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 GlobalFieldType gft=new GlobalFieldType(callgraph, st, typeutil.getMain());
109 delaycomp=new DCWrapper(locality, st, typeanalysis, gft);
110 dc=delaycomp.getConflicts();
111 recorddc=new DiscoverConflicts(locality, st, typeanalysis, delaycomp.getCannotDelayMap(), true, true, null);
112 recorddc.doAnalysis();
114 printedfieldstbl = new Hashtable<String, ClassDescriptor>();
117 /** The buildCode method outputs C code for all the methods. The Flat
118 * versions of the methods must already be generated and stored in
119 * the State object. */
120 PrintWriter outsandbox=null;
122 public void buildCode() {
123 /* Create output streams to write to */
124 PrintWriter outclassdefs=null;
125 PrintWriter outstructs=null;
126 PrintWriter outrepairstructs=null;
127 PrintWriter outmethodheader=null;
128 PrintWriter outmethod=null;
129 PrintWriter outvirtual=null;
130 PrintWriter outtask=null;
131 PrintWriter outtaskdefs=null;
132 PrintWriter outoptionalarrays=null;
133 PrintWriter optionalheaders=null;
134 PrintWriter outglobaldefs=null;
138 outsandbox=new CodePrinter(new FileOutputStream(PREFIX+"sandboxdefs.c"), true);
140 outstructs=new CodePrinter(new FileOutputStream(PREFIX+"structdefs.h"), true);
141 outmethodheader=new CodePrinter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
142 outclassdefs=new CodePrinter(new FileOutputStream(PREFIX+"classdefs.h"), true);
144 // TODO add version for normal Java later
145 outglobaldefs=new CodePrinter(new FileOutputStream(PREFIX+"globaldefs.h"), true);
147 outmethod=new CodePrinter(new FileOutputStream(PREFIX+"methods.c"), true);
148 outvirtual=new CodePrinter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
150 outtask=new CodePrinter(new FileOutputStream(PREFIX+"task.h"), true);
151 outtaskdefs=new CodePrinter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
152 if (state.OPTIONAL) {
153 outoptionalarrays=new CodePrinter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
154 optionalheaders=new CodePrinter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
157 if (state.structfile!=null) {
158 outrepairstructs=new CodePrinter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
160 } catch (Exception e) {
165 /* Fix field safe symbols due to shadowing */
166 FieldShadow.handleFieldShadow(state);
168 /* Build the virtual dispatch tables */
169 buildVirtualTables(outvirtual);
171 /* Tag the methods that are invoked by static blocks */
172 tagMethodInvokedByStaticBlock();
174 /* Output includes */
175 outmethodheader.println("#ifndef METHODHEADERS_H");
176 outmethodheader.println("#define METHODHEADERS_H");
177 outmethodheader.println("#include \"structdefs.h\"");
179 outmethodheader.println("#include \"dstm.h\"");
181 outmethodheader.println("#include \"sandbox.h\"");
183 if (state.EVENTMONITOR) {
184 outmethodheader.println("#include \"monitor.h\"");
186 if (state.SINGLETM) {
187 outmethodheader.println("#include \"tm.h\"");
188 outmethodheader.println("#include \"delaycomp.h\"");
189 outmethodheader.println("#include \"inlinestm.h\"");
191 if (state.ABORTREADERS) {
192 outmethodheader.println("#include \"abortreaders.h\"");
193 outmethodheader.println("#include <setjmp.h>");
197 additionalIncludesMethodsHeader( outmethodheader );
200 /* Output Structures */
201 outputStructs(outstructs);
203 // Output the C class declarations
204 // These could mutually reference each other
207 // TODO add version for normal Java later
208 outglobaldefs.println("#ifndef __GLOBALDEF_H_");
209 outglobaldefs.println("#define __GLOBALDEF_H_");
210 outglobaldefs.println("");
211 outglobaldefs.println("struct global_defs_t {");
214 outclassdefs.println("#ifndef __CLASSDEF_H_");
215 outclassdefs.println("#define __CLASSDEF_H_");
216 outputClassDeclarations(outclassdefs, outglobaldefs);
218 // Output function prototypes and structures for parameters
219 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
220 while(it.hasNext()) {
221 ClassDescriptor cn=(ClassDescriptor)it.next();
222 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader, outglobaldefs);
224 outclassdefs.println("#endif");
225 outclassdefs.close();
227 // TODO add version for normal Java later
228 outglobaldefs.println("};");
229 outglobaldefs.println("");
230 outglobaldefs.println("extern struct global_defs_t * global_defs_p;");
231 outglobaldefs.println("#endif");
232 outglobaldefs.flush();
233 outglobaldefs.close();
237 /* Map flags to integers */
238 /* The runtime keeps track of flags using these integers */
239 it=state.getClassSymbolTable().getDescriptorsIterator();
240 while(it.hasNext()) {
241 ClassDescriptor cn=(ClassDescriptor)it.next();
245 generateTaskStructs(outstructs, outmethodheader);
247 /* Outputs generic task structures if this is a task
249 outputTaskTypes(outtask);
253 // an opportunity for subclasses to do extra
255 preCodeGenInitialization();
258 /* Build the actual methods */
259 outputMethods(outmethod);
262 // opportunity for subclasses to gen extra code
263 additionalCodeGen( outmethodheader,
269 /* Output code for tasks */
270 outputTaskCode(outtaskdefs, outmethod);
272 /* Record maximum number of task parameters */
273 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
274 } else if (state.main!=null) {
275 /* Generate main method */
276 outputMainMethod(outmethod);
279 /* Generate information for task with optional parameters */
280 if (state.TASK&&state.OPTIONAL) {
281 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
282 outoptionalarrays.close();
285 /* Output structure definitions for repair tool */
286 if (state.structfile!=null) {
287 buildRepairStructs(outrepairstructs);
288 outrepairstructs.close();
292 outmethodheader.println("#endif");
293 outmethodheader.close();
295 outstructs.println("#endif");
300 postCodeGenCleanUp();
305 /* This method goes though the call graph and tag those methods that are
306 * invoked inside static blocks
308 protected void tagMethodInvokedByStaticBlock() {
310 Iterator it_sclasses = this.state.getSClassSymbolTable().getDescriptorsIterator();
311 MethodDescriptor current_md=null;
312 HashSet tovisit=new HashSet();
313 HashSet visited=new HashSet();
315 while(it_sclasses.hasNext()) {
316 ClassDescriptor cd = (ClassDescriptor)it_sclasses.next();
317 MethodDescriptor md = (MethodDescriptor)cd.getMethodTable().get("staticblocks");
323 while(!tovisit.isEmpty()) {
324 current_md=(MethodDescriptor)tovisit.iterator().next();
325 tovisit.remove(current_md);
326 visited.add(current_md);
327 Iterator it_callee = this.callgraph.getCalleeSet(current_md).iterator();
328 while(it_callee.hasNext()) {
329 Descriptor d = (Descriptor)it_callee.next();
330 if(d instanceof MethodDescriptor) {
331 if(!visited.contains(d)) {
332 ((MethodDescriptor)d).setIsInvokedByStatic(true);
338 } // TODO for normal Java version
341 /* This code generates code for each static block and static field
343 protected void outputStaticBlocks(PrintWriter outmethod) {
344 // execute all the static blocks and all the static field initializations
348 /* This code generates code to create a Class object for each class for
351 protected void outputClassObjects(PrintWriter outmethod) {
352 // for each class, initialize its Class object
356 /* This code just generates the main C method for java programs.
357 * The main C method packs up the arguments into a string array
358 * and passes it to the java main method. */
360 protected void outputMainMethod(PrintWriter outmethod) {
361 outmethod.println("int main(int argc, const char *argv[]) {");
362 outmethod.println(" int i;");
364 outputStaticBlocks(outmethod);
365 outputClassObjects(outmethod);
368 additionalCodeAtTopOfMain( outmethod );
372 if (state.DSMRECOVERYSTATS) {
373 outmethod.println("#ifdef RECOVERYSTATS \n");
374 outmethod.println("handle();\n");
375 outmethod.println("#endif\n");
377 outmethod.println("#if defined(TRANSSTATS) || defined(RECOVERYSTATS) \n");
378 outmethod.println("handle();\n");
379 outmethod.println("#endif\n");
383 if (state.THREAD||state.DSM||state.SINGLETM) {
384 outmethod.println("initializethreads();");
387 outmethod.println("if (dstmStartup(argv[1])) {");
388 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
389 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
391 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
394 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
395 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
397 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
401 outmethod.println(" for(i=2;i<argc;i++) {");
403 outmethod.println(" for(i=1;i<argc;i++) {");
404 outmethod.println(" int length=strlen(argv[i]);");
405 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
406 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
408 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
411 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
413 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
414 outmethod.println(" }");
416 MethodDescriptor md=typeutil.getMain();
417 ClassDescriptor cd=typeutil.getMainClass();
419 outmethod.println(" {");
420 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
421 if (state.DSM||state.SINGLETM) {
422 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
424 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
425 outmethod.println("1, NULL,"+"stringarray};");
426 if (state.DSM||state.SINGLETM)
427 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
429 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
431 if (state.DSM||state.SINGLETM)
432 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
434 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
436 outmethod.println(" }");
439 outmethod.println("}");
442 if (state.THREAD||state.DSM||state.SINGLETM) {
443 outmethod.println("pthread_mutex_lock(&gclistlock);");
444 outmethod.println("threadcount--;");
445 outmethod.println("pthread_cond_signal(&gccond);");
446 outmethod.println("pthread_mutex_unlock(&gclistlock);");
449 if (state.DSM||state.SINGLETM) {
450 outmethod.println("#if defined(TRANSSTATS) \n");
451 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
452 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
453 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
454 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
456 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
457 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
458 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
459 outmethod.println("printf(\"ndirtyCacheObj= %d\\n\", ndirtyCacheObj);");
460 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
461 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
462 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
463 outmethod.println("printf(\"totalObjSize= %d\\n\", totalObjSize);");
464 outmethod.println("printf(\"sendRemoteReq= %d\\n\", sendRemoteReq);");
465 outmethod.println("printf(\"getResponse= %d\\n\", getResponse);");
466 } else if (state.SINGLETM) {
467 outmethod.println("printf(\"nSoftAbortAbort= %d\\n\", nSoftAbortAbort);");
468 outmethod.println("printf(\"nSoftAbortCommit= %d\\n\", nSoftAbortCommit);");
469 outmethod.println("#ifdef STMSTATS\n");
470 outmethod.println("for(i=0; i<TOTALNUMCLASSANDARRAY; i++) {\n");
471 outmethod.println(" printf(\"typesCausingAbort[%2d] numaccess= %5d numabort= %3d\\n\", i, typesCausingAbort[i].numaccess, typesCausingAbort[i].numabort);\n");
472 outmethod.println("}\n");
473 outmethod.println("#endif\n");
474 outmethod.println("fflush(stdout);");
476 outmethod.println("#endif\n");
479 if (state.EVENTMONITOR) {
480 outmethod.println("dumpdata();");
483 if (state.THREAD||state.SINGLETM)
484 outmethod.println("pthread_exit(NULL);");
487 additionalCodeAtBottomOfMain( outmethod );
490 outmethod.println("}");
493 /* This method outputs code for each task. */
495 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
496 /* Compile task based program */
497 outtaskdefs.println("#include \"task.h\"");
498 outtaskdefs.println("#include \"methodheaders.h\"");
499 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
500 while(taskit.hasNext()) {
501 TaskDescriptor td=(TaskDescriptor)taskit.next();
502 FlatMethod fm=state.getMethodFlat(td);
503 generateFlatMethod(fm, null, outmethod);
504 generateTaskDescriptor(outtaskdefs, fm, td);
507 //Output task descriptors
508 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
509 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
511 while(taskit.hasNext()) {
512 TaskDescriptor td=(TaskDescriptor)taskit.next();
516 outtaskdefs.println(",");
517 outtaskdefs.print("&task_"+td.getSafeSymbol());
519 outtaskdefs.println("};");
521 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
525 /* This method outputs most of the methods.c file. This includes
526 * some standard includes and then an array with the sizes of
527 * objets and array that stores supertype and then the code for
528 * the Java methods.. */
529 protected void outputMethods(PrintWriter outmethod) {
530 outmethod.println("#include \"methodheaders.h\"");
531 outmethod.println("#include \"virtualtable.h\"");
532 outmethod.println("#include \"runtime.h\"");
534 // always include: compiler directives will leave out
535 // instrumentation when option is not set
536 outmethod.println("#include \"coreprof/coreprof.h\"");
539 outmethod.println("#include \"sandboxdefs.c\"");
542 outmethod.println("#include \"addPrefetchEnhance.h\"");
543 outmethod.println("#include \"localobjects.h\"");
545 if (state.FASTCHECK) {
546 outmethod.println("#include \"localobjects.h\"");
548 if(state.MULTICORE) {
550 outmethod.println("#include \"task.h\"");
552 outmethod.println("#include \"multicoreruntime.h\"");
553 outmethod.println("#include \"runtime_arch.h\"");
555 if (state.THREAD||state.DSM||state.SINGLETM) {
556 outmethod.println("#include <thread.h>");
559 outmethod.println("#include \"thread.h\"");
561 if (state.main!=null) {
562 outmethod.println("#include <string.h>");
564 if (state.CONSCHECK) {
565 outmethod.println("#include \"checkers.h\"");
569 additionalIncludesMethodsImplementation( outmethod );
573 // TODO add version for normal Java later
574 outmethod.println("struct global_defs_t * global_defs_p;");
576 //Store the sizes of classes & array elements
577 generateSizeArray(outmethod);
579 //Store table of supertypes
580 generateSuperTypeTable(outmethod);
582 //Store the layout of classes
583 generateLayoutStructs(outmethod);
586 additionalCodeAtTopMethodsImplementation( outmethod );
589 /* Generate code for methods */
590 if (state.DSM||state.SINGLETM) {
591 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
592 LocalityBinding lb=lbit.next();
593 MethodDescriptor md=lb.getMethod();
594 FlatMethod fm=state.getMethodFlat(md);
596 if (!md.getModifiers().isNative()) {
597 generateFlatMethod(fm, lb, outmethod);
601 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
602 while(classit.hasNext()) {
603 ClassDescriptor cn=(ClassDescriptor)classit.next();
604 Iterator methodit=cn.getMethods();
605 while(methodit.hasNext()) {
606 /* Classify parameters */
607 MethodDescriptor md=(MethodDescriptor)methodit.next();
608 FlatMethod fm=state.getMethodFlat(md);
609 if (!md.getModifiers().isNative()) {
610 generateFlatMethod(fm, null, outmethod);
617 protected void outputStructs(PrintWriter outstructs) {
618 outstructs.println("#ifndef STRUCTDEFS_H");
619 outstructs.println("#define STRUCTDEFS_H");
620 outstructs.println("#include \"classdefs.h\"");
621 outstructs.println("#ifndef INTPTR");
622 outstructs.println("#ifdef BIT64");
623 outstructs.println("#define INTPTR long");
624 outstructs.println("#else");
625 outstructs.println("#define INTPTR int");
626 outstructs.println("#endif");
627 outstructs.println("#endif");
630 additionalIncludesStructsHeader( outstructs );
633 /* Output #defines that the runtime uses to determine type
634 * numbers for various objects it needs */
635 outstructs.println("#define MAXCOUNT "+maxcount);
636 if (state.DSM||state.SINGLETM) {
637 LocalityBinding lbrun=new LocalityBinding(typeutil.getRun(), false);
639 lbrun.setGlobalThis(LocalityAnalysis.GLOBAL);
641 else if (state.SINGLETM) {
642 lbrun.setGlobalThis(LocalityAnalysis.NORMAL);
644 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lbrun));
648 LocalityBinding lbexecute = new LocalityBinding(typeutil.getExecute(), false);
650 lbexecute.setGlobalThis(LocalityAnalysis.GLOBAL);
651 else if( state.SINGLETM)
652 lbexecute.setGlobalThis(LocalityAnalysis.NORMAL);
653 outstructs.println("#define EXECUTEMETHOD " + virtualcalls.getLocalityNumber(lbexecute));
656 outstructs.println("#define STRINGARRAYTYPE "+
657 (state.getArrayNumber(
658 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
660 outstructs.println("#define OBJECTARRAYTYPE "+
661 (state.getArrayNumber(
662 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
665 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
666 outstructs.println("#define CHARARRAYTYPE "+
667 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
669 outstructs.println("#define BYTEARRAYTYPE "+
670 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
672 outstructs.println("#define BYTEARRAYARRAYTYPE "+
673 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
675 outstructs.println("#define NUMCLASSES "+state.numClasses());
676 int totalClassSize = state.numClasses() + state.numArrays();
677 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
679 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
680 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
681 outstructs.println("#define TAGARRAYTYPE "+
682 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
686 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs) {
687 if (state.THREAD||state.DSM||state.SINGLETM)
688 outclassdefs.println("#include <pthread.h>");
689 outclassdefs.println("#ifndef INTPTR");
690 outclassdefs.println("#ifdef BIT64");
691 outclassdefs.println("#define INTPTR long");
692 outclassdefs.println("#else");
693 outclassdefs.println("#define INTPTR int");
694 outclassdefs.println("#endif");
695 outclassdefs.println("#endif");
697 outclassdefs.println("#include \"optionalstruct.h\"");
698 outclassdefs.println("struct "+arraytype+";");
699 /* Start by declaring all structs */
700 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
701 while(it.hasNext()) {
702 ClassDescriptor cn=(ClassDescriptor)it.next();
703 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
706 // TODO add version for normal Java later
707 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
708 // this class has static fields/blocks, need to add a global flag to
709 // indicate if its static fields have been initialized and/or if its
710 // static blocks have been executed
711 outglobaldefs.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
714 // for each class, create a global object
715 outglobaldefs.println(" struct ___Object___ "+cn.getSafeSymbol()+"classobj;");
718 outclassdefs.println("");
719 //Print out definition for array type
720 outclassdefs.println("struct "+arraytype+" {");
721 outclassdefs.println(" int type;");
724 additionalClassObjectFields( outclassdefs );
727 if (state.EVENTMONITOR) {
728 outclassdefs.println(" int objuid;");
731 outclassdefs.println(" pthread_t tid;");
732 outclassdefs.println(" void * lockentry;");
733 outclassdefs.println(" int lockcount;");
736 outclassdefs.println(" int mutex;");
737 outclassdefs.println(" int objlock;");
738 if(state.MULTICOREGC) {
739 outclassdefs.println(" int marked;");
743 outclassdefs.println(" int flag;");
744 if(!state.MULTICORE) {
745 outclassdefs.println(" void * flagptr;");
747 outclassdefs.println(" int version;");
748 outclassdefs.println(" int * lock;"); // lock entry for this obj
749 outclassdefs.println(" int mutex;");
750 outclassdefs.println(" int lockcount;");
751 if(state.MULTICOREGC) {
752 outclassdefs.println(" int marked;");
756 outclassdefs.println(" int numfses;");
757 outclassdefs.println(" int * fses;");
761 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs);
762 printedfieldstbl.clear();
764 if (state.STMARRAY) {
765 outclassdefs.println(" int lowindex;");
766 outclassdefs.println(" int highindex;");
769 outclassdefs.println(" int paddingforarray;");
770 if (state.DUALVIEW) {
771 outclassdefs.println(" int arrayversion;");
774 outclassdefs.println(" int ___length___;");
775 outclassdefs.println("};\n");
778 // TODO add version for normal Java later
779 outclassdefs.println("");
780 //Print out definition for Class type
781 outclassdefs.println("struct Class {");
782 outclassdefs.println(" int type;");
785 additionalClassObjectFields( outclassdefs );
788 if (state.EVENTMONITOR) {
789 outclassdefs.println(" int objuid;");
792 outclassdefs.println(" pthread_t tid;");
793 outclassdefs.println(" void * lockentry;");
794 outclassdefs.println(" int lockcount;");
797 outclassdefs.println(" int mutex;");
798 outclassdefs.println(" int objlock;");
799 if(state.MULTICOREGC) {
800 outclassdefs.println(" int marked;");
804 outclassdefs.println(" int flag;");
805 if(!state.MULTICORE) {
806 outclassdefs.println(" void * flagptr;");
808 outclassdefs.println(" int version;");
809 outclassdefs.println(" int * lock;"); // lock entry for this obj
810 outclassdefs.println(" int mutex;");
811 outclassdefs.println(" int lockcount;");
812 if(state.MULTICOREGC) {
813 outclassdefs.println(" int marked;");
817 outclassdefs.println(" int numfses;");
818 outclassdefs.println(" int * fses;");
821 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs);
822 printedfieldstbl.clear();
823 outclassdefs.println("};\n");
826 outclassdefs.println("");
827 outclassdefs.println("extern int classsize[];");
828 outclassdefs.println("extern int hasflags[];");
829 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
830 outclassdefs.println("extern int supertypes[];");
831 outclassdefs.println("");
834 /** Prints out definitions for generic task structures */
836 private void outputTaskTypes(PrintWriter outtask) {
837 outtask.println("#ifndef _TASK_H");
838 outtask.println("#define _TASK_H");
839 outtask.println("struct parameterdescriptor {");
840 outtask.println("int type;");
841 outtask.println("int numberterms;");
842 outtask.println("int *intarray;");
843 outtask.println("void * queue;");
844 outtask.println("int numbertags;");
845 outtask.println("int *tagarray;");
846 outtask.println("};");
848 outtask.println("struct taskdescriptor {");
849 outtask.println("void * taskptr;");
850 outtask.println("int numParameters;");
851 outtask.println(" int numTotal;");
852 outtask.println("struct parameterdescriptor **descriptorarray;");
853 outtask.println("char * name;");
854 outtask.println("};");
855 outtask.println("extern struct taskdescriptor * taskarray[];");
856 outtask.println("extern numtasks;");
857 outtask.println("#endif");
861 private void buildRepairStructs(PrintWriter outrepairstructs) {
862 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
863 while(classit.hasNext()) {
864 ClassDescriptor cn=(ClassDescriptor)classit.next();
865 outrepairstructs.println("structure "+cn.getSymbol()+" {");
866 outrepairstructs.println(" int __type__;");
868 outrepairstructs.println(" int __flag__;");
869 if(!state.MULTICORE) {
870 outrepairstructs.println(" int __flagptr__;");
873 printRepairStruct(cn, outrepairstructs);
874 outrepairstructs.println("}\n");
877 for(int i=0; i<state.numArrays(); i++) {
878 TypeDescriptor tdarray=arraytable[i];
879 TypeDescriptor tdelement=tdarray.dereference();
880 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
881 outrepairstructs.println(" int __type__;");
882 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
883 outrepairstructs.println(" int length;");
884 outrepairstructs.println("}\n");
888 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
889 ClassDescriptor sp=cn.getSuperDesc();
891 printRepairStruct(sp, output);
893 Vector fields=(Vector)fieldorder.get(cn);
895 for(int i=0; i<fields.size(); i++) {
896 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
897 if (fd.getType().isArray()) {
898 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
899 } else if (fd.getType().isClass())
900 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
901 else if (fd.getType().isFloat())
902 output.println(" int "+fd.getSymbol()+"; /* really float */");
904 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
908 /** This method outputs TaskDescriptor information */
909 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
910 for (int i=0; i<task.numParameters(); i++) {
911 VarDescriptor param_var=task.getParameter(i);
912 TypeDescriptor param_type=task.getParamType(i);
913 FlagExpressionNode param_flag=task.getFlag(param_var);
914 TagExpressionList param_tag=task.getTag(param_var);
917 if (param_flag==null) {
918 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
919 output.println("0x0, 0x0 };");
922 DNFFlag dflag=param_flag.getDNF();
923 dnfterms=dflag.size();
925 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
926 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
927 for(int j=0; j<dflag.size(); j++) {
930 Vector term=dflag.get(j);
933 for(int k=0; k<term.size(); k++) {
934 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
935 FlagDescriptor fd=dfa.getFlag();
936 boolean negated=dfa.getNegated();
937 int flagid=1<<((Integer)flags.get(fd)).intValue();
942 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
944 output.println("};");
947 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
949 for(int j=0; j<param_tag.numTags(); j++) {
952 /* for each tag we need */
953 /* which slot it is */
954 /* what type it is */
955 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
956 TempDescriptor tmp=param_tag.getTemp(j);
957 int slot=fm.getTagInt(tmp);
958 output.println(slot+", "+state.getTagId(tvd.getTag()));
960 output.println("};");
962 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
963 output.println("/* type */"+param_type.getClassDesc().getId()+",");
964 output.println("/* number of DNF terms */"+dnfterms+",");
965 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
966 output.println("0,");
968 output.println("/* number of tags */"+param_tag.numTags()+",");
970 output.println("/* number of tags */ 0,");
971 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
972 output.println("};");
976 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
977 for (int i=0; i<task.numParameters(); i++) {
980 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
982 output.println("};");
984 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
985 output.println("&"+task.getSafeSymbol()+",");
986 output.println("/* number of parameters */" +task.numParameters() + ",");
987 int numtotal=task.numParameters()+fm.numTags();
988 output.println("/* number total parameters */" +numtotal + ",");
989 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
990 output.println("\""+task.getSymbol()+"\"");
991 output.println("};");
995 /** The buildVirtualTables method outputs the virtual dispatch
996 * tables for methods. */
998 protected void buildVirtualTables(PrintWriter outvirtual) {
999 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
1000 while(classit.hasNext()) {
1001 ClassDescriptor cd=(ClassDescriptor)classit.next();
1002 if (virtualcalls.getMethodCount(cd)>maxcount)
1003 maxcount=virtualcalls.getMethodCount(cd);
1005 MethodDescriptor[][] virtualtable=null;
1006 LocalityBinding[][] lbvirtualtable=null;
1007 if (state.DSM||state.SINGLETM)
1008 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
1010 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
1012 /* Fill in virtual table */
1013 classit=state.getClassSymbolTable().getDescriptorsIterator();
1014 while(classit.hasNext()) {
1015 ClassDescriptor cd=(ClassDescriptor)classit.next();
1016 if(cd.isInterface()) {
1019 if (state.DSM||state.SINGLETM)
1020 fillinRow(cd, lbvirtualtable, cd.getId());
1022 fillinRow(cd, virtualtable, cd.getId());
1025 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
1026 Iterator arrayit=state.getArrayIterator();
1027 while(arrayit.hasNext()) {
1028 TypeDescriptor td=(TypeDescriptor)arrayit.next();
1029 int id=state.getArrayNumber(td);
1030 if (state.DSM||state.SINGLETM)
1031 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
1033 fillinRow(objectcd, virtualtable, id+state.numClasses());
1036 outvirtual.print("void * virtualtable[]={");
1037 boolean needcomma=false;
1038 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
1039 for(int j=0; j<maxcount; j++) {
1041 outvirtual.print(", ");
1042 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
1043 LocalityBinding lb=lbvirtualtable[i][j];
1044 MethodDescriptor md=lb.getMethod();
1045 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1046 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
1047 MethodDescriptor md=virtualtable[i][j];
1048 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1050 outvirtual.print("0");
1054 outvirtual.println("");
1056 outvirtual.println("};");
1060 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
1061 /* Get inherited methods */
1062 if (cd.getSuperDesc()!=null)
1063 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
1065 // TODO add version for normal Java later
1066 Iterator it_sifs = cd.getSuperInterfaces();
1067 while(it_sifs.hasNext()) {
1068 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
1069 fillinRow(superif, virtualtable, rownum);
1072 /* Override them with our methods */
1073 for(Iterator it=cd.getMethods(); it.hasNext();) {
1074 MethodDescriptor md=(MethodDescriptor)it.next();
1075 if (md.isStatic()||md.getReturnType()==null)
1077 int methodnum=virtualcalls.getMethodNumber(md);
1078 virtualtable[rownum][methodnum]=md;
1082 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
1083 /* Get inherited methods */
1084 if (cd.getSuperDesc()!=null)
1085 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
1086 /* Override them with our methods */
1087 if (locality.getClassBindings(cd)!=null)
1088 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
1089 LocalityBinding lb=lbit.next();
1090 MethodDescriptor md=lb.getMethod();
1091 //Is the method static or a constructor
1092 if (md.isStatic()||md.getReturnType()==null)
1094 int methodnum=virtualcalls.getLocalityNumber(lb);
1095 virtualtable[rownum][methodnum]=lb;
1099 /** Generate array that contains the sizes of class objects. The
1100 * object allocation functions in the runtime use this
1103 private void generateSizeArray(PrintWriter outclassdefs) {
1104 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
1105 outclassdefs.print("#ifdef TRANSSTATS \n");
1106 outclassdefs.print("extern int numTransAbort;\n");
1107 outclassdefs.print("extern int numTransCommit;\n");
1108 outclassdefs.print("extern int nSoftAbort;\n");
1110 outclassdefs.print("extern int nchashSearch;\n");
1111 outclassdefs.print("extern int nmhashSearch;\n");
1112 outclassdefs.print("extern int nprehashSearch;\n");
1113 outclassdefs.print("extern int ndirtyCacheObj;\n");
1114 outclassdefs.print("extern int nRemoteSend;\n");
1115 outclassdefs.print("extern int sendRemoteReq;\n");
1116 outclassdefs.print("extern int getResponse;\n");
1117 outclassdefs.print("extern int bytesSent;\n");
1118 outclassdefs.print("extern int bytesRecv;\n");
1119 outclassdefs.print("extern int totalObjSize;\n");
1120 outclassdefs.print("extern void handle();\n");
1121 } else if (state.SINGLETM) {
1122 outclassdefs.println("extern int nSoftAbortAbort;");
1123 outclassdefs.println("extern int nSoftAbortCommit;");
1124 outclassdefs.println("#ifdef STMSTATS\n");
1125 outclassdefs.println("extern objtypestat_t typesCausingAbort[];");
1126 outclassdefs.println("#endif\n");
1128 outclassdefs.print("#endif\n");
1130 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
1133 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1134 cdarray=new ClassDescriptor[state.numClasses()];
1136 while(it.hasNext()) {
1137 ClassDescriptor cd=(ClassDescriptor)it.next();
1138 if(!cd.isInterface()) {
1139 cdarray[cd.getId()]=cd;
1143 arraytable=new TypeDescriptor[state.numArrays()];
1145 Iterator arrayit=state.getArrayIterator();
1146 while(arrayit.hasNext()) {
1147 TypeDescriptor td=(TypeDescriptor)arrayit.next();
1148 int id=state.getArrayNumber(td);
1154 /* Print out types */
1155 outclassdefs.println("/* ");
1156 for(int i=0; i<state.numClasses(); i++) {
1157 ClassDescriptor cd=cdarray[i];
1159 outclassdefs.println("NULL " + i);
1161 outclassdefs.println(cd +" "+i);
1165 for(int i=0; i<state.numArrays(); i++) {
1166 TypeDescriptor arraytd=arraytable[i];
1167 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
1170 outclassdefs.println("*/");
1173 outclassdefs.print("int classsize[]={");
1175 boolean needcomma=false;
1176 for(int i=0; i<state.numClasses(); i++) {
1178 outclassdefs.print(", ");
1180 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
1182 outclassdefs.print("0");
1188 for(int i=0; i<state.numArrays(); i++) {
1190 outclassdefs.print(", ");
1191 TypeDescriptor tdelement=arraytable[i].dereference();
1192 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
1193 outclassdefs.print("sizeof(void *)");
1195 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
1199 outclassdefs.println("};");
1201 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1203 outclassdefs.print("int typearray[]={");
1204 for(int i=0; i<state.numClasses(); i++) {
1205 ClassDescriptor cd=cdarray[i];
1206 ClassDescriptor supercd=i>0?cd.getSuperDesc():null;
1208 outclassdefs.print(", ");
1210 outclassdefs.print("-1");
1212 outclassdefs.print(supercd.getId());
1216 for(int i=0; i<state.numArrays(); i++) {
1217 TypeDescriptor arraytd=arraytable[i];
1218 ClassDescriptor arraycd=arraytd.getClassDesc();
1219 if (arraycd==null) {
1221 outclassdefs.print(", ");
1222 outclassdefs.print(objectclass.getId());
1226 ClassDescriptor cd=arraycd.getSuperDesc();
1229 TypeDescriptor supertd=new TypeDescriptor(cd);
1230 supertd.setArrayCount(arraytd.getArrayCount());
1231 type=state.getArrayNumber(supertd);
1233 type+=state.numClasses();
1236 cd=cd.getSuperDesc();
1239 outclassdefs.print(", ");
1240 outclassdefs.print(type);
1244 outclassdefs.println("};");
1249 outclassdefs.print("int typearray2[]={");
1250 for(int i=0; i<state.numArrays(); i++) {
1251 TypeDescriptor arraytd=arraytable[i];
1252 ClassDescriptor arraycd=arraytd.getClassDesc();
1253 if (arraycd==null) {
1255 outclassdefs.print(", ");
1256 outclassdefs.print("-1");
1260 ClassDescriptor cd=arraycd.getSuperDesc();
1261 int level=arraytd.getArrayCount()-1;
1263 for(; level>0; level--) {
1264 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1265 supertd.setArrayCount(level);
1266 type=state.getArrayNumber(supertd);
1268 type+=state.numClasses();
1273 outclassdefs.print(", ");
1274 outclassdefs.print(type);
1278 outclassdefs.println("};");
1281 /** Constructs params and temp objects for each method or task.
1282 * These objects tell the compiler which temps need to be
1285 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
1286 MethodDescriptor md=fm.getMethod();
1287 TaskDescriptor task=fm.getTask();
1288 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
1289 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
1291 paramstable.put(lb, objectparams);
1292 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
1293 } else if (md!=null)
1294 paramstable.put(md, objectparams);
1296 paramstable.put(task, objectparams);
1298 for(int i=0; i<fm.numParameters(); i++) {
1299 TempDescriptor temp=fm.getParameter(i);
1300 TypeDescriptor type=temp.getType();
1301 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1302 objectparams.addPtr(temp);
1304 objectparams.addPrim(temp);
1305 if(lb!=null&&saveset.contains(temp)) {
1306 backuptable.get(lb).put(temp, temp.createNew());
1310 for(int i=0; i<fm.numTags(); i++) {
1311 TempDescriptor temp=fm.getTag(i);
1312 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1313 objectparams.addPtr(temp);
1315 objectparams.addPrim(temp);
1318 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1320 tempstable.put(lb, objecttemps);
1322 tempstable.put(md, objecttemps);
1324 tempstable.put(task, objecttemps);
1326 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
1327 FlatNode fn=(FlatNode)nodeit.next();
1328 TempDescriptor[] writes=fn.writesTemps();
1329 for(int i=0; i<writes.length; i++) {
1330 TempDescriptor temp=writes[i];
1331 TypeDescriptor type=temp.getType();
1332 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1333 objecttemps.addPtr(temp);
1335 objecttemps.addPrim(temp);
1336 if(lb!=null&&saveset.contains(temp)&&
1337 !backuptable.get(lb).containsKey(temp))
1338 backuptable.get(lb).put(temp, temp.createNew());
1342 /* Create backup temps */
1344 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
1345 TempDescriptor tmp=tmpit.next();
1346 TypeDescriptor type=tmp.getType();
1347 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1348 objecttemps.addPtr(tmp);
1350 objecttemps.addPrim(tmp);
1352 /* Create temp to hold revert table */
1353 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
1354 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
1355 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1356 objecttemps.addPtr(reverttmp);
1358 objecttemps.addPrim(reverttmp);
1359 reverttable.put(lb, reverttmp);
1364 /** This method outputs the following information about classes
1366 * (1) For classes, what are the locations of pointers.
1367 * (2) For arrays, does the array contain pointers or primitives.
1368 * (3) For classes, does the class contain flags.
1371 private void generateLayoutStructs(PrintWriter output) {
1372 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1373 while(it.hasNext()) {
1374 ClassDescriptor cn=(ClassDescriptor)it.next();
1375 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1376 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1378 while(allit.hasNext()) {
1379 FieldDescriptor fd=(FieldDescriptor)allit.next();
1380 TypeDescriptor type=fd.getType();
1381 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1386 output.print(count);
1387 allit=cn.getFieldTable().getAllDescriptorsIterator();
1388 while(allit.hasNext()) {
1389 FieldDescriptor fd=(FieldDescriptor)allit.next();
1390 TypeDescriptor type=fd.getType();
1391 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1394 output.println(",");
1395 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1396 fd.getSafeSymbol()+"))");
1399 output.println("};");
1401 output.println("unsigned INTPTR * pointerarray[]={");
1402 boolean needcomma=false;
1403 for(int i=0; i<state.numClasses(); i++) {
1404 ClassDescriptor cn=cdarray[i];
1406 output.println(",");
1409 output.print(cn.getSafeSymbol()+"_pointers");
1411 output.print("NULL");
1415 for(int i=0; i<state.numArrays(); i++) {
1417 output.println(", ");
1418 TypeDescriptor tdelement=arraytable[i].dereference();
1419 if (tdelement.isArray()||tdelement.isClass())
1420 output.print("((unsigned INTPTR *)1)");
1426 output.println("};");
1428 output.println("int hasflags[]={");
1429 for(int i=0; i<state.numClasses(); i++) {
1430 ClassDescriptor cn=cdarray[i];
1432 output.println(", ");
1434 if ((cn != null) && (cn.hasFlags()))
1439 output.println("};");
1442 /** Print out table to give us supertypes */
1443 private void generateSuperTypeTable(PrintWriter output) {
1444 output.println("int supertypes[]={");
1445 boolean needcomma=false;
1446 for(int i=0; i<state.numClasses(); i++) {
1447 ClassDescriptor cn=cdarray[i];
1449 output.println(",");
1451 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1452 ClassDescriptor cdsuper=cn.getSuperDesc();
1453 output.print(cdsuper.getId());
1457 output.println("};");
1460 /** Print out table to give us classnames */
1461 /*private void generateClassNameTable(PrintWriter output) {
1462 output.println("char * classname[]={");
1463 boolean needcomma=false;
1464 for(int i=0; i<state.numClasses(); i++) {
1465 ClassDescriptor cn=cdarray[i];
1467 output.println(",");
1469 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1470 output.print("\"" + cn.getSymbol() + "\"");
1472 output.print("\"\"");
1474 output.println("};");
1477 /** Force consistent field ordering between inherited classes. */
1479 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout) {
1481 ClassDescriptor sp=cn.getSuperDesc();
1483 printClassStruct(sp, classdefout, /*globaldefout*/null);
1485 SymbolTable sitbl = cn.getSuperInterfaceTable();
1486 Iterator it_sifs = sitbl.getDescriptorsIterator();
1488 while(it_sifs.hasNext()) {
1489 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1490 printClassStruct(si, classdefout, /*globaldefout*/null);
1494 if (!fieldorder.containsKey(cn)) {
1495 Vector fields=new Vector();
1496 fieldorder.put(cn,fields);
1498 Vector fieldvec=cn.getFieldVec();
1499 for(int i=0;i<fieldvec.size();i++) {
1500 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1502 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1505 it_sifs = sitbl.getDescriptorsIterator();
1506 boolean hasprinted = false;
1507 while(it_sifs.hasNext()) {
1508 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1509 if(si.getFieldTable().contains(fd.getSymbol())) {
1515 // this field has been defined in the super class
1521 if ((sp==null) || (!sp.getFieldTable().contains(fd.getSymbol())))
1526 Vector fields=(Vector)fieldorder.get(cn);
1528 /*Vector */fields = cn.getFieldVec();
1530 for(int i=0; i<fields.size(); i++) {
1531 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1532 String fstring = fd.getSymbol();
1533 if(printedfieldstbl.containsKey(fstring)) {
1534 printedfieldstbl.put(fstring, cn);
1537 printedfieldstbl.put(fstring, cn);
1539 if (state.MGC && fd.getType().isClass()
1540 && fd.getType().getClassDesc().isEnum()) {
1541 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1542 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1543 if ((state.MGC) && (fd.isStatic())) {
1544 // TODO add version for normal Java later
1546 if(globaldefout != null) {
1547 if(fd.isVolatile()) {
1548 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1550 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1553 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" ** "+fd.getSafeSymbol()+";");
1554 } else if ((state.MGC) && (fd.isVolatile())) {
1555 // TODO add version for normal Java later
1557 if(globaldefout != null) {
1558 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1560 classdefout.println(" struct"+fd.getType().getSafeSymbol()+" ** "+fd.getSafeSymbol()+";");
1562 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1564 } else if ((state.MGC) && (fd.isStatic())) {
1565 // TODO add version for normal Java later
1567 if(globaldefout != null) {
1568 if(fd.isVolatile()) {
1569 globaldefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1571 globaldefout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1574 classdefout.println(" "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1575 } else if ((state.MGC) && (fd.isVolatile())) {
1576 // TODO add version for normal Java later
1578 if(globaldefout != null) {
1579 globaldefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1581 classdefout.println(" "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1583 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1588 /* Map flags to integers consistently between inherited
1591 protected void mapFlags(ClassDescriptor cn) {
1592 ClassDescriptor sp=cn.getSuperDesc();
1596 if (!flagorder.containsKey(cn)) {
1597 Hashtable flags=new Hashtable();
1598 flagorder.put(cn,flags);
1600 Hashtable superflags=(Hashtable)flagorder.get(sp);
1601 Iterator superflagit=superflags.keySet().iterator();
1602 while(superflagit.hasNext()) {
1603 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1604 Integer number=(Integer)superflags.get(fd);
1605 flags.put(fd, number);
1606 if ((number.intValue()+1)>max)
1607 max=number.intValue()+1;
1611 Iterator flagit=cn.getFlags();
1612 while(flagit.hasNext()) {
1613 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1614 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1615 flags.put(fd, new Integer(max++));
1621 /** This function outputs (1) structures that parameters are
1622 * passed in (when PRECISE GC is enabled) and (2) function
1623 * prototypes for the methods */
1625 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout) {
1626 /* Output class structure */
1627 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1628 classdefout.println(" int type;");
1631 additionalClassObjectFields( classdefout );
1634 if (state.EVENTMONITOR) {
1635 classdefout.println(" int objuid;");
1638 classdefout.println(" pthread_t tid;");
1639 classdefout.println(" void * lockentry;");
1640 classdefout.println(" int lockcount;");
1643 classdefout.println(" int mutex;");
1644 classdefout.println(" int objlock;");
1645 if(state.MULTICOREGC) {
1646 classdefout.println(" int marked;");
1650 classdefout.println(" int flag;");
1651 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1652 classdefout.println(" void * flagptr;");
1653 } else if (state.MULTICORE) {
1654 classdefout.println(" int version;");
1655 classdefout.println(" int * lock;"); // lock entry for this obj
1656 classdefout.println(" int mutex;");
1657 classdefout.println(" int lockcount;");
1658 if(state.MULTICOREGC) {
1659 classdefout.println(" int marked;");
1662 if (state.OPTIONAL) {
1663 classdefout.println(" int numfses;");
1664 classdefout.println(" int * fses;");
1667 printClassStruct(cn, classdefout, globaldefout);
1668 printedfieldstbl.clear();
1669 classdefout.println("};\n");
1671 if (state.DSM||state.SINGLETM) {
1672 /* Cycle through LocalityBindings */
1673 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1674 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1676 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1677 LocalityBinding lb=lbit.next();
1678 MethodDescriptor md=lb.getMethod();
1679 if (md.getModifiers().isNative()) {
1680 //make sure we only print a native method once
1681 if (nativemethods.contains(md)) {
1682 FlatMethod fm=state.getMethodFlat(md);
1683 generateTempStructs(fm, lb);
1686 nativemethods.add(md);
1688 generateMethod(cn, md, lb, headersout, output);
1691 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1692 MethodDescriptor md=(MethodDescriptor)methodit.next();
1693 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1694 //Need to build param structure for library code
1695 FlatMethod fm=state.getMethodFlat(md);
1696 generateTempStructs(fm, null);
1697 generateMethodParam(cn, md, null, output);
1702 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1703 MethodDescriptor md=(MethodDescriptor)methodit.next();
1704 generateMethod(cn, md, null, headersout, output);
1708 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1709 /* Output parameter structure */
1710 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1711 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1712 if ((state.DSM||state.SINGLETM)&&lb!=null)
1713 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1715 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1716 output.println(" int size;");
1717 output.println(" void * next;");
1718 for(int i=0; i<objectparams.numPointers(); i++) {
1719 TempDescriptor temp=objectparams.getPointer(i);
1720 if(state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1721 output.println(" int " + temp.getSafeSymbol() + ";");
1723 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1726 output.println("};\n");
1730 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1731 FlatMethod fm=state.getMethodFlat(md);
1732 generateTempStructs(fm, lb);
1734 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1735 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1737 generateMethodParam(cn, md, lb, output);
1739 /* Output temp structure */
1740 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1741 if (state.DSM||state.SINGLETM)
1742 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1744 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1745 output.println(" int size;");
1746 output.println(" void * next;");
1747 for(int i=0; i<objecttemps.numPointers(); i++) {
1748 TempDescriptor temp=objecttemps.getPointer(i);
1749 if (temp.getType().isNull())
1750 output.println(" void * "+temp.getSafeSymbol()+";");
1752 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1754 output.println("};\n");
1757 /********* Output method declaration ***********/
1758 if (state.DSM||state.SINGLETM) {
1759 headersout.println("#define D"+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1761 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1763 /* First the return type */
1764 if (md.getReturnType()!=null) {
1765 if(state.MGC && md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1766 headersout.println(" int ");
1767 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1768 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1770 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1772 //catch the constructor case
1773 headersout.print("void ");
1775 /* Next the method name */
1776 if (state.DSM||state.SINGLETM) {
1777 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1779 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1781 boolean printcomma=false;
1782 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1783 if (state.DSM||state.SINGLETM) {
1784 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1786 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1790 /* Output parameter list*/
1791 for(int i=0; i<objectparams.numPrimitives(); i++) {
1792 TempDescriptor temp=objectparams.getPrimitive(i);
1794 headersout.print(", ");
1796 if(state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1797 headersout.print("int " + temp.getSafeSymbol());
1798 } else if (temp.getType().isClass()||temp.getType().isArray())
1799 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1801 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1803 headersout.println(");\n");
1807 /** This function outputs (1) structures that parameters are
1808 * passed in (when PRECISE GC is enabled) and (2) function
1809 * prototypes for the tasks */
1811 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1812 /* Cycle through tasks */
1813 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1815 while(taskit.hasNext()) {
1816 /* Classify parameters */
1817 TaskDescriptor task=(TaskDescriptor)taskit.next();
1818 FlatMethod fm=state.getMethodFlat(task);
1819 generateTempStructs(fm, null);
1821 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1822 TempObject objecttemps=(TempObject) tempstable.get(task);
1824 /* Output parameter structure */
1825 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1826 output.println("struct "+task.getSafeSymbol()+"_params {");
1827 output.println(" int size;");
1828 output.println(" void * next;");
1829 for(int i=0; i<objectparams.numPointers(); i++) {
1830 TempDescriptor temp=objectparams.getPointer(i);
1831 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1834 output.println("};\n");
1835 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1836 maxtaskparams=objectparams.numPointers()+fm.numTags();
1840 /* Output temp structure */
1841 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1842 output.println("struct "+task.getSafeSymbol()+"_locals {");
1843 output.println(" int size;");
1844 output.println(" void * next;");
1845 for(int i=0; i<objecttemps.numPointers(); i++) {
1846 TempDescriptor temp=objecttemps.getPointer(i);
1847 if (temp.getType().isNull())
1848 output.println(" void * "+temp.getSafeSymbol()+";");
1849 else if(temp.getType().isTag())
1850 output.println(" struct "+
1851 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1853 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1855 output.println("};\n");
1858 /* Output task declaration */
1859 headersout.print("void " + task.getSafeSymbol()+"(");
1861 boolean printcomma=false;
1862 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1863 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1865 headersout.print("void * parameterarray[]");
1866 headersout.println(");\n");
1870 /***** Generate code for FlatMethod fm. *****/
1872 Hashtable<FlatAtomicEnterNode, AtomicRecord> atomicmethodmap;
1873 static int atomicmethodcount=0;
1876 BranchAnalysis branchanalysis;
1877 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1878 if (State.PRINTFLAT)
1879 System.out.println(fm.printMethod());
1880 MethodDescriptor md=fm.getMethod();
1881 TaskDescriptor task=fm.getTask();
1882 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1883 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1885 HashSet<AtomicRecord> arset=null;
1886 branchanalysis=null;
1888 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
1890 if (atomicmethodmap==null)
1891 atomicmethodmap=new Hashtable<FlatAtomicEnterNode, AtomicRecord>();
1893 //fix these so we get right strings for local variables
1894 localsprefixaddr=localsprefix;
1895 localsprefixderef=localsprefix+"->";
1896 arset=new HashSet<AtomicRecord>();
1898 //build branchanalysis
1899 branchanalysis=new BranchAnalysis(locality, lb, delaycomp.getNotReady(lb), delaycomp.livecode(lb), state);
1901 //Generate commit methods here
1902 for(Iterator<FlatNode> fnit=fm.getNodeSet().iterator();fnit.hasNext();) {
1903 FlatNode fn=fnit.next();
1904 if (fn.kind()==FKind.FlatAtomicEnterNode&&
1905 locality.getAtomic(lb).get(fn.getPrev(0)).intValue()==0&&
1906 delaycomp.needsFission(lb, (FlatAtomicEnterNode) fn)) {
1907 //We have an atomic enter
1908 FlatAtomicEnterNode faen=(FlatAtomicEnterNode) fn;
1909 Set<FlatNode> exitset=faen.getExits();
1911 String methodname=md.getSymbol()+(atomicmethodcount++);
1912 AtomicRecord ar=new AtomicRecord();
1916 atomicmethodmap.put(faen, ar);
1918 //build data structure declaration
1919 output.println("struct atomicprimitives_"+methodname+" {");
1921 Set<FlatNode> recordset=delaycomp.livecode(lb);
1922 Set<TempDescriptor> liveinto=delaycomp.liveinto(lb, faen, recordset);
1923 Set<TempDescriptor> liveout=delaycomp.liveout(lb, faen);
1924 Set<TempDescriptor> liveoutvirtualread=delaycomp.liveoutvirtualread(lb, faen);
1926 ar.reallivein=new HashSet(liveinto);
1928 ar.liveoutvirtualread=liveoutvirtualread;
1931 for(Iterator<TempDescriptor> it=liveinto.iterator(); it.hasNext();) {
1932 TempDescriptor tmp=it.next();
1933 //remove the pointers
1934 if (tmp.getType().isPtr()) {
1937 //let's print it here
1938 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
1941 for(Iterator<TempDescriptor> it=liveout.iterator(); it.hasNext();) {
1942 TempDescriptor tmp=it.next();
1943 //remove the pointers
1944 if (tmp.getType().isPtr()) {
1946 } else if (!liveinto.contains(tmp)) {
1947 //let's print it here
1948 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
1951 output.println("};");
1953 //print out method name
1954 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) {");
1955 //build code for commit method
1957 //first define local primitives
1958 Set<TempDescriptor> alltemps=delaycomp.alltemps(lb, faen, recordset);
1959 for(Iterator<TempDescriptor> tmpit=alltemps.iterator();tmpit.hasNext();) {
1960 TempDescriptor tmp=tmpit.next();
1961 if (!tmp.getType().isPtr()) {
1962 if (liveinto.contains(tmp)||liveoutvirtualread.contains(tmp)) {
1963 //read from live into set
1964 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+"=primitives->"+tmp.getSafeSymbol()+";");
1967 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
1971 //turn off write barrier generation
1973 state.SINGLETM=false;
1974 generateCode(faen, fm, lb, exitset, output, false);
1975 state.SINGLETM=true;
1976 //turn on write barrier generation
1978 output.println("}\n\n");
1982 //redefine these back to normal
1984 localsprefixaddr="&"+localsprefix;
1985 localsprefixderef=localsprefix+".";
1987 generateHeader(fm, lb, md!=null ? md : task,output);
1988 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1990 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
1991 for(Iterator<AtomicRecord> arit=arset.iterator();arit.hasNext();) {
1992 AtomicRecord ar=arit.next();
1993 output.println("struct atomicprimitives_"+ar.name+" primitives_"+ar.name+";");
1997 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1998 if (md!=null&&(state.DSM||state.SINGLETM))
1999 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
2000 else if (md!=null&&!(state.DSM||state.SINGLETM))
2001 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
2003 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
2004 output.print(objecttemp.numPointers()+",");
2005 output.print(paramsprefix);
2006 for(int j=0; j<objecttemp.numPointers(); j++)
2007 output.print(", NULL");
2008 output.println("};");
2011 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2012 TempDescriptor td=objecttemp.getPrimitive(i);
2013 TypeDescriptor type=td.getType();
2014 if (type.isNull() && !type.isArray())
2015 output.println(" void * "+td.getSafeSymbol()+";");
2016 else if (state.MGC && type.isClass() && type.getClassDesc().isEnum()) {
2017 output.println(" int " + td.getSafeSymbol() + ";");
2018 } else if (type.isClass()||type.isArray())
2019 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2021 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2026 additionalCodeAtTopFlatMethodBody( output, fm );
2030 /* Check to see if we need to do a GC if this is a
2031 * multi-threaded program...*/
2033 if (((state.OOOJAVA||state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC)
2034 || this.state.MULTICOREGC) {
2035 //Don't bother if we aren't in recursive methods...The loops case will catch it
2036 if (callgraph.getAllMethods(md).contains(md)) {
2037 if (state.DSM&&lb.isAtomic())
2038 output.println("if (needtocollect) checkcollect2("+localsprefixaddr+");");
2039 else if (this.state.MULTICOREGC) {
2040 output.println("if(gcflag) gc("+localsprefixaddr+");");
2042 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2048 // TODO add version for normal Java later
2049 if(fm.getMethod().isStaticBlock()) {
2050 // a static block, check if it has been executed
2051 output.println(" if(global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
2052 output.println(" return;");
2053 output.println(" }");
2056 if((!fm.getMethod().isStaticBlock()) && (fm.getMethod().getReturnType() == null) && (cn != null)){
2057 // is a constructor, check and output initialization of the static fields
2058 // here does not initialize the static fields of the class, instead it
2059 // redirect the corresponding fields in the object to the global_defs_p
2060 Vector fields=cn.getFieldVec();
2062 for(int i=0; i<fields.size(); i++) {
2063 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
2066 output.println(generateTemp(fm,fm.getParameter(0),lb)+"->"+fd.getSafeSymbol()+"=&(global_defs_p->"+fd.getSafeSymbol()+");");
2072 generateCode(fm.getNext(0), fm, lb, null, output, true);
2074 output.println("}\n\n");
2079 protected void generateCode(FlatNode first,
2082 Set<FlatNode> stopset,
2084 boolean firstpass) {
2086 /* Assign labels to FlatNode's if necessary.*/
2088 Hashtable<FlatNode, Integer> nodetolabel;
2090 if (state.DELAYCOMP&&!firstpass)
2091 nodetolabel=dcassignLabels(first, stopset);
2093 nodetolabel=assignLabels(first, stopset);
2095 Set<FlatNode> storeset=null;
2096 HashSet<FlatNode> genset=null;
2097 HashSet<FlatNode> refset=null;
2098 Set<FlatNode> unionset=null;
2100 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
2101 storeset=delaycomp.livecode(lb);
2102 genset=new HashSet<FlatNode>();
2103 if (state.STMARRAY&&!state.DUALVIEW) {
2104 refset=new HashSet<FlatNode>();
2105 refset.addAll(delaycomp.getDeref(lb));
2106 refset.removeAll(delaycomp.getCannotDelay(lb));
2107 refset.removeAll(delaycomp.getOther(lb));
2110 genset.addAll(delaycomp.getCannotDelay(lb));
2111 genset.addAll(delaycomp.getOther(lb));
2113 genset.addAll(delaycomp.getNotReady(lb));
2114 if (state.STMARRAY&&!state.DUALVIEW) {
2115 genset.removeAll(refset);
2118 unionset=new HashSet<FlatNode>();
2119 unionset.addAll(storeset);
2120 unionset.addAll(genset);
2121 if (state.STMARRAY&&!state.DUALVIEW)
2122 unionset.addAll(refset);
2125 /* Do the actual code generation */
2126 FlatNode current_node=null;
2127 HashSet tovisit=new HashSet();
2128 HashSet visited=new HashSet();
2130 tovisit.add(first.getNext(0));
2133 while(current_node!=null||!tovisit.isEmpty()) {
2134 if (current_node==null) {
2135 current_node=(FlatNode)tovisit.iterator().next();
2136 tovisit.remove(current_node);
2137 } else if (tovisit.contains(current_node)) {
2138 tovisit.remove(current_node);
2140 visited.add(current_node);
2141 if (nodetolabel.containsKey(current_node)) {
2142 output.println("L"+nodetolabel.get(current_node)+":");
2144 if (state.INSTRUCTIONFAILURE) {
2145 if (state.THREAD||state.DSM||state.SINGLETM) {
2146 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2148 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2150 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2152 if (!state.DELAYCOMP||firstpass) {
2153 generateFlatNode(fm, lb, current_node, output);
2155 //store primitive variables in out set
2156 AtomicRecord ar=atomicmethodmap.get((FlatAtomicEnterNode)first);
2157 Set<TempDescriptor> liveout=ar.liveout;
2158 for(Iterator<TempDescriptor> tmpit=liveout.iterator();tmpit.hasNext();) {
2159 TempDescriptor tmp=tmpit.next();
2160 output.println("primitives->"+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
2163 if (state.OOOJAVA && stopset!=null) {
2164 assert first.getPrev( 0 ) instanceof FlatSESEEnterNode;
2165 assert current_node instanceof FlatSESEExitNode;
2166 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev( 0 );
2167 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2168 assert fsen.getFlatExit().equals( fsxn );
2169 assert fsxn.getFlatEnter().equals( fsen );
2171 if (current_node.kind()!=FKind.FlatReturnNode) {
2173 // TODO add version for normal Java later
2174 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2175 // a static block, check if it has been executed
2176 output.println(" global_defs_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2180 output.println(" return;");
2183 } else if(current_node.numNext()==1) {
2185 if (state.OOOJAVA &&
2186 current_node.kind()==FKind.FlatSESEEnterNode
2188 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2189 generateFlatNode(fm, lb, current_node, output);
2190 nextnode=fsen.getFlatExit().getNext(0);
2191 } else if (state.DELAYCOMP) {
2192 boolean specialprimitive=false;
2193 //skip literals...no need to add extra overhead
2194 if (storeset!=null&&storeset.contains(current_node)&¤t_node.kind()==FKind.FlatLiteralNode) {
2195 TypeDescriptor typedesc=((FlatLiteralNode)current_node).getType();
2196 if (!typedesc.isClass()&&!typedesc.isArray()) {
2197 specialprimitive=true;
2201 if (genset==null||genset.contains(current_node)||specialprimitive)
2202 generateFlatNode(fm, lb, current_node, output);
2203 if (state.STMARRAY&&!state.DUALVIEW&&refset!=null&&refset.contains(current_node)) {
2204 //need to acquire lock
2205 handleArrayDeref(fm, lb, current_node, output, firstpass);
2207 if (storeset!=null&&storeset.contains(current_node)&&!specialprimitive) {
2208 TempDescriptor wrtmp=current_node.writesTemps()[0];
2210 //need to store value written by previous node
2211 if (wrtmp.getType().isPtr()) {
2212 //only lock the objects that may actually need locking
2213 if (recorddc.getNeedTrans(lb, current_node)&&
2214 (!state.STMARRAY||state.DUALVIEW||!wrtmp.getType().isArray()||
2215 wrtmp.getType().getSymbol().equals(TypeUtil.ObjectClass))) {
2216 output.println("STOREPTR("+generateTemp(fm, wrtmp,lb)+");/* "+current_node.nodeid+" */");
2218 output.println("STOREPTRNOLOCK("+generateTemp(fm, wrtmp,lb)+");/* "+current_node.nodeid+" */");
2221 output.println("STORE"+wrtmp.getType().getSafeDescriptor()+"("+generateTemp(fm, wrtmp, lb)+");/* "+current_node.nodeid+" */");
2224 //need to read value read by previous node
2225 if (wrtmp.getType().isPtr()) {
2226 output.println("RESTOREPTR("+generateTemp(fm, wrtmp,lb)+");/* "+current_node.nodeid+" */");
2228 output.println("RESTORE"+wrtmp.getType().getSafeDescriptor()+"("+generateTemp(fm, wrtmp, lb)+"); /* "+current_node.nodeid+" */");
2232 nextnode=current_node.getNext(0);
2235 generateFlatNode(fm, lb, current_node, output);
2236 nextnode=current_node.getNext(0);
2238 if (visited.contains(nextnode)) {
2239 output.println("goto L"+nodetolabel.get(nextnode)+";");
2242 current_node=nextnode;
2243 } else if (current_node.numNext()==2) {
2245 if (state.DELAYCOMP) {
2246 boolean computeside=false;
2248 //need to record which way it should go
2249 if (genset==null||genset.contains(current_node)) {
2250 if (storeset!=null&&storeset.contains(current_node)) {
2251 //need to store which way branch goes
2252 generateStoreFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2254 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2256 //which side to execute
2260 if (genset.contains(current_node)) {
2261 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2262 } else if (storeset.contains(current_node)) {
2264 branchanalysis.generateGroupCode(current_node, output, nodetolabel);
2266 //which side to execute
2271 Set<FlatNode> leftset=DelayComputation.getNext(current_node, 0, unionset, lb,locality, true);
2273 if (leftset.size()==0)
2275 if (visited.contains(current_node.getNext(branch))) {
2276 //already visited -- build jump
2277 output.println("goto L"+nodetolabel.get(current_node.getNext(branch))+";");
2280 current_node=current_node.getNext(branch);
2283 if (!visited.contains(current_node.getNext(1)))
2284 tovisit.add(current_node.getNext(1));
2285 if (visited.contains(current_node.getNext(0))) {
2286 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2289 current_node=current_node.getNext(0);
2293 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2294 if (!visited.contains(current_node.getNext(1)))
2295 tovisit.add(current_node.getNext(1));
2296 if (visited.contains(current_node.getNext(0))) {
2297 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2300 current_node=current_node.getNext(0);
2302 } else throw new Error();
2306 protected void handleArrayDeref(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output, boolean firstpass) {
2307 if (fn.kind()==FKind.FlatSetElementNode) {
2308 FlatSetElementNode fsen=(FlatSetElementNode) fn;
2309 String dst=generateTemp(fm, fsen.getDst(), lb);
2310 String src=generateTemp(fm, fsen.getSrc(), lb);
2311 String index=generateTemp(fm, fsen.getIndex(), lb);
2312 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2314 if (elementtype.isArray()||elementtype.isClass())
2317 type=elementtype.getSafeSymbol()+" ";
2319 output.println("STOREARRAY("+dst+","+index+","+type+")");
2321 output.println("{");
2322 output.println(" struct ArrayObject *array;");
2323 output.println(" int index;");
2324 output.println(" RESTOREARRAY(array,index);");
2325 output.println(" (("+type+"*)(((char *)&array->___length___)+sizeof(int)))[index]="+src+";");
2326 output.println("}");
2328 } else if (fn.kind()==FKind.FlatElementNode) {
2329 FlatElementNode fen=(FlatElementNode) fn;
2330 String src=generateTemp(fm, fen.getSrc(), lb);
2331 String index=generateTemp(fm, fen.getIndex(), lb);
2332 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2333 String dst=generateTemp(fm, fen.getDst(), lb);
2335 if (elementtype.isArray()||elementtype.isClass())
2338 type=elementtype.getSafeSymbol()+" ";
2340 output.println("STOREARRAY("+src+","+index+","+type+")");
2342 output.println("{");
2343 output.println(" struct ArrayObject *array;");
2344 output.println(" int index;");
2345 output.println(" RESTOREARRAY(array,index);");
2346 output.println(" "+dst+"=(("+type+"*)(((char *)&array->___length___)+sizeof(int)))[index];");
2347 output.println("}");
2351 /** Special label assignment for delaycomputation */
2352 protected Hashtable<FlatNode, Integer> dcassignLabels(FlatNode first, Set<FlatNode> lastset) {
2353 HashSet tovisit=new HashSet();
2354 HashSet visited=new HashSet();
2356 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2358 //Label targets of branches
2359 Set<FlatNode> targets=branchanalysis.getTargets();
2360 for(Iterator<FlatNode> it=targets.iterator();it.hasNext();) {
2361 nodetolabel.put(it.next(), new Integer(labelindex++));
2366 /*Assign labels first. A node needs a label if the previous
2367 * node has two exits or this node is a join point. */
2369 while(!tovisit.isEmpty()) {
2370 FlatNode fn=(FlatNode)tovisit.iterator().next();
2375 if(lastset!=null&&lastset.contains(fn)) {
2376 // if last is not null and matches, don't go
2377 // any further for assigning labels
2381 for(int i=0; i<fn.numNext(); i++) {
2382 FlatNode nn=fn.getNext(i);
2385 //1) Edge >1 of node
2386 nodetolabel.put(nn,new Integer(labelindex++));
2388 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2392 nodetolabel.put(nn,new Integer(labelindex++));
2400 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first) {
2401 return assignLabels(first, null);
2404 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2405 HashSet tovisit=new HashSet();
2406 HashSet visited=new HashSet();
2408 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2411 /*Assign labels first. A node needs a label if the previous
2412 * node has two exits or this node is a join point. */
2414 while(!tovisit.isEmpty()) {
2415 FlatNode fn=(FlatNode)tovisit.iterator().next();
2420 if(lastset!=null&&lastset.contains(fn)) {
2421 // if last is not null and matches, don't go
2422 // any further for assigning labels
2426 for(int i=0; i<fn.numNext(); i++) {
2427 FlatNode nn=fn.getNext(i);
2430 //1) Edge >1 of node
2431 nodetolabel.put(nn,new Integer(labelindex++));
2433 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2437 nodetolabel.put(nn,new Integer(labelindex++));
2445 /** Generate text string that corresponds to the TempDescriptor td. */
2446 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
2447 MethodDescriptor md=fm.getMethod();
2448 TaskDescriptor task=fm.getTask();
2449 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
2451 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2452 return td.getSafeSymbol();
2455 if (objecttemps.isLocalPtr(td)) {
2456 return localsprefixderef+td.getSafeSymbol();
2459 if (objecttemps.isParamPtr(td)) {
2460 return paramsprefix+"->"+td.getSafeSymbol();
2468 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
2471 additionalCodePreNode( fm, lb, fn, output );
2475 case FKind.FlatAtomicEnterNode:
2476 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
2479 case FKind.FlatAtomicExitNode:
2480 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
2483 case FKind.FlatInstanceOfNode:
2484 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
2487 case FKind.FlatSESEEnterNode:
2488 generateFlatSESEEnterNode(fm, lb, (FlatSESEEnterNode)fn, output);
2491 case FKind.FlatSESEExitNode:
2492 generateFlatSESEExitNode(fm, lb, (FlatSESEExitNode)fn, output);
2495 case FKind.FlatWriteDynamicVarNode:
2496 generateFlatWriteDynamicVarNode(fm, lb, (FlatWriteDynamicVarNode)fn, output);
2499 case FKind.FlatGlobalConvNode:
2500 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
2503 case FKind.FlatTagDeclaration:
2504 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
2507 case FKind.FlatCall:
2508 generateFlatCall(fm, lb, (FlatCall) fn,output);
2511 case FKind.FlatFieldNode:
2512 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
2515 case FKind.FlatElementNode:
2516 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
2519 case FKind.FlatSetElementNode:
2520 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
2523 case FKind.FlatSetFieldNode:
2524 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
2528 generateFlatNew(fm, lb, (FlatNew) fn,output);
2531 case FKind.FlatOpNode:
2532 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
2535 case FKind.FlatCastNode:
2536 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
2539 case FKind.FlatLiteralNode:
2540 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
2543 case FKind.FlatReturnNode:
2544 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
2548 output.println("/* nop */");
2551 case FKind.FlatGenReachNode:
2552 // this node is just for generating a reach graph
2553 // in disjointness analysis at a particular program point
2556 case FKind.FlatExit:
2557 output.println("/* exit */");
2560 case FKind.FlatBackEdge:
2561 if (state.SINGLETM&&state.SANDBOX&&(locality.getAtomic(lb).get(fn).intValue()>0)) {
2562 output.println("if (unlikely((--transaction_check_counter)<=0)) checkObjects();");
2564 if(state.DSM&&state.SANDBOX&&(locality.getAtomic(lb).get(fn).intValue()>0)) {
2565 output.println("if (unlikely((--transaction_check_counter)<=0)) checkObjects();");
2567 if (((state.OOOJAVA||state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC)
2568 || (this.state.MULTICOREGC)) {
2569 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
2570 output.println("if (needtocollect) checkcollect2("+localsprefixaddr+");");
2571 } else if(this.state.MULTICOREGC) {
2572 output.println("if (gcflag) gc("+localsprefixaddr+");");
2574 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2577 output.println("/* nop */");
2580 case FKind.FlatCheckNode:
2581 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
2584 case FKind.FlatFlagActionNode:
2585 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
2588 case FKind.FlatPrefetchNode:
2589 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
2592 case FKind.FlatOffsetNode:
2593 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
2601 additionalCodePostNode( fm, lb, fn, output );
2604 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
2605 output.println("/* FlatOffsetNode */");
2606 FieldDescriptor fd=fofn.getField();
2607 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2608 fd.getSafeSymbol()+");");
2609 output.println("/* offset */");
2612 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
2613 if (state.PREFETCH) {
2614 Vector oids = new Vector();
2615 Vector fieldoffset = new Vector();
2616 Vector endoffset = new Vector();
2617 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
2618 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
2619 PrefetchPair pp = (PrefetchPair) it.next();
2620 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
2621 /* Find prefetches that can generate oid */
2622 if(statusbase == LocalityAnalysis.GLOBAL) {
2623 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
2625 } else if (statusbase == LocalityAnalysis.LOCAL) {
2626 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
2633 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
2634 output.println("{");
2635 output.println("/* prefetch */");
2636 output.println("/* prefetchid_" + fpn.siteid + " */");
2637 output.println("void * prefptr;");
2638 output.println("int tmpindex;");
2640 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
2641 /*Create C code for oid array */
2642 output.print(" unsigned int oidarray_[] = {");
2643 boolean needcomma=false;
2644 for (Iterator it = oids.iterator(); it.hasNext();) {
2647 output.print(it.next());
2650 output.println("};");
2652 /*Create C code for endoffset values */
2653 output.print(" unsigned short endoffsetarry_[] = {");
2655 for (Iterator it = endoffset.iterator(); it.hasNext();) {
2658 output.print(it.next());
2661 output.println("};");
2663 /*Create C code for Field Offset Values */
2664 output.print(" short fieldarry_[] = {");
2666 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
2669 output.print(it.next());
2672 output.println("};");
2673 /* make the prefetch call to Runtime */
2674 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
2675 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
2676 output.println(" }");
2677 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
2678 output.println(" } else {");
2679 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
2680 output.println(" }");
2681 output.println("}");
2685 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
2686 short offsetcount = 0;
2690 } else if (localbase) {
2691 for(; breakindex<pp.desc.size(); breakindex++) {
2692 Descriptor desc=pp.getDescAt(breakindex);
2693 if (desc instanceof FieldDescriptor) {
2694 FieldDescriptor fd=(FieldDescriptor)desc;
2695 if (fd.isGlobal()) {
2703 if (breakindex>pp.desc.size()) //all local
2706 TypeDescriptor lasttype=pp.base.getType();
2707 String basestr=generateTemp(fm, pp.base, lb);
2709 boolean maybenull=fm.getMethod().isStatic()||
2710 !pp.base.equals(fm.getParameter(0));
2712 for(int i=0; i<breakindex; i++) {
2713 String indexcheck="";
2715 Descriptor desc=pp.getDescAt(i);
2716 if (desc instanceof FieldDescriptor) {
2717 FieldDescriptor fd=(FieldDescriptor)desc;
2719 if (!teststr.equals(""))
2721 teststr+="((prefptr="+basestr+")!=NULL)";
2722 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+
2725 basestr=basestr+"->"+
2729 lasttype=fd.getType();
2731 IndexDescriptor id=(IndexDescriptor)desc;
2732 indexcheck="((tmpindex=";
2733 for(int j=0; j<id.tddesc.size(); j++) {
2734 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
2736 indexcheck+=id.offset+")>=0)&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
2738 if (!teststr.equals(""))
2740 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
2741 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
2743 lasttype=lasttype.dereference();
2748 if (teststr.equals("")) {
2749 oid="((unsigned int)"+basestr+")";
2751 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
2755 for(int i = breakindex; i < pp.desc.size(); i++) {
2756 String newfieldoffset;
2757 Object desc = pp.getDescAt(i);
2758 if(desc instanceof FieldDescriptor) {
2759 FieldDescriptor fd=(FieldDescriptor)desc;
2760 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
2761 lasttype=fd.getType();
2763 newfieldoffset = "";
2764 IndexDescriptor id=(IndexDescriptor)desc;
2765 for(int j = 0; j < id.tddesc.size(); j++) {
2766 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
2768 newfieldoffset += id.offset.toString();
2769 lasttype=lasttype.dereference();
2771 fieldoffset.add(newfieldoffset);
2774 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
2775 base+=pp.desc.size()-breakindex;
2776 endoffset.add(new Short((short)base));
2781 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
2782 if (lb!=fgcn.getLocality())
2784 /* Have to generate flat globalconv */
2785 if (fgcn.getMakePtr()) {
2787 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
2789 if ((dc==null)||!state.READSET&&dc.getNeedTrans(lb, fgcn)||state.READSET&&dc.getNeedWriteTrans(lb, fgcn)) {
2790 //need to do translation
2791 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+", (void *)("+localsprefixaddr+"));");
2792 } else if (state.READSET&&dc.getNeedTrans(lb, fgcn)) {
2793 if (state.HYBRID&&delaycomp.getConv(lb).contains(fgcn)) {
2794 output.println("TRANSREADRDFISSION("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+");");
2796 output.println("TRANSREADRD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+");");
2800 /* Need to convert to OID */
2801 if ((dc==null)||dc.getNeedSrcTrans(lb,fgcn)) {
2802 if (fgcn.doConvert()||(delaycomp!=null&&delaycomp.needsFission(lb, fgcn.getAtomicEnter())&&atomicmethodmap.get(fgcn.getAtomicEnter()).reallivein.contains(fgcn.getSrc()))) {
2803 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
2805 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
2811 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
2813 if (fion.getType().isArray()) {
2814 type=state.getArrayNumber(fion.getType())+state.numClasses();
2816 type=fion.getType().getClassDesc().getId();
2819 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2820 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
2822 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
2825 int sandboxcounter=0;
2826 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
2827 /* Check to see if we need to generate code for this atomic */
2828 if (locality==null) {
2829 if (GENERATEPRECISEGC) {
2830 output.println("if (pthread_mutex_trylock(&atomiclock)!=0) {");
2831 output.println("stopforgc((struct garbagelist *) &___locals___);");
2832 output.println("pthread_mutex_lock(&atomiclock);");
2833 output.println("restartaftergc();");
2834 output.println("}");
2836 output.println("pthread_mutex_lock(&atomiclock);");
2841 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
2845 if (state.SANDBOX) {
2846 outsandbox.println("int atomiccounter"+sandboxcounter+"=LOW_CHECK_FREQUENCY;");
2847 output.println("counter_reset_pointer=&atomiccounter"+sandboxcounter+";");
2850 if (state.DELAYCOMP&&delaycomp.needsFission(lb, faen)) {
2851 AtomicRecord ar=atomicmethodmap.get(faen);
2853 for(Iterator<TempDescriptor> tmpit=ar.livein.iterator();tmpit.hasNext();) {
2854 TempDescriptor tmp=tmpit.next();
2855 output.println("primitives_"+ar.name+"."+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
2858 //copy outs that depend on path
2859 for(Iterator<TempDescriptor> tmpit=ar.liveoutvirtualread.iterator();tmpit.hasNext();) {
2860 TempDescriptor tmp=tmpit.next();
2861 if (!ar.livein.contains(tmp))
2862 output.println("primitives_"+ar.name+"."+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
2866 /* Backup the temps. */
2867 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2868 TempDescriptor tmp=tmpit.next();
2869 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
2872 output.println("goto transstart"+faen.getIdentifier()+";");
2874 /******* Print code to retry aborted transaction *******/
2875 output.println("transretry"+faen.getIdentifier()+":");
2878 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2879 TempDescriptor tmp=tmpit.next();
2880 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
2884 /********* Need to revert local object store ********/
2885 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2887 output.println("while ("+revertptr+") {");
2888 output.println("struct ___Object___ * tmpptr;");
2889 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2890 output.println("REVERT_OBJ("+revertptr+");");
2891 output.println(revertptr+"=tmpptr;");
2892 output.println("}");
2894 /******* Tell the runtime to start the transaction *******/
2896 output.println("transstart"+faen.getIdentifier()+":");
2897 if (state.SANDBOX) {
2898 output.println("transaction_check_counter=*counter_reset_pointer;");
2901 output.println("transStart();");
2903 if (state.ABORTREADERS||state.SANDBOX) {
2905 output.println("abortenabled=1;");
2906 output.println("if (_setjmp(aborttrans)) {");
2907 output.println(" goto transretry"+faen.getIdentifier()+"; }");
2911 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
2912 /* Check to see if we need to generate code for this atomic */
2913 if (locality==null) {
2914 output.println("pthread_mutex_unlock(&atomiclock);");
2917 if (locality.getAtomic(lb).get(faen).intValue()>0)
2919 //store the revert list before we lose the transaction object
2922 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2923 output.println(revertptr+"=revertlist;");
2924 output.println("if (transCommit()) {");
2925 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2926 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2927 output.println("} else {");
2928 /* Need to commit local object store */
2929 output.println("while ("+revertptr+") {");
2930 output.println("struct ___Object___ * tmpptr;");
2931 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2932 output.println("COMMIT_OBJ("+revertptr+");");
2933 output.println(revertptr+"=tmpptr;");
2934 output.println("}");
2935 output.println("}");
2939 if (!state.DELAYCOMP) {
2941 output.println("if (transCommit()) {");
2942 /* Transaction aborts if it returns true */
2943 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2944 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2945 output.println("}");
2947 if (delaycomp.optimizeTrans(lb, faen.getAtomicEnter())&&(!state.STMARRAY||state.DUALVIEW)) {
2948 AtomicRecord ar=atomicmethodmap.get(faen.getAtomicEnter());
2949 output.println("LIGHTWEIGHTCOMMIT("+ar.name+", &primitives_"+ar.name+", &"+localsprefix+", "+paramsprefix+", transretry"+faen.getAtomicEnter().getIdentifier()+");");
2951 for(Iterator<TempDescriptor> tmpit=ar.liveout.iterator();tmpit.hasNext();) {
2952 TempDescriptor tmp=tmpit.next();
2953 output.println(tmp.getSafeSymbol()+"=primitives_"+ar.name+"."+tmp.getSafeSymbol()+";");
2955 } else if (delaycomp.needsFission(lb, faen.getAtomicEnter())) {
2956 AtomicRecord ar=atomicmethodmap.get(faen.getAtomicEnter());
2958 output.println("if (transCommit((void (*)(void *, void *, void *))&"+ar.name+", &primitives_"+ar.name+", &"+localsprefix+", "+paramsprefix+")) {");
2959 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2960 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2961 output.println("}");
2963 output.println("else {");
2964 for(Iterator<TempDescriptor> tmpit=ar.liveout.iterator();tmpit.hasNext();) {
2965 TempDescriptor tmp=tmpit.next();
2966 output.println(tmp.getSafeSymbol()+"=primitives_"+ar.name+"."+tmp.getSafeSymbol()+";");
2968 output.println("}");
2970 output.println("if (transCommit(NULL, NULL, NULL, NULL)) {");
2971 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2972 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2973 output.println("}");
2978 public void generateFlatSESEEnterNode( FlatMethod fm,
2980 FlatSESEEnterNode fsen,
2981 PrintWriter output) {
2982 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2983 // just skip over them and code generates exactly the same
2986 public void generateFlatSESEExitNode( FlatMethod fm,
2988 FlatSESEExitNode fsexn,
2989 PrintWriter output) {
2990 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2991 // just skip over them and code generates exactly the same
2994 public void generateFlatWriteDynamicVarNode( FlatMethod fm,
2996 FlatWriteDynamicVarNode fwdvn,
2999 if( !state.OOOJAVA ) {
3000 // should node should not be in an IR graph if the
3001 // OOOJAVA flag is not set
3002 throw new Error("Unexpected presence of FlatWriteDynamicVarNode");
3007 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
3008 if (state.CONSCHECK) {
3009 String specname=fcn.getSpec();
3010 String varname="repairstate___";
3011 output.println("{");
3012 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
3014 TempDescriptor[] temps=fcn.getTemps();
3015 String[] vars=fcn.getVars();
3016 for(int i=0; i<temps.length; i++) {
3017 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
3020 output.println("if (doanalysis"+specname+"("+varname+")) {");
3021 output.println("free"+specname+"_state("+varname+");");
3022 output.println("} else {");
3023 output.println("/* Bad invariant */");
3024 output.println("free"+specname+"_state("+varname+");");
3025 output.println("abort_task();");
3026 output.println("}");
3027 output.println("}");
3031 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
3033 MethodDescriptor md=fc.getMethod();
3034 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? locality.getBinding(lb, fc) : md);
3035 ClassDescriptor cn=md.getClassDesc();
3037 // if the called method is a static block or a static method or a constructor
3038 // need to check if it can be invoked inside some static block
3040 // TODO add version for normal Java later
3041 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
3042 ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic()))) {
3043 if(!md.isInvokedByStatic()) {
3044 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
3046 // is a static block or is invoked in some static block
3047 ClassDescriptor cd = fm.getMethod().getClassDesc();
3049 // the same class, do nothing
3050 // TODO may want to invoke static field initialization here
3052 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
3053 // need to check if the class' static fields have been initialized and/or
3054 // its static blocks have been executed
3055 output.println("#ifdef MGC_STATIC_INIT_CHECK");
3056 output.println("if(global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
3057 if(cn.getNumStaticBlocks() != 0) {
3058 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
3059 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
3061 output.println(" global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
3063 output.println("}");
3064 output.println("#endif // MGC_STATIC_INIT_CHECK");
3068 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
3069 // call MonitorEnter/MonitorExit on a class obj
3070 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
3071 +md.getSafeMethodDescriptor() + "((struct ___Object___*)(&global_defs_p->"
3072 + fc.getThis().getType().getClassDesc().getSafeSymbol() +"classobj));");
3077 output.println("{");
3078 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3080 LocalityBinding fclb=locality.getBinding(lb, fc);
3081 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
3083 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
3084 output.print(objectparams.numPointers());
3085 output.print(", "+localsprefixaddr);
3086 if (md.getThis()!=null) {
3088 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
3090 if (fc.getThis()!=null&&md.getThis()==null) {
3091 System.out.println("WARNING!!!!!!!!!!!!");
3092 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
3096 for(int i=0; i<fc.numArgs(); i++) {
3097 Descriptor var=md.getParameter(i);
3098 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
3099 if (objectparams.isParamPtr(paramtemp)) {
3100 TempDescriptor targ=fc.getArg(i);
3102 TypeDescriptor td=md.getParamType(i);
3104 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
3106 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
3109 output.println("};");
3114 if (fc.getReturnTemp()!=null)
3115 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
3117 /* Do we need to do virtual dispatch? */
3118 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
3121 LocalityBinding fclb=locality.getBinding(lb, fc);
3122 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
3124 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
3129 if (state.MGC && md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
3130 output.print("int ");
3131 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
3132 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
3134 output.print(md.getReturnType().getSafeSymbol()+" ");
3135 output.print("(*)(");
3137 boolean printcomma=false;
3138 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3140 LocalityBinding fclb=locality.getBinding(lb, fc);
3141 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
3143 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
3147 for(int i=0; i<objectparams.numPrimitives(); i++) {
3148 TempDescriptor temp=objectparams.getPrimitive(i);
3152 if (state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3153 output.print("int ");
3154 } else if (temp.getType().isClass()||temp.getType().isArray())
3155 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
3157 output.print(temp.getType().getSafeSymbol());
3162 LocalityBinding fclb=locality.getBinding(lb, fc);
3163 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
3165 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
3169 boolean needcomma=false;
3170 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3171 output.print("&__parameterlist__");
3175 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
3176 if (fc.getThis()!=null) {
3177 TypeDescriptor ptd=null;
3178 if(md.getThis() != null) {
3179 ptd = md.getThis().getType();
3181 ptd = fc.getThis().getType();
3185 if(state.MGC && ptd.isClass() && ptd.getClassDesc().isEnum()) {
3187 } else if (ptd.isClass()&&!ptd.isArray())
3188 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
3189 output.print(generateTemp(fm,fc.getThis(),lb));
3194 for(int i=0; i<fc.numArgs(); i++) {
3195 Descriptor var=md.getParameter(i);
3196 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
3197 if (objectparams.isParamPrim(paramtemp)) {
3198 TempDescriptor targ=fc.getArg(i);
3202 TypeDescriptor ptd=md.getParamType(i);
3203 if (state.MGC && ptd.isClass() && ptd.getClassDesc().isEnum()) {
3205 } else if (ptd.isClass()&&!ptd.isArray())
3206 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
3207 output.print(generateTemp(fm, targ,lb));
3211 output.println(");");
3212 output.println(" }");
3215 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
3216 Set subclasses=typeutil.getSubClasses(thiscd);
3217 if (subclasses==null)
3219 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
3220 ClassDescriptor cd=(ClassDescriptor)classit.next();
3221 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
3222 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
3223 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
3224 if (md.matches(matchmd))
3231 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
3232 if (state.SINGLETM) {
3233 //single machine transactional memory case
3234 String field=ffn.getField().getSafeSymbol();
3235 String src=generateTemp(fm, ffn.getSrc(),lb);
3236 String dst=generateTemp(fm, ffn.getDst(),lb);
3238 output.println(dst+"="+ src +"->"+field+ ";");
3239 if (ffn.getField().getType().isPtr()&&locality.getAtomic(lb).get(ffn).intValue()>0&&
3240 locality.getNodePreTempInfo(lb, ffn).get(ffn.getSrc())!=LocalityAnalysis.SCRATCH) {
3241 if ((dc==null)||(!state.READSET&&dc.getNeedTrans(lb, ffn))||
3242 (state.READSET&&dc.getNeedWriteTrans(lb, ffn))) {
3243 output.println("TRANSREAD("+dst+", "+dst+", (void *) (" + localsprefixaddr + "));");
3244 } else if (state.READSET&&dc.getNeedTrans(lb, ffn)) {
3245 if (state.HYBRID&&delaycomp.getConv(lb).contains(ffn)) {
3246 output.println("TRANSREADRDFISSION("+dst+", "+dst+");");
3248 output.println("TRANSREADRD("+dst+", "+dst+");");
3251 } else if (state.DSM) {
3252 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
3253 if (status==LocalityAnalysis.GLOBAL) {
3254 String field=ffn.getField().getSafeSymbol();
3255 String src=generateTemp(fm, ffn.getSrc(),lb);
3256 String dst=generateTemp(fm, ffn.getDst(),lb);
3258 if (ffn.getField().getType().isPtr()) {
3259 output.println(dst+"="+ src +"->"+field+ ";");
3260 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
3262 output.println(dst+"="+ src+"->"+field+";");
3264 } else if (status==LocalityAnalysis.LOCAL) {
3265 if (ffn.getField().getType().isPtr()&&
3266 ffn.getField().isGlobal()) {
3267 String field=ffn.getField().getSafeSymbol();
3268 String src=generateTemp(fm, ffn.getSrc(),lb);
3269 String dst=generateTemp(fm, ffn.getDst(),lb);
3270 output.println(dst+"="+ src +"->"+field+ ";");
3271 if (locality.getAtomic(lb).get(ffn).intValue()>0)
3272 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
3274 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
3275 } else if (status==LocalityAnalysis.EITHER) {
3276 //Code is reading from a null pointer
3277 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
3278 output.println("#ifndef RAW");
3279 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
3280 output.println("#endif");
3281 //This should throw a suitable null pointer error
3282 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
3284 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
3287 // TODO add version for normal Java later
3288 if(ffn.getField().isStatic()) {
3290 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
3291 // is a static block or is invoked in some static block
3292 ClassDescriptor cd = fm.getMethod().getClassDesc();
3293 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
3295 // the same class, do nothing
3296 // TODO may want to invoke static field initialization here
3298 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
3299 // need to check if the class' static fields have been initialized and/or
3300 // its static blocks have been executed
3301 output.println("#ifdef MGC_STATIC_INIT_CHECK");
3302 output.println("if(global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
3303 if(cn.getNumStaticBlocks() != 0) {
3304 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
3305 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
3307 output.println(" global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
3309 output.println("}");
3310 output.println("#endif // MGC_STATIC_INIT_CHECK");
3314 // redirect to the global_defs_p structure
3315 if((ffn.getField().isStatic()) || (ffn.getSrc().getType().isClassNameRef())) {
3316 // reference to the static field with Class name
3317 output.println(generateTemp(fm, ffn.getDst(),lb)+"=global_defs_p->"+
3318 ffn.getField().getClassDescriptor().getSafeSymbol()+ffn.getField().getSafeSymbol()+";");
3320 output.println(generateTemp(fm, ffn.getDst(),lb)+"=*"+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
3322 } else if (ffn.getField().isEnum()) {
3323 // an Enum value, directly replace the field access as int
3324 output.println(generateTemp(fm, ffn.getDst(), lb) + "=" + ffn.getField().enumValue() + ";");
3326 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
3329 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
3335 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
3336 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
3337 throw new Error("Can't set array length");
3338 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
3339 //Single Machine Transaction Case
3340 boolean srcptr=fsfn.getSrc().getType().isPtr();
3341 String src=generateTemp(fm,fsfn.getSrc(),lb);
3342 String dst=generateTemp(fm,fsfn.getDst(),lb);
3343 output.println("//"+srcptr+" "+fsfn.getSrc().getType().isNull());
3344 if (srcptr&&!fsfn.getSrc().getType().isNull()) {
3345 output.println("{");
3346 if ((dc==null)||dc.getNeedSrcTrans(lb, fsfn)&&
3347 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getSrc())!=LocalityAnalysis.SCRATCH) {
3348 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
3350 output.println("INTPTR srcoid=(INTPTR)"+src+";");
3353 if (wb.needBarrier(fsfn)&&
3354 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getDst())!=LocalityAnalysis.SCRATCH) {
3355 if (state.EVENTMONITOR) {
3356 output.println("if ("+dst+"->___objstatus___&DIRTY) EVLOGEVENTOBJ(EV_WRITE,"+dst+"->objuid)");
3358 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
3360 if (srcptr&!fsfn.getSrc().getType().isNull()) {
3361 output.println("*((unsigned INTPTR *)&("+dst+"->"+
3362 fsfn.getField().getSafeSymbol()+"))=srcoid;");
3363 output.println("}");
3365 output.println(dst+"->"+
3366 fsfn.getField().getSafeSymbol()+"="+ src+";");
3368 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
3369 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
3370 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
3371 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
3373 String src=generateTemp(fm,fsfn.getSrc(),lb);
3374 String dst=generateTemp(fm,fsfn.getDst(),lb);
3376 output.println("{");
3377 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
3379 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
3382 if (wb.needBarrier(fsfn))
3383 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
3385 output.println("*((unsigned INTPTR *)&("+glbdst+"->"+
3386 fsfn.getField().getSafeSymbol()+"))=srcoid;");
3388 output.println(glbdst+"->"+
3389 fsfn.getField().getSafeSymbol()+"="+ src+";");
3390 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
3391 /** Check if we need to copy */
3392 output.println("if(!"+dst+"->"+localcopystr+") {");
3393 /* Link object into list */
3394 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3395 output.println(revertptr+"=revertlist;");
3396 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
3397 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3399 output.println("COPY_OBJ("+dst+");");
3400 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
3401 output.println("revertlist=(struct ___Object___ *)"+dst+";");
3402 output.println("}");
3404 output.println(dst+"->"+
3405 fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
3407 output.println(dst+"->"+
3408 fsfn.getField().getSafeSymbol()+"="+ src+";");
3409 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
3410 //writing to a null...bad
3411 output.println("if ("+dst+") {");
3412 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
3414 output.println(dst+"->"+
3415 fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
3417 output.println(dst+"->"+
3418 fsfn.getField().getSafeSymbol()+"="+ src+";");
3421 output.println("}");
3424 if (state.FASTCHECK) {
3425 String dst=generateTemp(fm, fsfn.getDst(),lb);
3426 output.println("if(!"+dst+"->"+localcopystr+") {");
3427 /* Link object into list */
3428 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
3429 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3431 output.println("COPY_OBJ("+dst+");");
3432 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3433 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3434 output.println("}");
3437 // TODO add version for normal Java later
3438 if(fsfn.getField().isStatic()) {
3440 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
3441 // is a static block or is invoked in some static block
3442 ClassDescriptor cd = fm.getMethod().getClassDesc();
3443 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
3445 // the same class, do nothing
3446 // TODO may want to invoke static field initialization here
3448 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
3449 // need to check if the class' static fields have been initialized and/or
3450 // its static blocks have been executed
3451 output.println("#ifdef MGC_STATIC_INIT_CHECK");
3452 output.println("if(global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
3453 if(cn.getNumStaticFields() != 0) {
3454 // TODO add static field initialization here
3456 if(cn.getNumStaticBlocks() != 0) {
3457 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
3458 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
3460 output.println(" global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
3462 output.println("}");
3463 output.println("#endif // MGC_STATIC_INIT_CHECK");
3467 // redirect to the global_defs_p structure
3468 if(fsfn.getDst().getType().isClassNameRef()) {
3469 // reference to the static field with Class name
3470 output.println("global_defs_p->" +
3471 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
3473 output.println("*"+generateTemp(fm, fsfn.getDst(),lb)+"->"+
3474 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
3477 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+
3478 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
3481 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+
3482 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
3487 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
3488 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
3491 if (state.MGC && elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
3493 } else if (elementtype.isArray()||elementtype.isClass())
3496 type=elementtype.getSafeSymbol()+" ";
3498 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
3499 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex(),lb)+") >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___))");
3500 output.println("failedboundschk();");
3502 if (state.SINGLETM) {
3503 //Single machine transaction case
3504 String dst=generateTemp(fm, fen.getDst(),lb);
3505 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))) {
3506 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3508 output.println("STMGETARRAY("+dst+", "+ generateTemp(fm,fen.getSrc(),lb)+", "+generateTemp(fm, fen.getIndex(),lb)+", "+type+");");
3511 if (elementtype.isPtr()&&locality.getAtomic(lb).get(fen).intValue()>0&&
3512 locality.getNodePreTempInfo(lb, fen).get(fen.getSrc())!=LocalityAnalysis.SCRATCH) {
3513 if ((dc==null)||!state.READSET&&dc.getNeedTrans(lb, fen)||state.READSET&&dc.getNeedWriteTrans(lb, fen)) {
3514 output.println("TRANSREAD("+dst+", "+dst+", (void *)(" + localsprefixaddr+"));");
3515 } else if (state.READSET&&dc.getNeedTrans(lb, fen)) {
3516 if (state.HYBRID&&delaycomp.getConv(lb).contains(fen)) {
3517 output.println("TRANSREADRDFISSION("+dst+", "+dst+");");
3519 output.println("TRANSREADRD("+dst+", "+dst+");");
3522 } else if (state.DSM) {
3523 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
3524 if (status==LocalityAnalysis.GLOBAL) {
3525 String dst=generateTemp(fm, fen.getDst(),lb);
3526 if (elementtype.isPtr()) {
3527 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3528 output.println("TRANSREAD("+dst+", "+dst+");");
3530 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3532 } else if (status==LocalityAnalysis.LOCAL) {
3533 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3534 } else if (status==LocalityAnalysis.EITHER) {
3535 //Code is reading from a null pointer
3536 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
3537 output.println("#ifndef RAW");
3538 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
3539 output.println("#endif");
3540 //This should throw a suitable null pointer error
3541 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3543 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
3545 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3549 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
3550 //TODO: need dynamic check to make sure this assignment is actually legal
3551 //Because Object[] could actually be something more specific...ie. Integer[]
3553 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
3556 if (state.MGC && elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
3558 } else if (elementtype.isArray()||elementtype.isClass() || (state.MGC && elementtype.isNull()))
3561 type=elementtype.getSafeSymbol()+" ";
3563 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
3564 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex(),lb)+") >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___))");
3565 output.println("failedboundschk();");
3568 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
3569 //Transaction set element case
3570 if (wb.needBarrier(fsen)&&
3571 locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH) {
3572 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
3574 if (fsen.getSrc().getType().isPtr()&&!fsen.getSrc().getType().isNull()) {
3575 output.println("{");
3576 String src=generateTemp(fm, fsen.getSrc(), lb);
3577 if ((dc==null)||dc.getNeedSrcTrans(lb, fsen)&&
3578 locality.getNodePreTempInfo(lb, fsen).get(fsen.getSrc())!=LocalityAnalysis.SCRATCH) {
3579 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
3581 output.println("INTPTR srcoid=(INTPTR)"+src+";");
3583 if (state.STMARRAY&&locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH&&wb.needBarrier(fsen)&&locality.getAtomic(lb).get(fsen).intValue()>0) {
3584 output.println("STMSETARRAY("+generateTemp(fm, fsen.getDst(),lb)+", "+generateTemp(fm, fsen.getIndex(),lb)+", srcoid, INTPTR);");
3586 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
3588 output.println("}");
3590 if (state.STMARRAY&&locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH&&wb.needBarrier(fsen)&&locality.getAtomic(lb).get(fsen).intValue()>0) {
3591 output.println("STMSETARRAY("+generateTemp(fm, fsen.getDst(),lb)+", "+generateTemp(fm, fsen.getIndex(),lb)+", "+ generateTemp(fm, fsen.getSrc(), lb) +", "+type+");");
3593 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
3596 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
3597 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
3598 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
3599 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
3600 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
3601 boolean dstlocal=(statusdst==LocalityAnalysis.LOCAL)||(statusdst==LocalityAnalysis.EITHER);
3604 if (wb.needBarrier(fsen))
3605 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
3606 } else if (dstlocal) {
3607 /** Check if we need to copy */
3608 String dst=generateTemp(fm, fsen.getDst(),lb);
3609 output.println("if(!"+dst+"->"+localcopystr+") {");
3610 /* Link object into list */
3611 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3612 output.println(revertptr+"=revertlist;");
3613 if ((GENERATEPRECISEGC) || this.state.MULTICOREGC)
3614 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3616 output.println("COPY_OBJ("+dst+");");
3617 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
3618 output.println("revertlist=(struct ___Object___ *)"+dst+";");
3619 output.println("}");
3621 System.out.println("Node: "+fsen);
3622 System.out.println(lb);
3623 System.out.println("statusdst="+statusdst);
3624 System.out.println(fm.printMethod());
3625 throw new Error("Unknown array type");
3628 output.println("{");
3629 String src=generateTemp(fm, fsen.getSrc(), lb);
3630 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
3631 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
3632 output.println("}");
3634 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
3637 if (state.FASTCHECK) {
3638 String dst=generateTemp(fm, fsen.getDst(),lb);
3639 output.println("if(!"+dst+"->"+localcopystr+") {");
3640 /* Link object into list */
3641 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
3642 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3644 output.println("COPY_OBJ("+dst+");");
3645 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3646 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3647 output.println("}");
3649 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
3654 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
3655 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
3656 //Stash pointer in case of GC
3657 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3658 output.println(revertptr+"=revertlist;");
3660 if (state.SINGLETM) {
3661 if (fn.getType().isArray()) {
3662 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
3663 if (locality.getAtomic(lb).get(fn).intValue()>0) {
3664 //inside transaction
3665 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3667 //outside transaction
3668 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3671 if (locality.getAtomic(lb).get(fn).intValue()>0) {
3672 //inside transaction
3673 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
3675 //outside transaction
3676 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
3679 } else if (fn.getType().isArray()) {
3680 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
3681 if (fn.isGlobal()&&(state.DSM||state.SINGLETM)) {
3682 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3683 } else if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3684 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3686 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3689 if (fn.isGlobal()&&(state.DSM||state.SINGLETM)) {
3690 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
3691 } else if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3692 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
3694 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
3697 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
3698 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3699 String dst=generateTemp(fm,fn.getDst(),lb);
3700 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
3701 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
3702 output.println("revertlist=(struct ___Object___ *)"+dst+";");
3704 if (state.FASTCHECK) {
3705 String dst=generateTemp(fm,fn.getDst(),lb);
3706 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
3707 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3708 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3712 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
3713 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3714 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
3716 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
3720 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
3721 if (fon.getRight()!=null) {
3722 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
3723 if (fon.getLeft().getType().isLong())
3724 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
3726 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
3728 } else if (dc!=null) {
3729 output.print(generateTemp(fm, fon.getDest(),lb)+" = (");
3730 if (fon.getLeft().getType().isPtr()&&(fon.getOp().getOp()==Operation.EQUAL||fon.getOp().getOp()==Operation.NOTEQUAL))
3731 output.print("(void *)");
3732 if (dc.getNeedLeftSrcTrans(lb, fon))
3733 output.print("("+generateTemp(fm, fon.getLeft(),lb)+"!=NULL?"+generateTemp(fm, fon.getLeft(),lb)+"->"+oidstr+":NULL)");
3735 output.print(generateTemp(fm, fon.getLeft(),lb));
3736 output.print(")"+fon.getOp().toString()+"(");
3737 if (fon.getRight().getType().isPtr()&&(fon.getOp().getOp()==Operation.EQUAL||fon.getOp().getOp()==Operation.NOTEQUAL))
3738 output.print("(void *)");
3739 if (dc.getNeedRightSrcTrans(lb, fon))
3740 output.println("("+generateTemp(fm, fon.getRight(),lb)+"!=NULL?"+generateTemp(fm, fon.getRight(),lb)+"->"+oidstr+":NULL));");
3742 output.println(generateTemp(fm,fon.getRight(),lb)+");");
3744 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
3745 } else if (fon.getOp().getOp()==Operation.ASSIGN)
3746 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
3747 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
3748 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
3749 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
3750 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
3751 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
3752 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
3753 else if (fon.getOp().getOp()==Operation.COMP)
3754 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
3755 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
3756 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
3758 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
3761 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
3762 /* TODO: Do type check here */
3763 if (fcn.getType().isArray()) {
3764 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
3765 } else if (state.MGC && fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
3766 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(int)"+generateTemp(fm,fcn.getSrc(),lb)+";");
3767 } else if (fcn.getType().isClass())
3768 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
3770 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
3773 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
3774 if (fln.getValue()==null)
3775 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
3776 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
3777 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3778 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
3779 //Stash pointer in case of GC
3780 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3781 output.println(revertptr+"=revertlist;");
3783 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString("+localsprefixaddr+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
3784 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
3785 //Stash pointer in case of GC
3786 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3787 output.println("revertlist="+revertptr+";");
3790 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
3792 } else if (fln.getType().isBoolean()) {
3793 if (((Boolean)fln.getValue()).booleanValue())
3794 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
3796 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
3797 } else if (fln.getType().isChar()) {
3798 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
3799 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
3800 } else if (fln.getType().isLong()) {
3801 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
3803 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
3806 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
3808 // TODO add version for normal Java later
3809 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
3810 // a static block, check if it has been executed
3811 output.println(" global_defs_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
3815 if (frn.getReturnTemp()!=null) {
3816 if (frn.getReturnTemp().getType().isPtr())
3817 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
3819 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
3821 output.println("return;");
3825 protected void generateStoreFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
3828 //only record if this group has more than one exit
3829 if (branchanalysis.numJumps(fcb)>1) {
3830 left=branchanalysis.jumpValue(fcb, 0);
3831 right=branchanalysis.jumpValue(fcb, 1);
3833 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") {");
3835 output.println("STOREBRANCH("+right+");");
3836 output.println("goto "+label+";");
3837 output.println("}");
3839 output.println("STOREBRANCH("+left+");");
3842 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
3843 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
3846 /** This method generates header information for the method or
3847 * task referenced by the Descriptor des. */
3848 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
3849 generateHeader(fm, lb, des, output, false);
3852 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output, boolean addSESErecord) {
3854 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
3855 MethodDescriptor md=null;
3856 TaskDescriptor task=null;
3857 if (des instanceof MethodDescriptor)
3858 md=(MethodDescriptor) des;
3860 task=(TaskDescriptor) des;
3862 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
3864 if (md!=null&&md.getReturnType()!=null) {
3865 if (state.MGC && md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
3866 output.print("int ");
3867 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
3868 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
3870 output.print(md.getReturnType().getSafeSymbol()+" ");
3872 //catch the constructor case
3873 output.print("void ");
3875 if (state.DSM||state.SINGLETM) {
3876 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
3878 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
3880 output.print(task.getSafeSymbol()+"(");
3882 boolean printcomma=false;
3883 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3885 if (state.DSM||state.SINGLETM) {
3886 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
3888 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
3890 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
3896 for(int i=0; i<objectparams.numPrimitives(); i++) {
3897 TempDescriptor temp=objectparams.getPrimitive(i);
3901 if(state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3902 output.print("int " + temp.getSafeSymbol());
3903 } else if (temp.getType().isClass()||temp.getType().isArray())
3904 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
3906 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
3908 output.println(") {");
3909 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
3910 /* Imprecise Task */
3911 output.println("void * parameterarray[]) {");
3912 /* Unpack variables */
3913 for(int i=0; i<objectparams.numPrimitives(); i++) {
3914 TempDescriptor temp=objectparams.getPrimitive(i);
3915 if(state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3916 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
3918 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
3921 for(int i=0; i<fm.numTags(); i++) {
3922 TempDescriptor temp=fm.getTag(i);
3923 int offset=i+objectparams.numPrimitives();
3924 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
3927 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3928 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3929 } else output.println(") {");
3932 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
3933 output.println("/* FlatFlagActionNode */");
3936 /* Process tag changes */
3937 Relation tagsettable=new Relation();
3938 Relation tagcleartable=new Relation();
3940 Iterator tagsit=ffan.getTempTagPairs();
3941 while (tagsit.hasNext()) {
3942 TempTagPair ttp=(TempTagPair) tagsit.next();
3943 TempDescriptor objtmp=ttp.getTemp();
3944 TagDescriptor tag=ttp.getTag();
3945 TempDescriptor tagtmp=ttp.getTagTemp();
3946 boolean tagstatus=ffan.getTagChange(ttp);
3948 tagsettable.put(objtmp, tagtmp);
3950 tagcleartable.put(objtmp, tagtmp);
3955 Hashtable flagandtable=new Hashtable();
3956 Hashtable flagortable=new Hashtable();
3958 /* Process flag changes */
3959 Iterator flagsit=ffan.getTempFlagPairs();
3960 while(flagsit.hasNext()) {
3961 TempFlagPair tfp=(TempFlagPair)flagsit.next();
3962 TempDescriptor temp=tfp.getTemp();
3963 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3964 FlagDescriptor flag=tfp.getFlag();
3966 //Newly allocate objects that don't set any flags case
3967 if (flagortable.containsKey(temp)) {
3971 flagortable.put(temp,new Integer(mask));
3973 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3974 boolean flagstatus=ffan.getFlagChange(tfp);
3977 if (flagortable.containsKey(temp)) {
3978 mask=((Integer)flagortable.get(temp)).intValue();
3981 flagortable.put(temp,new Integer(mask));
3983 int mask=0xFFFFFFFF;
3984 if (flagandtable.containsKey(temp)) {
3985 mask=((Integer)flagandtable.get(temp)).intValue();
3987 mask&=(0xFFFFFFFF^flagid);
3988 flagandtable.put(temp,new Integer(mask));
3994 HashSet flagtagset=new HashSet();
3995 flagtagset.addAll(flagortable.keySet());
3996 flagtagset.addAll(flagandtable.keySet());
3997 flagtagset.addAll(tagsettable.keySet());
3998 flagtagset.addAll(tagcleartable.keySet());
4000 Iterator ftit=flagtagset.iterator();
4001 while(ftit.hasNext()) {
4002 TempDescriptor temp=(TempDescriptor)ftit.next();
4005 Set tagtmps=tagcleartable.get(temp);
4006 if (tagtmps!=null) {
4007 Iterator tagit=tagtmps.iterator();
4008 while(tagit.hasNext()) {
4009 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
4010 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
4011 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
4013 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
4017 tagtmps=tagsettable.get(temp);
4018 if (tagtmps!=null) {
4019 Iterator tagit=tagtmps.iterator();
4020 while(tagit.hasNext()) {
4021 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
4022 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
4023 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
4025 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
4030 int andmask=0xFFFFFFF;
4032 if (flagortable.containsKey(temp))
4033 ormask=((Integer)flagortable.get(temp)).intValue();
4034 if (flagandtable.containsKey(temp))
4035 andmask=((Integer)flagandtable.get(temp)).intValue();
4036 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
4037 generateObjectDistribute(ffan, fm, lb, temp, output);
4041 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
4042 PrintWriter output, int ormask, int andmask) {
4043 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
4044 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
4046 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
4050 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
4051 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
4054 void generateOptionalHeader(PrintWriter headers) {
4057 headers.println("#include \"task.h\"\n\n");
4058 headers.println("#ifndef _OPTIONAL_STRUCT_");
4059 headers.println("#define _OPTIONAL_STRUCT_");
4061 //STRUCT PREDICATEMEMBER
4062 headers.println("struct predicatemember{");
4063 headers.println("int type;");
4064 headers.println("int numdnfterms;");
4065 headers.println("int * flags;");
4066 headers.println("int numtags;");
4067 headers.println("int * tags;\n};\n\n");
4069 //STRUCT OPTIONALTASKDESCRIPTOR
4070 headers.println("struct optionaltaskdescriptor{");
4071 headers.println("struct taskdescriptor * task;");
4072 headers.println("int index;");
4073 headers.println("int numenterflags;");
4074 headers.println("int * enterflags;");
4075 headers.println("int numpredicatemembers;");
4076 headers.println("struct predicatemember ** predicatememberarray;");
4077 headers.println("};\n\n");
4079 //STRUCT TASKFAILURE
4080 headers.println("struct taskfailure {");
4081 headers.println("struct taskdescriptor * task;");
4082 headers.println("int index;");
4083 headers.println("int numoptionaltaskdescriptors;");
4084 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
4086 //STRUCT FSANALYSISWRAPPER
4087 headers.println("struct fsanalysiswrapper{");
4088 headers.println("int flags;");
4089 headers.println("int numtags;");
4090 headers.println("int * tags;");
4091 headers.println("int numtaskfailures;");
4092 headers.println("struct taskfailure ** taskfailurearray;");
4093 headers.println("int numoptionaltaskdescriptors;");
4094 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
4096 //STRUCT CLASSANALYSISWRAPPER
4097 headers.println("struct classanalysiswrapper{");
4098 headers.println("int type;");
4099 headers.println("int numotd;");
4100 headers.println("struct optionaltaskdescriptor ** otdarray;");
4101 headers.println("int numfsanalysiswrappers;");
4102 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
4104 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
4106 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
4107 while(taskit.hasNext()) {
4108 TaskDescriptor td=(TaskDescriptor)taskit.next();
4109 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
4114 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
4115 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
4116 int predicateindex = 0;
4117 //iterate through the classes concerned by the predicate
4118 Set c_vard = predicate.vardescriptors;
4119 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
4122 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
4123 VarDescriptor vard = (VarDescriptor)vard_it.next();
4124 TypeDescriptor typed = vard.getType();
4126 //generate for flags
4127 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
4128 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
4130 if (fen_hashset!=null) {
4131 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
4132 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
4134 DNFFlag dflag=fen.getDNF();
4135 numberterms+=dflag.size();
4137 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
4139 for(int j=0; j<dflag.size(); j++) {
4141 output.println(",");
4142 Vector term=dflag.get(j);
4145 for(int k=0; k<term.size(); k++) {
4146 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
4147 FlagDescriptor fd=dfa.getFlag();
4148 boolean negated=dfa.getNegated();
4149 int flagid=1<<((Integer)flags.get(fd)).intValue();
4154 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
4159 output.println("};\n");
4162 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
4163 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
4166 for(int j=0; j<tagel.numTags(); j++) {
4168 output.println(",");
4169 TempDescriptor tmp=tagel.getTemp(j);
4170 if (!slotnumber.containsKey(tmp)) {
4171 Integer slotint=new Integer(current_slot++);
4172 slotnumber.put(tmp,slotint);
4174 int slot=slotnumber.get(tmp).intValue();
4175 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
4177 numtags = tagel.numTags();
4179 output.println("};");
4181 //store the result into a predicatemember struct
4182 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
4183 output.println("/*type*/"+typed.getClassDesc().getId()+",");
4184 output.println("/* number of dnf terms */"+numberterms+",");
4185 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4186 output.println("/* number of tag */"+numtags+",");
4187 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4188 output.println("};\n");
4193 //generate an array that stores the entire predicate
4194 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
4195 for( int j = 0; j<predicateindex; j++) {
4196 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4197 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
4199 output.println("};\n");
4200 return predicateindex;
4204 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
4205 generateOptionalHeader(headers);
4207 output.println("#include \"optionalstruct.h\"\n\n");
4208 output.println("#include \"stdlib.h\"\n");
4210 HashSet processedcd = new HashSet();
4212 Enumeration e = safeexecution.keys();
4213 while (e.hasMoreElements()) {
4216 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
4217 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
4219 //Generate the struct of optionals
4220 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
4221 numotd = c_otd.size();
4222 if(maxotd<numotd) maxotd = numotd;
4223 if( !c_otd.isEmpty() ) {
4224 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
4225 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
4227 //generate the int arrays for the predicate
4228 Predicate predicate = otd.predicate;
4229 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
4230 TreeSet<Integer> fsset=new TreeSet<Integer>();
4231 //iterate through possible FSes corresponding to
4232 //the state when entering
4234 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
4235 FlagState fs = (FlagState)fses.next();
4237 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
4238 FlagDescriptor flagd = (FlagDescriptor)flags.next();
4239 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
4242 fsset.add(new Integer(flagid));
4243 //tag information not needed because tag
4244 //changes are not tolerated.
4247 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
4248 boolean needcomma=false;
4249 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
4252 output.println(it.next());
4255 output.println("};\n");
4258 //generate optionaltaskdescriptor that actually
4259 //includes exit fses, predicate and the task
4261 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
4262 output.println("&task_"+otd.td.getSafeSymbol()+",");
4263 output.println("/*index*/"+otd.getIndex()+",");
4264 output.println("/*number of enter flags*/"+fsset.size()+",");
4265 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4266 output.println("/*number of members */"+predicateindex+",");
4267 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4268 output.println("};\n");
4272 // if there are no optionals, there is no need to build the rest of the struct
4274 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
4275 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
4276 if( !c_otd.isEmpty() ) {
4277 boolean needcomma=false;
4278 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
4279 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
4281 output.println(",");
4283 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
4286 output.println("};\n");
4288 //get all the possible flagstates reachable by an object
4289 Hashtable hashtbtemp = safeexecution.get(cdtemp);
4291 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
4292 fsts.addAll(hashtbtemp.keySet());
4293 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
4294 FlagState fs = (FlagState)fsit.next();
4297 //get the set of OptionalTaskDescriptors corresponding
4298 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
4299 //iterate through the OptionalTaskDescriptors and
4300 //store the pointers to the optionals struct (see on
4301 //top) into an array
4303 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
4304 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
4305 OptionalTaskDescriptor mm = mos.next();
4307 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
4309 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4312 output.println("};\n");
4314 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
4317 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
4318 FlagDescriptor flagd = (FlagDescriptor)flags.next();
4319 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
4323 //process tag information
4326 boolean first = true;
4327 Enumeration tag_enum = fs.getTags();
4328 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
4329 while(tag_enum.hasMoreElements()) {
4331 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
4335 output.println(", ");
4336 output.println("/*tagid*/"+state.getTagId(tagd));
4338 output.println("};");
4340 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
4341 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
4342 TaskIndex ti=itti.next();
4346 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
4348 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
4349 boolean needcomma=false;
4350 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
4351 OptionalTaskDescriptor otd=otdit.next();
4355 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
4357 output.println("};");
4359 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
4360 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
4361 output.print(ti.getIndex()+", ");
4362 output.print(otdset.size()+", ");
4363 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
4364 output.println("};");
4367 tiset=sa.getTaskIndex(fs);
4368 boolean needcomma=false;
4370 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
4371 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
4372 TaskIndex ti=itti.next();
4373 if (ti.isRuntime()) {
4380 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
4382 output.println("};\n");
4384 //Store the result in fsanalysiswrapper
4386 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
4387 output.println("/*flag*/"+flagid+",");
4388 output.println("/* number of tags*/"+tagcounter+",");
4389 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
4390 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
4391 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
4392 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
4393 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
4394 output.println("};\n");
4398 //Build the array of fsanalysiswrappers
4399 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
4400 boolean needcomma=false;
4401 for(int i = 0; i<fscounter; i++) {
4402 if (needcomma) output.print(",");
4403 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
4406 output.println("};");
4408 //Build the classanalysiswrapper referring to the previous array
4409 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
4410 output.println("/*type*/"+cdtemp.getId()+",");
4411 output.println("/*numotd*/"+numotd+",");
4412 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
4413 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
4414 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
4415 processedcd.add(cdtemp);
4418 //build an array containing every classes for which code has been build
4419 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
4420 for(int i=0; i<state.numClasses(); i++) {
4421 ClassDescriptor cn=cdarray[i];
4424 if ((cn != null) && (processedcd.contains(cn)))
4425 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
4427 output.print("NULL");
4429 output.println("};");
4431 output.println("#define MAXOTD "+maxotd);
4432 headers.println("#endif");
4435 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
4436 Relation r=new Relation();
4437 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
4438 OptionalTaskDescriptor otd=otdit.next();
4439 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
4443 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
4444 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
4445 Set s=r.get(it.next());
4446 for(Iterator it2=s.iterator(); it2.hasNext();) {
4447 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
4455 protected void outputTransCode(PrintWriter output) {
4460 // override these methods in a subclass of BuildCode
4461 // to generate code for additional systems
4462 protected void additionalIncludesMethodsHeader( PrintWriter outmethodheader ) {}
4463 protected void preCodeGenInitialization() {}
4464 protected void postCodeGenCleanUp() {}
4465 protected void additionalCodeGen( PrintWriter outmethodheader,
4466 PrintWriter outstructs,
4467 PrintWriter outmethod ) {}
4468 protected void additionalCodeAtTopOfMain( PrintWriter outmethod ) {}
4469 protected void additionalCodeAtBottomOfMain( PrintWriter outmethod ) {}
4470 protected void additionalIncludesMethodsImplementation( PrintWriter outmethod ) {}
4471 protected void additionalIncludesStructsHeader( PrintWriter outstructs ) {}
4472 protected void additionalClassObjectFields( PrintWriter outclassdefs ) {}
4473 protected void additionalCodeAtTopMethodsImplementation( PrintWriter outmethod ) {}
4474 protected void additionalCodeAtTopFlatMethodBody( PrintWriter output, FlatMethod fm ) {}
4475 protected void additionalCodePreNode( FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output ) {}
4476 protected void additionalCodePostNode( FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output ) {}