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.CallGraph.CallGraph;
23 import Analysis.Prefetch.*;
24 import Analysis.Loops.WriteBarrier;
25 import Analysis.Locality.TypeAnalysis;
26 import Analysis.MLP.MLPAnalysis;
28 public class BuildCode {
31 Hashtable paramstable;
36 String localsprefix="___locals___";
37 String fcrevert="___fcrevert___";
38 String paramsprefix="___params___";
39 String oidstr="___nextobject___";
40 String nextobjstr="___nextobject___";
41 String localcopystr="___localcopy___";
42 public static boolean GENERATEPRECISEGC=false;
43 public static String PREFIX="";
44 public static String arraytype="ArrayObject";
45 public static int flagcount = 0;
48 protected int maxtaskparams=0;
49 private int maxcount=0;
50 ClassDescriptor[] cdarray;
51 TypeDescriptor[] arraytable;
52 LocalityAnalysis locality;
53 Hashtable<LocalityBinding, TempDescriptor> reverttable;
54 Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>> backuptable;
58 String mlperrstr = "if(status != 0) { "+
59 "sprintf(errmsg, \"MLP error at %s:%d\", __FILE__, __LINE__); "+
60 "perror(errmsg); exit(-1); }";
61 Hashtable<FlatSESEEnterNode, FlatMethod> sese2bogusFlatMeth;
62 boolean nonSESEpass=true;
67 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
68 this(st, temptovar, typeutil, null, sa, pa, null);
71 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa, MLPAnalysis mlpa) {
72 this(st, temptovar, typeutil, null, sa, pa, mlpa);
75 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa, MLPAnalysis mlpa) {
76 this(st, temptovar, typeutil, locality, null, pa, mlpa);
79 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa, MLPAnalysis mlpa) {
84 callgraph=new CallGraph(state);
86 oidstr="___objlocation___";
87 this.temptovar=temptovar;
88 paramstable=new Hashtable();
89 tempstable=new Hashtable();
90 fieldorder=new Hashtable();
91 flagorder=new Hashtable();
92 this.typeutil=typeutil;
93 virtualcalls=new Virtual(state,locality);
95 this.locality=locality;
96 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
97 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
98 this.wb=new WriteBarrier(locality, st);
100 if (state.SINGLETM&&state.DCOPTS) {
101 TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
102 this.dc=new DiscoverConflicts(locality, st, typeanalysis);
106 sese2bogusFlatMeth = new Hashtable<FlatSESEEnterNode, FlatMethod>();
110 /** The buildCode method outputs C code for all the methods. The Flat
111 * versions of the methods must already be generated and stored in
112 * the State object. */
114 public void buildCode() {
115 /* Create output streams to write to */
116 PrintWriter outclassdefs=null;
117 PrintWriter outstructs=null;
118 PrintWriter outrepairstructs=null;
119 PrintWriter outmethodheader=null;
120 PrintWriter outmethod=null;
121 PrintWriter outvirtual=null;
122 PrintWriter outtask=null;
123 PrintWriter outtaskdefs=null;
124 PrintWriter outoptionalarrays=null;
125 PrintWriter optionalheaders=null;
128 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
129 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
130 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
131 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
132 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
134 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
135 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
136 if (state.OPTIONAL) {
137 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
138 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
141 if (state.structfile!=null) {
142 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
144 } catch (Exception e) {
149 /* Build the virtual dispatch tables */
150 buildVirtualTables(outvirtual);
152 /* Output includes */
153 outmethodheader.println("#ifndef METHODHEADERS_H");
154 outmethodheader.println("#define METHODHEADERS_H");
155 outmethodheader.println("#include \"structdefs.h\"");
157 outmethodheader.println("#include \"dstm.h\"");
159 outmethodheader.println("#include \"tm.h\"");
160 if (state.ABORTREADERS) {
161 outmethodheader.println("#include \"abortreaders.h\"");
162 outmethodheader.println("#include <setjmp.h>");
165 outmethodheader.println("#include <stdlib.h>");
166 outmethodheader.println("#include <stdio.h>");
167 outmethodheader.println("#include \"mlp_runtime.h\"");
170 /* Output Structures */
171 outputStructs(outstructs);
173 // Output the C class declarations
174 // These could mutually reference each other
175 outputClassDeclarations(outclassdefs);
177 // Output function prototypes and structures for parameters
178 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
179 while(it.hasNext()) {
180 ClassDescriptor cn=(ClassDescriptor)it.next();
181 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
183 outclassdefs.close();
186 /* Map flags to integers */
187 /* The runtime keeps track of flags using these integers */
188 it=state.getClassSymbolTable().getDescriptorsIterator();
189 while(it.hasNext()) {
190 ClassDescriptor cn=(ClassDescriptor)it.next();
194 generateTaskStructs(outstructs, outmethodheader);
196 /* Outputs generic task structures if this is a task
198 outputTaskTypes(outtask);
201 /* Build the actual methods */
202 outputMethods(outmethod);
204 // Output function prototypes and structures for SESE's and code
208 // first generate code for each sese's internals
209 for(Iterator<FlatSESEEnterNode> seseit=mlpa.getAllSESEs().iterator();seseit.hasNext();) {
210 FlatSESEEnterNode fsen = seseit.next();
211 generateMethodSESE(fsen, null, outstructs, outmethodheader, outmethod);
214 // then write the invokeSESE switch to decouple scheduler
215 // from having to do unique details of sese invocation
216 generateSESEinvocationMethod(outmethodheader, outmethod);
220 /* Output code for tasks */
221 outputTaskCode(outtaskdefs, outmethod);
223 /* Record maximum number of task parameters */
224 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
225 } else if (state.main!=null) {
226 /* Generate main method */
227 outputMainMethod(outmethod);
230 /* Generate information for task with optional parameters */
231 if (state.TASK&&state.OPTIONAL) {
232 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
233 outoptionalarrays.close();
236 /* Output structure definitions for repair tool */
237 if (state.structfile!=null) {
238 buildRepairStructs(outrepairstructs);
239 outrepairstructs.close();
243 outmethodheader.println("#endif");
244 outmethodheader.close();
246 outstructs.println("#endif");
251 /* This code just generates the main C method for java programs.
252 * The main C method packs up the arguments into a string array
253 * and passes it to the java main method. */
255 private void outputMainMethod(PrintWriter outmethod) {
256 outmethod.println("int main(int argc, const char *argv[]) {");
257 outmethod.println(" int i;");
259 outmethod.println("#ifdef TRANSSTATS \n");
260 outmethod.println("handle();\n");
261 outmethod.println("#endif\n");
263 if (state.THREAD||state.DSM||state.SINGLETM) {
264 outmethod.println("initializethreads();");
267 outmethod.println("if (dstmStartup(argv[1])) {");
268 if (GENERATEPRECISEGC) {
269 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
271 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
274 if (GENERATEPRECISEGC) {
275 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
277 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
281 outmethod.println(" for(i=2;i<argc;i++) {");
283 outmethod.println(" for(i=1;i<argc;i++) {");
284 outmethod.println(" int length=strlen(argv[i]);");
285 if (GENERATEPRECISEGC) {
286 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
288 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
291 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
293 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
294 outmethod.println(" }");
297 FlatSESEEnterNode rootSESE = mlpa.getRootSESE();
298 outmethod.println(" mlpInit();");
300 outmethod.print(" rootsese = mlpCreateSESErecord(");
301 outmethod.print(rootSESE.getIdentifier()+", 0, NULL, 0, NULL");
302 outmethod.println(");");
304 outmethod.println(" ");
307 MethodDescriptor md=typeutil.getMain();
308 ClassDescriptor cd=typeutil.getMainClass();
310 outmethod.println(" {");
311 if (GENERATEPRECISEGC) {
312 if (state.DSM||state.SINGLETM) {
313 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
315 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
316 outmethod.println("1, NULL,"+"stringarray};");
317 if (state.DSM||state.SINGLETM)
318 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
320 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
322 if (state.DSM||state.SINGLETM)
323 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
325 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
327 outmethod.println(" }");
330 outmethod.println("}");
333 if (state.THREAD||state.DSM||state.SINGLETM) {
334 outmethod.println("pthread_mutex_lock(&gclistlock);");
335 outmethod.println("threadcount--;");
336 outmethod.println("pthread_cond_signal(&gccond);");
337 outmethod.println("pthread_mutex_unlock(&gclistlock);");
340 if (state.DSM||state.SINGLETM) {
341 outmethod.println("#ifdef TRANSSTATS \n");
342 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
343 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
344 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
345 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
347 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
348 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
349 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
350 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
351 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
352 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
353 } else if (state.SINGLETM) {
354 outmethod.println("printf(\"nSoftAbortAbort= %d\\n\", nSoftAbortAbort);");
355 outmethod.println("printf(\"nSoftAbortCommit= %d\\n\", nSoftAbortCommit);");
356 outmethod.println("#ifdef STMSTATS\n");
357 outmethod.println("for(i=0; i<TOTALNUMCLASSANDARRAY; i++) {\n");
358 outmethod.println(" printf(\"typesCausingAbort[%d]= %d\\n\", i, typesCausingAbort[i]);\n");
359 outmethod.println("}\n");
360 outmethod.println("#endif\n");
361 outmethod.println("fflush(stdout);");
363 outmethod.println("#endif\n");
366 if (state.THREAD||state.SINGLETM)
367 outmethod.println("pthread_exit(NULL);");
369 outmethod.println("}");
372 /* This method outputs code for each task. */
374 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
375 /* Compile task based program */
376 outtaskdefs.println("#include \"task.h\"");
377 outtaskdefs.println("#include \"methodheaders.h\"");
378 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
379 while(taskit.hasNext()) {
380 TaskDescriptor td=(TaskDescriptor)taskit.next();
381 FlatMethod fm=state.getMethodFlat(td);
382 generateFlatMethod(fm, null, outmethod);
383 generateTaskDescriptor(outtaskdefs, fm, td);
386 //Output task descriptors
387 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
388 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
390 while(taskit.hasNext()) {
391 TaskDescriptor td=(TaskDescriptor)taskit.next();
395 outtaskdefs.println(",");
396 outtaskdefs.print("&task_"+td.getSafeSymbol());
398 outtaskdefs.println("};");
400 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
403 /* This method outputs most of the methods.c file. This includes
404 * some standard includes and then an array with the sizes of
405 * objets and array that stores supertype and then the code for
406 * the Java methods.. */
408 protected void outputMethods(PrintWriter outmethod) {
409 outmethod.println("#include \"methodheaders.h\"");
410 outmethod.println("#include \"virtualtable.h\"");
411 outmethod.println("#include \"runtime.h\"");
413 outmethod.println("#include \"addPrefetchEnhance.h\"");
414 outmethod.println("#include \"localobjects.h\"");
416 if (state.FASTCHECK) {
417 outmethod.println("#include \"localobjects.h\"");
419 if(state.MULTICORE) {
420 outmethod.println("#include \"task.h\"");
421 outmethod.println("#include \"multicoreruntime.h\"");
422 outmethod.println("#include \"runtime_arch.h\"");
424 if (state.THREAD||state.DSM||state.SINGLETM)
425 outmethod.println("#include <thread.h>");
426 if (state.main!=null) {
427 outmethod.println("#include <string.h>");
429 if (state.CONSCHECK) {
430 outmethod.println("#include \"checkers.h\"");
433 outmethod.println("#include <stdlib.h>");
434 outmethod.println("#include <stdio.h>");
435 outmethod.println("#include \"mlp_runtime.h\"");
436 outmethod.println("/* GET RID OF THIS LATER */");
437 outmethod.println("SESErecord* tempSESE;");
438 outmethod.println("SESErecord* tempParentSESE;");
439 outmethod.println("invokeSESEargs* tempSESEargs;");
442 //Store the sizes of classes & array elements
443 generateSizeArray(outmethod);
445 //Store table of supertypes
446 generateSuperTypeTable(outmethod);
448 //Store the layout of classes
449 generateLayoutStructs(outmethod);
451 /* Generate code for methods */
452 if (state.DSM||state.SINGLETM) {
453 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
454 LocalityBinding lb=lbit.next();
455 MethodDescriptor md=lb.getMethod();
456 FlatMethod fm=state.getMethodFlat(md);
458 if (!md.getModifiers().isNative()) {
459 generateFlatMethod(fm, lb, outmethod);
463 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
464 while(classit.hasNext()) {
465 ClassDescriptor cn=(ClassDescriptor)classit.next();
466 Iterator methodit=cn.getMethods();
467 while(methodit.hasNext()) {
468 /* Classify parameters */
469 MethodDescriptor md=(MethodDescriptor)methodit.next();
470 FlatMethod fm=state.getMethodFlat(md);
471 if (!md.getModifiers().isNative()) {
472 generateFlatMethod(fm, null, outmethod);
479 protected void outputStructs(PrintWriter outstructs) {
480 outstructs.println("#ifndef STRUCTDEFS_H");
481 outstructs.println("#define STRUCTDEFS_H");
482 outstructs.println("#include \"classdefs.h\"");
483 outstructs.println("#ifndef INTPTR");
484 outstructs.println("#ifdef BIT64");
485 outstructs.println("#define INTPTR long");
486 outstructs.println("#else");
487 outstructs.println("#define INTPTR int");
488 outstructs.println("#endif");
489 outstructs.println("#endif");
491 /* Output #defines that the runtime uses to determine type
492 * numbers for various objects it needs */
493 outstructs.println("#define MAXCOUNT "+maxcount);
494 if (state.DSM||state.SINGLETM) {
495 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
497 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
498 else if (state.SINGLETM)
499 lb.setGlobalThis(LocalityAnalysis.NORMAL);
500 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
503 outstructs.println("#define STRINGARRAYTYPE "+
504 (state.getArrayNumber(
505 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
507 outstructs.println("#define OBJECTARRAYTYPE "+
508 (state.getArrayNumber(
509 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
512 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
513 outstructs.println("#define CHARARRAYTYPE "+
514 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
516 outstructs.println("#define BYTEARRAYTYPE "+
517 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
519 outstructs.println("#define BYTEARRAYARRAYTYPE "+
520 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
522 outstructs.println("#define NUMCLASSES "+state.numClasses());
523 int totalClassSize = state.numClasses() + state.numArrays();
524 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
526 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
527 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
528 outstructs.println("#define TAGARRAYTYPE "+
529 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
533 protected void outputClassDeclarations(PrintWriter outclassdefs) {
534 if (state.THREAD||state.DSM||state.SINGLETM)
535 outclassdefs.println("#include <pthread.h>");
536 outclassdefs.println("#ifndef INTPTR");
537 outclassdefs.println("#ifdef BIT64");
538 outclassdefs.println("#define INTPTR long");
539 outclassdefs.println("#else");
540 outclassdefs.println("#define INTPTR int");
541 outclassdefs.println("#endif");
542 outclassdefs.println("#endif");
544 outclassdefs.println("#include \"optionalstruct.h\"");
545 outclassdefs.println("struct "+arraytype+";");
546 /* Start by declaring all structs */
547 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
548 while(it.hasNext()) {
549 ClassDescriptor cn=(ClassDescriptor)it.next();
550 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
552 outclassdefs.println("");
553 //Print out definition for array type
554 outclassdefs.println("struct "+arraytype+" {");
555 outclassdefs.println(" int type;");
557 outclassdefs.println(" pthread_t tid;");
558 outclassdefs.println(" void * lockentry;");
559 outclassdefs.println(" int lockcount;");
562 outclassdefs.println(" int flag;");
563 if(!state.MULTICORE) {
564 outclassdefs.println(" void * flagptr;");
566 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
567 outclassdefs.println(" int version;");
568 outclassdefs.println(" struct ___Object___ * original;");
569 //outclassdefs.println(" int numlocks;"); // array for locks
570 outclassdefs.println(" int * lock;");
573 outclassdefs.println(" int numfses;");
574 outclassdefs.println(" int * fses;");
577 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
579 outclassdefs.println(" int ___length___;");
580 outclassdefs.println("};\n");
581 outclassdefs.println("extern int classsize[];");
582 outclassdefs.println("extern int hasflags[];");
583 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
584 outclassdefs.println("extern int supertypes[];");
587 /** Prints out definitions for generic task structures */
589 private void outputTaskTypes(PrintWriter outtask) {
590 outtask.println("#ifndef _TASK_H");
591 outtask.println("#define _TASK_H");
592 outtask.println("struct parameterdescriptor {");
593 outtask.println("int type;");
594 outtask.println("int numberterms;");
595 outtask.println("int *intarray;");
596 outtask.println("void * queue;");
597 outtask.println("int numbertags;");
598 outtask.println("int *tagarray;");
599 outtask.println("};");
601 outtask.println("struct taskdescriptor {");
602 outtask.println("void * taskptr;");
603 outtask.println("int numParameters;");
604 outtask.println(" int numTotal;");
605 outtask.println("struct parameterdescriptor **descriptorarray;");
606 outtask.println("char * name;");
607 outtask.println("};");
608 outtask.println("extern struct taskdescriptor * taskarray[];");
609 outtask.println("extern numtasks;");
610 outtask.println("#endif");
614 private void buildRepairStructs(PrintWriter outrepairstructs) {
615 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
616 while(classit.hasNext()) {
617 ClassDescriptor cn=(ClassDescriptor)classit.next();
618 outrepairstructs.println("structure "+cn.getSymbol()+" {");
619 outrepairstructs.println(" int __type__;");
621 outrepairstructs.println(" int __flag__;");
622 if(!state.MULTICORE) {
623 outrepairstructs.println(" int __flagptr__;");
626 printRepairStruct(cn, outrepairstructs);
627 outrepairstructs.println("}\n");
630 for(int i=0; i<state.numArrays(); i++) {
631 TypeDescriptor tdarray=arraytable[i];
632 TypeDescriptor tdelement=tdarray.dereference();
633 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
634 outrepairstructs.println(" int __type__;");
635 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
636 outrepairstructs.println(" int length;");
638 // Need to add support to repair tool for this
639 if (tdelement.isClass()||tdelement.isArray())
640 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
642 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
644 outrepairstructs.println("}\n");
648 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
649 ClassDescriptor sp=cn.getSuperDesc();
651 printRepairStruct(sp, output);
653 Vector fields=(Vector)fieldorder.get(cn);
655 for(int i=0; i<fields.size(); i++) {
656 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
657 if (fd.getType().isArray()) {
658 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
659 } else if (fd.getType().isClass())
660 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
661 else if (fd.getType().isFloat())
662 output.println(" int "+fd.getSymbol()+"; /* really float */");
664 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
668 /** This method outputs TaskDescriptor information */
669 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
670 for (int i=0; i<task.numParameters(); i++) {
671 VarDescriptor param_var=task.getParameter(i);
672 TypeDescriptor param_type=task.getParamType(i);
673 FlagExpressionNode param_flag=task.getFlag(param_var);
674 TagExpressionList param_tag=task.getTag(param_var);
677 if (param_flag==null) {
678 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
679 output.println("0x0, 0x0 };");
682 DNFFlag dflag=param_flag.getDNF();
683 dnfterms=dflag.size();
685 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
686 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
687 for(int j=0; j<dflag.size(); j++) {
690 Vector term=dflag.get(j);
693 for(int k=0; k<term.size(); k++) {
694 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
695 FlagDescriptor fd=dfa.getFlag();
696 boolean negated=dfa.getNegated();
697 int flagid=1<<((Integer)flags.get(fd)).intValue();
702 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
704 output.println("};");
707 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
708 //BUG...added next line to fix, test with any task program
710 for(int j=0; j<param_tag.numTags(); j++) {
713 /* for each tag we need */
714 /* which slot it is */
715 /* what type it is */
716 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
717 TempDescriptor tmp=param_tag.getTemp(j);
718 int slot=fm.getTagInt(tmp);
719 output.println(slot+", "+state.getTagId(tvd.getTag()));
721 output.println("};");
723 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
724 output.println("/* type */"+param_type.getClassDesc().getId()+",");
725 output.println("/* number of DNF terms */"+dnfterms+",");
726 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
727 output.println("0,");
728 //BUG, added next line to fix and else statement...test
729 //with any task program
731 output.println("/* number of tags */"+param_tag.numTags()+",");
733 output.println("/* number of tags */ 0,");
734 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
735 output.println("};");
739 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
740 for (int i=0; i<task.numParameters(); i++) {
743 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
745 output.println("};");
747 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
748 output.println("&"+task.getSafeSymbol()+",");
749 output.println("/* number of parameters */" +task.numParameters() + ",");
750 int numtotal=task.numParameters()+fm.numTags();
751 output.println("/* number total parameters */" +numtotal + ",");
752 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
753 output.println("\""+task.getSymbol()+"\"");
754 output.println("};");
758 /** The buildVirtualTables method outputs the virtual dispatch
759 * tables for methods. */
761 protected void buildVirtualTables(PrintWriter outvirtual) {
762 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
763 while(classit.hasNext()) {
764 ClassDescriptor cd=(ClassDescriptor)classit.next();
765 if (virtualcalls.getMethodCount(cd)>maxcount)
766 maxcount=virtualcalls.getMethodCount(cd);
768 MethodDescriptor[][] virtualtable=null;
769 LocalityBinding[][] lbvirtualtable=null;
770 if (state.DSM||state.SINGLETM)
771 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
773 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
775 /* Fill in virtual table */
776 classit=state.getClassSymbolTable().getDescriptorsIterator();
777 while(classit.hasNext()) {
778 ClassDescriptor cd=(ClassDescriptor)classit.next();
779 if (state.DSM||state.SINGLETM)
780 fillinRow(cd, lbvirtualtable, cd.getId());
782 fillinRow(cd, virtualtable, cd.getId());
785 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
786 Iterator arrayit=state.getArrayIterator();
787 while(arrayit.hasNext()) {
788 TypeDescriptor td=(TypeDescriptor)arrayit.next();
789 int id=state.getArrayNumber(td);
790 if (state.DSM||state.SINGLETM)
791 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
793 fillinRow(objectcd, virtualtable, id+state.numClasses());
796 outvirtual.print("void * virtualtable[]={");
797 boolean needcomma=false;
798 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
799 for(int j=0; j<maxcount; j++) {
801 outvirtual.print(", ");
802 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
803 LocalityBinding lb=lbvirtualtable[i][j];
804 MethodDescriptor md=lb.getMethod();
805 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
806 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
807 MethodDescriptor md=virtualtable[i][j];
808 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
810 outvirtual.print("0");
814 outvirtual.println("");
816 outvirtual.println("};");
820 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
821 /* Get inherited methods */
822 if (cd.getSuperDesc()!=null)
823 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
824 /* Override them with our methods */
825 for(Iterator it=cd.getMethods(); it.hasNext();) {
826 MethodDescriptor md=(MethodDescriptor)it.next();
827 if (md.isStatic()||md.getReturnType()==null)
829 int methodnum=virtualcalls.getMethodNumber(md);
830 virtualtable[rownum][methodnum]=md;
834 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
835 /* Get inherited methods */
836 if (cd.getSuperDesc()!=null)
837 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
838 /* Override them with our methods */
839 if (locality.getClassBindings(cd)!=null)
840 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
841 LocalityBinding lb=lbit.next();
842 MethodDescriptor md=lb.getMethod();
843 //Is the method static or a constructor
844 if (md.isStatic()||md.getReturnType()==null)
846 int methodnum=virtualcalls.getLocalityNumber(lb);
847 virtualtable[rownum][methodnum]=lb;
851 /** Generate array that contains the sizes of class objects. The
852 * object allocation functions in the runtime use this
855 private void generateSizeArray(PrintWriter outclassdefs) {
856 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
857 outclassdefs.print("#ifdef TRANSSTATS \n");
858 outclassdefs.print("extern int numTransAbort;\n");
859 outclassdefs.print("extern int numTransCommit;\n");
860 outclassdefs.print("extern int nSoftAbort;\n");
862 outclassdefs.print("extern int nchashSearch;\n");
863 outclassdefs.print("extern int nmhashSearch;\n");
864 outclassdefs.print("extern int nprehashSearch;\n");
865 outclassdefs.print("extern int nRemoteSend;\n");
866 outclassdefs.print("extern int bytesSent;\n");
867 outclassdefs.print("extern int bytesRecv;\n");
868 outclassdefs.print("extern void handle();\n");
869 } else if (state.SINGLETM) {
870 outclassdefs.println("extern int nSoftAbortAbort;");
871 outclassdefs.println("extern int nSoftAbortCommit;");
872 outclassdefs.println("#ifdef STMSTATS\n");
873 outclassdefs.println("extern int typesCausingAbort[];");
874 outclassdefs.println("#endif\n");
876 outclassdefs.print("#endif\n");
877 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
879 outclassdefs.print("int classsize[]={");
880 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
881 cdarray=new ClassDescriptor[state.numClasses()];
882 while(it.hasNext()) {
883 ClassDescriptor cd=(ClassDescriptor)it.next();
884 cdarray[cd.getId()]=cd;
886 boolean needcomma=false;
887 for(int i=0; i<state.numClasses(); i++) {
889 outclassdefs.print(", ");
890 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
895 arraytable=new TypeDescriptor[state.numArrays()];
897 Iterator arrayit=state.getArrayIterator();
898 while(arrayit.hasNext()) {
899 TypeDescriptor td=(TypeDescriptor)arrayit.next();
900 int id=state.getArrayNumber(td);
904 for(int i=0; i<state.numArrays(); i++) {
906 outclassdefs.print(", ");
907 TypeDescriptor tdelement=arraytable[i].dereference();
908 if (tdelement.isArray()||tdelement.isClass())
909 outclassdefs.print("sizeof(void *)");
911 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
915 outclassdefs.println("};");
917 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
919 outclassdefs.print("int typearray[]={");
920 for(int i=0; i<state.numClasses(); i++) {
921 ClassDescriptor cd=cdarray[i];
922 ClassDescriptor supercd=cd.getSuperDesc();
924 outclassdefs.print(", ");
926 outclassdefs.print("-1");
928 outclassdefs.print(supercd.getId());
932 for(int i=0; i<state.numArrays(); i++) {
933 TypeDescriptor arraytd=arraytable[i];
934 ClassDescriptor arraycd=arraytd.getClassDesc();
937 outclassdefs.print(", ");
938 outclassdefs.print(objectclass.getId());
942 ClassDescriptor cd=arraycd.getSuperDesc();
945 TypeDescriptor supertd=new TypeDescriptor(cd);
946 supertd.setArrayCount(arraytd.getArrayCount());
947 type=state.getArrayNumber(supertd);
949 type+=state.numClasses();
952 cd=cd.getSuperDesc();
955 outclassdefs.print(", ");
956 outclassdefs.print(type);
960 outclassdefs.println("};");
965 outclassdefs.print("int typearray2[]={");
966 for(int i=0; i<state.numArrays(); i++) {
967 TypeDescriptor arraytd=arraytable[i];
968 ClassDescriptor arraycd=arraytd.getClassDesc();
971 outclassdefs.print(", ");
972 outclassdefs.print("-1");
976 ClassDescriptor cd=arraycd.getSuperDesc();
977 int level=arraytd.getArrayCount()-1;
979 for(; level>0; level--) {
980 TypeDescriptor supertd=new TypeDescriptor(objectclass);
981 supertd.setArrayCount(level);
982 type=state.getArrayNumber(supertd);
984 type+=state.numClasses();
989 outclassdefs.print(", ");
990 outclassdefs.print(type);
994 outclassdefs.println("};");
997 /** Constructs params and temp objects for each method or task.
998 * These objects tell the compiler which temps need to be
1001 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
1002 MethodDescriptor md=fm.getMethod();
1003 TaskDescriptor task=fm.getTask();
1004 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
1005 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
1007 paramstable.put(lb, objectparams);
1008 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
1009 } else if (md!=null)
1010 paramstable.put(md, objectparams);
1012 paramstable.put(task, objectparams);
1014 for(int i=0; i<fm.numParameters(); i++) {
1015 TempDescriptor temp=fm.getParameter(i);
1016 TypeDescriptor type=temp.getType();
1017 if (type.isPtr()&&GENERATEPRECISEGC)
1018 objectparams.addPtr(temp);
1020 objectparams.addPrim(temp);
1021 if(lb!=null&&saveset.contains(temp)) {
1022 backuptable.get(lb).put(temp, temp.createNew());
1026 for(int i=0; i<fm.numTags(); i++) {
1027 TempDescriptor temp=fm.getTag(i);
1028 if (GENERATEPRECISEGC)
1029 objectparams.addPtr(temp);
1031 objectparams.addPrim(temp);
1034 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1036 tempstable.put(lb, objecttemps);
1038 tempstable.put(md, objecttemps);
1040 tempstable.put(task, objecttemps);
1042 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
1043 FlatNode fn=(FlatNode)nodeit.next();
1044 TempDescriptor[] writes=fn.writesTemps();
1045 for(int i=0; i<writes.length; i++) {
1046 TempDescriptor temp=writes[i];
1047 TypeDescriptor type=temp.getType();
1048 if (type.isPtr()&&GENERATEPRECISEGC)
1049 objecttemps.addPtr(temp);
1051 objecttemps.addPrim(temp);
1052 if(lb!=null&&saveset.contains(temp)&&
1053 !backuptable.get(lb).containsKey(temp))
1054 backuptable.get(lb).put(temp, temp.createNew());
1058 /* Create backup temps */
1060 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
1061 TempDescriptor tmp=tmpit.next();
1062 TypeDescriptor type=tmp.getType();
1063 if (type.isPtr()&&GENERATEPRECISEGC)
1064 objecttemps.addPtr(tmp);
1066 objecttemps.addPrim(tmp);
1068 /* Create temp to hold revert table */
1069 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
1070 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
1071 if (GENERATEPRECISEGC)
1072 objecttemps.addPtr(reverttmp);
1074 objecttemps.addPrim(reverttmp);
1075 reverttable.put(lb, reverttmp);
1080 /** This method outputs the following information about classes
1082 * (1) For classes, what are the locations of pointers.
1083 * (2) For arrays, does the array contain pointers or primitives.
1084 * (3) For classes, does the class contain flags.
1087 private void generateLayoutStructs(PrintWriter output) {
1088 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1089 while(it.hasNext()) {
1090 ClassDescriptor cn=(ClassDescriptor)it.next();
1091 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1092 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1094 while(allit.hasNext()) {
1095 FieldDescriptor fd=(FieldDescriptor)allit.next();
1096 TypeDescriptor type=fd.getType();
1097 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1102 output.print(count);
1103 allit=cn.getFieldTable().getAllDescriptorsIterator();
1104 while(allit.hasNext()) {
1105 FieldDescriptor fd=(FieldDescriptor)allit.next();
1106 TypeDescriptor type=fd.getType();
1107 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1110 output.println(",");
1111 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
1114 output.println("};");
1116 output.println("unsigned INTPTR * pointerarray[]={");
1117 boolean needcomma=false;
1118 for(int i=0; i<state.numClasses(); i++) {
1119 ClassDescriptor cn=cdarray[i];
1121 output.println(",");
1123 output.print(cn.getSafeSymbol()+"_pointers");
1126 for(int i=0; i<state.numArrays(); i++) {
1128 output.println(", ");
1129 TypeDescriptor tdelement=arraytable[i].dereference();
1130 if (tdelement.isArray()||tdelement.isClass())
1131 output.print("((unsigned INTPTR *)1)");
1137 output.println("};");
1139 output.println("int hasflags[]={");
1140 for(int i=0; i<state.numClasses(); i++) {
1141 ClassDescriptor cn=cdarray[i];
1143 output.println(", ");
1150 output.println("};");
1153 /** Print out table to give us supertypes */
1154 private void generateSuperTypeTable(PrintWriter output) {
1155 output.println("int supertypes[]={");
1156 boolean needcomma=false;
1157 for(int i=0; i<state.numClasses(); i++) {
1158 ClassDescriptor cn=cdarray[i];
1160 output.println(",");
1162 if (cn.getSuperDesc()!=null) {
1163 ClassDescriptor cdsuper=cn.getSuperDesc();
1164 output.print(cdsuper.getId());
1168 output.println("};");
1171 /** Force consistent field ordering between inherited classes. */
1173 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
1175 ClassDescriptor sp=cn.getSuperDesc();
1177 printClassStruct(sp, classdefout);
1179 if (!fieldorder.containsKey(cn)) {
1180 Vector fields=new Vector();
1181 fieldorder.put(cn,fields);
1182 if (sp==null&&!state.TASK) {
1183 fields.add(cn.getFieldTable().get("cachedCode"));
1185 Iterator fieldit=cn.getFields();
1186 while(fieldit.hasNext()) {
1187 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
1188 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
1189 (!fd.getSymbol().equals("cachedCode")||state.TASK))
1193 Vector fields=(Vector)fieldorder.get(cn);
1195 for(int i=0; i<fields.size(); i++) {
1196 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1197 if (fd.getType().isClass()||fd.getType().isArray())
1198 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1200 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1205 /* Map flags to integers consistently between inherited
1208 protected void mapFlags(ClassDescriptor cn) {
1209 ClassDescriptor sp=cn.getSuperDesc();
1213 if (!flagorder.containsKey(cn)) {
1214 Hashtable flags=new Hashtable();
1215 flagorder.put(cn,flags);
1217 Hashtable superflags=(Hashtable)flagorder.get(sp);
1218 Iterator superflagit=superflags.keySet().iterator();
1219 while(superflagit.hasNext()) {
1220 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1221 Integer number=(Integer)superflags.get(fd);
1222 flags.put(fd, number);
1223 if ((number.intValue()+1)>max)
1224 max=number.intValue()+1;
1228 Iterator flagit=cn.getFlags();
1229 while(flagit.hasNext()) {
1230 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1231 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1232 flags.put(fd, new Integer(max++));
1238 /** This function outputs (1) structures that parameters are
1239 * passed in (when PRECISE GC is enabled) and (2) function
1240 * prototypes for the methods */
1242 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1243 /* Output class structure */
1244 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1245 classdefout.println(" int type;");
1247 classdefout.println(" pthread_t tid;");
1248 classdefout.println(" void * lockentry;");
1249 classdefout.println(" int lockcount;");
1253 classdefout.println(" int flag;");
1254 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1255 classdefout.println(" void * flagptr;");
1256 } else if (state.MULTICORE) {
1257 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1258 classdefout.println(" int version;");
1259 classdefout.println(" struct ___Object___ * original;");
1260 //classdefout.println(" int numlocks;"); // array for locks
1261 classdefout.println(" int * lock;");
1263 if (state.OPTIONAL) {
1264 classdefout.println(" int numfses;");
1265 classdefout.println(" int * fses;");
1268 printClassStruct(cn, classdefout);
1269 classdefout.println("};\n");
1271 if (state.DSM||state.SINGLETM) {
1272 /* Cycle through LocalityBindings */
1273 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1274 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1276 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1277 LocalityBinding lb=lbit.next();
1278 MethodDescriptor md=lb.getMethod();
1279 if (md.getModifiers().isNative()) {
1280 //make sure we only print a native method once
1281 if (nativemethods.contains(md)) {
1282 FlatMethod fm=state.getMethodFlat(md);
1283 generateTempStructs(fm, lb);
1286 nativemethods.add(md);
1288 generateMethod(cn, md, lb, headersout, output);
1291 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1292 MethodDescriptor md=(MethodDescriptor)methodit.next();
1293 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1294 //Need to build param structure for library code
1295 FlatMethod fm=state.getMethodFlat(md);
1296 generateTempStructs(fm, null);
1297 generateMethodParam(cn, md, null, output);
1302 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1303 MethodDescriptor md=(MethodDescriptor)methodit.next();
1304 generateMethod(cn, md, null, headersout, output);
1308 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1309 /* Output parameter structure */
1310 if (GENERATEPRECISEGC) {
1311 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1312 if ((state.DSM||state.SINGLETM)&&lb!=null)
1313 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1315 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1316 output.println(" INTPTR size;");
1317 output.println(" void * next;");
1318 for(int i=0; i<objectparams.numPointers(); i++) {
1319 TempDescriptor temp=objectparams.getPointer(i);
1320 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1322 output.println("};\n");
1327 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1328 FlatMethod fm=state.getMethodFlat(md);
1329 generateTempStructs(fm, lb);
1331 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1332 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1334 generateMethodParam(cn, md, lb, output);
1336 /* Output temp structure */
1337 if (GENERATEPRECISEGC) {
1338 if (state.DSM||state.SINGLETM)
1339 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1341 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1342 output.println(" INTPTR size;");
1343 output.println(" void * next;");
1344 for(int i=0; i<objecttemps.numPointers(); i++) {
1345 TempDescriptor temp=objecttemps.getPointer(i);
1346 if (temp.getType().isNull())
1347 output.println(" void * "+temp.getSafeSymbol()+";");
1349 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1351 output.println("};\n");
1354 /********* Output method declaration ***********/
1355 if (state.DSM||state.SINGLETM) {
1356 headersout.println("#define D"+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1358 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1360 /* First the return type */
1361 if (md.getReturnType()!=null) {
1362 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1363 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1365 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1367 //catch the constructor case
1368 headersout.print("void ");
1370 /* Next the method name */
1371 if (state.DSM||state.SINGLETM) {
1372 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1374 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1376 boolean printcomma=false;
1377 if (GENERATEPRECISEGC) {
1378 if (state.DSM||state.SINGLETM) {
1379 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1381 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1385 /* Output parameter list*/
1386 for(int i=0; i<objectparams.numPrimitives(); i++) {
1387 TempDescriptor temp=objectparams.getPrimitive(i);
1389 headersout.print(", ");
1391 if (temp.getType().isClass()||temp.getType().isArray())
1392 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1394 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1396 headersout.println(");\n");
1400 /** This function outputs (1) structures that parameters are
1401 * passed in (when PRECISE GC is enabled) and (2) function
1402 * prototypes for the tasks */
1404 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1405 /* Cycle through tasks */
1406 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1408 while(taskit.hasNext()) {
1409 /* Classify parameters */
1410 TaskDescriptor task=(TaskDescriptor)taskit.next();
1411 FlatMethod fm=state.getMethodFlat(task);
1412 generateTempStructs(fm, null);
1414 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1415 TempObject objecttemps=(TempObject) tempstable.get(task);
1417 /* Output parameter structure */
1418 if (GENERATEPRECISEGC) {
1419 output.println("struct "+task.getSafeSymbol()+"_params {");
1421 output.println(" INTPTR size;");
1422 output.println(" void * next;");
1423 for(int i=0; i<objectparams.numPointers(); i++) {
1424 TempDescriptor temp=objectparams.getPointer(i);
1425 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1428 output.println("};\n");
1429 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1430 maxtaskparams=objectparams.numPointers()+fm.numTags();
1434 /* Output temp structure */
1435 if (GENERATEPRECISEGC) {
1436 output.println("struct "+task.getSafeSymbol()+"_locals {");
1437 output.println(" INTPTR size;");
1438 output.println(" void * next;");
1439 for(int i=0; i<objecttemps.numPointers(); i++) {
1440 TempDescriptor temp=objecttemps.getPointer(i);
1441 if (temp.getType().isNull())
1442 output.println(" void * "+temp.getSafeSymbol()+";");
1443 else if(temp.getType().isTag())
1444 output.println(" struct "+
1445 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1447 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1449 output.println("};\n");
1452 /* Output task declaration */
1453 headersout.print("void " + task.getSafeSymbol()+"(");
1455 boolean printcomma=false;
1456 if (GENERATEPRECISEGC) {
1457 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1459 headersout.print("void * parameterarray[]");
1460 headersout.println(");\n");
1464 /***** Generate code for FlatMethod fm. *****/
1466 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1467 if (State.PRINTFLAT)
1468 System.out.println(fm.printMethod());
1469 MethodDescriptor md=fm.getMethod();
1471 TaskDescriptor task=fm.getTask();
1473 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1475 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1476 generateHeader(fm, lb, md!=null ? md : task,output);
1477 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1479 if (GENERATEPRECISEGC) {
1480 if (md!=null&&(state.DSM||state.SINGLETM))
1481 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1482 else if (md!=null&&!(state.DSM||state.SINGLETM))
1483 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1485 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1487 output.print(objecttemp.numPointers()+",");
1488 output.print(paramsprefix);
1489 for(int j=0; j<objecttemp.numPointers(); j++)
1490 output.print(", NULL");
1491 output.println("};");
1494 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1495 TempDescriptor td=objecttemp.getPrimitive(i);
1496 TypeDescriptor type=td.getType();
1498 output.println(" void * "+td.getSafeSymbol()+";");
1499 else if (type.isClass()||type.isArray())
1500 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1502 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1505 /* Check to see if we need to do a GC if this is a
1506 * multi-threaded program...*/
1508 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1509 //Don't bother if we aren't in recursive methods...The loops case will catch it
1510 if (callgraph.getAllMethods(md).contains(md)) {
1511 if (state.DSM&&lb.isAtomic())
1512 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1514 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1518 generateCode(fm.getNext(0), fm, lb, null, output);
1520 output.println("}\n\n");
1523 // when a new mlp thread is created for an issued SESE, it is started
1524 // by running this method which blocks on a cond variable until
1525 // it is allowed to transition to execute. Then a case statement
1526 // allows it to invoke the method with the proper SESE body, and after
1527 // exiting the SESE method, executes proper SESE exit code before the
1528 // thread can be destroyed
1529 private void generateSESEinvocationMethod(PrintWriter outmethodheader,
1530 PrintWriter outmethod
1533 outmethodheader.println("void* invokeSESEmethod( void* vargs );");
1534 outmethod.println( "void* invokeSESEmethod( void* vargs ) {");
1535 outmethod.println( " int status;");
1536 outmethod.println( " char errmsg[128];");
1537 outmethod.println( " invokeSESEargs* args = (invokeSESEargs*) vargs;");
1539 // wait on a condition variable that dispatcher will signal
1540 // then this SESE instance's dependencies are resolved
1541 outmethod.println( " status = pthread_mutex_lock( args->invokee->startCondVarLock );");
1542 outmethod.println( " "+mlperrstr);
1543 outmethod.println( " while( !(args->invokee->startedExecuting) ){");
1544 outmethod.println( " status = pthread_cond_wait( args->invokee->startCondVar, args->invokee->startCondVarLock );");
1545 outmethod.println( " "+mlperrstr);
1546 outmethod.println( " }");
1548 // generate a case for each SESE class that can be invoked
1549 outmethod.println( " switch( args->classID ) {");
1550 outmethod.println( " ");
1551 for(Iterator<FlatSESEEnterNode> seseit=mlpa.getAllSESEs().iterator();seseit.hasNext();) {
1552 FlatSESEEnterNode fsen = seseit.next();
1553 outmethod.println( " /* "+fsen.getPrettyIdentifier()+" */");
1554 outmethod.println( " case "+fsen.getIdentifier()+":");
1555 generateSESEinvocation(fsen, outmethod);
1556 outmethod.println( " break;");
1557 outmethod.println( "");
1560 // default case should never be taken, error out
1561 outmethod.println( " default:");
1562 outmethod.println( " printf(\"Error: unknown SESE class ID in invoke method.\\n\");");
1563 outmethod.println( " exit(-30);");
1564 outmethod.println( " break;");
1565 outmethod.println( " }");
1566 outmethod.println( "}\n\n");
1569 private void generateSESEinvocation(FlatSESEEnterNode fsen,
1573 FlatMethod fm = fsen.getEnclosingFlatMeth();
1574 MethodDescriptor md = fm.getMethod();
1575 ClassDescriptor cn = md.getClassDesc();
1577 FlatMethod bogusfm = sese2bogusFlatMeth.get(fsen);
1578 MethodDescriptor bogusmd = bogusfm.getMethod();
1579 ParamsObject objectparams = (ParamsObject)paramstable.get(bogusmd);
1581 // first copy SESE record into param structure
1584 // then invoke the sese's method
1585 output.print(" "+cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"_"+bogusmd.getSafeMethodDescriptor());
1588 // why doesn't this work?
1589 //output.print("("+cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"_"+bogusmd.getSafeMethodDescriptor()+paramsprefix+")");
1591 // first argument is parameter structure
1592 output.print("(struct "+cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"__params*)");
1593 output.print("&(args->invokee->paramStruct)");
1595 // other arguments are primitive parameters
1596 for(int i=0; i<objectparams.numPrimitives(); i++) {
1597 TempDescriptor td=objectparams.getPrimitive(i);
1598 TypeDescriptor type=td.getType();
1599 assert type.isPrimitive();
1600 output.print(", args->invokee->vars["+i+"].sesetype_"+type.toString());
1603 output.println(");");
1606 private void generateFlatMethodSESE(FlatMethod fm,
1608 FlatSESEEnterNode seseEnter,
1609 FlatSESEExitNode seseExit,
1613 MethodDescriptor md=fm.getMethod();
1614 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
1615 generateHeader(fm, null, md, output);
1616 TempObject objecttemp=(TempObject) tempstable.get(md);
1619 if (GENERATEPRECISEGC) {
1620 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1621 output.print(objecttemp.numPointers()+",");
1622 output.print(paramsprefix);
1623 for(int j=0; j<objecttemp.numPointers(); j++)
1624 output.print(", NULL");
1625 output.println("};");
1628 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1629 TempDescriptor td=objecttemp.getPrimitive(i);
1630 TypeDescriptor type=td.getType();
1632 output.println(" void * "+td.getSafeSymbol()+";");
1633 else if (type.isClass()||type.isArray())
1634 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1636 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1640 // Check to see if we need to do a GC if this is a
1641 // multi-threaded program...
1642 if (GENERATEPRECISEGC) {
1643 //Don't bother if we aren't in recursive methods...The loops case will catch it
1644 if (callgraph.getAllMethods(md).contains(md)) {
1645 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1650 generateCode(seseEnter.getNext(0), fm, null, seseExit, output);
1653 output.println("}\n\n");
1656 protected void generateMethodSESE(FlatSESEEnterNode fsen,
1658 PrintWriter outputStructs,
1659 PrintWriter outputMethHead,
1660 PrintWriter outputMethods
1664 FlatMethod fm = fsen.getEnclosingFlatMeth();
1665 MethodDescriptor md = fm.getMethod();
1666 ClassDescriptor cn = md.getClassDesc();
1669 //Creates bogus method descriptor to index into tables
1670 Modifiers bogusmod=new Modifiers();
1671 MethodDescriptor bogusmd=new MethodDescriptor(bogusmod,
1672 new TypeDescriptor(TypeDescriptor.VOID),
1673 "sese_"+fsen.getPrettyIdentifier()+fsen.getIdentifier());
1674 bogusmd.setClassDesc(cn);
1675 FlatMethod bogusfm=new FlatMethod(bogusmd, null);
1676 sese2bogusFlatMeth.put(fsen, bogusfm);
1679 //Build paramsobj for bogus method descriptor
1680 ParamsObject objectparams=new ParamsObject(bogusmd, tag++);
1681 paramstable.put(bogusmd, objectparams);
1683 for(int i=0; i<fsen.numParameters(); i++) {
1684 TempDescriptor temp=fsen.getParameter(i);
1685 TypeDescriptor type=temp.getType();
1686 if (type.isPtr()&&GENERATEPRECISEGC) {
1687 objectparams.addPtr(temp);
1689 objectparams.addPrim(temp);
1694 //Build normal temp object for bogus method descriptor
1695 TempObject objecttemps=new TempObject(objectparams,bogusmd,tag++);
1696 tempstable.put(bogusmd, objecttemps);
1698 for(Iterator nodeit=fsen.getNodeSet().iterator(); nodeit.hasNext();) {
1699 FlatNode fn=(FlatNode)nodeit.next();
1700 TempDescriptor[] writes=fn.writesTemps();
1701 for(int i=0; i<writes.length; i++) {
1702 TempDescriptor temp=writes[i];
1703 TypeDescriptor type=temp.getType();
1704 if (type.isPtr()&&GENERATEPRECISEGC)
1705 objecttemps.addPtr(temp);
1707 objecttemps.addPrim(temp);
1712 //Generate code for parameters structure
1713 generateMethodParam(cn, bogusmd, null, outputStructs);
1715 //Generate code for locals structure
1716 outputStructs.println("struct "+cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"_"+bogusmd.getSafeMethodDescriptor()+"_locals {");
1717 outputStructs.println(" INTPTR size;");
1718 outputStructs.println(" void * next;");
1719 for(int i=0; i<objecttemps.numPointers(); i++) {
1720 TempDescriptor temp=objecttemps.getPointer(i);
1721 if (temp.getType().isNull())
1722 outputStructs.println(" void * "+temp.getSafeSymbol()+";");
1724 outputStructs.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1726 outputStructs.println("};\n");
1729 // write method declaration to header file
1730 outputMethHead.print("void ");
1731 outputMethHead.print(cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"_"+bogusmd.getSafeMethodDescriptor()+"(");
1732 boolean printcomma=false;
1733 if (GENERATEPRECISEGC) {
1734 outputMethHead.print("struct "+cn.getSafeSymbol()+
1735 bogusmd.getSafeSymbol()+"_"+
1736 bogusmd.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1739 // Output parameter list
1740 for(int i=0; i<objectparams.numPrimitives(); i++) {
1741 TempDescriptor temp=objectparams.getPrimitive(i);
1743 outputMethHead.print(", ");
1745 if (temp.getType().isClass()||temp.getType().isArray())
1746 outputMethHead.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1748 outputMethHead.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1750 outputMethHead.println(");\n");
1753 generateFlatMethodSESE(bogusfm, cn, fsen, fsen.getFlatExit(), outputMethods);
1757 protected void generateCode(FlatNode first,
1760 FlatSESEExitNode stop,
1761 PrintWriter output) {
1763 /* Assign labels to FlatNode's if necessary.*/
1764 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(first, stop);
1766 /* Do the actual code generation */
1767 FlatNode current_node=null;
1768 HashSet tovisit=new HashSet();
1769 HashSet visited=new HashSet();
1771 while(current_node!=null||!tovisit.isEmpty()) {
1772 if (current_node==null) {
1773 current_node=(FlatNode)tovisit.iterator().next();
1774 tovisit.remove(current_node);
1775 } else if (tovisit.contains(current_node)) {
1776 tovisit.remove(current_node);
1778 visited.add(current_node);
1779 if (nodetolabel.containsKey(current_node)) {
1780 output.println("L"+nodetolabel.get(current_node)+":");
1782 if (state.INSTRUCTIONFAILURE) {
1783 if (state.THREAD||state.DSM||state.SINGLETM) {
1784 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1786 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1788 if (current_node.numNext()==0||current_node==stop) {
1790 generateFlatNode(fm, lb, current_node, output);
1791 if (current_node.kind()!=FKind.FlatReturnNode) {
1792 output.println(" return;");
1795 } else if(current_node.numNext()==1) {
1797 if (state.MLP && current_node.kind()==FKind.FlatSESEEnterNode) {
1798 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
1799 generateFlatNode(fm, lb, current_node, output);
1800 nextnode=fsen.getFlatExit().getNext(0);
1803 generateFlatNode(fm, lb, current_node, output);
1804 nextnode=current_node.getNext(0);
1806 if (visited.contains(nextnode)) {
1807 output.println("goto L"+nodetolabel.get(nextnode)+";");
1810 current_node=nextnode;
1811 } else if (current_node.numNext()==2) {
1814 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1815 if (!visited.contains(current_node.getNext(1)))
1816 tovisit.add(current_node.getNext(1));
1817 if (visited.contains(current_node.getNext(0))) {
1818 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1821 current_node=current_node.getNext(0);
1822 } else throw new Error();
1827 /** This method assigns labels to FlatNodes */
1828 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first) {
1829 return assignLabels(first, null);
1831 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, FlatSESEExitNode last) {
1832 HashSet tovisit=new HashSet();
1833 HashSet visited=new HashSet();
1835 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1838 /*Assign labels first. A node needs a label if the previous
1839 * node has two exits or this node is a join point. */
1841 while(!tovisit.isEmpty()) {
1842 FlatNode fn=(FlatNode)tovisit.iterator().next();
1847 if( fn.equals(last) ) {
1848 // if last is not null and matches, don't go
1849 // any further for assigning labels
1853 for(int i=0; i<fn.numNext(); i++) {
1854 FlatNode nn=fn.getNext(i);
1857 //1) Edge >1 of node
1858 nodetolabel.put(nn,new Integer(labelindex++));
1860 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1864 nodetolabel.put(nn,new Integer(labelindex++));
1872 /** Generate text string that corresponds to the TempDescriptor td. */
1873 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1874 MethodDescriptor md=fm.getMethod();
1875 TaskDescriptor task=fm.getTask();
1876 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1878 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1879 //System.out.println("generateTemp returns " + td.getSafeSymbol());
1880 return td.getSafeSymbol();
1883 if (objecttemps.isLocalPtr(td)) {
1884 return localsprefix+"."+td.getSafeSymbol();
1887 if (objecttemps.isParamPtr(td)) {
1888 return paramsprefix+"->"+td.getSafeSymbol();
1894 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1896 case FKind.FlatAtomicEnterNode:
1897 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1900 case FKind.FlatAtomicExitNode:
1901 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1904 case FKind.FlatInstanceOfNode:
1905 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
1908 case FKind.FlatSESEEnterNode:
1909 generateFlatSESEEnterNode(fm, lb, (FlatSESEEnterNode)fn, output);
1912 case FKind.FlatSESEExitNode:
1913 generateFlatSESEExitNode(fm, lb, (FlatSESEExitNode)fn, output);
1916 case FKind.FlatGlobalConvNode:
1917 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1920 case FKind.FlatTagDeclaration:
1921 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1924 case FKind.FlatCall:
1925 generateFlatCall(fm, lb, (FlatCall) fn,output);
1928 case FKind.FlatFieldNode:
1929 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1932 case FKind.FlatElementNode:
1933 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1936 case FKind.FlatSetElementNode:
1937 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1940 case FKind.FlatSetFieldNode:
1941 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1945 generateFlatNew(fm, lb, (FlatNew) fn,output);
1948 case FKind.FlatOpNode:
1949 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1952 case FKind.FlatCastNode:
1953 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1956 case FKind.FlatLiteralNode:
1957 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1960 case FKind.FlatReturnNode:
1961 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1965 output.println("/* nop */");
1968 case FKind.FlatExit:
1969 output.println("/* exit */");
1972 case FKind.FlatBackEdge:
1973 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1974 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1975 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1977 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1979 output.println("/* nop */");
1982 case FKind.FlatCheckNode:
1983 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1986 case FKind.FlatFlagActionNode:
1987 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1990 case FKind.FlatPrefetchNode:
1991 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1994 case FKind.FlatOffsetNode:
1995 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
2001 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
2002 output.println("/* FlatOffsetNode */");
2003 FieldDescriptor fd=fofn.getField();
2004 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+");");
2005 output.println("/* offset */");
2008 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
2009 if (state.PREFETCH) {
2010 Vector oids = new Vector();
2011 Vector fieldoffset = new Vector();
2012 Vector endoffset = new Vector();
2013 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
2014 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
2015 PrefetchPair pp = (PrefetchPair) it.next();
2016 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
2017 /* Find prefetches that can generate oid */
2018 if(statusbase == LocalityAnalysis.GLOBAL) {
2019 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
2021 } else if (statusbase == LocalityAnalysis.LOCAL) {
2022 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
2029 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
2030 output.println("{");
2031 output.println("/* prefetch */");
2032 output.println("/* prefetchid_" + fpn.siteid + " */");
2033 output.println("void * prefptr;");
2034 output.println("int tmpindex;");
2036 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
2037 /*Create C code for oid array */
2038 output.print(" unsigned int oidarray_[] = {");
2039 boolean needcomma=false;
2040 for (Iterator it = oids.iterator(); it.hasNext();) {
2043 output.print(it.next());
2046 output.println("};");
2048 /*Create C code for endoffset values */
2049 output.print(" unsigned short endoffsetarry_[] = {");
2051 for (Iterator it = endoffset.iterator(); it.hasNext();) {
2054 output.print(it.next());
2057 output.println("};");
2059 /*Create C code for Field Offset Values */
2060 output.print(" short fieldarry_[] = {");
2062 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
2065 output.print(it.next());
2068 output.println("};");
2069 /* make the prefetch call to Runtime */
2070 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
2071 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
2072 output.println(" }");
2073 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
2074 output.println(" } else {");
2075 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
2076 output.println(" }");
2077 output.println("}");
2081 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
2082 short offsetcount = 0;
2086 } else if (localbase) {
2087 for(; breakindex<pp.desc.size(); breakindex++) {
2088 Descriptor desc=pp.getDescAt(breakindex);
2089 if (desc instanceof FieldDescriptor) {
2090 FieldDescriptor fd=(FieldDescriptor)desc;
2091 if (fd.isGlobal()) {
2099 if (breakindex>pp.desc.size()) //all local
2102 TypeDescriptor lasttype=pp.base.getType();
2103 String basestr=generateTemp(fm, pp.base, lb);
2105 boolean maybenull=fm.getMethod().isStatic()||
2106 !pp.base.equals(fm.getParameter(0));
2108 for(int i=0; i<breakindex; i++) {
2109 String indexcheck="";
2111 Descriptor desc=pp.getDescAt(i);
2112 if (desc instanceof FieldDescriptor) {
2113 FieldDescriptor fd=(FieldDescriptor)desc;
2115 if (!teststr.equals(""))
2117 teststr+="((prefptr="+basestr+")!=NULL)";
2118 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
2120 basestr=basestr+"->"+fd.getSafeSymbol();
2123 lasttype=fd.getType();
2125 IndexDescriptor id=(IndexDescriptor)desc;
2126 indexcheck="((tmpindex=";
2127 for(int j=0; j<id.tddesc.size(); j++) {
2128 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
2130 indexcheck+=id.offset+")>=0)&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
2132 if (!teststr.equals(""))
2134 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
2135 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
2137 lasttype=lasttype.dereference();
2142 if (teststr.equals("")) {
2143 oid="((unsigned int)"+basestr+")";
2145 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
2149 for(int i = breakindex; i < pp.desc.size(); i++) {
2150 String newfieldoffset;
2151 Object desc = pp.getDescAt(i);
2152 if(desc instanceof FieldDescriptor) {
2153 FieldDescriptor fd=(FieldDescriptor)desc;
2154 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
2155 lasttype=fd.getType();
2157 newfieldoffset = "";
2158 IndexDescriptor id=(IndexDescriptor)desc;
2159 for(int j = 0; j < id.tddesc.size(); j++) {
2160 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
2162 newfieldoffset += id.offset.toString();
2163 lasttype=lasttype.dereference();
2165 fieldoffset.add(newfieldoffset);
2168 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
2169 base+=pp.desc.size()-breakindex;
2170 endoffset.add(new Short((short)base));
2175 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
2176 if (lb!=fgcn.getLocality())
2178 /* Have to generate flat globalconv */
2179 if (fgcn.getMakePtr()) {
2181 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
2183 if ((dc==null)||dc.getNeedTrans(lb, fgcn)) {
2184 //need to do translation
2185 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+", (void *)&("+localsprefix+"));");
2189 /* Need to convert to OID */
2190 if (fgcn.doConvert()) {
2191 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
2193 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
2198 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
2200 if (fion.getType().isArray()) {
2201 type=state.getArrayNumber(fion.getType())+state.numClasses();
2203 type=fion.getType().getClassDesc().getId();
2206 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2207 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
2209 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
2212 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
2213 /* Check to see if we need to generate code for this atomic */
2214 if (locality==null) {
2215 output.println("pthread_mutex_lock(&atomiclock);");
2219 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
2221 /* Backup the temps. */
2222 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2223 TempDescriptor tmp=tmpit.next();
2224 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
2227 output.println("goto transstart"+faen.getIdentifier()+";");
2229 /******* Print code to retry aborted transaction *******/
2230 output.println("transretry"+faen.getIdentifier()+":");
2233 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2234 TempDescriptor tmp=tmpit.next();
2235 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
2239 /********* Need to revert local object store ********/
2240 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2242 output.println("while ("+revertptr+") {");
2243 output.println("struct ___Object___ * tmpptr;");
2244 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2245 output.println("REVERT_OBJ("+revertptr+");");
2246 output.println(revertptr+"=tmpptr;");
2247 output.println("}");
2249 /******* Tell the runtime to start the transaction *******/
2251 output.println("transstart"+faen.getIdentifier()+":");
2252 output.println("transStart();");
2254 if (state.ABORTREADERS) {
2255 output.println("if (_setjmp(aborttrans)) {");
2256 output.println(" goto transretry"+faen.getIdentifier()+"; }");
2260 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
2261 /* Check to see if we need to generate code for this atomic */
2262 if (locality==null) {
2263 output.println("pthread_mutex_unlock(&atomiclock);");
2266 if (locality.getAtomic(lb).get(faen).intValue()>0)
2268 //store the revert list before we lose the transaction object
2269 String revertptr=null;
2271 revertptr=generateTemp(fm, reverttable.get(lb),lb);
2272 output.println(revertptr+"=revertlist;");
2274 output.println("if (transCommit()) {");
2275 /* Transaction aborts if it returns true */
2276 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2278 output.println("} else {");
2279 /* Need to commit local object store */
2280 output.println("while ("+revertptr+") {");
2281 output.println("struct ___Object___ * tmpptr;");
2282 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2283 output.println("COMMIT_OBJ("+revertptr+");");
2284 output.println(revertptr+"=tmpptr;");
2285 output.println("}");
2287 output.println("}");
2290 public void generateFlatSESEEnterNode(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode fsen, PrintWriter output) {
2292 // SESE nodes can be parsed for normal compilation, just skip over them
2296 output.println("\n /* SESE "+fsen.getPrettyIdentifier()+" issue */");
2297 output.println(" tempSESE = mlpCreateSESErecord( "+
2298 fsen.getIdentifier()+", "+
2300 "mlpGetCurrent(), "+
2301 fsen.numParameters()+", "+
2304 for( int i = 0; i < fsen.numParameters(); ++i ) {
2305 TempDescriptor td = fsen.getParameter( i );
2306 TypeDescriptor type = td.getType();
2307 output.println(" tempSESE->vars["+i+"].sesetype_"+type.toString()+" = "+td+";");
2310 output.println(" mlpIssue( tempSESE );");
2311 output.println(" tempSESE = mlpSchedule();");
2312 output.println(" tempParentSESE = mlpGetCurrent();");
2314 // do a pthread_create wit invokeSESE as the argument
2315 // and pack all args into a single void*
2316 output.println(" tempSESEargs = (invokeSESEargs*) malloc( sizeof( invokeSESEargs ) );");
2317 output.println(" tempSESEargs->classID = "+fsen.getIdentifier()+";");
2318 output.println(" tempSESEargs->invokee = tempSESE;");
2319 output.println(" tempSESEargs->parent = tempParentSESE;");
2321 output.println(" invokeSESEmethod( (void*) tempSESEargs );");
2322 output.println("\n");
2325 public void generateFlatSESEExitNode(FlatMethod fm, LocalityBinding lb, FlatSESEExitNode fsen, PrintWriter output) {
2327 // SESE nodes can be parsed for normal compilation, just skip over them
2332 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
2333 if (state.CONSCHECK) {
2334 String specname=fcn.getSpec();
2335 String varname="repairstate___";
2336 output.println("{");
2337 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2339 TempDescriptor[] temps=fcn.getTemps();
2340 String[] vars=fcn.getVars();
2341 for(int i=0; i<temps.length; i++) {
2342 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
2345 output.println("if (doanalysis"+specname+"("+varname+")) {");
2346 output.println("free"+specname+"_state("+varname+");");
2347 output.println("} else {");
2348 output.println("/* Bad invariant */");
2349 output.println("free"+specname+"_state("+varname+");");
2350 output.println("abort_task();");
2351 output.println("}");
2352 output.println("}");
2356 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
2357 MethodDescriptor md=fc.getMethod();
2358 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM||state.SINGLETM ? locality.getBinding(lb, fc) : md);
2359 ClassDescriptor cn=md.getClassDesc();
2360 output.println("{");
2361 if (GENERATEPRECISEGC) {
2362 if (state.DSM||state.SINGLETM) {
2363 LocalityBinding fclb=locality.getBinding(lb, fc);
2364 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2366 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2368 output.print(objectparams.numPointers());
2369 output.print(", & "+localsprefix);
2370 if (md.getThis()!=null) {
2372 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
2374 if (fc.getThis()!=null&&md.getThis()==null) {
2375 System.out.println("WARNING!!!!!!!!!!!!");
2376 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2380 for(int i=0; i<fc.numArgs(); i++) {
2381 Descriptor var=md.getParameter(i);
2382 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2383 if (objectparams.isParamPtr(paramtemp)) {
2384 TempDescriptor targ=fc.getArg(i);
2386 TypeDescriptor td=md.getParamType(i);
2388 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2390 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2393 output.println("};");
2398 if (fc.getReturnTemp()!=null)
2399 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
2401 /* Do we need to do virtual dispatch? */
2402 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
2404 if (state.DSM||state.SINGLETM) {
2405 LocalityBinding fclb=locality.getBinding(lb, fc);
2406 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2408 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2413 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2414 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2416 output.print(md.getReturnType().getSafeSymbol()+" ");
2417 output.print("(*)(");
2419 boolean printcomma=false;
2420 if (GENERATEPRECISEGC) {
2421 if (state.DSM||state.SINGLETM) {
2422 LocalityBinding fclb=locality.getBinding(lb, fc);
2423 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2425 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2429 for(int i=0; i<objectparams.numPrimitives(); i++) {
2430 TempDescriptor temp=objectparams.getPrimitive(i);
2434 if (temp.getType().isClass()||temp.getType().isArray())
2435 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2437 output.print(temp.getType().getSafeSymbol());
2441 if (state.DSM||state.SINGLETM) {
2442 LocalityBinding fclb=locality.getBinding(lb, fc);
2443 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
2445 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2449 boolean needcomma=false;
2450 if (GENERATEPRECISEGC) {
2451 output.print("&__parameterlist__");
2455 if (!GENERATEPRECISEGC) {
2456 if (fc.getThis()!=null) {
2457 TypeDescriptor ptd=md.getThis().getType();
2460 if (ptd.isClass()&&!ptd.isArray())
2461 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2462 output.print(generateTemp(fm,fc.getThis(),lb));
2467 for(int i=0; i<fc.numArgs(); i++) {
2468 Descriptor var=md.getParameter(i);
2469 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2470 if (objectparams.isParamPrim(paramtemp)) {
2471 TempDescriptor targ=fc.getArg(i);
2475 TypeDescriptor ptd=md.getParamType(i);
2476 if (ptd.isClass()&&!ptd.isArray())
2477 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2478 output.print(generateTemp(fm, targ,lb));
2482 output.println(");");
2483 output.println(" }");
2486 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2487 Set subclasses=typeutil.getSubClasses(thiscd);
2488 if (subclasses==null)
2490 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
2491 ClassDescriptor cd=(ClassDescriptor)classit.next();
2492 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
2493 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
2494 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2495 if (md.matches(matchmd))
2502 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
2503 if (state.SINGLETM) {
2504 //single machine transactional memory case
2505 String field=ffn.getField().getSafeSymbol();
2506 String src=generateTemp(fm, ffn.getSrc(),lb);
2507 String dst=generateTemp(fm, ffn.getDst(),lb);
2509 output.println(dst+"="+ src +"->"+field+ ";");
2510 if (ffn.getField().getType().isPtr()&&locality.getAtomic(lb).get(ffn).intValue()>0&&
2511 ((dc==null)||dc.getNeedTrans(lb, ffn))&&
2512 locality.getNodePreTempInfo(lb, ffn).get(ffn.getSrc())!=LocalityAnalysis.SCRATCH) {
2513 output.println("TRANSREAD("+dst+", "+dst+", (void *) &(" + localsprefix + "));");
2515 } else if (state.DSM) {
2516 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
2517 if (status==LocalityAnalysis.GLOBAL) {
2518 String field=ffn.getField().getSafeSymbol();
2519 String src=generateTemp(fm, ffn.getSrc(),lb);
2520 String dst=generateTemp(fm, ffn.getDst(),lb);
2522 if (ffn.getField().getType().isPtr()) {
2524 //TODO: Uncomment this when we have runtime support
2525 //if (ffn.getSrc()==ffn.getDst()) {
2526 //output.println("{");
2527 //output.println("void * temp="+src+";");
2528 //output.println("if (temp&0x1) {");
2529 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
2530 //output.println(src+"->"+field+"="+temp+";");
2531 //output.println("}");
2532 //output.println(dst+"=temp;");
2533 //output.println("}");
2535 output.println(dst+"="+ src +"->"+field+ ";");
2536 //output.println("if ("+dst+"&0x1) {");
2537 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2538 //output.println(src+"->"+field+"="+src+"->"+field+";");
2539 //output.println("}");
2542 output.println(dst+"="+ src+"->"+field+";");
2544 } else if (status==LocalityAnalysis.LOCAL) {
2545 if (ffn.getField().getType().isPtr()&&
2546 ffn.getField().isGlobal()) {
2547 String field=ffn.getField().getSafeSymbol();
2548 String src=generateTemp(fm, ffn.getSrc(),lb);
2549 String dst=generateTemp(fm, ffn.getDst(),lb);
2550 output.println(dst+"="+ src +"->"+field+ ";");
2551 if (locality.getAtomic(lb).get(ffn).intValue()>0)
2552 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2554 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2555 } else if (status==LocalityAnalysis.EITHER) {
2556 //Code is reading from a null pointer
2557 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
2558 output.println("#ifndef RAW");
2559 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2560 output.println("#endif");
2561 //This should throw a suitable null pointer error
2562 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2564 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2566 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2570 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
2571 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2572 throw new Error("Can't set array length");
2573 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2574 //Single Machine Transaction Case
2575 boolean srcptr=fsfn.getSrc().getType().isPtr();
2576 String src=generateTemp(fm,fsfn.getSrc(),lb);
2577 String dst=generateTemp(fm,fsfn.getDst(),lb);
2578 if (srcptr&&!fsfn.getSrc().getType().isNull()) {
2579 output.println("{");
2580 if ((dc==null)||dc.getNeedSrcTrans(lb, fsfn)&&
2581 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getSrc())!=LocalityAnalysis.SCRATCH) {
2582 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2584 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2587 if (wb.needBarrier(fsfn)&&
2588 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getDst())!=LocalityAnalysis.SCRATCH) {
2589 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
2591 if (srcptr&!fsfn.getSrc().getType().isNull()) {
2592 output.println("*((unsigned INTPTR *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2593 output.println("}");
2595 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2597 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2598 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
2599 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
2600 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2602 String src=generateTemp(fm,fsfn.getSrc(),lb);
2603 String dst=generateTemp(fm,fsfn.getDst(),lb);
2605 output.println("{");
2606 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2608 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2611 if (wb.needBarrier(fsfn))
2612 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2614 output.println("*((unsigned INTPTR *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2616 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2617 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2618 /** Check if we need to copy */
2619 output.println("if(!"+dst+"->"+localcopystr+") {");
2620 /* Link object into list */
2621 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2622 output.println(revertptr+"=revertlist;");
2623 if (GENERATEPRECISEGC)
2624 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2626 output.println("COPY_OBJ("+dst+");");
2627 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2628 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2629 output.println("}");
2631 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2633 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2634 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2635 //writing to a null...bad
2636 output.println("if ("+dst+") {");
2637 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2639 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2641 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2644 output.println("}");
2647 if (state.FASTCHECK) {
2648 String dst=generateTemp(fm, fsfn.getDst(),lb);
2649 output.println("if(!"+dst+"->"+localcopystr+") {");
2650 /* Link object into list */
2651 if (GENERATEPRECISEGC)
2652 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2654 output.println("COPY_OBJ("+dst+");");
2655 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2656 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2657 output.println("}");
2659 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2663 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2664 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2667 if (elementtype.isArray()||elementtype.isClass())
2670 type=elementtype.getSafeSymbol()+" ";
2672 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2673 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 | "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2674 output.println("failedboundschk();");
2676 if (state.SINGLETM) {
2677 //Single machine transaction case
2678 String dst=generateTemp(fm, fen.getDst(),lb);
2679 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2681 if (elementtype.isPtr()&&locality.getAtomic(lb).get(fen).intValue()>0&&
2682 ((dc==null)||dc.getNeedTrans(lb, fen))&&
2683 locality.getNodePreTempInfo(lb, fen).get(fen.getSrc())!=LocalityAnalysis.SCRATCH) {
2684 output.println("TRANSREAD("+dst+", "+dst+", (void *)&(" + localsprefix+"));");
2686 } else if (state.DSM) {
2687 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2688 if (status==LocalityAnalysis.GLOBAL) {
2689 String dst=generateTemp(fm, fen.getDst(),lb);
2691 if (elementtype.isPtr()) {
2692 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2693 output.println("TRANSREAD("+dst+", "+dst+");");
2695 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2697 } else if (status==LocalityAnalysis.LOCAL) {
2698 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2699 } else if (status==LocalityAnalysis.EITHER) {
2700 //Code is reading from a null pointer
2701 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2702 output.println("#ifndef RAW");
2703 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2704 output.println("#endif");
2705 //This should throw a suitable null pointer error
2706 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2708 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2710 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2714 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2715 //TODO: need dynamic check to make sure this assignment is actually legal
2716 //Because Object[] could actually be something more specific...ie. Integer[]
2718 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2721 if (elementtype.isArray()||elementtype.isClass())
2724 type=elementtype.getSafeSymbol()+" ";
2726 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2727 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 | "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2728 output.println("failedboundschk();");
2731 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2732 //Transaction set element case
2733 if (wb.needBarrier(fsen)&&
2734 locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH) {
2735 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
2737 if (fsen.getSrc().getType().isPtr()&&!fsen.getSrc().getType().isNull()) {
2738 output.println("{");
2739 String src=generateTemp(fm, fsen.getSrc(), lb);
2740 if ((dc==null)||dc.getNeedSrcTrans(lb, fsen)&&
2741 locality.getNodePreTempInfo(lb, fsen).get(fsen.getSrc())!=LocalityAnalysis.SCRATCH) {
2742 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2744 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2746 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2747 output.println("}");
2749 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2751 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2752 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2753 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2754 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2755 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2756 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2759 if (wb.needBarrier(fsen))
2760 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2761 } else if (dstlocal) {
2762 /** Check if we need to copy */
2763 String dst=generateTemp(fm, fsen.getDst(),lb);
2764 output.println("if(!"+dst+"->"+localcopystr+") {");
2765 /* Link object into list */
2766 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2767 output.println(revertptr+"=revertlist;");
2768 if (GENERATEPRECISEGC)
2769 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2771 output.println("COPY_OBJ("+dst+");");
2772 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2773 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2774 output.println("}");
2775 } else throw new Error("Unknown array type");
2777 output.println("{");
2778 String src=generateTemp(fm, fsen.getSrc(), lb);
2779 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2780 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2781 output.println("}");
2783 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2786 if (state.FASTCHECK) {
2787 String dst=generateTemp(fm, fsen.getDst(),lb);
2788 output.println("if(!"+dst+"->"+localcopystr+") {");
2789 /* Link object into list */
2790 if (GENERATEPRECISEGC)
2791 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2793 output.println("COPY_OBJ("+dst+");");
2794 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2795 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2796 output.println("}");
2798 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2802 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2803 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2804 //Stash pointer in case of GC
2805 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2806 output.println(revertptr+"=revertlist;");
2808 if (state.SINGLETM) {
2809 if (fn.getType().isArray()) {
2810 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2811 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2812 //inside transaction
2813 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2815 //outside transaction
2816 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2819 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2820 //inside transaction
2821 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2823 //outside transaction
2824 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2827 } else if (fn.getType().isArray()) {
2828 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2829 if (fn.isGlobal()&&(state.DSM||state.SINGLETM)) {
2830 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2831 } else if (GENERATEPRECISEGC) {
2832 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2834 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2837 if (fn.isGlobal()) {
2838 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
2839 } else if (GENERATEPRECISEGC) {
2840 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2842 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2845 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2846 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2847 String dst=generateTemp(fm,fn.getDst(),lb);
2848 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2849 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2850 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2852 if (state.FASTCHECK) {
2853 String dst=generateTemp(fm,fn.getDst(),lb);
2854 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2855 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2856 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2860 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2861 if (GENERATEPRECISEGC) {
2862 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2864 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2868 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2869 if (fon.getRight()!=null) {
2870 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2871 if (fon.getLeft().getType().isLong())
2872 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2874 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2877 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2878 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2879 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2880 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2881 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2882 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2883 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2884 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2885 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2886 else if (fon.getOp().getOp()==Operation.COMP)
2887 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2888 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2889 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2891 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2894 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2895 /* TODO: Do type check here */
2896 if (fcn.getType().isArray()) {
2898 } else if (fcn.getType().isClass())
2899 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2901 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2904 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2905 if (fln.getValue()==null)
2906 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2907 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2908 if (GENERATEPRECISEGC) {
2909 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2910 //Stash pointer in case of GC
2911 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2912 output.println(revertptr+"=revertlist;");
2914 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2915 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2916 //Stash pointer in case of GC
2917 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2918 output.println("revertlist="+revertptr+";");
2921 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2923 } else if (fln.getType().isBoolean()) {
2924 if (((Boolean)fln.getValue()).booleanValue())
2925 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2927 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2928 } else if (fln.getType().isChar()) {
2929 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2930 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2931 } else if (fln.getType().isLong()) {
2932 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2934 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2937 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2938 if (frn.getReturnTemp()!=null) {
2939 if (frn.getReturnTemp().getType().isPtr())
2940 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2942 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2944 output.println("return;");
2948 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2949 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2952 /** This method generates header information for the method or
2953 * task referenced by the Descriptor des. */
2955 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2957 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2958 MethodDescriptor md=null;
2959 TaskDescriptor task=null;
2960 if (des instanceof MethodDescriptor)
2961 md=(MethodDescriptor) des;
2963 task=(TaskDescriptor) des;
2965 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2967 if (md!=null&&md.getReturnType()!=null) {
2968 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2969 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2971 output.print(md.getReturnType().getSafeSymbol()+" ");
2973 //catch the constructor case
2974 output.print("void ");
2976 if (state.DSM||state.SINGLETM) {
2977 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2979 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2981 output.print(task.getSafeSymbol()+"(");
2983 boolean printcomma=false;
2984 if (GENERATEPRECISEGC) {
2986 if (state.DSM||state.SINGLETM) {
2987 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2989 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2991 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2997 for(int i=0; i<objectparams.numPrimitives(); i++) {
2998 TempDescriptor temp=objectparams.getPrimitive(i);
3002 if (temp.getType().isClass()||temp.getType().isArray())
3003 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
3005 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
3007 output.println(") {");
3008 } else if (!GENERATEPRECISEGC) {
3009 /* Imprecise Task */
3010 output.println("void * parameterarray[]) {");
3011 /* Unpack variables */
3012 for(int i=0; i<objectparams.numPrimitives(); i++) {
3013 TempDescriptor temp=objectparams.getPrimitive(i);
3014 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
3016 for(int i=0; i<fm.numTags(); i++) {
3017 TempDescriptor temp=fm.getTag(i);
3018 int offset=i+objectparams.numPrimitives();
3019 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
3022 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3023 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3024 } else output.println(") {");
3027 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
3028 output.println("/* FlatFlagActionNode */");
3031 /* Process tag changes */
3032 Relation tagsettable=new Relation();
3033 Relation tagcleartable=new Relation();
3035 Iterator tagsit=ffan.getTempTagPairs();
3036 while (tagsit.hasNext()) {
3037 TempTagPair ttp=(TempTagPair) tagsit.next();
3038 TempDescriptor objtmp=ttp.getTemp();
3039 TagDescriptor tag=ttp.getTag();
3040 TempDescriptor tagtmp=ttp.getTagTemp();
3041 boolean tagstatus=ffan.getTagChange(ttp);
3043 tagsettable.put(objtmp, tagtmp);
3045 tagcleartable.put(objtmp, tagtmp);
3050 Hashtable flagandtable=new Hashtable();
3051 Hashtable flagortable=new Hashtable();
3053 /* Process flag changes */
3054 Iterator flagsit=ffan.getTempFlagPairs();
3055 while(flagsit.hasNext()) {
3056 TempFlagPair tfp=(TempFlagPair)flagsit.next();
3057 TempDescriptor temp=tfp.getTemp();
3058 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3059 FlagDescriptor flag=tfp.getFlag();
3061 //Newly allocate objects that don't set any flags case
3062 if (flagortable.containsKey(temp)) {
3066 flagortable.put(temp,new Integer(mask));
3068 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3069 boolean flagstatus=ffan.getFlagChange(tfp);
3072 if (flagortable.containsKey(temp)) {
3073 mask=((Integer)flagortable.get(temp)).intValue();
3076 flagortable.put(temp,new Integer(mask));
3078 int mask=0xFFFFFFFF;
3079 if (flagandtable.containsKey(temp)) {
3080 mask=((Integer)flagandtable.get(temp)).intValue();
3082 mask&=(0xFFFFFFFF^flagid);
3083 flagandtable.put(temp,new Integer(mask));
3089 HashSet flagtagset=new HashSet();
3090 flagtagset.addAll(flagortable.keySet());
3091 flagtagset.addAll(flagandtable.keySet());
3092 flagtagset.addAll(tagsettable.keySet());
3093 flagtagset.addAll(tagcleartable.keySet());
3095 Iterator ftit=flagtagset.iterator();
3096 while(ftit.hasNext()) {
3097 TempDescriptor temp=(TempDescriptor)ftit.next();
3100 Set tagtmps=tagcleartable.get(temp);
3101 if (tagtmps!=null) {
3102 Iterator tagit=tagtmps.iterator();
3103 while(tagit.hasNext()) {
3104 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3105 if (GENERATEPRECISEGC)
3106 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
3108 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
3112 tagtmps=tagsettable.get(temp);
3113 if (tagtmps!=null) {
3114 Iterator tagit=tagtmps.iterator();
3115 while(tagit.hasNext()) {
3116 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3117 if (GENERATEPRECISEGC)
3118 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
3120 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
3125 int andmask=0xFFFFFFF;
3127 if (flagortable.containsKey(temp))
3128 ormask=((Integer)flagortable.get(temp)).intValue();
3129 if (flagandtable.containsKey(temp))
3130 andmask=((Integer)flagandtable.get(temp)).intValue();
3131 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
3132 generateObjectDistribute(ffan, fm, lb, temp, output);
3136 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
3137 PrintWriter output, int ormask, int andmask) {
3138 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3139 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3141 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3145 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
3146 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
3149 void generateOptionalHeader(PrintWriter headers) {
3152 headers.println("#include \"task.h\"\n\n");
3153 headers.println("#ifndef _OPTIONAL_STRUCT_");
3154 headers.println("#define _OPTIONAL_STRUCT_");
3156 //STRUCT PREDICATEMEMBER
3157 headers.println("struct predicatemember{");
3158 headers.println("int type;");
3159 headers.println("int numdnfterms;");
3160 headers.println("int * flags;");
3161 headers.println("int numtags;");
3162 headers.println("int * tags;\n};\n\n");
3164 //STRUCT OPTIONALTASKDESCRIPTOR
3165 headers.println("struct optionaltaskdescriptor{");
3166 headers.println("struct taskdescriptor * task;");
3167 headers.println("int index;");
3168 headers.println("int numenterflags;");
3169 headers.println("int * enterflags;");
3170 headers.println("int numpredicatemembers;");
3171 headers.println("struct predicatemember ** predicatememberarray;");
3172 headers.println("};\n\n");
3174 //STRUCT TASKFAILURE
3175 headers.println("struct taskfailure {");
3176 headers.println("struct taskdescriptor * task;");
3177 headers.println("int index;");
3178 headers.println("int numoptionaltaskdescriptors;");
3179 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3181 //STRUCT FSANALYSISWRAPPER
3182 headers.println("struct fsanalysiswrapper{");
3183 headers.println("int flags;");
3184 headers.println("int numtags;");
3185 headers.println("int * tags;");
3186 headers.println("int numtaskfailures;");
3187 headers.println("struct taskfailure ** taskfailurearray;");
3188 headers.println("int numoptionaltaskdescriptors;");
3189 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3191 //STRUCT CLASSANALYSISWRAPPER
3192 headers.println("struct classanalysiswrapper{");
3193 headers.println("int type;");
3194 headers.println("int numotd;");
3195 headers.println("struct optionaltaskdescriptor ** otdarray;");
3196 headers.println("int numfsanalysiswrappers;");
3197 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3199 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3201 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3202 while(taskit.hasNext()) {
3203 TaskDescriptor td=(TaskDescriptor)taskit.next();
3204 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3209 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3210 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3211 int predicateindex = 0;
3212 //iterate through the classes concerned by the predicate
3213 Set c_vard = predicate.vardescriptors;
3214 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3217 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
3218 VarDescriptor vard = (VarDescriptor)vard_it.next();
3219 TypeDescriptor typed = vard.getType();
3221 //generate for flags
3222 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3223 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3225 if (fen_hashset!=null) {
3226 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
3227 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3229 DNFFlag dflag=fen.getDNF();
3230 numberterms+=dflag.size();
3232 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3234 for(int j=0; j<dflag.size(); j++) {
3236 output.println(",");
3237 Vector term=dflag.get(j);
3240 for(int k=0; k<term.size(); k++) {
3241 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3242 FlagDescriptor fd=dfa.getFlag();
3243 boolean negated=dfa.getNegated();
3244 int flagid=1<<((Integer)flags.get(fd)).intValue();
3249 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3254 output.println("};\n");
3257 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3258 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3261 for(int j=0; j<tagel.numTags(); j++) {
3263 output.println(",");
3264 TempDescriptor tmp=tagel.getTemp(j);
3265 if (!slotnumber.containsKey(tmp)) {
3266 Integer slotint=new Integer(current_slot++);
3267 slotnumber.put(tmp,slotint);
3269 int slot=slotnumber.get(tmp).intValue();
3270 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3272 numtags = tagel.numTags();
3274 output.println("};");
3276 //store the result into a predicatemember struct
3277 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3278 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3279 output.println("/* number of dnf terms */"+numberterms+",");
3280 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3281 output.println("/* number of tag */"+numtags+",");
3282 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3283 output.println("};\n");
3288 //generate an array that stores the entire predicate
3289 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3290 for( int j = 0; j<predicateindex; j++) {
3291 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3292 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3294 output.println("};\n");
3295 return predicateindex;
3299 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3300 generateOptionalHeader(headers);
3302 output.println("#include \"optionalstruct.h\"\n\n");
3303 output.println("#include \"stdlib.h\"\n");
3305 HashSet processedcd = new HashSet();
3307 Enumeration e = safeexecution.keys();
3308 while (e.hasMoreElements()) {
3311 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3312 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3314 //Generate the struct of optionals
3315 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3316 numotd = c_otd.size();
3317 if(maxotd<numotd) maxotd = numotd;
3318 if( !c_otd.isEmpty() ) {
3319 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3320 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3322 //generate the int arrays for the predicate
3323 Predicate predicate = otd.predicate;
3324 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3325 TreeSet<Integer> fsset=new TreeSet<Integer>();
3326 //iterate through possible FSes corresponding to
3327 //the state when entering
3329 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
3330 FlagState fs = (FlagState)fses.next();
3332 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3333 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3334 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3337 fsset.add(new Integer(flagid));
3338 //tag information not needed because tag
3339 //changes are not tolerated.
3342 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3343 boolean needcomma=false;
3344 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
3347 output.println(it.next());
3350 output.println("};\n");
3353 //generate optionaltaskdescriptor that actually
3354 //includes exit fses, predicate and the task
3356 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3357 output.println("&task_"+otd.td.getSafeSymbol()+",");
3358 output.println("/*index*/"+otd.getIndex()+",");
3359 output.println("/*number of enter flags*/"+fsset.size()+",");
3360 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3361 output.println("/*number of members */"+predicateindex+",");
3362 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3363 output.println("};\n");
3367 // if there are no optionals, there is no need to build the rest of the struct
3369 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3370 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3371 if( !c_otd.isEmpty() ) {
3372 boolean needcomma=false;
3373 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3374 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3376 output.println(",");
3378 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3381 output.println("};\n");
3383 //get all the possible flagstates reachable by an object
3384 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3386 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3387 fsts.addAll(hashtbtemp.keySet());
3388 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
3389 FlagState fs = (FlagState)fsit.next();
3392 //get the set of OptionalTaskDescriptors corresponding
3393 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3394 //iterate through the OptionalTaskDescriptors and
3395 //store the pointers to the optionals struct (see on
3396 //top) into an array
3398 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3399 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
3400 OptionalTaskDescriptor mm = mos.next();
3402 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3404 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3407 output.println("};\n");
3409 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3412 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3413 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3414 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3418 //process tag information
3421 boolean first = true;
3422 Enumeration tag_enum = fs.getTags();
3423 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3424 while(tag_enum.hasMoreElements()) {
3426 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3430 output.println(", ");
3431 output.println("/*tagid*/"+state.getTagId(tagd));
3433 output.println("};");
3435 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3436 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3437 TaskIndex ti=itti.next();
3441 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3443 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3444 boolean needcomma=false;
3445 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
3446 OptionalTaskDescriptor otd=otdit.next();
3450 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3452 output.println("};");
3454 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3455 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3456 output.print(ti.getIndex()+", ");
3457 output.print(otdset.size()+", ");
3458 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3459 output.println("};");
3462 tiset=sa.getTaskIndex(fs);
3463 boolean needcomma=false;
3465 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3466 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3467 TaskIndex ti=itti.next();
3468 if (ti.isRuntime()) {
3475 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3477 output.println("};\n");
3479 //Store the result in fsanalysiswrapper
3481 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3482 output.println("/*flag*/"+flagid+",");
3483 output.println("/* number of tags*/"+tagcounter+",");
3484 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3485 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3486 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3487 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3488 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3489 output.println("};\n");
3493 //Build the array of fsanalysiswrappers
3494 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3495 boolean needcomma=false;
3496 for(int i = 0; i<fscounter; i++) {
3497 if (needcomma) output.print(",");
3498 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3501 output.println("};");
3503 //Build the classanalysiswrapper referring to the previous array
3504 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3505 output.println("/*type*/"+cdtemp.getId()+",");
3506 output.println("/*numotd*/"+numotd+",");
3507 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3508 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3509 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3510 processedcd.add(cdtemp);
3513 //build an array containing every classes for which code has been build
3514 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3515 for(int i=0; i<state.numClasses(); i++) {
3516 ClassDescriptor cn=cdarray[i];
3519 if (processedcd.contains(cn))
3520 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3522 output.print("NULL");
3524 output.println("};");
3526 output.println("#define MAXOTD "+maxotd);
3527 headers.println("#endif");
3530 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3531 Relation r=new Relation();
3532 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
3533 OptionalTaskDescriptor otd=otdit.next();
3534 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3538 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3539 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
3540 Set s=r.get(it.next());
3541 for(Iterator it2=s.iterator(); it2.hasNext();) {
3542 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3550 protected void outputTransCode(PrintWriter output) {