seseit;
275 seseit=mlpa.getAllSESEs().iterator();
277 seseit=oooa.getAllSESEs().iterator();
280 while(seseit.hasNext()) {
281 FlatSESEEnterNode fsen = seseit.next();
282 generateMethodSESE(fsen, null, outstructs, outmethodheader, outmethod);
285 // then write the invokeSESE switch to decouple scheduler
286 // from having to do unique details of sese invocation
287 generateSESEinvocationMethod(outmethodheader, outmethod);
291 /* Output code for tasks */
292 outputTaskCode(outtaskdefs, outmethod);
294 /* Record maximum number of task parameters */
295 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
296 } else if (state.main!=null) {
297 /* Generate main method */
298 outputMainMethod(outmethod);
301 /* Generate information for task with optional parameters */
302 if (state.TASK&&state.OPTIONAL) {
303 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
304 outoptionalarrays.close();
307 /* Output structure definitions for repair tool */
308 if (state.structfile!=null) {
309 buildRepairStructs(outrepairstructs);
310 outrepairstructs.close();
314 outmethodheader.println("#endif");
315 outmethodheader.close();
317 outstructs.println("#endif");
322 /* This code just generates the main C method for java programs.
323 * The main C method packs up the arguments into a string array
324 * and passes it to the java main method. */
326 private void outputMainMethod(PrintWriter outmethod) {
327 outmethod.println("int main(int argc, const char *argv[]) {");
328 outmethod.println(" int i;");
330 if (state.MLP || state.OOOJAVA) {
331 //outmethod.println(" pthread_once( &mlpOnceObj, mlpInitOncePerThread );");
332 outmethod.println(" workScheduleInit( "+state.MLP_NUMCORES+", invokeSESEmethod );");
336 if (state.DSMRECOVERYSTATS) {
337 outmethod.println("#ifdef RECOVERYSTATS \n");
338 outmethod.println("handle();\n");
339 outmethod.println("#endif\n");
341 outmethod.println("#if defined(TRANSSTATS) || defined(RECOVERYSTATS) \n");
342 outmethod.println("handle();\n");
343 outmethod.println("#endif\n");
347 if (state.THREAD||state.DSM||state.SINGLETM) {
348 outmethod.println("initializethreads();");
351 outmethod.println("if (dstmStartup(argv[1])) {");
352 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
353 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
355 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
358 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
359 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
361 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
365 outmethod.println(" for(i=2;i<argc;i++) {");
367 outmethod.println(" for(i=1;i<argc;i++) {");
368 outmethod.println(" int length=strlen(argv[i]);");
369 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
370 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
372 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
375 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
377 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
378 outmethod.println(" }");
380 MethodDescriptor md=typeutil.getMain();
381 ClassDescriptor cd=typeutil.getMainClass();
383 outmethod.println(" {");
384 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
385 if (state.DSM||state.SINGLETM) {
386 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
388 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
389 outmethod.println("1, NULL,"+"stringarray};");
390 if (state.DSM||state.SINGLETM)
391 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
393 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
395 if (state.DSM||state.SINGLETM)
396 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
398 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
400 outmethod.println(" }");
403 outmethod.println("}");
406 if (state.THREAD||state.DSM||state.SINGLETM) {
407 outmethod.println("pthread_mutex_lock(&gclistlock);");
408 outmethod.println("threadcount--;");
409 outmethod.println("pthread_cond_signal(&gccond);");
410 outmethod.println("pthread_mutex_unlock(&gclistlock);");
413 if (state.DSM||state.SINGLETM) {
414 //outmethod.println("#if defined(TRANSSTATS) || defined(RECOVERYSTATS) \n");
415 outmethod.println("#if defined(TRANSSTATS) \n");
416 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
417 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
418 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
419 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
421 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
422 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
423 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
424 outmethod.println("printf(\"ndirtyCacheObj= %d\\n\", ndirtyCacheObj);");
425 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
426 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
427 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
428 outmethod.println("printf(\"totalObjSize= %d\\n\", totalObjSize);");
429 outmethod.println("printf(\"sendRemoteReq= %d\\n\", sendRemoteReq);");
430 outmethod.println("printf(\"getResponse= %d\\n\", getResponse);");
431 } else if (state.SINGLETM) {
432 outmethod.println("printf(\"nSoftAbortAbort= %d\\n\", nSoftAbortAbort);");
433 outmethod.println("printf(\"nSoftAbortCommit= %d\\n\", nSoftAbortCommit);");
434 outmethod.println("#ifdef STMSTATS\n");
435 outmethod.println("for(i=0; i<TOTALNUMCLASSANDARRAY; i++) {\n");
436 outmethod.println(" printf(\"typesCausingAbort[%2d] numaccess= %5d numabort= %3d\\n\", i, typesCausingAbort[i].numaccess, typesCausingAbort[i].numabort);\n");
437 outmethod.println("}\n");
438 outmethod.println("#endif\n");
439 outmethod.println("fflush(stdout);");
441 outmethod.println("#endif\n");
444 if (state.EVENTMONITOR) {
445 outmethod.println("dumpdata();");
448 if (state.THREAD||state.SINGLETM)
449 outmethod.println("pthread_exit(NULL);");
451 if (state.MLP || state.OOOJAVA ) {
452 outmethod.println(" workScheduleBegin();");
455 outmethod.println("}");
458 /* This method outputs code for each task. */
460 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
461 /* Compile task based program */
462 outtaskdefs.println("#include \"task.h\"");
463 outtaskdefs.println("#include \"methodheaders.h\"");
464 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
465 while(taskit.hasNext()) {
466 TaskDescriptor td=(TaskDescriptor)taskit.next();
467 FlatMethod fm=state.getMethodFlat(td);
468 generateFlatMethod(fm, null, outmethod);
469 generateTaskDescriptor(outtaskdefs, fm, td);
472 //Output task descriptors
473 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
474 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
476 while(taskit.hasNext()) {
477 TaskDescriptor td=(TaskDescriptor)taskit.next();
481 outtaskdefs.println(",");
482 outtaskdefs.print("&task_"+td.getSafeSymbol());
484 outtaskdefs.println("};");
486 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
489 /* This method outputs most of the methods.c file. This includes
490 * some standard includes and then an array with the sizes of
491 * objets and array that stores supertype and then the code for
492 * the Java methods.. */
494 protected void outputMethods(PrintWriter outmethod) {
495 outmethod.println("#include \"methodheaders.h\"");
496 outmethod.println("#include \"virtualtable.h\"");
497 outmethod.println("#include \"runtime.h\"");
499 outmethod.println("#include \"sandboxdefs.c\"");
502 outmethod.println("#include \"addPrefetchEnhance.h\"");
503 outmethod.println("#include \"localobjects.h\"");
505 if (state.FASTCHECK) {
506 outmethod.println("#include \"localobjects.h\"");
508 if(state.MULTICORE) {
509 outmethod.println("#include \"task.h\"");
510 outmethod.println("#include \"multicoreruntime.h\"");
511 outmethod.println("#include \"runtime_arch.h\"");
513 if (state.THREAD||state.DSM||state.SINGLETM)
514 outmethod.println("#include <thread.h>");
515 if (state.main!=null) {
516 outmethod.println("#include <string.h>");
518 if (state.CONSCHECK) {
519 outmethod.println("#include \"checkers.h\"");
521 if (state.MLP || state.OOOJAVA ) {
522 outmethod.println("#include <stdlib.h>");
523 outmethod.println("#include <stdio.h>");
524 outmethod.println("#include \"mlp_runtime.h\"");
525 outmethod.println("#include \"psemaphore.h\"");
529 //Store the sizes of classes & array elements
530 generateSizeArray(outmethod);
532 //Store table of supertypes
533 generateSuperTypeTable(outmethod);
535 //Store the layout of classes
536 generateLayoutStructs(outmethod);
538 /* Generate code for methods */
539 if (state.DSM||state.SINGLETM) {
540 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
541 LocalityBinding lb=lbit.next();
542 MethodDescriptor md=lb.getMethod();
543 FlatMethod fm=state.getMethodFlat(md);
545 if (!md.getModifiers().isNative()) {
546 generateFlatMethod(fm, lb, outmethod);
547 //System.out.println("fm= " + fm + " md= " + md);
551 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
552 while(classit.hasNext()) {
553 ClassDescriptor cn=(ClassDescriptor)classit.next();
554 Iterator methodit=cn.getMethods();
555 while(methodit.hasNext()) {
556 /* Classify parameters */
557 MethodDescriptor md=(MethodDescriptor)methodit.next();
558 FlatMethod fm=state.getMethodFlat(md);
559 if (!md.getModifiers().isNative()) {
560 generateFlatMethod(fm, null, outmethod);
567 protected void outputStructs(PrintWriter outstructs) {
568 outstructs.println("#ifndef STRUCTDEFS_H");
569 outstructs.println("#define STRUCTDEFS_H");
570 outstructs.println("#include \"classdefs.h\"");
571 outstructs.println("#ifndef INTPTR");
572 outstructs.println("#ifdef BIT64");
573 outstructs.println("#define INTPTR long");
574 outstructs.println("#else");
575 outstructs.println("#define INTPTR int");
576 outstructs.println("#endif");
577 outstructs.println("#endif");
578 if( state.MLP || state.OOOJAVA ) {
579 outstructs.println("#include \"mlp_runtime.h\"");
580 outstructs.println("#include \"psemaphore.h\"");
583 /* Output #defines that the runtime uses to determine type
584 * numbers for various objects it needs */
585 outstructs.println("#define MAXCOUNT "+maxcount);
586 if (state.DSM||state.SINGLETM) {
587 LocalityBinding lbrun=new LocalityBinding(typeutil.getRun(), false);
589 lbrun.setGlobalThis(LocalityAnalysis.GLOBAL);
591 else if (state.SINGLETM) {
592 lbrun.setGlobalThis(LocalityAnalysis.NORMAL);
594 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lbrun));
598 LocalityBinding lbexecute = new LocalityBinding(typeutil.getExecute(), false);
600 lbexecute.setGlobalThis(LocalityAnalysis.GLOBAL);
601 else if( state.SINGLETM)
602 lbexecute.setGlobalThis(LocalityAnalysis.NORMAL);
603 outstructs.println("#define EXECUTEMETHOD " + virtualcalls.getLocalityNumber(lbexecute));
606 outstructs.println("#define STRINGARRAYTYPE "+
607 (state.getArrayNumber(
608 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
610 outstructs.println("#define OBJECTARRAYTYPE "+
611 (state.getArrayNumber(
612 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
615 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
616 outstructs.println("#define CHARARRAYTYPE "+
617 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
619 outstructs.println("#define BYTEARRAYTYPE "+
620 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
622 outstructs.println("#define BYTEARRAYARRAYTYPE "+
623 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
625 outstructs.println("#define NUMCLASSES "+state.numClasses());
626 int totalClassSize = state.numClasses() + state.numArrays();
627 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
629 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
630 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
631 outstructs.println("#define TAGARRAYTYPE "+
632 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
636 protected void outputClassDeclarations(PrintWriter outclassdefs) {
637 if (state.THREAD||state.DSM||state.SINGLETM)
638 outclassdefs.println("#include <pthread.h>");
639 outclassdefs.println("#ifndef INTPTR");
640 outclassdefs.println("#ifdef BIT64");
641 outclassdefs.println("#define INTPTR long");
642 outclassdefs.println("#else");
643 outclassdefs.println("#define INTPTR int");
644 outclassdefs.println("#endif");
645 outclassdefs.println("#endif");
647 outclassdefs.println("#include \"optionalstruct.h\"");
648 outclassdefs.println("struct "+arraytype+";");
649 /* Start by declaring all structs */
650 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
651 while(it.hasNext()) {
652 ClassDescriptor cn=(ClassDescriptor)it.next();
653 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
655 outclassdefs.println("");
656 //Print out definition for array type
657 outclassdefs.println("struct "+arraytype+" {");
658 outclassdefs.println(" int type;");
659 if(state.MLP || state.OOOJAVA ){
660 outclassdefs.println(" int oid;");
662 if (state.EVENTMONITOR) {
663 outclassdefs.println(" int objuid;");
666 outclassdefs.println(" pthread_t tid;");
667 outclassdefs.println(" void * lockentry;");
668 outclassdefs.println(" int lockcount;");
671 outclassdefs.println(" int flag;");
672 if(!state.MULTICORE) {
673 outclassdefs.println(" void * flagptr;");
675 outclassdefs.println(" int version;");
676 outclassdefs.println(" int * lock;"); // lock entry for this obj
677 outclassdefs.println(" int mutex;");
678 outclassdefs.println(" int lockcount;");
679 if(state.MULTICOREGC) {
680 outclassdefs.println(" int marked;");
684 outclassdefs.println(" int numfses;");
685 outclassdefs.println(" int * fses;");
688 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
690 if (state.STMARRAY) {
691 outclassdefs.println(" int lowindex;");
692 outclassdefs.println(" int highindex;");
695 outclassdefs.println(" int paddingforarray;");
696 if (state.DUALVIEW) {
697 outclassdefs.println(" int arrayversion;");
700 outclassdefs.println(" int ___length___;");
701 outclassdefs.println("};\n");
702 outclassdefs.println("extern int classsize[];");
703 outclassdefs.println("extern int hasflags[];");
704 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
705 outclassdefs.println("extern int supertypes[];");
708 /** Prints out definitions for generic task structures */
710 private void outputTaskTypes(PrintWriter outtask) {
711 outtask.println("#ifndef _TASK_H");
712 outtask.println("#define _TASK_H");
713 outtask.println("struct parameterdescriptor {");
714 outtask.println("int type;");
715 outtask.println("int numberterms;");
716 outtask.println("int *intarray;");
717 outtask.println("void * queue;");
718 outtask.println("int numbertags;");
719 outtask.println("int *tagarray;");
720 outtask.println("};");
722 outtask.println("struct taskdescriptor {");
723 outtask.println("void * taskptr;");
724 outtask.println("int numParameters;");
725 outtask.println(" int numTotal;");
726 outtask.println("struct parameterdescriptor **descriptorarray;");
727 outtask.println("char * name;");
728 outtask.println("};");
729 outtask.println("extern struct taskdescriptor * taskarray[];");
730 outtask.println("extern numtasks;");
731 outtask.println("#endif");
735 private void buildRepairStructs(PrintWriter outrepairstructs) {
736 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
737 while(classit.hasNext()) {
738 ClassDescriptor cn=(ClassDescriptor)classit.next();
739 outrepairstructs.println("structure "+cn.getSymbol()+" {");
740 outrepairstructs.println(" int __type__;");
742 outrepairstructs.println(" int __flag__;");
743 if(!state.MULTICORE) {
744 outrepairstructs.println(" int __flagptr__;");
747 printRepairStruct(cn, outrepairstructs);
748 outrepairstructs.println("}\n");
751 for(int i=0; i<state.numArrays(); i++) {
752 TypeDescriptor tdarray=arraytable[i];
753 TypeDescriptor tdelement=tdarray.dereference();
754 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
755 outrepairstructs.println(" int __type__;");
756 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
757 outrepairstructs.println(" int length;");
759 // Need to add support to repair tool for this
760 if (tdelement.isClass()||tdelement.isArray())
761 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
763 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
765 outrepairstructs.println("}\n");
769 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
770 ClassDescriptor sp=cn.getSuperDesc();
772 printRepairStruct(sp, output);
774 Vector fields=(Vector)fieldorder.get(cn);
776 for(int i=0; i<fields.size(); i++) {
777 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
778 if (fd.getType().isArray()) {
779 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
780 } else if (fd.getType().isClass())
781 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
782 else if (fd.getType().isFloat())
783 output.println(" int "+fd.getSymbol()+"; /* really float */");
785 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
789 /** This method outputs TaskDescriptor information */
790 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
791 for (int i=0; i<task.numParameters(); i++) {
792 VarDescriptor param_var=task.getParameter(i);
793 TypeDescriptor param_type=task.getParamType(i);
794 FlagExpressionNode param_flag=task.getFlag(param_var);
795 TagExpressionList param_tag=task.getTag(param_var);
798 if (param_flag==null) {
799 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
800 output.println("0x0, 0x0 };");
803 DNFFlag dflag=param_flag.getDNF();
804 dnfterms=dflag.size();
806 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
807 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
808 for(int j=0; j<dflag.size(); j++) {
811 Vector term=dflag.get(j);
814 for(int k=0; k<term.size(); k++) {
815 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
816 FlagDescriptor fd=dfa.getFlag();
817 boolean negated=dfa.getNegated();
818 int flagid=1<<((Integer)flags.get(fd)).intValue();
823 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
825 output.println("};");
828 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
829 //BUG...added next line to fix, test with any task program
831 for(int j=0; j<param_tag.numTags(); j++) {
834 /* for each tag we need */
835 /* which slot it is */
836 /* what type it is */
837 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
838 TempDescriptor tmp=param_tag.getTemp(j);
839 int slot=fm.getTagInt(tmp);
840 output.println(slot+", "+state.getTagId(tvd.getTag()));
842 output.println("};");
844 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
845 output.println("/* type */"+param_type.getClassDesc().getId()+",");
846 output.println("/* number of DNF terms */"+dnfterms+",");
847 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
848 output.println("0,");
849 //BUG, added next line to fix and else statement...test
850 //with any task program
852 output.println("/* number of tags */"+param_tag.numTags()+",");
854 output.println("/* number of tags */ 0,");
855 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
856 output.println("};");
860 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
861 for (int i=0; i<task.numParameters(); i++) {
864 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
866 output.println("};");
868 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
869 output.println("&"+task.getSafeSymbol()+",");
870 output.println("/* number of parameters */" +task.numParameters() + ",");
871 int numtotal=task.numParameters()+fm.numTags();
872 output.println("/* number total parameters */" +numtotal + ",");
873 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
874 output.println("\""+task.getSymbol()+"\"");
875 output.println("};");
879 /** The buildVirtualTables method outputs the virtual dispatch
880 * tables for methods. */
882 protected void buildVirtualTables(PrintWriter outvirtual) {
883 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
884 while(classit.hasNext()) {
885 ClassDescriptor cd=(ClassDescriptor)classit.next();
886 if (virtualcalls.getMethodCount(cd)>maxcount)
887 maxcount=virtualcalls.getMethodCount(cd);
889 MethodDescriptor[][] virtualtable=null;
890 LocalityBinding[][] lbvirtualtable=null;
891 if (state.DSM||state.SINGLETM)
892 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
894 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
896 /* Fill in virtual table */
897 classit=state.getClassSymbolTable().getDescriptorsIterator();
898 while(classit.hasNext()) {
899 ClassDescriptor cd=(ClassDescriptor)classit.next();
900 if (state.DSM||state.SINGLETM)
901 fillinRow(cd, lbvirtualtable, cd.getId());
903 fillinRow(cd, virtualtable, cd.getId());
906 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
907 Iterator arrayit=state.getArrayIterator();
908 while(arrayit.hasNext()) {
909 TypeDescriptor td=(TypeDescriptor)arrayit.next();
910 int id=state.getArrayNumber(td);
911 if (state.DSM||state.SINGLETM)
912 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
914 fillinRow(objectcd, virtualtable, id+state.numClasses());
917 outvirtual.print("void * virtualtable[]={");
918 boolean needcomma=false;
919 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
920 for(int j=0; j<maxcount; j++) {
922 outvirtual.print(", ");
923 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
924 LocalityBinding lb=lbvirtualtable[i][j];
925 MethodDescriptor md=lb.getMethod();
926 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
927 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
928 MethodDescriptor md=virtualtable[i][j];
929 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
931 outvirtual.print("0");
935 outvirtual.println("");
937 outvirtual.println("};");
941 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
942 /* Get inherited methods */
943 if (cd.getSuperDesc()!=null)
944 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
945 /* Override them with our methods */
946 for(Iterator it=cd.getMethods(); it.hasNext();) {
947 MethodDescriptor md=(MethodDescriptor)it.next();
948 if (md.isStatic()||md.getReturnType()==null)
950 int methodnum=virtualcalls.getMethodNumber(md);
951 virtualtable[rownum][methodnum]=md;
955 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
956 /* Get inherited methods */
957 if (cd.getSuperDesc()!=null)
958 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
959 /* Override them with our methods */
960 if (locality.getClassBindings(cd)!=null)
961 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
962 LocalityBinding lb=lbit.next();
963 MethodDescriptor md=lb.getMethod();
964 //Is the method static or a constructor
965 if (md.isStatic()||md.getReturnType()==null)
967 int methodnum=virtualcalls.getLocalityNumber(lb);
968 virtualtable[rownum][methodnum]=lb;
972 /** Generate array that contains the sizes of class objects. The
973 * object allocation functions in the runtime use this
976 private void generateSizeArray(PrintWriter outclassdefs) {
977 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
978 outclassdefs.print("#ifdef TRANSSTATS \n");
979 outclassdefs.print("extern int numTransAbort;\n");
980 outclassdefs.print("extern int numTransCommit;\n");
981 outclassdefs.print("extern int nSoftAbort;\n");
983 outclassdefs.print("extern int nchashSearch;\n");
984 outclassdefs.print("extern int nmhashSearch;\n");
985 outclassdefs.print("extern int nprehashSearch;\n");
986 outclassdefs.print("extern int ndirtyCacheObj;\n");
987 outclassdefs.print("extern int nRemoteSend;\n");
988 outclassdefs.print("extern int sendRemoteReq;\n");
989 outclassdefs.print("extern int getResponse;\n");
990 outclassdefs.print("extern int bytesSent;\n");
991 outclassdefs.print("extern int bytesRecv;\n");
992 outclassdefs.print("extern int totalObjSize;\n");
993 outclassdefs.print("extern void handle();\n");
994 } else if (state.SINGLETM) {
995 outclassdefs.println("extern int nSoftAbortAbort;");
996 outclassdefs.println("extern int nSoftAbortCommit;");
997 outclassdefs.println("#ifdef STMSTATS\n");
998 outclassdefs.println("extern objtypestat_t typesCausingAbort[];");
999 outclassdefs.println("#endif\n");
1001 outclassdefs.print("#endif\n");
1003 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
1004 if(this.state.MLP || state.OOOJAVA ){
1005 outclassdefs.print("extern __thread int oid;\n");
1006 outclassdefs.print("extern int numWorkers;\n");
1009 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1010 cdarray=new ClassDescriptor[state.numClasses()];
1012 while(it.hasNext()) {
1013 ClassDescriptor cd=(ClassDescriptor)it.next();
1014 cdarray[cd.getId()]=cd;
1017 arraytable=new TypeDescriptor[state.numArrays()];
1019 Iterator arrayit=state.getArrayIterator();
1020 while(arrayit.hasNext()) {
1021 TypeDescriptor td=(TypeDescriptor)arrayit.next();
1022 int id=state.getArrayNumber(td);
1028 /* Print out types */
1029 outclassdefs.println("/* ");
1030 for(int i=0; i<state.numClasses(); i++) {
1031 ClassDescriptor cd=cdarray[i];
1033 outclassdefs.println("NULL " + i);
1035 outclassdefs.println(cd +" "+i);
1039 for(int i=0; i<state.numArrays(); i++) {
1040 TypeDescriptor arraytd=arraytable[i];
1041 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
1044 outclassdefs.println("*/");
1047 outclassdefs.print("int classsize[]={");
1049 boolean needcomma=false;
1050 for(int i=0; i<state.numClasses(); i++) {
1052 outclassdefs.print(", ");
1054 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
1056 outclassdefs.print("0");
1062 for(int i=0; i<state.numArrays(); i++) {
1064 outclassdefs.print(", ");
1065 TypeDescriptor tdelement=arraytable[i].dereference();
1066 if (tdelement.isArray()||tdelement.isClass())
1067 outclassdefs.print("sizeof(void *)");
1069 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
1073 outclassdefs.println("};");
1075 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1077 outclassdefs.print("int typearray[]={");
1078 for(int i=0; i<state.numClasses(); i++) {
1079 ClassDescriptor cd=cdarray[i];
1080 ClassDescriptor supercd=i>0?cd.getSuperDesc():null;
1082 outclassdefs.print(", ");
1084 outclassdefs.print("-1");
1086 outclassdefs.print(supercd.getId());
1090 for(int i=0; i<state.numArrays(); i++) {
1091 TypeDescriptor arraytd=arraytable[i];
1092 ClassDescriptor arraycd=arraytd.getClassDesc();
1093 if (arraycd==null) {
1095 outclassdefs.print(", ");
1096 outclassdefs.print(objectclass.getId());
1100 ClassDescriptor cd=arraycd.getSuperDesc();
1103 TypeDescriptor supertd=new TypeDescriptor(cd);
1104 supertd.setArrayCount(arraytd.getArrayCount());
1105 type=state.getArrayNumber(supertd);
1107 type+=state.numClasses();
1110 cd=cd.getSuperDesc();
1113 outclassdefs.print(", ");
1114 outclassdefs.print(type);
1118 outclassdefs.println("};");
1123 outclassdefs.print("int typearray2[]={");
1124 for(int i=0; i<state.numArrays(); i++) {
1125 TypeDescriptor arraytd=arraytable[i];
1126 ClassDescriptor arraycd=arraytd.getClassDesc();
1127 if (arraycd==null) {
1129 outclassdefs.print(", ");
1130 outclassdefs.print("-1");
1134 ClassDescriptor cd=arraycd.getSuperDesc();
1135 int level=arraytd.getArrayCount()-1;
1137 for(; level>0; level--) {
1138 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1139 supertd.setArrayCount(level);
1140 type=state.getArrayNumber(supertd);
1142 type+=state.numClasses();
1147 outclassdefs.print(", ");
1148 outclassdefs.print(type);
1152 outclassdefs.println("};");
1155 /** Constructs params and temp objects for each method or task.
1156 * These objects tell the compiler which temps need to be
1159 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
1160 MethodDescriptor md=fm.getMethod();
1161 TaskDescriptor task=fm.getTask();
1162 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
1163 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
1165 paramstable.put(lb, objectparams);
1166 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
1167 } else if (md!=null)
1168 paramstable.put(md, objectparams);
1170 paramstable.put(task, objectparams);
1172 for(int i=0; i<fm.numParameters(); i++) {
1173 TempDescriptor temp=fm.getParameter(i);
1174 TypeDescriptor type=temp.getType();
1175 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1176 objectparams.addPtr(temp);
1178 objectparams.addPrim(temp);
1179 if(lb!=null&&saveset.contains(temp)) {
1180 backuptable.get(lb).put(temp, temp.createNew());
1184 for(int i=0; i<fm.numTags(); i++) {
1185 TempDescriptor temp=fm.getTag(i);
1186 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1187 objectparams.addPtr(temp);
1189 objectparams.addPrim(temp);
1192 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1194 tempstable.put(lb, objecttemps);
1196 tempstable.put(md, objecttemps);
1198 tempstable.put(task, objecttemps);
1200 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
1201 FlatNode fn=(FlatNode)nodeit.next();
1202 TempDescriptor[] writes=fn.writesTemps();
1203 for(int i=0; i<writes.length; i++) {
1204 TempDescriptor temp=writes[i];
1205 TypeDescriptor type=temp.getType();
1206 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1207 objecttemps.addPtr(temp);
1209 objecttemps.addPrim(temp);
1210 if(lb!=null&&saveset.contains(temp)&&
1211 !backuptable.get(lb).containsKey(temp))
1212 backuptable.get(lb).put(temp, temp.createNew());
1216 /* Create backup temps */
1218 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
1219 TempDescriptor tmp=tmpit.next();
1220 TypeDescriptor type=tmp.getType();
1221 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1222 objecttemps.addPtr(tmp);
1224 objecttemps.addPrim(tmp);
1226 /* Create temp to hold revert table */
1227 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
1228 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
1229 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1230 objecttemps.addPtr(reverttmp);
1232 objecttemps.addPrim(reverttmp);
1233 reverttable.put(lb, reverttmp);
1238 /** This method outputs the following information about classes
1240 * (1) For classes, what are the locations of pointers.
1241 * (2) For arrays, does the array contain pointers or primitives.
1242 * (3) For classes, does the class contain flags.
1245 private void generateLayoutStructs(PrintWriter output) {
1246 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1247 while(it.hasNext()) {
1248 ClassDescriptor cn=(ClassDescriptor)it.next();
1249 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1250 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1252 while(allit.hasNext()) {
1253 FieldDescriptor fd=(FieldDescriptor)allit.next();
1254 TypeDescriptor type=fd.getType();
1255 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1260 output.print(count);
1261 allit=cn.getFieldTable().getAllDescriptorsIterator();
1262 while(allit.hasNext()) {
1263 FieldDescriptor fd=(FieldDescriptor)allit.next();
1264 TypeDescriptor type=fd.getType();
1265 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1268 output.println(",");
1269 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
1272 output.println("};");
1274 output.println("unsigned INTPTR * pointerarray[]={");
1275 boolean needcomma=false;
1276 for(int i=0; i<state.numClasses(); i++) {
1277 ClassDescriptor cn=cdarray[i];
1279 output.println(",");
1282 output.print(cn.getSafeSymbol()+"_pointers");
1284 output.print("NULL");
1288 for(int i=0; i<state.numArrays(); i++) {
1290 output.println(", ");
1291 TypeDescriptor tdelement=arraytable[i].dereference();
1292 if (tdelement.isArray()||tdelement.isClass())
1293 output.print("((unsigned INTPTR *)1)");
1299 output.println("};");
1301 output.println("int hasflags[]={");
1302 for(int i=0; i<state.numClasses(); i++) {
1303 ClassDescriptor cn=cdarray[i];
1305 output.println(", ");
1307 if ((cn != null) && (cn.hasFlags()))
1312 output.println("};");
1315 /** Print out table to give us supertypes */
1316 private void generateSuperTypeTable(PrintWriter output) {
1317 output.println("int supertypes[]={");
1318 boolean needcomma=false;
1319 for(int i=0; i<state.numClasses(); i++) {
1320 ClassDescriptor cn=cdarray[i];
1322 output.println(",");
1324 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1325 ClassDescriptor cdsuper=cn.getSuperDesc();
1326 output.print(cdsuper.getId());
1330 output.println("};");
1333 /** Force consistent field ordering between inherited classes. */
1335 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
1337 ClassDescriptor sp=cn.getSuperDesc();
1339 printClassStruct(sp, classdefout);
1341 if (!fieldorder.containsKey(cn)) {
1342 Vector fields=new Vector();
1343 fieldorder.put(cn,fields);
1344 Vector fieldvec=cn.getFieldVec();
1345 for(int i=0;i<fieldvec.size();i++) {
1346 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1347 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol())))
1351 Vector fields=(Vector)fieldorder.get(cn);
1353 for(int i=0; i<fields.size(); i++) {
1354 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1355 if (fd.getType().isClass()||fd.getType().isArray())
1356 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1358 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1363 /* Map flags to integers consistently between inherited
1366 protected void mapFlags(ClassDescriptor cn) {
1367 ClassDescriptor sp=cn.getSuperDesc();
1371 if (!flagorder.containsKey(cn)) {
1372 Hashtable flags=new Hashtable();
1373 flagorder.put(cn,flags);
1375 Hashtable superflags=(Hashtable)flagorder.get(sp);
1376 Iterator superflagit=superflags.keySet().iterator();
1377 while(superflagit.hasNext()) {
1378 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1379 Integer number=(Integer)superflags.get(fd);
1380 flags.put(fd, number);
1381 if ((number.intValue()+1)>max)
1382 max=number.intValue()+1;
1386 Iterator flagit=cn.getFlags();
1387 while(flagit.hasNext()) {
1388 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1389 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1390 flags.put(fd, new Integer(max++));
1396 /** This function outputs (1) structures that parameters are
1397 * passed in (when PRECISE GC is enabled) and (2) function
1398 * prototypes for the methods */
1400 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1401 /* Output class structure */
1402 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1403 classdefout.println(" int type;");
1404 if(state.MLP || state.OOOJAVA){
1405 classdefout.println(" int oid;");
1407 if (state.EVENTMONITOR) {
1408 classdefout.println(" int objuid;");
1411 classdefout.println(" pthread_t tid;");
1412 classdefout.println(" void * lockentry;");
1413 classdefout.println(" int lockcount;");
1417 classdefout.println(" int flag;");
1418 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1419 classdefout.println(" void * flagptr;");
1420 } else if (state.MULTICORE) {
1421 classdefout.println(" int version;");
1422 classdefout.println(" int * lock;"); // lock entry for this obj
1423 classdefout.println(" int mutex;");
1424 classdefout.println(" int lockcount;");
1425 if(state.MULTICOREGC) {
1426 classdefout.println(" int marked;");
1429 if (state.OPTIONAL) {
1430 classdefout.println(" int numfses;");
1431 classdefout.println(" int * fses;");
1434 printClassStruct(cn, classdefout);
1435 classdefout.println("};\n");
1437 if (state.DSM||state.SINGLETM) {
1438 /* Cycle through LocalityBindings */
1439 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1440 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1442 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1443 LocalityBinding lb=lbit.next();
1444 MethodDescriptor md=lb.getMethod();
1445 if (md.getModifiers().isNative()) {
1446 //make sure we only print a native method once
1447 if (nativemethods.contains(md)) {
1448 FlatMethod fm=state.getMethodFlat(md);
1449 generateTempStructs(fm, lb);
1452 nativemethods.add(md);
1454 generateMethod(cn, md, lb, headersout, output);
1457 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1458 MethodDescriptor md=(MethodDescriptor)methodit.next();
1459 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1460 //Need to build param structure for library code
1461 FlatMethod fm=state.getMethodFlat(md);
1462 generateTempStructs(fm, null);
1463 generateMethodParam(cn, md, null, output);
1468 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1469 MethodDescriptor md=(MethodDescriptor)methodit.next();
1470 generateMethod(cn, md, null, headersout, output);
1474 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1475 /* Output parameter structure */
1476 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1477 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1478 if ((state.DSM||state.SINGLETM)&&lb!=null)
1479 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1481 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1482 output.println(" int size;");
1483 output.println(" void * next;");
1484 for(int i=0; i<objectparams.numPointers(); i++) {
1485 TempDescriptor temp=objectparams.getPointer(i);
1486 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1488 output.println("};\n");
1492 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1493 FlatMethod fm=state.getMethodFlat(md);
1494 generateTempStructs(fm, lb);
1496 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1497 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1499 generateMethodParam(cn, md, lb, output);
1501 /* Output temp structure */
1502 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1503 if (state.DSM||state.SINGLETM)
1504 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1506 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1507 output.println(" int size;");
1508 output.println(" void * next;");
1509 for(int i=0; i<objecttemps.numPointers(); i++) {
1510 TempDescriptor temp=objecttemps.getPointer(i);
1511 if (temp.getType().isNull())
1512 output.println(" void * "+temp.getSafeSymbol()+";");
1514 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1516 output.println("};\n");
1519 /********* Output method declaration ***********/
1520 if (state.DSM||state.SINGLETM) {
1521 headersout.println("#define D"+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1523 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1525 /* First the return type */
1526 if (md.getReturnType()!=null) {
1527 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1528 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1530 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1532 //catch the constructor case
1533 headersout.print("void ");
1535 /* Next the method name */
1536 if (state.DSM||state.SINGLETM) {
1537 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1539 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1541 boolean printcomma=false;
1542 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1543 if (state.DSM||state.SINGLETM) {
1544 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1546 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1550 /* Output parameter list*/
1551 for(int i=0; i<objectparams.numPrimitives(); i++) {
1552 TempDescriptor temp=objectparams.getPrimitive(i);
1554 headersout.print(", ");
1556 if (temp.getType().isClass()||temp.getType().isArray())
1557 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1559 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1561 headersout.println(");\n");
1565 /** This function outputs (1) structures that parameters are
1566 * passed in (when PRECISE GC is enabled) and (2) function
1567 * prototypes for the tasks */
1569 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1570 /* Cycle through tasks */
1571 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1573 while(taskit.hasNext()) {
1574 /* Classify parameters */
1575 TaskDescriptor task=(TaskDescriptor)taskit.next();
1576 FlatMethod fm=state.getMethodFlat(task);
1577 generateTempStructs(fm, null);
1579 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1580 TempObject objecttemps=(TempObject) tempstable.get(task);
1582 /* Output parameter structure */
1583 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1584 output.println("struct "+task.getSafeSymbol()+"_params {");
1585 output.println(" int size;");
1586 output.println(" void * next;");
1587 for(int i=0; i<objectparams.numPointers(); i++) {
1588 TempDescriptor temp=objectparams.getPointer(i);
1589 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1592 output.println("};\n");
1593 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1594 maxtaskparams=objectparams.numPointers()+fm.numTags();
1598 /* Output temp structure */
1599 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1600 output.println("struct "+task.getSafeSymbol()+"_locals {");
1601 output.println(" int size;");
1602 output.println(" void * next;");
1603 for(int i=0; i<objecttemps.numPointers(); i++) {
1604 TempDescriptor temp=objecttemps.getPointer(i);
1605 if (temp.getType().isNull())
1606 output.println(" void * "+temp.getSafeSymbol()+";");
1607 else if(temp.getType().isTag())
1608 output.println(" struct "+
1609 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1611 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1613 output.println("};\n");
1616 /* Output task declaration */
1617 headersout.print("void " + task.getSafeSymbol()+"(");
1619 boolean printcomma=false;
1620 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1621 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1623 headersout.print("void * parameterarray[]");
1624 headersout.println(");\n");
1628 /***** Generate code for FlatMethod fm. *****/
1630 Hashtable<FlatAtomicEnterNode, AtomicRecord> atomicmethodmap;
1631 static int atomicmethodcount=0;
1634 BranchAnalysis branchanalysis;
1635 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1636 if (State.PRINTFLAT)
1637 System.out.println(fm.printMethod());
1638 MethodDescriptor md=fm.getMethod();
1639 TaskDescriptor task=fm.getTask();
1640 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1641 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1643 HashSet<AtomicRecord> arset=null;
1644 branchanalysis=null;
1646 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
1648 if (atomicmethodmap==null)
1649 atomicmethodmap=new Hashtable<FlatAtomicEnterNode, AtomicRecord>();
1651 //fix these so we get right strings for local variables
1652 localsprefixaddr=localsprefix;
1653 localsprefixderef=localsprefix+"->";
1654 arset=new HashSet<AtomicRecord>();
1656 //build branchanalysis
1657 branchanalysis=new BranchAnalysis(locality, lb, delaycomp.getNotReady(lb), delaycomp.livecode(lb), state);
1659 //Generate commit methods here
1660 for(Iterator<FlatNode> fnit=fm.getNodeSet().iterator();fnit.hasNext();) {
1661 FlatNode fn=fnit.next();
1662 if (fn.kind()==FKind.FlatAtomicEnterNode&&
1663 locality.getAtomic(lb).get(fn.getPrev(0)).intValue()==0&&
1664 delaycomp.needsFission(lb, (FlatAtomicEnterNode) fn)) {
1665 //We have an atomic enter
1666 FlatAtomicEnterNode faen=(FlatAtomicEnterNode) fn;
1667 Set<FlatNode> exitset=faen.getExits();
1669 String methodname=md.getSymbol()+(atomicmethodcount++);
1670 AtomicRecord ar=new AtomicRecord();
1674 atomicmethodmap.put(faen, ar);
1676 //build data structure declaration
1677 output.println("struct atomicprimitives_"+methodname+" {");
1679 Set<FlatNode> recordset=delaycomp.livecode(lb);
1680 Set<TempDescriptor> liveinto=delaycomp.liveinto(lb, faen, recordset);
1681 Set<TempDescriptor> liveout=delaycomp.liveout(lb, faen);
1682 Set<TempDescriptor> liveoutvirtualread=delaycomp.liveoutvirtualread(lb, faen);
1684 ar.reallivein=new HashSet(liveinto);
1686 ar.liveoutvirtualread=liveoutvirtualread;
1689 for(Iterator<TempDescriptor> it=liveinto.iterator(); it.hasNext();) {
1690 TempDescriptor tmp=it.next();
1691 //remove the pointers
1692 if (tmp.getType().isPtr()) {
1695 //let's print it here
1696 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
1699 for(Iterator<TempDescriptor> it=liveout.iterator(); it.hasNext();) {
1700 TempDescriptor tmp=it.next();
1701 //remove the pointers
1702 if (tmp.getType().isPtr()) {
1704 } else if (!liveinto.contains(tmp)) {
1705 //let's print it here
1706 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
1709 output.println("};");
1711 //print out method name
1712 output.println("void "+methodname+"(struct "+ cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix+", struct "+ cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals *"+localsprefix+", struct atomicprimitives_"+methodname+" * primitives) {");
1713 //build code for commit method
1715 //first define local primitives
1716 Set<TempDescriptor> alltemps=delaycomp.alltemps(lb, faen, recordset);
1717 for(Iterator<TempDescriptor> tmpit=alltemps.iterator();tmpit.hasNext();) {
1718 TempDescriptor tmp=tmpit.next();
1719 if (!tmp.getType().isPtr()) {
1720 if (liveinto.contains(tmp)||liveoutvirtualread.contains(tmp)) {
1721 //read from live into set
1722 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+"=primitives->"+tmp.getSafeSymbol()+";");
1725 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
1729 //turn off write barrier generation
1731 state.SINGLETM=false;
1732 generateCode(faen, fm, lb, exitset, output, false);
1733 state.SINGLETM=true;
1734 //turn on write barrier generation
1736 output.println("}\n\n");
1740 //redefine these back to normal
1742 localsprefixaddr="&"+localsprefix;
1743 localsprefixderef=localsprefix+".";
1745 generateHeader(fm, lb, md!=null ? md : task,output);
1746 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1748 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
1749 for(Iterator<AtomicRecord> arit=arset.iterator();arit.hasNext();) {
1750 AtomicRecord ar=arit.next();
1751 output.println("struct atomicprimitives_"+ar.name+" primitives_"+ar.name+";");
1755 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1756 if (md!=null&&(state.DSM||state.SINGLETM))
1757 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1758 else if (md!=null&&!(state.DSM||state.SINGLETM))
1759 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1761 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1762 output.print(objecttemp.numPointers()+",");
1763 output.print(paramsprefix);
1764 for(int j=0; j<objecttemp.numPointers(); j++)
1765 output.print(", NULL");
1766 output.println("};");
1769 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1770 TempDescriptor td=objecttemp.getPrimitive(i);
1771 TypeDescriptor type=td.getType();
1773 output.println(" void * "+td.getSafeSymbol()+";");
1774 else if (type.isClass()||type.isArray())
1775 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1777 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1781 if( state.MLP || state.OOOJAVA ) {
1782 if( fm.getNext(0) instanceof FlatSESEEnterNode ) {
1783 FlatSESEEnterNode callerSESEplaceholder = (FlatSESEEnterNode) fm.getNext( 0 );
1784 if( (state.MLP && callerSESEplaceholder != mlpa.getMainSESE()) ||
1785 (state.OOOJAVA && callerSESEplaceholder != oooa.getMainSESE())
1787 // declare variables for naming static SESE's
1788 output.println(" /* static SESE names */");
1789 Iterator<SESEandAgePair> pItr = callerSESEplaceholder.getNeededStaticNames().iterator();
1790 while( pItr.hasNext() ) {
1791 SESEandAgePair pair = pItr.next();
1792 output.println(" void* "+pair+";");
1795 // declare variables for tracking dynamic sources
1796 output.println(" /* dynamic variable sources */");
1797 Iterator<TempDescriptor> dynSrcItr = callerSESEplaceholder.getDynamicVarSet().iterator();
1798 while( dynSrcItr.hasNext() ) {
1799 TempDescriptor dynSrcVar = dynSrcItr.next();
1800 output.println(" void* "+dynSrcVar+"_srcSESE;");
1801 output.println(" int "+dynSrcVar+"_srcOffset;");
1806 // set up related allocation sites's waiting queues
1809 ConflictGraph graph = null;
1810 graph = mlpa.getConflictGraphResults().get(fm);
1811 if (graph != null && graph.hasConflictEdge()) {
1812 output.println(" /* set up waiting queues */");
1813 output.println(" int numMemoryQueue=0;");
1814 output.println(" int memoryQueueItemID=0;");
1815 HashSet<SESELock> lockSet = mlpa.getConflictGraphLockMap().get(
1817 System.out.println("#lockSet="+lockSet.hashCode());
1818 System.out.println("lockset="+lockSet);
1819 for (Iterator iterator = lockSet.iterator(); iterator.hasNext();) {
1820 SESELock seseLock = (SESELock) iterator.next();
1821 System.out.println("id="+seseLock.getID());
1822 System.out.println("#="+seseLock);
1824 System.out.println("size="+lockSet.size());
1825 if (lockSet.size() > 0) {
1826 output.println(" numMemoryQueue=" + lockSet.size() + ";");
1828 .println(" seseCaller->numMemoryQueue=numMemoryQueue;");
1830 .println(" seseCaller->memoryQueueArray=mlpCreateMemoryQueueArray(numMemoryQueue);");
1835 FlatSESEEnterNode callerSESEplaceholder = (FlatSESEEnterNode) fm.getNext( 0 );
1836 if(callerSESEplaceholder!= oooa.getMainSESE()){
1837 Analysis.OoOJava.ConflictGraph graph = oooa.getConflictGraph(callerSESEplaceholder);
1838 if (graph != null && graph.hasConflictEdge()) {
1839 output.println(" // set up waiting queues ");
1840 output.println(" int numMemoryQueue=0;");
1841 output.println(" int memoryQueueItemID=0;");
1842 Set<Analysis.OoOJava.SESELock> lockSet = oooa.getLockMappings(graph);
1843 System.out.println("#lockSet="+lockSet.hashCode());
1844 System.out.println("lockset="+lockSet);
1845 for (Iterator iterator = lockSet.iterator(); iterator.hasNext();) {
1846 Analysis.OoOJava.SESELock seseLock = (Analysis.OoOJava.SESELock) iterator.next();
1847 System.out.println("id="+seseLock.getID());
1848 System.out.println("#="+seseLock);
1850 System.out.println("size="+lockSet.size());
1851 if (lockSet.size() > 0) {
1852 output.println(" numMemoryQueue=" + lockSet.size() + ";");
1854 .println(" seseCaller->numMemoryQueue=numMemoryQueue;");
1856 .println(" seseCaller->memoryQueueArray=mlpCreateMemoryQueueArray(numMemoryQueue);");
1866 /* Check to see if we need to do a GC if this is a
1867 * multi-threaded program...*/
1869 if (((state.MLP||state.OOOJAVA||state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC)
1870 || this.state.MULTICOREGC) {
1871 //Don't bother if we aren't in recursive methods...The loops case will catch it
1872 if (callgraph.getAllMethods(md).contains(md)) {
1873 if (state.DSM&&lb.isAtomic())
1874 output.println("if (needtocollect) checkcollect2("+localsprefixaddr+");");
1875 else if (this.state.MULTICOREGC) {
1876 output.println("if(gcflag) gc("+localsprefixaddr+");");
1878 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1883 generateCode(fm.getNext(0), fm, lb, null, output, true);
1885 output.println("}\n\n");
1889 protected void initializeSESE( FlatSESEEnterNode fsen ) {
1891 FlatMethod fm = fsen.getfmEnclosing();
1892 MethodDescriptor md = fm.getMethod();
1893 ClassDescriptor cn = md.getClassDesc();
1896 // Creates bogus method descriptor to index into tables
1897 Modifiers modBogus = new Modifiers();
1898 MethodDescriptor mdBogus =
1899 new MethodDescriptor( modBogus,
1900 new TypeDescriptor( TypeDescriptor.VOID ),
1901 "sese_"+fsen.getPrettyIdentifier()+fsen.getIdentifier()
1904 mdBogus.setClassDesc( fsen.getcdEnclosing() );
1905 FlatMethod fmBogus = new FlatMethod( mdBogus, null );
1906 fsen.setfmBogus( fmBogus );
1907 fsen.setmdBogus( mdBogus );
1909 Set<TempDescriptor> inSetAndOutSet = new HashSet<TempDescriptor>();
1910 inSetAndOutSet.addAll( fsen.getInVarSet() );
1911 inSetAndOutSet.addAll( fsen.getOutVarSet() );
1913 // Build paramsobj for bogus method descriptor
1914 ParamsObject objectparams = new ParamsObject( mdBogus, tag++ );
1915 paramstable.put( mdBogus, objectparams );
1917 Iterator<TempDescriptor> itr = inSetAndOutSet.iterator();
1918 while( itr.hasNext() ) {
1919 TempDescriptor temp = itr.next();
1920 TypeDescriptor type = temp.getType();
1921 if( type.isPtr() ) {
1922 objectparams.addPtr( temp );
1924 objectparams.addPrim( temp );
1928 // Build normal temp object for bogus method descriptor
1929 TempObject objecttemps = new TempObject( objectparams, mdBogus, tag++ );
1930 tempstable.put( mdBogus, objecttemps );
1932 for( Iterator nodeit = fsen.getNodeSet().iterator(); nodeit.hasNext(); ) {
1933 FlatNode fn = (FlatNode)nodeit.next();
1934 TempDescriptor[] writes = fn.writesTemps();
1936 for( int i = 0; i < writes.length; i++ ) {
1937 TempDescriptor temp = writes[i];
1938 TypeDescriptor type = temp.getType();
1940 if( type.isPtr() ) {
1941 objecttemps.addPtr( temp );
1943 objecttemps.addPrim( temp );
1949 protected void generateMethodSESE(FlatSESEEnterNode fsen,
1951 PrintWriter outputStructs,
1952 PrintWriter outputMethHead,
1953 PrintWriter outputMethods
1956 ParamsObject objectparams = (ParamsObject) paramstable.get( fsen.getmdBogus() );
1957 TempObject objecttemps = (TempObject) tempstable .get( fsen.getmdBogus() );
1959 // generate locals structure
1960 outputStructs.println("struct "+
1961 fsen.getcdEnclosing().getSafeSymbol()+
1962 fsen.getmdBogus().getSafeSymbol()+"_"+
1963 fsen.getmdBogus().getSafeMethodDescriptor()+
1965 outputStructs.println(" int size;");
1966 outputStructs.println(" void * next;");
1967 for(int i=0; i<objecttemps.numPointers(); i++) {
1968 TempDescriptor temp=objecttemps.getPointer(i);
1970 if (temp.getType().isNull())
1971 outputStructs.println(" void * "+temp.getSafeSymbol()+";");
1973 outputStructs.println(" struct "+
1974 temp.getType().getSafeSymbol()+" * "+
1975 temp.getSafeSymbol()+";");
1977 outputStructs.println("};\n");
1980 // generate the SESE record structure
1981 outputStructs.println(fsen.getSESErecordName()+" {");
1983 // data common to any SESE, and it must be placed first so
1984 // a module that doesn't know what kind of SESE record this
1985 // is can cast the pointer to a common struct
1986 outputStructs.println(" SESEcommon common;");
1988 // then garbage list stuff
1989 outputStructs.println(" int size;");
1990 outputStructs.println(" void * next;");
1992 // DYNAMIC stuff was here
1994 // invar source taking was here
1996 // space for all in and out set primitives
1997 Set<TempDescriptor> inSetAndOutSet = new HashSet<TempDescriptor>();
1998 inSetAndOutSet.addAll( fsen.getInVarSet() );
1999 inSetAndOutSet.addAll( fsen.getOutVarSet() );
2001 Set<TempDescriptor> inSetAndOutSetPrims = new HashSet<TempDescriptor>();
2003 Iterator<TempDescriptor> itr = inSetAndOutSet.iterator();
2004 while( itr.hasNext() ) {
2005 TempDescriptor temp = itr.next();
2006 TypeDescriptor type = temp.getType();
2007 if( !type.isPtr() ) {
2008 inSetAndOutSetPrims.add( temp );
2012 Iterator<TempDescriptor> itrPrims = inSetAndOutSetPrims.iterator();
2013 while( itrPrims.hasNext() ) {
2014 TempDescriptor temp = itrPrims.next();
2015 TypeDescriptor type = temp.getType();
2016 if(!type.isPrimitive()){
2017 outputStructs.println(" "+temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol()+";");
2021 for(int i=0; i<objectparams.numPointers(); i++) {
2022 TempDescriptor temp=objectparams.getPointer(i);
2023 if (temp.getType().isNull())
2024 outputStructs.println(" void * "+temp.getSafeSymbol()+";");
2026 outputStructs.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
2029 // DYNAMIC stuff needs a source SESE ptr and offset
2030 Iterator<TempDescriptor> itrDynInVars = fsen.getDynamicInVarSet().iterator();
2031 while( itrDynInVars.hasNext() ) {
2032 TempDescriptor dynInVar = itrDynInVars.next();
2033 // outputStructs.println(" void* "+dynInVar+"_srcSESE;");
2034 outputStructs.println(" int "+dynInVar+"_srcOffset;");
2037 itrPrims = inSetAndOutSetPrims.iterator();
2038 while( itrPrims.hasNext() ) {
2039 TempDescriptor temp = itrPrims.next();
2040 TypeDescriptor type = temp.getType();
2041 if(type.isPrimitive()){
2042 outputStructs.println(" "+temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol()+";");
2046 outputStructs.println(" int prevSESECount;");
2048 // DYNAMIC stuff needs a source SESE ptr and offset
2049 itrDynInVars = fsen.getDynamicInVarSet().iterator();
2050 while( itrDynInVars.hasNext() ) {
2051 TempDescriptor dynInVar = itrDynInVars.next();
2052 outputStructs.println(" void* "+dynInVar+"_srcSESE;");
2053 // outputStructs.println(" int "+dynInVar+"_srcOffset;");
2056 // in-set source tracking
2057 // in-vars that are READY come from parent, don't need anything
2058 // stuff STATIC needs a custom SESE pointer for each age pair
2059 Iterator<SESEandAgePair> itrStaticInVarSrcs = fsen.getStaticInVarSrcs().iterator();
2060 while( itrStaticInVarSrcs.hasNext() ) {
2061 SESEandAgePair srcPair = itrStaticInVarSrcs.next();
2062 outputStructs.println(" "+srcPair.getSESE().getSESErecordName()+"* "+srcPair+";");
2065 outputStructs.println("};\n");
2068 // write method declaration to header file
2069 outputMethHead.print("void ");
2070 outputMethHead.print(fsen.getSESEmethodName()+"(");
2071 outputMethHead.print(fsen.getSESErecordName()+"* "+paramsprefix);
2072 outputMethHead.println(");\n");
2075 generateFlatMethodSESE( fsen.getfmBogus(),
2076 fsen.getcdEnclosing(),
2082 private void generateFlatMethodSESE(FlatMethod fm,
2084 FlatSESEEnterNode fsen,
2085 FlatSESEExitNode seseExit,
2089 MethodDescriptor md=fm.getMethod();
2091 output.print("void ");
2092 output.print(fsen.getSESEmethodName()+"(");
2093 output.print(fsen.getSESErecordName()+"* "+paramsprefix);
2094 output.println("){\n");
2096 TempObject objecttemp=(TempObject) tempstable.get(md);
2098 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2099 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
2100 output.print(objecttemp.numPointers()+",");
2101 output.print("&(((SESEcommon*)(___params___))[1])");
2102 for(int j=0; j<objecttemp.numPointers(); j++)
2103 output.print(", NULL");
2104 output.println("};");
2107 output.println(" /* regular local primitives */");
2108 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2109 TempDescriptor td=objecttemp.getPrimitive(i);
2110 TypeDescriptor type=td.getType();
2112 output.println(" void * "+td.getSafeSymbol()+";");
2113 else if (type.isClass()||type.isArray())
2114 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2116 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2120 // declare variables for naming static SESE's
2121 output.println(" /* static SESE names */");
2122 Iterator<SESEandAgePair> pItr = fsen.getNeededStaticNames().iterator();
2123 while( pItr.hasNext() ) {
2124 SESEandAgePair pair = pItr.next();
2125 output.println(" void* "+pair+";");
2128 // declare variables for tracking dynamic sources
2129 output.println(" /* dynamic variable sources */");
2130 Iterator<TempDescriptor> dynSrcItr = fsen.getDynamicVarSet().iterator();
2131 while( dynSrcItr.hasNext() ) {
2132 TempDescriptor dynSrcVar = dynSrcItr.next();
2133 output.println(" void* "+dynSrcVar+"_srcSESE;");
2134 output.println(" int "+dynSrcVar+"_srcOffset;");
2137 // declare local temps for in-set primitives, and if it is
2138 // a ready-source variable, get the value from the record
2139 output.println(" /* local temps for in-set primitives */");
2140 Iterator<TempDescriptor> itrInSet = fsen.getInVarSet().iterator();
2141 while( itrInSet.hasNext() ) {
2142 TempDescriptor temp = itrInSet.next();
2143 TypeDescriptor type = temp.getType();
2144 if( !type.isPtr() ) {
2145 if( fsen.getReadyInVarSet().contains( temp ) ) {
2146 output.println(" "+type+" "+temp+" = "+paramsprefix+"->"+temp+";");
2148 output.println(" "+type+" "+temp+";");
2153 // declare local temps for out-set primitives if its not already
2154 // in the in-set, and it's value will get written so no problem
2155 output.println(" /* local temp for out-set prim, not already in the in-set */");
2156 Iterator<TempDescriptor> itrOutSet = fsen.getOutVarSet().iterator();
2157 while( itrOutSet.hasNext() ) {
2158 TempDescriptor temp = itrOutSet.next();
2159 TypeDescriptor type = temp.getType();
2160 if( !type.isPtr() && !fsen.getInVarSet().contains( temp ) ) {
2161 output.println(" "+type+" "+temp+";");
2165 // setup memory queue
2168 output.println(" // set up memory queues ");
2169 output.println(" int numMemoryQueue=0;");
2170 output.println(" int memoryQueueItemID=0;");
2171 Analysis.OoOJava.ConflictGraph graph = oooa.getConflictGraph(fsen);
2172 if (graph != null && graph.hasConflictEdge()) {
2173 output.println(" {");
2175 .println(" SESEcommon* parentCommon = &(___params___->common);");
2176 Set<Analysis.OoOJava.SESELock> lockSet = oooa.getLockMappings(graph);
2177 System.out.println("#lockSet="+lockSet);
2178 if (lockSet.size() > 0) {
2179 output.println(" numMemoryQueue=" + lockSet.size() + ";");
2181 .println(" parentCommon->numMemoryQueue=numMemoryQueue;");
2183 .println(" parentCommon->memoryQueueArray=mlpCreateMemoryQueueArray(numMemoryQueue);");
2186 output.println(" }");
2189 output.println(" // set up memory queues ");
2190 output.println(" int numMemoryQueue=0;");
2191 output.println(" int memoryQueueItemID=0;");
2192 ConflictGraph graph = null;
2193 graph = mlpa.getConflictGraphResults().get(fsen);
2194 if (graph != null && graph.hasConflictEdge()) {
2195 output.println(" {");
2197 .println(" SESEcommon* parentCommon = &(___params___->common);");
2198 HashSet<SESELock> lockSet = mlpa.getConflictGraphLockMap().get(
2200 System.out.println("#lockSet="+lockSet);
2202 if (lockSet.size() > 0) {
2203 output.println(" numMemoryQueue=" + lockSet.size() + "; ");
2205 .println(" parentCommon->numMemoryQueue=numMemoryQueue;");
2207 .println(" parentCommon->memoryQueueArray=mlpCreateMemoryQueueArray(numMemoryQueue);");
2210 output.println(" }");
2216 // copy in-set into place, ready vars were already
2217 // copied when the SESE was issued
2218 Iterator<TempDescriptor> tempItr;
2220 // static vars are from a known SESE
2221 tempItr = fsen.getStaticInVarSet().iterator();
2222 while( tempItr.hasNext() ) {
2223 TempDescriptor temp = tempItr.next();
2224 VariableSourceToken vst = fsen.getStaticInVarSrc( temp );
2225 SESEandAgePair srcPair = new SESEandAgePair( vst.getSESE(), vst.getAge() );
2227 // can't grab something from this source until it is done
2228 output.println(" {");
2230 If we are running, everything is done. This check is redundant.
2232 output.println(" SESEcommon* com = (SESEcommon*)"+paramsprefix+"->"+srcPair+";" );
2233 output.println(" pthread_mutex_lock( &(com->lock) );");
2234 output.println(" while( com->doneExecuting == FALSE ) {");
2235 output.println(" pthread_cond_wait( &(com->doneCond), &(com->lock) );");
2236 output.println(" }");
2237 output.println(" pthread_mutex_unlock( &(com->lock) );");
2239 output.println(" "+generateTemp( fsen.getfmBogus(), temp, null )+
2240 " = "+paramsprefix+"->"+srcPair+"->"+vst.getAddrVar()+";");
2242 output.println(" }");
2245 // dynamic vars come from an SESE and src
2246 tempItr = fsen.getDynamicInVarSet().iterator();
2247 while( tempItr.hasNext() ) {
2248 TempDescriptor temp = tempItr.next();
2249 TypeDescriptor type = temp.getType();
2251 // go grab it from the SESE source
2252 output.println(" if( "+paramsprefix+"->"+temp+"_srcSESE != NULL ) {");
2254 // gotta wait until the source is done
2255 output.println(" SESEcommon* com = (SESEcommon*)"+paramsprefix+"->"+temp+"_srcSESE;" );
2257 If we are running, everything is done!
2258 output.println(" pthread_mutex_lock( &(com->lock) );");
2259 output.println(" while( com->doneExecuting == FALSE ) {");
2260 output.println(" pthread_cond_wait( &(com->doneCond), &(com->lock) );");
2261 output.println(" }");
2262 output.println(" pthread_mutex_unlock( &(com->lock) );");
2266 if( type.isNull() ) {
2268 } else if( type.isClass() || type.isArray() ) {
2269 typeStr = "struct "+type.getSafeSymbol()+"*";
2271 typeStr = type.getSafeSymbol();
2274 output.println(" "+generateTemp( fsen.getfmBogus(), temp, null )+
2275 " = *(("+typeStr+"*) ("+
2276 paramsprefix+"->"+temp+"_srcSESE + "+
2277 paramsprefix+"->"+temp+"_srcOffset));");
2279 // or if the source was our parent, its in the record to grab
2280 output.println(" } else {");
2281 output.println(" "+generateTemp( fsen.getfmBogus(), temp, null )+
2282 " = "+paramsprefix+"->"+temp+";");
2283 output.println(" }");
2286 // Check to see if we need to do a GC if this is a
2287 // multi-threaded program...
2288 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2289 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2290 //Don't bother if we aren't in recursive methods...The loops case will catch it
2291 // if (callgraph.getAllMethods(md).contains(md)) {
2292 // if(this.state.MULTICOREGC) {
2293 // output.println("if(gcflag) gc("+localsprefixaddr+");");
2295 // output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2300 // initialize thread-local var to a non-zero, invalid address
2301 output.println(" seseCaller = (SESEcommon*) 0x2;");
2302 HashSet<FlatNode> exitset=new HashSet<FlatNode>();
2303 exitset.add(seseExit);
2304 generateCode(fsen.getNext(0), fm, null, exitset, output, true);
2305 output.println("}\n\n");
2310 // when a new mlp thread is created for an issued SESE, it is started
2311 // by running this method which blocks on a cond variable until
2312 // it is allowed to transition to execute. Then a case statement
2313 // allows it to invoke the method with the proper SESE body, and after
2314 // exiting the SESE method, executes proper SESE exit code before the
2315 // thread can be destroyed
2316 private void generateSESEinvocationMethod(PrintWriter outmethodheader,
2317 PrintWriter outmethod
2320 outmethodheader.println("void* invokeSESEmethod( void* seseRecord );");
2321 outmethod.println( "void* invokeSESEmethod( void* seseRecord ) {");
2322 outmethod.println( " int status;");
2323 outmethod.println( " char errmsg[128];");
2325 // generate a case for each SESE class that can be invoked
2326 outmethod.println( " switch( *((int*)seseRecord) ) {");
2327 outmethod.println( " ");
2328 Iterator<FlatSESEEnterNode> seseit;
2330 seseit=mlpa.getAllSESEs().iterator();
2332 seseit=oooa.getAllSESEs().iterator();
2334 while(seseit.hasNext()){
2335 FlatSESEEnterNode fsen = seseit.next();
2337 outmethod.println( " /* "+fsen.getPrettyIdentifier()+" */");
2338 outmethod.println( " case "+fsen.getIdentifier()+":");
2339 outmethod.println( " "+fsen.getSESEmethodName()+"( seseRecord );");
2341 if( (state.MLP && fsen.equals( mlpa.getMainSESE() )) ||
2342 (state.OOOJAVA && fsen.equals( oooa.getMainSESE() ))
2344 outmethod.println( " /* work scheduler works forever, explicitly exit */");
2345 outmethod.println( " exit( 0 );");
2348 outmethod.println( " break;");
2349 outmethod.println( "");
2352 // default case should never be taken, error out
2353 outmethod.println( " default:");
2354 outmethod.println( " printf(\"Error: unknown SESE class ID in invoke method.\\n\");");
2355 outmethod.println( " exit(-30);");
2356 outmethod.println( " break;");
2357 outmethod.println( " }");
2358 outmethod.println( " return NULL;");
2359 outmethod.println( "}\n\n");
2363 protected void generateCode(FlatNode first,
2366 Set<FlatNode> stopset,
2367 PrintWriter output, boolean firstpass) {
2369 /* Assign labels to FlatNode's if necessary.*/
2371 Hashtable<FlatNode, Integer> nodetolabel;
2373 if (state.DELAYCOMP&&!firstpass)
2374 nodetolabel=dcassignLabels(first, stopset);
2376 nodetolabel=assignLabels(first, stopset);
2378 Set<FlatNode> storeset=null;
2379 HashSet<FlatNode> genset=null;
2380 HashSet<FlatNode> refset=null;
2381 Set<FlatNode> unionset=null;
2383 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
2384 storeset=delaycomp.livecode(lb);
2385 genset=new HashSet<FlatNode>();
2386 if (state.STMARRAY&&!state.DUALVIEW) {
2387 refset=new HashSet<FlatNode>();
2388 refset.addAll(delaycomp.getDeref(lb));
2389 refset.removeAll(delaycomp.getCannotDelay(lb));
2390 refset.removeAll(delaycomp.getOther(lb));
2393 genset.addAll(delaycomp.getCannotDelay(lb));
2394 genset.addAll(delaycomp.getOther(lb));
2396 genset.addAll(delaycomp.getNotReady(lb));
2397 if (state.STMARRAY&&!state.DUALVIEW) {
2398 genset.removeAll(refset);
2401 unionset=new HashSet<FlatNode>();
2402 unionset.addAll(storeset);
2403 unionset.addAll(genset);
2404 if (state.STMARRAY&&!state.DUALVIEW)
2405 unionset.addAll(refset);
2408 /* Do the actual code generation */
2409 FlatNode current_node=null;
2410 HashSet tovisit=new HashSet();
2411 HashSet visited=new HashSet();
2413 tovisit.add(first.getNext(0));
2416 while(current_node!=null||!tovisit.isEmpty()) {
2417 if (current_node==null) {
2418 current_node=(FlatNode)tovisit.iterator().next();
2419 tovisit.remove(current_node);
2420 } else if (tovisit.contains(current_node)) {
2421 tovisit.remove(current_node);
2423 visited.add(current_node);
2424 if (nodetolabel.containsKey(current_node)) {
2425 output.println("L"+nodetolabel.get(current_node)+":");
2427 if (state.INSTRUCTIONFAILURE) {
2428 if (state.THREAD||state.DSM||state.SINGLETM) {
2429 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2431 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2433 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2435 if (!state.DELAYCOMP||firstpass) {
2436 generateFlatNode(fm, lb, current_node, output);
2438 //store primitive variables in out set
2439 AtomicRecord ar=atomicmethodmap.get((FlatAtomicEnterNode)first);
2440 Set<TempDescriptor> liveout=ar.liveout;
2441 for(Iterator<TempDescriptor> tmpit=liveout.iterator();tmpit.hasNext();) {
2442 TempDescriptor tmp=tmpit.next();
2443 output.println("primitives->"+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
2446 if ((state.MLP || state.OOOJAVA) && stopset!=null) {
2447 assert first.getPrev( 0 ) instanceof FlatSESEEnterNode;
2448 assert current_node instanceof FlatSESEExitNode;
2449 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev( 0 );
2450 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2451 assert fsen.getFlatExit().equals( fsxn );
2452 assert fsxn.getFlatEnter().equals( fsen );
2454 if (current_node.kind()!=FKind.FlatReturnNode) {
2455 output.println(" return;");
2458 } else if(current_node.numNext()==1) {
2460 if ((state.MLP|| state.OOOJAVA) &&
2461 current_node.kind()==FKind.FlatSESEEnterNode &&
2462 !((FlatSESEEnterNode)current_node).getIsCallerSESEplaceholder()
2464 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2465 generateFlatNode(fm, lb, current_node, output);
2466 nextnode=fsen.getFlatExit().getNext(0);
2467 } else if (state.DELAYCOMP) {
2468 boolean specialprimitive=false;
2469 //skip literals...no need to add extra overhead
2470 if (storeset!=null&&storeset.contains(current_node)&¤t_node.kind()==FKind.FlatLiteralNode) {
2471 TypeDescriptor typedesc=((FlatLiteralNode)current_node).getType();
2472 if (!typedesc.isClass()&&!typedesc.isArray()) {
2473 specialprimitive=true;
2477 if (genset==null||genset.contains(current_node)||specialprimitive)
2478 generateFlatNode(fm, lb, current_node, output);
2479 if (state.STMARRAY&&!state.DUALVIEW&&refset!=null&&refset.contains(current_node)) {
2480 //need to acquire lock
2481 handleArrayDeref(fm, lb, current_node, output, firstpass);
2483 if (storeset!=null&&storeset.contains(current_node)&&!specialprimitive) {
2484 TempDescriptor wrtmp=current_node.writesTemps()[0];
2486 //need to store value written by previous node
2487 if (wrtmp.getType().isPtr()) {
2488 //only lock the objects that may actually need locking
2489 if (recorddc.getNeedTrans(lb, current_node)&&
2490 (!state.STMARRAY||state.DUALVIEW||!wrtmp.getType().isArray()||
2491 wrtmp.getType().getSymbol().equals(TypeUtil.ObjectClass))) {
2492 output.println("STOREPTR("+generateTemp(fm, wrtmp,lb)+");/* "+current_node.nodeid+" */");
2494 output.println("STOREPTRNOLOCK("+generateTemp(fm, wrtmp,lb)+");/* "+current_node.nodeid+" */");
2497 output.println("STORE"+wrtmp.getType().getSafeDescriptor()+"("+generateTemp(fm, wrtmp, lb)+");/* "+current_node.nodeid+" */");
2500 //need to read value read by previous node
2501 if (wrtmp.getType().isPtr()) {
2502 output.println("RESTOREPTR("+generateTemp(fm, wrtmp,lb)+");/* "+current_node.nodeid+" */");
2504 output.println("RESTORE"+wrtmp.getType().getSafeDescriptor()+"("+generateTemp(fm, wrtmp, lb)+"); /* "+current_node.nodeid+" */");
2508 nextnode=current_node.getNext(0);
2511 generateFlatNode(fm, lb, current_node, output);
2512 nextnode=current_node.getNext(0);
2514 if (visited.contains(nextnode)) {
2515 output.println("goto L"+nodetolabel.get(nextnode)+";");
2518 current_node=nextnode;
2519 } else if (current_node.numNext()==2) {
2521 if (state.DELAYCOMP) {
2522 boolean computeside=false;
2524 //need to record which way it should go
2525 if (genset==null||genset.contains(current_node)) {
2526 if (storeset!=null&&storeset.contains(current_node)) {
2527 //need to store which way branch goes
2528 generateStoreFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2530 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2532 //which side to execute
2536 if (genset.contains(current_node)) {
2537 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2538 } else if (storeset.contains(current_node)) {
2540 branchanalysis.generateGroupCode(current_node, output, nodetolabel);
2542 //which side to execute
2547 Set<FlatNode> leftset=DelayComputation.getNext(current_node, 0, unionset, lb,locality, true);
2549 if (leftset.size()==0)
2551 if (visited.contains(current_node.getNext(branch))) {
2552 //already visited -- build jump
2553 output.println("goto L"+nodetolabel.get(current_node.getNext(branch))+";");
2556 current_node=current_node.getNext(branch);
2559 if (!visited.contains(current_node.getNext(1)))
2560 tovisit.add(current_node.getNext(1));
2561 if (visited.contains(current_node.getNext(0))) {
2562 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2565 current_node=current_node.getNext(0);
2569 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2570 if (!visited.contains(current_node.getNext(1)))
2571 tovisit.add(current_node.getNext(1));
2572 if (visited.contains(current_node.getNext(0))) {
2573 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2576 current_node=current_node.getNext(0);
2578 } else throw new Error();
2582 protected void handleArrayDeref(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output, boolean firstpass) {
2583 if (fn.kind()==FKind.FlatSetElementNode) {
2584 FlatSetElementNode fsen=(FlatSetElementNode) fn;
2585 String dst=generateTemp(fm, fsen.getDst(), lb);
2586 String src=generateTemp(fm, fsen.getSrc(), lb);
2587 String index=generateTemp(fm, fsen.getIndex(), lb);
2588 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2590 if (elementtype.isArray()||elementtype.isClass())
2593 type=elementtype.getSafeSymbol()+" ";
2595 output.println("STOREARRAY("+dst+","+index+","+type+")");
2597 output.println("{");
2598 output.println(" struct ArrayObject *array;");
2599 output.println(" int index;");
2600 output.println(" RESTOREARRAY(array,index);");
2601 output.println(" (("+type+"*)(((char *)&array->___length___)+sizeof(int)))[index]="+src+";");
2602 output.println("}");
2604 } else if (fn.kind()==FKind.FlatElementNode) {
2605 FlatElementNode fen=(FlatElementNode) fn;
2606 String src=generateTemp(fm, fen.getSrc(), lb);
2607 String index=generateTemp(fm, fen.getIndex(), lb);
2608 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2609 String dst=generateTemp(fm, fen.getDst(), lb);
2611 if (elementtype.isArray()||elementtype.isClass())
2614 type=elementtype.getSafeSymbol()+" ";
2616 output.println("STOREARRAY("+src+","+index+","+type+")");
2618 output.println("{");
2619 output.println(" struct ArrayObject *array;");
2620 output.println(" int index;");
2621 output.println(" RESTOREARRAY(array,index);");
2622 output.println(" "+dst+"=(("+type+"*)(((char *)&array->___length___)+sizeof(int)))[index];");
2623 output.println("}");
2627 /** Special label assignment for delaycomputation */
2628 protected Hashtable<FlatNode, Integer> dcassignLabels(FlatNode first, Set<FlatNode> lastset) {
2629 HashSet tovisit=new HashSet();
2630 HashSet visited=new HashSet();
2632 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2634 //Label targets of branches
2635 Set<FlatNode> targets=branchanalysis.getTargets();
2636 for(Iterator<FlatNode> it=targets.iterator();it.hasNext();) {
2637 nodetolabel.put(it.next(), new Integer(labelindex++));
2642 /*Assign labels first. A node needs a label if the previous
2643 * node has two exits or this node is a join point. */
2645 while(!tovisit.isEmpty()) {
2646 FlatNode fn=(FlatNode)tovisit.iterator().next();
2651 if(lastset!=null&&lastset.contains(fn)) {
2652 // if last is not null and matches, don't go
2653 // any further for assigning labels
2657 for(int i=0; i<fn.numNext(); i++) {
2658 FlatNode nn=fn.getNext(i);
2661 //1) Edge >1 of node
2662 nodetolabel.put(nn,new Integer(labelindex++));
2664 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2668 nodetolabel.put(nn,new Integer(labelindex++));
2676 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first) {
2677 return assignLabels(first, null);
2680 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2681 HashSet tovisit=new HashSet();
2682 HashSet visited=new HashSet();
2684 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2687 /*Assign labels first. A node needs a label if the previous
2688 * node has two exits or this node is a join point. */
2690 while(!tovisit.isEmpty()) {
2691 FlatNode fn=(FlatNode)tovisit.iterator().next();
2696 if(lastset!=null&&lastset.contains(fn)) {
2697 // if last is not null and matches, don't go
2698 // any further for assigning labels
2702 for(int i=0; i<fn.numNext(); i++) {
2703 FlatNode nn=fn.getNext(i);
2706 //1) Edge >1 of node
2707 nodetolabel.put(nn,new Integer(labelindex++));
2709 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2713 nodetolabel.put(nn,new Integer(labelindex++));
2721 /** Generate text string that corresponds to the TempDescriptor td. */
2722 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
2723 MethodDescriptor md=fm.getMethod();
2724 TaskDescriptor task=fm.getTask();
2725 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
2727 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2728 return td.getSafeSymbol();
2731 if (objecttemps.isLocalPtr(td)) {
2732 return localsprefixderef+td.getSafeSymbol();
2735 if (objecttemps.isParamPtr(td)) {
2736 return paramsprefix+"->"+td.getSafeSymbol();
2742 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
2744 // insert pre-node actions from the code plan
2745 if( state.MLP|| state.OOOJAVA ) {
2749 cp = mlpa.getCodePlan( fn );
2751 cp = oooa.getCodePlan(fn);
2756 FlatSESEEnterNode currentSESE = cp.getCurrentSESE();
2758 // for each sese and age pair that this parent statement
2759 // must stall on, take that child's stall semaphore, the
2760 // copying of values comes after the statement
2761 Iterator<VariableSourceToken> vstItr = cp.getStallTokens().iterator();
2762 while( vstItr.hasNext() ) {
2763 VariableSourceToken vst = vstItr.next();
2765 SESEandAgePair pair = new SESEandAgePair( vst.getSESE(), vst.getAge() );
2767 output.println(" {");
2768 output.println(" SESEcommon* common = (SESEcommon*) "+pair+";");
2770 output.println(" pthread_mutex_lock( &(common->lock) );");
2771 output.println(" while( common->doneExecuting == FALSE ) {");
2772 output.println(" pthread_cond_wait( &(common->doneCond), &(common->lock) );");
2773 output.println(" }");
2774 output.println(" pthread_mutex_unlock( &(common->lock) );");
2776 // copy things we might have stalled for
2777 output.println(" "+pair.getSESE().getSESErecordName()+"* child = ("+
2778 pair.getSESE().getSESErecordName()+"*) "+pair+";");
2780 Iterator<TempDescriptor> tdItr = cp.getCopySet( vst ).iterator();
2781 while( tdItr.hasNext() ) {
2782 TempDescriptor td = tdItr.next();
2783 FlatMethod fmContext;
2784 if( currentSESE.getIsCallerSESEplaceholder() ) {
2785 fmContext = currentSESE.getfmEnclosing();
2787 fmContext = currentSESE.getfmBogus();
2789 output.println(" "+generateTemp( fmContext, td, null )+
2790 " = child->"+vst.getAddrVar().getSafeSymbol()+";");
2793 output.println(" }");
2796 // for each variable with a dynamic source, stall just for that variable
2797 Iterator<TempDescriptor> dynItr = cp.getDynamicStallSet().iterator();
2798 while( dynItr.hasNext() ) {
2799 TempDescriptor dynVar = dynItr.next();
2801 // only stall if the dynamic source is not yourself, denoted by src==NULL
2802 // otherwise the dynamic write nodes will have the local var up-to-date
2803 output.println(" {");
2804 output.println(" if( "+dynVar+"_srcSESE != NULL ) {");
2805 output.println(" SESEcommon* common = (SESEcommon*) "+dynVar+"_srcSESE;");
2806 output.println(" psem_take( &(common->stallSem) );");
2808 FlatMethod fmContext;
2809 if( currentSESE.getIsCallerSESEplaceholder() ) {
2810 fmContext = currentSESE.getfmEnclosing();
2812 fmContext = currentSESE.getfmBogus();
2815 TypeDescriptor type=dynVar.getType();
2817 if( type.isNull() ) {
2819 } else if( type.isClass() || type.isArray() ) {
2820 typeStr = "struct "+type.getSafeSymbol()+"*";
2822 typeStr = type.getSafeSymbol();
2825 output.println(" "+generateTemp( fmContext, dynVar, null )+
2826 " = *(("+typeStr+"*) ("+
2827 dynVar+"_srcSESE + "+dynVar+"_srcOffset));");
2829 output.println(" }");
2830 output.println(" }");
2833 // for each assignment of a variable to rhs that has a dynamic source,
2834 // copy the dynamic sources
2835 Iterator dynAssignItr = cp.getDynAssigns().entrySet().iterator();
2836 while( dynAssignItr.hasNext() ) {
2837 Map.Entry me = (Map.Entry) dynAssignItr.next();
2838 TempDescriptor lhs = (TempDescriptor) me.getKey();
2839 TempDescriptor rhs = (TempDescriptor) me.getValue();
2840 output.println(" "+lhs+"_srcSESE = "+rhs+"_srcSESE;");
2841 output.println(" "+lhs+"_srcOffset = "+rhs+"_srcOffset;");
2844 // for each lhs that is dynamic from a non-dynamic source, set the
2845 // dynamic source vars to the current SESE
2846 dynItr = cp.getDynAssignCurr().iterator();
2847 while( dynItr.hasNext() ) {
2848 TempDescriptor dynVar = dynItr.next();
2849 assert currentSESE.getDynamicVarSet().contains( dynVar );
2850 output.println(" "+dynVar+"_srcSESE = NULL;");
2854 // handling stall site
2855 if (state.OOOJAVA) {
2856 Analysis.OoOJava.ConflictGraph graph = oooa.getConflictGraph(currentSESE);
2858 Set<Analysis.OoOJava.SESELock> seseLockSet = oooa.getLockMappings(graph);
2859 Set<Analysis.OoOJava.WaitingElement> waitingElementSet =
2860 graph.getStallSiteWaitingElementSet(fn, seseLockSet);
2862 if(waitingElementSet.size()>0){
2863 output.println("// stall on parent's stall sites ");
2864 output.println(" {");
2865 output.println(" REntry* rentry;");
2867 for (Iterator iterator = waitingElementSet.iterator(); iterator.hasNext();) {
2868 Analysis.OoOJava.WaitingElement waitingElement = (Analysis.OoOJava.WaitingElement) iterator.next();
2870 if( waitingElement.getStatus() >= ConflictNode.COARSE ){
2871 output.println(" rentry=mlpCreateREntry("+ waitingElement.getStatus()+ ", seseCaller);");
2873 output.println(" rentry=mlpCreateFineREntry("+ waitingElement.getStatus()+ ", seseCaller, (void*)&" +generateTemp(fm,waitingElement.getTempDesc(),lb)+ ");");
2875 output.println(" psem_init( &(rentry->parentStallSem) );");
2876 output.println(" rentry->queue=seseCaller->memoryQueueArray["+ waitingElement.getQueueID()+ "];");
2878 .println(" if(ADDRENTRY(seseCaller->memoryQueueArray["+ waitingElement.getQueueID()
2879 + "],rentry)==NOTREADY){");
2880 output.println(" psem_take( &(rentry->parentStallSem) );");
2881 output.println(" } ");
2883 output.println(" }");
2887 ParentChildConflictsMap conflictsMap = mlpa.getConflictsResults().get(fn);
2888 if (conflictsMap != null) {
2889 Set<Long> allocSet = conflictsMap.getAllocationSiteIDSetofStallSite();
2890 if (allocSet.size() > 0) {
2891 FlatNode enclosingFlatNode=null;
2892 if( currentSESE.getIsCallerSESEplaceholder() && currentSESE.getParent()==null){
2893 enclosingFlatNode=currentSESE.getfmEnclosing();
2895 enclosingFlatNode=currentSESE;
2897 ConflictGraph graph=mlpa.getConflictGraphResults().get(enclosingFlatNode);
2898 HashSet<SESELock> seseLockSet=mlpa.getConflictGraphLockMap().get(graph);
2899 Set<WaitingElement> waitingElementSet=graph.getStallSiteWaitingElementSet(conflictsMap, seseLockSet);
2901 if(waitingElementSet.size()>0){
2902 output.println("// stall on parent's stall sites ");
2903 output.println(" {");
2904 output.println(" REntry* rentry;");
2906 for (Iterator iterator = waitingElementSet.iterator(); iterator.hasNext();) {
2907 WaitingElement waitingElement = (WaitingElement) iterator.next();
2909 if( waitingElement.getStatus() >= ConflictNode.COARSE ){
2910 output.println(" rentry=mlpCreateREntry("+ waitingElement.getStatus()+ ", seseCaller);");
2912 output.println(" rentry=mlpCreateFineREntry("+ waitingElement.getStatus()+ ", seseCaller, (void*)&___locals___."+ waitingElement.getDynID() + ");");
2913 // output.println(" rentry=mlpCreateFineREntry("+ waitingElement.getStatus()+ ", seseCaller, ___locals___."+ waitingElement.getDynID() + "->oid);");
2915 output.println(" psem_init( &(rentry->parentStallSem) );");
2916 output.println(" rentry->queue=seseCaller->memoryQueueArray["+ waitingElement.getQueueID()+ "];");
2918 .println(" if(ADDRENTRY(seseCaller->memoryQueueArray["+ waitingElement.getQueueID()
2919 + "],rentry)==NOTREADY){");
2920 output.println(" psem_take( &(rentry->parentStallSem) );");
2921 output.println(" } ");
2923 output.println(" }");
2934 case FKind.FlatAtomicEnterNode:
2935 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
2938 case FKind.FlatAtomicExitNode:
2939 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
2942 case FKind.FlatInstanceOfNode:
2943 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
2946 case FKind.FlatSESEEnterNode:
2947 generateFlatSESEEnterNode(fm, lb, (FlatSESEEnterNode)fn, output);
2950 case FKind.FlatSESEExitNode:
2951 generateFlatSESEExitNode(fm, lb, (FlatSESEExitNode)fn, output);
2954 case FKind.FlatWriteDynamicVarNode:
2955 generateFlatWriteDynamicVarNode(fm, lb, (FlatWriteDynamicVarNode)fn, output);
2958 case FKind.FlatGlobalConvNode:
2959 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
2962 case FKind.FlatTagDeclaration:
2963 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
2966 case FKind.FlatCall:
2967 generateFlatCall(fm, lb, (FlatCall) fn,output);
2970 case FKind.FlatFieldNode:
2971 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
2974 case FKind.FlatElementNode:
2975 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
2978 case FKind.FlatSetElementNode:
2979 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
2982 case FKind.FlatSetFieldNode:
2983 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
2987 generateFlatNew(fm, lb, (FlatNew) fn,output);
2990 case FKind.FlatOpNode:
2991 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
2994 case FKind.FlatCastNode:
2995 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
2998 case FKind.FlatLiteralNode:
2999 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
3002 case FKind.FlatReturnNode:
3003 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
3007 output.println("/* nop */");
3010 case FKind.FlatExit:
3011 output.println("/* exit */");
3014 case FKind.FlatBackEdge:
3015 if (state.SINGLETM&&state.SANDBOX&&(locality.getAtomic(lb).get(fn).intValue()>0)) {
3016 output.println("if (unlikely((--transaction_check_counter)<=0)) checkObjects();");
3018 if(state.DSM&&state.SANDBOX&&(locality.getAtomic(lb).get(fn).intValue()>0)) {
3019 output.println("if (unlikely((--transaction_check_counter)<=0)) checkObjects();");
3021 if (((state.MLP|| state.OOOJAVA||state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC)
3022 || (this.state.MULTICOREGC)) {
3023 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
3024 output.println("if (needtocollect) checkcollect2("+localsprefixaddr+");");
3025 } else if(this.state.MULTICOREGC) {
3026 output.println("if (gcflag) gc("+localsprefixaddr+");");
3028 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
3031 output.println("/* nop */");
3034 case FKind.FlatCheckNode:
3035 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
3038 case FKind.FlatFlagActionNode:
3039 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
3042 case FKind.FlatPrefetchNode:
3043 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
3046 case FKind.FlatOffsetNode:
3047 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
3054 // insert post-node actions from the code-plan
3057 CodePlan cp = mlpa.getCodePlan( fn );
3065 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
3066 output.println("/* FlatOffsetNode */");
3067 FieldDescriptor fd=fofn.getField();
3068 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+");");
3069 output.println("/* offset */");
3072 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
3073 if (state.PREFETCH) {
3074 Vector oids = new Vector();
3075 Vector fieldoffset = new Vector();
3076 Vector endoffset = new Vector();
3077 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
3078 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
3079 PrefetchPair pp = (PrefetchPair) it.next();
3080 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
3081 /* Find prefetches that can generate oid */
3082 if(statusbase == LocalityAnalysis.GLOBAL) {
3083 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
3085 } else if (statusbase == LocalityAnalysis.LOCAL) {
3086 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
3093 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
3094 output.println("{");
3095 output.println("/* prefetch */");
3096 output.println("/* prefetchid_" + fpn.siteid + " */");
3097 output.println("void * prefptr;");
3098 output.println("int tmpindex;");
3100 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
3101 /*Create C code for oid array */
3102 output.print(" unsigned int oidarray_[] = {");
3103 boolean needcomma=false;
3104 for (Iterator it = oids.iterator(); it.hasNext();) {
3107 output.print(it.next());
3110 output.println("};");
3112 /*Create C code for endoffset values */
3113 output.print(" unsigned short endoffsetarry_[] = {");
3115 for (Iterator it = endoffset.iterator(); it.hasNext();) {
3118 output.print(it.next());
3121 output.println("};");
3123 /*Create C code for Field Offset Values */
3124 output.print(" short fieldarry_[] = {");
3126 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
3129 output.print(it.next());
3132 output.println("};");
3133 /* make the prefetch call to Runtime */
3134 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
3135 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
3136 output.println(" }");
3137 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
3138 output.println(" } else {");
3139 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
3140 output.println(" }");
3141 output.println("}");
3145 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
3146 short offsetcount = 0;
3150 } else if (localbase) {
3151 for(; breakindex<pp.desc.size(); breakindex++) {
3152 Descriptor desc=pp.getDescAt(breakindex);
3153 if (desc instanceof FieldDescriptor) {
3154 FieldDescriptor fd=(FieldDescriptor)desc;
3155 if (fd.isGlobal()) {
3163 if (breakindex>pp.desc.size()) //all local
3166 TypeDescriptor lasttype=pp.base.getType();
3167 String basestr=generateTemp(fm, pp.base, lb);
3169 boolean maybenull=fm.getMethod().isStatic()||
3170 !pp.base.equals(fm.getParameter(0));
3172 for(int i=0; i<breakindex; i++) {
3173 String indexcheck="";
3175 Descriptor desc=pp.getDescAt(i);
3176 if (desc instanceof FieldDescriptor) {
3177 FieldDescriptor fd=(FieldDescriptor)desc;
3179 if (!teststr.equals(""))
3181 teststr+="((prefptr="+basestr+")!=NULL)";
3182 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
3184 basestr=basestr+"->"+fd.getSafeSymbol();
3187 lasttype=fd.getType();
3189 IndexDescriptor id=(IndexDescriptor)desc;
3190 indexcheck="((tmpindex=";
3191 for(int j=0; j<id.tddesc.size(); j++) {
3192 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
3194 indexcheck+=id.offset+")>=0)&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
3196 if (!teststr.equals(""))
3198 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
3199 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
3201 lasttype=lasttype.dereference();
3206 if (teststr.equals("")) {
3207 oid="((unsigned int)"+basestr+")";
3209 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
3213 for(int i = breakindex; i < pp.desc.size(); i++) {
3214 String newfieldoffset;
3215 Object desc = pp.getDescAt(i);
3216 if(desc instanceof FieldDescriptor) {
3217 FieldDescriptor fd=(FieldDescriptor)desc;
3218 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
3219 lasttype=fd.getType();
3221 newfieldoffset = "";
3222 IndexDescriptor id=(IndexDescriptor)desc;
3223 for(int j = 0; j < id.tddesc.size(); j++) {
3224 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
3226 newfieldoffset += id.offset.toString();
3227 lasttype=lasttype.dereference();
3229 fieldoffset.add(newfieldoffset);
3232 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
3233 base+=pp.desc.size()-breakindex;
3234 endoffset.add(new Short((short)base));
3239 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
3240 if (lb!=fgcn.getLocality())
3242 /* Have to generate flat globalconv */
3243 if (fgcn.getMakePtr()) {
3245 //DEBUG: output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+",\" "+fm+":"+fgcn+"\");");
3246 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
3248 if ((dc==null)||!state.READSET&&dc.getNeedTrans(lb, fgcn)||state.READSET&&dc.getNeedWriteTrans(lb, fgcn)) {
3249 //need to do translation
3250 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+", (void *)("+localsprefixaddr+"));");
3251 } else if (state.READSET&&dc.getNeedTrans(lb, fgcn)) {
3252 if (state.HYBRID&&delaycomp.getConv(lb).contains(fgcn)) {
3253 output.println("TRANSREADRDFISSION("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+");");
3255 output.println("TRANSREADRD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+");");
3259 /* Need to convert to OID */
3260 if ((dc==null)||dc.getNeedSrcTrans(lb,fgcn)) {
3261 if (fgcn.doConvert()||(delaycomp!=null&&delaycomp.needsFission(lb, fgcn.getAtomicEnter())&&atomicmethodmap.get(fgcn.getAtomicEnter()).reallivein.contains(fgcn.getSrc()))) {
3262 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
3264 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
3270 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
3272 if (fion.getType().isArray()) {
3273 type=state.getArrayNumber(fion.getType())+state.numClasses();
3275 type=fion.getType().getClassDesc().getId();
3278 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
3279 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
3281 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
3284 int sandboxcounter=0;
3285 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
3286 /* Check to see if we need to generate code for this atomic */
3287 if (locality==null) {
3288 if (GENERATEPRECISEGC) {
3289 output.println("if (pthread_mutex_trylock(&atomiclock)!=0) {");
3290 output.println("stopforgc((struct garbagelist *) &___locals___);");
3291 output.println("pthread_mutex_lock(&atomiclock);");
3292 output.println("restartaftergc();");
3293 output.println("}");
3295 output.println("pthread_mutex_lock(&atomiclock);");
3300 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
3304 if (state.SANDBOX) {
3305 outsandbox.println("int atomiccounter"+sandboxcounter+"=LOW_CHECK_FREQUENCY;");
3306 output.println("counter_reset_pointer=&atomiccounter"+sandboxcounter+";");
3309 if (state.DELAYCOMP&&delaycomp.needsFission(lb, faen)) {
3310 AtomicRecord ar=atomicmethodmap.get(faen);
3312 for(Iterator<TempDescriptor> tmpit=ar.livein.iterator();tmpit.hasNext();) {
3313 TempDescriptor tmp=tmpit.next();
3314 output.println("primitives_"+ar.name+"."+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
3317 //copy outs that depend on path
3318 for(Iterator<TempDescriptor> tmpit=ar.liveoutvirtualread.iterator();tmpit.hasNext();) {
3319 TempDescriptor tmp=tmpit.next();
3320 if (!ar.livein.contains(tmp))
3321 output.println("primitives_"+ar.name+"."+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
3325 /* Backup the temps. */
3326 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
3327 TempDescriptor tmp=tmpit.next();
3328 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
3331 output.println("goto transstart"+faen.getIdentifier()+";");
3333 /******* Print code to retry aborted transaction *******/
3334 output.println("transretry"+faen.getIdentifier()+":");
3337 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
3338 TempDescriptor tmp=tmpit.next();
3339 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
3343 /********* Need to revert local object store ********/
3344 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3346 output.println("while ("+revertptr+") {");
3347 output.println("struct ___Object___ * tmpptr;");
3348 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
3349 output.println("REVERT_OBJ("+revertptr+");");
3350 output.println(revertptr+"=tmpptr;");
3351 output.println("}");
3353 /******* Tell the runtime to start the transaction *******/
3355 output.println("transstart"+faen.getIdentifier()+":");
3356 if (state.SANDBOX) {
3357 output.println("transaction_check_counter=*counter_reset_pointer;");
3360 output.println("transStart();");
3362 if (state.ABORTREADERS||state.SANDBOX) {
3364 output.println("abortenabled=1;");
3365 output.println("if (_setjmp(aborttrans)) {");
3366 output.println(" goto transretry"+faen.getIdentifier()+"; }");
3370 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
3371 /* Check to see if we need to generate code for this atomic */
3372 if (locality==null) {
3373 output.println("pthread_mutex_unlock(&atomiclock);");
3376 if (locality.getAtomic(lb).get(faen).intValue()>0)
3378 //store the revert list before we lose the transaction object
3381 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3382 output.println(revertptr+"=revertlist;");
3383 output.println("if (transCommit()) {");
3384 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
3385 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
3386 output.println("} else {");
3387 /* Need to commit local object store */
3388 output.println("while ("+revertptr+") {");
3389 output.println("struct ___Object___ * tmpptr;");
3390 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
3391 output.println("COMMIT_OBJ("+revertptr+");");
3392 output.println(revertptr+"=tmpptr;");
3393 output.println("}");
3394 output.println("}");
3398 if (!state.DELAYCOMP) {
3400 output.println("if (transCommit()) {");
3401 /* Transaction aborts if it returns true */
3402 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
3403 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
3404 output.println("}");
3406 if (delaycomp.optimizeTrans(lb, faen.getAtomicEnter())&&(!state.STMARRAY||state.DUALVIEW)) {
3407 AtomicRecord ar=atomicmethodmap.get(faen.getAtomicEnter());
3408 output.println("LIGHTWEIGHTCOMMIT("+ar.name+", &primitives_"+ar.name+", &"+localsprefix+", "+paramsprefix+", transretry"+faen.getAtomicEnter().getIdentifier()+");");
3410 for(Iterator<TempDescriptor> tmpit=ar.liveout.iterator();tmpit.hasNext();) {
3411 TempDescriptor tmp=tmpit.next();
3412 output.println(tmp.getSafeSymbol()+"=primitives_"+ar.name+"."+tmp.getSafeSymbol()+";");
3414 } else if (delaycomp.needsFission(lb, faen.getAtomicEnter())) {
3415 AtomicRecord ar=atomicmethodmap.get(faen.getAtomicEnter());
3417 output.println("if (transCommit((void (*)(void *, void *, void *))&"+ar.name+", &primitives_"+ar.name+", &"+localsprefix+", "+paramsprefix+")) {");
3418 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
3419 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
3420 output.println("}");
3422 output.println("else {");
3423 for(Iterator<TempDescriptor> tmpit=ar.liveout.iterator();tmpit.hasNext();) {
3424 TempDescriptor tmp=tmpit.next();
3425 output.println(tmp.getSafeSymbol()+"=primitives_"+ar.name+"."+tmp.getSafeSymbol()+";");
3427 output.println("}");
3429 output.println("if (transCommit(NULL, NULL, NULL, NULL)) {");
3430 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
3431 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
3432 output.println("}");
3437 public void generateFlatSESEEnterNode( FlatMethod fm,
3439 FlatSESEEnterNode fsen,
3442 // if MLP flag is off, okay that SESE nodes are in IR graph,
3443 // just skip over them and code generates exactly the same
3444 if( !(state.MLP || state.OOOJAVA) ) {
3447 // there may be an SESE in an unreachable method, skip over
3448 if( (state.MLP && !mlpa.getAllSESEs().contains( fsen )) ||
3449 (state.OOOJAVA && !oooa.getAllSESEs().contains(fsen))
3454 // also, if we have encountered a placeholder, just skip it
3455 if( fsen.getIsCallerSESEplaceholder() ) {
3459 output.println(" {");
3461 // set up the parent
3462 if( (state.MLP && fsen == mlpa.getMainSESE()) ||
3463 (state.OOOJAVA && fsen == oooa.getMainSESE())
3465 output.println(" SESEcommon* parentCommon = NULL;");
3467 if( fsen.getParent() == null ) {
3468 System.out.println( "in "+fm+", "+fsen+" has null parent" );
3470 assert fsen.getParent() != null;
3471 if( !fsen.getParent().getIsCallerSESEplaceholder() ) {
3472 output.println(" SESEcommon* parentCommon = &("+paramsprefix+"->common);");
3474 //output.println(" SESEcommon* parentCommon = (SESEcommon*) peekItem( seseCallStack );");
3475 output.println(" SESEcommon* parentCommon = seseCaller;");
3479 // before doing anything, lock your own record and increment the running children
3480 if( (state.MLP && fsen != mlpa.getMainSESE()) ||
3481 (state.OOOJAVA && fsen != oooa.getMainSESE())
3483 output.println(" atomic_inc(&parentCommon->numRunningChildren);");
3486 // just allocate the space for this record
3487 output.println(" "+fsen.getSESErecordName()+"* seseToIssue = ("+
3488 fsen.getSESErecordName()+"*) mlpAllocSESErecord( sizeof( "+
3489 fsen.getSESErecordName()+" ) );");
3490 //eomgc need to set next, size
3491 // output.println(" struct garbagelist * gl= (struct garbagelist *)&(((SESEcommon*)(seseToIssue))[1]);");
3492 output.println(" struct garbagelist * gl= (struct garbagelist *)&(((SESEcommon*)(seseToIssue))[1]);");
3493 // sizeof(int)*2 + sizeof(void*)*calculateSizeOfSESEParamList(fsen)
3494 //output.println(" // sizeof(int)*2+sizeof(void*)*"+calculateSizeOfSESEParamList(fsen));
3495 //output.println(" // blah="+calculateSizeOfSESEParamSize(fsen));
3496 output.println(" (seseToIssue->common).offsetsize=sizeof(int)+sizeof(void*)+sizeof(void*)*"+calculateSizeOfSESEParamList(fsen)+calculateSizeOfSESEParamSize(fsen)+";");
3497 output.println(" gl->size="+calculateSizeOfSESEParamList(fsen)+";");
3498 // output.println(" gl->next = (struct garbagelist *)&___locals___;");
3499 output.println(" seseToIssue->prevSESECount="+calculatePrevSESECount(fsen)+";");
3500 // output.println(" seseToIssue->prevSESECount=50;");
3501 output.println(" gl->next = NULL;");
3502 // output.println(" seseToIssue->size = "+calculateSizeOfSESEParamList(fsen)+";");
3503 // output.println(" seseToIssue->next = &___locals___;");
3506 // and keep the thread-local sese stack up to date
3507 //output.println(" addNewItem( seseCallStack, (void*) seseToIssue);");
3509 // fill in common data
3510 output.println(" int localCount=0;");
3511 output.println(" seseToIssue->common.classID = "+fsen.getIdentifier()+";");
3512 output.println(" psem_init( &(seseToIssue->common.stallSem) );");
3514 output.println(" seseToIssue->common.forwardList = createQueue();");
3515 output.println(" seseToIssue->common.unresolvedDependencies = 10000;");
3516 output.println(" pthread_cond_init( &(seseToIssue->common.doneCond), NULL );");
3517 output.println(" seseToIssue->common.doneExecuting = FALSE;");
3518 output.println(" pthread_cond_init( &(seseToIssue->common.runningChildrenCond), NULL );");
3519 output.println(" seseToIssue->common.numRunningChildren = 0;");
3520 output.println(" seseToIssue->common.parent = parentCommon;");
3522 // all READY in-vars should be copied now and be done with it
3523 Iterator<TempDescriptor> tempItr = fsen.getReadyInVarSet().iterator();
3524 while( tempItr.hasNext() ) {
3525 TempDescriptor temp = tempItr.next();
3527 // when we are issuing the main SESE or an SESE with placeholder
3528 // caller SESE as parent, generate temp child child's eclosing method,
3529 // otherwise use the parent's enclosing method as the context
3530 boolean useParentContext = false;
3532 if( (state.MLP && fsen != mlpa.getMainSESE()) ||
3533 (state.OOOJAVA && fsen != oooa.getMainSESE())
3535 assert fsen.getParent() != null;
3536 if( !fsen.getParent().getIsCallerSESEplaceholder() ) {
3537 useParentContext = true;
3541 if( useParentContext ) {
3542 output.println(" seseToIssue->"+temp+" = "+
3543 generateTemp( fsen.getParent().getfmBogus(), temp, null )+";");
3545 output.println(" seseToIssue->"+temp+" = "+
3546 generateTemp( fsen.getfmEnclosing(), temp, null )+";");
3550 // before potentially adding this SESE to other forwarding lists,
3551 // create it's lock and take it immediately
3552 output.println(" pthread_mutex_init( &(seseToIssue->common.lock), NULL );");
3553 // output.println(" pthread_mutex_lock( &(seseToIssue->common.lock) );");
3555 if( (state.MLP && fsen != mlpa.getMainSESE()) ||
3556 (state.OOOJAVA && fsen != oooa.getMainSESE())
3558 // count up outstanding dependencies, static first, then dynamic
3559 Iterator<SESEandAgePair> staticSrcsItr = fsen.getStaticInVarSrcs().iterator();
3560 while( staticSrcsItr.hasNext() ) {
3561 SESEandAgePair srcPair = staticSrcsItr.next();
3562 output.println(" {");
3563 output.println(" SESEcommon* src = (SESEcommon*)"+srcPair+";");
3565 if(GENERATEPRECISEGC){
3566 output.println(" stopforgc((struct garbagelist *)&___locals___);");
3568 output.println(" pthread_mutex_lock( &(src->lock) );");
3569 if(GENERATEPRECISEGC){
3570 output.println(" restartaftergc();");
3572 output.println(" if( !isEmpty( src->forwardList ) &&");
3573 output.println(" seseToIssue == peekItem( src->forwardList ) ) {");
3574 output.println(" printf( \"This shouldnt already be here\\n\");");
3575 output.println(" exit( -1 );");
3576 output.println(" }");
3577 output.println(" if( !src->doneExecuting ) {");
3578 output.println(" addNewItem( src->forwardList, seseToIssue );");
3579 // output.println(" ++(seseToIssue->common.unresolvedDependencies);");
3580 output.println(" ++(localCount);");
3581 output.println(" }");
3582 output.println(" pthread_mutex_unlock( &(src->lock) );");
3583 output.println(" }");
3585 // whether or not it is an outstanding dependency, make sure
3586 // to pass the static name to the child's record
3587 output.println(" seseToIssue->"+srcPair+" = "+srcPair+";");
3590 // dynamic sources might already be accounted for in the static list,
3591 // so only add them to forwarding lists if they're not already there
3592 Iterator<TempDescriptor> dynVarsItr = fsen.getDynamicInVarSet().iterator();
3593 while( dynVarsItr.hasNext() ) {
3594 TempDescriptor dynInVar = dynVarsItr.next();
3595 output.println(" {");
3596 output.println(" SESEcommon* src = (SESEcommon*)"+dynInVar+"_srcSESE;");
3598 // the dynamic source is NULL if it comes from your own space--you can't pass
3599 // the address off to the new child, because you're not done executing and
3600 // might change the variable, so copy it right now
3601 output.println(" if( src != NULL ) {");
3603 if(GENERATEPRECISEGC){
3604 output.println(" stopforgc((struct garbagelist *)&___locals___);");
3606 output.println(" pthread_mutex_lock( &(src->lock) );");
3607 if(GENERATEPRECISEGC){
3608 output.println(" restartaftergc();");
3610 output.println(" if( isEmpty( src->forwardList ) ||");
3611 output.println(" seseToIssue != peekItem( src->forwardList ) ) {");
3612 output.println(" if( !src->doneExecuting ) {");
3613 output.println(" addNewItem( src->forwardList, seseToIssue );");
3614 // output.println(" ++(seseToIssue->common.unresolvedDependencies);");
3615 output.println(" ++(localCount);");
3616 output.println(" }");
3617 output.println(" }");
3618 output.println(" pthread_mutex_unlock( &(src->lock) );");
3619 output.println(" seseToIssue->"+dynInVar+"_srcOffset = "+dynInVar+"_srcOffset;");
3620 output.println(" } else {");
3622 boolean useParentContext = false;
3623 if( (state.MLP && fsen != mlpa.getMainSESE()) ||
3624 (state.OOOJAVA && fsen != oooa.getMainSESE())
3626 assert fsen.getParent() != null;
3627 if( !fsen.getParent().getIsCallerSESEplaceholder() ) {
3628 useParentContext = true;
3631 if( useParentContext ) {
3632 output.println(" seseToIssue->"+dynInVar+" = "+
3633 generateTemp( fsen.getParent().getfmBogus(), dynInVar, null )+";");
3635 output.println(" seseToIssue->"+dynInVar+" = "+
3636 generateTemp( fsen.getfmEnclosing(), dynInVar, null )+";");
3639 output.println(" }");
3640 output.println(" }");
3642 // even if the value is already copied, make sure your NULL source
3643 // gets passed so child knows it already has the dynamic value
3644 output.println(" seseToIssue->"+dynInVar+"_srcSESE = "+dynInVar+"_srcSESE;");
3647 // maintain pointers for finding dynamic SESE
3648 // instances from static names
3649 SESEandAgePair pair = new SESEandAgePair( fsen, 0 );
3650 if( fsen.getParent() != null &&
3651 //!fsen.getParent().getIsCallerSESEplaceholder() &&
3652 fsen.getParent().getNeededStaticNames().contains( pair )
3655 for( int i = fsen.getOldestAgeToTrack(); i > 0; --i ) {
3656 SESEandAgePair pair1 = new SESEandAgePair( fsen, i );
3657 SESEandAgePair pair2 = new SESEandAgePair( fsen, i-1 );
3658 output.println(" "+pair1+" = "+pair2+";");
3660 output.println(" "+pair+" = seseToIssue;");
3664 // count up memory conflict dependencies,
3668 FlatSESEEnterNode parent = fsen.getParent();
3669 Analysis.OoOJava.ConflictGraph graph = oooa.getConflictGraph(parent);
3670 if (graph != null && graph.hasConflictEdge()) {
3671 Set<Analysis.OoOJava.SESELock> seseLockSet = oooa.getLockMappings(graph);
3673 output.println(" //add memory queue element");
3674 Analysis.OoOJava.SESEWaitingQueue seseWaitingQueue=
3675 graph.getWaitingElementSetBySESEID(fsen.getIdentifier(), seseLockSet);
3676 if(seseWaitingQueue.getWaitingElementSize()>0){
3677 output.println(" {");
3678 output.println(" REntry* rentry=NULL;");
3679 output.println(" INTPTR* pointer=NULL;");
3680 output.println(" seseToIssue->common.rentryIdx=0;");
3682 Set<Integer> queueIDSet=seseWaitingQueue.getQueueIDSet();
3683 for (Iterator iterator = queueIDSet.iterator(); iterator
3685 Integer key = (Integer) iterator.next();
3686 int queueID=key.intValue();
3687 Set<Analysis.OoOJava.WaitingElement> waitingQueueSet =
3688 seseWaitingQueue.getWaitingElementSet(queueID);
3689 int enqueueType=seseWaitingQueue.getType(queueID);
3690 if(enqueueType==SESEWaitingQueue.EXCEPTION){
3691 output.println(" INITIALIZEBUF(parentCommon->memoryQueueArray["
3694 for (Iterator iterator2 = waitingQueueSet.iterator(); iterator2
3696 Analysis.OoOJava.WaitingElement waitingElement
3697 = (Analysis.OoOJava.WaitingElement) iterator2.next();
3698 if (waitingElement.getStatus() >= ConflictNode.COARSE) {
3699 output.println(" rentry=mlpCreateREntry("
3700 + waitingElement.getStatus()
3701 + ", seseToIssue);");
3703 TempDescriptor td = waitingElement
3705 // decide whether waiting element is dynamic or static
3706 if (fsen.getDynamicInVarSet().contains(td)) {
3707 // dynamic in-var case
3708 output.println(" pointer=seseToIssue->"
3709 + waitingElement.getDynID()
3710 + "_srcSESE+seseToIssue->"
3711 + waitingElement.getDynID()
3714 .println(" rentry=mlpCreateFineREntry("
3717 + ", seseToIssue, pointer );");
3718 } else if (fsen.getStaticInVarSet()
3720 // static in-var case
3721 VariableSourceToken vst = fsen
3722 .getStaticInVarSrc(td);
3725 String srcId = "SESE_"
3727 .getPrettyIdentifier()
3728 + vst.getSESE().getIdentifier()
3729 + "_" + vst.getAge();
3731 .println(" pointer=(void*)&seseToIssue->"
3738 .println(" rentry=mlpCreateFineREntry("
3741 + ", seseToIssue, pointer );");
3746 .println(" rentry=mlpCreateFineREntry("
3749 + ", seseToIssue, (void*)&seseToIssue->"
3750 + waitingElement.getDynID()
3755 .println(" rentry->queue=parentCommon->memoryQueueArray["
3756 + waitingElement.getQueueID()
3759 if(enqueueType==SESEWaitingQueue.NORMAL){
3761 .println(" seseToIssue->common.rentryArray[seseToIssue->common.rentryIdx++]=rentry;");
3763 .println(" if(ADDRENTRY(parentCommon->memoryQueueArray["
3764 + waitingElement.getQueueID()
3765 + "],rentry)==NOTREADY){");
3766 output.println(" ++(localCount);");
3767 output.println(" }");
3770 .println(" ADDRENTRYTOBUF(parentCommon->memoryQueueArray["
3771 + waitingElement.getQueueID()
3775 if(enqueueType!=SESEWaitingQueue.NORMAL){
3776 output.println(" localCount+=RESOLVEBUF(parentCommon->memoryQueueArray["
3777 + queueID+ "],&seseToIssue->common);");
3780 output.println(" }");
3786 ConflictGraph graph = null;
3787 FlatSESEEnterNode parent = fsen.getParent();
3788 if (parent != null) {
3789 if (parent.isCallerSESEplaceholder) {
3790 graph = mlpa.getConflictGraphResults().get(parent.getfmEnclosing());
3792 graph = mlpa.getConflictGraphResults().get(parent);
3795 if (graph != null && graph.hasConflictEdge()) {
3796 HashSet<SESELock> seseLockSet = mlpa.getConflictGraphLockMap()
3799 output.println(" //add memory queue element");
3800 SESEWaitingQueue seseWaitingQueue=graph.getWaitingElementSetBySESEID(fsen.getIdentifier(),
3802 if(seseWaitingQueue.getWaitingElementSize()>0){
3803 output.println(" {");
3804 output.println(" REntry* rentry=NULL;");
3805 output.println(" INTPTR* pointer=NULL;");
3806 output.println(" seseToIssue->common.rentryIdx=0;");
3808 Set<Integer> queueIDSet=seseWaitingQueue.getQueueIDSet();
3809 for (Iterator iterator = queueIDSet.iterator(); iterator
3811 Integer key = (Integer) iterator.next();
3812 int queueID=key.intValue();
3813 Set<WaitingElement> waitingQueueSet = seseWaitingQueue.getWaitingElementSet(queueID);
3814 int enqueueType=seseWaitingQueue.getType(queueID);
3815 if(enqueueType==SESEWaitingQueue.EXCEPTION){
3816 output.println(" INITIALIZEBUF(parentCommon->memoryQueueArray["
3819 for (Iterator iterator2 = waitingQueueSet.iterator(); iterator2
3821 WaitingElement waitingElement = (WaitingElement) iterator2
3823 if (waitingElement.getStatus() >= ConflictNode.COARSE) {
3824 output.println(" rentry=mlpCreateREntry("
3825 + waitingElement.getStatus()
3826 + ", seseToIssue);");
3828 TempDescriptor td = waitingElement
3830 // decide whether waiting element is dynamic or
3832 if (fsen.getDynamicInVarSet().contains(td)) {
3833 // dynamic in-var case
3834 output.println(" pointer=seseToIssue->"
3835 + waitingElement.getDynID()
3836 + "_srcSESE+seseToIssue->"
3837 + waitingElement.getDynID()
3840 .println(" rentry=mlpCreateFineREntry("
3843 + ", seseToIssue, pointer );");
3844 } else if (fsen.getStaticInVarSet()
3846 // static in-var case
3847 VariableSourceToken vst = fsen
3848 .getStaticInVarSrc(td);
3851 String srcId = "SESE_"
3853 .getPrettyIdentifier()
3854 + vst.getSESE().getIdentifier()
3855 + "_" + vst.getAge();
3857 .println(" pointer=(void*)&seseToIssue->"
3864 .println(" rentry=mlpCreateFineREntry("
3867 + ", seseToIssue, pointer );");
3872 .println(" rentry=mlpCreateFineREntry("
3875 + ", seseToIssue, (void*)&seseToIssue->"
3876 + waitingElement.getDynID()
3881 .println(" rentry->queue=parentCommon->memoryQueueArray["
3882 + waitingElement.getQueueID()
3885 if(enqueueType==SESEWaitingQueue.NORMAL){
3887 .println(" seseToIssue->common.rentryArray[seseToIssue->common.rentryIdx++]=rentry;");
3889 .println(" if(ADDRENTRY(parentCommon->memoryQueueArray["
3890 + waitingElement.getQueueID()
3891 + "],rentry)==NOTREADY){");
3892 output.println(" ++(localCount);");
3893 output.println(" } ");
3896 .println(" ADDRENTRYTOBUF(parentCommon->memoryQueueArray["
3897 + waitingElement.getQueueID()
3901 if(enqueueType!=SESEWaitingQueue.NORMAL){
3902 output.println(" localCount+=RESOLVEBUF(parentCommon->memoryQueueArray["
3903 + queueID+ "],&seseToIssue->common);");
3906 output.println(" }");
3914 // release this SESE for siblings to update its dependencies or,
3915 // eventually, for it to mark itself finished
3916 // output.println(" pthread_mutex_unlock( &(seseToIssue->common.lock) );");
3918 // if there were no outstanding dependencies, issue here
3919 output.println(" if( atomic_sub_and_test(10000-localCount,&(seseToIssue->common.unresolvedDependencies) ) ) {");
3920 output.println(" workScheduleSubmit( (void*)seseToIssue );");
3921 output.println(" }");
3923 output.println(" if( seseToIssue->common.unresolvedDependencies == 0 ) {");
3924 output.println(" workScheduleSubmit( (void*)seseToIssue );");
3925 output.println(" }");
3927 // release this SESE for siblings to update its dependencies or,
3928 // eventually, for it to mark itself finished
3929 // output.println(" pthread_mutex_unlock( &(seseToIssue->common.lock) );");
3930 output.println(" }");
3934 public void generateFlatSESEExitNode( FlatMethod fm,
3936 FlatSESEExitNode fsexn,
3940 // if MLP flag is off, okay that SESE nodes are in IR graph,
3941 // just skip over them and code generates exactly the same
3942 if( ! (state.MLP || state.OOOJAVA) ) {
3946 // get the enter node for this exit that has meta data embedded
3947 FlatSESEEnterNode fsen = fsexn.getFlatEnter();
3949 // there may be an SESE in an unreachable method, skip over
3950 if( (state.MLP && !mlpa.getAllSESEs().contains( fsen )) ||
3951 (state.OOOJAVA && !oooa.getAllSESEs().contains( fsen ))
3956 // also, if we have encountered a placeholder, just jump it
3957 if( fsen.getIsCallerSESEplaceholder() ) {
3961 output.println(" /* SESE exiting */");
3963 String com = paramsprefix+"->common";
3965 // this SESE cannot be done until all of its children are done
3966 // so grab your own lock with the condition variable for watching
3967 // that the number of your running children is greater than zero
3968 if (GENERATEPRECISEGC){
3969 output.println(" stopforgc((struct garbagelist *)&___locals___);");
3971 output.println(" pthread_mutex_lock( &("+com+".lock) );");
3972 if (GENERATEPRECISEGC){
3973 output.println(" restartaftergc();");
3975 output.println(" while( "+com+".numRunningChildren > 0 ) {");
3976 if (GENERATEPRECISEGC){
3977 // output.println(" stopforgc((struct garbagelist *)&(((SESEcommon*)(___params___))[1]));");
3978 output.println(" stopforgc((struct garbagelist *)&___locals___);");
3980 output.println(" pthread_cond_wait( &("+com+".runningChildrenCond), &("+com+".lock) );");
3981 if (GENERATEPRECISEGC){
3982 output.println(" restartaftergc();");
3984 output.println(" }");
3987 // copy out-set from local temps into the sese record
3988 Iterator<TempDescriptor> itr = fsen.getOutVarSet().iterator();
3989 while( itr.hasNext() ) {
3990 TempDescriptor temp = itr.next();
3992 // only have to do this for primitives non-arrays
3994 temp.getType().isPrimitive() && !temp.getType().isArray()
4000 // have to determine the context enclosing this sese
4001 boolean useParentContext = false;
4003 if( (state.MLP &&fsen != mlpa.getMainSESE()) ||
4004 (state.OOOJAVA &&fsen != oooa.getMainSESE())
4006 assert fsen.getParent() != null;
4007 if( !fsen.getParent().getIsCallerSESEplaceholder() ) {
4008 useParentContext = true;
4013 if( useParentContext ) {
4014 from = generateTemp( fsen.getParent().getfmBogus(), temp, null );
4016 from = generateTemp( fsen.getfmEnclosing(), temp, null );
4019 output.println(" "+paramsprefix+
4020 "->"+temp.getSafeSymbol()+
4024 // mark yourself done, your SESE data is now read-only
4025 output.println(" "+com+".doneExecuting = TRUE;");
4026 output.println(" pthread_cond_signal( &("+com+".doneCond) );");
4027 output.println(" pthread_mutex_unlock( &("+com+".lock) );");
4029 // decrement dependency count for all SESE's on your forwarding list
4030 output.println(" while( !isEmpty( "+com+".forwardList ) ) {");
4031 output.println(" SESEcommon* consumer = (SESEcommon*) getItem( "+com+".forwardList );");
4034 output.println(" if(consumer->rentryIdx>0){");
4035 output.println(" // resolved null pointer");
4036 output.println(" int idx;");
4037 output.println(" for(idx=0;idx<consumer->rentryIdx;idx++){");
4038 output.println(" resolvePointer(consumer->rentryArray[idx]);");
4039 output.println(" }");
4040 output.println(" }");
4043 // output.println(" pthread_mutex_lock( &(consumer->lock) );");
4044 // output.println(" --(consumer->unresolvedDependencies);");
4045 // output.println(" if( consumer->unresolvedDependencies == 0 ) {");
4046 output.println(" if( atomic_sub_and_test(1, &(consumer->unresolvedDependencies)) ){");
4047 output.println(" workScheduleSubmit( (void*)consumer );");
4048 output.println(" }");
4049 // output.println(" pthread_mutex_unlock( &(consumer->lock) );");
4050 output.println(" }");
4054 // clean up its lock element from waiting queue, and decrement dependency count for next SESE block
4055 if( (state.MLP && fsen != mlpa.getMainSESE()) ||
4056 (state.OOOJAVA && fsen != oooa.getMainSESE())
4060 output.println(" /* check memory dependency*/");
4061 output.println(" {");
4062 output.println(" int idx;");
4063 output.println(" for(idx=0;idx<___params___->common.rentryIdx;idx++){");
4064 output.println(" REntry* re=___params___->common.rentryArray[idx];");
4065 output.println(" RETIRERENTRY(re->queue,re);");
4066 output.println(" }");
4067 output.println(" }");
4071 // if parent is stalling on you, let them know you're done
4072 if( (state.MLP && fsexn.getFlatEnter() != mlpa.getMainSESE()) ||
4073 (state.OOOJAVA && fsexn.getFlatEnter() != oooa.getMainSESE())
4075 output.println(" psem_give( &("+paramsprefix+"->common.stallSem) );");
4078 // last of all, decrement your parent's number of running children
4079 output.println(" if( "+paramsprefix+"->common.parent != NULL ) {");
4080 output.println(" if (atomic_sub_and_test(1, &"+paramsprefix+"->common.parent->numRunningChildren)) {");
4081 if (GENERATEPRECISEGC){
4082 output.println(" stopforgc((struct garbagelist *)&___locals___);");
4084 output.println(" pthread_mutex_lock( &("+paramsprefix+"->common.parent->lock) );");
4085 if (GENERATEPRECISEGC){
4086 output.println(" restartaftergc();");
4088 output.println(" pthread_cond_signal( &("+paramsprefix+"->common.parent->runningChildrenCond) );");
4089 output.println(" pthread_mutex_unlock( &("+paramsprefix+"->common.parent->lock) );");
4090 output.println(" }");
4091 output.println(" }");
4093 // this is a thread-only variable that can be handled when critical sese-to-sese
4094 // data has been taken care of--set sese pointer to remember self over method
4095 // calls to a non-zero, invalid address
4096 output.println(" seseCaller = (SESEcommon*) 0x1;");
4100 public void generateFlatWriteDynamicVarNode( FlatMethod fm,
4102 FlatWriteDynamicVarNode fwdvn,
4105 if( !(state.MLP || state.OOOJAVA) ) {
4106 // should node should not be in an IR graph if the
4107 // MLP flag is not set
4108 throw new Error("Unexpected presence of FlatWriteDynamicVarNode");
4111 Hashtable<TempDescriptor, VSTWrapper> writeDynamic = fwdvn.getVar2src();
4113 assert writeDynamic != null;
4115 Iterator wdItr = writeDynamic.entrySet().iterator();
4116 while( wdItr.hasNext() ) {
4117 Map.Entry me = (Map.Entry) wdItr.next();
4118 TempDescriptor refVar = (TempDescriptor) me.getKey();
4119 VSTWrapper vstW = (VSTWrapper) me.getValue();
4120 VariableSourceToken vst = vstW.vst;
4123 // only do this if the variable in question should be tracked,
4124 // meaning that it was explicitly added to the dynamic var set
4125 if( !current.getDynamicVarSet().contains( vst.getAddrVar() ) ) {
4131 // if there is no given source, this variable is ready so
4132 // mark src pointer NULL to signify that the var is up-to-date
4133 output.println(" "+refVar+"_srcSESE = NULL;");
4137 // otherwise we track where it will come from
4138 SESEandAgePair instance = new SESEandAgePair( vst.getSESE(), vst.getAge() );
4139 output.println(" "+refVar+"_srcSESE = "+instance+";");
4140 output.println(" "+refVar+"_srcOffset = (int) &((("+
4141 vst.getSESE().getSESErecordName()+"*)0)->"+vst.getAddrVar()+");");
4146 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
4147 if (state.CONSCHECK) {
4148 String specname=fcn.getSpec();
4149 String varname="repairstate___";
4150 output.println("{");
4151 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
4153 TempDescriptor[] temps=fcn.getTemps();
4154 String[] vars=fcn.getVars();
4155 for(int i=0; i<temps.length; i++) {
4156 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
4159 output.println("if (doanalysis"+specname+"("+varname+")) {");
4160 output.println("free"+specname+"_state("+varname+");");
4161 output.println("} else {");
4162 output.println("/* Bad invariant */");
4163 output.println("free"+specname+"_state("+varname+");");
4164 output.println("abort_task();");
4165 output.println("}");
4166 output.println("}");
4170 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
4172 if( (state.MLP && !nonSESEpass) ||
4173 (state.OOOJAVA && !nonSESEpass)
4175 output.println(" seseCaller = (SESEcommon*)"+paramsprefix+";");
4178 MethodDescriptor md=fc.getMethod();
4179 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? locality.getBinding(lb, fc) : md);
4180 ClassDescriptor cn=md.getClassDesc();
4181 output.println("{");
4182 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
4184 LocalityBinding fclb=locality.getBinding(lb, fc);
4185 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
4187 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
4188 output.print(objectparams.numPointers());
4189 output.print(", "+localsprefixaddr);
4190 if (md.getThis()!=null) {
4192 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
4194 if (fc.getThis()!=null&&md.getThis()==null) {
4195 System.out.println("WARNING!!!!!!!!!!!!");
4196 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
4200 for(int i=0; i<fc.numArgs(); i++) {
4201 Descriptor var=md.getParameter(i);
4202 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
4203 if (objectparams.isParamPtr(paramtemp)) {
4204 TempDescriptor targ=fc.getArg(i);
4206 TypeDescriptor td=md.getParamType(i);
4208 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
4210 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
4213 output.println("};");
4218 if (fc.getReturnTemp()!=null)
4219 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
4221 /* Do we need to do virtual dispatch? */
4222 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
4225 LocalityBinding fclb=locality.getBinding(lb, fc);
4226 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
4228 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
4233 if (md.getReturnType().isClass()||md.getReturnType().isArray())
4234 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
4236 output.print(md.getReturnType().getSafeSymbol()+" ");
4237 output.print("(*)(");
4239 boolean printcomma=false;
4240 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
4242 LocalityBinding fclb=locality.getBinding(lb, fc);
4243 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
4245 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
4249 for(int i=0; i<objectparams.numPrimitives(); i++) {
4250 TempDescriptor temp=objectparams.getPrimitive(i);
4254 if (temp.getType().isClass()||temp.getType().isArray())
4255 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
4257 output.print(temp.getType().getSafeSymbol());
4262 LocalityBinding fclb=locality.getBinding(lb, fc);
4263 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
4265 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
4269 boolean needcomma=false;
4270 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
4271 output.print("&__parameterlist__");
4275 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
4276 if (fc.getThis()!=null) {
4277 TypeDescriptor ptd=md.getThis().getType();
4280 if (ptd.isClass()&&!ptd.isArray())
4281 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
4282 output.print(generateTemp(fm,fc.getThis(),lb));
4287 for(int i=0; i<fc.numArgs(); i++) {
4288 Descriptor var=md.getParameter(i);
4289 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
4290 if (objectparams.isParamPrim(paramtemp)) {
4291 TempDescriptor targ=fc.getArg(i);
4295 TypeDescriptor ptd=md.getParamType(i);
4296 if (ptd.isClass()&&!ptd.isArray())
4297 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
4298 output.print(generateTemp(fm, targ,lb));
4302 output.println(");");
4303 output.println(" }");
4306 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
4307 Set subclasses=typeutil.getSubClasses(thiscd);
4308 if (subclasses==null)
4310 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
4311 ClassDescriptor cd=(ClassDescriptor)classit.next();
4312 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
4313 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
4314 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
4315 if (md.matches(matchmd))
4322 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
4323 if (state.SINGLETM) {
4324 //single machine transactional memory case
4325 String field=ffn.getField().getSafeSymbol();
4326 String src=generateTemp(fm, ffn.getSrc(),lb);
4327 String dst=generateTemp(fm, ffn.getDst(),lb);
4329 output.println(dst+"="+ src +"->"+field+ ";");
4330 if (ffn.getField().getType().isPtr()&&locality.getAtomic(lb).get(ffn).intValue()>0&&
4331 locality.getNodePreTempInfo(lb, ffn).get(ffn.getSrc())!=LocalityAnalysis.SCRATCH) {
4332 if ((dc==null)||(!state.READSET&&dc.getNeedTrans(lb, ffn))||
4333 (state.READSET&&dc.getNeedWriteTrans(lb, ffn))) {
4334 output.println("TRANSREAD("+dst+", "+dst+", (void *) (" + localsprefixaddr + "));");
4335 } else if (state.READSET&&dc.getNeedTrans(lb, ffn)) {
4336 if (state.HYBRID&&delaycomp.getConv(lb).contains(ffn)) {
4337 output.println("TRANSREADRDFISSION("+dst+", "+dst+");");
4339 output.println("TRANSREADRD("+dst+", "+dst+");");
4342 } else if (state.DSM) {
4343 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
4344 if (status==LocalityAnalysis.GLOBAL) {
4345 String field=ffn.getField().getSafeSymbol();
4346 String src=generateTemp(fm, ffn.getSrc(),lb);
4347 String dst=generateTemp(fm, ffn.getDst(),lb);
4349 if (ffn.getField().getType().isPtr()) {
4351 //TODO: Uncomment this when we have runtime support
4352 //if (ffn.getSrc()==ffn.getDst()) {
4353 //output.println("{");
4354 //output.println("void * temp="+src+";");
4355 //output.println("if (temp&0x1) {");
4356 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
4357 //output.println(src+"->"+field+"="+temp+";");
4358 //output.println("}");
4359 //output.println(dst+"=temp;");
4360 //output.println("}");
4362 output.println(dst+"="+ src +"->"+field+ ";");
4363 //output.println("if ("+dst+"&0x1) {");
4364 //DEBUG: output.println("TRANSREAD("+dst+", (unsigned int) "+dst+",\""+fm+":"+ffn+"\");");
4365 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
4366 //output.println(src+"->"+field+"="+src+"->"+field+";");
4367 //output.println("}");
4370 output.println(dst+"="+ src+"->"+field+";");
4372 } else if (status==LocalityAnalysis.LOCAL) {
4373 if (ffn.getField().getType().isPtr()&&
4374 ffn.getField().isGlobal()) {
4375 String field=ffn.getField().getSafeSymbol();
4376 String src=generateTemp(fm, ffn.getSrc(),lb);
4377 String dst=generateTemp(fm, ffn.getDst(),lb);
4378 output.println(dst+"="+ src +"->"+field+ ";");
4379 if (locality.getAtomic(lb).get(ffn).intValue()>0)
4380 //DEBUG: output.println("TRANSREAD("+dst+", (unsigned int) "+dst+",\""+fm+":"+ffn+"\");");
4381 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
4383 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
4384 } else if (status==LocalityAnalysis.EITHER) {
4385 //Code is reading from a null pointer
4386 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
4387 output.println("#ifndef RAW");
4388 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
4389 output.println("#endif");
4390 //This should throw a suitable null pointer error
4391 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
4393 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
4395 // DEBUG if(!ffn.getDst().getType().isPrimitive()){
4396 // DEBUG output.println("within((void*)"+generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+");");
4398 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
4403 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
4404 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
4405 throw new Error("Can't set array length");
4406 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
4407 //Single Machine Transaction Case
4408 boolean srcptr=fsfn.getSrc().getType().isPtr();
4409 String src=generateTemp(fm,fsfn.getSrc(),lb);
4410 String dst=generateTemp(fm,fsfn.getDst(),lb);
4411 output.println("//"+srcptr+" "+fsfn.getSrc().getType().isNull());
4412 if (srcptr&&!fsfn.getSrc().getType().isNull()) {
4413 output.println("{");
4414 if ((dc==null)||dc.getNeedSrcTrans(lb, fsfn)&&
4415 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getSrc())!=LocalityAnalysis.SCRATCH) {
4416 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
4418 output.println("INTPTR srcoid=(INTPTR)"+src+";");
4421 if (wb.needBarrier(fsfn)&&
4422 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getDst())!=LocalityAnalysis.SCRATCH) {
4423 if (state.EVENTMONITOR) {
4424 output.println("if ("+dst+"->___objstatus___&DIRTY) EVLOGEVENTOBJ(EV_WRITE,"+dst+"->objuid)");
4426 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
4428 if (srcptr&!fsfn.getSrc().getType().isNull()) {
4429 output.println("*((unsigned INTPTR *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
4430 output.println("}");
4432 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
4434 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
4435 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
4436 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
4437 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
4439 String src=generateTemp(fm,fsfn.getSrc(),lb);
4440 String dst=generateTemp(fm,fsfn.getDst(),lb);
4442 output.println("{");
4443 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
4445 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
4448 if (wb.needBarrier(fsfn))
4449 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
4451 output.println("*((unsigned INTPTR *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
4453 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
4454 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
4455 /** Check if we need to copy */
4456 output.println("if(!"+dst+"->"+localcopystr+") {");
4457 /* Link object into list */
4458 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
4459 output.println(revertptr+"=revertlist;");
4460 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
4461 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
4463 output.println("COPY_OBJ("+dst+");");
4464 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
4465 output.println("revertlist=(struct ___Object___ *)"+dst+";");
4466 output.println("}");
4468 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
4470 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
4471 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
4472 //writing to a null...bad
4473 output.println("if ("+dst+") {");
4474 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
4476 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
4478 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
4481 output.println("}");
4484 if (state.FASTCHECK) {
4485 String dst=generateTemp(fm, fsfn.getDst(),lb);
4486 output.println("if(!"+dst+"->"+localcopystr+") {");
4487 /* Link object into list */
4488 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
4489 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
4491 output.println("COPY_OBJ("+dst+");");
4492 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
4493 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
4494 output.println("}");
4497 // DEBUG if(!fsfn.getField().getType().isPrimitive()){
4498 // DEBUG output.println("within((void*)"+generateTemp(fm,fsfn.getSrc(),lb)+");");
4500 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
4504 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
4505 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
4508 if (elementtype.isArray()||elementtype.isClass())
4511 type=elementtype.getSafeSymbol()+" ";
4513 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
4514 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex(),lb)+") >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___))");
4515 output.println("failedboundschk();");
4517 if (state.SINGLETM) {
4518 //Single machine transaction case
4519 String dst=generateTemp(fm, fen.getDst(),lb);
4520 if ((!state.STMARRAY)||(!wb.needBarrier(fen))||locality.getNodePreTempInfo(lb, fen).get(fen.getSrc())==LocalityAnalysis.SCRATCH||locality.getAtomic(lb).get(fen).intValue()==0||(state.READSET&&!dc.getNeedGet(lb, fen))) {
4521 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
4523 output.println("STMGETARRAY("+dst+", "+ generateTemp(fm,fen.getSrc(),lb)+", "+generateTemp(fm, fen.getIndex(),lb)+", "+type+");");
4526 if (elementtype.isPtr()&&locality.getAtomic(lb).get(fen).intValue()>0&&
4527 locality.getNodePreTempInfo(lb, fen).get(fen.getSrc())!=LocalityAnalysis.SCRATCH) {
4528 if ((dc==null)||!state.READSET&&dc.getNeedTrans(lb, fen)||state.READSET&&dc.getNeedWriteTrans(lb, fen)) {
4529 output.println("TRANSREAD("+dst+", "+dst+", (void *)(" + localsprefixaddr+"));");
4530 } else if (state.READSET&&dc.getNeedTrans(lb, fen)) {
4531 if (state.HYBRID&&delaycomp.getConv(lb).contains(fen)) {
4532 output.println("TRANSREADRDFISSION("+dst+", "+dst+");");
4534 output.println("TRANSREADRD("+dst+", "+dst+");");
4537 } else if (state.DSM) {
4538 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
4539 if (status==LocalityAnalysis.GLOBAL) {
4540 String dst=generateTemp(fm, fen.getDst(),lb);
4541 if (elementtype.isPtr()) {
4542 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
4543 //DEBUG: output.println("TRANSREAD("+dst+", "+dst+",\""+fm+":"+fen+"\");");
4544 output.println("TRANSREAD("+dst+", "+dst+");");
4546 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
4548 } else if (status==LocalityAnalysis.LOCAL) {
4549 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
4550 } else if (status==LocalityAnalysis.EITHER) {
4551 //Code is reading from a null pointer
4552 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
4553 output.println("#ifndef RAW");
4554 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
4555 output.println("#endif");
4556 //This should throw a suitable null pointer error
4557 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
4559 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
4561 // DEBUG output.println("within((void*)"+generateTemp(fm,fen.getSrc(),lb)+");");
4562 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
4566 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
4567 //TODO: need dynamic check to make sure this assignment is actually legal
4568 //Because Object[] could actually be something more specific...ie. Integer[]
4570 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
4573 if (elementtype.isArray()||elementtype.isClass())
4576 type=elementtype.getSafeSymbol()+" ";
4578 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
4579 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex(),lb)+") >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___))");
4580 output.println("failedboundschk();");
4583 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
4584 //Transaction set element case
4585 if (wb.needBarrier(fsen)&&
4586 locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH) {
4587 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
4589 if (fsen.getSrc().getType().isPtr()&&!fsen.getSrc().getType().isNull()) {
4590 output.println("{");
4591 String src=generateTemp(fm, fsen.getSrc(), lb);
4592 if ((dc==null)||dc.getNeedSrcTrans(lb, fsen)&&
4593 locality.getNodePreTempInfo(lb, fsen).get(fsen.getSrc())!=LocalityAnalysis.SCRATCH) {
4594 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
4596 output.println("INTPTR srcoid=(INTPTR)"+src+";");
4598 if (state.STMARRAY&&locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH&&wb.needBarrier(fsen)&&locality.getAtomic(lb).get(fsen).intValue()>0) {
4599 output.println("STMSETARRAY("+generateTemp(fm, fsen.getDst(),lb)+", "+generateTemp(fm, fsen.getIndex(),lb)+", srcoid, INTPTR);");
4601 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
4603 output.println("}");
4605 if (state.STMARRAY&&locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH&&wb.needBarrier(fsen)&&locality.getAtomic(lb).get(fsen).intValue()>0) {
4606 output.println("STMSETARRAY("+generateTemp(fm, fsen.getDst(),lb)+", "+generateTemp(fm, fsen.getIndex(),lb)+", "+ generateTemp(fm, fsen.getSrc(), lb) +", "+type+");");
4608 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
4611 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
4612 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
4613 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
4614 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
4615 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
4616 boolean dstlocal=(statusdst==LocalityAnalysis.LOCAL)||(statusdst==LocalityAnalysis.EITHER);
4619 if (wb.needBarrier(fsen))
4620 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
4621 } else if (dstlocal) {
4622 /** Check if we need to copy */
4623 String dst=generateTemp(fm, fsen.getDst(),lb);
4624 output.println("if(!"+dst+"->"+localcopystr+") {");
4625 /* Link object into list */
4626 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
4627 output.println(revertptr+"=revertlist;");
4628 if ((GENERATEPRECISEGC) || this.state.MULTICOREGC)
4629 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
4631 output.println("COPY_OBJ("+dst+");");
4632 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
4633 output.println("revertlist=(struct ___Object___ *)"+dst+";");
4634 output.println("}");
4636 System.out.println("Node: "+fsen);
4637 System.out.println(lb);
4638 System.out.println("statusdst="+statusdst);
4639 System.out.println(fm.printMethod());
4640 throw new Error("Unknown array type");
4643 output.println("{");
4644 String src=generateTemp(fm, fsen.getSrc(), lb);
4645 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
4646 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
4647 output.println("}");
4649 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
4652 if (state.FASTCHECK) {
4653 String dst=generateTemp(fm, fsen.getDst(),lb);
4654 output.println("if(!"+dst+"->"+localcopystr+") {");
4655 /* Link object into list */
4656 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
4657 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
4659 output.println("COPY_OBJ("+dst+");");
4660 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
4661 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
4662 output.println("}");
4664 // DEBUG output.println("within((void*)"+generateTemp(fm,fsen.getDst(),lb)+");");
4665 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
4669 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
4670 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
4671 //Stash pointer in case of GC
4672 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
4673 output.println(revertptr+"=revertlist;");
4675 if (state.SINGLETM) {
4676 if (fn.getType().isArray()) {
4677 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
4678 if (locality.getAtomic(lb).get(fn).intValue()>0) {
4679 //inside transaction
4680 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
4682 //outside transaction
4683 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
4686 if (locality.getAtomic(lb).get(fn).intValue()>0) {
4687 //inside transaction
4688 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
4690 //outside transaction
4691 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
4694 } else if (fn.getType().isArray()) {
4695 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
4696 if (fn.isGlobal()&&(state.DSM||state.SINGLETM)) {
4697 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
4698 } else if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
4699 if(this.state.MLP || state.OOOJAVA){
4700 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray_oid("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+", oid);");
4701 output.println(" oid += numWorkers;");
4703 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
4706 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
4709 if (fn.isGlobal()&&(state.DSM||state.SINGLETM)) {
4710 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
4711 } else if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
4712 if (this.state.MLP || state.OOOJAVA){
4713 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new_oid("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+", oid);");
4714 output.println(" oid += numWorkers;");
4716 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
4719 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
4722 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
4723 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
4724 String dst=generateTemp(fm,fn.getDst(),lb);
4725 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
4726 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
4727 output.println("revertlist=(struct ___Object___ *)"+dst+";");
4729 if (state.FASTCHECK) {
4730 String dst=generateTemp(fm,fn.getDst(),lb);
4731 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
4732 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
4733 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
4737 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
4738 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
4739 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
4741 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
4745 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
4746 if (fon.getRight()!=null) {
4747 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
4748 if (fon.getLeft().getType().isLong())
4749 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
4751 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
4753 } else if (dc!=null) {
4754 output.print(generateTemp(fm, fon.getDest(),lb)+" = (");
4755 if (fon.getLeft().getType().isPtr()&&(fon.getOp().getOp()==Operation.EQUAL||fon.getOp().getOp()==Operation.NOTEQUAL))
4756 output.print("(void *)");
4757 if (dc.getNeedLeftSrcTrans(lb, fon))
4758 output.print("("+generateTemp(fm, fon.getLeft(),lb)+"!=NULL?"+generateTemp(fm, fon.getLeft(),lb)+"->"+oidstr+":NULL)");
4760 output.print(generateTemp(fm, fon.getLeft(),lb));
4761 output.print(")"+fon.getOp().toString()+"(");
4762 if (fon.getRight().getType().isPtr()&&(fon.getOp().getOp()==Operation.EQUAL||fon.getOp().getOp()==Operation.NOTEQUAL))
4763 output.print("(void *)");
4764 if (dc.getNeedRightSrcTrans(lb, fon))
4765 output.println("("+generateTemp(fm, fon.getRight(),lb)+"!=NULL?"+generateTemp(fm, fon.getRight(),lb)+"->"+oidstr+":NULL));");
4767 output.println(generateTemp(fm,fon.getRight(),lb)+");");
4769 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
4770 } else if (fon.getOp().getOp()==Operation.ASSIGN)
4771 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
4772 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
4773 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
4774 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
4775 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
4776 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
4777 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
4778 else if (fon.getOp().getOp()==Operation.COMP)
4779 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
4780 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
4781 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
4783 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
4786 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
4787 /* TODO: Do type check here */
4788 if (fcn.getType().isArray()) {
4789 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
4790 } else if (fcn.getType().isClass())
4791 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
4793 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
4796 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
4797 if (fln.getValue()==null)
4798 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
4799 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
4800 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
4801 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
4802 //Stash pointer in case of GC
4803 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
4804 output.println(revertptr+"=revertlist;");
4806 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString("+localsprefixaddr+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
4807 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
4808 //Stash pointer in case of GC
4809 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
4810 output.println("revertlist="+revertptr+";");
4813 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
4815 } else if (fln.getType().isBoolean()) {
4816 if (((Boolean)fln.getValue()).booleanValue())
4817 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
4819 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
4820 } else if (fln.getType().isChar()) {
4821 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
4822 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
4823 } else if (fln.getType().isLong()) {
4824 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
4826 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
4829 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
4830 if (frn.getReturnTemp()!=null) {
4831 if (frn.getReturnTemp().getType().isPtr())
4832 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
4834 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
4836 output.println("return;");
4840 protected void generateStoreFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
4843 //only record if this group has more than one exit
4844 if (branchanalysis.numJumps(fcb)>1) {
4845 left=branchanalysis.jumpValue(fcb, 0);
4846 right=branchanalysis.jumpValue(fcb, 1);
4848 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") {");
4850 output.println("STOREBRANCH("+right+");");
4851 output.println("goto "+label+";");
4852 output.println("}");
4854 output.println("STOREBRANCH("+left+");");
4857 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
4858 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
4861 /** This method generates header information for the method or
4862 * task referenced by the Descriptor des. */
4863 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
4864 generateHeader(fm, lb, des, output, false);
4867 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output, boolean addSESErecord) {
4869 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
4870 MethodDescriptor md=null;
4871 TaskDescriptor task=null;
4872 if (des instanceof MethodDescriptor)
4873 md=(MethodDescriptor) des;
4875 task=(TaskDescriptor) des;
4877 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
4879 if (md!=null&&md.getReturnType()!=null) {
4880 if (md.getReturnType().isClass()||md.getReturnType().isArray())
4881 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
4883 output.print(md.getReturnType().getSafeSymbol()+" ");
4885 //catch the constructor case
4886 output.print("void ");
4888 if (state.DSM||state.SINGLETM) {
4889 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
4891 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
4893 output.print(task.getSafeSymbol()+"(");
4895 boolean printcomma=false;
4896 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
4898 if (state.DSM||state.SINGLETM) {
4899 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
4901 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
4903 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
4909 for(int i=0; i<objectparams.numPrimitives(); i++) {
4910 TempDescriptor temp=objectparams.getPrimitive(i);
4914 if (temp.getType().isClass()||temp.getType().isArray())
4915 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
4917 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
4919 output.println(") {");
4920 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
4921 /* Imprecise Task */
4922 output.println("void * parameterarray[]) {");
4923 /* Unpack variables */
4924 for(int i=0; i<objectparams.numPrimitives(); i++) {
4925 TempDescriptor temp=objectparams.getPrimitive(i);
4926 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
4928 for(int i=0; i<fm.numTags(); i++) {
4929 TempDescriptor temp=fm.getTag(i);
4930 int offset=i+objectparams.numPrimitives();
4931 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
4934 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
4935 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
4936 } else output.println(") {");
4939 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
4940 output.println("/* FlatFlagActionNode */");
4943 /* Process tag changes */
4944 Relation tagsettable=new Relation();
4945 Relation tagcleartable=new Relation();
4947 Iterator tagsit=ffan.getTempTagPairs();
4948 while (tagsit.hasNext()) {
4949 TempTagPair ttp=(TempTagPair) tagsit.next();
4950 TempDescriptor objtmp=ttp.getTemp();
4951 TagDescriptor tag=ttp.getTag();
4952 TempDescriptor tagtmp=ttp.getTagTemp();
4953 boolean tagstatus=ffan.getTagChange(ttp);
4955 tagsettable.put(objtmp, tagtmp);
4957 tagcleartable.put(objtmp, tagtmp);
4962 Hashtable flagandtable=new Hashtable();
4963 Hashtable flagortable=new Hashtable();
4965 /* Process flag changes */
4966 Iterator flagsit=ffan.getTempFlagPairs();
4967 while(flagsit.hasNext()) {
4968 TempFlagPair tfp=(TempFlagPair)flagsit.next();
4969 TempDescriptor temp=tfp.getTemp();
4970 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
4971 FlagDescriptor flag=tfp.getFlag();
4973 //Newly allocate objects that don't set any flags case
4974 if (flagortable.containsKey(temp)) {
4978 flagortable.put(temp,new Integer(mask));
4980 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
4981 boolean flagstatus=ffan.getFlagChange(tfp);
4984 if (flagortable.containsKey(temp)) {
4985 mask=((Integer)flagortable.get(temp)).intValue();
4988 flagortable.put(temp,new Integer(mask));
4990 int mask=0xFFFFFFFF;
4991 if (flagandtable.containsKey(temp)) {
4992 mask=((Integer)flagandtable.get(temp)).intValue();
4994 mask&=(0xFFFFFFFF^flagid);
4995 flagandtable.put(temp,new Integer(mask));
5001 HashSet flagtagset=new HashSet();
5002 flagtagset.addAll(flagortable.keySet());
5003 flagtagset.addAll(flagandtable.keySet());
5004 flagtagset.addAll(tagsettable.keySet());
5005 flagtagset.addAll(tagcleartable.keySet());
5007 Iterator ftit=flagtagset.iterator();
5008 while(ftit.hasNext()) {
5009 TempDescriptor temp=(TempDescriptor)ftit.next();
5012 Set tagtmps=tagcleartable.get(temp);
5013 if (tagtmps!=null) {
5014 Iterator tagit=tagtmps.iterator();
5015 while(tagit.hasNext()) {
5016 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
5017 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
5018 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
5020 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
5024 tagtmps=tagsettable.get(temp);
5025 if (tagtmps!=null) {
5026 Iterator tagit=tagtmps.iterator();
5027 while(tagit.hasNext()) {
5028 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
5029 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
5030 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
5032 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
5037 int andmask=0xFFFFFFF;
5039 if (flagortable.containsKey(temp))
5040 ormask=((Integer)flagortable.get(temp)).intValue();
5041 if (flagandtable.containsKey(temp))
5042 andmask=((Integer)flagandtable.get(temp)).intValue();
5043 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
5044 generateObjectDistribute(ffan, fm, lb, temp, output);
5048 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
5049 PrintWriter output, int ormask, int andmask) {
5050 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
5051 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
5053 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
5057 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
5058 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
5061 void generateOptionalHeader(PrintWriter headers) {
5064 headers.println("#include \"task.h\"\n\n");
5065 headers.println("#ifndef _OPTIONAL_STRUCT_");
5066 headers.println("#define _OPTIONAL_STRUCT_");
5068 //STRUCT PREDICATEMEMBER
5069 headers.println("struct predicatemember{");
5070 headers.println("int type;");
5071 headers.println("int numdnfterms;");
5072 headers.println("int * flags;");
5073 headers.println("int numtags;");
5074 headers.println("int * tags;\n};\n\n");
5076 //STRUCT OPTIONALTASKDESCRIPTOR
5077 headers.println("struct optionaltaskdescriptor{");
5078 headers.println("struct taskdescriptor * task;");
5079 headers.println("int index;");
5080 headers.println("int numenterflags;");
5081 headers.println("int * enterflags;");
5082 headers.println("int numpredicatemembers;");
5083 headers.println("struct predicatemember ** predicatememberarray;");
5084 headers.println("};\n\n");
5086 //STRUCT TASKFAILURE
5087 headers.println("struct taskfailure {");
5088 headers.println("struct taskdescriptor * task;");
5089 headers.println("int index;");
5090 headers.println("int numoptionaltaskdescriptors;");
5091 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
5093 //STRUCT FSANALYSISWRAPPER
5094 headers.println("struct fsanalysiswrapper{");
5095 headers.println("int flags;");
5096 headers.println("int numtags;");
5097 headers.println("int * tags;");
5098 headers.println("int numtaskfailures;");
5099 headers.println("struct taskfailure ** taskfailurearray;");
5100 headers.println("int numoptionaltaskdescriptors;");
5101 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
5103 //STRUCT CLASSANALYSISWRAPPER
5104 headers.println("struct classanalysiswrapper{");
5105 headers.println("int type;");
5106 headers.println("int numotd;");
5107 headers.println("struct optionaltaskdescriptor ** otdarray;");
5108 headers.println("int numfsanalysiswrappers;");
5109 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
5111 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
5113 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
5114 while(taskit.hasNext()) {
5115 TaskDescriptor td=(TaskDescriptor)taskit.next();
5116 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
5121 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
5122 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
5123 int predicateindex = 0;
5124 //iterate through the classes concerned by the predicate
5125 Set c_vard = predicate.vardescriptors;
5126 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
5129 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
5130 VarDescriptor vard = (VarDescriptor)vard_it.next();
5131 TypeDescriptor typed = vard.getType();
5133 //generate for flags
5134 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
5135 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
5137 if (fen_hashset!=null) {
5138 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
5139 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
5141 DNFFlag dflag=fen.getDNF();
5142 numberterms+=dflag.size();
5144 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
5146 for(int j=0; j<dflag.size(); j++) {
5148 output.println(",");
5149 Vector term=dflag.get(j);
5152 for(int k=0; k<term.size(); k++) {
5153 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
5154 FlagDescriptor fd=dfa.getFlag();
5155 boolean negated=dfa.getNegated();
5156 int flagid=1<<((Integer)flags.get(fd)).intValue();
5161 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
5166 output.println("};\n");
5169 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
5170 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
5173 for(int j=0; j<tagel.numTags(); j++) {
5175 output.println(",");
5176 TempDescriptor tmp=tagel.getTemp(j);
5177 if (!slotnumber.containsKey(tmp)) {
5178 Integer slotint=new Integer(current_slot++);
5179 slotnumber.put(tmp,slotint);
5181 int slot=slotnumber.get(tmp).intValue();
5182 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
5184 numtags = tagel.numTags();
5186 output.println("};");
5188 //store the result into a predicatemember struct
5189 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
5190 output.println("/*type*/"+typed.getClassDesc().getId()+",");
5191 output.println("/* number of dnf terms */"+numberterms+",");
5192 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
5193 output.println("/* number of tag */"+numtags+",");
5194 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
5195 output.println("};\n");
5200 //generate an array that stores the entire predicate
5201 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
5202 for( int j = 0; j<predicateindex; j++) {
5203 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
5204 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
5206 output.println("};\n");
5207 return predicateindex;
5211 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
5212 generateOptionalHeader(headers);
5214 output.println("#include \"optionalstruct.h\"\n\n");
5215 output.println("#include \"stdlib.h\"\n");
5217 HashSet processedcd = new HashSet();
5219 Enumeration e = safeexecution.keys();
5220 while (e.hasMoreElements()) {
5223 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
5224 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
5226 //Generate the struct of optionals
5227 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
5228 numotd = c_otd.size();
5229 if(maxotd<numotd) maxotd = numotd;
5230 if( !c_otd.isEmpty() ) {
5231 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
5232 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
5234 //generate the int arrays for the predicate
5235 Predicate predicate = otd.predicate;
5236 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
5237 TreeSet<Integer> fsset=new TreeSet<Integer>();
5238 //iterate through possible FSes corresponding to
5239 //the state when entering
5241 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
5242 FlagState fs = (FlagState)fses.next();
5244 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
5245 FlagDescriptor flagd = (FlagDescriptor)flags.next();
5246 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
5249 fsset.add(new Integer(flagid));
5250 //tag information not needed because tag
5251 //changes are not tolerated.
5254 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
5255 boolean needcomma=false;
5256 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
5259 output.println(it.next());
5262 output.println("};\n");
5265 //generate optionaltaskdescriptor that actually
5266 //includes exit fses, predicate and the task
5268 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
5269 output.println("&task_"+otd.td.getSafeSymbol()+",");
5270 output.println("/*index*/"+otd.getIndex()+",");
5271 output.println("/*number of enter flags*/"+fsset.size()+",");
5272 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
5273 output.println("/*number of members */"+predicateindex+",");
5274 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
5275 output.println("};\n");
5279 // if there are no optionals, there is no need to build the rest of the struct
5281 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
5282 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
5283 if( !c_otd.isEmpty() ) {
5284 boolean needcomma=false;
5285 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
5286 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
5288 output.println(",");
5290 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
5293 output.println("};\n");
5295 //get all the possible flagstates reachable by an object
5296 Hashtable hashtbtemp = safeexecution.get(cdtemp);
5298 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
5299 fsts.addAll(hashtbtemp.keySet());
5300 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
5301 FlagState fs = (FlagState)fsit.next();
5304 //get the set of OptionalTaskDescriptors corresponding
5305 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
5306 //iterate through the OptionalTaskDescriptors and
5307 //store the pointers to the optionals struct (see on
5308 //top) into an array
5310 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
5311 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
5312 OptionalTaskDescriptor mm = mos.next();
5314 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
5316 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
5319 output.println("};\n");
5321 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
5324 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
5325 FlagDescriptor flagd = (FlagDescriptor)flags.next();
5326 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
5330 //process tag information
5333 boolean first = true;
5334 Enumeration tag_enum = fs.getTags();
5335 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
5336 while(tag_enum.hasMoreElements()) {
5338 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
5342 output.println(", ");
5343 output.println("/*tagid*/"+state.getTagId(tagd));
5345 output.println("};");
5347 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
5348 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
5349 TaskIndex ti=itti.next();
5353 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
5355 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
5356 boolean needcomma=false;
5357 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
5358 OptionalTaskDescriptor otd=otdit.next();
5362 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
5364 output.println("};");
5366 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
5367 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
5368 output.print(ti.getIndex()+", ");
5369 output.print(otdset.size()+", ");
5370 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
5371 output.println("};");
5374 tiset=sa.getTaskIndex(fs);
5375 boolean needcomma=false;
5377 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
5378 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
5379 TaskIndex ti=itti.next();
5380 if (ti.isRuntime()) {
5387 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
5389 output.println("};\n");
5391 //Store the result in fsanalysiswrapper
5393 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
5394 output.println("/*flag*/"+flagid+",");
5395 output.println("/* number of tags*/"+tagcounter+",");
5396 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
5397 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
5398 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
5399 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
5400 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
5401 output.println("};\n");
5405 //Build the array of fsanalysiswrappers
5406 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
5407 boolean needcomma=false;
5408 for(int i = 0; i<fscounter; i++) {
5409 if (needcomma) output.print(",");
5410 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
5413 output.println("};");
5415 //Build the classanalysiswrapper referring to the previous array
5416 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
5417 output.println("/*type*/"+cdtemp.getId()+",");
5418 output.println("/*numotd*/"+numotd+",");
5419 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
5420 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
5421 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
5422 processedcd.add(cdtemp);
5425 //build an array containing every classes for which code has been build
5426 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
5427 for(int i=0; i<state.numClasses(); i++) {
5428 ClassDescriptor cn=cdarray[i];
5431 if ((cn != null) && (processedcd.contains(cn)))
5432 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
5434 output.print("NULL");
5436 output.println("};");
5438 output.println("#define MAXOTD "+maxotd);
5439 headers.println("#endif");
5442 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
5443 Relation r=new Relation();
5444 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
5445 OptionalTaskDescriptor otd=otdit.next();
5446 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
5450 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
5451 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
5452 Set s=r.get(it.next());
5453 for(Iterator it2=s.iterator(); it2.hasNext();) {
5454 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
5462 protected void outputTransCode(PrintWriter output) {
5465 private int calculateSizeOfSESEParamList(FlatSESEEnterNode fsen){
5467 Set<TempDescriptor> tdSet=new HashSet<TempDescriptor>();
5469 for (Iterator iterator = fsen.getInVarSet().iterator(); iterator.hasNext();) {
5470 TempDescriptor tempDescriptor = (TempDescriptor) iterator.next();
5471 if(!tempDescriptor.getType().isPrimitive() || tempDescriptor.getType().isArray()){
5472 tdSet.add(tempDescriptor);
5476 for (Iterator iterator = fsen.getOutVarSet().iterator(); iterator.hasNext();) {
5477 TempDescriptor tempDescriptor = (TempDescriptor) iterator.next();
5478 if(!tempDescriptor.getType().isPrimitive() || tempDescriptor.getType().isArray()){
5479 tdSet.add(tempDescriptor);
5483 return tdSet.size();
5486 private String calculateSizeOfSESEParamSize(FlatSESEEnterNode fsen){
5487 HashMap <String,Integer> map=new HashMap();
5488 HashSet <TempDescriptor> processed=new HashSet<TempDescriptor>();
5491 // space for all in and out set primitives
5492 Set<TempDescriptor> inSetAndOutSet = new HashSet<TempDescriptor>();
5493 inSetAndOutSet.addAll( fsen.getInVarSet() );
5494 inSetAndOutSet.addAll( fsen.getOutVarSet() );
5496 Set<TempDescriptor> inSetAndOutSetPrims = new HashSet<TempDescriptor>();
5498 Iterator<TempDescriptor> itr = inSetAndOutSet.iterator();
5499 while( itr.hasNext() ) {
5500 TempDescriptor temp = itr.next();
5501 TypeDescriptor type = temp.getType();
5502 if( !type.isPtr() ) {
5503 inSetAndOutSetPrims.add( temp );
5507 Iterator<TempDescriptor> itrPrims = inSetAndOutSetPrims.iterator();
5508 while( itrPrims.hasNext() ) {
5509 TempDescriptor temp = itrPrims.next();
5510 TypeDescriptor type = temp.getType();
5511 if(type.isPrimitive()){
5512 Integer count=map.get(type.getSymbol());
5514 count=new Integer(1);
5515 map.put(type.getSymbol(), count);
5517 map.put(type.getSymbol(), new Integer(count.intValue()+1));
5522 Set<String> keySet=map.keySet();
5523 for (Iterator iterator = keySet.iterator(); iterator.hasNext();) {
5524 String key = (String) iterator.next();
5525 rtr+="+sizeof("+key+")*"+map.get(key);
5530 private int calculatePrevSESECount(FlatSESEEnterNode fsen){
5534 Iterator<TempDescriptor>itrDynInVars = fsen.getDynamicInVarSet().iterator();
5535 while( itrDynInVars.hasNext() ) {
5536 TempDescriptor dynInVar = itrDynInVars.next();
5540 // in-set source tracking
5541 Iterator<SESEandAgePair> itrStaticInVarSrcs = fsen.getStaticInVarSrcs().iterator();
5542 while( itrStaticInVarSrcs.hasNext() ) {
5543 SESEandAgePair srcPair = itrStaticInVarSrcs.next();