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;
14 import Analysis.TaskStateAnalysis.FlagState;
15 import Analysis.TaskStateAnalysis.FlagComparator;
16 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
17 import Analysis.TaskStateAnalysis.Predicate;
18 import Analysis.TaskStateAnalysis.SafetyAnalysis;
19 import Analysis.TaskStateAnalysis.TaskIndex;
20 import Analysis.Locality.LocalityAnalysis;
21 import Analysis.Locality.LocalityBinding;
22 import Analysis.Locality.DiscoverConflicts;
23 import Analysis.Locality.DCWrapper;
24 import Analysis.Locality.DelayComputation;
25 import Analysis.Locality.BranchAnalysis;
26 import Analysis.CallGraph.CallGraph;
27 import Analysis.Prefetch.*;
28 import Analysis.Loops.WriteBarrier;
29 import Analysis.Loops.GlobalFieldType;
30 import Analysis.Locality.TypeAnalysis;
31 import Util.CodePrinter;
33 public class BuildCode {
36 Hashtable paramstable;
41 String localsprefix="___locals___";
42 String localsprefixaddr="&"+localsprefix;
43 String localsprefixderef=localsprefix+".";
44 String fcrevert="___fcrevert___";
45 String paramsprefix="___params___";
46 String oidstr="___nextobject___";
47 String nextobjstr="___nextobject___";
48 String localcopystr="___localcopy___";
49 public static boolean GENERATEPRECISEGC=false;
50 public static String PREFIX="";
51 public static String arraytype="ArrayObject";
52 public static int flagcount = 0;
55 protected int maxtaskparams=0;
56 private int maxcount=0;
57 ClassDescriptor[] cdarray;
58 TypeDescriptor[] arraytable;
59 LocalityAnalysis locality;
60 Hashtable<LocalityBinding, TempDescriptor> reverttable;
61 Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>> backuptable;
66 DiscoverConflicts recorddc;
69 Hashtable<String, ClassDescriptor> printedfieldstbl;
72 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
73 this(st, temptovar, typeutil, null, sa, pa);
76 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
77 this(st, temptovar, typeutil, locality, null, pa);
80 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa ) {
84 callgraph=new CallGraph(state);
86 oidstr="___objlocation___";
87 this.temptovar=temptovar;
88 paramstable=new Hashtable();
89 tempstable=new Hashtable();
90 fieldorder=new Hashtable();
91 flagorder=new Hashtable();
92 this.typeutil=typeutil;
93 virtualcalls=new Virtual(state,locality);
95 this.locality=locality;
96 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
97 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
98 this.wb=new WriteBarrier(locality, st);
100 if (state.SINGLETM&&state.DCOPTS) {
101 TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
102 GlobalFieldType gft=new GlobalFieldType(callgraph, st, typeutil.getMain());
103 this.dc=new DiscoverConflicts(locality, st, typeanalysis, gft);
106 if (state.DELAYCOMP) {
107 //TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
108 TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
109 GlobalFieldType gft=new GlobalFieldType(callgraph, st, typeutil.getMain());
110 delaycomp=new DCWrapper(locality, st, typeanalysis, gft);
111 dc=delaycomp.getConflicts();
112 recorddc=new DiscoverConflicts(locality, st, typeanalysis, delaycomp.getCannotDelayMap(), true, true, null);
113 recorddc.doAnalysis();
115 printedfieldstbl = new Hashtable<String, ClassDescriptor>();
118 /** The buildCode method outputs C code for all the methods. The Flat
119 * versions of the methods must already be generated and stored in
120 * the State object. */
121 PrintWriter outsandbox=null;
123 public void buildCode() {
124 /* Create output streams to write to */
125 PrintWriter outclassdefs=null;
126 PrintWriter outstructs=null;
127 PrintWriter outrepairstructs=null;
128 PrintWriter outmethodheader=null;
129 PrintWriter outmethod=null;
130 PrintWriter outvirtual=null;
131 PrintWriter outtask=null;
132 PrintWriter outtaskdefs=null;
133 PrintWriter outoptionalarrays=null;
134 PrintWriter optionalheaders=null;
135 PrintWriter outglobaldefs=null;
139 outsandbox=new CodePrinter(new FileOutputStream(PREFIX+"sandboxdefs.c"), true);
141 outstructs=new CodePrinter(new FileOutputStream(PREFIX+"structdefs.h"), true);
142 outmethodheader=new CodePrinter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
143 outclassdefs=new CodePrinter(new FileOutputStream(PREFIX+"classdefs.h"), true);
145 // TODO add version for normal Java later
146 outglobaldefs=new CodePrinter(new FileOutputStream(PREFIX+"globaldefs.h"), true);
148 outmethod=new CodePrinter(new FileOutputStream(PREFIX+"methods.c"), true);
149 outvirtual=new CodePrinter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
151 outtask=new CodePrinter(new FileOutputStream(PREFIX+"task.h"), true);
152 outtaskdefs=new CodePrinter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
153 if (state.OPTIONAL) {
154 outoptionalarrays=new CodePrinter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
155 optionalheaders=new CodePrinter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
158 if (state.structfile!=null) {
159 outrepairstructs=new CodePrinter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
161 } catch (Exception e) {
166 /* Build the virtual dispatch tables */
167 buildVirtualTables(outvirtual);
169 /* Tag the methods that are invoked by static blocks */
170 tagMethodInvokedByStaticBlock();
172 /* Output includes */
173 outmethodheader.println("#ifndef METHODHEADERS_H");
174 outmethodheader.println("#define METHODHEADERS_H");
175 outmethodheader.println("#include \"structdefs.h\"");
177 outmethodheader.println("#include \"dstm.h\"");
179 outmethodheader.println("#include \"sandbox.h\"");
181 if (state.EVENTMONITOR) {
182 outmethodheader.println("#include \"monitor.h\"");
184 if (state.SINGLETM) {
185 outmethodheader.println("#include \"tm.h\"");
186 outmethodheader.println("#include \"delaycomp.h\"");
187 outmethodheader.println("#include \"inlinestm.h\"");
189 if (state.ABORTREADERS) {
190 outmethodheader.println("#include \"abortreaders.h\"");
191 outmethodheader.println("#include <setjmp.h>");
195 additionalIncludesMethodsHeader( outmethodheader );
198 /* Output Structures */
199 outputStructs(outstructs);
201 // Output the C class declarations
202 // These could mutually reference each other
205 // TODO add version for normal Java later
206 outglobaldefs.println("#ifndef __GLOBALDEF_H_");
207 outglobaldefs.println("#define __GLOBALDEF_H_");
208 outglobaldefs.println("");
209 outglobaldefs.println("struct global_defs_t {");
212 outclassdefs.println("#ifndef __CLASSDEF_H_");
213 outclassdefs.println("#define __CLASSDEF_H_");
214 outputClassDeclarations(outclassdefs, outglobaldefs);
216 // Output function prototypes and structures for parameters
217 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
218 while(it.hasNext()) {
219 ClassDescriptor cn=(ClassDescriptor)it.next();
220 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader, outglobaldefs);
222 outclassdefs.println("#endif");
223 outclassdefs.close();
225 // TODO add version for normal Java later
226 outglobaldefs.println("};");
227 outglobaldefs.println("");
228 outglobaldefs.println("extern struct global_defs_t * global_defs_p;");
229 outglobaldefs.println("#endif");
230 outglobaldefs.flush();
231 outglobaldefs.close();
235 /* Map flags to integers */
236 /* The runtime keeps track of flags using these integers */
237 it=state.getClassSymbolTable().getDescriptorsIterator();
238 while(it.hasNext()) {
239 ClassDescriptor cn=(ClassDescriptor)it.next();
243 generateTaskStructs(outstructs, outmethodheader);
245 /* Outputs generic task structures if this is a task
247 outputTaskTypes(outtask);
251 // an opportunity for subclasses to do extra
253 preCodeGenInitialization();
256 /* Build the actual methods */
257 outputMethods(outmethod);
260 // opportunity for subclasses to gen extra code
261 additionalCodeGen( outmethodheader,
267 /* Output code for tasks */
268 outputTaskCode(outtaskdefs, outmethod);
270 /* Record maximum number of task parameters */
271 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
272 } else if (state.main!=null) {
273 /* Generate main method */
274 outputMainMethod(outmethod);
277 /* Generate information for task with optional parameters */
278 if (state.TASK&&state.OPTIONAL) {
279 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
280 outoptionalarrays.close();
283 /* Output structure definitions for repair tool */
284 if (state.structfile!=null) {
285 buildRepairStructs(outrepairstructs);
286 outrepairstructs.close();
290 outmethodheader.println("#endif");
291 outmethodheader.close();
293 outstructs.println("#endif");
298 postCodeGenCleanUp();
303 /* This method goes though the call graph and tag those methods that are
304 * invoked inside static blocks
306 protected void tagMethodInvokedByStaticBlock() {
308 Iterator it_sclasses = this.state.getSClassSymbolTable().getDescriptorsIterator();
309 MethodDescriptor current_md=null;
310 HashSet tovisit=new HashSet();
311 HashSet visited=new HashSet();
313 while(it_sclasses.hasNext()) {
314 ClassDescriptor cd = (ClassDescriptor)it_sclasses.next();
315 MethodDescriptor md = (MethodDescriptor)cd.getMethodTable().get("staticblocks");
321 while(!tovisit.isEmpty()) {
322 current_md=(MethodDescriptor)tovisit.iterator().next();
323 tovisit.remove(current_md);
324 visited.add(current_md);
325 Iterator it_callee = this.callgraph.getCalleeSet(current_md).iterator();
326 while(it_callee.hasNext()) {
327 Descriptor d = (Descriptor)it_callee.next();
328 if(d instanceof MethodDescriptor) {
329 if(!visited.contains(d)) {
330 ((MethodDescriptor)d).setIsInvokedByStatic(true);
336 } // TODO for normal Java version
339 /* This code generates code for each static block and static field
341 protected void outputStaticBlocks(PrintWriter outmethod) {
342 // execute all the static blocks and all the static field initializations
346 /* This code generates code to create a Class object for each class for
349 protected void outputClassObjects(PrintWriter outmethod) {
350 // for each class, initialize its Class object
354 /* This code just generates the main C method for java programs.
355 * The main C method packs up the arguments into a string array
356 * and passes it to the java main method. */
358 protected void outputMainMethod(PrintWriter outmethod) {
359 outmethod.println("int main(int argc, const char *argv[]) {");
360 outmethod.println(" int i;");
362 outputStaticBlocks(outmethod);
363 outputClassObjects(outmethod);
366 additionalCodeAtTopOfMain( outmethod );
370 if (state.DSMRECOVERYSTATS) {
371 outmethod.println("#ifdef RECOVERYSTATS \n");
372 outmethod.println("handle();\n");
373 outmethod.println("#endif\n");
375 outmethod.println("#if defined(TRANSSTATS) || defined(RECOVERYSTATS) \n");
376 outmethod.println("handle();\n");
377 outmethod.println("#endif\n");
381 if (state.THREAD||state.DSM||state.SINGLETM) {
382 outmethod.println("initializethreads();");
385 outmethod.println("if (dstmStartup(argv[1])) {");
386 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
387 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
389 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
392 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
393 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
395 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
399 outmethod.println(" for(i=2;i<argc;i++) {");
401 outmethod.println(" for(i=1;i<argc;i++) {");
402 outmethod.println(" int length=strlen(argv[i]);");
403 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
404 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
406 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
409 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
411 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
412 outmethod.println(" }");
414 MethodDescriptor md=typeutil.getMain();
415 ClassDescriptor cd=typeutil.getMainClass();
417 outmethod.println(" {");
418 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
419 if (state.DSM||state.SINGLETM) {
420 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
422 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
423 outmethod.println("1, NULL,"+"stringarray};");
424 if (state.DSM||state.SINGLETM)
425 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
427 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
429 if (state.DSM||state.SINGLETM)
430 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
432 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
434 outmethod.println(" }");
437 outmethod.println("}");
440 if (state.THREAD||state.DSM||state.SINGLETM) {
441 outmethod.println("pthread_mutex_lock(&gclistlock);");
442 outmethod.println("threadcount--;");
443 outmethod.println("pthread_cond_signal(&gccond);");
444 outmethod.println("pthread_mutex_unlock(&gclistlock);");
447 if (state.DSM||state.SINGLETM) {
448 //outmethod.println("#if defined(TRANSSTATS) || defined(RECOVERYSTATS) \n");
449 outmethod.println("#if defined(TRANSSTATS) \n");
450 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
451 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
452 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
453 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
455 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
456 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
457 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
458 outmethod.println("printf(\"ndirtyCacheObj= %d\\n\", ndirtyCacheObj);");
459 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
460 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
461 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
462 outmethod.println("printf(\"totalObjSize= %d\\n\", totalObjSize);");
463 outmethod.println("printf(\"sendRemoteReq= %d\\n\", sendRemoteReq);");
464 outmethod.println("printf(\"getResponse= %d\\n\", getResponse);");
465 } else if (state.SINGLETM) {
466 outmethod.println("printf(\"nSoftAbortAbort= %d\\n\", nSoftAbortAbort);");
467 outmethod.println("printf(\"nSoftAbortCommit= %d\\n\", nSoftAbortCommit);");
468 outmethod.println("#ifdef STMSTATS\n");
469 outmethod.println("for(i=0; i<TOTALNUMCLASSANDARRAY; i++) {\n");
470 outmethod.println(" printf(\"typesCausingAbort[%2d] numaccess= %5d numabort= %3d\\n\", i, typesCausingAbort[i].numaccess, typesCausingAbort[i].numabort);\n");
471 outmethod.println("}\n");
472 outmethod.println("#endif\n");
473 outmethod.println("fflush(stdout);");
475 outmethod.println("#endif\n");
478 if (state.EVENTMONITOR) {
479 outmethod.println("dumpdata();");
482 if (state.THREAD||state.SINGLETM)
483 outmethod.println("pthread_exit(NULL);");
486 additionalCodeAtBottomOfMain( outmethod );
489 outmethod.println("}");
492 /* This method outputs code for each task. */
494 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
495 /* Compile task based program */
496 outtaskdefs.println("#include \"task.h\"");
497 outtaskdefs.println("#include \"methodheaders.h\"");
498 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
499 while(taskit.hasNext()) {
500 TaskDescriptor td=(TaskDescriptor)taskit.next();
501 FlatMethod fm=state.getMethodFlat(td);
502 generateFlatMethod(fm, null, outmethod);
503 generateTaskDescriptor(outtaskdefs, fm, td);
506 //Output task descriptors
507 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
508 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
510 while(taskit.hasNext()) {
511 TaskDescriptor td=(TaskDescriptor)taskit.next();
515 outtaskdefs.println(",");
516 outtaskdefs.print("&task_"+td.getSafeSymbol());
518 outtaskdefs.println("};");
520 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
524 /* This method outputs most of the methods.c file. This includes
525 * some standard includes and then an array with the sizes of
526 * objets and array that stores supertype and then the code for
527 * the Java methods.. */
528 protected void outputMethods(PrintWriter outmethod) {
529 outmethod.println("#include \"methodheaders.h\"");
530 outmethod.println("#include \"virtualtable.h\"");
531 outmethod.println("#include \"runtime.h\"");
533 // always include: compiler directives will leave out
534 // instrumentation when option is not set
535 outmethod.println("#include \"coreprof/coreprof.h\"");
538 outmethod.println("#include \"sandboxdefs.c\"");
541 outmethod.println("#include \"addPrefetchEnhance.h\"");
542 outmethod.println("#include \"localobjects.h\"");
544 if (state.FASTCHECK) {
545 outmethod.println("#include \"localobjects.h\"");
547 if(state.MULTICORE) {
549 outmethod.println("#include \"task.h\"");
551 outmethod.println("#include \"multicoreruntime.h\"");
552 outmethod.println("#include \"runtime_arch.h\"");
554 if (state.THREAD||state.DSM||state.SINGLETM) {
555 outmethod.println("#include <thread.h>");
558 outmethod.println("#include \"thread.h\"");
560 if (state.main!=null) {
561 outmethod.println("#include <string.h>");
563 if (state.CONSCHECK) {
564 outmethod.println("#include \"checkers.h\"");
568 additionalIncludesMethodsImplementation( outmethod );
572 // TODO add version for normal Java later
573 outmethod.println("struct global_defs_t * global_defs_p;");
575 //Store the sizes of classes & array elements
576 generateSizeArray(outmethod);
578 //Store table of supertypes
579 generateSuperTypeTable(outmethod);
581 // Store table of classnames
583 // TODO add code for normal Java later
584 generateClassNameTable(outmethod);
587 //Store the layout of classes
588 generateLayoutStructs(outmethod);
591 additionalCodeAtTopMethodsImplementation( outmethod );
594 /* Generate code for methods */
595 if (state.DSM||state.SINGLETM) {
596 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
597 LocalityBinding lb=lbit.next();
598 MethodDescriptor md=lb.getMethod();
599 FlatMethod fm=state.getMethodFlat(md);
601 if (!md.getModifiers().isNative()) {
602 generateFlatMethod(fm, lb, outmethod);
606 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
607 while(classit.hasNext()) {
608 ClassDescriptor cn=(ClassDescriptor)classit.next();
609 Iterator methodit=cn.getMethods();
610 while(methodit.hasNext()) {
611 /* Classify parameters */
612 MethodDescriptor md=(MethodDescriptor)methodit.next();
613 FlatMethod fm=state.getMethodFlat(md);
614 if (!md.getModifiers().isNative()) {
615 generateFlatMethod(fm, null, outmethod);
622 protected void outputStructs(PrintWriter outstructs) {
623 outstructs.println("#ifndef STRUCTDEFS_H");
624 outstructs.println("#define STRUCTDEFS_H");
625 outstructs.println("#include \"classdefs.h\"");
626 outstructs.println("#ifndef INTPTR");
627 outstructs.println("#ifdef BIT64");
628 outstructs.println("#define INTPTR long");
629 outstructs.println("#else");
630 outstructs.println("#define INTPTR int");
631 outstructs.println("#endif");
632 outstructs.println("#endif");
635 additionalIncludesStructsHeader( outstructs );
638 /* Output #defines that the runtime uses to determine type
639 * numbers for various objects it needs */
640 outstructs.println("#define MAXCOUNT "+maxcount);
641 if (state.DSM||state.SINGLETM) {
642 LocalityBinding lbrun=new LocalityBinding(typeutil.getRun(), false);
644 lbrun.setGlobalThis(LocalityAnalysis.GLOBAL);
646 else if (state.SINGLETM) {
647 lbrun.setGlobalThis(LocalityAnalysis.NORMAL);
649 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lbrun));
653 LocalityBinding lbexecute = new LocalityBinding(typeutil.getExecute(), false);
655 lbexecute.setGlobalThis(LocalityAnalysis.GLOBAL);
656 else if( state.SINGLETM)
657 lbexecute.setGlobalThis(LocalityAnalysis.NORMAL);
658 outstructs.println("#define EXECUTEMETHOD " + virtualcalls.getLocalityNumber(lbexecute));
661 outstructs.println("#define STRINGARRAYTYPE "+
662 (state.getArrayNumber(
663 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
665 outstructs.println("#define OBJECTARRAYTYPE "+
666 (state.getArrayNumber(
667 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
670 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
671 outstructs.println("#define CHARARRAYTYPE "+
672 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
674 outstructs.println("#define BYTEARRAYTYPE "+
675 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
677 outstructs.println("#define BYTEARRAYARRAYTYPE "+
678 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
680 outstructs.println("#define NUMCLASSES "+state.numClasses());
681 int totalClassSize = state.numClasses() + state.numArrays();
682 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
684 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
685 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
686 outstructs.println("#define TAGARRAYTYPE "+
687 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
691 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs) {
692 if (state.THREAD||state.DSM||state.SINGLETM)
693 outclassdefs.println("#include <pthread.h>");
694 outclassdefs.println("#ifndef INTPTR");
695 outclassdefs.println("#ifdef BIT64");
696 outclassdefs.println("#define INTPTR long");
697 outclassdefs.println("#else");
698 outclassdefs.println("#define INTPTR int");
699 outclassdefs.println("#endif");
700 outclassdefs.println("#endif");
702 outclassdefs.println("#include \"optionalstruct.h\"");
703 outclassdefs.println("struct "+arraytype+";");
704 /* Start by declaring all structs */
705 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
706 while(it.hasNext()) {
707 ClassDescriptor cn=(ClassDescriptor)it.next();
708 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
711 // TODO add version for normal Java later
712 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
713 // this class has static fields/blocks, need to add a global flag to
714 // indicate if its static fields have been initialized and/or if its
715 // static blocks have been executed
716 outglobaldefs.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
719 // for each class, create a global object
720 outglobaldefs.println(" struct ___Object___ "+cn.getSafeSymbol()+"classobj;");
723 outclassdefs.println("");
724 //Print out definition for array type
725 outclassdefs.println("struct "+arraytype+" {");
726 outclassdefs.println(" int type;");
729 additionalClassObjectFields( outclassdefs );
732 if (state.EVENTMONITOR) {
733 outclassdefs.println(" int objuid;");
736 outclassdefs.println(" pthread_t tid;");
737 outclassdefs.println(" void * lockentry;");
738 outclassdefs.println(" int lockcount;");
741 outclassdefs.println(" int mutex;");
742 outclassdefs.println(" int objlock;");
743 if(state.MULTICOREGC) {
744 outclassdefs.println(" int marked;");
748 outclassdefs.println(" int flag;");
749 if(!state.MULTICORE) {
750 outclassdefs.println(" void * flagptr;");
752 outclassdefs.println(" int version;");
753 outclassdefs.println(" int * lock;"); // lock entry for this obj
754 outclassdefs.println(" int mutex;");
755 outclassdefs.println(" int lockcount;");
756 if(state.MULTICOREGC) {
757 outclassdefs.println(" int marked;");
761 outclassdefs.println(" int numfses;");
762 outclassdefs.println(" int * fses;");
766 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs);
767 printedfieldstbl.clear();
769 if (state.STMARRAY) {
770 outclassdefs.println(" int lowindex;");
771 outclassdefs.println(" int highindex;");
774 outclassdefs.println(" int paddingforarray;");
775 if (state.DUALVIEW) {
776 outclassdefs.println(" int arrayversion;");
779 outclassdefs.println(" int ___length___;");
780 outclassdefs.println("};\n");
783 // TODO add version for normal Java later
784 outclassdefs.println("");
785 //Print out definition for Class type
786 outclassdefs.println("struct Class {");
787 outclassdefs.println(" int type;");
790 additionalClassObjectFields( outclassdefs );
793 if (state.EVENTMONITOR) {
794 outclassdefs.println(" int objuid;");
797 outclassdefs.println(" pthread_t tid;");
798 outclassdefs.println(" void * lockentry;");
799 outclassdefs.println(" int lockcount;");
802 outclassdefs.println(" int mutex;");
803 outclassdefs.println(" int objlock;");
804 if(state.MULTICOREGC) {
805 outclassdefs.println(" int marked;");
809 outclassdefs.println(" int flag;");
810 if(!state.MULTICORE) {
811 outclassdefs.println(" void * flagptr;");
813 outclassdefs.println(" int version;");
814 outclassdefs.println(" int * lock;"); // lock entry for this obj
815 outclassdefs.println(" int mutex;");
816 outclassdefs.println(" int lockcount;");
817 if(state.MULTICOREGC) {
818 outclassdefs.println(" int marked;");
822 outclassdefs.println(" int numfses;");
823 outclassdefs.println(" int * fses;");
826 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs);
827 printedfieldstbl.clear();
828 outclassdefs.println("};\n");
831 outclassdefs.println("");
832 outclassdefs.println("extern int classsize[];");
833 outclassdefs.println("extern int hasflags[];");
834 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
835 outclassdefs.println("extern int supertypes[];");
837 // TODO add version for normal Java later
838 outclassdefs.println("extern char * classname[];");
840 outclassdefs.println("");
843 /** Prints out definitions for generic task structures */
845 private void outputTaskTypes(PrintWriter outtask) {
846 outtask.println("#ifndef _TASK_H");
847 outtask.println("#define _TASK_H");
848 outtask.println("struct parameterdescriptor {");
849 outtask.println("int type;");
850 outtask.println("int numberterms;");
851 outtask.println("int *intarray;");
852 outtask.println("void * queue;");
853 outtask.println("int numbertags;");
854 outtask.println("int *tagarray;");
855 outtask.println("};");
857 outtask.println("struct taskdescriptor {");
858 outtask.println("void * taskptr;");
859 outtask.println("int numParameters;");
860 outtask.println(" int numTotal;");
861 outtask.println("struct parameterdescriptor **descriptorarray;");
862 outtask.println("char * name;");
863 outtask.println("};");
864 outtask.println("extern struct taskdescriptor * taskarray[];");
865 outtask.println("extern numtasks;");
866 outtask.println("#endif");
870 private void buildRepairStructs(PrintWriter outrepairstructs) {
871 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
872 while(classit.hasNext()) {
873 ClassDescriptor cn=(ClassDescriptor)classit.next();
874 outrepairstructs.println("structure "+cn.getSymbol()+" {");
875 outrepairstructs.println(" int __type__;");
877 outrepairstructs.println(" int __flag__;");
878 if(!state.MULTICORE) {
879 outrepairstructs.println(" int __flagptr__;");
882 printRepairStruct(cn, outrepairstructs);
883 outrepairstructs.println("}\n");
886 for(int i=0; i<state.numArrays(); i++) {
887 TypeDescriptor tdarray=arraytable[i];
888 TypeDescriptor tdelement=tdarray.dereference();
889 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
890 outrepairstructs.println(" int __type__;");
891 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
892 outrepairstructs.println(" int length;");
894 // Need to add support to repair tool for this
895 if (tdelement.isClass()||tdelement.isArray())
896 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
898 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
900 outrepairstructs.println("}\n");
904 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
905 ClassDescriptor sp=cn.getSuperDesc();
907 printRepairStruct(sp, output);
909 Vector fields=(Vector)fieldorder.get(cn);
911 for(int i=0; i<fields.size(); i++) {
912 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
913 if (fd.getType().isArray()) {
914 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
915 } else if (fd.getType().isClass())
916 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
917 else if (fd.getType().isFloat())
918 output.println(" int "+fd.getSymbol()+"; /* really float */");
920 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
924 /** This method outputs TaskDescriptor information */
925 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
926 for (int i=0; i<task.numParameters(); i++) {
927 VarDescriptor param_var=task.getParameter(i);
928 TypeDescriptor param_type=task.getParamType(i);
929 FlagExpressionNode param_flag=task.getFlag(param_var);
930 TagExpressionList param_tag=task.getTag(param_var);
933 if (param_flag==null) {
934 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
935 output.println("0x0, 0x0 };");
938 DNFFlag dflag=param_flag.getDNF();
939 dnfterms=dflag.size();
941 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
942 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
943 for(int j=0; j<dflag.size(); j++) {
946 Vector term=dflag.get(j);
949 for(int k=0; k<term.size(); k++) {
950 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
951 FlagDescriptor fd=dfa.getFlag();
952 boolean negated=dfa.getNegated();
953 int flagid=1<<((Integer)flags.get(fd)).intValue();
958 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
960 output.println("};");
963 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
964 //BUG...added next line to fix, test with any task program
966 for(int j=0; j<param_tag.numTags(); j++) {
969 /* for each tag we need */
970 /* which slot it is */
971 /* what type it is */
972 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
973 TempDescriptor tmp=param_tag.getTemp(j);
974 int slot=fm.getTagInt(tmp);
975 output.println(slot+", "+state.getTagId(tvd.getTag()));
977 output.println("};");
979 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
980 output.println("/* type */"+param_type.getClassDesc().getId()+",");
981 output.println("/* number of DNF terms */"+dnfterms+",");
982 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
983 output.println("0,");
984 //BUG, added next line to fix and else statement...test
985 //with any task program
987 output.println("/* number of tags */"+param_tag.numTags()+",");
989 output.println("/* number of tags */ 0,");
990 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
991 output.println("};");
995 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
996 for (int i=0; i<task.numParameters(); i++) {
999 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
1001 output.println("};");
1003 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
1004 output.println("&"+task.getSafeSymbol()+",");
1005 output.println("/* number of parameters */" +task.numParameters() + ",");
1006 int numtotal=task.numParameters()+fm.numTags();
1007 output.println("/* number total parameters */" +numtotal + ",");
1008 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
1009 output.println("\""+task.getSymbol()+"\"");
1010 output.println("};");
1014 /** The buildVirtualTables method outputs the virtual dispatch
1015 * tables for methods. */
1017 protected void buildVirtualTables(PrintWriter outvirtual) {
1018 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
1019 while(classit.hasNext()) {
1020 ClassDescriptor cd=(ClassDescriptor)classit.next();
1021 if (virtualcalls.getMethodCount(cd)>maxcount)
1022 maxcount=virtualcalls.getMethodCount(cd);
1024 MethodDescriptor[][] virtualtable=null;
1025 LocalityBinding[][] lbvirtualtable=null;
1026 if (state.DSM||state.SINGLETM)
1027 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
1029 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
1031 /* Fill in virtual table */
1032 classit=state.getClassSymbolTable().getDescriptorsIterator();
1033 while(classit.hasNext()) {
1034 ClassDescriptor cd=(ClassDescriptor)classit.next();
1035 if(cd.isInterface()) {
1038 if (state.DSM||state.SINGLETM)
1039 fillinRow(cd, lbvirtualtable, cd.getId());
1041 fillinRow(cd, virtualtable, cd.getId());
1044 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
1045 Iterator arrayit=state.getArrayIterator();
1046 while(arrayit.hasNext()) {
1047 TypeDescriptor td=(TypeDescriptor)arrayit.next();
1048 int id=state.getArrayNumber(td);
1049 if (state.DSM||state.SINGLETM)
1050 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
1052 fillinRow(objectcd, virtualtable, id+state.numClasses());
1055 outvirtual.print("void * virtualtable[]={");
1056 boolean needcomma=false;
1057 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
1058 for(int j=0; j<maxcount; j++) {
1060 outvirtual.print(", ");
1061 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
1062 LocalityBinding lb=lbvirtualtable[i][j];
1063 MethodDescriptor md=lb.getMethod();
1064 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1065 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
1066 MethodDescriptor md=virtualtable[i][j];
1067 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1069 outvirtual.print("0");
1073 outvirtual.println("");
1075 outvirtual.println("};");
1079 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
1080 /* Get inherited methods */
1081 if (cd.getSuperDesc()!=null)
1082 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
1084 // TODO add version for normal Java later
1085 Iterator it_sifs = cd.getSuperInterfaces();
1086 while(it_sifs.hasNext()) {
1087 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
1088 fillinRow(superif, virtualtable, rownum);
1091 /* Override them with our methods */
1092 for(Iterator it=cd.getMethods(); it.hasNext();) {
1093 MethodDescriptor md=(MethodDescriptor)it.next();
1094 if (md.isStatic()||md.getReturnType()==null)
1096 int methodnum=virtualcalls.getMethodNumber(md);
1097 virtualtable[rownum][methodnum]=md;
1101 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
1102 /* Get inherited methods */
1103 if (cd.getSuperDesc()!=null)
1104 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
1105 /* Override them with our methods */
1106 if (locality.getClassBindings(cd)!=null)
1107 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
1108 LocalityBinding lb=lbit.next();
1109 MethodDescriptor md=lb.getMethod();
1110 //Is the method static or a constructor
1111 if (md.isStatic()||md.getReturnType()==null)
1113 int methodnum=virtualcalls.getLocalityNumber(lb);
1114 virtualtable[rownum][methodnum]=lb;
1118 /** Generate array that contains the sizes of class objects. The
1119 * object allocation functions in the runtime use this
1122 private void generateSizeArray(PrintWriter outclassdefs) {
1123 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
1124 outclassdefs.print("#ifdef TRANSSTATS \n");
1125 outclassdefs.print("extern int numTransAbort;\n");
1126 outclassdefs.print("extern int numTransCommit;\n");
1127 outclassdefs.print("extern int nSoftAbort;\n");
1129 outclassdefs.print("extern int nchashSearch;\n");
1130 outclassdefs.print("extern int nmhashSearch;\n");
1131 outclassdefs.print("extern int nprehashSearch;\n");
1132 outclassdefs.print("extern int ndirtyCacheObj;\n");
1133 outclassdefs.print("extern int nRemoteSend;\n");
1134 outclassdefs.print("extern int sendRemoteReq;\n");
1135 outclassdefs.print("extern int getResponse;\n");
1136 outclassdefs.print("extern int bytesSent;\n");
1137 outclassdefs.print("extern int bytesRecv;\n");
1138 outclassdefs.print("extern int totalObjSize;\n");
1139 outclassdefs.print("extern void handle();\n");
1140 } else if (state.SINGLETM) {
1141 outclassdefs.println("extern int nSoftAbortAbort;");
1142 outclassdefs.println("extern int nSoftAbortCommit;");
1143 outclassdefs.println("#ifdef STMSTATS\n");
1144 outclassdefs.println("extern objtypestat_t typesCausingAbort[];");
1145 outclassdefs.println("#endif\n");
1147 outclassdefs.print("#endif\n");
1149 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
1152 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1153 cdarray=new ClassDescriptor[state.numClasses()];
1155 while(it.hasNext()) {
1156 ClassDescriptor cd=(ClassDescriptor)it.next();
1157 if(!cd.isInterface()) {
1158 cdarray[cd.getId()]=cd;
1162 arraytable=new TypeDescriptor[state.numArrays()];
1164 Iterator arrayit=state.getArrayIterator();
1165 while(arrayit.hasNext()) {
1166 TypeDescriptor td=(TypeDescriptor)arrayit.next();
1167 int id=state.getArrayNumber(td);
1173 /* Print out types */
1174 outclassdefs.println("/* ");
1175 for(int i=0; i<state.numClasses(); i++) {
1176 ClassDescriptor cd=cdarray[i];
1178 outclassdefs.println("NULL " + i);
1180 outclassdefs.println(cd +" "+i);
1184 for(int i=0; i<state.numArrays(); i++) {
1185 TypeDescriptor arraytd=arraytable[i];
1186 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
1189 outclassdefs.println("*/");
1192 outclassdefs.print("int classsize[]={");
1194 boolean needcomma=false;
1195 for(int i=0; i<state.numClasses(); i++) {
1197 outclassdefs.print(", ");
1199 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
1201 outclassdefs.print("0");
1207 for(int i=0; i<state.numArrays(); i++) {
1209 outclassdefs.print(", ");
1210 TypeDescriptor tdelement=arraytable[i].dereference();
1211 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
1212 outclassdefs.print("sizeof(void *)");
1214 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
1218 outclassdefs.println("};");
1220 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1222 outclassdefs.print("int typearray[]={");
1223 for(int i=0; i<state.numClasses(); i++) {
1224 ClassDescriptor cd=cdarray[i];
1225 ClassDescriptor supercd=i>0?cd.getSuperDesc():null;
1227 outclassdefs.print(", ");
1229 outclassdefs.print("-1");
1231 outclassdefs.print(supercd.getId());
1235 for(int i=0; i<state.numArrays(); i++) {
1236 TypeDescriptor arraytd=arraytable[i];
1237 ClassDescriptor arraycd=arraytd.getClassDesc();
1238 if (arraycd==null) {
1240 outclassdefs.print(", ");
1241 outclassdefs.print(objectclass.getId());
1245 ClassDescriptor cd=arraycd.getSuperDesc();
1248 TypeDescriptor supertd=new TypeDescriptor(cd);
1249 supertd.setArrayCount(arraytd.getArrayCount());
1250 type=state.getArrayNumber(supertd);
1252 type+=state.numClasses();
1255 cd=cd.getSuperDesc();
1258 outclassdefs.print(", ");
1259 outclassdefs.print(type);
1263 outclassdefs.println("};");
1268 outclassdefs.print("int typearray2[]={");
1269 for(int i=0; i<state.numArrays(); i++) {
1270 TypeDescriptor arraytd=arraytable[i];
1271 ClassDescriptor arraycd=arraytd.getClassDesc();
1272 if (arraycd==null) {
1274 outclassdefs.print(", ");
1275 outclassdefs.print("-1");
1279 ClassDescriptor cd=arraycd.getSuperDesc();
1280 int level=arraytd.getArrayCount()-1;
1282 for(; level>0; level--) {
1283 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1284 supertd.setArrayCount(level);
1285 type=state.getArrayNumber(supertd);
1287 type+=state.numClasses();
1292 outclassdefs.print(", ");
1293 outclassdefs.print(type);
1297 outclassdefs.println("};");
1300 /** Constructs params and temp objects for each method or task.
1301 * These objects tell the compiler which temps need to be
1304 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
1305 MethodDescriptor md=fm.getMethod();
1306 TaskDescriptor task=fm.getTask();
1307 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
1308 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
1310 paramstable.put(lb, objectparams);
1311 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
1312 } else if (md!=null)
1313 paramstable.put(md, objectparams);
1315 paramstable.put(task, objectparams);
1317 for(int i=0; i<fm.numParameters(); i++) {
1318 TempDescriptor temp=fm.getParameter(i);
1319 TypeDescriptor type=temp.getType();
1320 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1321 objectparams.addPtr(temp);
1323 objectparams.addPrim(temp);
1324 if(lb!=null&&saveset.contains(temp)) {
1325 backuptable.get(lb).put(temp, temp.createNew());
1329 for(int i=0; i<fm.numTags(); i++) {
1330 TempDescriptor temp=fm.getTag(i);
1331 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1332 objectparams.addPtr(temp);
1334 objectparams.addPrim(temp);
1337 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1339 tempstable.put(lb, objecttemps);
1341 tempstable.put(md, objecttemps);
1343 tempstable.put(task, objecttemps);
1345 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
1346 FlatNode fn=(FlatNode)nodeit.next();
1347 TempDescriptor[] writes=fn.writesTemps();
1348 for(int i=0; i<writes.length; i++) {
1349 TempDescriptor temp=writes[i];
1350 TypeDescriptor type=temp.getType();
1351 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1352 objecttemps.addPtr(temp);
1354 objecttemps.addPrim(temp);
1355 if(lb!=null&&saveset.contains(temp)&&
1356 !backuptable.get(lb).containsKey(temp))
1357 backuptable.get(lb).put(temp, temp.createNew());
1361 /* Create backup temps */
1363 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
1364 TempDescriptor tmp=tmpit.next();
1365 TypeDescriptor type=tmp.getType();
1366 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1367 objecttemps.addPtr(tmp);
1369 objecttemps.addPrim(tmp);
1371 /* Create temp to hold revert table */
1372 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
1373 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
1374 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1375 objecttemps.addPtr(reverttmp);
1377 objecttemps.addPrim(reverttmp);
1378 reverttable.put(lb, reverttmp);
1383 /** This method outputs the following information about classes
1385 * (1) For classes, what are the locations of pointers.
1386 * (2) For arrays, does the array contain pointers or primitives.
1387 * (3) For classes, does the class contain flags.
1390 private void generateLayoutStructs(PrintWriter output) {
1391 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1392 while(it.hasNext()) {
1393 ClassDescriptor cn=(ClassDescriptor)it.next();
1394 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1395 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1397 while(allit.hasNext()) {
1398 FieldDescriptor fd=(FieldDescriptor)allit.next();
1399 TypeDescriptor type=fd.getType();
1400 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1405 output.print(count);
1406 allit=cn.getFieldTable().getAllDescriptorsIterator();
1407 while(allit.hasNext()) {
1408 FieldDescriptor fd=(FieldDescriptor)allit.next();
1409 TypeDescriptor type=fd.getType();
1410 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1413 output.println(",");
1414 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1415 (fd.getClassDescriptor()==null?"":fd.getClassDescriptor().getSafeSymbol())+fd.getSafeSymbol()+"))");
1418 output.println("};");
1420 output.println("unsigned INTPTR * pointerarray[]={");
1421 boolean needcomma=false;
1422 for(int i=0; i<state.numClasses(); i++) {
1423 ClassDescriptor cn=cdarray[i];
1425 output.println(",");
1428 output.print(cn.getSafeSymbol()+"_pointers");
1430 output.print("NULL");
1434 for(int i=0; i<state.numArrays(); i++) {
1436 output.println(", ");
1437 TypeDescriptor tdelement=arraytable[i].dereference();
1438 if (tdelement.isArray()||tdelement.isClass())
1439 output.print("((unsigned INTPTR *)1)");
1445 output.println("};");
1447 output.println("int hasflags[]={");
1448 for(int i=0; i<state.numClasses(); i++) {
1449 ClassDescriptor cn=cdarray[i];
1451 output.println(", ");
1453 if ((cn != null) && (cn.hasFlags()))
1458 output.println("};");
1461 /** Print out table to give us supertypes */
1462 private void generateSuperTypeTable(PrintWriter output) {
1463 output.println("int supertypes[]={");
1464 boolean needcomma=false;
1465 for(int i=0; i<state.numClasses(); i++) {
1466 ClassDescriptor cn=cdarray[i];
1468 output.println(",");
1470 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1471 ClassDescriptor cdsuper=cn.getSuperDesc();
1472 output.print(cdsuper.getId());
1476 output.println("};");
1479 /** Print out table to give us classnames */
1480 /*private void generateClassNameTable(PrintWriter output) {
1481 output.println("char * classname[]={");
1482 boolean needcomma=false;
1483 for(int i=0; i<state.numClasses(); i++) {
1484 ClassDescriptor cn=cdarray[i];
1486 output.println(",");
1488 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1489 output.print("\"" + cn.getSymbol() + "\"");
1491 output.print("\"\"");
1493 output.println("};");
1496 /** Force consistent field ordering between inherited classes. */
1498 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout) {
1500 ClassDescriptor sp=cn.getSuperDesc();
1502 printClassStruct(sp, classdefout, /*globaldefout*/null);
1504 SymbolTable sitbl = cn.getSuperInterfaceTable();
1505 Iterator it_sifs = sitbl.getDescriptorsIterator();
1507 while(it_sifs.hasNext()) {
1508 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1509 printClassStruct(si, classdefout, /*globaldefout*/null);
1513 if (!fieldorder.containsKey(cn)) {
1514 Vector fields=new Vector();
1515 fieldorder.put(cn,fields);
1517 Vector fieldvec=cn.getFieldVec();
1518 for(int i=0;i<fieldvec.size();i++) {
1519 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1521 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1524 it_sifs = sitbl.getDescriptorsIterator();
1525 boolean hasprinted = false;
1526 while(it_sifs.hasNext()) {
1527 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1528 if(si.getFieldTable().contains(fd.getSymbol())) {
1534 // this field has been defined in the super class
1540 if ((sp==null) || (!sp.getFieldTable().contains(fd.getSymbol())))
1545 Vector fields=(Vector)fieldorder.get(cn);
1547 /*Vector */fields = cn.getFieldVec();
1549 for(int i=0; i<fields.size(); i++) {
1550 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1551 String fstring = (fd.getClassDescriptor()==null?"":fd.getClassDescriptor().getSymbol()) + fd.getSymbol();
1552 if(printedfieldstbl.containsKey(fstring)) {
1553 printedfieldstbl.put(fstring, cn);
1556 printedfieldstbl.put(fstring, cn);
1558 if (state.MGC && fd.getType().isClass()
1559 && fd.getType().getClassDesc().isEnum()) {
1560 classdefout.println(" int " + cn.getSafeSymbol() + fd.getSafeSymbol() + ";");
1561 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1562 if ((state.MGC) && (fd.isStatic())) {
1563 // TODO add version for normal Java later
1565 if(globaldefout != null) {
1566 if(fd.isVolatile()) {
1567 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1569 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1572 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" ** "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1573 } else if ((state.MGC) && (fd.isVolatile())) {
1574 // TODO add version for normal Java later
1576 if(globaldefout != null) {
1577 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1579 classdefout.println(" struct"+fd.getType().getSafeSymbol()+" ** "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1581 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1583 } else if ((state.MGC) && (fd.isStatic())) {
1584 // TODO add version for normal Java later
1586 if(globaldefout != null) {
1587 if(fd.isVolatile()) {
1588 globaldefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1590 globaldefout.println(" "+fd.getType().getSafeSymbol()+ " "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1593 classdefout.println(" "+fd.getType().getSafeSymbol()+" * "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1594 } else if ((state.MGC) && (fd.isVolatile())) {
1595 // TODO add version for normal Java later
1597 if(globaldefout != null) {
1598 globaldefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1600 classdefout.println(" "+fd.getType().getSafeSymbol()+" * "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1602 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1607 /* Map flags to integers consistently between inherited
1610 protected void mapFlags(ClassDescriptor cn) {
1611 ClassDescriptor sp=cn.getSuperDesc();
1615 if (!flagorder.containsKey(cn)) {
1616 Hashtable flags=new Hashtable();
1617 flagorder.put(cn,flags);
1619 Hashtable superflags=(Hashtable)flagorder.get(sp);
1620 Iterator superflagit=superflags.keySet().iterator();
1621 while(superflagit.hasNext()) {
1622 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1623 Integer number=(Integer)superflags.get(fd);
1624 flags.put(fd, number);
1625 if ((number.intValue()+1)>max)
1626 max=number.intValue()+1;
1630 Iterator flagit=cn.getFlags();
1631 while(flagit.hasNext()) {
1632 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1633 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1634 flags.put(fd, new Integer(max++));
1640 /** This function outputs (1) structures that parameters are
1641 * passed in (when PRECISE GC is enabled) and (2) function
1642 * prototypes for the methods */
1644 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout) {
1645 /* Output class structure */
1646 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1647 classdefout.println(" int type;");
1650 additionalClassObjectFields( classdefout );
1653 if (state.EVENTMONITOR) {
1654 classdefout.println(" int objuid;");
1657 classdefout.println(" pthread_t tid;");
1658 classdefout.println(" void * lockentry;");
1659 classdefout.println(" int lockcount;");
1662 classdefout.println(" int mutex;");
1663 classdefout.println(" int objlock;");
1664 if(state.MULTICOREGC) {
1665 classdefout.println(" int marked;");
1669 classdefout.println(" int flag;");
1670 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1671 classdefout.println(" void * flagptr;");
1672 } else if (state.MULTICORE) {
1673 classdefout.println(" int version;");
1674 classdefout.println(" int * lock;"); // lock entry for this obj
1675 classdefout.println(" int mutex;");
1676 classdefout.println(" int lockcount;");
1677 if(state.MULTICOREGC) {
1678 classdefout.println(" int marked;");
1681 if (state.OPTIONAL) {
1682 classdefout.println(" int numfses;");
1683 classdefout.println(" int * fses;");
1686 printClassStruct(cn, classdefout, globaldefout);
1687 printedfieldstbl.clear();
1688 classdefout.println("};\n");
1690 if (state.DSM||state.SINGLETM) {
1691 /* Cycle through LocalityBindings */
1692 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1693 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1695 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1696 LocalityBinding lb=lbit.next();
1697 MethodDescriptor md=lb.getMethod();
1698 if (md.getModifiers().isNative()) {
1699 //make sure we only print a native method once
1700 if (nativemethods.contains(md)) {
1701 FlatMethod fm=state.getMethodFlat(md);
1702 generateTempStructs(fm, lb);
1705 nativemethods.add(md);
1707 generateMethod(cn, md, lb, headersout, output);
1710 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1711 MethodDescriptor md=(MethodDescriptor)methodit.next();
1712 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1713 //Need to build param structure for library code
1714 FlatMethod fm=state.getMethodFlat(md);
1715 generateTempStructs(fm, null);
1716 generateMethodParam(cn, md, null, output);
1721 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1722 MethodDescriptor md=(MethodDescriptor)methodit.next();
1723 generateMethod(cn, md, null, headersout, output);
1727 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1728 /* Output parameter structure */
1729 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1730 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1731 if ((state.DSM||state.SINGLETM)&&lb!=null)
1732 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1734 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1735 output.println(" int size;");
1736 output.println(" void * next;");
1737 for(int i=0; i<objectparams.numPointers(); i++) {
1738 TempDescriptor temp=objectparams.getPointer(i);
1739 if(state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1740 output.println(" int " + temp.getSafeSymbol() + ";");
1742 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1745 output.println("};\n");
1749 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1750 FlatMethod fm=state.getMethodFlat(md);
1751 generateTempStructs(fm, lb);
1753 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1754 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1756 generateMethodParam(cn, md, lb, output);
1758 /* Output temp structure */
1759 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1760 if (state.DSM||state.SINGLETM)
1761 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1763 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1764 output.println(" int size;");
1765 output.println(" void * next;");
1766 for(int i=0; i<objecttemps.numPointers(); i++) {
1767 TempDescriptor temp=objecttemps.getPointer(i);
1768 if (temp.getType().isNull())
1769 output.println(" void * "+temp.getSafeSymbol()+";");
1771 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1773 output.println("};\n");
1776 /********* Output method declaration ***********/
1777 if (state.DSM||state.SINGLETM) {
1778 headersout.println("#define D"+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1780 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1782 /* First the return type */
1783 if (md.getReturnType()!=null) {
1784 if(state.MGC && md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1785 headersout.println(" int ");
1786 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1787 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1789 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1791 //catch the constructor case
1792 headersout.print("void ");
1794 /* Next the method name */
1795 if (state.DSM||state.SINGLETM) {
1796 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1798 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1800 boolean printcomma=false;
1801 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1802 if (state.DSM||state.SINGLETM) {
1803 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1805 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1809 /* Output parameter list*/
1810 for(int i=0; i<objectparams.numPrimitives(); i++) {
1811 TempDescriptor temp=objectparams.getPrimitive(i);
1813 headersout.print(", ");
1815 if(state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1816 headersout.print("int " + temp.getSafeSymbol());
1817 } else if (temp.getType().isClass()||temp.getType().isArray())
1818 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1820 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1822 headersout.println(");\n");
1826 /** This function outputs (1) structures that parameters are
1827 * passed in (when PRECISE GC is enabled) and (2) function
1828 * prototypes for the tasks */
1830 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1831 /* Cycle through tasks */
1832 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1834 while(taskit.hasNext()) {
1835 /* Classify parameters */
1836 TaskDescriptor task=(TaskDescriptor)taskit.next();
1837 FlatMethod fm=state.getMethodFlat(task);
1838 generateTempStructs(fm, null);
1840 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1841 TempObject objecttemps=(TempObject) tempstable.get(task);
1843 /* Output parameter structure */
1844 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1845 output.println("struct "+task.getSafeSymbol()+"_params {");
1846 output.println(" int size;");
1847 output.println(" void * next;");
1848 for(int i=0; i<objectparams.numPointers(); i++) {
1849 TempDescriptor temp=objectparams.getPointer(i);
1850 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1853 output.println("};\n");
1854 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1855 maxtaskparams=objectparams.numPointers()+fm.numTags();
1859 /* Output temp structure */
1860 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1861 output.println("struct "+task.getSafeSymbol()+"_locals {");
1862 output.println(" int size;");
1863 output.println(" void * next;");
1864 for(int i=0; i<objecttemps.numPointers(); i++) {
1865 TempDescriptor temp=objecttemps.getPointer(i);
1866 if (temp.getType().isNull())
1867 output.println(" void * "+temp.getSafeSymbol()+";");
1868 else if(temp.getType().isTag())
1869 output.println(" struct "+
1870 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1872 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1874 output.println("};\n");
1877 /* Output task declaration */
1878 headersout.print("void " + task.getSafeSymbol()+"(");
1880 boolean printcomma=false;
1881 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1882 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1884 headersout.print("void * parameterarray[]");
1885 headersout.println(");\n");
1889 /***** Generate code for FlatMethod fm. *****/
1891 Hashtable<FlatAtomicEnterNode, AtomicRecord> atomicmethodmap;
1892 static int atomicmethodcount=0;
1895 BranchAnalysis branchanalysis;
1896 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1897 if (State.PRINTFLAT)
1898 System.out.println(fm.printMethod());
1899 MethodDescriptor md=fm.getMethod();
1900 TaskDescriptor task=fm.getTask();
1901 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1902 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1904 HashSet<AtomicRecord> arset=null;
1905 branchanalysis=null;
1907 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
1909 if (atomicmethodmap==null)
1910 atomicmethodmap=new Hashtable<FlatAtomicEnterNode, AtomicRecord>();
1912 //fix these so we get right strings for local variables
1913 localsprefixaddr=localsprefix;
1914 localsprefixderef=localsprefix+"->";
1915 arset=new HashSet<AtomicRecord>();
1917 //build branchanalysis
1918 branchanalysis=new BranchAnalysis(locality, lb, delaycomp.getNotReady(lb), delaycomp.livecode(lb), state);
1920 //Generate commit methods here
1921 for(Iterator<FlatNode> fnit=fm.getNodeSet().iterator();fnit.hasNext();) {
1922 FlatNode fn=fnit.next();
1923 if (fn.kind()==FKind.FlatAtomicEnterNode&&
1924 locality.getAtomic(lb).get(fn.getPrev(0)).intValue()==0&&
1925 delaycomp.needsFission(lb, (FlatAtomicEnterNode) fn)) {
1926 //We have an atomic enter
1927 FlatAtomicEnterNode faen=(FlatAtomicEnterNode) fn;
1928 Set<FlatNode> exitset=faen.getExits();
1930 String methodname=md.getSymbol()+(atomicmethodcount++);
1931 AtomicRecord ar=new AtomicRecord();
1935 atomicmethodmap.put(faen, ar);
1937 //build data structure declaration
1938 output.println("struct atomicprimitives_"+methodname+" {");
1940 Set<FlatNode> recordset=delaycomp.livecode(lb);
1941 Set<TempDescriptor> liveinto=delaycomp.liveinto(lb, faen, recordset);
1942 Set<TempDescriptor> liveout=delaycomp.liveout(lb, faen);
1943 Set<TempDescriptor> liveoutvirtualread=delaycomp.liveoutvirtualread(lb, faen);
1945 ar.reallivein=new HashSet(liveinto);
1947 ar.liveoutvirtualread=liveoutvirtualread;
1950 for(Iterator<TempDescriptor> it=liveinto.iterator(); it.hasNext();) {
1951 TempDescriptor tmp=it.next();
1952 //remove the pointers
1953 if (tmp.getType().isPtr()) {
1956 //let's print it here
1957 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
1960 for(Iterator<TempDescriptor> it=liveout.iterator(); it.hasNext();) {
1961 TempDescriptor tmp=it.next();
1962 //remove the pointers
1963 if (tmp.getType().isPtr()) {
1965 } else if (!liveinto.contains(tmp)) {
1966 //let's print it here
1967 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
1970 output.println("};");
1972 //print out method name
1973 output.println("void "+methodname+"(struct "+ cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix+", struct "+ cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals *"+localsprefix+", struct atomicprimitives_"+methodname+" * primitives) {");
1974 //build code for commit method
1976 //first define local primitives
1977 Set<TempDescriptor> alltemps=delaycomp.alltemps(lb, faen, recordset);
1978 for(Iterator<TempDescriptor> tmpit=alltemps.iterator();tmpit.hasNext();) {
1979 TempDescriptor tmp=tmpit.next();
1980 if (!tmp.getType().isPtr()) {
1981 if (liveinto.contains(tmp)||liveoutvirtualread.contains(tmp)) {
1982 //read from live into set
1983 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+"=primitives->"+tmp.getSafeSymbol()+";");
1986 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
1990 //turn off write barrier generation
1992 state.SINGLETM=false;
1993 generateCode(faen, fm, lb, exitset, output, false);
1994 state.SINGLETM=true;
1995 //turn on write barrier generation
1997 output.println("}\n\n");
2001 //redefine these back to normal
2003 localsprefixaddr="&"+localsprefix;
2004 localsprefixderef=localsprefix+".";
2006 generateHeader(fm, lb, md!=null ? md : task,output);
2007 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
2009 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
2010 for(Iterator<AtomicRecord> arit=arset.iterator();arit.hasNext();) {
2011 AtomicRecord ar=arit.next();
2012 output.println("struct atomicprimitives_"+ar.name+" primitives_"+ar.name+";");
2016 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2017 if (md!=null&&(state.DSM||state.SINGLETM))
2018 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
2019 else if (md!=null&&!(state.DSM||state.SINGLETM))
2020 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
2022 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
2023 output.print(objecttemp.numPointers()+",");
2024 output.print(paramsprefix);
2025 for(int j=0; j<objecttemp.numPointers(); j++)
2026 output.print(", NULL");
2027 output.println("};");
2030 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2031 TempDescriptor td=objecttemp.getPrimitive(i);
2032 TypeDescriptor type=td.getType();
2033 if (type.isNull() && !type.isArray())
2034 output.println(" void * "+td.getSafeSymbol()+";");
2035 else if (state.MGC && type.isClass() && type.getClassDesc().isEnum()) {
2036 output.println(" int " + td.getSafeSymbol() + ";");
2037 } else if (type.isClass()||type.isArray())
2038 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2040 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2045 additionalCodeAtTopFlatMethodBody( output, fm );
2049 /* Check to see if we need to do a GC if this is a
2050 * multi-threaded program...*/
2052 if (((state.OOOJAVA||state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC)
2053 || this.state.MULTICOREGC) {
2054 //Don't bother if we aren't in recursive methods...The loops case will catch it
2055 if (callgraph.getAllMethods(md).contains(md)) {
2056 if (state.DSM&&lb.isAtomic())
2057 output.println("if (needtocollect) checkcollect2("+localsprefixaddr+");");
2058 else if (this.state.MULTICOREGC) {
2059 output.println("if(gcflag) gc("+localsprefixaddr+");");
2061 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2067 // TODO add version for normal Java later
2068 if(fm.getMethod().isStaticBlock()) {
2069 // a static block, check if it has been executed
2070 output.println(" if(global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
2071 output.println(" return;");
2072 output.println(" }");
2075 if((!fm.getMethod().isStaticBlock()) && (fm.getMethod().getReturnType() == null) && (cn != null)){
2076 // is a constructor, check and output initialization of the static fields
2077 // here does not initialize the static fields of the class, instead it
2078 // redirect the corresponding fields in the object to the global_defs_p
2079 Vector fields=cn.getFieldVec();
2081 for(int i=0; i<fields.size(); i++) {
2082 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
2085 output.println(generateTemp(fm,fm.getParameter(0),lb)+"->"+cn.getSafeSymbol()+fd.getSafeSymbol()+"=&(global_defs_p->"+fd.getClassDescriptor().getSafeSymbol()+fd.getSafeSymbol()+");");
2091 generateCode(fm.getNext(0), fm, lb, null, output, true);
2093 output.println("}\n\n");
2098 protected void generateCode(FlatNode first,
2101 Set<FlatNode> stopset,
2103 boolean firstpass) {
2105 /* Assign labels to FlatNode's if necessary.*/
2107 Hashtable<FlatNode, Integer> nodetolabel;
2109 if (state.DELAYCOMP&&!firstpass)
2110 nodetolabel=dcassignLabels(first, stopset);
2112 nodetolabel=assignLabels(first, stopset);
2114 Set<FlatNode> storeset=null;
2115 HashSet<FlatNode> genset=null;
2116 HashSet<FlatNode> refset=null;
2117 Set<FlatNode> unionset=null;
2119 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
2120 storeset=delaycomp.livecode(lb);
2121 genset=new HashSet<FlatNode>();
2122 if (state.STMARRAY&&!state.DUALVIEW) {
2123 refset=new HashSet<FlatNode>();
2124 refset.addAll(delaycomp.getDeref(lb));
2125 refset.removeAll(delaycomp.getCannotDelay(lb));
2126 refset.removeAll(delaycomp.getOther(lb));
2129 genset.addAll(delaycomp.getCannotDelay(lb));
2130 genset.addAll(delaycomp.getOther(lb));
2132 genset.addAll(delaycomp.getNotReady(lb));
2133 if (state.STMARRAY&&!state.DUALVIEW) {
2134 genset.removeAll(refset);
2137 unionset=new HashSet<FlatNode>();
2138 unionset.addAll(storeset);
2139 unionset.addAll(genset);
2140 if (state.STMARRAY&&!state.DUALVIEW)
2141 unionset.addAll(refset);
2144 /* Do the actual code generation */
2145 FlatNode current_node=null;
2146 HashSet tovisit=new HashSet();
2147 HashSet visited=new HashSet();
2149 tovisit.add(first.getNext(0));
2152 while(current_node!=null||!tovisit.isEmpty()) {
2153 if (current_node==null) {
2154 current_node=(FlatNode)tovisit.iterator().next();
2155 tovisit.remove(current_node);
2156 } else if (tovisit.contains(current_node)) {
2157 tovisit.remove(current_node);
2159 visited.add(current_node);
2160 if (nodetolabel.containsKey(current_node)) {
2161 output.println("L"+nodetolabel.get(current_node)+":");
2163 if (state.INSTRUCTIONFAILURE) {
2164 if (state.THREAD||state.DSM||state.SINGLETM) {
2165 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2167 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2169 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2171 if (!state.DELAYCOMP||firstpass) {
2172 generateFlatNode(fm, lb, current_node, output);
2174 //store primitive variables in out set
2175 AtomicRecord ar=atomicmethodmap.get((FlatAtomicEnterNode)first);
2176 Set<TempDescriptor> liveout=ar.liveout;
2177 for(Iterator<TempDescriptor> tmpit=liveout.iterator();tmpit.hasNext();) {
2178 TempDescriptor tmp=tmpit.next();
2179 output.println("primitives->"+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
2182 if (state.OOOJAVA && stopset!=null) {
2183 assert first.getPrev( 0 ) instanceof FlatSESEEnterNode;
2184 assert current_node instanceof FlatSESEExitNode;
2185 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev( 0 );
2186 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2187 assert fsen.getFlatExit().equals( fsxn );
2188 assert fsxn.getFlatEnter().equals( fsen );
2190 if (current_node.kind()!=FKind.FlatReturnNode) {
2192 // TODO add version for normal Java later
2193 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2194 // a static block, check if it has been executed
2195 output.println(" global_defs_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2199 output.println(" return;");
2202 } else if(current_node.numNext()==1) {
2204 if (state.OOOJAVA &&
2205 current_node.kind()==FKind.FlatSESEEnterNode
2207 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2208 generateFlatNode(fm, lb, current_node, output);
2209 nextnode=fsen.getFlatExit().getNext(0);
2210 } else if (state.DELAYCOMP) {
2211 boolean specialprimitive=false;
2212 //skip literals...no need to add extra overhead
2213 if (storeset!=null&&storeset.contains(current_node)&¤t_node.kind()==FKind.FlatLiteralNode) {
2214 TypeDescriptor typedesc=((FlatLiteralNode)current_node).getType();
2215 if (!typedesc.isClass()&&!typedesc.isArray()) {
2216 specialprimitive=true;
2220 if (genset==null||genset.contains(current_node)||specialprimitive)
2221 generateFlatNode(fm, lb, current_node, output);
2222 if (state.STMARRAY&&!state.DUALVIEW&&refset!=null&&refset.contains(current_node)) {
2223 //need to acquire lock
2224 handleArrayDeref(fm, lb, current_node, output, firstpass);
2226 if (storeset!=null&&storeset.contains(current_node)&&!specialprimitive) {
2227 TempDescriptor wrtmp=current_node.writesTemps()[0];
2229 //need to store value written by previous node
2230 if (wrtmp.getType().isPtr()) {
2231 //only lock the objects that may actually need locking
2232 if (recorddc.getNeedTrans(lb, current_node)&&
2233 (!state.STMARRAY||state.DUALVIEW||!wrtmp.getType().isArray()||
2234 wrtmp.getType().getSymbol().equals(TypeUtil.ObjectClass))) {
2235 output.println("STOREPTR("+generateTemp(fm, wrtmp,lb)+");/* "+current_node.nodeid+" */");
2237 output.println("STOREPTRNOLOCK("+generateTemp(fm, wrtmp,lb)+");/* "+current_node.nodeid+" */");
2240 output.println("STORE"+wrtmp.getType().getSafeDescriptor()+"("+generateTemp(fm, wrtmp, lb)+");/* "+current_node.nodeid+" */");
2243 //need to read value read by previous node
2244 if (wrtmp.getType().isPtr()) {
2245 output.println("RESTOREPTR("+generateTemp(fm, wrtmp,lb)+");/* "+current_node.nodeid+" */");
2247 output.println("RESTORE"+wrtmp.getType().getSafeDescriptor()+"("+generateTemp(fm, wrtmp, lb)+"); /* "+current_node.nodeid+" */");
2251 nextnode=current_node.getNext(0);
2254 generateFlatNode(fm, lb, current_node, output);
2255 nextnode=current_node.getNext(0);
2257 if (visited.contains(nextnode)) {
2258 output.println("goto L"+nodetolabel.get(nextnode)+";");
2261 current_node=nextnode;
2262 } else if (current_node.numNext()==2) {
2264 if (state.DELAYCOMP) {
2265 boolean computeside=false;
2267 //need to record which way it should go
2268 if (genset==null||genset.contains(current_node)) {
2269 if (storeset!=null&&storeset.contains(current_node)) {
2270 //need to store which way branch goes
2271 generateStoreFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2273 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2275 //which side to execute
2279 if (genset.contains(current_node)) {
2280 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2281 } else if (storeset.contains(current_node)) {
2283 branchanalysis.generateGroupCode(current_node, output, nodetolabel);
2285 //which side to execute
2290 Set<FlatNode> leftset=DelayComputation.getNext(current_node, 0, unionset, lb,locality, true);
2292 if (leftset.size()==0)
2294 if (visited.contains(current_node.getNext(branch))) {
2295 //already visited -- build jump
2296 output.println("goto L"+nodetolabel.get(current_node.getNext(branch))+";");
2299 current_node=current_node.getNext(branch);
2302 if (!visited.contains(current_node.getNext(1)))
2303 tovisit.add(current_node.getNext(1));
2304 if (visited.contains(current_node.getNext(0))) {
2305 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2308 current_node=current_node.getNext(0);
2312 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2313 if (!visited.contains(current_node.getNext(1)))
2314 tovisit.add(current_node.getNext(1));
2315 if (visited.contains(current_node.getNext(0))) {
2316 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2319 current_node=current_node.getNext(0);
2321 } else throw new Error();
2325 protected void handleArrayDeref(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output, boolean firstpass) {
2326 if (fn.kind()==FKind.FlatSetElementNode) {
2327 FlatSetElementNode fsen=(FlatSetElementNode) fn;
2328 String dst=generateTemp(fm, fsen.getDst(), lb);
2329 String src=generateTemp(fm, fsen.getSrc(), lb);
2330 String index=generateTemp(fm, fsen.getIndex(), lb);
2331 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2333 if (elementtype.isArray()||elementtype.isClass())
2336 type=elementtype.getSafeSymbol()+" ";
2338 output.println("STOREARRAY("+dst+","+index+","+type+")");
2340 output.println("{");
2341 output.println(" struct ArrayObject *array;");
2342 output.println(" int index;");
2343 output.println(" RESTOREARRAY(array,index);");
2344 output.println(" (("+type+"*)(((char *)&array->___length___)+sizeof(int)))[index]="+src+";");
2345 output.println("}");
2347 } else if (fn.kind()==FKind.FlatElementNode) {
2348 FlatElementNode fen=(FlatElementNode) fn;
2349 String src=generateTemp(fm, fen.getSrc(), lb);
2350 String index=generateTemp(fm, fen.getIndex(), lb);
2351 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2352 String dst=generateTemp(fm, fen.getDst(), lb);
2354 if (elementtype.isArray()||elementtype.isClass())
2357 type=elementtype.getSafeSymbol()+" ";
2359 output.println("STOREARRAY("+src+","+index+","+type+")");
2361 output.println("{");
2362 output.println(" struct ArrayObject *array;");
2363 output.println(" int index;");
2364 output.println(" RESTOREARRAY(array,index);");
2365 output.println(" "+dst+"=(("+type+"*)(((char *)&array->___length___)+sizeof(int)))[index];");
2366 output.println("}");
2370 /** Special label assignment for delaycomputation */
2371 protected Hashtable<FlatNode, Integer> dcassignLabels(FlatNode first, Set<FlatNode> lastset) {
2372 HashSet tovisit=new HashSet();
2373 HashSet visited=new HashSet();
2375 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2377 //Label targets of branches
2378 Set<FlatNode> targets=branchanalysis.getTargets();
2379 for(Iterator<FlatNode> it=targets.iterator();it.hasNext();) {
2380 nodetolabel.put(it.next(), new Integer(labelindex++));
2385 /*Assign labels first. A node needs a label if the previous
2386 * node has two exits or this node is a join point. */
2388 while(!tovisit.isEmpty()) {
2389 FlatNode fn=(FlatNode)tovisit.iterator().next();
2394 if(lastset!=null&&lastset.contains(fn)) {
2395 // if last is not null and matches, don't go
2396 // any further for assigning labels
2400 for(int i=0; i<fn.numNext(); i++) {
2401 FlatNode nn=fn.getNext(i);
2404 //1) Edge >1 of node
2405 nodetolabel.put(nn,new Integer(labelindex++));
2407 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2411 nodetolabel.put(nn,new Integer(labelindex++));
2419 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first) {
2420 return assignLabels(first, null);
2423 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2424 HashSet tovisit=new HashSet();
2425 HashSet visited=new HashSet();
2427 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2430 /*Assign labels first. A node needs a label if the previous
2431 * node has two exits or this node is a join point. */
2433 while(!tovisit.isEmpty()) {
2434 FlatNode fn=(FlatNode)tovisit.iterator().next();
2439 if(lastset!=null&&lastset.contains(fn)) {
2440 // if last is not null and matches, don't go
2441 // any further for assigning labels
2445 for(int i=0; i<fn.numNext(); i++) {
2446 FlatNode nn=fn.getNext(i);
2449 //1) Edge >1 of node
2450 nodetolabel.put(nn,new Integer(labelindex++));
2452 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2456 nodetolabel.put(nn,new Integer(labelindex++));
2464 /** Generate text string that corresponds to the TempDescriptor td. */
2465 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
2466 MethodDescriptor md=fm.getMethod();
2467 TaskDescriptor task=fm.getTask();
2468 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
2470 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2471 return td.getSafeSymbol();
2474 if (objecttemps.isLocalPtr(td)) {
2475 return localsprefixderef+td.getSafeSymbol();
2478 if (objecttemps.isParamPtr(td)) {
2479 return paramsprefix+"->"+td.getSafeSymbol();
2487 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
2490 additionalCodePreNode( fm, lb, fn, output );
2494 case FKind.FlatAtomicEnterNode:
2495 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
2498 case FKind.FlatAtomicExitNode:
2499 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
2502 case FKind.FlatInstanceOfNode:
2503 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
2506 case FKind.FlatSESEEnterNode:
2507 generateFlatSESEEnterNode(fm, lb, (FlatSESEEnterNode)fn, output);
2510 case FKind.FlatSESEExitNode:
2511 generateFlatSESEExitNode(fm, lb, (FlatSESEExitNode)fn, output);
2514 case FKind.FlatWriteDynamicVarNode:
2515 generateFlatWriteDynamicVarNode(fm, lb, (FlatWriteDynamicVarNode)fn, output);
2518 case FKind.FlatGlobalConvNode:
2519 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
2522 case FKind.FlatTagDeclaration:
2523 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
2526 case FKind.FlatCall:
2527 generateFlatCall(fm, lb, (FlatCall) fn,output);
2530 case FKind.FlatFieldNode:
2531 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
2534 case FKind.FlatElementNode:
2535 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
2538 case FKind.FlatSetElementNode:
2539 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
2542 case FKind.FlatSetFieldNode:
2543 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
2547 generateFlatNew(fm, lb, (FlatNew) fn,output);
2550 case FKind.FlatOpNode:
2551 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
2554 case FKind.FlatCastNode:
2555 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
2558 case FKind.FlatLiteralNode:
2559 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
2562 case FKind.FlatReturnNode:
2563 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
2567 output.println("/* nop */");
2570 case FKind.FlatGenReachNode:
2571 // this node is just for generating a reach graph
2572 // in disjointness analysis at a particular program point
2575 case FKind.FlatExit:
2576 output.println("/* exit */");
2579 case FKind.FlatBackEdge:
2580 if (state.SINGLETM&&state.SANDBOX&&(locality.getAtomic(lb).get(fn).intValue()>0)) {
2581 output.println("if (unlikely((--transaction_check_counter)<=0)) checkObjects();");
2583 if(state.DSM&&state.SANDBOX&&(locality.getAtomic(lb).get(fn).intValue()>0)) {
2584 output.println("if (unlikely((--transaction_check_counter)<=0)) checkObjects();");
2586 if (((state.OOOJAVA||state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC)
2587 || (this.state.MULTICOREGC)) {
2588 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
2589 output.println("if (needtocollect) checkcollect2("+localsprefixaddr+");");
2590 } else if(this.state.MULTICOREGC) {
2591 output.println("if (gcflag) gc("+localsprefixaddr+");");
2593 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2596 output.println("/* nop */");
2599 case FKind.FlatCheckNode:
2600 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
2603 case FKind.FlatFlagActionNode:
2604 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
2607 case FKind.FlatPrefetchNode:
2608 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
2611 case FKind.FlatOffsetNode:
2612 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
2620 additionalCodePostNode( fm, lb, fn, output );
2623 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
2624 output.println("/* FlatOffsetNode */");
2625 FieldDescriptor fd=fofn.getField();
2626 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2627 (fd.getClassDescriptor()==null?"":fd.getClassDescriptor().getSafeSymbol()) + fd.getSafeSymbol()+");");
2628 output.println("/* offset */");
2631 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
2632 if (state.PREFETCH) {
2633 Vector oids = new Vector();
2634 Vector fieldoffset = new Vector();
2635 Vector endoffset = new Vector();
2636 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
2637 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
2638 PrefetchPair pp = (PrefetchPair) it.next();
2639 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
2640 /* Find prefetches that can generate oid */
2641 if(statusbase == LocalityAnalysis.GLOBAL) {
2642 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
2644 } else if (statusbase == LocalityAnalysis.LOCAL) {
2645 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
2652 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
2653 output.println("{");
2654 output.println("/* prefetch */");
2655 output.println("/* prefetchid_" + fpn.siteid + " */");
2656 output.println("void * prefptr;");
2657 output.println("int tmpindex;");
2659 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
2660 /*Create C code for oid array */
2661 output.print(" unsigned int oidarray_[] = {");
2662 boolean needcomma=false;
2663 for (Iterator it = oids.iterator(); it.hasNext();) {
2666 output.print(it.next());
2669 output.println("};");
2671 /*Create C code for endoffset values */
2672 output.print(" unsigned short endoffsetarry_[] = {");
2674 for (Iterator it = endoffset.iterator(); it.hasNext();) {
2677 output.print(it.next());
2680 output.println("};");
2682 /*Create C code for Field Offset Values */
2683 output.print(" short fieldarry_[] = {");
2685 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
2688 output.print(it.next());
2691 output.println("};");
2692 /* make the prefetch call to Runtime */
2693 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
2694 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
2695 output.println(" }");
2696 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
2697 output.println(" } else {");
2698 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
2699 output.println(" }");
2700 output.println("}");
2704 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
2705 short offsetcount = 0;
2709 } else if (localbase) {
2710 for(; breakindex<pp.desc.size(); breakindex++) {
2711 Descriptor desc=pp.getDescAt(breakindex);
2712 if (desc instanceof FieldDescriptor) {
2713 FieldDescriptor fd=(FieldDescriptor)desc;
2714 if (fd.isGlobal()) {
2722 if (breakindex>pp.desc.size()) //all local
2725 TypeDescriptor lasttype=pp.base.getType();
2726 String basestr=generateTemp(fm, pp.base, lb);
2728 boolean maybenull=fm.getMethod().isStatic()||
2729 !pp.base.equals(fm.getParameter(0));
2731 for(int i=0; i<breakindex; i++) {
2732 String indexcheck="";
2734 Descriptor desc=pp.getDescAt(i);
2735 if (desc instanceof FieldDescriptor) {
2736 FieldDescriptor fd=(FieldDescriptor)desc;
2738 if (!teststr.equals(""))
2740 teststr+="((prefptr="+basestr+")!=NULL)";
2741 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+
2742 (fd.getClassDescriptor()==null?"":fd.getClassDescriptor().getSafeSymbol())+fd.getSafeSymbol();
2744 basestr=basestr+"->"+
2745 (fd.getClassDescriptor()==null?"":fd.getClassDescriptor().getSafeSymbol())+fd.getSafeSymbol();
2748 lasttype=fd.getType();
2750 IndexDescriptor id=(IndexDescriptor)desc;
2751 indexcheck="((tmpindex=";
2752 for(int j=0; j<id.tddesc.size(); j++) {
2753 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
2755 indexcheck+=id.offset+")>=0)&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
2757 if (!teststr.equals(""))
2759 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
2760 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
2762 lasttype=lasttype.dereference();
2767 if (teststr.equals("")) {
2768 oid="((unsigned int)"+basestr+")";
2770 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
2774 for(int i = breakindex; i < pp.desc.size(); i++) {
2775 String newfieldoffset;
2776 Object desc = pp.getDescAt(i);
2777 if(desc instanceof FieldDescriptor) {
2778 FieldDescriptor fd=(FieldDescriptor)desc;
2779 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+
2780 (fd.getClassDescriptor()==null?"":fd.getClassDescriptor().getSafeSymbol()) + fd.getSafeSymbol()+ "))");
2781 lasttype=fd.getType();
2783 newfieldoffset = "";
2784 IndexDescriptor id=(IndexDescriptor)desc;
2785 for(int j = 0; j < id.tddesc.size(); j++) {
2786 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
2788 newfieldoffset += id.offset.toString();
2789 lasttype=lasttype.dereference();
2791 fieldoffset.add(newfieldoffset);
2794 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
2795 base+=pp.desc.size()-breakindex;
2796 endoffset.add(new Short((short)base));
2801 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
2802 if (lb!=fgcn.getLocality())
2804 /* Have to generate flat globalconv */
2805 if (fgcn.getMakePtr()) {
2807 //DEBUG: output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+",\" "+fm+":"+fgcn+"\");");
2808 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
2810 if ((dc==null)||!state.READSET&&dc.getNeedTrans(lb, fgcn)||state.READSET&&dc.getNeedWriteTrans(lb, fgcn)) {
2811 //need to do translation
2812 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+", (void *)("+localsprefixaddr+"));");
2813 } else if (state.READSET&&dc.getNeedTrans(lb, fgcn)) {
2814 if (state.HYBRID&&delaycomp.getConv(lb).contains(fgcn)) {
2815 output.println("TRANSREADRDFISSION("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+");");
2817 output.println("TRANSREADRD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+");");
2821 /* Need to convert to OID */
2822 if ((dc==null)||dc.getNeedSrcTrans(lb,fgcn)) {
2823 if (fgcn.doConvert()||(delaycomp!=null&&delaycomp.needsFission(lb, fgcn.getAtomicEnter())&&atomicmethodmap.get(fgcn.getAtomicEnter()).reallivein.contains(fgcn.getSrc()))) {
2824 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
2826 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
2832 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
2834 if (fion.getType().isArray()) {
2835 type=state.getArrayNumber(fion.getType())+state.numClasses();
2837 type=fion.getType().getClassDesc().getId();
2840 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2841 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
2843 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
2846 int sandboxcounter=0;
2847 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
2848 /* Check to see if we need to generate code for this atomic */
2849 if (locality==null) {
2850 if (GENERATEPRECISEGC) {
2851 output.println("if (pthread_mutex_trylock(&atomiclock)!=0) {");
2852 output.println("stopforgc((struct garbagelist *) &___locals___);");
2853 output.println("pthread_mutex_lock(&atomiclock);");
2854 output.println("restartaftergc();");
2855 output.println("}");
2857 output.println("pthread_mutex_lock(&atomiclock);");
2862 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
2866 if (state.SANDBOX) {
2867 outsandbox.println("int atomiccounter"+sandboxcounter+"=LOW_CHECK_FREQUENCY;");
2868 output.println("counter_reset_pointer=&atomiccounter"+sandboxcounter+";");
2871 if (state.DELAYCOMP&&delaycomp.needsFission(lb, faen)) {
2872 AtomicRecord ar=atomicmethodmap.get(faen);
2874 for(Iterator<TempDescriptor> tmpit=ar.livein.iterator();tmpit.hasNext();) {
2875 TempDescriptor tmp=tmpit.next();
2876 output.println("primitives_"+ar.name+"."+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
2879 //copy outs that depend on path
2880 for(Iterator<TempDescriptor> tmpit=ar.liveoutvirtualread.iterator();tmpit.hasNext();) {
2881 TempDescriptor tmp=tmpit.next();
2882 if (!ar.livein.contains(tmp))
2883 output.println("primitives_"+ar.name+"."+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
2887 /* Backup the temps. */
2888 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2889 TempDescriptor tmp=tmpit.next();
2890 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
2893 output.println("goto transstart"+faen.getIdentifier()+";");
2895 /******* Print code to retry aborted transaction *******/
2896 output.println("transretry"+faen.getIdentifier()+":");
2899 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2900 TempDescriptor tmp=tmpit.next();
2901 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
2905 /********* Need to revert local object store ********/
2906 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2908 output.println("while ("+revertptr+") {");
2909 output.println("struct ___Object___ * tmpptr;");
2910 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2911 output.println("REVERT_OBJ("+revertptr+");");
2912 output.println(revertptr+"=tmpptr;");
2913 output.println("}");
2915 /******* Tell the runtime to start the transaction *******/
2917 output.println("transstart"+faen.getIdentifier()+":");
2918 if (state.SANDBOX) {
2919 output.println("transaction_check_counter=*counter_reset_pointer;");
2922 output.println("transStart();");
2924 if (state.ABORTREADERS||state.SANDBOX) {
2926 output.println("abortenabled=1;");
2927 output.println("if (_setjmp(aborttrans)) {");
2928 output.println(" goto transretry"+faen.getIdentifier()+"; }");
2932 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
2933 /* Check to see if we need to generate code for this atomic */
2934 if (locality==null) {
2935 output.println("pthread_mutex_unlock(&atomiclock);");
2938 if (locality.getAtomic(lb).get(faen).intValue()>0)
2940 //store the revert list before we lose the transaction object
2943 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2944 output.println(revertptr+"=revertlist;");
2945 output.println("if (transCommit()) {");
2946 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2947 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2948 output.println("} else {");
2949 /* Need to commit local object store */
2950 output.println("while ("+revertptr+") {");
2951 output.println("struct ___Object___ * tmpptr;");
2952 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2953 output.println("COMMIT_OBJ("+revertptr+");");
2954 output.println(revertptr+"=tmpptr;");
2955 output.println("}");
2956 output.println("}");
2960 if (!state.DELAYCOMP) {
2962 output.println("if (transCommit()) {");
2963 /* Transaction aborts if it returns true */
2964 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2965 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2966 output.println("}");
2968 if (delaycomp.optimizeTrans(lb, faen.getAtomicEnter())&&(!state.STMARRAY||state.DUALVIEW)) {
2969 AtomicRecord ar=atomicmethodmap.get(faen.getAtomicEnter());
2970 output.println("LIGHTWEIGHTCOMMIT("+ar.name+", &primitives_"+ar.name+", &"+localsprefix+", "+paramsprefix+", transretry"+faen.getAtomicEnter().getIdentifier()+");");
2972 for(Iterator<TempDescriptor> tmpit=ar.liveout.iterator();tmpit.hasNext();) {
2973 TempDescriptor tmp=tmpit.next();
2974 output.println(tmp.getSafeSymbol()+"=primitives_"+ar.name+"."+tmp.getSafeSymbol()+";");
2976 } else if (delaycomp.needsFission(lb, faen.getAtomicEnter())) {
2977 AtomicRecord ar=atomicmethodmap.get(faen.getAtomicEnter());
2979 output.println("if (transCommit((void (*)(void *, void *, void *))&"+ar.name+", &primitives_"+ar.name+", &"+localsprefix+", "+paramsprefix+")) {");
2980 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2981 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2982 output.println("}");
2984 output.println("else {");
2985 for(Iterator<TempDescriptor> tmpit=ar.liveout.iterator();tmpit.hasNext();) {
2986 TempDescriptor tmp=tmpit.next();
2987 output.println(tmp.getSafeSymbol()+"=primitives_"+ar.name+"."+tmp.getSafeSymbol()+";");
2989 output.println("}");
2991 output.println("if (transCommit(NULL, NULL, NULL, NULL)) {");
2992 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2993 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2994 output.println("}");
2999 public void generateFlatSESEEnterNode( FlatMethod fm,
3001 FlatSESEEnterNode fsen,
3002 PrintWriter output) {
3003 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
3004 // just skip over them and code generates exactly the same
3007 public void generateFlatSESEExitNode( FlatMethod fm,
3009 FlatSESEExitNode fsexn,
3010 PrintWriter output) {
3011 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
3012 // just skip over them and code generates exactly the same
3015 public void generateFlatWriteDynamicVarNode( FlatMethod fm,
3017 FlatWriteDynamicVarNode fwdvn,
3020 if( !state.OOOJAVA ) {
3021 // should node should not be in an IR graph if the
3022 // OOOJAVA flag is not set
3023 throw new Error("Unexpected presence of FlatWriteDynamicVarNode");
3028 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
3029 if (state.CONSCHECK) {
3030 String specname=fcn.getSpec();
3031 String varname="repairstate___";
3032 output.println("{");
3033 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
3035 TempDescriptor[] temps=fcn.getTemps();
3036 String[] vars=fcn.getVars();
3037 for(int i=0; i<temps.length; i++) {
3038 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
3041 output.println("if (doanalysis"+specname+"("+varname+")) {");
3042 output.println("free"+specname+"_state("+varname+");");
3043 output.println("} else {");
3044 output.println("/* Bad invariant */");
3045 output.println("free"+specname+"_state("+varname+");");
3046 output.println("abort_task();");
3047 output.println("}");
3048 output.println("}");
3052 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
3054 MethodDescriptor md=fc.getMethod();
3055 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? locality.getBinding(lb, fc) : md);
3056 ClassDescriptor cn=md.getClassDesc();
3058 // if the called method is a static block or a static method or a constructor
3059 // need to check if it can be invoked inside some static block
3061 // TODO add version for normal Java later
3062 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
3063 ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic()))) {
3064 if(!md.isInvokedByStatic()) {
3065 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
3067 // is a static block or is invoked in some static block
3068 ClassDescriptor cd = fm.getMethod().getClassDesc();
3070 // the same class, do nothing
3071 // TODO may want to invoke static field initialization here
3073 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
3074 // need to check if the class' static fields have been initialized and/or
3075 // its static blocks have been executed
3076 output.println("#ifdef MGC_STATIC_INIT_CHECK");
3077 output.println("if(global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
3078 if(cn.getNumStaticBlocks() != 0) {
3079 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
3080 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
3082 output.println(" global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
3084 output.println("}");
3085 output.println("#endif // MGC_STATIC_INIT_CHECK");
3089 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
3090 // call MonitorEnter/MonitorExit on a class obj
3091 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
3092 +md.getSafeMethodDescriptor() + "((struct ___Object___*)(&global_defs_p->"
3093 + fc.getThis().getType().getClassDesc().getSafeSymbol() +"classobj));");
3098 output.println("{");
3099 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3101 LocalityBinding fclb=locality.getBinding(lb, fc);
3102 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
3104 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
3105 output.print(objectparams.numPointers());
3106 output.print(", "+localsprefixaddr);
3107 if (md.getThis()!=null) {
3109 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
3111 if (fc.getThis()!=null&&md.getThis()==null) {
3112 System.out.println("WARNING!!!!!!!!!!!!");
3113 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
3117 for(int i=0; i<fc.numArgs(); i++) {
3118 Descriptor var=md.getParameter(i);
3119 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
3120 if (objectparams.isParamPtr(paramtemp)) {
3121 TempDescriptor targ=fc.getArg(i);
3123 TypeDescriptor td=md.getParamType(i);
3125 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
3127 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
3130 output.println("};");
3135 if (fc.getReturnTemp()!=null)
3136 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
3138 /* Do we need to do virtual dispatch? */
3139 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
3142 LocalityBinding fclb=locality.getBinding(lb, fc);
3143 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
3145 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
3150 if (state.MGC && md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
3151 output.print("int ");
3152 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
3153 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
3155 output.print(md.getReturnType().getSafeSymbol()+" ");
3156 output.print("(*)(");
3158 boolean printcomma=false;
3159 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3161 LocalityBinding fclb=locality.getBinding(lb, fc);
3162 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
3164 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
3168 for(int i=0; i<objectparams.numPrimitives(); i++) {
3169 TempDescriptor temp=objectparams.getPrimitive(i);
3173 if (state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3174 output.print("int ");
3175 } else if (temp.getType().isClass()||temp.getType().isArray())
3176 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
3178 output.print(temp.getType().getSafeSymbol());
3183 LocalityBinding fclb=locality.getBinding(lb, fc);
3184 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
3186 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
3190 boolean needcomma=false;
3191 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3192 output.print("&__parameterlist__");
3196 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
3197 if (fc.getThis()!=null) {
3198 TypeDescriptor ptd=null;
3199 if(md.getThis() != null) {
3200 ptd = md.getThis().getType();
3202 ptd = fc.getThis().getType();
3206 if(state.MGC && ptd.isClass() && ptd.getClassDesc().isEnum()) {
3208 } else if (ptd.isClass()&&!ptd.isArray())
3209 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
3210 output.print(generateTemp(fm,fc.getThis(),lb));
3215 for(int i=0; i<fc.numArgs(); i++) {
3216 Descriptor var=md.getParameter(i);
3217 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
3218 if (objectparams.isParamPrim(paramtemp)) {
3219 TempDescriptor targ=fc.getArg(i);
3223 TypeDescriptor ptd=md.getParamType(i);
3224 if (state.MGC && ptd.isClass() && ptd.getClassDesc().isEnum()) {
3226 } else if (ptd.isClass()&&!ptd.isArray())
3227 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
3228 output.print(generateTemp(fm, targ,lb));
3232 output.println(");");
3233 output.println(" }");
3236 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
3237 Set subclasses=typeutil.getSubClasses(thiscd);
3238 if (subclasses==null)
3240 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
3241 ClassDescriptor cd=(ClassDescriptor)classit.next();
3242 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
3243 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
3244 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
3245 if (md.matches(matchmd))
3252 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
3253 if (state.SINGLETM) {
3254 //single machine transactional memory case
3255 String field=(ffn.getField().getClassDescriptor()==null?"":ffn.getField().getClassDescriptor().getSafeSymbol()) + ffn.getField().getSafeSymbol();
3256 String src=generateTemp(fm, ffn.getSrc(),lb);
3257 String dst=generateTemp(fm, ffn.getDst(),lb);
3259 output.println(dst+"="+ src +"->"+field+ ";");
3260 if (ffn.getField().getType().isPtr()&&locality.getAtomic(lb).get(ffn).intValue()>0&&
3261 locality.getNodePreTempInfo(lb, ffn).get(ffn.getSrc())!=LocalityAnalysis.SCRATCH) {
3262 if ((dc==null)||(!state.READSET&&dc.getNeedTrans(lb, ffn))||
3263 (state.READSET&&dc.getNeedWriteTrans(lb, ffn))) {
3264 output.println("TRANSREAD("+dst+", "+dst+", (void *) (" + localsprefixaddr + "));");
3265 } else if (state.READSET&&dc.getNeedTrans(lb, ffn)) {
3266 if (state.HYBRID&&delaycomp.getConv(lb).contains(ffn)) {
3267 output.println("TRANSREADRDFISSION("+dst+", "+dst+");");
3269 output.println("TRANSREADRD("+dst+", "+dst+");");
3272 } else if (state.DSM) {
3273 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
3274 if (status==LocalityAnalysis.GLOBAL) {
3275 String field=(ffn.getField().getClassDescriptor()==null?"":ffn.getField().getClassDescriptor().getSafeSymbol()) + ffn.getField().getSafeSymbol();
3276 String src=generateTemp(fm, ffn.getSrc(),lb);
3277 String dst=generateTemp(fm, ffn.getDst(),lb);
3279 if (ffn.getField().getType().isPtr()) {
3281 //TODO: Uncomment this when we have runtime support
3282 //if (ffn.getSrc()==ffn.getDst()) {
3283 //output.println("{");
3284 //output.println("void * temp="+src+";");
3285 //output.println("if (temp&0x1) {");
3286 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
3287 //output.println(src+"->"+field+"="+temp+";");
3288 //output.println("}");
3289 //output.println(dst+"=temp;");
3290 //output.println("}");
3292 output.println(dst+"="+ src +"->"+field+ ";");
3293 //output.println("if ("+dst+"&0x1) {");
3294 //DEBUG: output.println("TRANSREAD("+dst+", (unsigned int) "+dst+",\""+fm+":"+ffn+"\");");
3295 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
3296 //output.println(src+"->"+field+"="+src+"->"+field+";");
3297 //output.println("}");
3300 output.println(dst+"="+ src+"->"+field+";");
3302 } else if (status==LocalityAnalysis.LOCAL) {
3303 if (ffn.getField().getType().isPtr()&&
3304 ffn.getField().isGlobal()) {
3305 String field=(ffn.getField().getClassDescriptor()==null?"":ffn.getField().getClassDescriptor().getSafeSymbol()) + ffn.getField().getSafeSymbol();
3306 String src=generateTemp(fm, ffn.getSrc(),lb);
3307 String dst=generateTemp(fm, ffn.getDst(),lb);
3308 output.println(dst+"="+ src +"->"+field+ ";");
3309 if (locality.getAtomic(lb).get(ffn).intValue()>0)
3310 //DEBUG: output.println("TRANSREAD("+dst+", (unsigned int) "+dst+",\""+fm+":"+ffn+"\");");
3311 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
3313 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
3314 } else if (status==LocalityAnalysis.EITHER) {
3315 //Code is reading from a null pointer
3316 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
3317 output.println("#ifndef RAW");
3318 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
3319 output.println("#endif");
3320 //This should throw a suitable null pointer error
3321 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
3323 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
3325 // DEBUG if(!ffn.getDst().getType().isPrimitive()){
3326 // DEBUG output.println("within((void*)"+generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+");");
3329 // TODO add version for normal Java later
3330 if(ffn.getField().isStatic()) {
3332 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
3333 // is a static block or is invoked in some static block
3334 ClassDescriptor cd = fm.getMethod().getClassDesc();
3335 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
3337 // the same class, do nothing
3338 // TODO may want to invoke static field initialization here
3340 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
3341 // need to check if the class' static fields have been initialized and/or
3342 // its static blocks have been executed
3343 output.println("#ifdef MGC_STATIC_INIT_CHECK");
3344 output.println("if(global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
3345 if(cn.getNumStaticBlocks() != 0) {
3346 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
3347 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
3349 output.println(" global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
3351 output.println("}");
3352 output.println("#endif // MGC_STATIC_INIT_CHECK");
3356 // redirect to the global_defs_p structure
3357 if((ffn.getField().isStatic()) || (ffn.getSrc().getType().isClassNameRef())) {
3358 // reference to the static field with Class name
3359 output.println(generateTemp(fm, ffn.getDst(),lb)+"=global_defs_p->"+
3360 ffn.getField().getClassDescriptor().getSafeSymbol()+ffn.getField().getSafeSymbol()+";");
3362 output.println(generateTemp(fm, ffn.getDst(),lb)+"=*"+ generateTemp(fm,ffn.getSrc(),lb)+"->"+
3363 (ffn.getField().getClassDescriptor()==null?"":ffn.getField().getClassDescriptor().getSafeSymbol()) + ffn.getField().getSafeSymbol()+";");
3365 } else if (ffn.getField().isEnum()) {
3366 // an Enum value, directly replace the field access as int
3367 output.println(generateTemp(fm, ffn.getDst(), lb) + "=" + ffn.getField().enumValue() + ";");
3369 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+
3370 (ffn.getField().getClassDescriptor()==null?"":ffn.getField().getClassDescriptor().getSafeSymbol()) + ffn.getField().getSafeSymbol()+";");
3373 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+
3374 (ffn.getField().getClassDescriptor()==null?"":ffn.getField().getClassDescriptor().getSafeSymbol()) + ffn.getField().getSafeSymbol()+";");
3380 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
3381 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
3382 throw new Error("Can't set array length");
3383 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
3384 //Single Machine Transaction Case
3385 boolean srcptr=fsfn.getSrc().getType().isPtr();
3386 String src=generateTemp(fm,fsfn.getSrc(),lb);
3387 String dst=generateTemp(fm,fsfn.getDst(),lb);
3388 output.println("//"+srcptr+" "+fsfn.getSrc().getType().isNull());
3389 if (srcptr&&!fsfn.getSrc().getType().isNull()) {
3390 output.println("{");
3391 if ((dc==null)||dc.getNeedSrcTrans(lb, fsfn)&&
3392 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getSrc())!=LocalityAnalysis.SCRATCH) {
3393 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
3395 output.println("INTPTR srcoid=(INTPTR)"+src+";");
3398 if (wb.needBarrier(fsfn)&&
3399 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getDst())!=LocalityAnalysis.SCRATCH) {
3400 if (state.EVENTMONITOR) {
3401 output.println("if ("+dst+"->___objstatus___&DIRTY) EVLOGEVENTOBJ(EV_WRITE,"+dst+"->objuid)");
3403 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
3405 if (srcptr&!fsfn.getSrc().getType().isNull()) {
3406 output.println("*((unsigned INTPTR *)&("+dst+"->"+
3407 (fsfn.getField().getClassDescriptor()==null?"":fsfn.getField().getClassDescriptor().getSafeSymbol()) + fsfn.getField().getSafeSymbol()+"))=srcoid;");
3408 output.println("}");
3410 output.println(dst+"->"+
3411 (fsfn.getField().getClassDescriptor()==null?"":fsfn.getField().getClassDescriptor().getSafeSymbol()) + fsfn.getField().getSafeSymbol()+"="+ src+";");
3413 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
3414 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
3415 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
3416 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
3418 String src=generateTemp(fm,fsfn.getSrc(),lb);
3419 String dst=generateTemp(fm,fsfn.getDst(),lb);
3421 output.println("{");
3422 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
3424 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
3427 if (wb.needBarrier(fsfn))
3428 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
3430 output.println("*((unsigned INTPTR *)&("+glbdst+"->"+
3431 (fsfn.getField().getClassDescriptor()==null?"":fsfn.getField().getClassDescriptor().getSafeSymbol()) + fsfn.getField().getSafeSymbol()+"))=srcoid;");
3433 output.println(glbdst+"->"+
3434 (fsfn.getField().getClassDescriptor()==null?"":fsfn.getField().getClassDescriptor().getSafeSymbol()) + fsfn.getField().getSafeSymbol()+"="+ src+";");
3435 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
3436 /** Check if we need to copy */
3437 output.println("if(!"+dst+"->"+localcopystr+") {");
3438 /* Link object into list */
3439 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3440 output.println(revertptr+"=revertlist;");
3441 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
3442 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3444 output.println("COPY_OBJ("+dst+");");
3445 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
3446 output.println("revertlist=(struct ___Object___ *)"+dst+";");
3447 output.println("}");
3449 output.println(dst+"->"+
3450 (fsfn.getField().getClassDescriptor()==null?"":fsfn.getField().getClassDescriptor().getSafeSymbol()) + fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
3452 output.println(dst+"->"+
3453 (fsfn.getField().getClassDescriptor()==null?"":fsfn.getField().getClassDescriptor().getSafeSymbol()) + fsfn.getField().getSafeSymbol()+"="+ src+";");
3454 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
3455 //writing to a null...bad
3456 output.println("if ("+dst+") {");
3457 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
3459 output.println(dst+"->"+
3460 (fsfn.getField().getClassDescriptor()==null?"":fsfn.getField().getClassDescriptor().getSafeSymbol()) + fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
3462 output.println(dst+"->"+
3463 (fsfn.getField().getClassDescriptor()==null?"":fsfn.getField().getClassDescriptor().getSafeSymbol()) + fsfn.getField().getSafeSymbol()+"="+ src+";");
3466 output.println("}");
3469 if (state.FASTCHECK) {
3470 String dst=generateTemp(fm, fsfn.getDst(),lb);
3471 output.println("if(!"+dst+"->"+localcopystr+") {");
3472 /* Link object into list */
3473 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
3474 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3476 output.println("COPY_OBJ("+dst+");");
3477 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3478 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3479 output.println("}");
3482 // DEBUG if(!fsfn.getField().getType().isPrimitive()){
3483 // DEBUG output.println("within((void*)"+generateTemp(fm,fsfn.getSrc(),lb)+");");
3486 // TODO add version for normal Java later
3487 if(fsfn.getField().isStatic()) {
3489 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
3490 // is a static block or is invoked in some static block
3491 ClassDescriptor cd = fm.getMethod().getClassDesc();
3492 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
3494 // the same class, do nothing
3495 // TODO may want to invoke static field initialization here
3497 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
3498 // need to check if the class' static fields have been initialized and/or
3499 // its static blocks have been executed
3500 output.println("#ifdef MGC_STATIC_INIT_CHECK");
3501 output.println("if(global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
3502 if(cn.getNumStaticFields() != 0) {
3503 // TODO add static field initialization here
3505 if(cn.getNumStaticBlocks() != 0) {
3506 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
3507 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
3509 output.println(" global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
3511 output.println("}");
3512 output.println("#endif // MGC_STATIC_INIT_CHECK");
3516 // redirect to the global_defs_p structure
3517 if(fsfn.getDst().getType().isClassNameRef()) {
3518 // reference to the static field with Class name
3519 output.println("global_defs_p->" + fsfn.getField().getClassDescriptor().getSafeSymbol() + fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
3521 output.println("*"+generateTemp(fm, fsfn.getDst(),lb)+"->"+
3522 (fsfn.getField().getClassDescriptor()==null?"":fsfn.getField().getClassDescriptor().getSafeSymbol()) + fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
3525 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+
3526 (fsfn.getField().getClassDescriptor()==null?"":fsfn.getField().getClassDescriptor().getSafeSymbol()) + fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
3529 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+
3530 (fsfn.getField().getClassDescriptor()==null?"":fsfn.getField().getClassDescriptor().getSafeSymbol()) + fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
3535 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
3536 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
3539 if (state.MGC && elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
3541 } else if (elementtype.isArray()||elementtype.isClass())
3544 type=elementtype.getSafeSymbol()+" ";
3546 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
3547 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex(),lb)+") >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___))");
3548 output.println("failedboundschk();");
3550 if (state.SINGLETM) {
3551 //Single machine transaction case
3552 String dst=generateTemp(fm, fen.getDst(),lb);
3553 if ((!state.STMARRAY)||(!wb.needBarrier(fen))||locality.getNodePreTempInfo(lb, fen).get(fen.getSrc())==LocalityAnalysis.SCRATCH||locality.getAtomic(lb).get(fen).intValue()==0||(state.READSET&&!dc.getNeedGet(lb, fen))) {
3554 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3556 output.println("STMGETARRAY("+dst+", "+ generateTemp(fm,fen.getSrc(),lb)+", "+generateTemp(fm, fen.getIndex(),lb)+", "+type+");");
3559 if (elementtype.isPtr()&&locality.getAtomic(lb).get(fen).intValue()>0&&
3560 locality.getNodePreTempInfo(lb, fen).get(fen.getSrc())!=LocalityAnalysis.SCRATCH) {
3561 if ((dc==null)||!state.READSET&&dc.getNeedTrans(lb, fen)||state.READSET&&dc.getNeedWriteTrans(lb, fen)) {
3562 output.println("TRANSREAD("+dst+", "+dst+", (void *)(" + localsprefixaddr+"));");
3563 } else if (state.READSET&&dc.getNeedTrans(lb, fen)) {
3564 if (state.HYBRID&&delaycomp.getConv(lb).contains(fen)) {
3565 output.println("TRANSREADRDFISSION("+dst+", "+dst+");");
3567 output.println("TRANSREADRD("+dst+", "+dst+");");
3570 } else if (state.DSM) {
3571 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
3572 if (status==LocalityAnalysis.GLOBAL) {
3573 String dst=generateTemp(fm, fen.getDst(),lb);
3574 if (elementtype.isPtr()) {
3575 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3576 //DEBUG: output.println("TRANSREAD("+dst+", "+dst+",\""+fm+":"+fen+"\");");
3577 output.println("TRANSREAD("+dst+", "+dst+");");
3579 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3581 } else if (status==LocalityAnalysis.LOCAL) {
3582 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3583 } else if (status==LocalityAnalysis.EITHER) {
3584 //Code is reading from a null pointer
3585 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
3586 output.println("#ifndef RAW");
3587 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
3588 output.println("#endif");
3589 //This should throw a suitable null pointer error
3590 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3592 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
3594 // DEBUG output.println("within((void*)"+generateTemp(fm,fen.getSrc(),lb)+");");
3595 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3599 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
3600 //TODO: need dynamic check to make sure this assignment is actually legal
3601 //Because Object[] could actually be something more specific...ie. Integer[]
3603 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
3606 if (state.MGC && elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
3608 } else if (elementtype.isArray()||elementtype.isClass() || (state.MGC && elementtype.isNull()))
3611 type=elementtype.getSafeSymbol()+" ";
3613 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
3614 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex(),lb)+") >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___))");
3615 output.println("failedboundschk();");
3618 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
3619 //Transaction set element case
3620 if (wb.needBarrier(fsen)&&
3621 locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH) {
3622 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
3624 if (fsen.getSrc().getType().isPtr()&&!fsen.getSrc().getType().isNull()) {
3625 output.println("{");
3626 String src=generateTemp(fm, fsen.getSrc(), lb);
3627 if ((dc==null)||dc.getNeedSrcTrans(lb, fsen)&&
3628 locality.getNodePreTempInfo(lb, fsen).get(fsen.getSrc())!=LocalityAnalysis.SCRATCH) {
3629 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
3631 output.println("INTPTR srcoid=(INTPTR)"+src+";");
3633 if (state.STMARRAY&&locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH&&wb.needBarrier(fsen)&&locality.getAtomic(lb).get(fsen).intValue()>0) {
3634 output.println("STMSETARRAY("+generateTemp(fm, fsen.getDst(),lb)+", "+generateTemp(fm, fsen.getIndex(),lb)+", srcoid, INTPTR);");
3636 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
3638 output.println("}");
3640 if (state.STMARRAY&&locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH&&wb.needBarrier(fsen)&&locality.getAtomic(lb).get(fsen).intValue()>0) {
3641 output.println("STMSETARRAY("+generateTemp(fm, fsen.getDst(),lb)+", "+generateTemp(fm, fsen.getIndex(),lb)+", "+ generateTemp(fm, fsen.getSrc(), lb) +", "+type+");");
3643 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
3646 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
3647 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
3648 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
3649 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
3650 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
3651 boolean dstlocal=(statusdst==LocalityAnalysis.LOCAL)||(statusdst==LocalityAnalysis.EITHER);
3654 if (wb.needBarrier(fsen))
3655 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
3656 } else if (dstlocal) {
3657 /** Check if we need to copy */
3658 String dst=generateTemp(fm, fsen.getDst(),lb);
3659 output.println("if(!"+dst+"->"+localcopystr+") {");
3660 /* Link object into list */
3661 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3662 output.println(revertptr+"=revertlist;");
3663 if ((GENERATEPRECISEGC) || this.state.MULTICOREGC)
3664 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3666 output.println("COPY_OBJ("+dst+");");
3667 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
3668 output.println("revertlist=(struct ___Object___ *)"+dst+";");
3669 output.println("}");
3671 System.out.println("Node: "+fsen);
3672 System.out.println(lb);
3673 System.out.println("statusdst="+statusdst);
3674 System.out.println(fm.printMethod());
3675 throw new Error("Unknown array type");
3678 output.println("{");
3679 String src=generateTemp(fm, fsen.getSrc(), lb);
3680 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
3681 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
3682 output.println("}");
3684 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
3687 if (state.FASTCHECK) {
3688 String dst=generateTemp(fm, fsen.getDst(),lb);
3689 output.println("if(!"+dst+"->"+localcopystr+") {");
3690 /* Link object into list */
3691 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
3692 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3694 output.println("COPY_OBJ("+dst+");");
3695 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3696 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3697 output.println("}");
3699 // DEBUG output.println("within((void*)"+generateTemp(fm,fsen.getDst(),lb)+");");
3700 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
3705 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
3706 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
3707 //Stash pointer in case of GC
3708 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3709 output.println(revertptr+"=revertlist;");
3711 if (state.SINGLETM) {
3712 if (fn.getType().isArray()) {
3713 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
3714 if (locality.getAtomic(lb).get(fn).intValue()>0) {
3715 //inside transaction
3716 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3718 //outside transaction
3719 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3722 if (locality.getAtomic(lb).get(fn).intValue()>0) {
3723 //inside transaction
3724 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
3726 //outside transaction
3727 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
3730 } else if (fn.getType().isArray()) {
3731 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
3732 if (fn.isGlobal()&&(state.DSM||state.SINGLETM)) {
3733 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3734 } else if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3735 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3737 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3740 if (fn.isGlobal()&&(state.DSM||state.SINGLETM)) {
3741 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
3742 } else if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3743 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
3745 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
3748 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
3749 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3750 String dst=generateTemp(fm,fn.getDst(),lb);
3751 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
3752 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
3753 output.println("revertlist=(struct ___Object___ *)"+dst+";");
3755 if (state.FASTCHECK) {
3756 String dst=generateTemp(fm,fn.getDst(),lb);
3757 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
3758 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3759 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3763 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
3764 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3765 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
3767 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
3771 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
3772 if (fon.getRight()!=null) {
3773 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
3774 if (fon.getLeft().getType().isLong())
3775 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
3777 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
3779 } else if (dc!=null) {
3780 output.print(generateTemp(fm, fon.getDest(),lb)+" = (");
3781 if (fon.getLeft().getType().isPtr()&&(fon.getOp().getOp()==Operation.EQUAL||fon.getOp().getOp()==Operation.NOTEQUAL))
3782 output.print("(void *)");
3783 if (dc.getNeedLeftSrcTrans(lb, fon))
3784 output.print("("+generateTemp(fm, fon.getLeft(),lb)+"!=NULL?"+generateTemp(fm, fon.getLeft(),lb)+"->"+oidstr+":NULL)");
3786 output.print(generateTemp(fm, fon.getLeft(),lb));
3787 output.print(")"+fon.getOp().toString()+"(");
3788 if (fon.getRight().getType().isPtr()&&(fon.getOp().getOp()==Operation.EQUAL||fon.getOp().getOp()==Operation.NOTEQUAL))
3789 output.print("(void *)");
3790 if (dc.getNeedRightSrcTrans(lb, fon))
3791 output.println("("+generateTemp(fm, fon.getRight(),lb)+"!=NULL?"+generateTemp(fm, fon.getRight(),lb)+"->"+oidstr+":NULL));");
3793 output.println(generateTemp(fm,fon.getRight(),lb)+");");
3795 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
3796 } else if (fon.getOp().getOp()==Operation.ASSIGN)
3797 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
3798 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
3799 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
3800 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
3801 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
3802 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
3803 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
3804 else if (fon.getOp().getOp()==Operation.COMP)
3805 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
3806 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
3807 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
3809 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
3812 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
3813 /* TODO: Do type check here */
3814 if (fcn.getType().isArray()) {
3815 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
3816 } else if (state.MGC && fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
3817 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(int)"+generateTemp(fm,fcn.getSrc(),lb)+";");
3818 } else if (fcn.getType().isClass())
3819 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
3821 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
3824 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
3825 if (fln.getValue()==null)
3826 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
3827 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
3828 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3829 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
3830 //Stash pointer in case of GC
3831 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3832 output.println(revertptr+"=revertlist;");
3834 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString("+localsprefixaddr+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
3835 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
3836 //Stash pointer in case of GC
3837 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3838 output.println("revertlist="+revertptr+";");
3841 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
3843 } else if (fln.getType().isBoolean()) {
3844 if (((Boolean)fln.getValue()).booleanValue())
3845 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
3847 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
3848 } else if (fln.getType().isChar()) {
3849 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
3850 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
3851 } else if (fln.getType().isLong()) {
3852 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
3854 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
3857 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
3859 // TODO add version for normal Java later
3860 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
3861 // a static block, check if it has been executed
3862 output.println(" global_defs_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
3866 if (frn.getReturnTemp()!=null) {
3867 if (frn.getReturnTemp().getType().isPtr())
3868 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
3870 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
3872 output.println("return;");
3876 protected void generateStoreFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
3879 //only record if this group has more than one exit
3880 if (branchanalysis.numJumps(fcb)>1) {
3881 left=branchanalysis.jumpValue(fcb, 0);
3882 right=branchanalysis.jumpValue(fcb, 1);
3884 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") {");
3886 output.println("STOREBRANCH("+right+");");
3887 output.println("goto "+label+";");
3888 output.println("}");
3890 output.println("STOREBRANCH("+left+");");
3893 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
3894 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
3897 /** This method generates header information for the method or
3898 * task referenced by the Descriptor des. */
3899 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
3900 generateHeader(fm, lb, des, output, false);
3903 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output, boolean addSESErecord) {
3905 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
3906 MethodDescriptor md=null;
3907 TaskDescriptor task=null;
3908 if (des instanceof MethodDescriptor)
3909 md=(MethodDescriptor) des;
3911 task=(TaskDescriptor) des;
3913 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
3915 if (md!=null&&md.getReturnType()!=null) {
3916 if (state.MGC && md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
3917 output.print("int ");
3918 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
3919 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
3921 output.print(md.getReturnType().getSafeSymbol()+" ");
3923 //catch the constructor case
3924 output.print("void ");
3926 if (state.DSM||state.SINGLETM) {
3927 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
3929 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
3931 output.print(task.getSafeSymbol()+"(");
3933 boolean printcomma=false;
3934 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3936 if (state.DSM||state.SINGLETM) {
3937 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
3939 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
3941 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
3947 for(int i=0; i<objectparams.numPrimitives(); i++) {
3948 TempDescriptor temp=objectparams.getPrimitive(i);
3952 if(state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3953 output.print("int " + temp.getSafeSymbol());
3954 } else if (temp.getType().isClass()||temp.getType().isArray())
3955 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
3957 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
3959 output.println(") {");
3960 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
3961 /* Imprecise Task */
3962 output.println("void * parameterarray[]) {");
3963 /* Unpack variables */
3964 for(int i=0; i<objectparams.numPrimitives(); i++) {
3965 TempDescriptor temp=objectparams.getPrimitive(i);
3966 if(state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3967 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
3969 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
3972 for(int i=0; i<fm.numTags(); i++) {
3973 TempDescriptor temp=fm.getTag(i);
3974 int offset=i+objectparams.numPrimitives();
3975 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
3978 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3979 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3980 } else output.println(") {");
3983 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
3984 output.println("/* FlatFlagActionNode */");
3987 /* Process tag changes */
3988 Relation tagsettable=new Relation();
3989 Relation tagcleartable=new Relation();
3991 Iterator tagsit=ffan.getTempTagPairs();
3992 while (tagsit.hasNext()) {
3993 TempTagPair ttp=(TempTagPair) tagsit.next();
3994 TempDescriptor objtmp=ttp.getTemp();
3995 TagDescriptor tag=ttp.getTag();
3996 TempDescriptor tagtmp=ttp.getTagTemp();
3997 boolean tagstatus=ffan.getTagChange(ttp);
3999 tagsettable.put(objtmp, tagtmp);
4001 tagcleartable.put(objtmp, tagtmp);
4006 Hashtable flagandtable=new Hashtable();
4007 Hashtable flagortable=new Hashtable();
4009 /* Process flag changes */
4010 Iterator flagsit=ffan.getTempFlagPairs();
4011 while(flagsit.hasNext()) {
4012 TempFlagPair tfp=(TempFlagPair)flagsit.next();
4013 TempDescriptor temp=tfp.getTemp();
4014 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
4015 FlagDescriptor flag=tfp.getFlag();
4017 //Newly allocate objects that don't set any flags case
4018 if (flagortable.containsKey(temp)) {
4022 flagortable.put(temp,new Integer(mask));
4024 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
4025 boolean flagstatus=ffan.getFlagChange(tfp);
4028 if (flagortable.containsKey(temp)) {
4029 mask=((Integer)flagortable.get(temp)).intValue();
4032 flagortable.put(temp,new Integer(mask));
4034 int mask=0xFFFFFFFF;
4035 if (flagandtable.containsKey(temp)) {
4036 mask=((Integer)flagandtable.get(temp)).intValue();
4038 mask&=(0xFFFFFFFF^flagid);
4039 flagandtable.put(temp,new Integer(mask));
4045 HashSet flagtagset=new HashSet();
4046 flagtagset.addAll(flagortable.keySet());
4047 flagtagset.addAll(flagandtable.keySet());
4048 flagtagset.addAll(tagsettable.keySet());
4049 flagtagset.addAll(tagcleartable.keySet());
4051 Iterator ftit=flagtagset.iterator();
4052 while(ftit.hasNext()) {
4053 TempDescriptor temp=(TempDescriptor)ftit.next();
4056 Set tagtmps=tagcleartable.get(temp);
4057 if (tagtmps!=null) {
4058 Iterator tagit=tagtmps.iterator();
4059 while(tagit.hasNext()) {
4060 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
4061 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
4062 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
4064 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
4068 tagtmps=tagsettable.get(temp);
4069 if (tagtmps!=null) {
4070 Iterator tagit=tagtmps.iterator();
4071 while(tagit.hasNext()) {
4072 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
4073 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
4074 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
4076 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
4081 int andmask=0xFFFFFFF;
4083 if (flagortable.containsKey(temp))
4084 ormask=((Integer)flagortable.get(temp)).intValue();
4085 if (flagandtable.containsKey(temp))
4086 andmask=((Integer)flagandtable.get(temp)).intValue();
4087 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
4088 generateObjectDistribute(ffan, fm, lb, temp, output);
4092 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
4093 PrintWriter output, int ormask, int andmask) {
4094 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
4095 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
4097 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
4101 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
4102 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
4105 void generateOptionalHeader(PrintWriter headers) {
4108 headers.println("#include \"task.h\"\n\n");
4109 headers.println("#ifndef _OPTIONAL_STRUCT_");
4110 headers.println("#define _OPTIONAL_STRUCT_");
4112 //STRUCT PREDICATEMEMBER
4113 headers.println("struct predicatemember{");
4114 headers.println("int type;");
4115 headers.println("int numdnfterms;");
4116 headers.println("int * flags;");
4117 headers.println("int numtags;");
4118 headers.println("int * tags;\n};\n\n");
4120 //STRUCT OPTIONALTASKDESCRIPTOR
4121 headers.println("struct optionaltaskdescriptor{");
4122 headers.println("struct taskdescriptor * task;");
4123 headers.println("int index;");
4124 headers.println("int numenterflags;");
4125 headers.println("int * enterflags;");
4126 headers.println("int numpredicatemembers;");
4127 headers.println("struct predicatemember ** predicatememberarray;");
4128 headers.println("};\n\n");
4130 //STRUCT TASKFAILURE
4131 headers.println("struct taskfailure {");
4132 headers.println("struct taskdescriptor * task;");
4133 headers.println("int index;");
4134 headers.println("int numoptionaltaskdescriptors;");
4135 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
4137 //STRUCT FSANALYSISWRAPPER
4138 headers.println("struct fsanalysiswrapper{");
4139 headers.println("int flags;");
4140 headers.println("int numtags;");
4141 headers.println("int * tags;");
4142 headers.println("int numtaskfailures;");
4143 headers.println("struct taskfailure ** taskfailurearray;");
4144 headers.println("int numoptionaltaskdescriptors;");
4145 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
4147 //STRUCT CLASSANALYSISWRAPPER
4148 headers.println("struct classanalysiswrapper{");
4149 headers.println("int type;");
4150 headers.println("int numotd;");
4151 headers.println("struct optionaltaskdescriptor ** otdarray;");
4152 headers.println("int numfsanalysiswrappers;");
4153 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
4155 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
4157 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
4158 while(taskit.hasNext()) {
4159 TaskDescriptor td=(TaskDescriptor)taskit.next();
4160 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
4165 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
4166 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
4167 int predicateindex = 0;
4168 //iterate through the classes concerned by the predicate
4169 Set c_vard = predicate.vardescriptors;
4170 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
4173 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
4174 VarDescriptor vard = (VarDescriptor)vard_it.next();
4175 TypeDescriptor typed = vard.getType();
4177 //generate for flags
4178 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
4179 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
4181 if (fen_hashset!=null) {
4182 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
4183 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
4185 DNFFlag dflag=fen.getDNF();
4186 numberterms+=dflag.size();
4188 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
4190 for(int j=0; j<dflag.size(); j++) {
4192 output.println(",");
4193 Vector term=dflag.get(j);
4196 for(int k=0; k<term.size(); k++) {
4197 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
4198 FlagDescriptor fd=dfa.getFlag();
4199 boolean negated=dfa.getNegated();
4200 int flagid=1<<((Integer)flags.get(fd)).intValue();
4205 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
4210 output.println("};\n");
4213 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
4214 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
4217 for(int j=0; j<tagel.numTags(); j++) {
4219 output.println(",");
4220 TempDescriptor tmp=tagel.getTemp(j);
4221 if (!slotnumber.containsKey(tmp)) {
4222 Integer slotint=new Integer(current_slot++);
4223 slotnumber.put(tmp,slotint);
4225 int slot=slotnumber.get(tmp).intValue();
4226 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
4228 numtags = tagel.numTags();
4230 output.println("};");
4232 //store the result into a predicatemember struct
4233 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
4234 output.println("/*type*/"+typed.getClassDesc().getId()+",");
4235 output.println("/* number of dnf terms */"+numberterms+",");
4236 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4237 output.println("/* number of tag */"+numtags+",");
4238 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4239 output.println("};\n");
4244 //generate an array that stores the entire predicate
4245 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
4246 for( int j = 0; j<predicateindex; j++) {
4247 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4248 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
4250 output.println("};\n");
4251 return predicateindex;
4255 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
4256 generateOptionalHeader(headers);
4258 output.println("#include \"optionalstruct.h\"\n\n");
4259 output.println("#include \"stdlib.h\"\n");
4261 HashSet processedcd = new HashSet();
4263 Enumeration e = safeexecution.keys();
4264 while (e.hasMoreElements()) {
4267 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
4268 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
4270 //Generate the struct of optionals
4271 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
4272 numotd = c_otd.size();
4273 if(maxotd<numotd) maxotd = numotd;
4274 if( !c_otd.isEmpty() ) {
4275 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
4276 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
4278 //generate the int arrays for the predicate
4279 Predicate predicate = otd.predicate;
4280 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
4281 TreeSet<Integer> fsset=new TreeSet<Integer>();
4282 //iterate through possible FSes corresponding to
4283 //the state when entering
4285 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
4286 FlagState fs = (FlagState)fses.next();
4288 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
4289 FlagDescriptor flagd = (FlagDescriptor)flags.next();
4290 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
4293 fsset.add(new Integer(flagid));
4294 //tag information not needed because tag
4295 //changes are not tolerated.
4298 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
4299 boolean needcomma=false;
4300 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
4303 output.println(it.next());
4306 output.println("};\n");
4309 //generate optionaltaskdescriptor that actually
4310 //includes exit fses, predicate and the task
4312 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
4313 output.println("&task_"+otd.td.getSafeSymbol()+",");
4314 output.println("/*index*/"+otd.getIndex()+",");
4315 output.println("/*number of enter flags*/"+fsset.size()+",");
4316 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4317 output.println("/*number of members */"+predicateindex+",");
4318 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4319 output.println("};\n");
4323 // if there are no optionals, there is no need to build the rest of the struct
4325 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
4326 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
4327 if( !c_otd.isEmpty() ) {
4328 boolean needcomma=false;
4329 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
4330 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
4332 output.println(",");
4334 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
4337 output.println("};\n");
4339 //get all the possible flagstates reachable by an object
4340 Hashtable hashtbtemp = safeexecution.get(cdtemp);
4342 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
4343 fsts.addAll(hashtbtemp.keySet());
4344 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
4345 FlagState fs = (FlagState)fsit.next();
4348 //get the set of OptionalTaskDescriptors corresponding
4349 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
4350 //iterate through the OptionalTaskDescriptors and
4351 //store the pointers to the optionals struct (see on
4352 //top) into an array
4354 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
4355 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
4356 OptionalTaskDescriptor mm = mos.next();
4358 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
4360 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4363 output.println("};\n");
4365 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
4368 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
4369 FlagDescriptor flagd = (FlagDescriptor)flags.next();
4370 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
4374 //process tag information
4377 boolean first = true;
4378 Enumeration tag_enum = fs.getTags();
4379 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
4380 while(tag_enum.hasMoreElements()) {
4382 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
4386 output.println(", ");
4387 output.println("/*tagid*/"+state.getTagId(tagd));
4389 output.println("};");
4391 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
4392 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
4393 TaskIndex ti=itti.next();
4397 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
4399 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
4400 boolean needcomma=false;
4401 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
4402 OptionalTaskDescriptor otd=otdit.next();
4406 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
4408 output.println("};");
4410 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
4411 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
4412 output.print(ti.getIndex()+", ");
4413 output.print(otdset.size()+", ");
4414 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
4415 output.println("};");
4418 tiset=sa.getTaskIndex(fs);
4419 boolean needcomma=false;
4421 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
4422 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
4423 TaskIndex ti=itti.next();
4424 if (ti.isRuntime()) {
4431 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
4433 output.println("};\n");
4435 //Store the result in fsanalysiswrapper
4437 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
4438 output.println("/*flag*/"+flagid+",");
4439 output.println("/* number of tags*/"+tagcounter+",");
4440 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
4441 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
4442 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
4443 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
4444 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
4445 output.println("};\n");
4449 //Build the array of fsanalysiswrappers
4450 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
4451 boolean needcomma=false;
4452 for(int i = 0; i<fscounter; i++) {
4453 if (needcomma) output.print(",");
4454 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
4457 output.println("};");
4459 //Build the classanalysiswrapper referring to the previous array
4460 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
4461 output.println("/*type*/"+cdtemp.getId()+",");
4462 output.println("/*numotd*/"+numotd+",");
4463 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
4464 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
4465 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
4466 processedcd.add(cdtemp);
4469 //build an array containing every classes for which code has been build
4470 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
4471 for(int i=0; i<state.numClasses(); i++) {
4472 ClassDescriptor cn=cdarray[i];
4475 if ((cn != null) && (processedcd.contains(cn)))
4476 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
4478 output.print("NULL");
4480 output.println("};");
4482 output.println("#define MAXOTD "+maxotd);
4483 headers.println("#endif");
4486 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
4487 Relation r=new Relation();
4488 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
4489 OptionalTaskDescriptor otd=otdit.next();
4490 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
4494 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
4495 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
4496 Set s=r.get(it.next());
4497 for(Iterator it2=s.iterator(); it2.hasNext();) {
4498 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
4506 protected void outputTransCode(PrintWriter output) {
4511 // override these methods in a subclass of BuildCode
4512 // to generate code for additional systems
4513 protected void additionalIncludesMethodsHeader( PrintWriter outmethodheader ) {}
4514 protected void preCodeGenInitialization() {}
4515 protected void postCodeGenCleanUp() {}
4516 protected void additionalCodeGen( PrintWriter outmethodheader,
4517 PrintWriter outstructs,
4518 PrintWriter outmethod ) {}
4519 protected void additionalCodeAtTopOfMain( PrintWriter outmethod ) {}
4520 protected void additionalCodeAtBottomOfMain( PrintWriter outmethod ) {}
4521 protected void additionalIncludesMethodsImplementation( PrintWriter outmethod ) {}
4522 protected void additionalIncludesStructsHeader( PrintWriter outstructs ) {}
4523 protected void additionalClassObjectFields( PrintWriter outclassdefs ) {}
4524 protected void additionalCodeAtTopMethodsImplementation( PrintWriter outmethod ) {}
4525 protected void additionalCodeAtTopFlatMethodBody( PrintWriter output, FlatMethod fm ) {}
4526 protected void additionalCodePreNode( FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output ) {}
4527 protected void additionalCodePostNode( FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output ) {}