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 Hashtable<FlatSESEEnterNode, FlatMethod> sese2bogusFlatMeth;
59 boolean nonSESEpass=true;
64 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
65 this(st, temptovar, typeutil, null, sa, pa, null);
68 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa, MLPAnalysis mlpa) {
69 this(st, temptovar, typeutil, null, sa, pa, mlpa);
72 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa, MLPAnalysis mlpa) {
73 this(st, temptovar, typeutil, locality, null, pa, mlpa);
76 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa, MLPAnalysis mlpa) {
81 callgraph=new CallGraph(state);
83 oidstr="___objlocation___";
84 this.temptovar=temptovar;
85 paramstable=new Hashtable();
86 tempstable=new Hashtable();
87 fieldorder=new Hashtable();
88 flagorder=new Hashtable();
89 this.typeutil=typeutil;
90 virtualcalls=new Virtual(state,locality);
92 this.locality=locality;
93 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
94 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
95 this.wb=new WriteBarrier(locality, st);
97 if (state.SINGLETM&&state.DCOPTS) {
98 TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
99 this.dc=new DiscoverConflicts(locality, st, typeanalysis);
103 sese2bogusFlatMeth = new Hashtable<FlatSESEEnterNode, FlatMethod>();
107 /** The buildCode method outputs C code for all the methods. The Flat
108 * versions of the methods must already be generated and stored in
109 * the State object. */
111 public void buildCode() {
112 /* Create output streams to write to */
113 PrintWriter outclassdefs=null;
114 PrintWriter outstructs=null;
115 PrintWriter outrepairstructs=null;
116 PrintWriter outmethodheader=null;
117 PrintWriter outmethod=null;
118 PrintWriter outvirtual=null;
119 PrintWriter outtask=null;
120 PrintWriter outtaskdefs=null;
121 PrintWriter outoptionalarrays=null;
122 PrintWriter optionalheaders=null;
125 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
126 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
127 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
128 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
129 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
131 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
132 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
133 if (state.OPTIONAL) {
134 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
135 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
138 if (state.structfile!=null) {
139 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
141 } catch (Exception e) {
146 /* Build the virtual dispatch tables */
147 buildVirtualTables(outvirtual);
149 /* Output includes */
150 outmethodheader.println("#ifndef METHODHEADERS_H");
151 outmethodheader.println("#define METHODHEADERS_H");
152 outmethodheader.println("#include \"structdefs.h\"");
154 outmethodheader.println("#include \"dstm.h\"");
156 outmethodheader.println("#include \"tm.h\"");
157 if (state.ABORTREADERS) {
158 outmethodheader.println("#include \"abortreaders.h\"");
159 outmethodheader.println("#include <setjmp.h>");
162 outmethodheader.println("#include <stdlib.h>");
163 outmethodheader.println("#include <stdio.h>");
164 outmethodheader.println("#include \"mlp_runtime.h\"");
167 /* Output Structures */
168 outputStructs(outstructs);
170 // Output the C class declarations
171 // These could mutually reference each other
172 outputClassDeclarations(outclassdefs);
174 // Output function prototypes and structures for parameters
175 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
176 while(it.hasNext()) {
177 ClassDescriptor cn=(ClassDescriptor)it.next();
178 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
180 outclassdefs.close();
183 /* Map flags to integers */
184 /* The runtime keeps track of flags using these integers */
185 it=state.getClassSymbolTable().getDescriptorsIterator();
186 while(it.hasNext()) {
187 ClassDescriptor cn=(ClassDescriptor)it.next();
191 generateTaskStructs(outstructs, outmethodheader);
193 /* Outputs generic task structures if this is a task
195 outputTaskTypes(outtask);
198 /* Build the actual methods */
199 outputMethods(outmethod);
201 // Output function prototypes and structures for SESE's and code
205 // first generate code for each sese's internals
206 for(Iterator<FlatSESEEnterNode> seseit=mlpa.getAllSESEs().iterator();seseit.hasNext();) {
207 FlatSESEEnterNode fsen = seseit.next();
208 generateMethodSESE(fsen, null, outstructs, outmethodheader, outmethod);
211 // then write the invokeSESE switch to decouple scheduler
212 // from having to do unique details of sese invocation
213 generateSESEinvocationMethod(outmethodheader, outmethod);
217 /* Output code for tasks */
218 outputTaskCode(outtaskdefs, outmethod);
220 /* Record maximum number of task parameters */
221 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
222 } else if (state.main!=null) {
223 /* Generate main method */
224 outputMainMethod(outmethod);
227 /* Generate information for task with optional parameters */
228 if (state.TASK&&state.OPTIONAL) {
229 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
230 outoptionalarrays.close();
233 /* Output structure definitions for repair tool */
234 if (state.structfile!=null) {
235 buildRepairStructs(outrepairstructs);
236 outrepairstructs.close();
240 outmethodheader.println("#endif");
241 outmethodheader.close();
243 outstructs.println("#endif");
248 /* This code just generates the main C method for java programs.
249 * The main C method packs up the arguments into a string array
250 * and passes it to the java main method. */
252 private void outputMainMethod(PrintWriter outmethod) {
253 outmethod.println("int main(int argc, const char *argv[]) {");
254 outmethod.println(" int i;");
256 outmethod.println("#ifdef TRANSSTATS \n");
257 outmethod.println("handle();\n");
258 outmethod.println("#endif\n");
260 if (state.THREAD||state.DSM||state.SINGLETM) {
261 outmethod.println("initializethreads();");
264 outmethod.println("if (dstmStartup(argv[1])) {");
265 if (GENERATEPRECISEGC) {
266 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
268 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
271 if (GENERATEPRECISEGC) {
272 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
274 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
278 outmethod.println(" for(i=2;i<argc;i++) {");
280 outmethod.println(" for(i=1;i<argc;i++) {");
281 outmethod.println(" int length=strlen(argv[i]);");
282 if (GENERATEPRECISEGC) {
283 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
285 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
288 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
290 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
291 outmethod.println(" }");
294 outmethod.println(" mlpInit();");
297 MethodDescriptor md=typeutil.getMain();
298 ClassDescriptor cd=typeutil.getMainClass();
300 outmethod.println(" {");
301 if (GENERATEPRECISEGC) {
302 if (state.DSM||state.SINGLETM) {
303 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
305 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
306 outmethod.println("1, NULL,"+"stringarray};");
307 if (state.DSM||state.SINGLETM)
308 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
310 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
312 if (state.DSM||state.SINGLETM)
313 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
315 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
317 outmethod.println(" }");
320 outmethod.println("}");
323 if (state.THREAD||state.DSM||state.SINGLETM) {
324 outmethod.println("pthread_mutex_lock(&gclistlock);");
325 outmethod.println("threadcount--;");
326 outmethod.println("pthread_cond_signal(&gccond);");
327 outmethod.println("pthread_mutex_unlock(&gclistlock);");
330 if (state.DSM||state.SINGLETM) {
331 outmethod.println("#ifdef TRANSSTATS \n");
332 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
333 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
334 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
335 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
337 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
338 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
339 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
340 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
341 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
342 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
343 } else if (state.SINGLETM) {
344 outmethod.println("printf(\"nSoftAbortAbort= %d\\n\", nSoftAbortAbort);");
345 outmethod.println("printf(\"nSoftAbortCommit= %d\\n\", nSoftAbortCommit);");
346 outmethod.println("#ifdef STMSTATS\n");
347 outmethod.println("for(i=0; i<TOTALNUMCLASSANDARRAY; i++) {\n");
348 outmethod.println(" printf(\"typesCausingAbort[%d]= %d\\n\", i, typesCausingAbort[i]);\n");
349 outmethod.println("}\n");
350 outmethod.println("#endif\n");
351 outmethod.println("fflush(stdout);");
353 outmethod.println("#endif\n");
356 if (state.THREAD||state.SINGLETM)
357 outmethod.println("pthread_exit(NULL);");
359 outmethod.println("}");
362 /* This method outputs code for each task. */
364 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
365 /* Compile task based program */
366 outtaskdefs.println("#include \"task.h\"");
367 outtaskdefs.println("#include \"methodheaders.h\"");
368 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
369 while(taskit.hasNext()) {
370 TaskDescriptor td=(TaskDescriptor)taskit.next();
371 FlatMethod fm=state.getMethodFlat(td);
372 generateFlatMethod(fm, null, outmethod);
373 generateTaskDescriptor(outtaskdefs, fm, td);
376 //Output task descriptors
377 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
378 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
380 while(taskit.hasNext()) {
381 TaskDescriptor td=(TaskDescriptor)taskit.next();
385 outtaskdefs.println(",");
386 outtaskdefs.print("&task_"+td.getSafeSymbol());
388 outtaskdefs.println("};");
390 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
393 /* This method outputs most of the methods.c file. This includes
394 * some standard includes and then an array with the sizes of
395 * objets and array that stores supertype and then the code for
396 * the Java methods.. */
398 protected void outputMethods(PrintWriter outmethod) {
399 outmethod.println("#include \"methodheaders.h\"");
400 outmethod.println("#include \"virtualtable.h\"");
401 outmethod.println("#include \"runtime.h\"");
403 outmethod.println("#include \"addPrefetchEnhance.h\"");
404 outmethod.println("#include \"localobjects.h\"");
406 if (state.FASTCHECK) {
407 outmethod.println("#include \"localobjects.h\"");
409 if(state.MULTICORE) {
410 outmethod.println("#include \"task.h\"");
411 outmethod.println("#include \"multicoreruntime.h\"");
412 outmethod.println("#include \"runtime_arch.h\"");
414 if (state.THREAD||state.DSM||state.SINGLETM)
415 outmethod.println("#include <thread.h>");
416 if (state.main!=null) {
417 outmethod.println("#include <string.h>");
419 if (state.CONSCHECK) {
420 outmethod.println("#include \"checkers.h\"");
423 outmethod.println("#include \"mlp_runtime.h\"");
426 //Store the sizes of classes & array elements
427 generateSizeArray(outmethod);
429 //Store table of supertypes
430 generateSuperTypeTable(outmethod);
432 //Store the layout of classes
433 generateLayoutStructs(outmethod);
435 /* Generate code for methods */
436 if (state.DSM||state.SINGLETM) {
437 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
438 LocalityBinding lb=lbit.next();
439 MethodDescriptor md=lb.getMethod();
440 FlatMethod fm=state.getMethodFlat(md);
442 if (!md.getModifiers().isNative()) {
443 generateFlatMethod(fm, lb, outmethod);
447 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
448 while(classit.hasNext()) {
449 ClassDescriptor cn=(ClassDescriptor)classit.next();
450 if(state.MULTICORE) {
451 if(cn.getSymbol().equals("Math")) {
455 Iterator methodit=cn.getMethods();
456 while(methodit.hasNext()) {
457 /* Classify parameters */
458 MethodDescriptor md=(MethodDescriptor)methodit.next();
459 FlatMethod fm=state.getMethodFlat(md);
460 if (!md.getModifiers().isNative()) {
461 generateFlatMethod(fm, null, outmethod);
468 protected void outputStructs(PrintWriter outstructs) {
469 outstructs.println("#ifndef STRUCTDEFS_H");
470 outstructs.println("#define STRUCTDEFS_H");
471 outstructs.println("#include \"classdefs.h\"");
472 outstructs.println("#ifndef INTPTR");
473 outstructs.println("#ifdef BIT64");
474 outstructs.println("#define INTPTR long");
475 outstructs.println("#else");
476 outstructs.println("#define INTPTR int");
477 outstructs.println("#endif");
478 outstructs.println("#endif");
480 /* Output #defines that the runtime uses to determine type
481 * numbers for various objects it needs */
482 outstructs.println("#define MAXCOUNT "+maxcount);
483 if (state.DSM||state.SINGLETM) {
484 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
486 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
487 else if (state.SINGLETM)
488 lb.setGlobalThis(LocalityAnalysis.NORMAL);
489 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
492 outstructs.println("#define STRINGARRAYTYPE "+
493 (state.getArrayNumber(
494 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
496 outstructs.println("#define OBJECTARRAYTYPE "+
497 (state.getArrayNumber(
498 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
501 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
502 outstructs.println("#define CHARARRAYTYPE "+
503 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
505 outstructs.println("#define BYTEARRAYTYPE "+
506 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
508 outstructs.println("#define BYTEARRAYARRAYTYPE "+
509 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
511 outstructs.println("#define NUMCLASSES "+state.numClasses());
512 int totalClassSize = state.numClasses() + state.numArrays();
513 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
515 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
516 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
517 outstructs.println("#define TAGARRAYTYPE "+
518 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
522 protected void outputClassDeclarations(PrintWriter outclassdefs) {
523 if (state.THREAD||state.DSM||state.SINGLETM)
524 outclassdefs.println("#include <pthread.h>");
525 outclassdefs.println("#ifndef INTPTR");
526 outclassdefs.println("#ifdef BIT64");
527 outclassdefs.println("#define INTPTR long");
528 outclassdefs.println("#else");
529 outclassdefs.println("#define INTPTR int");
530 outclassdefs.println("#endif");
531 outclassdefs.println("#endif");
533 outclassdefs.println("#include \"optionalstruct.h\"");
534 outclassdefs.println("struct "+arraytype+";");
535 /* Start by declaring all structs */
536 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
537 while(it.hasNext()) {
538 ClassDescriptor cn=(ClassDescriptor)it.next();
539 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
541 outclassdefs.println("");
542 //Print out definition for array type
543 outclassdefs.println("struct "+arraytype+" {");
544 outclassdefs.println(" int type;");
546 outclassdefs.println(" pthread_t tid;");
547 outclassdefs.println(" void * lockentry;");
548 outclassdefs.println(" int lockcount;");
551 outclassdefs.println(" int flag;");
552 if(!state.MULTICORE) {
553 outclassdefs.println(" void * flagptr;");
555 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
556 outclassdefs.println(" int version;");
557 outclassdefs.println(" struct ___Object___ * original;");
558 //outclassdefs.println(" int numlocks;"); // array for locks
559 outclassdefs.println(" int * lock;");
562 outclassdefs.println(" int numfses;");
563 outclassdefs.println(" int * fses;");
566 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
568 outclassdefs.println(" int ___length___;");
569 outclassdefs.println("};\n");
570 outclassdefs.println("extern int classsize[];");
571 outclassdefs.println("extern int hasflags[];");
572 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
573 outclassdefs.println("extern int supertypes[];");
576 /** Prints out definitions for generic task structures */
578 private void outputTaskTypes(PrintWriter outtask) {
579 outtask.println("#ifndef _TASK_H");
580 outtask.println("#define _TASK_H");
581 outtask.println("struct parameterdescriptor {");
582 outtask.println("int type;");
583 outtask.println("int numberterms;");
584 outtask.println("int *intarray;");
585 outtask.println("void * queue;");
586 outtask.println("int numbertags;");
587 outtask.println("int *tagarray;");
588 outtask.println("};");
590 outtask.println("struct taskdescriptor {");
591 outtask.println("void * taskptr;");
592 outtask.println("int numParameters;");
593 outtask.println(" int numTotal;");
594 outtask.println("struct parameterdescriptor **descriptorarray;");
595 outtask.println("char * name;");
596 outtask.println("};");
597 outtask.println("extern struct taskdescriptor * taskarray[];");
598 outtask.println("extern numtasks;");
599 outtask.println("#endif");
603 private void buildRepairStructs(PrintWriter outrepairstructs) {
604 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
605 while(classit.hasNext()) {
606 ClassDescriptor cn=(ClassDescriptor)classit.next();
607 outrepairstructs.println("structure "+cn.getSymbol()+" {");
608 outrepairstructs.println(" int __type__;");
610 outrepairstructs.println(" int __flag__;");
611 if(!state.MULTICORE) {
612 outrepairstructs.println(" int __flagptr__;");
615 printRepairStruct(cn, outrepairstructs);
616 outrepairstructs.println("}\n");
619 for(int i=0; i<state.numArrays(); i++) {
620 TypeDescriptor tdarray=arraytable[i];
621 TypeDescriptor tdelement=tdarray.dereference();
622 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
623 outrepairstructs.println(" int __type__;");
624 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
625 outrepairstructs.println(" int length;");
627 // Need to add support to repair tool for this
628 if (tdelement.isClass()||tdelement.isArray())
629 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
631 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
633 outrepairstructs.println("}\n");
637 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
638 ClassDescriptor sp=cn.getSuperDesc();
640 printRepairStruct(sp, output);
642 Vector fields=(Vector)fieldorder.get(cn);
644 for(int i=0; i<fields.size(); i++) {
645 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
646 if (fd.getType().isArray()) {
647 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
648 } else if (fd.getType().isClass())
649 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
650 else if (fd.getType().isFloat())
651 output.println(" int "+fd.getSymbol()+"; /* really float */");
653 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
657 /** This method outputs TaskDescriptor information */
658 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
659 for (int i=0; i<task.numParameters(); i++) {
660 VarDescriptor param_var=task.getParameter(i);
661 TypeDescriptor param_type=task.getParamType(i);
662 FlagExpressionNode param_flag=task.getFlag(param_var);
663 TagExpressionList param_tag=task.getTag(param_var);
666 if (param_flag==null) {
667 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
668 output.println("0x0, 0x0 };");
671 DNFFlag dflag=param_flag.getDNF();
672 dnfterms=dflag.size();
674 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
675 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
676 for(int j=0; j<dflag.size(); j++) {
679 Vector term=dflag.get(j);
682 for(int k=0; k<term.size(); k++) {
683 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
684 FlagDescriptor fd=dfa.getFlag();
685 boolean negated=dfa.getNegated();
686 int flagid=1<<((Integer)flags.get(fd)).intValue();
691 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
693 output.println("};");
696 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
697 //BUG...added next line to fix, test with any task program
699 for(int j=0; j<param_tag.numTags(); j++) {
702 /* for each tag we need */
703 /* which slot it is */
704 /* what type it is */
705 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
706 TempDescriptor tmp=param_tag.getTemp(j);
707 int slot=fm.getTagInt(tmp);
708 output.println(slot+", "+state.getTagId(tvd.getTag()));
710 output.println("};");
712 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
713 output.println("/* type */"+param_type.getClassDesc().getId()+",");
714 output.println("/* number of DNF terms */"+dnfterms+",");
715 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
716 output.println("0,");
717 //BUG, added next line to fix and else statement...test
718 //with any task program
720 output.println("/* number of tags */"+param_tag.numTags()+",");
722 output.println("/* number of tags */ 0,");
723 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
724 output.println("};");
728 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
729 for (int i=0; i<task.numParameters(); i++) {
732 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
734 output.println("};");
736 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
737 output.println("&"+task.getSafeSymbol()+",");
738 output.println("/* number of parameters */" +task.numParameters() + ",");
739 int numtotal=task.numParameters()+fm.numTags();
740 output.println("/* number total parameters */" +numtotal + ",");
741 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
742 output.println("\""+task.getSymbol()+"\"");
743 output.println("};");
747 /** The buildVirtualTables method outputs the virtual dispatch
748 * tables for methods. */
750 protected void buildVirtualTables(PrintWriter outvirtual) {
751 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
752 while(classit.hasNext()) {
753 ClassDescriptor cd=(ClassDescriptor)classit.next();
754 if (virtualcalls.getMethodCount(cd)>maxcount)
755 maxcount=virtualcalls.getMethodCount(cd);
757 MethodDescriptor[][] virtualtable=null;
758 LocalityBinding[][] lbvirtualtable=null;
759 if (state.DSM||state.SINGLETM)
760 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
762 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
764 /* Fill in virtual table */
765 classit=state.getClassSymbolTable().getDescriptorsIterator();
766 while(classit.hasNext()) {
767 ClassDescriptor cd=(ClassDescriptor)classit.next();
768 if (state.DSM||state.SINGLETM)
769 fillinRow(cd, lbvirtualtable, cd.getId());
771 fillinRow(cd, virtualtable, cd.getId());
774 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
775 Iterator arrayit=state.getArrayIterator();
776 while(arrayit.hasNext()) {
777 TypeDescriptor td=(TypeDescriptor)arrayit.next();
778 int id=state.getArrayNumber(td);
779 if (state.DSM||state.SINGLETM)
780 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
782 fillinRow(objectcd, virtualtable, id+state.numClasses());
785 outvirtual.print("void * virtualtable[]={");
786 boolean needcomma=false;
787 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
788 for(int j=0; j<maxcount; j++) {
790 outvirtual.print(", ");
791 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
792 LocalityBinding lb=lbvirtualtable[i][j];
793 MethodDescriptor md=lb.getMethod();
794 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
795 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
796 MethodDescriptor md=virtualtable[i][j];
797 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
799 outvirtual.print("0");
803 outvirtual.println("");
805 outvirtual.println("};");
809 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
810 /* Get inherited methods */
811 if (cd.getSuperDesc()!=null)
812 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
813 /* Override them with our methods */
814 for(Iterator it=cd.getMethods(); it.hasNext();) {
815 MethodDescriptor md=(MethodDescriptor)it.next();
816 if (md.isStatic()||md.getReturnType()==null)
818 int methodnum=virtualcalls.getMethodNumber(md);
819 virtualtable[rownum][methodnum]=md;
823 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
824 /* Get inherited methods */
825 if (cd.getSuperDesc()!=null)
826 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
827 /* Override them with our methods */
828 if (locality.getClassBindings(cd)!=null)
829 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
830 LocalityBinding lb=lbit.next();
831 MethodDescriptor md=lb.getMethod();
832 //Is the method static or a constructor
833 if (md.isStatic()||md.getReturnType()==null)
835 int methodnum=virtualcalls.getLocalityNumber(lb);
836 virtualtable[rownum][methodnum]=lb;
840 /** Generate array that contains the sizes of class objects. The
841 * object allocation functions in the runtime use this
844 private void generateSizeArray(PrintWriter outclassdefs) {
845 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
846 outclassdefs.print("#ifdef TRANSSTATS \n");
847 outclassdefs.print("extern int numTransAbort;\n");
848 outclassdefs.print("extern int numTransCommit;\n");
849 outclassdefs.print("extern int nSoftAbort;\n");
851 outclassdefs.print("extern int nchashSearch;\n");
852 outclassdefs.print("extern int nmhashSearch;\n");
853 outclassdefs.print("extern int nprehashSearch;\n");
854 outclassdefs.print("extern int nRemoteSend;\n");
855 outclassdefs.print("extern int bytesSent;\n");
856 outclassdefs.print("extern int bytesRecv;\n");
857 outclassdefs.print("extern void handle();\n");
858 } else if (state.SINGLETM) {
859 outclassdefs.println("extern int nSoftAbortAbort;");
860 outclassdefs.println("extern int nSoftAbortCommit;");
861 outclassdefs.println("#ifdef STMSTATS\n");
862 outclassdefs.println("extern int typesCausingAbort[];");
863 outclassdefs.println("#endif\n");
865 outclassdefs.print("#endif\n");
866 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
868 outclassdefs.print("int classsize[]={");
869 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
870 cdarray=new ClassDescriptor[state.numClasses()];
871 while(it.hasNext()) {
872 ClassDescriptor cd=(ClassDescriptor)it.next();
873 cdarray[cd.getId()]=cd;
875 boolean needcomma=false;
876 for(int i=0; i<state.numClasses(); i++) {
878 outclassdefs.print(", ");
879 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
884 arraytable=new TypeDescriptor[state.numArrays()];
886 Iterator arrayit=state.getArrayIterator();
887 while(arrayit.hasNext()) {
888 TypeDescriptor td=(TypeDescriptor)arrayit.next();
889 int id=state.getArrayNumber(td);
893 for(int i=0; i<state.numArrays(); i++) {
895 outclassdefs.print(", ");
896 TypeDescriptor tdelement=arraytable[i].dereference();
897 if (tdelement.isArray()||tdelement.isClass())
898 outclassdefs.print("sizeof(void *)");
900 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
904 outclassdefs.println("};");
906 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
908 outclassdefs.print("int typearray[]={");
909 for(int i=0; i<state.numClasses(); i++) {
910 ClassDescriptor cd=cdarray[i];
911 ClassDescriptor supercd=cd.getSuperDesc();
913 outclassdefs.print(", ");
915 outclassdefs.print("-1");
917 outclassdefs.print(supercd.getId());
921 for(int i=0; i<state.numArrays(); i++) {
922 TypeDescriptor arraytd=arraytable[i];
923 ClassDescriptor arraycd=arraytd.getClassDesc();
926 outclassdefs.print(", ");
927 outclassdefs.print(objectclass.getId());
931 ClassDescriptor cd=arraycd.getSuperDesc();
934 TypeDescriptor supertd=new TypeDescriptor(cd);
935 supertd.setArrayCount(arraytd.getArrayCount());
936 type=state.getArrayNumber(supertd);
938 type+=state.numClasses();
941 cd=cd.getSuperDesc();
944 outclassdefs.print(", ");
945 outclassdefs.print(type);
949 outclassdefs.println("};");
954 outclassdefs.print("int typearray2[]={");
955 for(int i=0; i<state.numArrays(); i++) {
956 TypeDescriptor arraytd=arraytable[i];
957 ClassDescriptor arraycd=arraytd.getClassDesc();
960 outclassdefs.print(", ");
961 outclassdefs.print("-1");
965 ClassDescriptor cd=arraycd.getSuperDesc();
966 int level=arraytd.getArrayCount()-1;
968 for(; level>0; level--) {
969 TypeDescriptor supertd=new TypeDescriptor(objectclass);
970 supertd.setArrayCount(level);
971 type=state.getArrayNumber(supertd);
973 type+=state.numClasses();
978 outclassdefs.print(", ");
979 outclassdefs.print(type);
983 outclassdefs.println("};");
986 /** Constructs params and temp objects for each method or task.
987 * These objects tell the compiler which temps need to be
990 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
991 MethodDescriptor md=fm.getMethod();
992 TaskDescriptor task=fm.getTask();
993 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
994 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
996 paramstable.put(lb, objectparams);
997 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
999 paramstable.put(md, objectparams);
1001 paramstable.put(task, objectparams);
1003 for(int i=0; i<fm.numParameters(); i++) {
1004 TempDescriptor temp=fm.getParameter(i);
1005 TypeDescriptor type=temp.getType();
1006 if (type.isPtr()&&GENERATEPRECISEGC)
1007 objectparams.addPtr(temp);
1009 objectparams.addPrim(temp);
1010 if(lb!=null&&saveset.contains(temp)) {
1011 backuptable.get(lb).put(temp, temp.createNew());
1015 for(int i=0; i<fm.numTags(); i++) {
1016 TempDescriptor temp=fm.getTag(i);
1017 if (GENERATEPRECISEGC)
1018 objectparams.addPtr(temp);
1020 objectparams.addPrim(temp);
1023 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1025 tempstable.put(lb, objecttemps);
1027 tempstable.put(md, objecttemps);
1029 tempstable.put(task, objecttemps);
1031 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
1032 FlatNode fn=(FlatNode)nodeit.next();
1033 TempDescriptor[] writes=fn.writesTemps();
1034 for(int i=0; i<writes.length; i++) {
1035 TempDescriptor temp=writes[i];
1036 TypeDescriptor type=temp.getType();
1037 if (type.isPtr()&&GENERATEPRECISEGC)
1038 objecttemps.addPtr(temp);
1040 objecttemps.addPrim(temp);
1041 if(lb!=null&&saveset.contains(temp)&&
1042 !backuptable.get(lb).containsKey(temp))
1043 backuptable.get(lb).put(temp, temp.createNew());
1047 /* Create backup temps */
1049 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
1050 TempDescriptor tmp=tmpit.next();
1051 TypeDescriptor type=tmp.getType();
1052 if (type.isPtr()&&GENERATEPRECISEGC)
1053 objecttemps.addPtr(tmp);
1055 objecttemps.addPrim(tmp);
1057 /* Create temp to hold revert table */
1058 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
1059 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
1060 if (GENERATEPRECISEGC)
1061 objecttemps.addPtr(reverttmp);
1063 objecttemps.addPrim(reverttmp);
1064 reverttable.put(lb, reverttmp);
1069 /** This method outputs the following information about classes
1071 * (1) For classes, what are the locations of pointers.
1072 * (2) For arrays, does the array contain pointers or primitives.
1073 * (3) For classes, does the class contain flags.
1076 private void generateLayoutStructs(PrintWriter output) {
1077 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1078 while(it.hasNext()) {
1079 ClassDescriptor cn=(ClassDescriptor)it.next();
1080 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1081 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1083 while(allit.hasNext()) {
1084 FieldDescriptor fd=(FieldDescriptor)allit.next();
1085 TypeDescriptor type=fd.getType();
1086 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1091 output.print(count);
1092 allit=cn.getFieldTable().getAllDescriptorsIterator();
1093 while(allit.hasNext()) {
1094 FieldDescriptor fd=(FieldDescriptor)allit.next();
1095 TypeDescriptor type=fd.getType();
1096 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1099 output.println(",");
1100 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
1103 output.println("};");
1105 output.println("unsigned INTPTR * pointerarray[]={");
1106 boolean needcomma=false;
1107 for(int i=0; i<state.numClasses(); i++) {
1108 ClassDescriptor cn=cdarray[i];
1110 output.println(",");
1112 output.print(cn.getSafeSymbol()+"_pointers");
1115 for(int i=0; i<state.numArrays(); i++) {
1117 output.println(", ");
1118 TypeDescriptor tdelement=arraytable[i].dereference();
1119 if (tdelement.isArray()||tdelement.isClass())
1120 output.print("((unsigned INTPTR *)1)");
1126 output.println("};");
1128 output.println("int hasflags[]={");
1129 for(int i=0; i<state.numClasses(); i++) {
1130 ClassDescriptor cn=cdarray[i];
1132 output.println(", ");
1139 output.println("};");
1142 /** Print out table to give us supertypes */
1143 private void generateSuperTypeTable(PrintWriter output) {
1144 output.println("int supertypes[]={");
1145 boolean needcomma=false;
1146 for(int i=0; i<state.numClasses(); i++) {
1147 ClassDescriptor cn=cdarray[i];
1149 output.println(",");
1151 if (cn.getSuperDesc()!=null) {
1152 ClassDescriptor cdsuper=cn.getSuperDesc();
1153 output.print(cdsuper.getId());
1157 output.println("};");
1160 /** Force consistent field ordering between inherited classes. */
1162 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
1164 ClassDescriptor sp=cn.getSuperDesc();
1166 printClassStruct(sp, classdefout);
1168 if (!fieldorder.containsKey(cn)) {
1169 Vector fields=new Vector();
1170 fieldorder.put(cn,fields);
1171 if (sp==null&&!state.TASK) {
1172 fields.add(cn.getFieldTable().get("cachedCode"));
1174 Iterator fieldit=cn.getFields();
1175 while(fieldit.hasNext()) {
1176 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
1177 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
1178 (!fd.getSymbol().equals("cachedCode")||state.TASK))
1182 Vector fields=(Vector)fieldorder.get(cn);
1184 for(int i=0; i<fields.size(); i++) {
1185 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1186 if (fd.getType().isClass()||fd.getType().isArray())
1187 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1189 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1194 /* Map flags to integers consistently between inherited
1197 protected void mapFlags(ClassDescriptor cn) {
1198 ClassDescriptor sp=cn.getSuperDesc();
1202 if (!flagorder.containsKey(cn)) {
1203 Hashtable flags=new Hashtable();
1204 flagorder.put(cn,flags);
1206 Hashtable superflags=(Hashtable)flagorder.get(sp);
1207 Iterator superflagit=superflags.keySet().iterator();
1208 while(superflagit.hasNext()) {
1209 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1210 Integer number=(Integer)superflags.get(fd);
1211 flags.put(fd, number);
1212 if ((number.intValue()+1)>max)
1213 max=number.intValue()+1;
1217 Iterator flagit=cn.getFlags();
1218 while(flagit.hasNext()) {
1219 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1220 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1221 flags.put(fd, new Integer(max++));
1227 /** This function outputs (1) structures that parameters are
1228 * passed in (when PRECISE GC is enabled) and (2) function
1229 * prototypes for the methods */
1231 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1232 /* Output class structure */
1233 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1234 classdefout.println(" int type;");
1236 classdefout.println(" pthread_t tid;");
1237 classdefout.println(" void * lockentry;");
1238 classdefout.println(" int lockcount;");
1242 classdefout.println(" int flag;");
1243 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1244 classdefout.println(" void * flagptr;");
1245 } else if (state.MULTICORE) {
1246 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1247 classdefout.println(" int version;");
1248 classdefout.println(" struct ___Object___ * original;");
1249 //classdefout.println(" int numlocks;"); // array for locks
1250 classdefout.println(" int * lock;");
1252 if (state.OPTIONAL) {
1253 classdefout.println(" int numfses;");
1254 classdefout.println(" int * fses;");
1257 printClassStruct(cn, classdefout);
1258 classdefout.println("};\n");
1260 if (state.DSM||state.SINGLETM) {
1261 /* Cycle through LocalityBindings */
1262 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1263 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1265 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1266 LocalityBinding lb=lbit.next();
1267 MethodDescriptor md=lb.getMethod();
1268 if (md.getModifiers().isNative()) {
1269 //make sure we only print a native method once
1270 if (nativemethods.contains(md)) {
1271 FlatMethod fm=state.getMethodFlat(md);
1272 generateTempStructs(fm, lb);
1275 nativemethods.add(md);
1277 generateMethod(cn, md, lb, headersout, output);
1280 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1281 MethodDescriptor md=(MethodDescriptor)methodit.next();
1282 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1283 //Need to build param structure for library code
1284 FlatMethod fm=state.getMethodFlat(md);
1285 generateTempStructs(fm, null);
1286 generateMethodParam(cn, md, null, output);
1291 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1292 MethodDescriptor md=(MethodDescriptor)methodit.next();
1293 generateMethod(cn, md, null, headersout, output);
1297 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1298 /* Output parameter structure */
1299 if (GENERATEPRECISEGC) {
1300 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1301 if ((state.DSM||state.SINGLETM)&&lb!=null)
1302 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1304 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1305 output.println(" INTPTR size;");
1306 output.println(" void * next;");
1307 for(int i=0; i<objectparams.numPointers(); i++) {
1308 TempDescriptor temp=objectparams.getPointer(i);
1309 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1311 output.println("};\n");
1316 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1317 FlatMethod fm=state.getMethodFlat(md);
1318 generateTempStructs(fm, lb);
1320 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1321 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1323 generateMethodParam(cn, md, lb, output);
1325 /* Output temp structure */
1326 if (GENERATEPRECISEGC) {
1327 if (state.DSM||state.SINGLETM)
1328 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1330 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1331 output.println(" INTPTR size;");
1332 output.println(" void * next;");
1333 for(int i=0; i<objecttemps.numPointers(); i++) {
1334 TempDescriptor temp=objecttemps.getPointer(i);
1335 if (temp.getType().isNull())
1336 output.println(" void * "+temp.getSafeSymbol()+";");
1338 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1340 output.println("};\n");
1343 /********* Output method declaration ***********/
1344 if (state.DSM||state.SINGLETM) {
1345 headersout.println("#define D"+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1347 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1349 /* First the return type */
1350 if (md.getReturnType()!=null) {
1351 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1352 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1354 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1356 //catch the constructor case
1357 headersout.print("void ");
1359 /* Next the method name */
1360 if (state.DSM||state.SINGLETM) {
1361 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1363 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1365 boolean printcomma=false;
1366 if (GENERATEPRECISEGC) {
1367 if (state.DSM||state.SINGLETM) {
1368 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1370 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1374 /* Output parameter list*/
1375 for(int i=0; i<objectparams.numPrimitives(); i++) {
1376 TempDescriptor temp=objectparams.getPrimitive(i);
1378 headersout.print(", ");
1380 if (temp.getType().isClass()||temp.getType().isArray())
1381 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1383 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1385 headersout.println(");\n");
1389 /** This function outputs (1) structures that parameters are
1390 * passed in (when PRECISE GC is enabled) and (2) function
1391 * prototypes for the tasks */
1393 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1394 /* Cycle through tasks */
1395 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1397 while(taskit.hasNext()) {
1398 /* Classify parameters */
1399 TaskDescriptor task=(TaskDescriptor)taskit.next();
1400 FlatMethod fm=state.getMethodFlat(task);
1401 generateTempStructs(fm, null);
1403 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1404 TempObject objecttemps=(TempObject) tempstable.get(task);
1406 /* Output parameter structure */
1407 if (GENERATEPRECISEGC) {
1408 output.println("struct "+task.getSafeSymbol()+"_params {");
1410 output.println(" INTPTR size;");
1411 output.println(" void * next;");
1412 for(int i=0; i<objectparams.numPointers(); i++) {
1413 TempDescriptor temp=objectparams.getPointer(i);
1414 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1417 output.println("};\n");
1418 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1419 maxtaskparams=objectparams.numPointers()+fm.numTags();
1423 /* Output temp structure */
1424 if (GENERATEPRECISEGC) {
1425 output.println("struct "+task.getSafeSymbol()+"_locals {");
1426 output.println(" INTPTR size;");
1427 output.println(" void * next;");
1428 for(int i=0; i<objecttemps.numPointers(); i++) {
1429 TempDescriptor temp=objecttemps.getPointer(i);
1430 if (temp.getType().isNull())
1431 output.println(" void * "+temp.getSafeSymbol()+";");
1432 else if(temp.getType().isTag())
1433 output.println(" struct "+
1434 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1436 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1438 output.println("};\n");
1441 /* Output task declaration */
1442 headersout.print("void " + task.getSafeSymbol()+"(");
1444 boolean printcomma=false;
1445 if (GENERATEPRECISEGC) {
1446 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1448 headersout.print("void * parameterarray[]");
1449 headersout.println(");\n");
1453 /***** Generate code for FlatMethod fm. *****/
1455 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1456 if (State.PRINTFLAT)
1457 System.out.println(fm.printMethod());
1458 MethodDescriptor md=fm.getMethod();
1460 TaskDescriptor task=fm.getTask();
1462 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1464 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1465 generateHeader(fm, lb, md!=null ? md : task,output);
1466 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1468 if (GENERATEPRECISEGC) {
1469 if (md!=null&&(state.DSM||state.SINGLETM))
1470 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1471 else if (md!=null&&!(state.DSM||state.SINGLETM))
1472 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1474 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1476 output.print(objecttemp.numPointers()+",");
1477 output.print(paramsprefix);
1478 for(int j=0; j<objecttemp.numPointers(); j++)
1479 output.print(", NULL");
1480 output.println("};");
1483 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1484 TempDescriptor td=objecttemp.getPrimitive(i);
1485 TypeDescriptor type=td.getType();
1487 output.println(" void * "+td.getSafeSymbol()+";");
1488 else if (type.isClass()||type.isArray())
1489 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1491 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1494 /* Check to see if we need to do a GC if this is a
1495 * multi-threaded program...*/
1497 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1498 //Don't bother if we aren't in recursive methods...The loops case will catch it
1499 if (callgraph.getAllMethods(md).contains(md)) {
1500 if (state.DSM&&lb.isAtomic())
1501 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1503 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1507 generateCode(fm.getNext(0), fm, lb, null, output);
1509 output.println("}\n\n");
1512 private void generateSESEinvocationMethod(PrintWriter outmethodheader,
1513 PrintWriter outmethod
1516 outmethodheader.println("void invokeSESEmethod( int classID, struct SESErecord* invokee, struct SESErecord* parent );");
1517 outmethod.println( "void invokeSESEmethod( int classID, struct SESErecord* invokee, struct SESErecord* parent ) {");
1519 // use this info in the invocation cases to decide whether
1520 // to gather SESE variables from a parent SESE record, or
1521 // if parent is root, from noraml temps
1522 outmethod.println( " char parentIsRoot = (parent == NULL);");
1524 // generate a case for each SESE class that can be invoked
1525 outmethod.println( " switch( classID ) {");
1526 outmethod.println( " ");
1527 for(Iterator<FlatSESEEnterNode> seseit=mlpa.getAllSESEs().iterator();seseit.hasNext();) {
1528 FlatSESEEnterNode fsen = seseit.next();
1529 outmethod.println( " /* "+fsen.getPrettyIdentifier()+" */");
1530 outmethod.println( " case "+fsen.getIdentifier()+":");
1531 generateSESEinvocation(fsen, outmethod);
1532 outmethod.println( " break;");
1533 outmethod.println( "");
1536 // default case should never be taken, error out
1537 outmethod.println( " default:");
1538 outmethod.println( " printf(\"Error: unknown SESE class ID in invoke method.\\n\");");
1539 outmethod.println( " exit(-30);");
1540 outmethod.println( " break;");
1541 outmethod.println( " }");
1542 outmethod.println( "}\n\n");
1545 private void generateSESEinvocation(FlatSESEEnterNode fsen,
1549 FlatMethod fm = fsen.getEnclosingFlatMeth();
1550 MethodDescriptor md = fm.getMethod();
1551 ClassDescriptor cn = md.getClassDesc();
1553 FlatMethod bogusfm = sese2bogusFlatMeth.get(fsen);
1554 MethodDescriptor bogusmd = bogusfm.getMethod();
1555 ParamsObject objectparams = (ParamsObject)paramstable.get(bogusmd);
1557 // first copy SESE record into param structure
1558 output.println(" if( parentIsRoot ) {");
1559 output.println(" ");
1560 output.println(" ");
1561 output.println(" } else {");
1562 output.println(" ");
1563 output.println(" }");
1565 // then invoke the sese's method
1566 output.print(" "+cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"_"+bogusmd.getSafeMethodDescriptor());
1569 // why doesn't this work?
1570 //output.print("("+cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"_"+bogusmd.getSafeMethodDescriptor()+paramsprefix+")");
1572 // first argument is parameter structure
1573 output.print("(struct "+cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"__params*)");
1574 output.print("&(invokee->paramStruct)");
1576 // other arguments are primitive parameters
1577 for(int i=0; i<objectparams.numPrimitives(); i++) {
1578 TempDescriptor td=objectparams.getPrimitive(i);
1579 TypeDescriptor type=td.getType();
1580 assert type.isPrimitive();
1581 output.print(", invokee->vars["+i+"].sesetype_"+type.toString());
1584 output.println(");");
1587 private void generateFlatMethodSESE(FlatMethod fm,
1589 FlatSESEEnterNode seseEnter,
1590 FlatSESEExitNode seseExit,
1594 MethodDescriptor md=fm.getMethod();
1595 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
1596 generateHeader(fm, null, md, output);
1597 TempObject objecttemp=(TempObject) tempstable.get(md);
1600 if (GENERATEPRECISEGC) {
1601 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1602 output.print(objecttemp.numPointers()+",");
1603 output.print(paramsprefix);
1604 for(int j=0; j<objecttemp.numPointers(); j++)
1605 output.print(", NULL");
1606 output.println("};");
1609 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1610 TempDescriptor td=objecttemp.getPrimitive(i);
1611 TypeDescriptor type=td.getType();
1613 output.println(" void * "+td.getSafeSymbol()+";");
1614 else if (type.isClass()||type.isArray())
1615 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1617 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1621 // Check to see if we need to do a GC if this is a
1622 // multi-threaded program...
1623 if (GENERATEPRECISEGC) {
1624 //Don't bother if we aren't in recursive methods...The loops case will catch it
1625 if (callgraph.getAllMethods(md).contains(md)) {
1626 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1631 generateCode(seseEnter.getNext(0), fm, null, seseExit, output);
1634 output.println("}\n\n");
1637 protected void generateMethodSESE(FlatSESEEnterNode fsen,
1639 PrintWriter outputStructs,
1640 PrintWriter outputMethHead,
1641 PrintWriter outputMethods
1645 FlatMethod fm = fsen.getEnclosingFlatMeth();
1646 MethodDescriptor md = fm.getMethod();
1647 ClassDescriptor cn = md.getClassDesc();
1650 //Creates bogus method descriptor to index into tables
1651 Modifiers bogusmod=new Modifiers();
1652 MethodDescriptor bogusmd=new MethodDescriptor(bogusmod,
1653 new TypeDescriptor(TypeDescriptor.VOID),
1654 "sese_"+fsen.getPrettyIdentifier()+fsen.getIdentifier());
1655 bogusmd.setClassDesc(cn);
1656 FlatMethod bogusfm=new FlatMethod(bogusmd, null);
1657 sese2bogusFlatMeth.put(fsen, bogusfm);
1660 //Build paramsobj for bogus method descriptor
1661 ParamsObject objectparams=new ParamsObject(bogusmd, tag++);
1662 paramstable.put(bogusmd, objectparams);
1664 for(int i=0; i<fsen.numParameters(); i++) {
1665 TempDescriptor temp=fsen.getParameter(i);
1666 TypeDescriptor type=temp.getType();
1667 if (type.isPtr()&&GENERATEPRECISEGC) {
1668 objectparams.addPtr(temp);
1670 objectparams.addPrim(temp);
1675 //Build normal temp object for bogus method descriptor
1676 TempObject objecttemps=new TempObject(objectparams,bogusmd,tag++);
1677 tempstable.put(bogusmd, objecttemps);
1679 for(Iterator nodeit=fsen.getNodeSet().iterator(); nodeit.hasNext();) {
1680 FlatNode fn=(FlatNode)nodeit.next();
1681 TempDescriptor[] writes=fn.writesTemps();
1682 for(int i=0; i<writes.length; i++) {
1683 TempDescriptor temp=writes[i];
1684 TypeDescriptor type=temp.getType();
1685 if (type.isPtr()&&GENERATEPRECISEGC)
1686 objecttemps.addPtr(temp);
1688 objecttemps.addPrim(temp);
1693 //Generate code for parameters structure
1694 generateMethodParam(cn, bogusmd, null, outputStructs);
1696 //Generate code for locals structure
1697 outputStructs.println("struct "+cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"_"+bogusmd.getSafeMethodDescriptor()+"_locals {");
1698 outputStructs.println(" INTPTR size;");
1699 outputStructs.println(" void * next;");
1700 for(int i=0; i<objecttemps.numPointers(); i++) {
1701 TempDescriptor temp=objecttemps.getPointer(i);
1702 if (temp.getType().isNull())
1703 outputStructs.println(" void * "+temp.getSafeSymbol()+";");
1705 outputStructs.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1707 outputStructs.println("};\n");
1710 // write method declaration to header file
1711 outputMethHead.print("void ");
1712 outputMethHead.print(cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"_"+bogusmd.getSafeMethodDescriptor()+"(");
1713 boolean printcomma=false;
1714 if (GENERATEPRECISEGC) {
1715 outputMethHead.print("struct "+cn.getSafeSymbol()+
1716 bogusmd.getSafeSymbol()+"_"+
1717 bogusmd.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1720 // Output parameter list
1721 for(int i=0; i<objectparams.numPrimitives(); i++) {
1722 TempDescriptor temp=objectparams.getPrimitive(i);
1724 outputMethHead.print(", ");
1726 if (temp.getType().isClass()||temp.getType().isArray())
1727 outputMethHead.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1729 outputMethHead.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1731 outputMethHead.println(");\n");
1734 generateFlatMethodSESE(bogusfm, cn, fsen, fsen.getFlatExit(), outputMethods);
1738 protected void generateCode(FlatNode first,
1741 FlatSESEExitNode stop,
1742 PrintWriter output) {
1744 /* Assign labels to FlatNode's if necessary.*/
1745 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(first, stop);
1747 /* Do the actual code generation */
1748 FlatNode current_node=null;
1749 HashSet tovisit=new HashSet();
1750 HashSet visited=new HashSet();
1752 while(current_node!=null||!tovisit.isEmpty()) {
1753 if (current_node==null) {
1754 current_node=(FlatNode)tovisit.iterator().next();
1755 tovisit.remove(current_node);
1756 } else if (tovisit.contains(current_node)) {
1757 tovisit.remove(current_node);
1759 visited.add(current_node);
1760 if (nodetolabel.containsKey(current_node)) {
1761 output.println("L"+nodetolabel.get(current_node)+":");
1763 if (state.INSTRUCTIONFAILURE) {
1764 if (state.THREAD||state.DSM||state.SINGLETM) {
1765 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1767 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1769 if (current_node.numNext()==0||current_node==stop) {
1771 generateFlatNode(fm, lb, current_node, output);
1772 if (current_node.kind()!=FKind.FlatReturnNode) {
1773 output.println(" return;");
1776 } else if(current_node.numNext()==1) {
1778 if (state.MLP && current_node.kind()==FKind.FlatSESEEnterNode) {
1779 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
1780 nextnode=fsen.getFlatExit().getNext(0);
1783 generateFlatNode(fm, lb, current_node, output);
1784 nextnode=current_node.getNext(0);
1786 if (visited.contains(nextnode)) {
1787 output.println("goto L"+nodetolabel.get(nextnode)+";");
1790 current_node=nextnode;
1791 } else if (current_node.numNext()==2) {
1794 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1795 if (!visited.contains(current_node.getNext(1)))
1796 tovisit.add(current_node.getNext(1));
1797 if (visited.contains(current_node.getNext(0))) {
1798 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1801 current_node=current_node.getNext(0);
1802 } else throw new Error();
1807 /** This method assigns labels to FlatNodes */
1808 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first) {
1809 return assignLabels(first, null);
1811 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, FlatSESEExitNode last) {
1812 HashSet tovisit=new HashSet();
1813 HashSet visited=new HashSet();
1815 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1818 /*Assign labels first. A node needs a label if the previous
1819 * node has two exits or this node is a join point. */
1821 while(!tovisit.isEmpty()) {
1822 FlatNode fn=(FlatNode)tovisit.iterator().next();
1827 if( fn.equals(last) ) {
1828 // if last is not null and matches, don't go
1829 // any further for assigning labels
1833 for(int i=0; i<fn.numNext(); i++) {
1834 FlatNode nn=fn.getNext(i);
1837 //1) Edge >1 of node
1838 nodetolabel.put(nn,new Integer(labelindex++));
1840 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1844 nodetolabel.put(nn,new Integer(labelindex++));
1852 /** Generate text string that corresponds to the TempDescriptor td. */
1853 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1854 MethodDescriptor md=fm.getMethod();
1855 TaskDescriptor task=fm.getTask();
1856 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1858 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1859 //System.out.println("generateTemp returns " + td.getSafeSymbol());
1860 return td.getSafeSymbol();
1863 if (objecttemps.isLocalPtr(td)) {
1864 return localsprefix+"."+td.getSafeSymbol();
1867 if (objecttemps.isParamPtr(td)) {
1868 return paramsprefix+"->"+td.getSafeSymbol();
1874 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1876 case FKind.FlatAtomicEnterNode:
1877 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1880 case FKind.FlatAtomicExitNode:
1881 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1884 case FKind.FlatInstanceOfNode:
1885 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
1888 case FKind.FlatSESEEnterNode:
1891 case FKind.FlatSESEExitNode:
1894 case FKind.FlatGlobalConvNode:
1895 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1898 case FKind.FlatTagDeclaration:
1899 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1902 case FKind.FlatCall:
1903 generateFlatCall(fm, lb, (FlatCall) fn,output);
1906 case FKind.FlatFieldNode:
1907 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1910 case FKind.FlatElementNode:
1911 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1914 case FKind.FlatSetElementNode:
1915 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1918 case FKind.FlatSetFieldNode:
1919 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1923 generateFlatNew(fm, lb, (FlatNew) fn,output);
1926 case FKind.FlatOpNode:
1927 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1930 case FKind.FlatCastNode:
1931 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1934 case FKind.FlatLiteralNode:
1935 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1938 case FKind.FlatReturnNode:
1939 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1943 output.println("/* nop */");
1946 case FKind.FlatExit:
1947 output.println("/* exit */");
1950 case FKind.FlatBackEdge:
1951 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1952 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1953 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1955 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1957 output.println("/* nop */");
1960 case FKind.FlatCheckNode:
1961 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1964 case FKind.FlatFlagActionNode:
1965 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1968 case FKind.FlatPrefetchNode:
1969 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1972 case FKind.FlatOffsetNode:
1973 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
1979 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
1980 output.println("/* FlatOffsetNode */");
1981 FieldDescriptor fd=fofn.getField();
1982 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+");");
1983 output.println("/* offset */");
1986 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1987 if (state.PREFETCH) {
1988 Vector oids = new Vector();
1989 Vector fieldoffset = new Vector();
1990 Vector endoffset = new Vector();
1991 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1992 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
1993 PrefetchPair pp = (PrefetchPair) it.next();
1994 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1995 /* Find prefetches that can generate oid */
1996 if(statusbase == LocalityAnalysis.GLOBAL) {
1997 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1999 } else if (statusbase == LocalityAnalysis.LOCAL) {
2000 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
2007 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
2008 output.println("{");
2009 output.println("/* prefetch */");
2010 output.println("/* prefetchid_" + fpn.siteid + " */");
2011 output.println("void * prefptr;");
2012 output.println("int tmpindex;");
2014 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
2015 /*Create C code for oid array */
2016 output.print(" unsigned int oidarray_[] = {");
2017 boolean needcomma=false;
2018 for (Iterator it = oids.iterator(); it.hasNext();) {
2021 output.print(it.next());
2024 output.println("};");
2026 /*Create C code for endoffset values */
2027 output.print(" unsigned short endoffsetarry_[] = {");
2029 for (Iterator it = endoffset.iterator(); it.hasNext();) {
2032 output.print(it.next());
2035 output.println("};");
2037 /*Create C code for Field Offset Values */
2038 output.print(" short fieldarry_[] = {");
2040 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
2043 output.print(it.next());
2046 output.println("};");
2047 /* make the prefetch call to Runtime */
2048 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
2049 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
2050 output.println(" }");
2051 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
2052 output.println(" } else {");
2053 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
2054 output.println(" }");
2055 output.println("}");
2059 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
2060 short offsetcount = 0;
2064 } else if (localbase) {
2065 for(; breakindex<pp.desc.size(); breakindex++) {
2066 Descriptor desc=pp.getDescAt(breakindex);
2067 if (desc instanceof FieldDescriptor) {
2068 FieldDescriptor fd=(FieldDescriptor)desc;
2069 if (fd.isGlobal()) {
2077 if (breakindex>pp.desc.size()) //all local
2080 TypeDescriptor lasttype=pp.base.getType();
2081 String basestr=generateTemp(fm, pp.base, lb);
2083 boolean maybenull=fm.getMethod().isStatic()||
2084 !pp.base.equals(fm.getParameter(0));
2086 for(int i=0; i<breakindex; i++) {
2087 String indexcheck="";
2089 Descriptor desc=pp.getDescAt(i);
2090 if (desc instanceof FieldDescriptor) {
2091 FieldDescriptor fd=(FieldDescriptor)desc;
2093 if (!teststr.equals(""))
2095 teststr+="((prefptr="+basestr+")!=NULL)";
2096 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
2098 basestr=basestr+"->"+fd.getSafeSymbol();
2101 lasttype=fd.getType();
2103 IndexDescriptor id=(IndexDescriptor)desc;
2104 indexcheck="((tmpindex=";
2105 for(int j=0; j<id.tddesc.size(); j++) {
2106 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
2108 indexcheck+=id.offset+")>=0)&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
2110 if (!teststr.equals(""))
2112 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
2113 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
2115 lasttype=lasttype.dereference();
2120 if (teststr.equals("")) {
2121 oid="((unsigned int)"+basestr+")";
2123 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
2127 for(int i = breakindex; i < pp.desc.size(); i++) {
2128 String newfieldoffset;
2129 Object desc = pp.getDescAt(i);
2130 if(desc instanceof FieldDescriptor) {
2131 FieldDescriptor fd=(FieldDescriptor)desc;
2132 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
2133 lasttype=fd.getType();
2135 newfieldoffset = "";
2136 IndexDescriptor id=(IndexDescriptor)desc;
2137 for(int j = 0; j < id.tddesc.size(); j++) {
2138 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
2140 newfieldoffset += id.offset.toString();
2141 lasttype=lasttype.dereference();
2143 fieldoffset.add(newfieldoffset);
2146 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
2147 base+=pp.desc.size()-breakindex;
2148 endoffset.add(new Short((short)base));
2153 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
2154 if (lb!=fgcn.getLocality())
2156 /* Have to generate flat globalconv */
2157 if (fgcn.getMakePtr()) {
2159 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
2161 if ((dc==null)||dc.getNeedTrans(lb, fgcn)) {
2162 //need to do translation
2163 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+", (void *)&("+localsprefix+"));");
2167 /* Need to convert to OID */
2168 if (fgcn.doConvert()) {
2169 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
2171 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
2176 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
2178 if (fion.getType().isArray()) {
2179 type=state.getArrayNumber(fion.getType())+state.numClasses();
2181 type=fion.getType().getClassDesc().getId();
2184 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2185 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
2187 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
2190 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
2191 /* Check to see if we need to generate code for this atomic */
2192 if (locality==null) {
2193 output.println("pthread_mutex_lock(&atomiclock);");
2197 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
2199 /* Backup the temps. */
2200 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2201 TempDescriptor tmp=tmpit.next();
2202 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
2205 output.println("goto transstart"+faen.getIdentifier()+";");
2207 /******* Print code to retry aborted transaction *******/
2208 output.println("transretry"+faen.getIdentifier()+":");
2211 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2212 TempDescriptor tmp=tmpit.next();
2213 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
2217 /********* Need to revert local object store ********/
2218 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2220 output.println("while ("+revertptr+") {");
2221 output.println("struct ___Object___ * tmpptr;");
2222 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2223 output.println("REVERT_OBJ("+revertptr+");");
2224 output.println(revertptr+"=tmpptr;");
2225 output.println("}");
2227 /******* Tell the runtime to start the transaction *******/
2229 output.println("transstart"+faen.getIdentifier()+":");
2230 output.println("transStart();");
2232 if (state.ABORTREADERS) {
2233 output.println("if (_setjmp(aborttrans)) {");
2234 output.println(" goto transretry"+faen.getIdentifier()+"; }");
2238 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
2239 /* Check to see if we need to generate code for this atomic */
2240 if (locality==null) {
2241 output.println("pthread_mutex_unlock(&atomiclock);");
2244 if (locality.getAtomic(lb).get(faen).intValue()>0)
2246 //store the revert list before we lose the transaction object
2247 String revertptr=null;
2249 revertptr=generateTemp(fm, reverttable.get(lb),lb);
2250 output.println(revertptr+"=revertlist;");
2252 output.println("if (transCommit()) {");
2253 /* Transaction aborts if it returns true */
2254 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2256 output.println("} else {");
2257 /* Need to commit local object store */
2258 output.println("while ("+revertptr+") {");
2259 output.println("struct ___Object___ * tmpptr;");
2260 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2261 output.println("COMMIT_OBJ("+revertptr+");");
2262 output.println(revertptr+"=tmpptr;");
2263 output.println("}");
2265 output.println("}");
2268 public void generateFlatSESEEnterNode(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
2271 public void generateFlatSESEExitNode(FlatMethod fm, LocalityBinding lb, FlatSESEExitNode faen, PrintWriter output) {
2274 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
2275 if (state.CONSCHECK) {
2276 String specname=fcn.getSpec();
2277 String varname="repairstate___";
2278 output.println("{");
2279 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2281 TempDescriptor[] temps=fcn.getTemps();
2282 String[] vars=fcn.getVars();
2283 for(int i=0; i<temps.length; i++) {
2284 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
2287 output.println("if (doanalysis"+specname+"("+varname+")) {");
2288 output.println("free"+specname+"_state("+varname+");");
2289 output.println("} else {");
2290 output.println("/* Bad invariant */");
2291 output.println("free"+specname+"_state("+varname+");");
2292 output.println("abort_task();");
2293 output.println("}");
2294 output.println("}");
2298 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
2299 MethodDescriptor md=fc.getMethod();
2300 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM||state.SINGLETM ? locality.getBinding(lb, fc) : md);
2301 ClassDescriptor cn=md.getClassDesc();
2302 output.println("{");
2303 if (GENERATEPRECISEGC) {
2304 if (state.DSM||state.SINGLETM) {
2305 LocalityBinding fclb=locality.getBinding(lb, fc);
2306 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2308 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2310 output.print(objectparams.numPointers());
2311 output.print(", & "+localsprefix);
2312 if (md.getThis()!=null) {
2314 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
2316 if (fc.getThis()!=null&&md.getThis()==null) {
2317 System.out.println("WARNING!!!!!!!!!!!!");
2318 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2322 for(int i=0; i<fc.numArgs(); i++) {
2323 Descriptor var=md.getParameter(i);
2324 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2325 if (objectparams.isParamPtr(paramtemp)) {
2326 TempDescriptor targ=fc.getArg(i);
2328 TypeDescriptor td=md.getParamType(i);
2330 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2332 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2335 output.println("};");
2340 if (fc.getReturnTemp()!=null)
2341 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
2343 /* Do we need to do virtual dispatch? */
2344 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
2346 if (state.DSM||state.SINGLETM) {
2347 LocalityBinding fclb=locality.getBinding(lb, fc);
2348 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2350 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2355 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2356 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2358 output.print(md.getReturnType().getSafeSymbol()+" ");
2359 output.print("(*)(");
2361 boolean printcomma=false;
2362 if (GENERATEPRECISEGC) {
2363 if (state.DSM||state.SINGLETM) {
2364 LocalityBinding fclb=locality.getBinding(lb, fc);
2365 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2367 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2371 for(int i=0; i<objectparams.numPrimitives(); i++) {
2372 TempDescriptor temp=objectparams.getPrimitive(i);
2376 if (temp.getType().isClass()||temp.getType().isArray())
2377 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2379 output.print(temp.getType().getSafeSymbol());
2383 if (state.DSM||state.SINGLETM) {
2384 LocalityBinding fclb=locality.getBinding(lb, fc);
2385 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
2387 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2391 boolean needcomma=false;
2392 if (GENERATEPRECISEGC) {
2393 output.print("&__parameterlist__");
2397 if (!GENERATEPRECISEGC) {
2398 if (fc.getThis()!=null) {
2399 TypeDescriptor ptd=md.getThis().getType();
2402 if (ptd.isClass()&&!ptd.isArray())
2403 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2404 output.print(generateTemp(fm,fc.getThis(),lb));
2409 for(int i=0; i<fc.numArgs(); i++) {
2410 Descriptor var=md.getParameter(i);
2411 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2412 if (objectparams.isParamPrim(paramtemp)) {
2413 TempDescriptor targ=fc.getArg(i);
2417 TypeDescriptor ptd=md.getParamType(i);
2418 if (ptd.isClass()&&!ptd.isArray())
2419 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2420 output.print(generateTemp(fm, targ,lb));
2424 output.println(");");
2425 output.println(" }");
2428 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2429 Set subclasses=typeutil.getSubClasses(thiscd);
2430 if (subclasses==null)
2432 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
2433 ClassDescriptor cd=(ClassDescriptor)classit.next();
2434 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
2435 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
2436 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2437 if (md.matches(matchmd))
2444 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
2445 if (state.SINGLETM) {
2446 //single machine transactional memory case
2447 String field=ffn.getField().getSafeSymbol();
2448 String src=generateTemp(fm, ffn.getSrc(),lb);
2449 String dst=generateTemp(fm, ffn.getDst(),lb);
2451 output.println(dst+"="+ src +"->"+field+ ";");
2452 if (ffn.getField().getType().isPtr()&&locality.getAtomic(lb).get(ffn).intValue()>0&&
2453 ((dc==null)||dc.getNeedTrans(lb, ffn))&&
2454 locality.getNodePreTempInfo(lb, ffn).get(ffn.getSrc())!=LocalityAnalysis.SCRATCH) {
2455 output.println("TRANSREAD("+dst+", "+dst+", (void *) &(" + localsprefix + "));");
2457 } else if (state.DSM) {
2458 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
2459 if (status==LocalityAnalysis.GLOBAL) {
2460 String field=ffn.getField().getSafeSymbol();
2461 String src=generateTemp(fm, ffn.getSrc(),lb);
2462 String dst=generateTemp(fm, ffn.getDst(),lb);
2464 if (ffn.getField().getType().isPtr()) {
2466 //TODO: Uncomment this when we have runtime support
2467 //if (ffn.getSrc()==ffn.getDst()) {
2468 //output.println("{");
2469 //output.println("void * temp="+src+";");
2470 //output.println("if (temp&0x1) {");
2471 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
2472 //output.println(src+"->"+field+"="+temp+";");
2473 //output.println("}");
2474 //output.println(dst+"=temp;");
2475 //output.println("}");
2477 output.println(dst+"="+ src +"->"+field+ ";");
2478 //output.println("if ("+dst+"&0x1) {");
2479 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2480 //output.println(src+"->"+field+"="+src+"->"+field+";");
2481 //output.println("}");
2484 output.println(dst+"="+ src+"->"+field+";");
2486 } else if (status==LocalityAnalysis.LOCAL) {
2487 if (ffn.getField().getType().isPtr()&&
2488 ffn.getField().isGlobal()) {
2489 String field=ffn.getField().getSafeSymbol();
2490 String src=generateTemp(fm, ffn.getSrc(),lb);
2491 String dst=generateTemp(fm, ffn.getDst(),lb);
2492 output.println(dst+"="+ src +"->"+field+ ";");
2493 if (locality.getAtomic(lb).get(ffn).intValue()>0)
2494 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2496 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2497 } else if (status==LocalityAnalysis.EITHER) {
2498 //Code is reading from a null pointer
2499 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
2500 output.println("#ifndef RAW");
2501 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2502 output.println("#endif");
2503 //This should throw a suitable null pointer error
2504 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2506 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2508 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2512 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
2513 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2514 throw new Error("Can't set array length");
2515 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2516 //Single Machine Transaction Case
2517 boolean srcptr=fsfn.getSrc().getType().isPtr();
2518 String src=generateTemp(fm,fsfn.getSrc(),lb);
2519 String dst=generateTemp(fm,fsfn.getDst(),lb);
2520 if (srcptr&&!fsfn.getSrc().getType().isNull()) {
2521 output.println("{");
2522 if ((dc==null)||dc.getNeedSrcTrans(lb, fsfn)&&
2523 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getSrc())!=LocalityAnalysis.SCRATCH) {
2524 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2526 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2529 if (wb.needBarrier(fsfn)&&
2530 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getDst())!=LocalityAnalysis.SCRATCH) {
2531 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
2533 if (srcptr&!fsfn.getSrc().getType().isNull()) {
2534 output.println("*((unsigned INTPTR *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2535 output.println("}");
2537 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2539 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2540 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
2541 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
2542 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2544 String src=generateTemp(fm,fsfn.getSrc(),lb);
2545 String dst=generateTemp(fm,fsfn.getDst(),lb);
2547 output.println("{");
2548 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2550 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2553 if (wb.needBarrier(fsfn))
2554 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2556 output.println("*((unsigned INTPTR *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2558 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2559 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2560 /** Check if we need to copy */
2561 output.println("if(!"+dst+"->"+localcopystr+") {");
2562 /* Link object into list */
2563 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2564 output.println(revertptr+"=revertlist;");
2565 if (GENERATEPRECISEGC)
2566 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2568 output.println("COPY_OBJ("+dst+");");
2569 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2570 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2571 output.println("}");
2573 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2575 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2576 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2577 //writing to a null...bad
2578 output.println("if ("+dst+") {");
2579 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2581 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2583 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2586 output.println("}");
2589 if (state.FASTCHECK) {
2590 String dst=generateTemp(fm, fsfn.getDst(),lb);
2591 output.println("if(!"+dst+"->"+localcopystr+") {");
2592 /* Link object into list */
2593 if (GENERATEPRECISEGC)
2594 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2596 output.println("COPY_OBJ("+dst+");");
2597 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2598 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2599 output.println("}");
2601 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2605 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2606 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2609 if (elementtype.isArray()||elementtype.isClass())
2612 type=elementtype.getSafeSymbol()+" ";
2614 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2615 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 | "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2616 output.println("failedboundschk();");
2618 if (state.SINGLETM) {
2619 //Single machine transaction case
2620 String dst=generateTemp(fm, fen.getDst(),lb);
2621 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2623 if (elementtype.isPtr()&&locality.getAtomic(lb).get(fen).intValue()>0&&
2624 ((dc==null)||dc.getNeedTrans(lb, fen))&&
2625 locality.getNodePreTempInfo(lb, fen).get(fen.getSrc())!=LocalityAnalysis.SCRATCH) {
2626 output.println("TRANSREAD("+dst+", "+dst+", (void *)&(" + localsprefix+"));");
2628 } else if (state.DSM) {
2629 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2630 if (status==LocalityAnalysis.GLOBAL) {
2631 String dst=generateTemp(fm, fen.getDst(),lb);
2633 if (elementtype.isPtr()) {
2634 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2635 output.println("TRANSREAD("+dst+", "+dst+");");
2637 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2639 } else if (status==LocalityAnalysis.LOCAL) {
2640 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2641 } else if (status==LocalityAnalysis.EITHER) {
2642 //Code is reading from a null pointer
2643 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2644 output.println("#ifndef RAW");
2645 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2646 output.println("#endif");
2647 //This should throw a suitable null pointer error
2648 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2650 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2652 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2656 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2657 //TODO: need dynamic check to make sure this assignment is actually legal
2658 //Because Object[] could actually be something more specific...ie. Integer[]
2660 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2663 if (elementtype.isArray()||elementtype.isClass())
2666 type=elementtype.getSafeSymbol()+" ";
2668 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2669 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 | "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2670 output.println("failedboundschk();");
2673 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2674 //Transaction set element case
2675 if (wb.needBarrier(fsen)&&
2676 locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH) {
2677 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
2679 if (fsen.getSrc().getType().isPtr()&&!fsen.getSrc().getType().isNull()) {
2680 output.println("{");
2681 String src=generateTemp(fm, fsen.getSrc(), lb);
2682 if ((dc==null)||dc.getNeedSrcTrans(lb, fsen)&&
2683 locality.getNodePreTempInfo(lb, fsen).get(fsen.getSrc())!=LocalityAnalysis.SCRATCH) {
2684 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2686 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2688 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2689 output.println("}");
2691 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2693 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2694 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2695 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2696 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2697 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2698 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2701 if (wb.needBarrier(fsen))
2702 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2703 } else if (dstlocal) {
2704 /** Check if we need to copy */
2705 String dst=generateTemp(fm, fsen.getDst(),lb);
2706 output.println("if(!"+dst+"->"+localcopystr+") {");
2707 /* Link object into list */
2708 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2709 output.println(revertptr+"=revertlist;");
2710 if (GENERATEPRECISEGC)
2711 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2713 output.println("COPY_OBJ("+dst+");");
2714 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2715 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2716 output.println("}");
2717 } else throw new Error("Unknown array type");
2719 output.println("{");
2720 String src=generateTemp(fm, fsen.getSrc(), lb);
2721 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2722 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2723 output.println("}");
2725 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2728 if (state.FASTCHECK) {
2729 String dst=generateTemp(fm, fsen.getDst(),lb);
2730 output.println("if(!"+dst+"->"+localcopystr+") {");
2731 /* Link object into list */
2732 if (GENERATEPRECISEGC)
2733 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2735 output.println("COPY_OBJ("+dst+");");
2736 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2737 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2738 output.println("}");
2740 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2744 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2745 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2746 //Stash pointer in case of GC
2747 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2748 output.println(revertptr+"=revertlist;");
2750 if (state.SINGLETM) {
2751 if (fn.getType().isArray()) {
2752 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2753 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2754 //inside transaction
2755 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2757 //outside transaction
2758 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2761 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2762 //inside transaction
2763 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2765 //outside transaction
2766 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2769 } else if (fn.getType().isArray()) {
2770 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2771 if (fn.isGlobal()&&(state.DSM||state.SINGLETM)) {
2772 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2773 } else if (GENERATEPRECISEGC) {
2774 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2776 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2779 if (fn.isGlobal()) {
2780 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
2781 } else if (GENERATEPRECISEGC) {
2782 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2784 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2787 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2788 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2789 String dst=generateTemp(fm,fn.getDst(),lb);
2790 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2791 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2792 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2794 if (state.FASTCHECK) {
2795 String dst=generateTemp(fm,fn.getDst(),lb);
2796 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2797 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2798 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2802 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2803 if (GENERATEPRECISEGC) {
2804 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2806 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2810 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2811 if (fon.getRight()!=null) {
2812 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2813 if (fon.getLeft().getType().isLong())
2814 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2816 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2819 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2820 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2821 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2822 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2823 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2824 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2825 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2826 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2827 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2828 else if (fon.getOp().getOp()==Operation.COMP)
2829 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2830 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2831 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2833 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2836 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2837 /* TODO: Do type check here */
2838 if (fcn.getType().isArray()) {
2840 } else if (fcn.getType().isClass())
2841 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2843 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2846 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2847 if (fln.getValue()==null)
2848 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2849 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2850 if (GENERATEPRECISEGC) {
2851 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2852 //Stash pointer in case of GC
2853 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2854 output.println(revertptr+"=revertlist;");
2856 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2857 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2858 //Stash pointer in case of GC
2859 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2860 output.println("revertlist="+revertptr+";");
2863 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2865 } else if (fln.getType().isBoolean()) {
2866 if (((Boolean)fln.getValue()).booleanValue())
2867 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2869 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2870 } else if (fln.getType().isChar()) {
2871 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2872 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2873 } else if (fln.getType().isLong()) {
2874 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2876 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2879 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2880 if (frn.getReturnTemp()!=null) {
2881 if (frn.getReturnTemp().getType().isPtr())
2882 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2884 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2886 output.println("return;");
2890 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2891 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2894 /** This method generates header information for the method or
2895 * task referenced by the Descriptor des. */
2897 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2899 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2900 MethodDescriptor md=null;
2901 TaskDescriptor task=null;
2902 if (des instanceof MethodDescriptor)
2903 md=(MethodDescriptor) des;
2905 task=(TaskDescriptor) des;
2907 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2909 if (md!=null&&md.getReturnType()!=null) {
2910 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2911 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2913 output.print(md.getReturnType().getSafeSymbol()+" ");
2915 //catch the constructor case
2916 output.print("void ");
2918 if (state.DSM||state.SINGLETM) {
2919 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2921 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2923 output.print(task.getSafeSymbol()+"(");
2925 boolean printcomma=false;
2926 if (GENERATEPRECISEGC) {
2928 if (state.DSM||state.SINGLETM) {
2929 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2931 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2933 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2939 for(int i=0; i<objectparams.numPrimitives(); i++) {
2940 TempDescriptor temp=objectparams.getPrimitive(i);
2944 if (temp.getType().isClass()||temp.getType().isArray())
2945 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2947 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2949 output.println(") {");
2950 } else if (!GENERATEPRECISEGC) {
2951 /* Imprecise Task */
2952 output.println("void * parameterarray[]) {");
2953 /* Unpack variables */
2954 for(int i=0; i<objectparams.numPrimitives(); i++) {
2955 TempDescriptor temp=objectparams.getPrimitive(i);
2956 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2958 for(int i=0; i<fm.numTags(); i++) {
2959 TempDescriptor temp=fm.getTag(i);
2960 int offset=i+objectparams.numPrimitives();
2961 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2964 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2965 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2966 } else output.println(") {");
2969 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2970 output.println("/* FlatFlagActionNode */");
2973 /* Process tag changes */
2974 Relation tagsettable=new Relation();
2975 Relation tagcleartable=new Relation();
2977 Iterator tagsit=ffan.getTempTagPairs();
2978 while (tagsit.hasNext()) {
2979 TempTagPair ttp=(TempTagPair) tagsit.next();
2980 TempDescriptor objtmp=ttp.getTemp();
2981 TagDescriptor tag=ttp.getTag();
2982 TempDescriptor tagtmp=ttp.getTagTemp();
2983 boolean tagstatus=ffan.getTagChange(ttp);
2985 tagsettable.put(objtmp, tagtmp);
2987 tagcleartable.put(objtmp, tagtmp);
2992 Hashtable flagandtable=new Hashtable();
2993 Hashtable flagortable=new Hashtable();
2995 /* Process flag changes */
2996 Iterator flagsit=ffan.getTempFlagPairs();
2997 while(flagsit.hasNext()) {
2998 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2999 TempDescriptor temp=tfp.getTemp();
3000 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3001 FlagDescriptor flag=tfp.getFlag();
3003 //Newly allocate objects that don't set any flags case
3004 if (flagortable.containsKey(temp)) {
3008 flagortable.put(temp,new Integer(mask));
3010 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3011 boolean flagstatus=ffan.getFlagChange(tfp);
3014 if (flagortable.containsKey(temp)) {
3015 mask=((Integer)flagortable.get(temp)).intValue();
3018 flagortable.put(temp,new Integer(mask));
3020 int mask=0xFFFFFFFF;
3021 if (flagandtable.containsKey(temp)) {
3022 mask=((Integer)flagandtable.get(temp)).intValue();
3024 mask&=(0xFFFFFFFF^flagid);
3025 flagandtable.put(temp,new Integer(mask));
3031 HashSet flagtagset=new HashSet();
3032 flagtagset.addAll(flagortable.keySet());
3033 flagtagset.addAll(flagandtable.keySet());
3034 flagtagset.addAll(tagsettable.keySet());
3035 flagtagset.addAll(tagcleartable.keySet());
3037 Iterator ftit=flagtagset.iterator();
3038 while(ftit.hasNext()) {
3039 TempDescriptor temp=(TempDescriptor)ftit.next();
3042 Set tagtmps=tagcleartable.get(temp);
3043 if (tagtmps!=null) {
3044 Iterator tagit=tagtmps.iterator();
3045 while(tagit.hasNext()) {
3046 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3047 if (GENERATEPRECISEGC)
3048 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
3050 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
3054 tagtmps=tagsettable.get(temp);
3055 if (tagtmps!=null) {
3056 Iterator tagit=tagtmps.iterator();
3057 while(tagit.hasNext()) {
3058 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3059 if (GENERATEPRECISEGC)
3060 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
3062 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
3067 int andmask=0xFFFFFFF;
3069 if (flagortable.containsKey(temp))
3070 ormask=((Integer)flagortable.get(temp)).intValue();
3071 if (flagandtable.containsKey(temp))
3072 andmask=((Integer)flagandtable.get(temp)).intValue();
3073 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
3074 generateObjectDistribute(ffan, fm, lb, temp, output);
3078 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
3079 PrintWriter output, int ormask, int andmask) {
3080 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3081 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3083 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3087 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
3088 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
3091 void generateOptionalHeader(PrintWriter headers) {
3094 headers.println("#include \"task.h\"\n\n");
3095 headers.println("#ifndef _OPTIONAL_STRUCT_");
3096 headers.println("#define _OPTIONAL_STRUCT_");
3098 //STRUCT PREDICATEMEMBER
3099 headers.println("struct predicatemember{");
3100 headers.println("int type;");
3101 headers.println("int numdnfterms;");
3102 headers.println("int * flags;");
3103 headers.println("int numtags;");
3104 headers.println("int * tags;\n};\n\n");
3106 //STRUCT OPTIONALTASKDESCRIPTOR
3107 headers.println("struct optionaltaskdescriptor{");
3108 headers.println("struct taskdescriptor * task;");
3109 headers.println("int index;");
3110 headers.println("int numenterflags;");
3111 headers.println("int * enterflags;");
3112 headers.println("int numpredicatemembers;");
3113 headers.println("struct predicatemember ** predicatememberarray;");
3114 headers.println("};\n\n");
3116 //STRUCT TASKFAILURE
3117 headers.println("struct taskfailure {");
3118 headers.println("struct taskdescriptor * task;");
3119 headers.println("int index;");
3120 headers.println("int numoptionaltaskdescriptors;");
3121 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3123 //STRUCT FSANALYSISWRAPPER
3124 headers.println("struct fsanalysiswrapper{");
3125 headers.println("int flags;");
3126 headers.println("int numtags;");
3127 headers.println("int * tags;");
3128 headers.println("int numtaskfailures;");
3129 headers.println("struct taskfailure ** taskfailurearray;");
3130 headers.println("int numoptionaltaskdescriptors;");
3131 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3133 //STRUCT CLASSANALYSISWRAPPER
3134 headers.println("struct classanalysiswrapper{");
3135 headers.println("int type;");
3136 headers.println("int numotd;");
3137 headers.println("struct optionaltaskdescriptor ** otdarray;");
3138 headers.println("int numfsanalysiswrappers;");
3139 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3141 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3143 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3144 while(taskit.hasNext()) {
3145 TaskDescriptor td=(TaskDescriptor)taskit.next();
3146 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3151 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3152 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3153 int predicateindex = 0;
3154 //iterate through the classes concerned by the predicate
3155 Set c_vard = predicate.vardescriptors;
3156 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3159 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
3160 VarDescriptor vard = (VarDescriptor)vard_it.next();
3161 TypeDescriptor typed = vard.getType();
3163 //generate for flags
3164 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3165 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3167 if (fen_hashset!=null) {
3168 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
3169 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3171 DNFFlag dflag=fen.getDNF();
3172 numberterms+=dflag.size();
3174 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3176 for(int j=0; j<dflag.size(); j++) {
3178 output.println(",");
3179 Vector term=dflag.get(j);
3182 for(int k=0; k<term.size(); k++) {
3183 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3184 FlagDescriptor fd=dfa.getFlag();
3185 boolean negated=dfa.getNegated();
3186 int flagid=1<<((Integer)flags.get(fd)).intValue();
3191 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3196 output.println("};\n");
3199 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3200 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3203 for(int j=0; j<tagel.numTags(); j++) {
3205 output.println(",");
3206 TempDescriptor tmp=tagel.getTemp(j);
3207 if (!slotnumber.containsKey(tmp)) {
3208 Integer slotint=new Integer(current_slot++);
3209 slotnumber.put(tmp,slotint);
3211 int slot=slotnumber.get(tmp).intValue();
3212 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3214 numtags = tagel.numTags();
3216 output.println("};");
3218 //store the result into a predicatemember struct
3219 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3220 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3221 output.println("/* number of dnf terms */"+numberterms+",");
3222 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3223 output.println("/* number of tag */"+numtags+",");
3224 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3225 output.println("};\n");
3230 //generate an array that stores the entire predicate
3231 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3232 for( int j = 0; j<predicateindex; j++) {
3233 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3234 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3236 output.println("};\n");
3237 return predicateindex;
3241 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3242 generateOptionalHeader(headers);
3244 output.println("#include \"optionalstruct.h\"\n\n");
3245 output.println("#include \"stdlib.h\"\n");
3247 HashSet processedcd = new HashSet();
3249 Enumeration e = safeexecution.keys();
3250 while (e.hasMoreElements()) {
3253 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3254 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3256 //Generate the struct of optionals
3257 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3258 numotd = c_otd.size();
3259 if(maxotd<numotd) maxotd = numotd;
3260 if( !c_otd.isEmpty() ) {
3261 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3262 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3264 //generate the int arrays for the predicate
3265 Predicate predicate = otd.predicate;
3266 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3267 TreeSet<Integer> fsset=new TreeSet<Integer>();
3268 //iterate through possible FSes corresponding to
3269 //the state when entering
3271 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
3272 FlagState fs = (FlagState)fses.next();
3274 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3275 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3276 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3279 fsset.add(new Integer(flagid));
3280 //tag information not needed because tag
3281 //changes are not tolerated.
3284 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3285 boolean needcomma=false;
3286 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
3289 output.println(it.next());
3292 output.println("};\n");
3295 //generate optionaltaskdescriptor that actually
3296 //includes exit fses, predicate and the task
3298 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3299 output.println("&task_"+otd.td.getSafeSymbol()+",");
3300 output.println("/*index*/"+otd.getIndex()+",");
3301 output.println("/*number of enter flags*/"+fsset.size()+",");
3302 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3303 output.println("/*number of members */"+predicateindex+",");
3304 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3305 output.println("};\n");
3309 // if there are no optionals, there is no need to build the rest of the struct
3311 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3312 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3313 if( !c_otd.isEmpty() ) {
3314 boolean needcomma=false;
3315 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3316 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3318 output.println(",");
3320 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3323 output.println("};\n");
3325 //get all the possible flagstates reachable by an object
3326 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3328 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3329 fsts.addAll(hashtbtemp.keySet());
3330 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
3331 FlagState fs = (FlagState)fsit.next();
3334 //get the set of OptionalTaskDescriptors corresponding
3335 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3336 //iterate through the OptionalTaskDescriptors and
3337 //store the pointers to the optionals struct (see on
3338 //top) into an array
3340 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3341 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
3342 OptionalTaskDescriptor mm = mos.next();
3344 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3346 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3349 output.println("};\n");
3351 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3354 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3355 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3356 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3360 //process tag information
3363 boolean first = true;
3364 Enumeration tag_enum = fs.getTags();
3365 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3366 while(tag_enum.hasMoreElements()) {
3368 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3372 output.println(", ");
3373 output.println("/*tagid*/"+state.getTagId(tagd));
3375 output.println("};");
3377 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3378 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3379 TaskIndex ti=itti.next();
3383 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3385 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3386 boolean needcomma=false;
3387 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
3388 OptionalTaskDescriptor otd=otdit.next();
3392 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3394 output.println("};");
3396 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3397 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3398 output.print(ti.getIndex()+", ");
3399 output.print(otdset.size()+", ");
3400 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3401 output.println("};");
3404 tiset=sa.getTaskIndex(fs);
3405 boolean needcomma=false;
3407 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3408 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3409 TaskIndex ti=itti.next();
3410 if (ti.isRuntime()) {
3417 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3419 output.println("};\n");
3421 //Store the result in fsanalysiswrapper
3423 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3424 output.println("/*flag*/"+flagid+",");
3425 output.println("/* number of tags*/"+tagcounter+",");
3426 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3427 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3428 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3429 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3430 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3431 output.println("};\n");
3435 //Build the array of fsanalysiswrappers
3436 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3437 boolean needcomma=false;
3438 for(int i = 0; i<fscounter; i++) {
3439 if (needcomma) output.print(",");
3440 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3443 output.println("};");
3445 //Build the classanalysiswrapper referring to the previous array
3446 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3447 output.println("/*type*/"+cdtemp.getId()+",");
3448 output.println("/*numotd*/"+numotd+",");
3449 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3450 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3451 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3452 processedcd.add(cdtemp);
3455 //build an array containing every classes for which code has been build
3456 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3457 for(int i=0; i<state.numClasses(); i++) {
3458 ClassDescriptor cn=cdarray[i];
3461 if (processedcd.contains(cn))
3462 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3464 output.print("NULL");
3466 output.println("};");
3468 output.println("#define MAXOTD "+maxotd);
3469 headers.println("#endif");
3472 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3473 Relation r=new Relation();
3474 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
3475 OptionalTaskDescriptor otd=otdit.next();
3476 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3480 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3481 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
3482 Set s=r.get(it.next());
3483 for(Iterator it2=s.iterator(); it2.hasNext();) {
3484 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3492 protected void outputTransCode(PrintWriter output) {