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.DelayComputation;
23 import Analysis.CallGraph.CallGraph;
24 import Analysis.Prefetch.*;
25 import Analysis.Loops.WriteBarrier;
26 import Analysis.Loops.GlobalFieldType;
27 import Analysis.Locality.TypeAnalysis;
28 import Analysis.MLP.MLPAnalysis;
29 import Analysis.MLP.VariableSourceToken;
30 import Analysis.MLP.CodePlan;
31 import Analysis.MLP.SESEandAgePair;
33 public class BuildCode {
36 Hashtable paramstable;
41 String localsprefix="___locals___";
42 String fcrevert="___fcrevert___";
43 String paramsprefix="___params___";
44 String oidstr="___nextobject___";
45 String nextobjstr="___nextobject___";
46 String localcopystr="___localcopy___";
47 public static boolean GENERATEPRECISEGC=false;
48 public static String PREFIX="";
49 public static String arraytype="ArrayObject";
50 public static int flagcount = 0;
53 protected int maxtaskparams=0;
54 private int maxcount=0;
55 ClassDescriptor[] cdarray;
56 TypeDescriptor[] arraytable;
57 LocalityAnalysis locality;
58 Hashtable<LocalityBinding, TempDescriptor> reverttable;
59 Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>> backuptable;
63 String mlperrstr = "if(status != 0) { "+
64 "sprintf(errmsg, \"MLP error at %s:%d\", __FILE__, __LINE__); "+
65 "perror(errmsg); exit(-1); }";
66 Hashtable<FlatSESEEnterNode, FlatMethod> sese2bogusFlatMeth;
67 boolean nonSESEpass=true;
70 DelayComputation delaycomp;
73 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
74 this(st, temptovar, typeutil, null, sa, pa, null);
77 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa, MLPAnalysis mlpa) {
78 this(st, temptovar, typeutil, null, sa, pa, mlpa);
81 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa, MLPAnalysis mlpa) {
82 this(st, temptovar, typeutil, locality, null, pa, mlpa);
85 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa, MLPAnalysis mlpa) {
90 callgraph=new CallGraph(state);
92 oidstr="___objlocation___";
93 this.temptovar=temptovar;
94 paramstable=new Hashtable();
95 tempstable=new Hashtable();
96 fieldorder=new Hashtable();
97 flagorder=new Hashtable();
98 this.typeutil=typeutil;
99 virtualcalls=new Virtual(state,locality);
100 if (locality!=null) {
101 this.locality=locality;
102 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
103 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
104 this.wb=new WriteBarrier(locality, st);
106 if (state.SINGLETM&&state.DCOPTS) {
107 TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
108 this.dc=new DiscoverConflicts(locality, st, typeanalysis);
111 if (state.SINGLETM&&state.DELAYCOMP) {
112 //TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
113 TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
114 GlobalFieldType gft=new GlobalFieldType(callgraph, st, typeutil.getMain());
115 delaycomp=new DelayComputation(locality, st, typeanalysis, gft);
116 delaycomp.doAnalysis();
117 dc=delaycomp.getConflicts();
121 sese2bogusFlatMeth = new Hashtable<FlatSESEEnterNode, FlatMethod>();
125 /** The buildCode method outputs C code for all the methods. The Flat
126 * versions of the methods must already be generated and stored in
127 * the State object. */
129 public void buildCode() {
130 /* Create output streams to write to */
131 PrintWriter outclassdefs=null;
132 PrintWriter outstructs=null;
133 PrintWriter outrepairstructs=null;
134 PrintWriter outmethodheader=null;
135 PrintWriter outmethod=null;
136 PrintWriter outvirtual=null;
137 PrintWriter outtask=null;
138 PrintWriter outtaskdefs=null;
139 PrintWriter outoptionalarrays=null;
140 PrintWriter optionalheaders=null;
143 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
144 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
145 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
146 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
147 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
149 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
150 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
151 if (state.OPTIONAL) {
152 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
153 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
156 if (state.structfile!=null) {
157 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
159 } catch (Exception e) {
164 /* Build the virtual dispatch tables */
165 buildVirtualTables(outvirtual);
167 /* Output includes */
168 outmethodheader.println("#ifndef METHODHEADERS_H");
169 outmethodheader.println("#define METHODHEADERS_H");
170 outmethodheader.println("#include \"structdefs.h\"");
172 outmethodheader.println("#include \"dstm.h\"");
174 outmethodheader.println("#include \"tm.h\"");
175 if (state.ABORTREADERS) {
176 outmethodheader.println("#include \"abortreaders.h\"");
177 outmethodheader.println("#include <setjmp.h>");
180 outmethodheader.println("#include <stdlib.h>");
181 outmethodheader.println("#include <stdio.h>");
182 outmethodheader.println("#include \"mlp_runtime.h\"");
185 /* Output Structures */
186 outputStructs(outstructs);
188 // Output the C class declarations
189 // These could mutually reference each other
190 outputClassDeclarations(outclassdefs);
192 // Output function prototypes and structures for parameters
193 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
194 while(it.hasNext()) {
195 ClassDescriptor cn=(ClassDescriptor)it.next();
196 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
198 outclassdefs.close();
201 /* Map flags to integers */
202 /* The runtime keeps track of flags using these integers */
203 it=state.getClassSymbolTable().getDescriptorsIterator();
204 while(it.hasNext()) {
205 ClassDescriptor cn=(ClassDescriptor)it.next();
209 generateTaskStructs(outstructs, outmethodheader);
211 /* Outputs generic task structures if this is a task
213 outputTaskTypes(outtask);
216 /* Build the actual methods */
217 outputMethods(outmethod);
219 // Output function prototypes and structures for SESE's and code
223 // first generate code for each sese's internals
224 for(Iterator<FlatSESEEnterNode> seseit=mlpa.getAllSESEs().iterator();seseit.hasNext();) {
225 FlatSESEEnterNode fsen = seseit.next();
226 generateMethodSESE(fsen, null, outstructs, outmethodheader, outmethod);
229 // then write the invokeSESE switch to decouple scheduler
230 // from having to do unique details of sese invocation
231 generateSESEinvocationMethod(outmethodheader, outmethod);
235 /* Output code for tasks */
236 outputTaskCode(outtaskdefs, outmethod);
238 /* Record maximum number of task parameters */
239 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
240 } else if (state.main!=null) {
241 /* Generate main method */
242 outputMainMethod(outmethod);
245 /* Generate information for task with optional parameters */
246 if (state.TASK&&state.OPTIONAL) {
247 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
248 outoptionalarrays.close();
251 /* Output structure definitions for repair tool */
252 if (state.structfile!=null) {
253 buildRepairStructs(outrepairstructs);
254 outrepairstructs.close();
258 outmethodheader.println("#endif");
259 outmethodheader.close();
261 outstructs.println("#endif");
266 /* This code just generates the main C method for java programs.
267 * The main C method packs up the arguments into a string array
268 * and passes it to the java main method. */
270 private void outputMainMethod(PrintWriter outmethod) {
271 outmethod.println("int main(int argc, const char *argv[]) {");
272 outmethod.println(" int i;");
274 outmethod.println(" mlpInit( "+mlpa.getAllSESEs().size()+", "+mlpa.getMaxSESEage()+" );");
277 outmethod.println("#ifdef TRANSSTATS \n");
278 outmethod.println("handle();\n");
279 outmethod.println("#endif\n");
281 if (state.THREAD||state.DSM||state.SINGLETM) {
282 outmethod.println("initializethreads();");
285 outmethod.println("if (dstmStartup(argv[1])) {");
286 if (GENERATEPRECISEGC) {
287 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
289 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
292 if (GENERATEPRECISEGC) {
293 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
295 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
299 outmethod.println(" for(i=2;i<argc;i++) {");
301 outmethod.println(" for(i=1;i<argc;i++) {");
302 outmethod.println(" int length=strlen(argv[i]);");
303 if (GENERATEPRECISEGC) {
304 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
306 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
309 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
311 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
312 outmethod.println(" }");
314 MethodDescriptor md=typeutil.getMain();
315 ClassDescriptor cd=typeutil.getMainClass();
317 outmethod.println(" {");
318 if (GENERATEPRECISEGC) {
319 if (state.DSM||state.SINGLETM) {
320 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
322 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
323 outmethod.println("1, NULL,"+"stringarray};");
324 if (state.DSM||state.SINGLETM)
325 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
327 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
329 if (state.DSM||state.SINGLETM)
330 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
332 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
334 outmethod.println(" }");
337 outmethod.println("}");
340 if (state.THREAD||state.DSM||state.SINGLETM) {
341 outmethod.println("pthread_mutex_lock(&gclistlock);");
342 outmethod.println("threadcount--;");
343 outmethod.println("pthread_cond_signal(&gccond);");
344 outmethod.println("pthread_mutex_unlock(&gclistlock);");
347 if (state.DSM||state.SINGLETM) {
348 outmethod.println("#ifdef TRANSSTATS \n");
349 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
350 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
351 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
352 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
354 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
355 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
356 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
357 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
358 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
359 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
360 } else if (state.SINGLETM) {
361 outmethod.println("printf(\"nSoftAbortAbort= %d\\n\", nSoftAbortAbort);");
362 outmethod.println("printf(\"nSoftAbortCommit= %d\\n\", nSoftAbortCommit);");
363 outmethod.println("#ifdef STMSTATS\n");
364 outmethod.println("for(i=0; i<TOTALNUMCLASSANDARRAY; i++) {\n");
365 outmethod.println(" printf(\"typesCausingAbort[%d]= %d\\n\", i, typesCausingAbort[i]);\n");
366 outmethod.println("}\n");
367 outmethod.println("#endif\n");
368 outmethod.println("fflush(stdout);");
370 outmethod.println("#endif\n");
373 if (state.THREAD||state.SINGLETM)
374 outmethod.println("pthread_exit(NULL);");
376 outmethod.println("}");
379 /* This method outputs code for each task. */
381 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
382 /* Compile task based program */
383 outtaskdefs.println("#include \"task.h\"");
384 outtaskdefs.println("#include \"methodheaders.h\"");
385 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
386 while(taskit.hasNext()) {
387 TaskDescriptor td=(TaskDescriptor)taskit.next();
388 FlatMethod fm=state.getMethodFlat(td);
389 generateFlatMethod(fm, null, outmethod);
390 generateTaskDescriptor(outtaskdefs, fm, td);
393 //Output task descriptors
394 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
395 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
397 while(taskit.hasNext()) {
398 TaskDescriptor td=(TaskDescriptor)taskit.next();
402 outtaskdefs.println(",");
403 outtaskdefs.print("&task_"+td.getSafeSymbol());
405 outtaskdefs.println("};");
407 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
410 /* This method outputs most of the methods.c file. This includes
411 * some standard includes and then an array with the sizes of
412 * objets and array that stores supertype and then the code for
413 * the Java methods.. */
415 protected void outputMethods(PrintWriter outmethod) {
416 outmethod.println("#include \"methodheaders.h\"");
417 outmethod.println("#include \"virtualtable.h\"");
418 outmethod.println("#include \"runtime.h\"");
420 outmethod.println("#include \"addPrefetchEnhance.h\"");
421 outmethod.println("#include \"localobjects.h\"");
423 if (state.FASTCHECK) {
424 outmethod.println("#include \"localobjects.h\"");
426 if(state.MULTICORE) {
427 outmethod.println("#include \"task.h\"");
428 outmethod.println("#include \"multicoreruntime.h\"");
429 outmethod.println("#include \"runtime_arch.h\"");
431 if (state.THREAD||state.DSM||state.SINGLETM)
432 outmethod.println("#include <thread.h>");
433 if (state.main!=null) {
434 outmethod.println("#include <string.h>");
436 if (state.CONSCHECK) {
437 outmethod.println("#include \"checkers.h\"");
440 outmethod.println("#include <stdlib.h>");
441 outmethod.println("#include <stdio.h>");
442 outmethod.println("#include \"mlp_runtime.h\"");
446 //Store the sizes of classes & array elements
447 generateSizeArray(outmethod);
449 //Store table of supertypes
450 generateSuperTypeTable(outmethod);
452 //Store the layout of classes
453 generateLayoutStructs(outmethod);
455 /* Generate code for methods */
456 if (state.DSM||state.SINGLETM) {
457 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
458 LocalityBinding lb=lbit.next();
459 MethodDescriptor md=lb.getMethod();
460 FlatMethod fm=state.getMethodFlat(md);
462 if (!md.getModifiers().isNative()) {
463 generateFlatMethod(fm, lb, outmethod);
467 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
468 while(classit.hasNext()) {
469 ClassDescriptor cn=(ClassDescriptor)classit.next();
470 Iterator methodit=cn.getMethods();
471 while(methodit.hasNext()) {
472 /* Classify parameters */
473 MethodDescriptor md=(MethodDescriptor)methodit.next();
474 FlatMethod fm=state.getMethodFlat(md);
475 if (!md.getModifiers().isNative()) {
476 generateFlatMethod(fm, null, outmethod);
483 protected void outputStructs(PrintWriter outstructs) {
484 outstructs.println("#ifndef STRUCTDEFS_H");
485 outstructs.println("#define STRUCTDEFS_H");
486 outstructs.println("#include \"classdefs.h\"");
487 outstructs.println("#ifndef INTPTR");
488 outstructs.println("#ifdef BIT64");
489 outstructs.println("#define INTPTR long");
490 outstructs.println("#else");
491 outstructs.println("#define INTPTR int");
492 outstructs.println("#endif");
493 outstructs.println("#endif");
495 /* Output #defines that the runtime uses to determine type
496 * numbers for various objects it needs */
497 outstructs.println("#define MAXCOUNT "+maxcount);
498 if (state.DSM||state.SINGLETM) {
499 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
501 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
502 else if (state.SINGLETM)
503 lb.setGlobalThis(LocalityAnalysis.NORMAL);
504 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
507 outstructs.println("#define STRINGARRAYTYPE "+
508 (state.getArrayNumber(
509 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
511 outstructs.println("#define OBJECTARRAYTYPE "+
512 (state.getArrayNumber(
513 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
516 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
517 outstructs.println("#define CHARARRAYTYPE "+
518 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
520 outstructs.println("#define BYTEARRAYTYPE "+
521 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
523 outstructs.println("#define BYTEARRAYARRAYTYPE "+
524 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
526 outstructs.println("#define NUMCLASSES "+state.numClasses());
527 int totalClassSize = state.numClasses() + state.numArrays();
528 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
530 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
531 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
532 outstructs.println("#define TAGARRAYTYPE "+
533 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
537 protected void outputClassDeclarations(PrintWriter outclassdefs) {
538 if (state.THREAD||state.DSM||state.SINGLETM)
539 outclassdefs.println("#include <pthread.h>");
540 outclassdefs.println("#ifndef INTPTR");
541 outclassdefs.println("#ifdef BIT64");
542 outclassdefs.println("#define INTPTR long");
543 outclassdefs.println("#else");
544 outclassdefs.println("#define INTPTR int");
545 outclassdefs.println("#endif");
546 outclassdefs.println("#endif");
548 outclassdefs.println("#include \"optionalstruct.h\"");
549 outclassdefs.println("struct "+arraytype+";");
550 /* Start by declaring all structs */
551 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
552 while(it.hasNext()) {
553 ClassDescriptor cn=(ClassDescriptor)it.next();
554 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
556 outclassdefs.println("");
557 //Print out definition for array type
558 outclassdefs.println("struct "+arraytype+" {");
559 outclassdefs.println(" int type;");
561 outclassdefs.println(" pthread_t tid;");
562 outclassdefs.println(" void * lockentry;");
563 outclassdefs.println(" int lockcount;");
566 outclassdefs.println(" int flag;");
567 if(!state.MULTICORE) {
568 outclassdefs.println(" void * flagptr;");
570 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
571 outclassdefs.println(" int version;");
572 outclassdefs.println(" struct ___Object___ * original;");
573 //outclassdefs.println(" int numlocks;"); // array for locks
574 outclassdefs.println(" int * lock;");
577 outclassdefs.println(" int numfses;");
578 outclassdefs.println(" int * fses;");
581 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
583 outclassdefs.println(" int ___length___;");
584 outclassdefs.println("};\n");
585 outclassdefs.println("extern int classsize[];");
586 outclassdefs.println("extern int hasflags[];");
587 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
588 outclassdefs.println("extern int supertypes[];");
591 /** Prints out definitions for generic task structures */
593 private void outputTaskTypes(PrintWriter outtask) {
594 outtask.println("#ifndef _TASK_H");
595 outtask.println("#define _TASK_H");
596 outtask.println("struct parameterdescriptor {");
597 outtask.println("int type;");
598 outtask.println("int numberterms;");
599 outtask.println("int *intarray;");
600 outtask.println("void * queue;");
601 outtask.println("int numbertags;");
602 outtask.println("int *tagarray;");
603 outtask.println("};");
605 outtask.println("struct taskdescriptor {");
606 outtask.println("void * taskptr;");
607 outtask.println("int numParameters;");
608 outtask.println(" int numTotal;");
609 outtask.println("struct parameterdescriptor **descriptorarray;");
610 outtask.println("char * name;");
611 outtask.println("};");
612 outtask.println("extern struct taskdescriptor * taskarray[];");
613 outtask.println("extern numtasks;");
614 outtask.println("#endif");
618 private void buildRepairStructs(PrintWriter outrepairstructs) {
619 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
620 while(classit.hasNext()) {
621 ClassDescriptor cn=(ClassDescriptor)classit.next();
622 outrepairstructs.println("structure "+cn.getSymbol()+" {");
623 outrepairstructs.println(" int __type__;");
625 outrepairstructs.println(" int __flag__;");
626 if(!state.MULTICORE) {
627 outrepairstructs.println(" int __flagptr__;");
630 printRepairStruct(cn, outrepairstructs);
631 outrepairstructs.println("}\n");
634 for(int i=0; i<state.numArrays(); i++) {
635 TypeDescriptor tdarray=arraytable[i];
636 TypeDescriptor tdelement=tdarray.dereference();
637 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
638 outrepairstructs.println(" int __type__;");
639 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
640 outrepairstructs.println(" int length;");
642 // Need to add support to repair tool for this
643 if (tdelement.isClass()||tdelement.isArray())
644 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
646 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
648 outrepairstructs.println("}\n");
652 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
653 ClassDescriptor sp=cn.getSuperDesc();
655 printRepairStruct(sp, output);
657 Vector fields=(Vector)fieldorder.get(cn);
659 for(int i=0; i<fields.size(); i++) {
660 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
661 if (fd.getType().isArray()) {
662 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
663 } else if (fd.getType().isClass())
664 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
665 else if (fd.getType().isFloat())
666 output.println(" int "+fd.getSymbol()+"; /* really float */");
668 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
672 /** This method outputs TaskDescriptor information */
673 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
674 for (int i=0; i<task.numParameters(); i++) {
675 VarDescriptor param_var=task.getParameter(i);
676 TypeDescriptor param_type=task.getParamType(i);
677 FlagExpressionNode param_flag=task.getFlag(param_var);
678 TagExpressionList param_tag=task.getTag(param_var);
681 if (param_flag==null) {
682 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
683 output.println("0x0, 0x0 };");
686 DNFFlag dflag=param_flag.getDNF();
687 dnfterms=dflag.size();
689 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
690 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
691 for(int j=0; j<dflag.size(); j++) {
694 Vector term=dflag.get(j);
697 for(int k=0; k<term.size(); k++) {
698 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
699 FlagDescriptor fd=dfa.getFlag();
700 boolean negated=dfa.getNegated();
701 int flagid=1<<((Integer)flags.get(fd)).intValue();
706 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
708 output.println("};");
711 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
712 //BUG...added next line to fix, test with any task program
714 for(int j=0; j<param_tag.numTags(); j++) {
717 /* for each tag we need */
718 /* which slot it is */
719 /* what type it is */
720 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
721 TempDescriptor tmp=param_tag.getTemp(j);
722 int slot=fm.getTagInt(tmp);
723 output.println(slot+", "+state.getTagId(tvd.getTag()));
725 output.println("};");
727 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
728 output.println("/* type */"+param_type.getClassDesc().getId()+",");
729 output.println("/* number of DNF terms */"+dnfterms+",");
730 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
731 output.println("0,");
732 //BUG, added next line to fix and else statement...test
733 //with any task program
735 output.println("/* number of tags */"+param_tag.numTags()+",");
737 output.println("/* number of tags */ 0,");
738 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
739 output.println("};");
743 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
744 for (int i=0; i<task.numParameters(); i++) {
747 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
749 output.println("};");
751 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
752 output.println("&"+task.getSafeSymbol()+",");
753 output.println("/* number of parameters */" +task.numParameters() + ",");
754 int numtotal=task.numParameters()+fm.numTags();
755 output.println("/* number total parameters */" +numtotal + ",");
756 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
757 output.println("\""+task.getSymbol()+"\"");
758 output.println("};");
762 /** The buildVirtualTables method outputs the virtual dispatch
763 * tables for methods. */
765 protected void buildVirtualTables(PrintWriter outvirtual) {
766 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
767 while(classit.hasNext()) {
768 ClassDescriptor cd=(ClassDescriptor)classit.next();
769 if (virtualcalls.getMethodCount(cd)>maxcount)
770 maxcount=virtualcalls.getMethodCount(cd);
772 MethodDescriptor[][] virtualtable=null;
773 LocalityBinding[][] lbvirtualtable=null;
774 if (state.DSM||state.SINGLETM)
775 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
777 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
779 /* Fill in virtual table */
780 classit=state.getClassSymbolTable().getDescriptorsIterator();
781 while(classit.hasNext()) {
782 ClassDescriptor cd=(ClassDescriptor)classit.next();
783 if (state.DSM||state.SINGLETM)
784 fillinRow(cd, lbvirtualtable, cd.getId());
786 fillinRow(cd, virtualtable, cd.getId());
789 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
790 Iterator arrayit=state.getArrayIterator();
791 while(arrayit.hasNext()) {
792 TypeDescriptor td=(TypeDescriptor)arrayit.next();
793 int id=state.getArrayNumber(td);
794 if (state.DSM||state.SINGLETM)
795 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
797 fillinRow(objectcd, virtualtable, id+state.numClasses());
800 outvirtual.print("void * virtualtable[]={");
801 boolean needcomma=false;
802 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
803 for(int j=0; j<maxcount; j++) {
805 outvirtual.print(", ");
806 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
807 LocalityBinding lb=lbvirtualtable[i][j];
808 MethodDescriptor md=lb.getMethod();
809 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
810 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
811 MethodDescriptor md=virtualtable[i][j];
812 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
814 outvirtual.print("0");
818 outvirtual.println("");
820 outvirtual.println("};");
824 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
825 /* Get inherited methods */
826 if (cd.getSuperDesc()!=null)
827 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
828 /* Override them with our methods */
829 for(Iterator it=cd.getMethods(); it.hasNext();) {
830 MethodDescriptor md=(MethodDescriptor)it.next();
831 if (md.isStatic()||md.getReturnType()==null)
833 int methodnum=virtualcalls.getMethodNumber(md);
834 virtualtable[rownum][methodnum]=md;
838 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
839 /* Get inherited methods */
840 if (cd.getSuperDesc()!=null)
841 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
842 /* Override them with our methods */
843 if (locality.getClassBindings(cd)!=null)
844 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
845 LocalityBinding lb=lbit.next();
846 MethodDescriptor md=lb.getMethod();
847 //Is the method static or a constructor
848 if (md.isStatic()||md.getReturnType()==null)
850 int methodnum=virtualcalls.getLocalityNumber(lb);
851 virtualtable[rownum][methodnum]=lb;
855 /** Generate array that contains the sizes of class objects. The
856 * object allocation functions in the runtime use this
859 private void generateSizeArray(PrintWriter outclassdefs) {
860 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
861 outclassdefs.print("#ifdef TRANSSTATS \n");
862 outclassdefs.print("extern int numTransAbort;\n");
863 outclassdefs.print("extern int numTransCommit;\n");
864 outclassdefs.print("extern int nSoftAbort;\n");
866 outclassdefs.print("extern int nchashSearch;\n");
867 outclassdefs.print("extern int nmhashSearch;\n");
868 outclassdefs.print("extern int nprehashSearch;\n");
869 outclassdefs.print("extern int nRemoteSend;\n");
870 outclassdefs.print("extern int bytesSent;\n");
871 outclassdefs.print("extern int bytesRecv;\n");
872 outclassdefs.print("extern void handle();\n");
873 } else if (state.SINGLETM) {
874 outclassdefs.println("extern int nSoftAbortAbort;");
875 outclassdefs.println("extern int nSoftAbortCommit;");
876 outclassdefs.println("#ifdef STMSTATS\n");
877 outclassdefs.println("extern int typesCausingAbort[];");
878 outclassdefs.println("#endif\n");
880 outclassdefs.print("#endif\n");
881 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
883 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
884 cdarray=new ClassDescriptor[state.numClasses()];
885 while(it.hasNext()) {
886 ClassDescriptor cd=(ClassDescriptor)it.next();
887 cdarray[cd.getId()]=cd;
890 arraytable=new TypeDescriptor[state.numArrays()];
892 Iterator arrayit=state.getArrayIterator();
893 while(arrayit.hasNext()) {
894 TypeDescriptor td=(TypeDescriptor)arrayit.next();
895 int id=state.getArrayNumber(td);
901 /* Print out types */
902 outclassdefs.println("/* ");
903 for(int i=0; i<state.numClasses(); i++) {
904 ClassDescriptor cd=cdarray[i];
905 outclassdefs.println(cd +" "+i);
908 for(int i=0; i<state.numArrays(); i++) {
909 TypeDescriptor arraytd=arraytable[i];
910 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
913 outclassdefs.println("*/");
916 outclassdefs.print("int classsize[]={");
918 boolean needcomma=false;
919 for(int i=0; i<state.numClasses(); i++) {
921 outclassdefs.print(", ");
922 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
927 for(int i=0; i<state.numArrays(); i++) {
929 outclassdefs.print(", ");
930 TypeDescriptor tdelement=arraytable[i].dereference();
931 if (tdelement.isArray()||tdelement.isClass())
932 outclassdefs.print("sizeof(void *)");
934 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
938 outclassdefs.println("};");
940 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
942 outclassdefs.print("int typearray[]={");
943 for(int i=0; i<state.numClasses(); i++) {
944 ClassDescriptor cd=cdarray[i];
945 ClassDescriptor supercd=cd.getSuperDesc();
947 outclassdefs.print(", ");
949 outclassdefs.print("-1");
951 outclassdefs.print(supercd.getId());
955 for(int i=0; i<state.numArrays(); i++) {
956 TypeDescriptor arraytd=arraytable[i];
957 ClassDescriptor arraycd=arraytd.getClassDesc();
960 outclassdefs.print(", ");
961 outclassdefs.print(objectclass.getId());
965 ClassDescriptor cd=arraycd.getSuperDesc();
968 TypeDescriptor supertd=new TypeDescriptor(cd);
969 supertd.setArrayCount(arraytd.getArrayCount());
970 type=state.getArrayNumber(supertd);
972 type+=state.numClasses();
975 cd=cd.getSuperDesc();
978 outclassdefs.print(", ");
979 outclassdefs.print(type);
983 outclassdefs.println("};");
988 outclassdefs.print("int typearray2[]={");
989 for(int i=0; i<state.numArrays(); i++) {
990 TypeDescriptor arraytd=arraytable[i];
991 ClassDescriptor arraycd=arraytd.getClassDesc();
994 outclassdefs.print(", ");
995 outclassdefs.print("-1");
999 ClassDescriptor cd=arraycd.getSuperDesc();
1000 int level=arraytd.getArrayCount()-1;
1002 for(; level>0; level--) {
1003 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1004 supertd.setArrayCount(level);
1005 type=state.getArrayNumber(supertd);
1007 type+=state.numClasses();
1012 outclassdefs.print(", ");
1013 outclassdefs.print(type);
1017 outclassdefs.println("};");
1020 /** Constructs params and temp objects for each method or task.
1021 * These objects tell the compiler which temps need to be
1024 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
1025 MethodDescriptor md=fm.getMethod();
1026 TaskDescriptor task=fm.getTask();
1027 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
1028 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
1030 paramstable.put(lb, objectparams);
1031 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
1032 } else if (md!=null)
1033 paramstable.put(md, objectparams);
1035 paramstable.put(task, objectparams);
1037 for(int i=0; i<fm.numParameters(); i++) {
1038 TempDescriptor temp=fm.getParameter(i);
1039 TypeDescriptor type=temp.getType();
1040 if (type.isPtr()&&GENERATEPRECISEGC)
1041 objectparams.addPtr(temp);
1043 objectparams.addPrim(temp);
1044 if(lb!=null&&saveset.contains(temp)) {
1045 backuptable.get(lb).put(temp, temp.createNew());
1049 for(int i=0; i<fm.numTags(); i++) {
1050 TempDescriptor temp=fm.getTag(i);
1051 if (GENERATEPRECISEGC)
1052 objectparams.addPtr(temp);
1054 objectparams.addPrim(temp);
1057 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1059 tempstable.put(lb, objecttemps);
1061 tempstable.put(md, objecttemps);
1063 tempstable.put(task, objecttemps);
1065 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
1066 FlatNode fn=(FlatNode)nodeit.next();
1067 TempDescriptor[] writes=fn.writesTemps();
1068 for(int i=0; i<writes.length; i++) {
1069 TempDescriptor temp=writes[i];
1070 TypeDescriptor type=temp.getType();
1071 if (type.isPtr()&&GENERATEPRECISEGC)
1072 objecttemps.addPtr(temp);
1074 objecttemps.addPrim(temp);
1075 if(lb!=null&&saveset.contains(temp)&&
1076 !backuptable.get(lb).containsKey(temp))
1077 backuptable.get(lb).put(temp, temp.createNew());
1081 /* Create backup temps */
1083 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
1084 TempDescriptor tmp=tmpit.next();
1085 TypeDescriptor type=tmp.getType();
1086 if (type.isPtr()&&GENERATEPRECISEGC)
1087 objecttemps.addPtr(tmp);
1089 objecttemps.addPrim(tmp);
1091 /* Create temp to hold revert table */
1092 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
1093 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
1094 if (GENERATEPRECISEGC)
1095 objecttemps.addPtr(reverttmp);
1097 objecttemps.addPrim(reverttmp);
1098 reverttable.put(lb, reverttmp);
1103 /** This method outputs the following information about classes
1105 * (1) For classes, what are the locations of pointers.
1106 * (2) For arrays, does the array contain pointers or primitives.
1107 * (3) For classes, does the class contain flags.
1110 private void generateLayoutStructs(PrintWriter output) {
1111 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1112 while(it.hasNext()) {
1113 ClassDescriptor cn=(ClassDescriptor)it.next();
1114 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1115 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1117 while(allit.hasNext()) {
1118 FieldDescriptor fd=(FieldDescriptor)allit.next();
1119 TypeDescriptor type=fd.getType();
1120 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1125 output.print(count);
1126 allit=cn.getFieldTable().getAllDescriptorsIterator();
1127 while(allit.hasNext()) {
1128 FieldDescriptor fd=(FieldDescriptor)allit.next();
1129 TypeDescriptor type=fd.getType();
1130 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1133 output.println(",");
1134 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
1137 output.println("};");
1139 output.println("unsigned INTPTR * pointerarray[]={");
1140 boolean needcomma=false;
1141 for(int i=0; i<state.numClasses(); i++) {
1142 ClassDescriptor cn=cdarray[i];
1144 output.println(",");
1146 output.print(cn.getSafeSymbol()+"_pointers");
1149 for(int i=0; i<state.numArrays(); i++) {
1151 output.println(", ");
1152 TypeDescriptor tdelement=arraytable[i].dereference();
1153 if (tdelement.isArray()||tdelement.isClass())
1154 output.print("((unsigned INTPTR *)1)");
1160 output.println("};");
1162 output.println("int hasflags[]={");
1163 for(int i=0; i<state.numClasses(); i++) {
1164 ClassDescriptor cn=cdarray[i];
1166 output.println(", ");
1173 output.println("};");
1176 /** Print out table to give us supertypes */
1177 private void generateSuperTypeTable(PrintWriter output) {
1178 output.println("int supertypes[]={");
1179 boolean needcomma=false;
1180 for(int i=0; i<state.numClasses(); i++) {
1181 ClassDescriptor cn=cdarray[i];
1183 output.println(",");
1185 if (cn.getSuperDesc()!=null) {
1186 ClassDescriptor cdsuper=cn.getSuperDesc();
1187 output.print(cdsuper.getId());
1191 output.println("};");
1194 /** Force consistent field ordering between inherited classes. */
1196 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
1198 ClassDescriptor sp=cn.getSuperDesc();
1200 printClassStruct(sp, classdefout);
1202 if (!fieldorder.containsKey(cn)) {
1203 Vector fields=new Vector();
1204 fieldorder.put(cn,fields);
1205 if (sp==null&&!state.TASK) {
1206 fields.add(cn.getFieldTable().get("cachedCode"));
1208 Iterator fieldit=cn.getFields();
1209 while(fieldit.hasNext()) {
1210 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
1211 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
1212 (!fd.getSymbol().equals("cachedCode")||state.TASK))
1216 Vector fields=(Vector)fieldorder.get(cn);
1218 for(int i=0; i<fields.size(); i++) {
1219 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1220 if (fd.getType().isClass()||fd.getType().isArray())
1221 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1223 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1228 /* Map flags to integers consistently between inherited
1231 protected void mapFlags(ClassDescriptor cn) {
1232 ClassDescriptor sp=cn.getSuperDesc();
1236 if (!flagorder.containsKey(cn)) {
1237 Hashtable flags=new Hashtable();
1238 flagorder.put(cn,flags);
1240 Hashtable superflags=(Hashtable)flagorder.get(sp);
1241 Iterator superflagit=superflags.keySet().iterator();
1242 while(superflagit.hasNext()) {
1243 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1244 Integer number=(Integer)superflags.get(fd);
1245 flags.put(fd, number);
1246 if ((number.intValue()+1)>max)
1247 max=number.intValue()+1;
1251 Iterator flagit=cn.getFlags();
1252 while(flagit.hasNext()) {
1253 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1254 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1255 flags.put(fd, new Integer(max++));
1261 /** This function outputs (1) structures that parameters are
1262 * passed in (when PRECISE GC is enabled) and (2) function
1263 * prototypes for the methods */
1265 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1266 /* Output class structure */
1267 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1268 classdefout.println(" int type;");
1270 classdefout.println(" pthread_t tid;");
1271 classdefout.println(" void * lockentry;");
1272 classdefout.println(" int lockcount;");
1276 classdefout.println(" int flag;");
1277 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1278 classdefout.println(" void * flagptr;");
1279 } else if (state.MULTICORE) {
1280 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1281 classdefout.println(" int version;");
1282 classdefout.println(" struct ___Object___ * original;");
1283 //classdefout.println(" int numlocks;"); // array for locks
1284 classdefout.println(" int * lock;");
1286 if (state.OPTIONAL) {
1287 classdefout.println(" int numfses;");
1288 classdefout.println(" int * fses;");
1291 printClassStruct(cn, classdefout);
1292 classdefout.println("};\n");
1294 if (state.DSM||state.SINGLETM) {
1295 /* Cycle through LocalityBindings */
1296 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1297 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1299 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1300 LocalityBinding lb=lbit.next();
1301 MethodDescriptor md=lb.getMethod();
1302 if (md.getModifiers().isNative()) {
1303 //make sure we only print a native method once
1304 if (nativemethods.contains(md)) {
1305 FlatMethod fm=state.getMethodFlat(md);
1306 generateTempStructs(fm, lb);
1309 nativemethods.add(md);
1311 generateMethod(cn, md, lb, headersout, output);
1314 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1315 MethodDescriptor md=(MethodDescriptor)methodit.next();
1316 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1317 //Need to build param structure for library code
1318 FlatMethod fm=state.getMethodFlat(md);
1319 generateTempStructs(fm, null);
1320 generateMethodParam(cn, md, null, output);
1325 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1326 MethodDescriptor md=(MethodDescriptor)methodit.next();
1327 generateMethod(cn, md, null, headersout, output);
1331 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1332 /* Output parameter structure */
1333 if (GENERATEPRECISEGC) {
1334 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1335 if ((state.DSM||state.SINGLETM)&&lb!=null)
1336 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1338 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1339 output.println(" INTPTR size;");
1340 output.println(" void * next;");
1341 for(int i=0; i<objectparams.numPointers(); i++) {
1342 TempDescriptor temp=objectparams.getPointer(i);
1343 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1345 output.println("};\n");
1350 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1351 FlatMethod fm=state.getMethodFlat(md);
1352 generateTempStructs(fm, lb);
1354 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1355 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1357 generateMethodParam(cn, md, lb, output);
1359 /* Output temp structure */
1360 if (GENERATEPRECISEGC) {
1361 if (state.DSM||state.SINGLETM)
1362 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1364 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1365 output.println(" INTPTR size;");
1366 output.println(" void * next;");
1367 for(int i=0; i<objecttemps.numPointers(); i++) {
1368 TempDescriptor temp=objecttemps.getPointer(i);
1369 if (temp.getType().isNull())
1370 output.println(" void * "+temp.getSafeSymbol()+";");
1372 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1374 output.println("};\n");
1377 /********* Output method declaration ***********/
1378 if (state.DSM||state.SINGLETM) {
1379 headersout.println("#define D"+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1381 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1383 /* First the return type */
1384 if (md.getReturnType()!=null) {
1385 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1386 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1388 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1390 //catch the constructor case
1391 headersout.print("void ");
1393 /* Next the method name */
1394 if (state.DSM||state.SINGLETM) {
1395 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1397 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1399 boolean printcomma=false;
1400 if (GENERATEPRECISEGC) {
1401 if (state.DSM||state.SINGLETM) {
1402 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1404 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1408 /* Output parameter list*/
1409 for(int i=0; i<objectparams.numPrimitives(); i++) {
1410 TempDescriptor temp=objectparams.getPrimitive(i);
1412 headersout.print(", ");
1414 if (temp.getType().isClass()||temp.getType().isArray())
1415 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1417 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1419 headersout.println(");\n");
1423 /** This function outputs (1) structures that parameters are
1424 * passed in (when PRECISE GC is enabled) and (2) function
1425 * prototypes for the tasks */
1427 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1428 /* Cycle through tasks */
1429 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1431 while(taskit.hasNext()) {
1432 /* Classify parameters */
1433 TaskDescriptor task=(TaskDescriptor)taskit.next();
1434 FlatMethod fm=state.getMethodFlat(task);
1435 generateTempStructs(fm, null);
1437 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1438 TempObject objecttemps=(TempObject) tempstable.get(task);
1440 /* Output parameter structure */
1441 if (GENERATEPRECISEGC) {
1442 output.println("struct "+task.getSafeSymbol()+"_params {");
1444 output.println(" INTPTR size;");
1445 output.println(" void * next;");
1446 for(int i=0; i<objectparams.numPointers(); i++) {
1447 TempDescriptor temp=objectparams.getPointer(i);
1448 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1451 output.println("};\n");
1452 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1453 maxtaskparams=objectparams.numPointers()+fm.numTags();
1457 /* Output temp structure */
1458 if (GENERATEPRECISEGC) {
1459 output.println("struct "+task.getSafeSymbol()+"_locals {");
1460 output.println(" INTPTR size;");
1461 output.println(" void * next;");
1462 for(int i=0; i<objecttemps.numPointers(); i++) {
1463 TempDescriptor temp=objecttemps.getPointer(i);
1464 if (temp.getType().isNull())
1465 output.println(" void * "+temp.getSafeSymbol()+";");
1466 else if(temp.getType().isTag())
1467 output.println(" struct "+
1468 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1470 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1472 output.println("};\n");
1475 /* Output task declaration */
1476 headersout.print("void " + task.getSafeSymbol()+"(");
1478 boolean printcomma=false;
1479 if (GENERATEPRECISEGC) {
1480 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1482 headersout.print("void * parameterarray[]");
1483 headersout.println(");\n");
1487 /***** Generate code for FlatMethod fm. *****/
1489 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1490 if (State.PRINTFLAT)
1491 System.out.println(fm.printMethod());
1492 MethodDescriptor md=fm.getMethod();
1494 TaskDescriptor task=fm.getTask();
1496 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1498 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1499 generateHeader(fm, lb, md!=null ? md : task,output);
1500 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1502 if (GENERATEPRECISEGC) {
1503 if (md!=null&&(state.DSM||state.SINGLETM))
1504 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1505 else if (md!=null&&!(state.DSM||state.SINGLETM))
1506 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1508 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1510 output.print(objecttemp.numPointers()+",");
1511 output.print(paramsprefix);
1512 for(int j=0; j<objecttemp.numPointers(); j++)
1513 output.print(", NULL");
1514 output.println("};");
1517 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1518 TempDescriptor td=objecttemp.getPrimitive(i);
1519 TypeDescriptor type=td.getType();
1521 output.println(" void * "+td.getSafeSymbol()+";");
1522 else if (type.isClass()||type.isArray())
1523 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1525 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1528 /* Check to see if we need to do a GC if this is a
1529 * multi-threaded program...*/
1531 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1532 //Don't bother if we aren't in recursive methods...The loops case will catch it
1533 if (callgraph.getAllMethods(md).contains(md)) {
1534 if (state.DSM&&lb.isAtomic())
1535 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1537 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1541 generateCode(fm.getNext(0), fm, lb, null, output);
1543 output.println("}\n\n");
1546 // when a new mlp thread is created for an issued SESE, it is started
1547 // by running this method which blocks on a cond variable until
1548 // it is allowed to transition to execute. Then a case statement
1549 // allows it to invoke the method with the proper SESE body, and after
1550 // exiting the SESE method, executes proper SESE exit code before the
1551 // thread can be destroyed
1552 private void generateSESEinvocationMethod(PrintWriter outmethodheader,
1553 PrintWriter outmethod
1556 outmethodheader.println("void invokeSESEmethod( void* vargs );");
1557 outmethod.println( "void invokeSESEmethod( void* vargs ) {");
1558 outmethod.println( " int status;");
1559 outmethod.println( " char errmsg[128];");
1560 outmethod.println( " invokeSESEargs* args = (invokeSESEargs*) vargs;");
1563 // wait on a condition variable that dispatcher will signal
1564 // then this SESE instance's dependencies are resolved
1565 outmethod.println( " status = pthread_mutex_lock( args->invokee->startCondVarLock );");
1566 outmethod.println( " "+mlperrstr);
1567 outmethod.println( " while( !(args->invokee->startedExecuting) ){");
1568 outmethod.println( " status = pthread_cond_wait( args->invokee->startCondVar, args->invokee->startCondVarLock );");
1569 outmethod.println( " "+mlperrstr);
1570 outmethod.println( " }");
1573 // generate a case for each SESE class that can be invoked
1574 outmethod.println( " switch( args->classID ) {");
1575 outmethod.println( " ");
1576 for(Iterator<FlatSESEEnterNode> seseit=mlpa.getAllSESEs().iterator();seseit.hasNext();) {
1577 FlatSESEEnterNode fsen = seseit.next();
1578 outmethod.println( " /* "+fsen.getPrettyIdentifier()+" */");
1579 outmethod.println( " case "+fsen.getIdentifier()+":");
1580 generateSESEinvocation(fsen, outmethod);
1581 outmethod.println( " break;");
1582 outmethod.println( "");
1585 // default case should never be taken, error out
1586 outmethod.println( " default:");
1587 outmethod.println( " printf(\"Error: unknown SESE class ID in invoke method.\\n\");");
1588 outmethod.println( " exit(-30);");
1589 outmethod.println( " break;");
1590 outmethod.println( " }");
1591 outmethod.println( "}\n\n");
1594 private void generateSESEinvocation(FlatSESEEnterNode fsen,
1598 FlatMethod fm = fsen.getEnclosingFlatMeth();
1599 MethodDescriptor md = fm.getMethod();
1600 ClassDescriptor cn = md.getClassDesc();
1602 FlatMethod bogusfm = sese2bogusFlatMeth.get(fsen);
1603 MethodDescriptor bogusmd = bogusfm.getMethod();
1604 ParamsObject objectparams = (ParamsObject)paramstable.get(bogusmd);
1606 // first copy SESE record into param structure
1609 // then invoke the sese's method
1610 output.print(" "+cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"_"+bogusmd.getSafeMethodDescriptor());
1611 output.print("( args->invokee, ");
1613 // first argument is parameter structure
1614 output.print("(struct "+cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"__params*)");
1615 output.print("&(args->invokee->paramStruct)");
1617 // other arguments are primitive parameters
1618 for(int i=0; i<objectparams.numPrimitives(); i++) {
1619 TempDescriptor td=objectparams.getPrimitive(i);
1620 TypeDescriptor type=td.getType();
1621 assert type.isPrimitive();
1622 output.print( ", (("+fsen.namespaceStructNameString()+
1623 "*)args->invokee->namespace)->"+td );
1626 output.println(");");
1629 protected void generateMethodSESE(FlatSESEEnterNode fsen,
1631 PrintWriter outputStructs,
1632 PrintWriter outputMethHead,
1633 PrintWriter outputMethods
1637 FlatMethod fm = fsen.getEnclosingFlatMeth();
1638 MethodDescriptor md = fm.getMethod();
1639 ClassDescriptor cn = md.getClassDesc();
1642 //Creates bogus method descriptor to index into tables
1643 Modifiers bogusmod=new Modifiers();
1644 MethodDescriptor bogusmd=new MethodDescriptor(bogusmod,
1645 new TypeDescriptor(TypeDescriptor.VOID),
1646 "sese_"+fsen.getPrettyIdentifier()+fsen.getIdentifier());
1647 bogusmd.setClassDesc(cn);
1648 FlatMethod bogusfm=new FlatMethod(bogusmd, null);
1649 sese2bogusFlatMeth.put(fsen, bogusfm);
1652 //Build paramsobj for bogus method descriptor
1653 ParamsObject objectparams=new ParamsObject(bogusmd, tag++);
1654 paramstable.put(bogusmd, objectparams);
1656 for(int i=0; i<fsen.numParameters(); i++) {
1657 TempDescriptor temp=fsen.getParameter(i);
1658 TypeDescriptor type=temp.getType();
1659 if (type.isPtr()&&GENERATEPRECISEGC) {
1660 objectparams.addPtr(temp);
1662 objectparams.addPrim(temp);
1667 //Build normal temp object for bogus method descriptor
1668 TempObject objecttemps=new TempObject(objectparams,bogusmd,tag++);
1669 tempstable.put(bogusmd, objecttemps);
1671 for(Iterator nodeit=fsen.getNodeSet().iterator(); nodeit.hasNext();) {
1672 FlatNode fn=(FlatNode)nodeit.next();
1673 TempDescriptor[] writes=fn.writesTemps();
1674 for(int i=0; i<writes.length; i++) {
1675 TempDescriptor temp=writes[i];
1676 TypeDescriptor type=temp.getType();
1677 if (type.isPtr()&&GENERATEPRECISEGC)
1678 objecttemps.addPtr(temp);
1680 objecttemps.addPrim(temp);
1684 // declare namespace struct
1685 outputStructs.println(fsen.namespaceStructDeclarationString());
1687 //Generate code for parameters structure
1688 generateMethodParam(cn, bogusmd, null, outputStructs);
1690 //Generate code for locals structure
1691 outputStructs.println("struct "+cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"_"+bogusmd.getSafeMethodDescriptor()+"_locals {");
1692 outputStructs.println(" INTPTR size;");
1693 outputStructs.println(" void * next;");
1694 for(int i=0; i<objecttemps.numPointers(); i++) {
1695 TempDescriptor temp=objecttemps.getPointer(i);
1696 if (temp.getType().isNull())
1697 outputStructs.println(" void * "+temp.getSafeSymbol()+";");
1699 outputStructs.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1701 outputStructs.println("};\n");
1704 // write method declaration to header file
1705 outputMethHead.print("void ");
1706 outputMethHead.print(cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"_"+bogusmd.getSafeMethodDescriptor()+"(");
1707 outputMethHead.print("SESErecord* currentSESE, ");
1708 boolean printcomma=false;
1709 if (GENERATEPRECISEGC) {
1710 outputMethHead.print("struct "+cn.getSafeSymbol()+
1711 bogusmd.getSafeSymbol()+"_"+
1712 bogusmd.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1715 // Output parameter list
1716 for(int i=0; i<objectparams.numPrimitives(); i++) {
1717 TempDescriptor temp=objectparams.getPrimitive(i);
1719 outputMethHead.print(", ");
1721 if (temp.getType().isClass()||temp.getType().isArray())
1722 outputMethHead.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1724 outputMethHead.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1726 outputMethHead.println(");\n");
1729 generateFlatMethodSESE(bogusfm, cn, fsen, fsen.getFlatExit(), outputMethods);
1732 private void generateFlatMethodSESE(FlatMethod fm,
1734 FlatSESEEnterNode seseEnter,
1735 FlatSESEExitNode seseExit,
1739 MethodDescriptor md=fm.getMethod();
1740 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
1741 generateHeader(fm, null, md, output, true);
1742 TempObject objecttemp=(TempObject) tempstable.get(md);
1745 if (GENERATEPRECISEGC) {
1746 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1747 output.print(objecttemp.numPointers()+",");
1748 output.print(paramsprefix);
1749 for(int j=0; j<objecttemp.numPointers(); j++)
1750 output.print(", NULL");
1751 output.println("};");
1754 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1755 TempDescriptor td=objecttemp.getPrimitive(i);
1756 TypeDescriptor type=td.getType();
1758 output.println(" void * "+td.getSafeSymbol()+";");
1759 else if (type.isClass()||type.isArray())
1760 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1762 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1766 // declare variables for naming SESE's
1767 Iterator<SESEandAgePair> pItr = seseEnter.getNeededStaticNames().iterator();
1768 while( pItr.hasNext() ) {
1769 SESEandAgePair p = pItr.next();
1770 output.println(" SESErecord* "+p+";");
1774 // Check to see if we need to do a GC if this is a
1775 // multi-threaded program...
1776 if (GENERATEPRECISEGC) {
1777 //Don't bother if we aren't in recursive methods...The loops case will catch it
1778 if (callgraph.getAllMethods(md).contains(md)) {
1779 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1784 generateCode(seseEnter.getNext(0), fm, null, seseExit, output);
1787 output.println("}\n\n");
1790 protected void generateCode(FlatNode first,
1793 FlatSESEExitNode stop,
1794 PrintWriter output) {
1796 // for any method, allocate temps to use when
1797 // issuing a new SESE sometime during the execution
1798 // of that method, whether it be a user-defined method
1799 // or a method representing the body of an SESE
1800 // TODO: only do this if we know the method actually
1801 // contains an SESE issue, not currently an annotation
1803 output.println(" SESErecord* tempSESE;");
1804 output.println(" invokeSESEargs* tempSESEargs;");
1808 /* Assign labels to FlatNode's if necessary.*/
1809 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(first, stop);
1811 /* Do the actual code generation */
1812 FlatNode current_node=null;
1813 HashSet tovisit=new HashSet();
1814 HashSet visited=new HashSet();
1816 while(current_node!=null||!tovisit.isEmpty()) {
1817 if (current_node==null) {
1818 current_node=(FlatNode)tovisit.iterator().next();
1819 tovisit.remove(current_node);
1820 } else if (tovisit.contains(current_node)) {
1821 tovisit.remove(current_node);
1823 visited.add(current_node);
1824 if (nodetolabel.containsKey(current_node)) {
1825 output.println("L"+nodetolabel.get(current_node)+":");
1827 if (state.INSTRUCTIONFAILURE) {
1828 if (state.THREAD||state.DSM||state.SINGLETM) {
1829 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1831 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1833 if (current_node.numNext()==0||current_node==stop) {
1835 generateFlatNode(fm, lb, current_node, output);
1836 if (current_node.kind()!=FKind.FlatReturnNode) {
1837 output.println(" return;");
1840 } else if(current_node.numNext()==1) {
1842 if (state.MLP && current_node.kind()==FKind.FlatSESEEnterNode) {
1843 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
1844 generateFlatNode(fm, lb, current_node, output);
1845 nextnode=fsen.getFlatExit().getNext(0);
1848 generateFlatNode(fm, lb, current_node, output);
1849 nextnode=current_node.getNext(0);
1851 if (visited.contains(nextnode)) {
1852 output.println("goto L"+nodetolabel.get(nextnode)+";");
1855 current_node=nextnode;
1856 } else if (current_node.numNext()==2) {
1859 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1860 if (!visited.contains(current_node.getNext(1)))
1861 tovisit.add(current_node.getNext(1));
1862 if (visited.contains(current_node.getNext(0))) {
1863 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1866 current_node=current_node.getNext(0);
1867 } else throw new Error();
1872 /** This method assigns labels to FlatNodes */
1873 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first) {
1874 return assignLabels(first, null);
1876 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, FlatSESEExitNode last) {
1877 HashSet tovisit=new HashSet();
1878 HashSet visited=new HashSet();
1880 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1883 /*Assign labels first. A node needs a label if the previous
1884 * node has two exits or this node is a join point. */
1886 while(!tovisit.isEmpty()) {
1887 FlatNode fn=(FlatNode)tovisit.iterator().next();
1892 if( fn.equals(last) ) {
1893 // if last is not null and matches, don't go
1894 // any further for assigning labels
1898 for(int i=0; i<fn.numNext(); i++) {
1899 FlatNode nn=fn.getNext(i);
1902 //1) Edge >1 of node
1903 nodetolabel.put(nn,new Integer(labelindex++));
1905 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1909 nodetolabel.put(nn,new Integer(labelindex++));
1917 /** Generate text string that corresponds to the TempDescriptor td. */
1918 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1919 MethodDescriptor md=fm.getMethod();
1920 TaskDescriptor task=fm.getTask();
1921 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1923 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1924 //System.out.println("generateTemp returns " + td.getSafeSymbol());
1925 return td.getSafeSymbol();
1928 if (objecttemps.isLocalPtr(td)) {
1929 return localsprefix+"."+td.getSafeSymbol();
1932 if (objecttemps.isParamPtr(td)) {
1933 return paramsprefix+"->"+td.getSafeSymbol();
1939 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1943 case FKind.FlatAtomicEnterNode:
1944 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1947 case FKind.FlatAtomicExitNode:
1948 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1951 case FKind.FlatInstanceOfNode:
1952 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
1955 case FKind.FlatSESEEnterNode:
1956 generateFlatSESEEnterNode(fm, lb, (FlatSESEEnterNode)fn, output);
1959 case FKind.FlatSESEExitNode:
1960 generateFlatSESEExitNode(fm, lb, (FlatSESEExitNode)fn, output);
1963 case FKind.FlatGlobalConvNode:
1964 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1967 case FKind.FlatTagDeclaration:
1968 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1971 case FKind.FlatCall:
1972 generateFlatCall(fm, lb, (FlatCall) fn,output);
1975 case FKind.FlatFieldNode:
1976 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1979 case FKind.FlatElementNode:
1980 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1983 case FKind.FlatSetElementNode:
1984 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1987 case FKind.FlatSetFieldNode:
1988 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1992 generateFlatNew(fm, lb, (FlatNew) fn,output);
1995 case FKind.FlatOpNode:
1996 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1999 case FKind.FlatCastNode:
2000 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
2003 case FKind.FlatLiteralNode:
2004 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
2007 case FKind.FlatReturnNode:
2008 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
2012 output.println("/* nop */");
2015 case FKind.FlatExit:
2016 output.println("/* exit */");
2019 case FKind.FlatBackEdge:
2020 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
2021 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
2022 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
2024 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
2026 output.println("/* nop */");
2029 case FKind.FlatCheckNode:
2030 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
2033 case FKind.FlatFlagActionNode:
2034 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
2037 case FKind.FlatPrefetchNode:
2038 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
2041 case FKind.FlatOffsetNode:
2042 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
2051 CodePlan cp = mlpa.getCodePlan( fn );
2054 Set<VariableSourceToken> writeDynamic = cp.getWriteToDynamicSrc();
2055 if( writeDynamic != null ) {
2062 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
2063 output.println("/* FlatOffsetNode */");
2064 FieldDescriptor fd=fofn.getField();
2065 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+");");
2066 output.println("/* offset */");
2069 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
2070 if (state.PREFETCH) {
2071 Vector oids = new Vector();
2072 Vector fieldoffset = new Vector();
2073 Vector endoffset = new Vector();
2074 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
2075 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
2076 PrefetchPair pp = (PrefetchPair) it.next();
2077 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
2078 /* Find prefetches that can generate oid */
2079 if(statusbase == LocalityAnalysis.GLOBAL) {
2080 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
2082 } else if (statusbase == LocalityAnalysis.LOCAL) {
2083 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
2090 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
2091 output.println("{");
2092 output.println("/* prefetch */");
2093 output.println("/* prefetchid_" + fpn.siteid + " */");
2094 output.println("void * prefptr;");
2095 output.println("int tmpindex;");
2097 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
2098 /*Create C code for oid array */
2099 output.print(" unsigned int oidarray_[] = {");
2100 boolean needcomma=false;
2101 for (Iterator it = oids.iterator(); it.hasNext();) {
2104 output.print(it.next());
2107 output.println("};");
2109 /*Create C code for endoffset values */
2110 output.print(" unsigned short endoffsetarry_[] = {");
2112 for (Iterator it = endoffset.iterator(); it.hasNext();) {
2115 output.print(it.next());
2118 output.println("};");
2120 /*Create C code for Field Offset Values */
2121 output.print(" short fieldarry_[] = {");
2123 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
2126 output.print(it.next());
2129 output.println("};");
2130 /* make the prefetch call to Runtime */
2131 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
2132 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
2133 output.println(" }");
2134 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
2135 output.println(" } else {");
2136 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
2137 output.println(" }");
2138 output.println("}");
2142 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
2143 short offsetcount = 0;
2147 } else if (localbase) {
2148 for(; breakindex<pp.desc.size(); breakindex++) {
2149 Descriptor desc=pp.getDescAt(breakindex);
2150 if (desc instanceof FieldDescriptor) {
2151 FieldDescriptor fd=(FieldDescriptor)desc;
2152 if (fd.isGlobal()) {
2160 if (breakindex>pp.desc.size()) //all local
2163 TypeDescriptor lasttype=pp.base.getType();
2164 String basestr=generateTemp(fm, pp.base, lb);
2166 boolean maybenull=fm.getMethod().isStatic()||
2167 !pp.base.equals(fm.getParameter(0));
2169 for(int i=0; i<breakindex; i++) {
2170 String indexcheck="";
2172 Descriptor desc=pp.getDescAt(i);
2173 if (desc instanceof FieldDescriptor) {
2174 FieldDescriptor fd=(FieldDescriptor)desc;
2176 if (!teststr.equals(""))
2178 teststr+="((prefptr="+basestr+")!=NULL)";
2179 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
2181 basestr=basestr+"->"+fd.getSafeSymbol();
2184 lasttype=fd.getType();
2186 IndexDescriptor id=(IndexDescriptor)desc;
2187 indexcheck="((tmpindex=";
2188 for(int j=0; j<id.tddesc.size(); j++) {
2189 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
2191 indexcheck+=id.offset+")>=0)&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
2193 if (!teststr.equals(""))
2195 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
2196 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
2198 lasttype=lasttype.dereference();
2203 if (teststr.equals("")) {
2204 oid="((unsigned int)"+basestr+")";
2206 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
2210 for(int i = breakindex; i < pp.desc.size(); i++) {
2211 String newfieldoffset;
2212 Object desc = pp.getDescAt(i);
2213 if(desc instanceof FieldDescriptor) {
2214 FieldDescriptor fd=(FieldDescriptor)desc;
2215 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
2216 lasttype=fd.getType();
2218 newfieldoffset = "";
2219 IndexDescriptor id=(IndexDescriptor)desc;
2220 for(int j = 0; j < id.tddesc.size(); j++) {
2221 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
2223 newfieldoffset += id.offset.toString();
2224 lasttype=lasttype.dereference();
2226 fieldoffset.add(newfieldoffset);
2229 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
2230 base+=pp.desc.size()-breakindex;
2231 endoffset.add(new Short((short)base));
2236 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
2237 if (lb!=fgcn.getLocality())
2239 /* Have to generate flat globalconv */
2240 if (fgcn.getMakePtr()) {
2242 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
2244 if ((dc==null)||dc.getNeedTrans(lb, fgcn)) {
2245 //need to do translation
2246 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+", (void *)&("+localsprefix+"));");
2250 /* Need to convert to OID */
2251 if (fgcn.doConvert()) {
2252 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
2254 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
2259 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
2261 if (fion.getType().isArray()) {
2262 type=state.getArrayNumber(fion.getType())+state.numClasses();
2264 type=fion.getType().getClassDesc().getId();
2267 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2268 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
2270 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
2273 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
2274 /* Check to see if we need to generate code for this atomic */
2275 if (locality==null) {
2276 output.println("pthread_mutex_lock(&atomiclock);");
2280 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
2282 /* Backup the temps. */
2283 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2284 TempDescriptor tmp=tmpit.next();
2285 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
2288 output.println("goto transstart"+faen.getIdentifier()+";");
2290 /******* Print code to retry aborted transaction *******/
2291 output.println("transretry"+faen.getIdentifier()+":");
2294 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2295 TempDescriptor tmp=tmpit.next();
2296 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
2300 /********* Need to revert local object store ********/
2301 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2303 output.println("while ("+revertptr+") {");
2304 output.println("struct ___Object___ * tmpptr;");
2305 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2306 output.println("REVERT_OBJ("+revertptr+");");
2307 output.println(revertptr+"=tmpptr;");
2308 output.println("}");
2310 /******* Tell the runtime to start the transaction *******/
2312 output.println("transstart"+faen.getIdentifier()+":");
2313 output.println("transStart();");
2315 if (state.ABORTREADERS) {
2316 output.println("if (_setjmp(aborttrans)) {");
2317 output.println(" goto transretry"+faen.getIdentifier()+"; }");
2321 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
2322 /* Check to see if we need to generate code for this atomic */
2323 if (locality==null) {
2324 output.println("pthread_mutex_unlock(&atomiclock);");
2327 if (locality.getAtomic(lb).get(faen).intValue()>0)
2329 //store the revert list before we lose the transaction object
2330 String revertptr=null;
2332 revertptr=generateTemp(fm, reverttable.get(lb),lb);
2333 output.println(revertptr+"=revertlist;");
2335 output.println("if (transCommit()) {");
2336 /* Transaction aborts if it returns true */
2337 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2339 output.println("} else {");
2340 /* Need to commit local object store */
2341 output.println("while ("+revertptr+") {");
2342 output.println("struct ___Object___ * tmpptr;");
2343 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2344 output.println("COMMIT_OBJ("+revertptr+");");
2345 output.println(revertptr+"=tmpptr;");
2346 output.println("}");
2348 output.println("}");
2351 public void generateFlatSESEEnterNode(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode fsen, PrintWriter output) {
2353 // SESE nodes can be parsed for normal compilation, just skip over them
2357 output.println("\n /* SESE "+fsen.getPrettyIdentifier()+" issue */");
2358 output.println(" tempSESE = mlpCreateSESErecord( "+
2359 fsen.getIdentifier()+", "+
2360 "malloc( sizeof( "+fsen.namespaceStructNameString()+") ), "+
2363 for( int i = 0; i < fsen.numParameters(); ++i ) {
2364 TempDescriptor td = fsen.getParameter( i );
2365 output.println(" (("+fsen.namespaceStructNameString()+
2366 "*)tempSESE->namespace)->"+td+" = "+td+";");
2369 output.println(" mlpIssue( tempSESE );");
2370 //output.println(" tempSESE = mlpSchedule();");
2372 // do a pthread_create wit invokeSESE as the argument
2373 // and pack all args into a single void*
2374 output.println(" tempSESEargs = malloc( sizeof( invokeSESEargs ) );");
2375 output.println(" tempSESEargs->classID = "+fsen.getIdentifier()+";");
2376 output.println(" tempSESEargs->invokee = mlpSchedule();");
2378 if( fsen.getParent() == null ) {
2379 output.println(" tempSESEargs->parent = NULL;");
2381 output.println(" tempSESEargs->parent = currentSESE;");
2384 output.println(" invokeSESEmethod( (void*) tempSESEargs );");
2385 output.println("\n");
2388 public void generateFlatSESEExitNode(FlatMethod fm, LocalityBinding lb, FlatSESEExitNode fsen, PrintWriter output) {
2390 // SESE nodes can be parsed for normal compilation, just skip over them
2395 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
2396 if (state.CONSCHECK) {
2397 String specname=fcn.getSpec();
2398 String varname="repairstate___";
2399 output.println("{");
2400 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2402 TempDescriptor[] temps=fcn.getTemps();
2403 String[] vars=fcn.getVars();
2404 for(int i=0; i<temps.length; i++) {
2405 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
2408 output.println("if (doanalysis"+specname+"("+varname+")) {");
2409 output.println("free"+specname+"_state("+varname+");");
2410 output.println("} else {");
2411 output.println("/* Bad invariant */");
2412 output.println("free"+specname+"_state("+varname+");");
2413 output.println("abort_task();");
2414 output.println("}");
2415 output.println("}");
2419 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
2420 MethodDescriptor md=fc.getMethod();
2421 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM||state.SINGLETM ? locality.getBinding(lb, fc) : md);
2422 ClassDescriptor cn=md.getClassDesc();
2423 output.println("{");
2424 if (GENERATEPRECISEGC) {
2425 if (state.DSM||state.SINGLETM) {
2426 LocalityBinding fclb=locality.getBinding(lb, fc);
2427 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2429 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2431 output.print(objectparams.numPointers());
2432 output.print(", & "+localsprefix);
2433 if (md.getThis()!=null) {
2435 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
2437 if (fc.getThis()!=null&&md.getThis()==null) {
2438 System.out.println("WARNING!!!!!!!!!!!!");
2439 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2443 for(int i=0; i<fc.numArgs(); i++) {
2444 Descriptor var=md.getParameter(i);
2445 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2446 if (objectparams.isParamPtr(paramtemp)) {
2447 TempDescriptor targ=fc.getArg(i);
2449 TypeDescriptor td=md.getParamType(i);
2451 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2453 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2456 output.println("};");
2461 if (fc.getReturnTemp()!=null)
2462 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
2464 /* Do we need to do virtual dispatch? */
2465 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
2467 if (state.DSM||state.SINGLETM) {
2468 LocalityBinding fclb=locality.getBinding(lb, fc);
2469 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2471 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2476 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2477 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2479 output.print(md.getReturnType().getSafeSymbol()+" ");
2480 output.print("(*)(");
2482 boolean printcomma=false;
2483 if (GENERATEPRECISEGC) {
2484 if (state.DSM||state.SINGLETM) {
2485 LocalityBinding fclb=locality.getBinding(lb, fc);
2486 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2488 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2492 for(int i=0; i<objectparams.numPrimitives(); i++) {
2493 TempDescriptor temp=objectparams.getPrimitive(i);
2497 if (temp.getType().isClass()||temp.getType().isArray())
2498 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2500 output.print(temp.getType().getSafeSymbol());
2504 if (state.DSM||state.SINGLETM) {
2505 LocalityBinding fclb=locality.getBinding(lb, fc);
2506 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
2508 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2512 boolean needcomma=false;
2513 if (GENERATEPRECISEGC) {
2514 output.print("&__parameterlist__");
2518 if (!GENERATEPRECISEGC) {
2519 if (fc.getThis()!=null) {
2520 TypeDescriptor ptd=md.getThis().getType();
2523 if (ptd.isClass()&&!ptd.isArray())
2524 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2525 output.print(generateTemp(fm,fc.getThis(),lb));
2530 for(int i=0; i<fc.numArgs(); i++) {
2531 Descriptor var=md.getParameter(i);
2532 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2533 if (objectparams.isParamPrim(paramtemp)) {
2534 TempDescriptor targ=fc.getArg(i);
2538 TypeDescriptor ptd=md.getParamType(i);
2539 if (ptd.isClass()&&!ptd.isArray())
2540 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2541 output.print(generateTemp(fm, targ,lb));
2545 output.println(");");
2546 output.println(" }");
2549 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2550 Set subclasses=typeutil.getSubClasses(thiscd);
2551 if (subclasses==null)
2553 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
2554 ClassDescriptor cd=(ClassDescriptor)classit.next();
2555 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
2556 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
2557 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2558 if (md.matches(matchmd))
2565 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
2566 if (state.SINGLETM) {
2567 //single machine transactional memory case
2568 String field=ffn.getField().getSafeSymbol();
2569 String src=generateTemp(fm, ffn.getSrc(),lb);
2570 String dst=generateTemp(fm, ffn.getDst(),lb);
2572 output.println(dst+"="+ src +"->"+field+ ";");
2573 if (ffn.getField().getType().isPtr()&&locality.getAtomic(lb).get(ffn).intValue()>0&&
2574 ((dc==null)||dc.getNeedTrans(lb, ffn))&&
2575 locality.getNodePreTempInfo(lb, ffn).get(ffn.getSrc())!=LocalityAnalysis.SCRATCH) {
2576 output.println("TRANSREAD("+dst+", "+dst+", (void *) &(" + localsprefix + "));");
2578 } else if (state.DSM) {
2579 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
2580 if (status==LocalityAnalysis.GLOBAL) {
2581 String field=ffn.getField().getSafeSymbol();
2582 String src=generateTemp(fm, ffn.getSrc(),lb);
2583 String dst=generateTemp(fm, ffn.getDst(),lb);
2585 if (ffn.getField().getType().isPtr()) {
2587 //TODO: Uncomment this when we have runtime support
2588 //if (ffn.getSrc()==ffn.getDst()) {
2589 //output.println("{");
2590 //output.println("void * temp="+src+";");
2591 //output.println("if (temp&0x1) {");
2592 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
2593 //output.println(src+"->"+field+"="+temp+";");
2594 //output.println("}");
2595 //output.println(dst+"=temp;");
2596 //output.println("}");
2598 output.println(dst+"="+ src +"->"+field+ ";");
2599 //output.println("if ("+dst+"&0x1) {");
2600 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2601 //output.println(src+"->"+field+"="+src+"->"+field+";");
2602 //output.println("}");
2605 output.println(dst+"="+ src+"->"+field+";");
2607 } else if (status==LocalityAnalysis.LOCAL) {
2608 if (ffn.getField().getType().isPtr()&&
2609 ffn.getField().isGlobal()) {
2610 String field=ffn.getField().getSafeSymbol();
2611 String src=generateTemp(fm, ffn.getSrc(),lb);
2612 String dst=generateTemp(fm, ffn.getDst(),lb);
2613 output.println(dst+"="+ src +"->"+field+ ";");
2614 if (locality.getAtomic(lb).get(ffn).intValue()>0)
2615 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2617 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2618 } else if (status==LocalityAnalysis.EITHER) {
2619 //Code is reading from a null pointer
2620 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
2621 output.println("#ifndef RAW");
2622 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2623 output.println("#endif");
2624 //This should throw a suitable null pointer error
2625 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2627 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2629 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2633 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
2634 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2635 throw new Error("Can't set array length");
2636 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2637 //Single Machine Transaction Case
2638 boolean srcptr=fsfn.getSrc().getType().isPtr();
2639 String src=generateTemp(fm,fsfn.getSrc(),lb);
2640 String dst=generateTemp(fm,fsfn.getDst(),lb);
2641 if (srcptr&&!fsfn.getSrc().getType().isNull()) {
2642 output.println("{");
2643 if ((dc==null)||dc.getNeedSrcTrans(lb, fsfn)&&
2644 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getSrc())!=LocalityAnalysis.SCRATCH) {
2645 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2647 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2650 if (wb.needBarrier(fsfn)&&
2651 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getDst())!=LocalityAnalysis.SCRATCH) {
2652 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
2654 if (srcptr&!fsfn.getSrc().getType().isNull()) {
2655 output.println("*((unsigned INTPTR *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2656 output.println("}");
2658 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2660 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2661 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
2662 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
2663 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2665 String src=generateTemp(fm,fsfn.getSrc(),lb);
2666 String dst=generateTemp(fm,fsfn.getDst(),lb);
2668 output.println("{");
2669 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2671 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2674 if (wb.needBarrier(fsfn))
2675 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2677 output.println("*((unsigned INTPTR *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2679 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2680 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2681 /** Check if we need to copy */
2682 output.println("if(!"+dst+"->"+localcopystr+") {");
2683 /* Link object into list */
2684 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2685 output.println(revertptr+"=revertlist;");
2686 if (GENERATEPRECISEGC)
2687 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2689 output.println("COPY_OBJ("+dst+");");
2690 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2691 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2692 output.println("}");
2694 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2696 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2697 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2698 //writing to a null...bad
2699 output.println("if ("+dst+") {");
2700 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2702 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2704 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2707 output.println("}");
2710 if (state.FASTCHECK) {
2711 String dst=generateTemp(fm, fsfn.getDst(),lb);
2712 output.println("if(!"+dst+"->"+localcopystr+") {");
2713 /* Link object into list */
2714 if (GENERATEPRECISEGC)
2715 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2717 output.println("COPY_OBJ("+dst+");");
2718 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2719 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2720 output.println("}");
2722 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2726 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2727 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2730 if (elementtype.isArray()||elementtype.isClass())
2733 type=elementtype.getSafeSymbol()+" ";
2735 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2736 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 | "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2737 output.println("failedboundschk();");
2739 if (state.SINGLETM) {
2740 //Single machine transaction case
2741 String dst=generateTemp(fm, fen.getDst(),lb);
2742 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2744 if (elementtype.isPtr()&&locality.getAtomic(lb).get(fen).intValue()>0&&
2745 ((dc==null)||dc.getNeedTrans(lb, fen))&&
2746 locality.getNodePreTempInfo(lb, fen).get(fen.getSrc())!=LocalityAnalysis.SCRATCH) {
2747 output.println("TRANSREAD("+dst+", "+dst+", (void *)&(" + localsprefix+"));");
2749 } else if (state.DSM) {
2750 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2751 if (status==LocalityAnalysis.GLOBAL) {
2752 String dst=generateTemp(fm, fen.getDst(),lb);
2754 if (elementtype.isPtr()) {
2755 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2756 output.println("TRANSREAD("+dst+", "+dst+");");
2758 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2760 } else if (status==LocalityAnalysis.LOCAL) {
2761 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2762 } else if (status==LocalityAnalysis.EITHER) {
2763 //Code is reading from a null pointer
2764 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2765 output.println("#ifndef RAW");
2766 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2767 output.println("#endif");
2768 //This should throw a suitable null pointer error
2769 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2771 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2773 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2777 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2778 //TODO: need dynamic check to make sure this assignment is actually legal
2779 //Because Object[] could actually be something more specific...ie. Integer[]
2781 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2784 if (elementtype.isArray()||elementtype.isClass())
2787 type=elementtype.getSafeSymbol()+" ";
2789 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2790 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 | "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2791 output.println("failedboundschk();");
2794 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2795 //Transaction set element case
2796 if (wb.needBarrier(fsen)&&
2797 locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH) {
2798 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
2800 if (fsen.getSrc().getType().isPtr()&&!fsen.getSrc().getType().isNull()) {
2801 output.println("{");
2802 String src=generateTemp(fm, fsen.getSrc(), lb);
2803 if ((dc==null)||dc.getNeedSrcTrans(lb, fsen)&&
2804 locality.getNodePreTempInfo(lb, fsen).get(fsen.getSrc())!=LocalityAnalysis.SCRATCH) {
2805 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2807 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2809 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2810 output.println("}");
2812 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2814 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2815 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2816 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2817 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2818 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2819 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2822 if (wb.needBarrier(fsen))
2823 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2824 } else if (dstlocal) {
2825 /** Check if we need to copy */
2826 String dst=generateTemp(fm, fsen.getDst(),lb);
2827 output.println("if(!"+dst+"->"+localcopystr+") {");
2828 /* Link object into list */
2829 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2830 output.println(revertptr+"=revertlist;");
2831 if (GENERATEPRECISEGC)
2832 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2834 output.println("COPY_OBJ("+dst+");");
2835 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2836 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2837 output.println("}");
2838 } else throw new Error("Unknown array type");
2840 output.println("{");
2841 String src=generateTemp(fm, fsen.getSrc(), lb);
2842 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2843 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2844 output.println("}");
2846 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2849 if (state.FASTCHECK) {
2850 String dst=generateTemp(fm, fsen.getDst(),lb);
2851 output.println("if(!"+dst+"->"+localcopystr+") {");
2852 /* Link object into list */
2853 if (GENERATEPRECISEGC)
2854 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2856 output.println("COPY_OBJ("+dst+");");
2857 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2858 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2859 output.println("}");
2861 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2865 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2866 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2867 //Stash pointer in case of GC
2868 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2869 output.println(revertptr+"=revertlist;");
2871 if (state.SINGLETM) {
2872 if (fn.getType().isArray()) {
2873 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2874 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2875 //inside transaction
2876 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2878 //outside transaction
2879 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2882 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2883 //inside transaction
2884 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2886 //outside transaction
2887 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2890 } else if (fn.getType().isArray()) {
2891 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2892 if (fn.isGlobal()&&(state.DSM||state.SINGLETM)) {
2893 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2894 } else if (GENERATEPRECISEGC) {
2895 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2897 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2900 if (fn.isGlobal()) {
2901 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
2902 } else if (GENERATEPRECISEGC) {
2903 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2905 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2908 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2909 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2910 String dst=generateTemp(fm,fn.getDst(),lb);
2911 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2912 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2913 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2915 if (state.FASTCHECK) {
2916 String dst=generateTemp(fm,fn.getDst(),lb);
2917 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2918 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2919 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2923 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2924 if (GENERATEPRECISEGC) {
2925 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2927 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2931 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2932 if (fon.getRight()!=null) {
2933 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2934 if (fon.getLeft().getType().isLong())
2935 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2937 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2939 } else if (dc!=null) {
2940 output.print(generateTemp(fm, fon.getDest(),lb)+" = ");
2941 if (dc.getNeedLeftSrcTrans(lb, fon))
2942 output.print("("+generateTemp(fm, fon.getLeft(),lb)+"!=NULL?"+generateTemp(fm, fon.getLeft(),lb)+"->"+oidstr+":NULL)");
2944 output.print(generateTemp(fm, fon.getLeft(),lb));
2945 output.print(fon.getOp().toString());
2946 if (dc.getNeedRightSrcTrans(lb, fon))
2947 output.println("("+generateTemp(fm, fon.getRight(),lb)+"!=NULL?"+generateTemp(fm, fon.getRight(),lb)+"->"+oidstr+":NULL);");
2949 output.println(generateTemp(fm,fon.getRight(),lb)+";");
2951 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2952 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2953 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2954 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2955 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2956 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2957 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2958 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2959 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2960 else if (fon.getOp().getOp()==Operation.COMP)
2961 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2962 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2963 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2965 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2968 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2969 /* TODO: Do type check here */
2970 if (fcn.getType().isArray()) {
2972 } else if (fcn.getType().isClass())
2973 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2975 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2978 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2979 if (fln.getValue()==null)
2980 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2981 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2982 if (GENERATEPRECISEGC) {
2983 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2984 //Stash pointer in case of GC
2985 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2986 output.println(revertptr+"=revertlist;");
2988 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2989 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2990 //Stash pointer in case of GC
2991 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2992 output.println("revertlist="+revertptr+";");
2995 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2997 } else if (fln.getType().isBoolean()) {
2998 if (((Boolean)fln.getValue()).booleanValue())
2999 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
3001 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
3002 } else if (fln.getType().isChar()) {
3003 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
3004 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
3005 } else if (fln.getType().isLong()) {
3006 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
3008 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
3011 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
3012 if (frn.getReturnTemp()!=null) {
3013 if (frn.getReturnTemp().getType().isPtr())
3014 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
3016 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
3018 output.println("return;");
3022 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
3023 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
3026 /** This method generates header information for the method or
3027 * task referenced by the Descriptor des. */
3028 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
3029 generateHeader(fm, lb, des, output, false);
3032 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output, boolean addSESErecord) {
3034 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
3035 MethodDescriptor md=null;
3036 TaskDescriptor task=null;
3037 if (des instanceof MethodDescriptor)
3038 md=(MethodDescriptor) des;
3040 task=(TaskDescriptor) des;
3042 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
3044 if (md!=null&&md.getReturnType()!=null) {
3045 if (md.getReturnType().isClass()||md.getReturnType().isArray())
3046 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
3048 output.print(md.getReturnType().getSafeSymbol()+" ");
3050 //catch the constructor case
3051 output.print("void ");
3053 if (state.DSM||state.SINGLETM) {
3054 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
3056 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
3058 output.print(task.getSafeSymbol()+"(");
3060 if (addSESErecord) {
3061 output.print("SESErecord* currentSESE, ");
3064 boolean printcomma=false;
3065 if (GENERATEPRECISEGC) {
3067 if (state.DSM||state.SINGLETM) {
3068 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
3070 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
3072 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
3078 for(int i=0; i<objectparams.numPrimitives(); i++) {
3079 TempDescriptor temp=objectparams.getPrimitive(i);
3083 if (temp.getType().isClass()||temp.getType().isArray())
3084 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
3086 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
3088 output.println(") {");
3089 } else if (!GENERATEPRECISEGC) {
3090 /* Imprecise Task */
3091 output.println("void * parameterarray[]) {");
3092 /* Unpack variables */
3093 for(int i=0; i<objectparams.numPrimitives(); i++) {
3094 TempDescriptor temp=objectparams.getPrimitive(i);
3095 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
3097 for(int i=0; i<fm.numTags(); i++) {
3098 TempDescriptor temp=fm.getTag(i);
3099 int offset=i+objectparams.numPrimitives();
3100 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
3103 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3104 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3105 } else output.println(") {");
3108 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
3109 output.println("/* FlatFlagActionNode */");
3112 /* Process tag changes */
3113 Relation tagsettable=new Relation();
3114 Relation tagcleartable=new Relation();
3116 Iterator tagsit=ffan.getTempTagPairs();
3117 while (tagsit.hasNext()) {
3118 TempTagPair ttp=(TempTagPair) tagsit.next();
3119 TempDescriptor objtmp=ttp.getTemp();
3120 TagDescriptor tag=ttp.getTag();
3121 TempDescriptor tagtmp=ttp.getTagTemp();
3122 boolean tagstatus=ffan.getTagChange(ttp);
3124 tagsettable.put(objtmp, tagtmp);
3126 tagcleartable.put(objtmp, tagtmp);
3131 Hashtable flagandtable=new Hashtable();
3132 Hashtable flagortable=new Hashtable();
3134 /* Process flag changes */
3135 Iterator flagsit=ffan.getTempFlagPairs();
3136 while(flagsit.hasNext()) {
3137 TempFlagPair tfp=(TempFlagPair)flagsit.next();
3138 TempDescriptor temp=tfp.getTemp();
3139 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3140 FlagDescriptor flag=tfp.getFlag();
3142 //Newly allocate objects that don't set any flags case
3143 if (flagortable.containsKey(temp)) {
3147 flagortable.put(temp,new Integer(mask));
3149 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3150 boolean flagstatus=ffan.getFlagChange(tfp);
3153 if (flagortable.containsKey(temp)) {
3154 mask=((Integer)flagortable.get(temp)).intValue();
3157 flagortable.put(temp,new Integer(mask));
3159 int mask=0xFFFFFFFF;
3160 if (flagandtable.containsKey(temp)) {
3161 mask=((Integer)flagandtable.get(temp)).intValue();
3163 mask&=(0xFFFFFFFF^flagid);
3164 flagandtable.put(temp,new Integer(mask));
3170 HashSet flagtagset=new HashSet();
3171 flagtagset.addAll(flagortable.keySet());
3172 flagtagset.addAll(flagandtable.keySet());
3173 flagtagset.addAll(tagsettable.keySet());
3174 flagtagset.addAll(tagcleartable.keySet());
3176 Iterator ftit=flagtagset.iterator();
3177 while(ftit.hasNext()) {
3178 TempDescriptor temp=(TempDescriptor)ftit.next();
3181 Set tagtmps=tagcleartable.get(temp);
3182 if (tagtmps!=null) {
3183 Iterator tagit=tagtmps.iterator();
3184 while(tagit.hasNext()) {
3185 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3186 if (GENERATEPRECISEGC)
3187 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
3189 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
3193 tagtmps=tagsettable.get(temp);
3194 if (tagtmps!=null) {
3195 Iterator tagit=tagtmps.iterator();
3196 while(tagit.hasNext()) {
3197 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3198 if (GENERATEPRECISEGC)
3199 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
3201 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
3206 int andmask=0xFFFFFFF;
3208 if (flagortable.containsKey(temp))
3209 ormask=((Integer)flagortable.get(temp)).intValue();
3210 if (flagandtable.containsKey(temp))
3211 andmask=((Integer)flagandtable.get(temp)).intValue();
3212 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
3213 generateObjectDistribute(ffan, fm, lb, temp, output);
3217 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
3218 PrintWriter output, int ormask, int andmask) {
3219 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3220 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3222 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3226 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
3227 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
3230 void generateOptionalHeader(PrintWriter headers) {
3233 headers.println("#include \"task.h\"\n\n");
3234 headers.println("#ifndef _OPTIONAL_STRUCT_");
3235 headers.println("#define _OPTIONAL_STRUCT_");
3237 //STRUCT PREDICATEMEMBER
3238 headers.println("struct predicatemember{");
3239 headers.println("int type;");
3240 headers.println("int numdnfterms;");
3241 headers.println("int * flags;");
3242 headers.println("int numtags;");
3243 headers.println("int * tags;\n};\n\n");
3245 //STRUCT OPTIONALTASKDESCRIPTOR
3246 headers.println("struct optionaltaskdescriptor{");
3247 headers.println("struct taskdescriptor * task;");
3248 headers.println("int index;");
3249 headers.println("int numenterflags;");
3250 headers.println("int * enterflags;");
3251 headers.println("int numpredicatemembers;");
3252 headers.println("struct predicatemember ** predicatememberarray;");
3253 headers.println("};\n\n");
3255 //STRUCT TASKFAILURE
3256 headers.println("struct taskfailure {");
3257 headers.println("struct taskdescriptor * task;");
3258 headers.println("int index;");
3259 headers.println("int numoptionaltaskdescriptors;");
3260 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3262 //STRUCT FSANALYSISWRAPPER
3263 headers.println("struct fsanalysiswrapper{");
3264 headers.println("int flags;");
3265 headers.println("int numtags;");
3266 headers.println("int * tags;");
3267 headers.println("int numtaskfailures;");
3268 headers.println("struct taskfailure ** taskfailurearray;");
3269 headers.println("int numoptionaltaskdescriptors;");
3270 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3272 //STRUCT CLASSANALYSISWRAPPER
3273 headers.println("struct classanalysiswrapper{");
3274 headers.println("int type;");
3275 headers.println("int numotd;");
3276 headers.println("struct optionaltaskdescriptor ** otdarray;");
3277 headers.println("int numfsanalysiswrappers;");
3278 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3280 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3282 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3283 while(taskit.hasNext()) {
3284 TaskDescriptor td=(TaskDescriptor)taskit.next();
3285 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3290 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3291 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3292 int predicateindex = 0;
3293 //iterate through the classes concerned by the predicate
3294 Set c_vard = predicate.vardescriptors;
3295 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3298 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
3299 VarDescriptor vard = (VarDescriptor)vard_it.next();
3300 TypeDescriptor typed = vard.getType();
3302 //generate for flags
3303 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3304 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3306 if (fen_hashset!=null) {
3307 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
3308 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3310 DNFFlag dflag=fen.getDNF();
3311 numberterms+=dflag.size();
3313 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3315 for(int j=0; j<dflag.size(); j++) {
3317 output.println(",");
3318 Vector term=dflag.get(j);
3321 for(int k=0; k<term.size(); k++) {
3322 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3323 FlagDescriptor fd=dfa.getFlag();
3324 boolean negated=dfa.getNegated();
3325 int flagid=1<<((Integer)flags.get(fd)).intValue();
3330 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3335 output.println("};\n");
3338 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3339 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3342 for(int j=0; j<tagel.numTags(); j++) {
3344 output.println(",");
3345 TempDescriptor tmp=tagel.getTemp(j);
3346 if (!slotnumber.containsKey(tmp)) {
3347 Integer slotint=new Integer(current_slot++);
3348 slotnumber.put(tmp,slotint);
3350 int slot=slotnumber.get(tmp).intValue();
3351 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3353 numtags = tagel.numTags();
3355 output.println("};");
3357 //store the result into a predicatemember struct
3358 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3359 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3360 output.println("/* number of dnf terms */"+numberterms+",");
3361 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3362 output.println("/* number of tag */"+numtags+",");
3363 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3364 output.println("};\n");
3369 //generate an array that stores the entire predicate
3370 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3371 for( int j = 0; j<predicateindex; j++) {
3372 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3373 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3375 output.println("};\n");
3376 return predicateindex;
3380 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3381 generateOptionalHeader(headers);
3383 output.println("#include \"optionalstruct.h\"\n\n");
3384 output.println("#include \"stdlib.h\"\n");
3386 HashSet processedcd = new HashSet();
3388 Enumeration e = safeexecution.keys();
3389 while (e.hasMoreElements()) {
3392 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3393 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3395 //Generate the struct of optionals
3396 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3397 numotd = c_otd.size();
3398 if(maxotd<numotd) maxotd = numotd;
3399 if( !c_otd.isEmpty() ) {
3400 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3401 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3403 //generate the int arrays for the predicate
3404 Predicate predicate = otd.predicate;
3405 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3406 TreeSet<Integer> fsset=new TreeSet<Integer>();
3407 //iterate through possible FSes corresponding to
3408 //the state when entering
3410 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
3411 FlagState fs = (FlagState)fses.next();
3413 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3414 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3415 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3418 fsset.add(new Integer(flagid));
3419 //tag information not needed because tag
3420 //changes are not tolerated.
3423 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3424 boolean needcomma=false;
3425 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
3428 output.println(it.next());
3431 output.println("};\n");
3434 //generate optionaltaskdescriptor that actually
3435 //includes exit fses, predicate and the task
3437 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3438 output.println("&task_"+otd.td.getSafeSymbol()+",");
3439 output.println("/*index*/"+otd.getIndex()+",");
3440 output.println("/*number of enter flags*/"+fsset.size()+",");
3441 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3442 output.println("/*number of members */"+predicateindex+",");
3443 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3444 output.println("};\n");
3448 // if there are no optionals, there is no need to build the rest of the struct
3450 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3451 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3452 if( !c_otd.isEmpty() ) {
3453 boolean needcomma=false;
3454 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3455 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3457 output.println(",");
3459 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3462 output.println("};\n");
3464 //get all the possible flagstates reachable by an object
3465 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3467 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3468 fsts.addAll(hashtbtemp.keySet());
3469 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
3470 FlagState fs = (FlagState)fsit.next();
3473 //get the set of OptionalTaskDescriptors corresponding
3474 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3475 //iterate through the OptionalTaskDescriptors and
3476 //store the pointers to the optionals struct (see on
3477 //top) into an array
3479 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3480 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
3481 OptionalTaskDescriptor mm = mos.next();
3483 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3485 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3488 output.println("};\n");
3490 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3493 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3494 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3495 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3499 //process tag information
3502 boolean first = true;
3503 Enumeration tag_enum = fs.getTags();
3504 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3505 while(tag_enum.hasMoreElements()) {
3507 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3511 output.println(", ");
3512 output.println("/*tagid*/"+state.getTagId(tagd));
3514 output.println("};");
3516 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3517 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3518 TaskIndex ti=itti.next();
3522 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3524 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3525 boolean needcomma=false;
3526 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
3527 OptionalTaskDescriptor otd=otdit.next();
3531 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3533 output.println("};");
3535 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3536 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3537 output.print(ti.getIndex()+", ");
3538 output.print(otdset.size()+", ");
3539 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3540 output.println("};");
3543 tiset=sa.getTaskIndex(fs);
3544 boolean needcomma=false;
3546 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3547 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3548 TaskIndex ti=itti.next();
3549 if (ti.isRuntime()) {
3556 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3558 output.println("};\n");
3560 //Store the result in fsanalysiswrapper
3562 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3563 output.println("/*flag*/"+flagid+",");
3564 output.println("/* number of tags*/"+tagcounter+",");
3565 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3566 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3567 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3568 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3569 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3570 output.println("};\n");
3574 //Build the array of fsanalysiswrappers
3575 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3576 boolean needcomma=false;
3577 for(int i = 0; i<fscounter; i++) {
3578 if (needcomma) output.print(",");
3579 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3582 output.println("};");
3584 //Build the classanalysiswrapper referring to the previous array
3585 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3586 output.println("/*type*/"+cdtemp.getId()+",");
3587 output.println("/*numotd*/"+numotd+",");
3588 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3589 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3590 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3591 processedcd.add(cdtemp);
3594 //build an array containing every classes for which code has been build
3595 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3596 for(int i=0; i<state.numClasses(); i++) {
3597 ClassDescriptor cn=cdarray[i];
3600 if (processedcd.contains(cn))
3601 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3603 output.print("NULL");
3605 output.println("};");
3607 output.println("#define MAXOTD "+maxotd);
3608 headers.println("#endif");
3611 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3612 Relation r=new Relation();
3613 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
3614 OptionalTaskDescriptor otd=otdit.next();
3615 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3619 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3620 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
3621 Set s=r.get(it.next());
3622 for(Iterator it2=s.iterator(); it2.hasNext();) {
3623 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3631 protected void outputTransCode(PrintWriter output) {