2 import IR.Tree.Modifiers;
3 import IR.Tree.FlagExpressionNode;
4 import IR.Tree.DNFFlag;
5 import IR.Tree.DNFFlagAtom;
6 import IR.Tree.TagExpressionList;
7 import IR.Tree.OffsetNode;
14 import Analysis.TaskStateAnalysis.FlagState;
15 import Analysis.TaskStateAnalysis.FlagComparator;
16 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
17 import Analysis.TaskStateAnalysis.Predicate;
18 import Analysis.TaskStateAnalysis.SafetyAnalysis;
19 import Analysis.TaskStateAnalysis.TaskIndex;
20 import Analysis.Locality.LocalityAnalysis;
21 import Analysis.Locality.LocalityBinding;
22 import Analysis.Locality.DiscoverConflicts;
23 import Analysis.Locality.DCWrapper;
24 import Analysis.Locality.DelayComputation;
25 import Analysis.Locality.BranchAnalysis;
26 import Analysis.CallGraph.CallGraph;
27 import Analysis.Prefetch.*;
28 import Analysis.Loops.WriteBarrier;
29 import Analysis.Loops.GlobalFieldType;
30 import Analysis.Locality.TypeAnalysis;
31 import Util.CodePrinter;
33 public class BuildCode {
36 Hashtable paramstable;
41 String localsprefix="___locals___";
42 String localsprefixaddr="&"+localsprefix;
43 String localsprefixderef=localsprefix+".";
44 String fcrevert="___fcrevert___";
45 String paramsprefix="___params___";
46 String oidstr="___nextobject___";
47 String nextobjstr="___nextobject___";
48 String localcopystr="___localcopy___";
49 public static boolean GENERATEPRECISEGC=false;
50 public static String PREFIX="";
51 public static String arraytype="ArrayObject";
52 public static int flagcount = 0;
55 protected int maxtaskparams=0;
56 private int maxcount=0;
57 ClassDescriptor[] cdarray;
58 TypeDescriptor[] arraytable;
59 LocalityAnalysis locality;
60 Hashtable<LocalityBinding, TempDescriptor> reverttable;
61 Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>> backuptable;
66 DiscoverConflicts recorddc;
69 Hashtable<String, ClassDescriptor> printedfieldstbl;
72 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
73 this(st, temptovar, typeutil, null, sa, pa);
76 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
77 this(st, temptovar, typeutil, locality, null, pa);
80 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa ) {
84 callgraph=new CallGraph(state);
86 oidstr="___objlocation___";
87 this.temptovar=temptovar;
88 paramstable=new Hashtable();
89 tempstable=new Hashtable();
90 fieldorder=new Hashtable();
91 flagorder=new Hashtable();
92 this.typeutil=typeutil;
93 virtualcalls=new Virtual(state,locality);
95 this.locality=locality;
96 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
97 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
98 this.wb=new WriteBarrier(locality, st);
100 if (state.SINGLETM&&state.DCOPTS) {
101 TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
102 GlobalFieldType gft=new GlobalFieldType(callgraph, st, typeutil.getMain());
103 this.dc=new DiscoverConflicts(locality, st, typeanalysis, gft);
106 if (state.DELAYCOMP) {
107 //TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
108 TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
109 GlobalFieldType gft=new GlobalFieldType(callgraph, st, typeutil.getMain());
110 delaycomp=new DCWrapper(locality, st, typeanalysis, gft);
111 dc=delaycomp.getConflicts();
112 recorddc=new DiscoverConflicts(locality, st, typeanalysis, delaycomp.getCannotDelayMap(), true, true, null);
113 recorddc.doAnalysis();
115 printedfieldstbl = new Hashtable<String, ClassDescriptor>();
118 /** The buildCode method outputs C code for all the methods. The Flat
119 * versions of the methods must already be generated and stored in
120 * the State object. */
121 PrintWriter outsandbox=null;
123 public void buildCode() {
124 /* Create output streams to write to */
125 PrintWriter outclassdefs=null;
126 PrintWriter outstructs=null;
127 PrintWriter outrepairstructs=null;
128 PrintWriter outmethodheader=null;
129 PrintWriter outmethod=null;
130 PrintWriter outvirtual=null;
131 PrintWriter outtask=null;
132 PrintWriter outtaskdefs=null;
133 PrintWriter outoptionalarrays=null;
134 PrintWriter optionalheaders=null;
135 PrintWriter outglobaldefs=null;
139 outsandbox=new CodePrinter(new FileOutputStream(PREFIX+"sandboxdefs.c"), true);
141 outstructs=new CodePrinter(new FileOutputStream(PREFIX+"structdefs.h"), true);
142 outmethodheader=new CodePrinter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
143 outclassdefs=new CodePrinter(new FileOutputStream(PREFIX+"classdefs.h"), true);
145 // TODO add version for normal Java later
146 outglobaldefs=new CodePrinter(new FileOutputStream(PREFIX+"globaldefs.h"), true);
148 outmethod=new CodePrinter(new FileOutputStream(PREFIX+"methods.c"), true);
149 outvirtual=new CodePrinter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
151 outtask=new CodePrinter(new FileOutputStream(PREFIX+"task.h"), true);
152 outtaskdefs=new CodePrinter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
153 if (state.OPTIONAL) {
154 outoptionalarrays=new CodePrinter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
155 optionalheaders=new CodePrinter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
158 if (state.structfile!=null) {
159 outrepairstructs=new CodePrinter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
161 } catch (Exception e) {
166 /* Fix field safe symbols due to shadowing */
167 FieldShadow.handleFieldShadow(state);
169 /* Build the virtual dispatch tables */
170 buildVirtualTables(outvirtual);
172 /* Tag the methods that are invoked by static blocks */
173 tagMethodInvokedByStaticBlock();
175 /* Output includes */
176 outmethodheader.println("#ifndef METHODHEADERS_H");
177 outmethodheader.println("#define METHODHEADERS_H");
178 outmethodheader.println("#include \"structdefs.h\"");
180 outmethodheader.println("#include \"dstm.h\"");
182 outmethodheader.println("#include \"sandbox.h\"");
184 if (state.EVENTMONITOR) {
185 outmethodheader.println("#include \"monitor.h\"");
187 if (state.SINGLETM) {
188 outmethodheader.println("#include \"tm.h\"");
189 outmethodheader.println("#include \"delaycomp.h\"");
190 outmethodheader.println("#include \"inlinestm.h\"");
192 if (state.ABORTREADERS) {
193 outmethodheader.println("#include \"abortreaders.h\"");
194 outmethodheader.println("#include <setjmp.h>");
198 additionalIncludesMethodsHeader( outmethodheader );
201 /* Output Structures */
202 outputStructs(outstructs);
204 // Output the C class declarations
205 // These could mutually reference each other
208 // TODO add version for normal Java later
209 outglobaldefs.println("#ifndef __GLOBALDEF_H_");
210 outglobaldefs.println("#define __GLOBALDEF_H_");
211 outglobaldefs.println("");
212 outglobaldefs.println("struct global_defs_t {");
215 outclassdefs.println("#ifndef __CLASSDEF_H_");
216 outclassdefs.println("#define __CLASSDEF_H_");
217 outputClassDeclarations(outclassdefs, outglobaldefs);
219 // Output function prototypes and structures for parameters
220 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
221 while(it.hasNext()) {
222 ClassDescriptor cn=(ClassDescriptor)it.next();
223 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader, outglobaldefs);
225 outclassdefs.println("#endif");
226 outclassdefs.close();
228 // TODO add version for normal Java later
229 outglobaldefs.println("};");
230 outglobaldefs.println("");
231 outglobaldefs.println("extern struct global_defs_t * global_defs_p;");
232 outglobaldefs.println("#endif");
233 outglobaldefs.flush();
234 outglobaldefs.close();
238 /* Map flags to integers */
239 /* The runtime keeps track of flags using these integers */
240 it=state.getClassSymbolTable().getDescriptorsIterator();
241 while(it.hasNext()) {
242 ClassDescriptor cn=(ClassDescriptor)it.next();
246 generateTaskStructs(outstructs, outmethodheader);
248 /* Outputs generic task structures if this is a task
250 outputTaskTypes(outtask);
254 // an opportunity for subclasses to do extra
256 preCodeGenInitialization();
259 /* Build the actual methods */
260 outputMethods(outmethod);
263 // opportunity for subclasses to gen extra code
264 additionalCodeGen( outmethodheader,
270 /* Output code for tasks */
271 outputTaskCode(outtaskdefs, outmethod);
273 /* Record maximum number of task parameters */
274 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
275 } else if (state.main!=null) {
276 /* Generate main method */
277 outputMainMethod(outmethod);
280 /* Generate information for task with optional parameters */
281 if (state.TASK&&state.OPTIONAL) {
282 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
283 outoptionalarrays.close();
286 /* Output structure definitions for repair tool */
287 if (state.structfile!=null) {
288 buildRepairStructs(outrepairstructs);
289 outrepairstructs.close();
293 outmethodheader.println("#endif");
294 outmethodheader.close();
296 outstructs.println("#endif");
301 postCodeGenCleanUp();
306 /* This method goes though the call graph and tag those methods that are
307 * invoked inside static blocks
309 protected void tagMethodInvokedByStaticBlock() {
311 Iterator it_sclasses = this.state.getSClassSymbolTable().getDescriptorsIterator();
312 MethodDescriptor current_md=null;
313 HashSet tovisit=new HashSet();
314 HashSet visited=new HashSet();
316 while(it_sclasses.hasNext()) {
317 ClassDescriptor cd = (ClassDescriptor)it_sclasses.next();
318 MethodDescriptor md = (MethodDescriptor)cd.getMethodTable().get("staticblocks");
324 while(!tovisit.isEmpty()) {
325 current_md=(MethodDescriptor)tovisit.iterator().next();
326 tovisit.remove(current_md);
327 visited.add(current_md);
328 Iterator it_callee = this.callgraph.getCalleeSet(current_md).iterator();
329 while(it_callee.hasNext()) {
330 Descriptor d = (Descriptor)it_callee.next();
331 if(d instanceof MethodDescriptor) {
332 if(!visited.contains(d)) {
333 ((MethodDescriptor)d).setIsInvokedByStatic(true);
339 } // TODO for normal Java version
342 /* This code generates code for each static block and static field
344 protected void outputStaticBlocks(PrintWriter outmethod) {
345 // execute all the static blocks and all the static field initializations
349 /* This code generates code to create a Class object for each class for
352 protected void outputClassObjects(PrintWriter outmethod) {
353 // for each class, initialize its Class object
357 /* This code just generates the main C method for java programs.
358 * The main C method packs up the arguments into a string array
359 * and passes it to the java main method. */
361 protected void outputMainMethod(PrintWriter outmethod) {
362 outmethod.println("int main(int argc, const char *argv[]) {");
363 outmethod.println(" int i;");
365 outputStaticBlocks(outmethod);
366 outputClassObjects(outmethod);
369 additionalCodeAtTopOfMain( outmethod );
373 if (state.DSMRECOVERYSTATS) {
374 outmethod.println("#ifdef RECOVERYSTATS \n");
375 outmethod.println("handle();\n");
376 outmethod.println("#endif\n");
378 outmethod.println("#if defined(TRANSSTATS) || defined(RECOVERYSTATS) \n");
379 outmethod.println("handle();\n");
380 outmethod.println("#endif\n");
384 if (state.THREAD||state.DSM||state.SINGLETM) {
385 outmethod.println("initializethreads();");
388 outmethod.println("if (dstmStartup(argv[1])) {");
389 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
390 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
392 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
395 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
396 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
398 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
402 outmethod.println(" for(i=2;i<argc;i++) {");
404 outmethod.println(" for(i=1;i<argc;i++) {");
405 outmethod.println(" int length=strlen(argv[i]);");
406 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
407 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
409 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
412 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
414 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
415 outmethod.println(" }");
417 MethodDescriptor md=typeutil.getMain();
418 ClassDescriptor cd=typeutil.getMainClass();
420 outmethod.println(" {");
421 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
422 if (state.DSM||state.SINGLETM) {
423 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
425 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
426 outmethod.println("1, NULL,"+"stringarray};");
427 if (state.DSM||state.SINGLETM)
428 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
430 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
432 if (state.DSM||state.SINGLETM)
433 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
435 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
437 outmethod.println(" }");
440 outmethod.println("}");
443 if (state.THREAD||state.DSM||state.SINGLETM) {
444 outmethod.println("pthread_mutex_lock(&gclistlock);");
445 outmethod.println("threadcount--;");
446 outmethod.println("pthread_cond_signal(&gccond);");
447 outmethod.println("pthread_mutex_unlock(&gclistlock);");
450 if (state.DSM||state.SINGLETM) {
451 //outmethod.println("#if defined(TRANSSTATS) || defined(RECOVERYSTATS) \n");
452 outmethod.println("#if defined(TRANSSTATS) \n");
453 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
454 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
455 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
456 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
458 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
459 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
460 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
461 outmethod.println("printf(\"ndirtyCacheObj= %d\\n\", ndirtyCacheObj);");
462 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
463 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
464 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
465 outmethod.println("printf(\"totalObjSize= %d\\n\", totalObjSize);");
466 outmethod.println("printf(\"sendRemoteReq= %d\\n\", sendRemoteReq);");
467 outmethod.println("printf(\"getResponse= %d\\n\", getResponse);");
468 } else if (state.SINGLETM) {
469 outmethod.println("printf(\"nSoftAbortAbort= %d\\n\", nSoftAbortAbort);");
470 outmethod.println("printf(\"nSoftAbortCommit= %d\\n\", nSoftAbortCommit);");
471 outmethod.println("#ifdef STMSTATS\n");
472 outmethod.println("for(i=0; i<TOTALNUMCLASSANDARRAY; i++) {\n");
473 outmethod.println(" printf(\"typesCausingAbort[%2d] numaccess= %5d numabort= %3d\\n\", i, typesCausingAbort[i].numaccess, typesCausingAbort[i].numabort);\n");
474 outmethod.println("}\n");
475 outmethod.println("#endif\n");
476 outmethod.println("fflush(stdout);");
478 outmethod.println("#endif\n");
481 if (state.EVENTMONITOR) {
482 outmethod.println("dumpdata();");
485 if (state.THREAD||state.SINGLETM)
486 outmethod.println("pthread_exit(NULL);");
489 additionalCodeAtBottomOfMain( outmethod );
492 outmethod.println("}");
495 /* This method outputs code for each task. */
497 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
498 /* Compile task based program */
499 outtaskdefs.println("#include \"task.h\"");
500 outtaskdefs.println("#include \"methodheaders.h\"");
501 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
502 while(taskit.hasNext()) {
503 TaskDescriptor td=(TaskDescriptor)taskit.next();
504 FlatMethod fm=state.getMethodFlat(td);
505 generateFlatMethod(fm, null, outmethod);
506 generateTaskDescriptor(outtaskdefs, fm, td);
509 //Output task descriptors
510 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
511 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
513 while(taskit.hasNext()) {
514 TaskDescriptor td=(TaskDescriptor)taskit.next();
518 outtaskdefs.println(",");
519 outtaskdefs.print("&task_"+td.getSafeSymbol());
521 outtaskdefs.println("};");
523 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
527 /* This method outputs most of the methods.c file. This includes
528 * some standard includes and then an array with the sizes of
529 * objets and array that stores supertype and then the code for
530 * the Java methods.. */
531 protected void outputMethods(PrintWriter outmethod) {
532 outmethod.println("#include \"methodheaders.h\"");
533 outmethod.println("#include \"virtualtable.h\"");
534 outmethod.println("#include \"runtime.h\"");
536 // always include: compiler directives will leave out
537 // instrumentation when option is not set
538 outmethod.println("#include \"coreprof/coreprof.h\"");
541 outmethod.println("#include \"sandboxdefs.c\"");
544 outmethod.println("#include \"addPrefetchEnhance.h\"");
545 outmethod.println("#include \"localobjects.h\"");
547 if (state.FASTCHECK) {
548 outmethod.println("#include \"localobjects.h\"");
550 if(state.MULTICORE) {
552 outmethod.println("#include \"task.h\"");
554 outmethod.println("#include \"multicoreruntime.h\"");
555 outmethod.println("#include \"runtime_arch.h\"");
557 if (state.THREAD||state.DSM||state.SINGLETM) {
558 outmethod.println("#include <thread.h>");
561 outmethod.println("#include \"thread.h\"");
563 if (state.main!=null) {
564 outmethod.println("#include <string.h>");
566 if (state.CONSCHECK) {
567 outmethod.println("#include \"checkers.h\"");
571 additionalIncludesMethodsImplementation( outmethod );
575 // TODO add version for normal Java later
576 outmethod.println("struct global_defs_t * global_defs_p;");
578 //Store the sizes of classes & array elements
579 generateSizeArray(outmethod);
581 //Store table of supertypes
582 generateSuperTypeTable(outmethod);
584 // Store table of classnames
586 // TODO add code for normal Java later
587 generateClassNameTable(outmethod);
590 //Store the layout of classes
591 generateLayoutStructs(outmethod);
594 additionalCodeAtTopMethodsImplementation( outmethod );
597 /* Generate code for methods */
598 if (state.DSM||state.SINGLETM) {
599 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
600 LocalityBinding lb=lbit.next();
601 MethodDescriptor md=lb.getMethod();
602 FlatMethod fm=state.getMethodFlat(md);
604 if (!md.getModifiers().isNative()) {
605 generateFlatMethod(fm, lb, outmethod);
609 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
610 while(classit.hasNext()) {
611 ClassDescriptor cn=(ClassDescriptor)classit.next();
612 Iterator methodit=cn.getMethods();
613 while(methodit.hasNext()) {
614 /* Classify parameters */
615 MethodDescriptor md=(MethodDescriptor)methodit.next();
616 FlatMethod fm=state.getMethodFlat(md);
617 if (!md.getModifiers().isNative()) {
618 generateFlatMethod(fm, null, outmethod);
625 protected void outputStructs(PrintWriter outstructs) {
626 outstructs.println("#ifndef STRUCTDEFS_H");
627 outstructs.println("#define STRUCTDEFS_H");
628 outstructs.println("#include \"classdefs.h\"");
629 outstructs.println("#ifndef INTPTR");
630 outstructs.println("#ifdef BIT64");
631 outstructs.println("#define INTPTR long");
632 outstructs.println("#else");
633 outstructs.println("#define INTPTR int");
634 outstructs.println("#endif");
635 outstructs.println("#endif");
638 additionalIncludesStructsHeader( outstructs );
641 /* Output #defines that the runtime uses to determine type
642 * numbers for various objects it needs */
643 outstructs.println("#define MAXCOUNT "+maxcount);
644 if (state.DSM||state.SINGLETM) {
645 LocalityBinding lbrun=new LocalityBinding(typeutil.getRun(), false);
647 lbrun.setGlobalThis(LocalityAnalysis.GLOBAL);
649 else if (state.SINGLETM) {
650 lbrun.setGlobalThis(LocalityAnalysis.NORMAL);
652 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lbrun));
656 LocalityBinding lbexecute = new LocalityBinding(typeutil.getExecute(), false);
658 lbexecute.setGlobalThis(LocalityAnalysis.GLOBAL);
659 else if( state.SINGLETM)
660 lbexecute.setGlobalThis(LocalityAnalysis.NORMAL);
661 outstructs.println("#define EXECUTEMETHOD " + virtualcalls.getLocalityNumber(lbexecute));
664 outstructs.println("#define STRINGARRAYTYPE "+
665 (state.getArrayNumber(
666 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
668 outstructs.println("#define OBJECTARRAYTYPE "+
669 (state.getArrayNumber(
670 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
673 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
674 outstructs.println("#define CHARARRAYTYPE "+
675 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
677 outstructs.println("#define BYTEARRAYTYPE "+
678 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
680 outstructs.println("#define BYTEARRAYARRAYTYPE "+
681 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
683 outstructs.println("#define NUMCLASSES "+state.numClasses());
684 int totalClassSize = state.numClasses() + state.numArrays();
685 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
687 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
688 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
689 outstructs.println("#define TAGARRAYTYPE "+
690 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
694 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs) {
695 if (state.THREAD||state.DSM||state.SINGLETM)
696 outclassdefs.println("#include <pthread.h>");
697 outclassdefs.println("#ifndef INTPTR");
698 outclassdefs.println("#ifdef BIT64");
699 outclassdefs.println("#define INTPTR long");
700 outclassdefs.println("#else");
701 outclassdefs.println("#define INTPTR int");
702 outclassdefs.println("#endif");
703 outclassdefs.println("#endif");
705 outclassdefs.println("#include \"optionalstruct.h\"");
706 outclassdefs.println("struct "+arraytype+";");
707 /* Start by declaring all structs */
708 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
709 while(it.hasNext()) {
710 ClassDescriptor cn=(ClassDescriptor)it.next();
711 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
714 // TODO add version for normal Java later
715 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
716 // this class has static fields/blocks, need to add a global flag to
717 // indicate if its static fields have been initialized and/or if its
718 // static blocks have been executed
719 outglobaldefs.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
722 // for each class, create a global object
723 outglobaldefs.println(" struct ___Object___ "+cn.getSafeSymbol()+"classobj;");
726 outclassdefs.println("");
727 //Print out definition for array type
728 outclassdefs.println("struct "+arraytype+" {");
729 outclassdefs.println(" int type;");
732 additionalClassObjectFields( outclassdefs );
735 if (state.EVENTMONITOR) {
736 outclassdefs.println(" int objuid;");
739 outclassdefs.println(" pthread_t tid;");
740 outclassdefs.println(" void * lockentry;");
741 outclassdefs.println(" int lockcount;");
744 outclassdefs.println(" int mutex;");
745 outclassdefs.println(" int objlock;");
746 if(state.MULTICOREGC) {
747 outclassdefs.println(" int marked;");
751 outclassdefs.println(" int flag;");
752 if(!state.MULTICORE) {
753 outclassdefs.println(" void * flagptr;");
755 outclassdefs.println(" int version;");
756 outclassdefs.println(" int * lock;"); // lock entry for this obj
757 outclassdefs.println(" int mutex;");
758 outclassdefs.println(" int lockcount;");
759 if(state.MULTICOREGC) {
760 outclassdefs.println(" int marked;");
764 outclassdefs.println(" int numfses;");
765 outclassdefs.println(" int * fses;");
769 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs);
770 printedfieldstbl.clear();
772 if (state.STMARRAY) {
773 outclassdefs.println(" int lowindex;");
774 outclassdefs.println(" int highindex;");
777 outclassdefs.println(" int paddingforarray;");
778 if (state.DUALVIEW) {
779 outclassdefs.println(" int arrayversion;");
782 outclassdefs.println(" int ___length___;");
783 outclassdefs.println("};\n");
786 // TODO add version for normal Java later
787 outclassdefs.println("");
788 //Print out definition for Class type
789 outclassdefs.println("struct Class {");
790 outclassdefs.println(" int type;");
793 additionalClassObjectFields( outclassdefs );
796 if (state.EVENTMONITOR) {
797 outclassdefs.println(" int objuid;");
800 outclassdefs.println(" pthread_t tid;");
801 outclassdefs.println(" void * lockentry;");
802 outclassdefs.println(" int lockcount;");
805 outclassdefs.println(" int mutex;");
806 outclassdefs.println(" int objlock;");
807 if(state.MULTICOREGC) {
808 outclassdefs.println(" int marked;");
812 outclassdefs.println(" int flag;");
813 if(!state.MULTICORE) {
814 outclassdefs.println(" void * flagptr;");
816 outclassdefs.println(" int version;");
817 outclassdefs.println(" int * lock;"); // lock entry for this obj
818 outclassdefs.println(" int mutex;");
819 outclassdefs.println(" int lockcount;");
820 if(state.MULTICOREGC) {
821 outclassdefs.println(" int marked;");
825 outclassdefs.println(" int numfses;");
826 outclassdefs.println(" int * fses;");
829 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs);
830 printedfieldstbl.clear();
831 outclassdefs.println("};\n");
834 outclassdefs.println("");
835 outclassdefs.println("extern int classsize[];");
836 outclassdefs.println("extern int hasflags[];");
837 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
838 outclassdefs.println("extern int supertypes[];");
840 // TODO add version for normal Java later
841 outclassdefs.println("extern char * classname[];");
843 outclassdefs.println("");
846 /** Prints out definitions for generic task structures */
848 private void outputTaskTypes(PrintWriter outtask) {
849 outtask.println("#ifndef _TASK_H");
850 outtask.println("#define _TASK_H");
851 outtask.println("struct parameterdescriptor {");
852 outtask.println("int type;");
853 outtask.println("int numberterms;");
854 outtask.println("int *intarray;");
855 outtask.println("void * queue;");
856 outtask.println("int numbertags;");
857 outtask.println("int *tagarray;");
858 outtask.println("};");
860 outtask.println("struct taskdescriptor {");
861 outtask.println("void * taskptr;");
862 outtask.println("int numParameters;");
863 outtask.println(" int numTotal;");
864 outtask.println("struct parameterdescriptor **descriptorarray;");
865 outtask.println("char * name;");
866 outtask.println("};");
867 outtask.println("extern struct taskdescriptor * taskarray[];");
868 outtask.println("extern numtasks;");
869 outtask.println("#endif");
873 private void buildRepairStructs(PrintWriter outrepairstructs) {
874 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
875 while(classit.hasNext()) {
876 ClassDescriptor cn=(ClassDescriptor)classit.next();
877 outrepairstructs.println("structure "+cn.getSymbol()+" {");
878 outrepairstructs.println(" int __type__;");
880 outrepairstructs.println(" int __flag__;");
881 if(!state.MULTICORE) {
882 outrepairstructs.println(" int __flagptr__;");
885 printRepairStruct(cn, outrepairstructs);
886 outrepairstructs.println("}\n");
889 for(int i=0; i<state.numArrays(); i++) {
890 TypeDescriptor tdarray=arraytable[i];
891 TypeDescriptor tdelement=tdarray.dereference();
892 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
893 outrepairstructs.println(" int __type__;");
894 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
895 outrepairstructs.println(" int length;");
897 // Need to add support to repair tool for this
898 if (tdelement.isClass()||tdelement.isArray())
899 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
901 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
903 outrepairstructs.println("}\n");
907 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
908 ClassDescriptor sp=cn.getSuperDesc();
910 printRepairStruct(sp, output);
912 Vector fields=(Vector)fieldorder.get(cn);
914 for(int i=0; i<fields.size(); i++) {
915 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
916 if (fd.getType().isArray()) {
917 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
918 } else if (fd.getType().isClass())
919 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
920 else if (fd.getType().isFloat())
921 output.println(" int "+fd.getSymbol()+"; /* really float */");
923 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
927 /** This method outputs TaskDescriptor information */
928 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
929 for (int i=0; i<task.numParameters(); i++) {
930 VarDescriptor param_var=task.getParameter(i);
931 TypeDescriptor param_type=task.getParamType(i);
932 FlagExpressionNode param_flag=task.getFlag(param_var);
933 TagExpressionList param_tag=task.getTag(param_var);
936 if (param_flag==null) {
937 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
938 output.println("0x0, 0x0 };");
941 DNFFlag dflag=param_flag.getDNF();
942 dnfterms=dflag.size();
944 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
945 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
946 for(int j=0; j<dflag.size(); j++) {
949 Vector term=dflag.get(j);
952 for(int k=0; k<term.size(); k++) {
953 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
954 FlagDescriptor fd=dfa.getFlag();
955 boolean negated=dfa.getNegated();
956 int flagid=1<<((Integer)flags.get(fd)).intValue();
961 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
963 output.println("};");
966 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
967 //BUG...added next line to fix, test with any task program
969 for(int j=0; j<param_tag.numTags(); j++) {
972 /* for each tag we need */
973 /* which slot it is */
974 /* what type it is */
975 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
976 TempDescriptor tmp=param_tag.getTemp(j);
977 int slot=fm.getTagInt(tmp);
978 output.println(slot+", "+state.getTagId(tvd.getTag()));
980 output.println("};");
982 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
983 output.println("/* type */"+param_type.getClassDesc().getId()+",");
984 output.println("/* number of DNF terms */"+dnfterms+",");
985 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
986 output.println("0,");
987 //BUG, added next line to fix and else statement...test
988 //with any task program
990 output.println("/* number of tags */"+param_tag.numTags()+",");
992 output.println("/* number of tags */ 0,");
993 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
994 output.println("};");
998 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
999 for (int i=0; i<task.numParameters(); i++) {
1001 output.println(",");
1002 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
1004 output.println("};");
1006 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
1007 output.println("&"+task.getSafeSymbol()+",");
1008 output.println("/* number of parameters */" +task.numParameters() + ",");
1009 int numtotal=task.numParameters()+fm.numTags();
1010 output.println("/* number total parameters */" +numtotal + ",");
1011 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
1012 output.println("\""+task.getSymbol()+"\"");
1013 output.println("};");
1017 /** The buildVirtualTables method outputs the virtual dispatch
1018 * tables for methods. */
1020 protected void buildVirtualTables(PrintWriter outvirtual) {
1021 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
1022 while(classit.hasNext()) {
1023 ClassDescriptor cd=(ClassDescriptor)classit.next();
1024 if (virtualcalls.getMethodCount(cd)>maxcount)
1025 maxcount=virtualcalls.getMethodCount(cd);
1027 MethodDescriptor[][] virtualtable=null;
1028 LocalityBinding[][] lbvirtualtable=null;
1029 if (state.DSM||state.SINGLETM)
1030 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
1032 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
1034 /* Fill in virtual table */
1035 classit=state.getClassSymbolTable().getDescriptorsIterator();
1036 while(classit.hasNext()) {
1037 ClassDescriptor cd=(ClassDescriptor)classit.next();
1038 if(cd.isInterface()) {
1041 if (state.DSM||state.SINGLETM)
1042 fillinRow(cd, lbvirtualtable, cd.getId());
1044 fillinRow(cd, virtualtable, cd.getId());
1047 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
1048 Iterator arrayit=state.getArrayIterator();
1049 while(arrayit.hasNext()) {
1050 TypeDescriptor td=(TypeDescriptor)arrayit.next();
1051 int id=state.getArrayNumber(td);
1052 if (state.DSM||state.SINGLETM)
1053 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
1055 fillinRow(objectcd, virtualtable, id+state.numClasses());
1058 outvirtual.print("void * virtualtable[]={");
1059 boolean needcomma=false;
1060 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
1061 for(int j=0; j<maxcount; j++) {
1063 outvirtual.print(", ");
1064 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
1065 LocalityBinding lb=lbvirtualtable[i][j];
1066 MethodDescriptor md=lb.getMethod();
1067 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1068 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
1069 MethodDescriptor md=virtualtable[i][j];
1070 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1072 outvirtual.print("0");
1076 outvirtual.println("");
1078 outvirtual.println("};");
1082 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
1083 /* Get inherited methods */
1084 if (cd.getSuperDesc()!=null)
1085 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
1087 // TODO add version for normal Java later
1088 Iterator it_sifs = cd.getSuperInterfaces();
1089 while(it_sifs.hasNext()) {
1090 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
1091 fillinRow(superif, virtualtable, rownum);
1094 /* Override them with our methods */
1095 for(Iterator it=cd.getMethods(); it.hasNext();) {
1096 MethodDescriptor md=(MethodDescriptor)it.next();
1097 if (md.isStatic()||md.getReturnType()==null)
1099 int methodnum=virtualcalls.getMethodNumber(md);
1100 virtualtable[rownum][methodnum]=md;
1104 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
1105 /* Get inherited methods */
1106 if (cd.getSuperDesc()!=null)
1107 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
1108 /* Override them with our methods */
1109 if (locality.getClassBindings(cd)!=null)
1110 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
1111 LocalityBinding lb=lbit.next();
1112 MethodDescriptor md=lb.getMethod();
1113 //Is the method static or a constructor
1114 if (md.isStatic()||md.getReturnType()==null)
1116 int methodnum=virtualcalls.getLocalityNumber(lb);
1117 virtualtable[rownum][methodnum]=lb;
1121 /** Generate array that contains the sizes of class objects. The
1122 * object allocation functions in the runtime use this
1125 private void generateSizeArray(PrintWriter outclassdefs) {
1126 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
1127 outclassdefs.print("#ifdef TRANSSTATS \n");
1128 outclassdefs.print("extern int numTransAbort;\n");
1129 outclassdefs.print("extern int numTransCommit;\n");
1130 outclassdefs.print("extern int nSoftAbort;\n");
1132 outclassdefs.print("extern int nchashSearch;\n");
1133 outclassdefs.print("extern int nmhashSearch;\n");
1134 outclassdefs.print("extern int nprehashSearch;\n");
1135 outclassdefs.print("extern int ndirtyCacheObj;\n");
1136 outclassdefs.print("extern int nRemoteSend;\n");
1137 outclassdefs.print("extern int sendRemoteReq;\n");
1138 outclassdefs.print("extern int getResponse;\n");
1139 outclassdefs.print("extern int bytesSent;\n");
1140 outclassdefs.print("extern int bytesRecv;\n");
1141 outclassdefs.print("extern int totalObjSize;\n");
1142 outclassdefs.print("extern void handle();\n");
1143 } else if (state.SINGLETM) {
1144 outclassdefs.println("extern int nSoftAbortAbort;");
1145 outclassdefs.println("extern int nSoftAbortCommit;");
1146 outclassdefs.println("#ifdef STMSTATS\n");
1147 outclassdefs.println("extern objtypestat_t typesCausingAbort[];");
1148 outclassdefs.println("#endif\n");
1150 outclassdefs.print("#endif\n");
1152 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
1155 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1156 cdarray=new ClassDescriptor[state.numClasses()];
1158 while(it.hasNext()) {
1159 ClassDescriptor cd=(ClassDescriptor)it.next();
1160 if(!cd.isInterface()) {
1161 cdarray[cd.getId()]=cd;
1165 arraytable=new TypeDescriptor[state.numArrays()];
1167 Iterator arrayit=state.getArrayIterator();
1168 while(arrayit.hasNext()) {
1169 TypeDescriptor td=(TypeDescriptor)arrayit.next();
1170 int id=state.getArrayNumber(td);
1176 /* Print out types */
1177 outclassdefs.println("/* ");
1178 for(int i=0; i<state.numClasses(); i++) {
1179 ClassDescriptor cd=cdarray[i];
1181 outclassdefs.println("NULL " + i);
1183 outclassdefs.println(cd +" "+i);
1187 for(int i=0; i<state.numArrays(); i++) {
1188 TypeDescriptor arraytd=arraytable[i];
1189 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
1192 outclassdefs.println("*/");
1195 outclassdefs.print("int classsize[]={");
1197 boolean needcomma=false;
1198 for(int i=0; i<state.numClasses(); i++) {
1200 outclassdefs.print(", ");
1202 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
1204 outclassdefs.print("0");
1210 for(int i=0; i<state.numArrays(); i++) {
1212 outclassdefs.print(", ");
1213 TypeDescriptor tdelement=arraytable[i].dereference();
1214 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
1215 outclassdefs.print("sizeof(void *)");
1217 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
1221 outclassdefs.println("};");
1223 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1225 outclassdefs.print("int typearray[]={");
1226 for(int i=0; i<state.numClasses(); i++) {
1227 ClassDescriptor cd=cdarray[i];
1228 ClassDescriptor supercd=i>0?cd.getSuperDesc():null;
1230 outclassdefs.print(", ");
1232 outclassdefs.print("-1");
1234 outclassdefs.print(supercd.getId());
1238 for(int i=0; i<state.numArrays(); i++) {
1239 TypeDescriptor arraytd=arraytable[i];
1240 ClassDescriptor arraycd=arraytd.getClassDesc();
1241 if (arraycd==null) {
1243 outclassdefs.print(", ");
1244 outclassdefs.print(objectclass.getId());
1248 ClassDescriptor cd=arraycd.getSuperDesc();
1251 TypeDescriptor supertd=new TypeDescriptor(cd);
1252 supertd.setArrayCount(arraytd.getArrayCount());
1253 type=state.getArrayNumber(supertd);
1255 type+=state.numClasses();
1258 cd=cd.getSuperDesc();
1261 outclassdefs.print(", ");
1262 outclassdefs.print(type);
1266 outclassdefs.println("};");
1271 outclassdefs.print("int typearray2[]={");
1272 for(int i=0; i<state.numArrays(); i++) {
1273 TypeDescriptor arraytd=arraytable[i];
1274 ClassDescriptor arraycd=arraytd.getClassDesc();
1275 if (arraycd==null) {
1277 outclassdefs.print(", ");
1278 outclassdefs.print("-1");
1282 ClassDescriptor cd=arraycd.getSuperDesc();
1283 int level=arraytd.getArrayCount()-1;
1285 for(; level>0; level--) {
1286 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1287 supertd.setArrayCount(level);
1288 type=state.getArrayNumber(supertd);
1290 type+=state.numClasses();
1295 outclassdefs.print(", ");
1296 outclassdefs.print(type);
1300 outclassdefs.println("};");
1303 /** Constructs params and temp objects for each method or task.
1304 * These objects tell the compiler which temps need to be
1307 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
1308 MethodDescriptor md=fm.getMethod();
1309 TaskDescriptor task=fm.getTask();
1310 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
1311 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
1313 paramstable.put(lb, objectparams);
1314 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
1315 } else if (md!=null)
1316 paramstable.put(md, objectparams);
1318 paramstable.put(task, objectparams);
1320 for(int i=0; i<fm.numParameters(); i++) {
1321 TempDescriptor temp=fm.getParameter(i);
1322 TypeDescriptor type=temp.getType();
1323 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1324 objectparams.addPtr(temp);
1326 objectparams.addPrim(temp);
1327 if(lb!=null&&saveset.contains(temp)) {
1328 backuptable.get(lb).put(temp, temp.createNew());
1332 for(int i=0; i<fm.numTags(); i++) {
1333 TempDescriptor temp=fm.getTag(i);
1334 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1335 objectparams.addPtr(temp);
1337 objectparams.addPrim(temp);
1340 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1342 tempstable.put(lb, objecttemps);
1344 tempstable.put(md, objecttemps);
1346 tempstable.put(task, objecttemps);
1348 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
1349 FlatNode fn=(FlatNode)nodeit.next();
1350 TempDescriptor[] writes=fn.writesTemps();
1351 for(int i=0; i<writes.length; i++) {
1352 TempDescriptor temp=writes[i];
1353 TypeDescriptor type=temp.getType();
1354 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1355 objecttemps.addPtr(temp);
1357 objecttemps.addPrim(temp);
1358 if(lb!=null&&saveset.contains(temp)&&
1359 !backuptable.get(lb).containsKey(temp))
1360 backuptable.get(lb).put(temp, temp.createNew());
1364 /* Create backup temps */
1366 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
1367 TempDescriptor tmp=tmpit.next();
1368 TypeDescriptor type=tmp.getType();
1369 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1370 objecttemps.addPtr(tmp);
1372 objecttemps.addPrim(tmp);
1374 /* Create temp to hold revert table */
1375 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
1376 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
1377 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1378 objecttemps.addPtr(reverttmp);
1380 objecttemps.addPrim(reverttmp);
1381 reverttable.put(lb, reverttmp);
1386 /** This method outputs the following information about classes
1388 * (1) For classes, what are the locations of pointers.
1389 * (2) For arrays, does the array contain pointers or primitives.
1390 * (3) For classes, does the class contain flags.
1393 private void generateLayoutStructs(PrintWriter output) {
1394 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1395 while(it.hasNext()) {
1396 ClassDescriptor cn=(ClassDescriptor)it.next();
1397 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1398 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1400 while(allit.hasNext()) {
1401 FieldDescriptor fd=(FieldDescriptor)allit.next();
1402 TypeDescriptor type=fd.getType();
1403 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1408 output.print(count);
1409 allit=cn.getFieldTable().getAllDescriptorsIterator();
1410 while(allit.hasNext()) {
1411 FieldDescriptor fd=(FieldDescriptor)allit.next();
1412 TypeDescriptor type=fd.getType();
1413 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1416 output.println(",");
1417 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1418 fd.getSafeSymbol()+"))");
1421 output.println("};");
1423 output.println("unsigned INTPTR * pointerarray[]={");
1424 boolean needcomma=false;
1425 for(int i=0; i<state.numClasses(); i++) {
1426 ClassDescriptor cn=cdarray[i];
1428 output.println(",");
1431 output.print(cn.getSafeSymbol()+"_pointers");
1433 output.print("NULL");
1437 for(int i=0; i<state.numArrays(); i++) {
1439 output.println(", ");
1440 TypeDescriptor tdelement=arraytable[i].dereference();
1441 if (tdelement.isArray()||tdelement.isClass())
1442 output.print("((unsigned INTPTR *)1)");
1448 output.println("};");
1450 output.println("int hasflags[]={");
1451 for(int i=0; i<state.numClasses(); i++) {
1452 ClassDescriptor cn=cdarray[i];
1454 output.println(", ");
1456 if ((cn != null) && (cn.hasFlags()))
1461 output.println("};");
1464 /** Print out table to give us supertypes */
1465 private void generateSuperTypeTable(PrintWriter output) {
1466 output.println("int supertypes[]={");
1467 boolean needcomma=false;
1468 for(int i=0; i<state.numClasses(); i++) {
1469 ClassDescriptor cn=cdarray[i];
1471 output.println(",");
1473 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1474 ClassDescriptor cdsuper=cn.getSuperDesc();
1475 output.print(cdsuper.getId());
1479 output.println("};");
1482 /** Print out table to give us classnames */
1483 /*private void generateClassNameTable(PrintWriter output) {
1484 output.println("char * classname[]={");
1485 boolean needcomma=false;
1486 for(int i=0; i<state.numClasses(); i++) {
1487 ClassDescriptor cn=cdarray[i];
1489 output.println(",");
1491 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1492 output.print("\"" + cn.getSymbol() + "\"");
1494 output.print("\"\"");
1496 output.println("};");
1499 /** Force consistent field ordering between inherited classes. */
1501 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout) {
1503 ClassDescriptor sp=cn.getSuperDesc();
1505 printClassStruct(sp, classdefout, /*globaldefout*/null);
1507 SymbolTable sitbl = cn.getSuperInterfaceTable();
1508 Iterator it_sifs = sitbl.getDescriptorsIterator();
1510 while(it_sifs.hasNext()) {
1511 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1512 printClassStruct(si, classdefout, /*globaldefout*/null);
1516 if (!fieldorder.containsKey(cn)) {
1517 Vector fields=new Vector();
1518 fieldorder.put(cn,fields);
1520 Vector fieldvec=cn.getFieldVec();
1521 for(int i=0;i<fieldvec.size();i++) {
1522 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1524 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1527 it_sifs = sitbl.getDescriptorsIterator();
1528 boolean hasprinted = false;
1529 while(it_sifs.hasNext()) {
1530 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1531 if(si.getFieldTable().contains(fd.getSymbol())) {
1537 // this field has been defined in the super class
1543 if ((sp==null) || (!sp.getFieldTable().contains(fd.getSymbol())))
1548 Vector fields=(Vector)fieldorder.get(cn);
1550 /*Vector */fields = cn.getFieldVec();
1552 for(int i=0; i<fields.size(); i++) {
1553 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1554 String fstring = fd.getSymbol();
1555 if(printedfieldstbl.containsKey(fstring)) {
1556 printedfieldstbl.put(fstring, cn);
1559 printedfieldstbl.put(fstring, cn);
1561 if (state.MGC && fd.getType().isClass()
1562 && fd.getType().getClassDesc().isEnum()) {
1563 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1564 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1565 if ((state.MGC) && (fd.isStatic())) {
1566 // TODO add version for normal Java later
1568 if(globaldefout != null) {
1569 if(fd.isVolatile()) {
1570 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1572 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1575 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" ** "+fd.getSafeSymbol()+";");
1576 } else if ((state.MGC) && (fd.isVolatile())) {
1577 // TODO add version for normal Java later
1579 if(globaldefout != null) {
1580 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1582 classdefout.println(" struct"+fd.getType().getSafeSymbol()+" ** "+fd.getSafeSymbol()+";");
1584 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1586 } else if ((state.MGC) && (fd.isStatic())) {
1587 // TODO add version for normal Java later
1589 if(globaldefout != null) {
1590 if(fd.isVolatile()) {
1591 globaldefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1593 globaldefout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1596 classdefout.println(" "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1597 } else if ((state.MGC) && (fd.isVolatile())) {
1598 // TODO add version for normal Java later
1600 if(globaldefout != null) {
1601 globaldefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1603 classdefout.println(" "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1605 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1610 /* Map flags to integers consistently between inherited
1613 protected void mapFlags(ClassDescriptor cn) {
1614 ClassDescriptor sp=cn.getSuperDesc();
1618 if (!flagorder.containsKey(cn)) {
1619 Hashtable flags=new Hashtable();
1620 flagorder.put(cn,flags);
1622 Hashtable superflags=(Hashtable)flagorder.get(sp);
1623 Iterator superflagit=superflags.keySet().iterator();
1624 while(superflagit.hasNext()) {
1625 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1626 Integer number=(Integer)superflags.get(fd);
1627 flags.put(fd, number);
1628 if ((number.intValue()+1)>max)
1629 max=number.intValue()+1;
1633 Iterator flagit=cn.getFlags();
1634 while(flagit.hasNext()) {
1635 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1636 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1637 flags.put(fd, new Integer(max++));
1643 /** This function outputs (1) structures that parameters are
1644 * passed in (when PRECISE GC is enabled) and (2) function
1645 * prototypes for the methods */
1647 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout) {
1648 /* Output class structure */
1649 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1650 classdefout.println(" int type;");
1653 additionalClassObjectFields( classdefout );
1656 if (state.EVENTMONITOR) {
1657 classdefout.println(" int objuid;");
1660 classdefout.println(" pthread_t tid;");
1661 classdefout.println(" void * lockentry;");
1662 classdefout.println(" int lockcount;");
1665 classdefout.println(" int mutex;");
1666 classdefout.println(" int objlock;");
1667 if(state.MULTICOREGC) {
1668 classdefout.println(" int marked;");
1672 classdefout.println(" int flag;");
1673 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1674 classdefout.println(" void * flagptr;");
1675 } else if (state.MULTICORE) {
1676 classdefout.println(" int version;");
1677 classdefout.println(" int * lock;"); // lock entry for this obj
1678 classdefout.println(" int mutex;");
1679 classdefout.println(" int lockcount;");
1680 if(state.MULTICOREGC) {
1681 classdefout.println(" int marked;");
1684 if (state.OPTIONAL) {
1685 classdefout.println(" int numfses;");
1686 classdefout.println(" int * fses;");
1689 printClassStruct(cn, classdefout, globaldefout);
1690 printedfieldstbl.clear();
1691 classdefout.println("};\n");
1693 if (state.DSM||state.SINGLETM) {
1694 /* Cycle through LocalityBindings */
1695 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1696 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1698 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1699 LocalityBinding lb=lbit.next();
1700 MethodDescriptor md=lb.getMethod();
1701 if (md.getModifiers().isNative()) {
1702 //make sure we only print a native method once
1703 if (nativemethods.contains(md)) {
1704 FlatMethod fm=state.getMethodFlat(md);
1705 generateTempStructs(fm, lb);
1708 nativemethods.add(md);
1710 generateMethod(cn, md, lb, headersout, output);
1713 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1714 MethodDescriptor md=(MethodDescriptor)methodit.next();
1715 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1716 //Need to build param structure for library code
1717 FlatMethod fm=state.getMethodFlat(md);
1718 generateTempStructs(fm, null);
1719 generateMethodParam(cn, md, null, output);
1724 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1725 MethodDescriptor md=(MethodDescriptor)methodit.next();
1726 generateMethod(cn, md, null, headersout, output);
1730 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1731 /* Output parameter structure */
1732 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1733 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1734 if ((state.DSM||state.SINGLETM)&&lb!=null)
1735 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1737 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1738 output.println(" int size;");
1739 output.println(" void * next;");
1740 for(int i=0; i<objectparams.numPointers(); i++) {
1741 TempDescriptor temp=objectparams.getPointer(i);
1742 if(state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1743 output.println(" int " + temp.getSafeSymbol() + ";");
1745 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1748 output.println("};\n");
1752 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1753 FlatMethod fm=state.getMethodFlat(md);
1754 generateTempStructs(fm, lb);
1756 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1757 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1759 generateMethodParam(cn, md, lb, output);
1761 /* Output temp structure */
1762 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1763 if (state.DSM||state.SINGLETM)
1764 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1766 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1767 output.println(" int size;");
1768 output.println(" void * next;");
1769 for(int i=0; i<objecttemps.numPointers(); i++) {
1770 TempDescriptor temp=objecttemps.getPointer(i);
1771 if (temp.getType().isNull())
1772 output.println(" void * "+temp.getSafeSymbol()+";");
1774 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1776 output.println("};\n");
1779 /********* Output method declaration ***********/
1780 if (state.DSM||state.SINGLETM) {
1781 headersout.println("#define D"+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1783 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1785 /* First the return type */
1786 if (md.getReturnType()!=null) {
1787 if(state.MGC && md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1788 headersout.println(" int ");
1789 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1790 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1792 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1794 //catch the constructor case
1795 headersout.print("void ");
1797 /* Next the method name */
1798 if (state.DSM||state.SINGLETM) {
1799 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1801 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1803 boolean printcomma=false;
1804 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1805 if (state.DSM||state.SINGLETM) {
1806 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1808 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1812 /* Output parameter list*/
1813 for(int i=0; i<objectparams.numPrimitives(); i++) {
1814 TempDescriptor temp=objectparams.getPrimitive(i);
1816 headersout.print(", ");
1818 if(state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1819 headersout.print("int " + temp.getSafeSymbol());
1820 } else if (temp.getType().isClass()||temp.getType().isArray())
1821 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1823 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1825 headersout.println(");\n");
1829 /** This function outputs (1) structures that parameters are
1830 * passed in (when PRECISE GC is enabled) and (2) function
1831 * prototypes for the tasks */
1833 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1834 /* Cycle through tasks */
1835 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1837 while(taskit.hasNext()) {
1838 /* Classify parameters */
1839 TaskDescriptor task=(TaskDescriptor)taskit.next();
1840 FlatMethod fm=state.getMethodFlat(task);
1841 generateTempStructs(fm, null);
1843 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1844 TempObject objecttemps=(TempObject) tempstable.get(task);
1846 /* Output parameter structure */
1847 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1848 output.println("struct "+task.getSafeSymbol()+"_params {");
1849 output.println(" int size;");
1850 output.println(" void * next;");
1851 for(int i=0; i<objectparams.numPointers(); i++) {
1852 TempDescriptor temp=objectparams.getPointer(i);
1853 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1856 output.println("};\n");
1857 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1858 maxtaskparams=objectparams.numPointers()+fm.numTags();
1862 /* Output temp structure */
1863 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1864 output.println("struct "+task.getSafeSymbol()+"_locals {");
1865 output.println(" int size;");
1866 output.println(" void * next;");
1867 for(int i=0; i<objecttemps.numPointers(); i++) {
1868 TempDescriptor temp=objecttemps.getPointer(i);
1869 if (temp.getType().isNull())
1870 output.println(" void * "+temp.getSafeSymbol()+";");
1871 else if(temp.getType().isTag())
1872 output.println(" struct "+
1873 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1875 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1877 output.println("};\n");
1880 /* Output task declaration */
1881 headersout.print("void " + task.getSafeSymbol()+"(");
1883 boolean printcomma=false;
1884 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1885 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1887 headersout.print("void * parameterarray[]");
1888 headersout.println(");\n");
1892 /***** Generate code for FlatMethod fm. *****/
1894 Hashtable<FlatAtomicEnterNode, AtomicRecord> atomicmethodmap;
1895 static int atomicmethodcount=0;
1898 BranchAnalysis branchanalysis;
1899 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1900 if (State.PRINTFLAT)
1901 System.out.println(fm.printMethod());
1902 MethodDescriptor md=fm.getMethod();
1903 TaskDescriptor task=fm.getTask();
1904 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1905 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1907 HashSet<AtomicRecord> arset=null;
1908 branchanalysis=null;
1910 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
1912 if (atomicmethodmap==null)
1913 atomicmethodmap=new Hashtable<FlatAtomicEnterNode, AtomicRecord>();
1915 //fix these so we get right strings for local variables
1916 localsprefixaddr=localsprefix;
1917 localsprefixderef=localsprefix+"->";
1918 arset=new HashSet<AtomicRecord>();
1920 //build branchanalysis
1921 branchanalysis=new BranchAnalysis(locality, lb, delaycomp.getNotReady(lb), delaycomp.livecode(lb), state);
1923 //Generate commit methods here
1924 for(Iterator<FlatNode> fnit=fm.getNodeSet().iterator();fnit.hasNext();) {
1925 FlatNode fn=fnit.next();
1926 if (fn.kind()==FKind.FlatAtomicEnterNode&&
1927 locality.getAtomic(lb).get(fn.getPrev(0)).intValue()==0&&
1928 delaycomp.needsFission(lb, (FlatAtomicEnterNode) fn)) {
1929 //We have an atomic enter
1930 FlatAtomicEnterNode faen=(FlatAtomicEnterNode) fn;
1931 Set<FlatNode> exitset=faen.getExits();
1933 String methodname=md.getSymbol()+(atomicmethodcount++);
1934 AtomicRecord ar=new AtomicRecord();
1938 atomicmethodmap.put(faen, ar);
1940 //build data structure declaration
1941 output.println("struct atomicprimitives_"+methodname+" {");
1943 Set<FlatNode> recordset=delaycomp.livecode(lb);
1944 Set<TempDescriptor> liveinto=delaycomp.liveinto(lb, faen, recordset);
1945 Set<TempDescriptor> liveout=delaycomp.liveout(lb, faen);
1946 Set<TempDescriptor> liveoutvirtualread=delaycomp.liveoutvirtualread(lb, faen);
1948 ar.reallivein=new HashSet(liveinto);
1950 ar.liveoutvirtualread=liveoutvirtualread;
1953 for(Iterator<TempDescriptor> it=liveinto.iterator(); it.hasNext();) {
1954 TempDescriptor tmp=it.next();
1955 //remove the pointers
1956 if (tmp.getType().isPtr()) {
1959 //let's print it here
1960 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
1963 for(Iterator<TempDescriptor> it=liveout.iterator(); it.hasNext();) {
1964 TempDescriptor tmp=it.next();
1965 //remove the pointers
1966 if (tmp.getType().isPtr()) {
1968 } else if (!liveinto.contains(tmp)) {
1969 //let's print it here
1970 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
1973 output.println("};");
1975 //print out method name
1976 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) {");
1977 //build code for commit method
1979 //first define local primitives
1980 Set<TempDescriptor> alltemps=delaycomp.alltemps(lb, faen, recordset);
1981 for(Iterator<TempDescriptor> tmpit=alltemps.iterator();tmpit.hasNext();) {
1982 TempDescriptor tmp=tmpit.next();
1983 if (!tmp.getType().isPtr()) {
1984 if (liveinto.contains(tmp)||liveoutvirtualread.contains(tmp)) {
1985 //read from live into set
1986 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+"=primitives->"+tmp.getSafeSymbol()+";");
1989 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
1993 //turn off write barrier generation
1995 state.SINGLETM=false;
1996 generateCode(faen, fm, lb, exitset, output, false);
1997 state.SINGLETM=true;
1998 //turn on write barrier generation
2000 output.println("}\n\n");
2004 //redefine these back to normal
2006 localsprefixaddr="&"+localsprefix;
2007 localsprefixderef=localsprefix+".";
2009 generateHeader(fm, lb, md!=null ? md : task,output);
2010 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
2012 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
2013 for(Iterator<AtomicRecord> arit=arset.iterator();arit.hasNext();) {
2014 AtomicRecord ar=arit.next();
2015 output.println("struct atomicprimitives_"+ar.name+" primitives_"+ar.name+";");
2019 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2020 if (md!=null&&(state.DSM||state.SINGLETM))
2021 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
2022 else if (md!=null&&!(state.DSM||state.SINGLETM))
2023 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
2025 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
2026 output.print(objecttemp.numPointers()+",");
2027 output.print(paramsprefix);
2028 for(int j=0; j<objecttemp.numPointers(); j++)
2029 output.print(", NULL");
2030 output.println("};");
2033 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2034 TempDescriptor td=objecttemp.getPrimitive(i);
2035 TypeDescriptor type=td.getType();
2036 if (type.isNull() && !type.isArray())
2037 output.println(" void * "+td.getSafeSymbol()+";");
2038 else if (state.MGC && type.isClass() && type.getClassDesc().isEnum()) {
2039 output.println(" int " + td.getSafeSymbol() + ";");
2040 } else if (type.isClass()||type.isArray())
2041 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2043 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2048 additionalCodeAtTopFlatMethodBody( output, fm );
2052 /* Check to see if we need to do a GC if this is a
2053 * multi-threaded program...*/
2055 if (((state.OOOJAVA||state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC)
2056 || this.state.MULTICOREGC) {
2057 //Don't bother if we aren't in recursive methods...The loops case will catch it
2058 if (callgraph.getAllMethods(md).contains(md)) {
2059 if (state.DSM&&lb.isAtomic())
2060 output.println("if (needtocollect) checkcollect2("+localsprefixaddr+");");
2061 else if (this.state.MULTICOREGC) {
2062 output.println("if(gcflag) gc("+localsprefixaddr+");");
2064 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2070 // TODO add version for normal Java later
2071 if(fm.getMethod().isStaticBlock()) {
2072 // a static block, check if it has been executed
2073 output.println(" if(global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
2074 output.println(" return;");
2075 output.println(" }");
2078 if((!fm.getMethod().isStaticBlock()) && (fm.getMethod().getReturnType() == null) && (cn != null)){
2079 // is a constructor, check and output initialization of the static fields
2080 // here does not initialize the static fields of the class, instead it
2081 // redirect the corresponding fields in the object to the global_defs_p
2082 Vector fields=cn.getFieldVec();
2084 for(int i=0; i<fields.size(); i++) {
2085 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
2088 output.println(generateTemp(fm,fm.getParameter(0),lb)+"->"+fd.getSafeSymbol()+"=&(global_defs_p->"+fd.getSafeSymbol()+");");
2094 generateCode(fm.getNext(0), fm, lb, null, output, true);
2096 output.println("}\n\n");
2101 protected void generateCode(FlatNode first,
2104 Set<FlatNode> stopset,
2106 boolean firstpass) {
2108 /* Assign labels to FlatNode's if necessary.*/
2110 Hashtable<FlatNode, Integer> nodetolabel;
2112 if (state.DELAYCOMP&&!firstpass)
2113 nodetolabel=dcassignLabels(first, stopset);
2115 nodetolabel=assignLabels(first, stopset);
2117 Set<FlatNode> storeset=null;
2118 HashSet<FlatNode> genset=null;
2119 HashSet<FlatNode> refset=null;
2120 Set<FlatNode> unionset=null;
2122 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
2123 storeset=delaycomp.livecode(lb);
2124 genset=new HashSet<FlatNode>();
2125 if (state.STMARRAY&&!state.DUALVIEW) {
2126 refset=new HashSet<FlatNode>();
2127 refset.addAll(delaycomp.getDeref(lb));
2128 refset.removeAll(delaycomp.getCannotDelay(lb));
2129 refset.removeAll(delaycomp.getOther(lb));
2132 genset.addAll(delaycomp.getCannotDelay(lb));
2133 genset.addAll(delaycomp.getOther(lb));
2135 genset.addAll(delaycomp.getNotReady(lb));
2136 if (state.STMARRAY&&!state.DUALVIEW) {
2137 genset.removeAll(refset);
2140 unionset=new HashSet<FlatNode>();
2141 unionset.addAll(storeset);
2142 unionset.addAll(genset);
2143 if (state.STMARRAY&&!state.DUALVIEW)
2144 unionset.addAll(refset);
2147 /* Do the actual code generation */
2148 FlatNode current_node=null;
2149 HashSet tovisit=new HashSet();
2150 HashSet visited=new HashSet();
2152 tovisit.add(first.getNext(0));
2155 while(current_node!=null||!tovisit.isEmpty()) {
2156 if (current_node==null) {
2157 current_node=(FlatNode)tovisit.iterator().next();
2158 tovisit.remove(current_node);
2159 } else if (tovisit.contains(current_node)) {
2160 tovisit.remove(current_node);
2162 visited.add(current_node);
2163 if (nodetolabel.containsKey(current_node)) {
2164 output.println("L"+nodetolabel.get(current_node)+":");
2166 if (state.INSTRUCTIONFAILURE) {
2167 if (state.THREAD||state.DSM||state.SINGLETM) {
2168 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2170 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2172 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2174 if (!state.DELAYCOMP||firstpass) {
2175 generateFlatNode(fm, lb, current_node, output);
2177 //store primitive variables in out set
2178 AtomicRecord ar=atomicmethodmap.get((FlatAtomicEnterNode)first);
2179 Set<TempDescriptor> liveout=ar.liveout;
2180 for(Iterator<TempDescriptor> tmpit=liveout.iterator();tmpit.hasNext();) {
2181 TempDescriptor tmp=tmpit.next();
2182 output.println("primitives->"+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
2185 if (state.OOOJAVA && stopset!=null) {
2186 assert first.getPrev( 0 ) instanceof FlatSESEEnterNode;
2187 assert current_node instanceof FlatSESEExitNode;
2188 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev( 0 );
2189 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2190 assert fsen.getFlatExit().equals( fsxn );
2191 assert fsxn.getFlatEnter().equals( fsen );
2193 if (current_node.kind()!=FKind.FlatReturnNode) {
2195 // TODO add version for normal Java later
2196 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2197 // a static block, check if it has been executed
2198 output.println(" global_defs_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2202 output.println(" return;");
2205 } else if(current_node.numNext()==1) {
2207 if (state.OOOJAVA &&
2208 current_node.kind()==FKind.FlatSESEEnterNode
2210 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2211 generateFlatNode(fm, lb, current_node, output);
2212 nextnode=fsen.getFlatExit().getNext(0);
2213 } else if (state.DELAYCOMP) {
2214 boolean specialprimitive=false;
2215 //skip literals...no need to add extra overhead
2216 if (storeset!=null&&storeset.contains(current_node)&¤t_node.kind()==FKind.FlatLiteralNode) {
2217 TypeDescriptor typedesc=((FlatLiteralNode)current_node).getType();
2218 if (!typedesc.isClass()&&!typedesc.isArray()) {
2219 specialprimitive=true;
2223 if (genset==null||genset.contains(current_node)||specialprimitive)
2224 generateFlatNode(fm, lb, current_node, output);
2225 if (state.STMARRAY&&!state.DUALVIEW&&refset!=null&&refset.contains(current_node)) {
2226 //need to acquire lock
2227 handleArrayDeref(fm, lb, current_node, output, firstpass);
2229 if (storeset!=null&&storeset.contains(current_node)&&!specialprimitive) {
2230 TempDescriptor wrtmp=current_node.writesTemps()[0];
2232 //need to store value written by previous node
2233 if (wrtmp.getType().isPtr()) {
2234 //only lock the objects that may actually need locking
2235 if (recorddc.getNeedTrans(lb, current_node)&&
2236 (!state.STMARRAY||state.DUALVIEW||!wrtmp.getType().isArray()||
2237 wrtmp.getType().getSymbol().equals(TypeUtil.ObjectClass))) {
2238 output.println("STOREPTR("+generateTemp(fm, wrtmp,lb)+");/* "+current_node.nodeid+" */");
2240 output.println("STOREPTRNOLOCK("+generateTemp(fm, wrtmp,lb)+");/* "+current_node.nodeid+" */");
2243 output.println("STORE"+wrtmp.getType().getSafeDescriptor()+"("+generateTemp(fm, wrtmp, lb)+");/* "+current_node.nodeid+" */");
2246 //need to read value read by previous node
2247 if (wrtmp.getType().isPtr()) {
2248 output.println("RESTOREPTR("+generateTemp(fm, wrtmp,lb)+");/* "+current_node.nodeid+" */");
2250 output.println("RESTORE"+wrtmp.getType().getSafeDescriptor()+"("+generateTemp(fm, wrtmp, lb)+"); /* "+current_node.nodeid+" */");
2254 nextnode=current_node.getNext(0);
2257 generateFlatNode(fm, lb, current_node, output);
2258 nextnode=current_node.getNext(0);
2260 if (visited.contains(nextnode)) {
2261 output.println("goto L"+nodetolabel.get(nextnode)+";");
2264 current_node=nextnode;
2265 } else if (current_node.numNext()==2) {
2267 if (state.DELAYCOMP) {
2268 boolean computeside=false;
2270 //need to record which way it should go
2271 if (genset==null||genset.contains(current_node)) {
2272 if (storeset!=null&&storeset.contains(current_node)) {
2273 //need to store which way branch goes
2274 generateStoreFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2276 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2278 //which side to execute
2282 if (genset.contains(current_node)) {
2283 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2284 } else if (storeset.contains(current_node)) {
2286 branchanalysis.generateGroupCode(current_node, output, nodetolabel);
2288 //which side to execute
2293 Set<FlatNode> leftset=DelayComputation.getNext(current_node, 0, unionset, lb,locality, true);
2295 if (leftset.size()==0)
2297 if (visited.contains(current_node.getNext(branch))) {
2298 //already visited -- build jump
2299 output.println("goto L"+nodetolabel.get(current_node.getNext(branch))+";");
2302 current_node=current_node.getNext(branch);
2305 if (!visited.contains(current_node.getNext(1)))
2306 tovisit.add(current_node.getNext(1));
2307 if (visited.contains(current_node.getNext(0))) {
2308 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2311 current_node=current_node.getNext(0);
2315 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2316 if (!visited.contains(current_node.getNext(1)))
2317 tovisit.add(current_node.getNext(1));
2318 if (visited.contains(current_node.getNext(0))) {
2319 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2322 current_node=current_node.getNext(0);
2324 } else throw new Error();
2328 protected void handleArrayDeref(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output, boolean firstpass) {
2329 if (fn.kind()==FKind.FlatSetElementNode) {
2330 FlatSetElementNode fsen=(FlatSetElementNode) fn;
2331 String dst=generateTemp(fm, fsen.getDst(), lb);
2332 String src=generateTemp(fm, fsen.getSrc(), lb);
2333 String index=generateTemp(fm, fsen.getIndex(), lb);
2334 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2336 if (elementtype.isArray()||elementtype.isClass())
2339 type=elementtype.getSafeSymbol()+" ";
2341 output.println("STOREARRAY("+dst+","+index+","+type+")");
2343 output.println("{");
2344 output.println(" struct ArrayObject *array;");
2345 output.println(" int index;");
2346 output.println(" RESTOREARRAY(array,index);");
2347 output.println(" (("+type+"*)(((char *)&array->___length___)+sizeof(int)))[index]="+src+";");
2348 output.println("}");
2350 } else if (fn.kind()==FKind.FlatElementNode) {
2351 FlatElementNode fen=(FlatElementNode) fn;
2352 String src=generateTemp(fm, fen.getSrc(), lb);
2353 String index=generateTemp(fm, fen.getIndex(), lb);
2354 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2355 String dst=generateTemp(fm, fen.getDst(), lb);
2357 if (elementtype.isArray()||elementtype.isClass())
2360 type=elementtype.getSafeSymbol()+" ";
2362 output.println("STOREARRAY("+src+","+index+","+type+")");
2364 output.println("{");
2365 output.println(" struct ArrayObject *array;");
2366 output.println(" int index;");
2367 output.println(" RESTOREARRAY(array,index);");
2368 output.println(" "+dst+"=(("+type+"*)(((char *)&array->___length___)+sizeof(int)))[index];");
2369 output.println("}");
2373 /** Special label assignment for delaycomputation */
2374 protected Hashtable<FlatNode, Integer> dcassignLabels(FlatNode first, Set<FlatNode> lastset) {
2375 HashSet tovisit=new HashSet();
2376 HashSet visited=new HashSet();
2378 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2380 //Label targets of branches
2381 Set<FlatNode> targets=branchanalysis.getTargets();
2382 for(Iterator<FlatNode> it=targets.iterator();it.hasNext();) {
2383 nodetolabel.put(it.next(), new Integer(labelindex++));
2388 /*Assign labels first. A node needs a label if the previous
2389 * node has two exits or this node is a join point. */
2391 while(!tovisit.isEmpty()) {
2392 FlatNode fn=(FlatNode)tovisit.iterator().next();
2397 if(lastset!=null&&lastset.contains(fn)) {
2398 // if last is not null and matches, don't go
2399 // any further for assigning labels
2403 for(int i=0; i<fn.numNext(); i++) {
2404 FlatNode nn=fn.getNext(i);
2407 //1) Edge >1 of node
2408 nodetolabel.put(nn,new Integer(labelindex++));
2410 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2414 nodetolabel.put(nn,new Integer(labelindex++));
2422 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first) {
2423 return assignLabels(first, null);
2426 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2427 HashSet tovisit=new HashSet();
2428 HashSet visited=new HashSet();
2430 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2433 /*Assign labels first. A node needs a label if the previous
2434 * node has two exits or this node is a join point. */
2436 while(!tovisit.isEmpty()) {
2437 FlatNode fn=(FlatNode)tovisit.iterator().next();
2442 if(lastset!=null&&lastset.contains(fn)) {
2443 // if last is not null and matches, don't go
2444 // any further for assigning labels
2448 for(int i=0; i<fn.numNext(); i++) {
2449 FlatNode nn=fn.getNext(i);
2452 //1) Edge >1 of node
2453 nodetolabel.put(nn,new Integer(labelindex++));
2455 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2459 nodetolabel.put(nn,new Integer(labelindex++));
2467 /** Generate text string that corresponds to the TempDescriptor td. */
2468 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
2469 MethodDescriptor md=fm.getMethod();
2470 TaskDescriptor task=fm.getTask();
2471 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
2473 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2474 return td.getSafeSymbol();
2477 if (objecttemps.isLocalPtr(td)) {
2478 return localsprefixderef+td.getSafeSymbol();
2481 if (objecttemps.isParamPtr(td)) {
2482 return paramsprefix+"->"+td.getSafeSymbol();
2490 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
2493 additionalCodePreNode( fm, lb, fn, output );
2497 case FKind.FlatAtomicEnterNode:
2498 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
2501 case FKind.FlatAtomicExitNode:
2502 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
2505 case FKind.FlatInstanceOfNode:
2506 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
2509 case FKind.FlatSESEEnterNode:
2510 generateFlatSESEEnterNode(fm, lb, (FlatSESEEnterNode)fn, output);
2513 case FKind.FlatSESEExitNode:
2514 generateFlatSESEExitNode(fm, lb, (FlatSESEExitNode)fn, output);
2517 case FKind.FlatWriteDynamicVarNode:
2518 generateFlatWriteDynamicVarNode(fm, lb, (FlatWriteDynamicVarNode)fn, output);
2521 case FKind.FlatGlobalConvNode:
2522 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
2525 case FKind.FlatTagDeclaration:
2526 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
2529 case FKind.FlatCall:
2530 generateFlatCall(fm, lb, (FlatCall) fn,output);
2533 case FKind.FlatFieldNode:
2534 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
2537 case FKind.FlatElementNode:
2538 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
2541 case FKind.FlatSetElementNode:
2542 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
2545 case FKind.FlatSetFieldNode:
2546 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
2550 generateFlatNew(fm, lb, (FlatNew) fn,output);
2553 case FKind.FlatOpNode:
2554 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
2557 case FKind.FlatCastNode:
2558 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
2561 case FKind.FlatLiteralNode:
2562 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
2565 case FKind.FlatReturnNode:
2566 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
2570 output.println("/* nop */");
2573 case FKind.FlatGenReachNode:
2574 // this node is just for generating a reach graph
2575 // in disjointness analysis at a particular program point
2578 case FKind.FlatExit:
2579 output.println("/* exit */");
2582 case FKind.FlatBackEdge:
2583 if (state.SINGLETM&&state.SANDBOX&&(locality.getAtomic(lb).get(fn).intValue()>0)) {
2584 output.println("if (unlikely((--transaction_check_counter)<=0)) checkObjects();");
2586 if(state.DSM&&state.SANDBOX&&(locality.getAtomic(lb).get(fn).intValue()>0)) {
2587 output.println("if (unlikely((--transaction_check_counter)<=0)) checkObjects();");
2589 if (((state.OOOJAVA||state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC)
2590 || (this.state.MULTICOREGC)) {
2591 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
2592 output.println("if (needtocollect) checkcollect2("+localsprefixaddr+");");
2593 } else if(this.state.MULTICOREGC) {
2594 output.println("if (gcflag) gc("+localsprefixaddr+");");
2596 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2599 output.println("/* nop */");
2602 case FKind.FlatCheckNode:
2603 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
2606 case FKind.FlatFlagActionNode:
2607 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
2610 case FKind.FlatPrefetchNode:
2611 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
2614 case FKind.FlatOffsetNode:
2615 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
2623 additionalCodePostNode( fm, lb, fn, output );
2626 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
2627 output.println("/* FlatOffsetNode */");
2628 FieldDescriptor fd=fofn.getField();
2629 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2630 fd.getSafeSymbol()+");");
2631 output.println("/* offset */");
2634 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
2635 if (state.PREFETCH) {
2636 Vector oids = new Vector();
2637 Vector fieldoffset = new Vector();
2638 Vector endoffset = new Vector();
2639 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
2640 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
2641 PrefetchPair pp = (PrefetchPair) it.next();
2642 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
2643 /* Find prefetches that can generate oid */
2644 if(statusbase == LocalityAnalysis.GLOBAL) {
2645 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
2647 } else if (statusbase == LocalityAnalysis.LOCAL) {
2648 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
2655 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
2656 output.println("{");
2657 output.println("/* prefetch */");
2658 output.println("/* prefetchid_" + fpn.siteid + " */");
2659 output.println("void * prefptr;");
2660 output.println("int tmpindex;");
2662 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
2663 /*Create C code for oid array */
2664 output.print(" unsigned int oidarray_[] = {");
2665 boolean needcomma=false;
2666 for (Iterator it = oids.iterator(); it.hasNext();) {
2669 output.print(it.next());
2672 output.println("};");
2674 /*Create C code for endoffset values */
2675 output.print(" unsigned short endoffsetarry_[] = {");
2677 for (Iterator it = endoffset.iterator(); it.hasNext();) {
2680 output.print(it.next());
2683 output.println("};");
2685 /*Create C code for Field Offset Values */
2686 output.print(" short fieldarry_[] = {");
2688 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
2691 output.print(it.next());
2694 output.println("};");
2695 /* make the prefetch call to Runtime */
2696 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
2697 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
2698 output.println(" }");
2699 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
2700 output.println(" } else {");
2701 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
2702 output.println(" }");
2703 output.println("}");
2707 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
2708 short offsetcount = 0;
2712 } else if (localbase) {
2713 for(; breakindex<pp.desc.size(); breakindex++) {
2714 Descriptor desc=pp.getDescAt(breakindex);
2715 if (desc instanceof FieldDescriptor) {
2716 FieldDescriptor fd=(FieldDescriptor)desc;
2717 if (fd.isGlobal()) {
2725 if (breakindex>pp.desc.size()) //all local
2728 TypeDescriptor lasttype=pp.base.getType();
2729 String basestr=generateTemp(fm, pp.base, lb);
2731 boolean maybenull=fm.getMethod().isStatic()||
2732 !pp.base.equals(fm.getParameter(0));
2734 for(int i=0; i<breakindex; i++) {
2735 String indexcheck="";
2737 Descriptor desc=pp.getDescAt(i);
2738 if (desc instanceof FieldDescriptor) {
2739 FieldDescriptor fd=(FieldDescriptor)desc;
2741 if (!teststr.equals(""))
2743 teststr+="((prefptr="+basestr+")!=NULL)";
2744 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+
2747 basestr=basestr+"->"+
2751 lasttype=fd.getType();
2753 IndexDescriptor id=(IndexDescriptor)desc;
2754 indexcheck="((tmpindex=";
2755 for(int j=0; j<id.tddesc.size(); j++) {
2756 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
2758 indexcheck+=id.offset+")>=0)&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
2760 if (!teststr.equals(""))
2762 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
2763 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
2765 lasttype=lasttype.dereference();
2770 if (teststr.equals("")) {
2771 oid="((unsigned int)"+basestr+")";
2773 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
2777 for(int i = breakindex; i < pp.desc.size(); i++) {
2778 String newfieldoffset;
2779 Object desc = pp.getDescAt(i);
2780 if(desc instanceof FieldDescriptor) {
2781 FieldDescriptor fd=(FieldDescriptor)desc;
2782 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
2783 lasttype=fd.getType();
2785 newfieldoffset = "";
2786 IndexDescriptor id=(IndexDescriptor)desc;
2787 for(int j = 0; j < id.tddesc.size(); j++) {
2788 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
2790 newfieldoffset += id.offset.toString();
2791 lasttype=lasttype.dereference();
2793 fieldoffset.add(newfieldoffset);
2796 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
2797 base+=pp.desc.size()-breakindex;
2798 endoffset.add(new Short((short)base));
2803 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
2804 if (lb!=fgcn.getLocality())
2806 /* Have to generate flat globalconv */
2807 if (fgcn.getMakePtr()) {
2809 //DEBUG: output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+",\" "+fm+":"+fgcn+"\");");
2810 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
2812 if ((dc==null)||!state.READSET&&dc.getNeedTrans(lb, fgcn)||state.READSET&&dc.getNeedWriteTrans(lb, fgcn)) {
2813 //need to do translation
2814 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+", (void *)("+localsprefixaddr+"));");
2815 } else if (state.READSET&&dc.getNeedTrans(lb, fgcn)) {
2816 if (state.HYBRID&&delaycomp.getConv(lb).contains(fgcn)) {
2817 output.println("TRANSREADRDFISSION("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+");");
2819 output.println("TRANSREADRD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+");");
2823 /* Need to convert to OID */
2824 if ((dc==null)||dc.getNeedSrcTrans(lb,fgcn)) {
2825 if (fgcn.doConvert()||(delaycomp!=null&&delaycomp.needsFission(lb, fgcn.getAtomicEnter())&&atomicmethodmap.get(fgcn.getAtomicEnter()).reallivein.contains(fgcn.getSrc()))) {
2826 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
2828 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
2834 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
2836 if (fion.getType().isArray()) {
2837 type=state.getArrayNumber(fion.getType())+state.numClasses();
2839 type=fion.getType().getClassDesc().getId();
2842 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2843 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
2845 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
2848 int sandboxcounter=0;
2849 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
2850 /* Check to see if we need to generate code for this atomic */
2851 if (locality==null) {
2852 if (GENERATEPRECISEGC) {
2853 output.println("if (pthread_mutex_trylock(&atomiclock)!=0) {");
2854 output.println("stopforgc((struct garbagelist *) &___locals___);");
2855 output.println("pthread_mutex_lock(&atomiclock);");
2856 output.println("restartaftergc();");
2857 output.println("}");
2859 output.println("pthread_mutex_lock(&atomiclock);");
2864 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
2868 if (state.SANDBOX) {
2869 outsandbox.println("int atomiccounter"+sandboxcounter+"=LOW_CHECK_FREQUENCY;");
2870 output.println("counter_reset_pointer=&atomiccounter"+sandboxcounter+";");
2873 if (state.DELAYCOMP&&delaycomp.needsFission(lb, faen)) {
2874 AtomicRecord ar=atomicmethodmap.get(faen);
2876 for(Iterator<TempDescriptor> tmpit=ar.livein.iterator();tmpit.hasNext();) {
2877 TempDescriptor tmp=tmpit.next();
2878 output.println("primitives_"+ar.name+"."+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
2881 //copy outs that depend on path
2882 for(Iterator<TempDescriptor> tmpit=ar.liveoutvirtualread.iterator();tmpit.hasNext();) {
2883 TempDescriptor tmp=tmpit.next();
2884 if (!ar.livein.contains(tmp))
2885 output.println("primitives_"+ar.name+"."+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
2889 /* Backup the temps. */
2890 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2891 TempDescriptor tmp=tmpit.next();
2892 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
2895 output.println("goto transstart"+faen.getIdentifier()+";");
2897 /******* Print code to retry aborted transaction *******/
2898 output.println("transretry"+faen.getIdentifier()+":");
2901 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2902 TempDescriptor tmp=tmpit.next();
2903 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
2907 /********* Need to revert local object store ********/
2908 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2910 output.println("while ("+revertptr+") {");
2911 output.println("struct ___Object___ * tmpptr;");
2912 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2913 output.println("REVERT_OBJ("+revertptr+");");
2914 output.println(revertptr+"=tmpptr;");
2915 output.println("}");
2917 /******* Tell the runtime to start the transaction *******/
2919 output.println("transstart"+faen.getIdentifier()+":");
2920 if (state.SANDBOX) {
2921 output.println("transaction_check_counter=*counter_reset_pointer;");
2924 output.println("transStart();");
2926 if (state.ABORTREADERS||state.SANDBOX) {
2928 output.println("abortenabled=1;");
2929 output.println("if (_setjmp(aborttrans)) {");
2930 output.println(" goto transretry"+faen.getIdentifier()+"; }");
2934 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
2935 /* Check to see if we need to generate code for this atomic */
2936 if (locality==null) {
2937 output.println("pthread_mutex_unlock(&atomiclock);");
2940 if (locality.getAtomic(lb).get(faen).intValue()>0)
2942 //store the revert list before we lose the transaction object
2945 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2946 output.println(revertptr+"=revertlist;");
2947 output.println("if (transCommit()) {");
2948 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2949 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2950 output.println("} else {");
2951 /* Need to commit local object store */
2952 output.println("while ("+revertptr+") {");
2953 output.println("struct ___Object___ * tmpptr;");
2954 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2955 output.println("COMMIT_OBJ("+revertptr+");");
2956 output.println(revertptr+"=tmpptr;");
2957 output.println("}");
2958 output.println("}");
2962 if (!state.DELAYCOMP) {
2964 output.println("if (transCommit()) {");
2965 /* Transaction aborts if it returns true */
2966 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2967 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2968 output.println("}");
2970 if (delaycomp.optimizeTrans(lb, faen.getAtomicEnter())&&(!state.STMARRAY||state.DUALVIEW)) {
2971 AtomicRecord ar=atomicmethodmap.get(faen.getAtomicEnter());
2972 output.println("LIGHTWEIGHTCOMMIT("+ar.name+", &primitives_"+ar.name+", &"+localsprefix+", "+paramsprefix+", transretry"+faen.getAtomicEnter().getIdentifier()+");");
2974 for(Iterator<TempDescriptor> tmpit=ar.liveout.iterator();tmpit.hasNext();) {
2975 TempDescriptor tmp=tmpit.next();
2976 output.println(tmp.getSafeSymbol()+"=primitives_"+ar.name+"."+tmp.getSafeSymbol()+";");
2978 } else if (delaycomp.needsFission(lb, faen.getAtomicEnter())) {
2979 AtomicRecord ar=atomicmethodmap.get(faen.getAtomicEnter());
2981 output.println("if (transCommit((void (*)(void *, void *, void *))&"+ar.name+", &primitives_"+ar.name+", &"+localsprefix+", "+paramsprefix+")) {");
2982 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2983 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2984 output.println("}");
2986 output.println("else {");
2987 for(Iterator<TempDescriptor> tmpit=ar.liveout.iterator();tmpit.hasNext();) {
2988 TempDescriptor tmp=tmpit.next();
2989 output.println(tmp.getSafeSymbol()+"=primitives_"+ar.name+"."+tmp.getSafeSymbol()+";");
2991 output.println("}");
2993 output.println("if (transCommit(NULL, NULL, NULL, NULL)) {");
2994 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2995 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2996 output.println("}");
3001 public void generateFlatSESEEnterNode( FlatMethod fm,
3003 FlatSESEEnterNode fsen,
3004 PrintWriter output) {
3005 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
3006 // just skip over them and code generates exactly the same
3009 public void generateFlatSESEExitNode( FlatMethod fm,
3011 FlatSESEExitNode fsexn,
3012 PrintWriter output) {
3013 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
3014 // just skip over them and code generates exactly the same
3017 public void generateFlatWriteDynamicVarNode( FlatMethod fm,
3019 FlatWriteDynamicVarNode fwdvn,
3022 if( !state.OOOJAVA ) {
3023 // should node should not be in an IR graph if the
3024 // OOOJAVA flag is not set
3025 throw new Error("Unexpected presence of FlatWriteDynamicVarNode");
3030 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
3031 if (state.CONSCHECK) {
3032 String specname=fcn.getSpec();
3033 String varname="repairstate___";
3034 output.println("{");
3035 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
3037 TempDescriptor[] temps=fcn.getTemps();
3038 String[] vars=fcn.getVars();
3039 for(int i=0; i<temps.length; i++) {
3040 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
3043 output.println("if (doanalysis"+specname+"("+varname+")) {");
3044 output.println("free"+specname+"_state("+varname+");");
3045 output.println("} else {");
3046 output.println("/* Bad invariant */");
3047 output.println("free"+specname+"_state("+varname+");");
3048 output.println("abort_task();");
3049 output.println("}");
3050 output.println("}");
3054 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
3056 MethodDescriptor md=fc.getMethod();
3057 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? locality.getBinding(lb, fc) : md);
3058 ClassDescriptor cn=md.getClassDesc();
3060 // if the called method is a static block or a static method or a constructor
3061 // need to check if it can be invoked inside some static block
3063 // TODO add version for normal Java later
3064 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
3065 ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic()))) {
3066 if(!md.isInvokedByStatic()) {
3067 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
3069 // is a static block or is invoked in some static block
3070 ClassDescriptor cd = fm.getMethod().getClassDesc();
3072 // the same class, do nothing
3073 // TODO may want to invoke static field initialization here
3075 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
3076 // need to check if the class' static fields have been initialized and/or
3077 // its static blocks have been executed
3078 output.println("#ifdef MGC_STATIC_INIT_CHECK");
3079 output.println("if(global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
3080 if(cn.getNumStaticBlocks() != 0) {
3081 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
3082 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
3084 output.println(" global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
3086 output.println("}");
3087 output.println("#endif // MGC_STATIC_INIT_CHECK");
3091 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
3092 // call MonitorEnter/MonitorExit on a class obj
3093 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
3094 +md.getSafeMethodDescriptor() + "((struct ___Object___*)(&global_defs_p->"
3095 + fc.getThis().getType().getClassDesc().getSafeSymbol() +"classobj));");
3100 output.println("{");
3101 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3103 LocalityBinding fclb=locality.getBinding(lb, fc);
3104 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
3106 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
3107 output.print(objectparams.numPointers());
3108 output.print(", "+localsprefixaddr);
3109 if (md.getThis()!=null) {
3111 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
3113 if (fc.getThis()!=null&&md.getThis()==null) {
3114 System.out.println("WARNING!!!!!!!!!!!!");
3115 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
3119 for(int i=0; i<fc.numArgs(); i++) {
3120 Descriptor var=md.getParameter(i);
3121 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
3122 if (objectparams.isParamPtr(paramtemp)) {
3123 TempDescriptor targ=fc.getArg(i);
3125 TypeDescriptor td=md.getParamType(i);
3127 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
3129 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
3132 output.println("};");
3137 if (fc.getReturnTemp()!=null)
3138 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
3140 /* Do we need to do virtual dispatch? */
3141 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
3144 LocalityBinding fclb=locality.getBinding(lb, fc);
3145 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
3147 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
3152 if (state.MGC && md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
3153 output.print("int ");
3154 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
3155 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
3157 output.print(md.getReturnType().getSafeSymbol()+" ");
3158 output.print("(*)(");
3160 boolean printcomma=false;
3161 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3163 LocalityBinding fclb=locality.getBinding(lb, fc);
3164 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
3166 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
3170 for(int i=0; i<objectparams.numPrimitives(); i++) {
3171 TempDescriptor temp=objectparams.getPrimitive(i);
3175 if (state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3176 output.print("int ");
3177 } else if (temp.getType().isClass()||temp.getType().isArray())
3178 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
3180 output.print(temp.getType().getSafeSymbol());
3185 LocalityBinding fclb=locality.getBinding(lb, fc);
3186 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
3188 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
3192 boolean needcomma=false;
3193 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3194 output.print("&__parameterlist__");
3198 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
3199 if (fc.getThis()!=null) {
3200 TypeDescriptor ptd=null;
3201 if(md.getThis() != null) {
3202 ptd = md.getThis().getType();
3204 ptd = fc.getThis().getType();
3208 if(state.MGC && ptd.isClass() && ptd.getClassDesc().isEnum()) {
3210 } else if (ptd.isClass()&&!ptd.isArray())
3211 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
3212 output.print(generateTemp(fm,fc.getThis(),lb));
3217 for(int i=0; i<fc.numArgs(); i++) {
3218 Descriptor var=md.getParameter(i);
3219 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
3220 if (objectparams.isParamPrim(paramtemp)) {
3221 TempDescriptor targ=fc.getArg(i);
3225 TypeDescriptor ptd=md.getParamType(i);
3226 if (state.MGC && ptd.isClass() && ptd.getClassDesc().isEnum()) {
3228 } else if (ptd.isClass()&&!ptd.isArray())
3229 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
3230 output.print(generateTemp(fm, targ,lb));
3234 output.println(");");
3235 output.println(" }");
3238 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
3239 Set subclasses=typeutil.getSubClasses(thiscd);
3240 if (subclasses==null)
3242 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
3243 ClassDescriptor cd=(ClassDescriptor)classit.next();
3244 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
3245 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
3246 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
3247 if (md.matches(matchmd))
3254 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
3255 if (state.SINGLETM) {
3256 //single machine transactional memory case
3257 String field=ffn.getField().getSafeSymbol();
3258 String src=generateTemp(fm, ffn.getSrc(),lb);
3259 String dst=generateTemp(fm, ffn.getDst(),lb);
3261 output.println(dst+"="+ src +"->"+field+ ";");
3262 if (ffn.getField().getType().isPtr()&&locality.getAtomic(lb).get(ffn).intValue()>0&&
3263 locality.getNodePreTempInfo(lb, ffn).get(ffn.getSrc())!=LocalityAnalysis.SCRATCH) {
3264 if ((dc==null)||(!state.READSET&&dc.getNeedTrans(lb, ffn))||
3265 (state.READSET&&dc.getNeedWriteTrans(lb, ffn))) {
3266 output.println("TRANSREAD("+dst+", "+dst+", (void *) (" + localsprefixaddr + "));");
3267 } else if (state.READSET&&dc.getNeedTrans(lb, ffn)) {
3268 if (state.HYBRID&&delaycomp.getConv(lb).contains(ffn)) {
3269 output.println("TRANSREADRDFISSION("+dst+", "+dst+");");
3271 output.println("TRANSREADRD("+dst+", "+dst+");");
3274 } else if (state.DSM) {
3275 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
3276 if (status==LocalityAnalysis.GLOBAL) {
3277 String field=ffn.getField().getSafeSymbol();
3278 String src=generateTemp(fm, ffn.getSrc(),lb);
3279 String dst=generateTemp(fm, ffn.getDst(),lb);
3281 if (ffn.getField().getType().isPtr()) {
3283 //TODO: Uncomment this when we have runtime support
3284 //if (ffn.getSrc()==ffn.getDst()) {
3285 //output.println("{");
3286 //output.println("void * temp="+src+";");
3287 //output.println("if (temp&0x1) {");
3288 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
3289 //output.println(src+"->"+field+"="+temp+";");
3290 //output.println("}");
3291 //output.println(dst+"=temp;");
3292 //output.println("}");
3294 output.println(dst+"="+ src +"->"+field+ ";");
3295 //output.println("if ("+dst+"&0x1) {");
3296 //DEBUG: output.println("TRANSREAD("+dst+", (unsigned int) "+dst+",\""+fm+":"+ffn+"\");");
3297 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
3298 //output.println(src+"->"+field+"="+src+"->"+field+";");
3299 //output.println("}");
3302 output.println(dst+"="+ src+"->"+field+";");
3304 } else if (status==LocalityAnalysis.LOCAL) {
3305 if (ffn.getField().getType().isPtr()&&
3306 ffn.getField().isGlobal()) {
3307 String field=ffn.getField().getSafeSymbol();
3308 String src=generateTemp(fm, ffn.getSrc(),lb);
3309 String dst=generateTemp(fm, ffn.getDst(),lb);
3310 output.println(dst+"="+ src +"->"+field+ ";");
3311 if (locality.getAtomic(lb).get(ffn).intValue()>0)
3312 //DEBUG: output.println("TRANSREAD("+dst+", (unsigned int) "+dst+",\""+fm+":"+ffn+"\");");
3313 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
3315 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
3316 } else if (status==LocalityAnalysis.EITHER) {
3317 //Code is reading from a null pointer
3318 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
3319 output.println("#ifndef RAW");
3320 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
3321 output.println("#endif");
3322 //This should throw a suitable null pointer error
3323 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
3325 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
3327 // DEBUG if(!ffn.getDst().getType().isPrimitive()){
3328 // DEBUG output.println("within((void*)"+generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+");");
3331 // TODO add version for normal Java later
3332 if(ffn.getField().isStatic()) {
3334 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
3335 // is a static block or is invoked in some static block
3336 ClassDescriptor cd = fm.getMethod().getClassDesc();
3337 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
3339 // the same class, do nothing
3340 // TODO may want to invoke static field initialization here
3342 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
3343 // need to check if the class' static fields have been initialized and/or
3344 // its static blocks have been executed
3345 output.println("#ifdef MGC_STATIC_INIT_CHECK");
3346 output.println("if(global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
3347 if(cn.getNumStaticBlocks() != 0) {
3348 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
3349 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
3351 output.println(" global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
3353 output.println("}");
3354 output.println("#endif // MGC_STATIC_INIT_CHECK");
3358 // redirect to the global_defs_p structure
3359 if((ffn.getField().isStatic()) || (ffn.getSrc().getType().isClassNameRef())) {
3360 // reference to the static field with Class name
3361 output.println(generateTemp(fm, ffn.getDst(),lb)+"=global_defs_p->"+
3362 ffn.getField().getClassDescriptor().getSafeSymbol()+ffn.getField().getSafeSymbol()+";");
3364 output.println(generateTemp(fm, ffn.getDst(),lb)+"=*"+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
3366 } else if (ffn.getField().isEnum()) {
3367 // an Enum value, directly replace the field access as int
3368 output.println(generateTemp(fm, ffn.getDst(), lb) + "=" + ffn.getField().enumValue() + ";");
3370 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
3373 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
3379 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
3380 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
3381 throw new Error("Can't set array length");
3382 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
3383 //Single Machine Transaction Case
3384 boolean srcptr=fsfn.getSrc().getType().isPtr();
3385 String src=generateTemp(fm,fsfn.getSrc(),lb);
3386 String dst=generateTemp(fm,fsfn.getDst(),lb);
3387 output.println("//"+srcptr+" "+fsfn.getSrc().getType().isNull());
3388 if (srcptr&&!fsfn.getSrc().getType().isNull()) {
3389 output.println("{");
3390 if ((dc==null)||dc.getNeedSrcTrans(lb, fsfn)&&
3391 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getSrc())!=LocalityAnalysis.SCRATCH) {
3392 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
3394 output.println("INTPTR srcoid=(INTPTR)"+src+";");
3397 if (wb.needBarrier(fsfn)&&
3398 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getDst())!=LocalityAnalysis.SCRATCH) {
3399 if (state.EVENTMONITOR) {
3400 output.println("if ("+dst+"->___objstatus___&DIRTY) EVLOGEVENTOBJ(EV_WRITE,"+dst+"->objuid)");
3402 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
3404 if (srcptr&!fsfn.getSrc().getType().isNull()) {
3405 output.println("*((unsigned INTPTR *)&("+dst+"->"+
3406 fsfn.getField().getSafeSymbol()+"))=srcoid;");
3407 output.println("}");
3409 output.println(dst+"->"+
3410 fsfn.getField().getSafeSymbol()+"="+ src+";");
3412 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
3413 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
3414 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
3415 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
3417 String src=generateTemp(fm,fsfn.getSrc(),lb);
3418 String dst=generateTemp(fm,fsfn.getDst(),lb);
3420 output.println("{");
3421 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
3423 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
3426 if (wb.needBarrier(fsfn))
3427 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
3429 output.println("*((unsigned INTPTR *)&("+glbdst+"->"+
3430 fsfn.getField().getSafeSymbol()+"))=srcoid;");
3432 output.println(glbdst+"->"+
3433 fsfn.getField().getSafeSymbol()+"="+ src+";");
3434 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
3435 /** Check if we need to copy */
3436 output.println("if(!"+dst+"->"+localcopystr+") {");
3437 /* Link object into list */
3438 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3439 output.println(revertptr+"=revertlist;");
3440 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
3441 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3443 output.println("COPY_OBJ("+dst+");");
3444 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
3445 output.println("revertlist=(struct ___Object___ *)"+dst+";");
3446 output.println("}");
3448 output.println(dst+"->"+
3449 fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
3451 output.println(dst+"->"+
3452 fsfn.getField().getSafeSymbol()+"="+ src+";");
3453 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
3454 //writing to a null...bad
3455 output.println("if ("+dst+") {");
3456 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
3458 output.println(dst+"->"+
3459 fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
3461 output.println(dst+"->"+
3462 fsfn.getField().getSafeSymbol()+"="+ src+";");
3465 output.println("}");
3468 if (state.FASTCHECK) {
3469 String dst=generateTemp(fm, fsfn.getDst(),lb);
3470 output.println("if(!"+dst+"->"+localcopystr+") {");
3471 /* Link object into list */
3472 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
3473 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3475 output.println("COPY_OBJ("+dst+");");
3476 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3477 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3478 output.println("}");
3481 // DEBUG if(!fsfn.getField().getType().isPrimitive()){
3482 // DEBUG output.println("within((void*)"+generateTemp(fm,fsfn.getSrc(),lb)+");");
3485 // TODO add version for normal Java later
3486 if(fsfn.getField().isStatic()) {
3488 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
3489 // is a static block or is invoked in some static block
3490 ClassDescriptor cd = fm.getMethod().getClassDesc();
3491 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
3493 // the same class, do nothing
3494 // TODO may want to invoke static field initialization here
3496 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
3497 // need to check if the class' static fields have been initialized and/or
3498 // its static blocks have been executed
3499 output.println("#ifdef MGC_STATIC_INIT_CHECK");
3500 output.println("if(global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
3501 if(cn.getNumStaticFields() != 0) {
3502 // TODO add static field initialization here
3504 if(cn.getNumStaticBlocks() != 0) {
3505 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
3506 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
3508 output.println(" global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
3510 output.println("}");
3511 output.println("#endif // MGC_STATIC_INIT_CHECK");
3515 // redirect to the global_defs_p structure
3516 if(fsfn.getDst().getType().isClassNameRef()) {
3517 // reference to the static field with Class name
3518 output.println("global_defs_p->" +
3519 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
3521 output.println("*"+generateTemp(fm, fsfn.getDst(),lb)+"->"+
3522 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
3525 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+
3526 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
3529 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+
3530 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
3535 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
3536 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
3539 if (state.MGC && elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
3541 } else if (elementtype.isArray()||elementtype.isClass())
3544 type=elementtype.getSafeSymbol()+" ";
3546 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
3547 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex(),lb)+") >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___))");
3548 output.println("failedboundschk();");
3550 if (state.SINGLETM) {
3551 //Single machine transaction case
3552 String dst=generateTemp(fm, fen.getDst(),lb);
3553 if ((!state.STMARRAY)||(!wb.needBarrier(fen))||locality.getNodePreTempInfo(lb, fen).get(fen.getSrc())==LocalityAnalysis.SCRATCH||locality.getAtomic(lb).get(fen).intValue()==0||(state.READSET&&!dc.getNeedGet(lb, fen))) {
3554 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3556 output.println("STMGETARRAY("+dst+", "+ generateTemp(fm,fen.getSrc(),lb)+", "+generateTemp(fm, fen.getIndex(),lb)+", "+type+");");
3559 if (elementtype.isPtr()&&locality.getAtomic(lb).get(fen).intValue()>0&&
3560 locality.getNodePreTempInfo(lb, fen).get(fen.getSrc())!=LocalityAnalysis.SCRATCH) {
3561 if ((dc==null)||!state.READSET&&dc.getNeedTrans(lb, fen)||state.READSET&&dc.getNeedWriteTrans(lb, fen)) {
3562 output.println("TRANSREAD("+dst+", "+dst+", (void *)(" + localsprefixaddr+"));");
3563 } else if (state.READSET&&dc.getNeedTrans(lb, fen)) {
3564 if (state.HYBRID&&delaycomp.getConv(lb).contains(fen)) {
3565 output.println("TRANSREADRDFISSION("+dst+", "+dst+");");
3567 output.println("TRANSREADRD("+dst+", "+dst+");");
3570 } else if (state.DSM) {
3571 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
3572 if (status==LocalityAnalysis.GLOBAL) {
3573 String dst=generateTemp(fm, fen.getDst(),lb);
3574 if (elementtype.isPtr()) {
3575 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3576 //DEBUG: output.println("TRANSREAD("+dst+", "+dst+",\""+fm+":"+fen+"\");");
3577 output.println("TRANSREAD("+dst+", "+dst+");");
3579 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3581 } else if (status==LocalityAnalysis.LOCAL) {
3582 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3583 } else if (status==LocalityAnalysis.EITHER) {
3584 //Code is reading from a null pointer
3585 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
3586 output.println("#ifndef RAW");
3587 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
3588 output.println("#endif");
3589 //This should throw a suitable null pointer error
3590 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3592 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
3594 // DEBUG output.println("within((void*)"+generateTemp(fm,fen.getSrc(),lb)+");");
3595 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3599 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
3600 //TODO: need dynamic check to make sure this assignment is actually legal
3601 //Because Object[] could actually be something more specific...ie. Integer[]
3603 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
3606 if (state.MGC && elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
3608 } else if (elementtype.isArray()||elementtype.isClass() || (state.MGC && elementtype.isNull()))
3611 type=elementtype.getSafeSymbol()+" ";
3613 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
3614 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex(),lb)+") >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___))");
3615 output.println("failedboundschk();");
3618 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
3619 //Transaction set element case
3620 if (wb.needBarrier(fsen)&&
3621 locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH) {
3622 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
3624 if (fsen.getSrc().getType().isPtr()&&!fsen.getSrc().getType().isNull()) {
3625 output.println("{");
3626 String src=generateTemp(fm, fsen.getSrc(), lb);
3627 if ((dc==null)||dc.getNeedSrcTrans(lb, fsen)&&
3628 locality.getNodePreTempInfo(lb, fsen).get(fsen.getSrc())!=LocalityAnalysis.SCRATCH) {
3629 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
3631 output.println("INTPTR srcoid=(INTPTR)"+src+";");
3633 if (state.STMARRAY&&locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH&&wb.needBarrier(fsen)&&locality.getAtomic(lb).get(fsen).intValue()>0) {
3634 output.println("STMSETARRAY("+generateTemp(fm, fsen.getDst(),lb)+", "+generateTemp(fm, fsen.getIndex(),lb)+", srcoid, INTPTR);");
3636 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
3638 output.println("}");
3640 if (state.STMARRAY&&locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH&&wb.needBarrier(fsen)&&locality.getAtomic(lb).get(fsen).intValue()>0) {
3641 output.println("STMSETARRAY("+generateTemp(fm, fsen.getDst(),lb)+", "+generateTemp(fm, fsen.getIndex(),lb)+", "+ generateTemp(fm, fsen.getSrc(), lb) +", "+type+");");
3643 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
3646 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
3647 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
3648 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
3649 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
3650 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
3651 boolean dstlocal=(statusdst==LocalityAnalysis.LOCAL)||(statusdst==LocalityAnalysis.EITHER);
3654 if (wb.needBarrier(fsen))
3655 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
3656 } else if (dstlocal) {
3657 /** Check if we need to copy */
3658 String dst=generateTemp(fm, fsen.getDst(),lb);
3659 output.println("if(!"+dst+"->"+localcopystr+") {");
3660 /* Link object into list */
3661 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3662 output.println(revertptr+"=revertlist;");
3663 if ((GENERATEPRECISEGC) || this.state.MULTICOREGC)
3664 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3666 output.println("COPY_OBJ("+dst+");");
3667 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
3668 output.println("revertlist=(struct ___Object___ *)"+dst+";");
3669 output.println("}");
3671 System.out.println("Node: "+fsen);
3672 System.out.println(lb);
3673 System.out.println("statusdst="+statusdst);
3674 System.out.println(fm.printMethod());
3675 throw new Error("Unknown array type");
3678 output.println("{");
3679 String src=generateTemp(fm, fsen.getSrc(), lb);
3680 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
3681 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
3682 output.println("}");
3684 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
3687 if (state.FASTCHECK) {
3688 String dst=generateTemp(fm, fsen.getDst(),lb);
3689 output.println("if(!"+dst+"->"+localcopystr+") {");
3690 /* Link object into list */
3691 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
3692 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3694 output.println("COPY_OBJ("+dst+");");
3695 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3696 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3697 output.println("}");
3699 // DEBUG output.println("within((void*)"+generateTemp(fm,fsen.getDst(),lb)+");");
3700 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
3705 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
3706 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
3707 //Stash pointer in case of GC
3708 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3709 output.println(revertptr+"=revertlist;");
3711 if (state.SINGLETM) {
3712 if (fn.getType().isArray()) {
3713 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
3714 if (locality.getAtomic(lb).get(fn).intValue()>0) {
3715 //inside transaction
3716 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3718 //outside transaction
3719 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3722 if (locality.getAtomic(lb).get(fn).intValue()>0) {
3723 //inside transaction
3724 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
3726 //outside transaction
3727 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
3730 } else if (fn.getType().isArray()) {
3731 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
3732 if (fn.isGlobal()&&(state.DSM||state.SINGLETM)) {
3733 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3734 } else if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3735 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3737 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3740 if (fn.isGlobal()&&(state.DSM||state.SINGLETM)) {
3741 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
3742 } else if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3743 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
3745 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
3748 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
3749 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3750 String dst=generateTemp(fm,fn.getDst(),lb);
3751 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
3752 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
3753 output.println("revertlist=(struct ___Object___ *)"+dst+";");
3755 if (state.FASTCHECK) {
3756 String dst=generateTemp(fm,fn.getDst(),lb);
3757 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
3758 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3759 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3763 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
3764 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3765 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
3767 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
3771 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
3772 if (fon.getRight()!=null) {
3773 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
3774 if (fon.getLeft().getType().isLong())
3775 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
3777 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
3779 } else if (dc!=null) {
3780 output.print(generateTemp(fm, fon.getDest(),lb)+" = (");
3781 if (fon.getLeft().getType().isPtr()&&(fon.getOp().getOp()==Operation.EQUAL||fon.getOp().getOp()==Operation.NOTEQUAL))
3782 output.print("(void *)");
3783 if (dc.getNeedLeftSrcTrans(lb, fon))
3784 output.print("("+generateTemp(fm, fon.getLeft(),lb)+"!=NULL?"+generateTemp(fm, fon.getLeft(),lb)+"->"+oidstr+":NULL)");
3786 output.print(generateTemp(fm, fon.getLeft(),lb));
3787 output.print(")"+fon.getOp().toString()+"(");
3788 if (fon.getRight().getType().isPtr()&&(fon.getOp().getOp()==Operation.EQUAL||fon.getOp().getOp()==Operation.NOTEQUAL))
3789 output.print("(void *)");
3790 if (dc.getNeedRightSrcTrans(lb, fon))
3791 output.println("("+generateTemp(fm, fon.getRight(),lb)+"!=NULL?"+generateTemp(fm, fon.getRight(),lb)+"->"+oidstr+":NULL));");
3793 output.println(generateTemp(fm,fon.getRight(),lb)+");");
3795 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
3796 } else if (fon.getOp().getOp()==Operation.ASSIGN)
3797 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
3798 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
3799 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
3800 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
3801 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
3802 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
3803 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
3804 else if (fon.getOp().getOp()==Operation.COMP)
3805 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
3806 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
3807 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
3809 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
3812 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
3813 /* TODO: Do type check here */
3814 if (fcn.getType().isArray()) {
3815 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
3816 } else if (state.MGC && fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
3817 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(int)"+generateTemp(fm,fcn.getSrc(),lb)+";");
3818 } else if (fcn.getType().isClass())
3819 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
3821 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
3824 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
3825 if (fln.getValue()==null)
3826 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
3827 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
3828 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3829 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
3830 //Stash pointer in case of GC
3831 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3832 output.println(revertptr+"=revertlist;");
3834 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString("+localsprefixaddr+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
3835 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
3836 //Stash pointer in case of GC
3837 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3838 output.println("revertlist="+revertptr+";");
3841 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
3843 } else if (fln.getType().isBoolean()) {
3844 if (((Boolean)fln.getValue()).booleanValue())
3845 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
3847 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
3848 } else if (fln.getType().isChar()) {
3849 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
3850 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
3851 } else if (fln.getType().isLong()) {
3852 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
3854 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
3857 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
3859 // TODO add version for normal Java later
3860 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
3861 // a static block, check if it has been executed
3862 output.println(" global_defs_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
3866 if (frn.getReturnTemp()!=null) {
3867 if (frn.getReturnTemp().getType().isPtr())
3868 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
3870 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
3872 output.println("return;");
3876 protected void generateStoreFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
3879 //only record if this group has more than one exit
3880 if (branchanalysis.numJumps(fcb)>1) {
3881 left=branchanalysis.jumpValue(fcb, 0);
3882 right=branchanalysis.jumpValue(fcb, 1);
3884 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") {");
3886 output.println("STOREBRANCH("+right+");");
3887 output.println("goto "+label+";");
3888 output.println("}");
3890 output.println("STOREBRANCH("+left+");");
3893 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
3894 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
3897 /** This method generates header information for the method or
3898 * task referenced by the Descriptor des. */
3899 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
3900 generateHeader(fm, lb, des, output, false);
3903 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output, boolean addSESErecord) {
3905 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
3906 MethodDescriptor md=null;
3907 TaskDescriptor task=null;
3908 if (des instanceof MethodDescriptor)
3909 md=(MethodDescriptor) des;
3911 task=(TaskDescriptor) des;
3913 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
3915 if (md!=null&&md.getReturnType()!=null) {
3916 if (state.MGC && md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
3917 output.print("int ");
3918 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
3919 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
3921 output.print(md.getReturnType().getSafeSymbol()+" ");
3923 //catch the constructor case
3924 output.print("void ");
3926 if (state.DSM||state.SINGLETM) {
3927 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
3929 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
3931 output.print(task.getSafeSymbol()+"(");
3933 boolean printcomma=false;
3934 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3936 if (state.DSM||state.SINGLETM) {
3937 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
3939 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
3941 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
3947 for(int i=0; i<objectparams.numPrimitives(); i++) {
3948 TempDescriptor temp=objectparams.getPrimitive(i);
3952 if(state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3953 output.print("int " + temp.getSafeSymbol());
3954 } else if (temp.getType().isClass()||temp.getType().isArray())
3955 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
3957 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
3959 output.println(") {");
3960 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
3961 /* Imprecise Task */
3962 output.println("void * parameterarray[]) {");
3963 /* Unpack variables */
3964 for(int i=0; i<objectparams.numPrimitives(); i++) {
3965 TempDescriptor temp=objectparams.getPrimitive(i);
3966 if(state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3967 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
3969 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
3972 for(int i=0; i<fm.numTags(); i++) {
3973 TempDescriptor temp=fm.getTag(i);
3974 int offset=i+objectparams.numPrimitives();
3975 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
3978 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3979 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3980 } else output.println(") {");
3983 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
3984 output.println("/* FlatFlagActionNode */");
3987 /* Process tag changes */
3988 Relation tagsettable=new Relation();
3989 Relation tagcleartable=new Relation();
3991 Iterator tagsit=ffan.getTempTagPairs();
3992 while (tagsit.hasNext()) {
3993 TempTagPair ttp=(TempTagPair) tagsit.next();
3994 TempDescriptor objtmp=ttp.getTemp();
3995 TagDescriptor tag=ttp.getTag();
3996 TempDescriptor tagtmp=ttp.getTagTemp();
3997 boolean tagstatus=ffan.getTagChange(ttp);
3999 tagsettable.put(objtmp, tagtmp);
4001 tagcleartable.put(objtmp, tagtmp);
4006 Hashtable flagandtable=new Hashtable();
4007 Hashtable flagortable=new Hashtable();
4009 /* Process flag changes */
4010 Iterator flagsit=ffan.getTempFlagPairs();
4011 while(flagsit.hasNext()) {
4012 TempFlagPair tfp=(TempFlagPair)flagsit.next();
4013 TempDescriptor temp=tfp.getTemp();
4014 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
4015 FlagDescriptor flag=tfp.getFlag();
4017 //Newly allocate objects that don't set any flags case
4018 if (flagortable.containsKey(temp)) {
4022 flagortable.put(temp,new Integer(mask));
4024 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
4025 boolean flagstatus=ffan.getFlagChange(tfp);
4028 if (flagortable.containsKey(temp)) {
4029 mask=((Integer)flagortable.get(temp)).intValue();
4032 flagortable.put(temp,new Integer(mask));
4034 int mask=0xFFFFFFFF;
4035 if (flagandtable.containsKey(temp)) {
4036 mask=((Integer)flagandtable.get(temp)).intValue();
4038 mask&=(0xFFFFFFFF^flagid);
4039 flagandtable.put(temp,new Integer(mask));
4045 HashSet flagtagset=new HashSet();
4046 flagtagset.addAll(flagortable.keySet());
4047 flagtagset.addAll(flagandtable.keySet());
4048 flagtagset.addAll(tagsettable.keySet());
4049 flagtagset.addAll(tagcleartable.keySet());
4051 Iterator ftit=flagtagset.iterator();
4052 while(ftit.hasNext()) {
4053 TempDescriptor temp=(TempDescriptor)ftit.next();
4056 Set tagtmps=tagcleartable.get(temp);
4057 if (tagtmps!=null) {
4058 Iterator tagit=tagtmps.iterator();
4059 while(tagit.hasNext()) {
4060 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
4061 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
4062 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
4064 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
4068 tagtmps=tagsettable.get(temp);
4069 if (tagtmps!=null) {
4070 Iterator tagit=tagtmps.iterator();
4071 while(tagit.hasNext()) {
4072 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
4073 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
4074 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
4076 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
4081 int andmask=0xFFFFFFF;
4083 if (flagortable.containsKey(temp))
4084 ormask=((Integer)flagortable.get(temp)).intValue();
4085 if (flagandtable.containsKey(temp))
4086 andmask=((Integer)flagandtable.get(temp)).intValue();
4087 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
4088 generateObjectDistribute(ffan, fm, lb, temp, output);
4092 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
4093 PrintWriter output, int ormask, int andmask) {
4094 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
4095 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
4097 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
4101 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
4102 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
4105 void generateOptionalHeader(PrintWriter headers) {
4108 headers.println("#include \"task.h\"\n\n");
4109 headers.println("#ifndef _OPTIONAL_STRUCT_");
4110 headers.println("#define _OPTIONAL_STRUCT_");
4112 //STRUCT PREDICATEMEMBER
4113 headers.println("struct predicatemember{");
4114 headers.println("int type;");
4115 headers.println("int numdnfterms;");
4116 headers.println("int * flags;");
4117 headers.println("int numtags;");
4118 headers.println("int * tags;\n};\n\n");
4120 //STRUCT OPTIONALTASKDESCRIPTOR
4121 headers.println("struct optionaltaskdescriptor{");
4122 headers.println("struct taskdescriptor * task;");
4123 headers.println("int index;");
4124 headers.println("int numenterflags;");
4125 headers.println("int * enterflags;");
4126 headers.println("int numpredicatemembers;");
4127 headers.println("struct predicatemember ** predicatememberarray;");
4128 headers.println("};\n\n");
4130 //STRUCT TASKFAILURE
4131 headers.println("struct taskfailure {");
4132 headers.println("struct taskdescriptor * task;");
4133 headers.println("int index;");
4134 headers.println("int numoptionaltaskdescriptors;");
4135 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
4137 //STRUCT FSANALYSISWRAPPER
4138 headers.println("struct fsanalysiswrapper{");
4139 headers.println("int flags;");
4140 headers.println("int numtags;");
4141 headers.println("int * tags;");
4142 headers.println("int numtaskfailures;");
4143 headers.println("struct taskfailure ** taskfailurearray;");
4144 headers.println("int numoptionaltaskdescriptors;");
4145 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
4147 //STRUCT CLASSANALYSISWRAPPER
4148 headers.println("struct classanalysiswrapper{");
4149 headers.println("int type;");
4150 headers.println("int numotd;");
4151 headers.println("struct optionaltaskdescriptor ** otdarray;");
4152 headers.println("int numfsanalysiswrappers;");
4153 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
4155 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
4157 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
4158 while(taskit.hasNext()) {
4159 TaskDescriptor td=(TaskDescriptor)taskit.next();
4160 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
4165 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
4166 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
4167 int predicateindex = 0;
4168 //iterate through the classes concerned by the predicate
4169 Set c_vard = predicate.vardescriptors;
4170 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
4173 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
4174 VarDescriptor vard = (VarDescriptor)vard_it.next();
4175 TypeDescriptor typed = vard.getType();
4177 //generate for flags
4178 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
4179 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
4181 if (fen_hashset!=null) {
4182 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
4183 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
4185 DNFFlag dflag=fen.getDNF();
4186 numberterms+=dflag.size();
4188 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
4190 for(int j=0; j<dflag.size(); j++) {
4192 output.println(",");
4193 Vector term=dflag.get(j);
4196 for(int k=0; k<term.size(); k++) {
4197 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
4198 FlagDescriptor fd=dfa.getFlag();
4199 boolean negated=dfa.getNegated();
4200 int flagid=1<<((Integer)flags.get(fd)).intValue();
4205 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
4210 output.println("};\n");
4213 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
4214 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
4217 for(int j=0; j<tagel.numTags(); j++) {
4219 output.println(",");
4220 TempDescriptor tmp=tagel.getTemp(j);
4221 if (!slotnumber.containsKey(tmp)) {
4222 Integer slotint=new Integer(current_slot++);
4223 slotnumber.put(tmp,slotint);
4225 int slot=slotnumber.get(tmp).intValue();
4226 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
4228 numtags = tagel.numTags();
4230 output.println("};");
4232 //store the result into a predicatemember struct
4233 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
4234 output.println("/*type*/"+typed.getClassDesc().getId()+",");
4235 output.println("/* number of dnf terms */"+numberterms+",");
4236 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4237 output.println("/* number of tag */"+numtags+",");
4238 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4239 output.println("};\n");
4244 //generate an array that stores the entire predicate
4245 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
4246 for( int j = 0; j<predicateindex; j++) {
4247 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4248 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
4250 output.println("};\n");
4251 return predicateindex;
4255 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
4256 generateOptionalHeader(headers);
4258 output.println("#include \"optionalstruct.h\"\n\n");
4259 output.println("#include \"stdlib.h\"\n");
4261 HashSet processedcd = new HashSet();
4263 Enumeration e = safeexecution.keys();
4264 while (e.hasMoreElements()) {
4267 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
4268 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
4270 //Generate the struct of optionals
4271 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
4272 numotd = c_otd.size();
4273 if(maxotd<numotd) maxotd = numotd;
4274 if( !c_otd.isEmpty() ) {
4275 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
4276 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
4278 //generate the int arrays for the predicate
4279 Predicate predicate = otd.predicate;
4280 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
4281 TreeSet<Integer> fsset=new TreeSet<Integer>();
4282 //iterate through possible FSes corresponding to
4283 //the state when entering
4285 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
4286 FlagState fs = (FlagState)fses.next();
4288 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
4289 FlagDescriptor flagd = (FlagDescriptor)flags.next();
4290 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
4293 fsset.add(new Integer(flagid));
4294 //tag information not needed because tag
4295 //changes are not tolerated.
4298 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
4299 boolean needcomma=false;
4300 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
4303 output.println(it.next());
4306 output.println("};\n");
4309 //generate optionaltaskdescriptor that actually
4310 //includes exit fses, predicate and the task
4312 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
4313 output.println("&task_"+otd.td.getSafeSymbol()+",");
4314 output.println("/*index*/"+otd.getIndex()+",");
4315 output.println("/*number of enter flags*/"+fsset.size()+",");
4316 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4317 output.println("/*number of members */"+predicateindex+",");
4318 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4319 output.println("};\n");
4323 // if there are no optionals, there is no need to build the rest of the struct
4325 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
4326 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
4327 if( !c_otd.isEmpty() ) {
4328 boolean needcomma=false;
4329 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
4330 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
4332 output.println(",");
4334 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
4337 output.println("};\n");
4339 //get all the possible flagstates reachable by an object
4340 Hashtable hashtbtemp = safeexecution.get(cdtemp);
4342 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
4343 fsts.addAll(hashtbtemp.keySet());
4344 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
4345 FlagState fs = (FlagState)fsit.next();
4348 //get the set of OptionalTaskDescriptors corresponding
4349 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
4350 //iterate through the OptionalTaskDescriptors and
4351 //store the pointers to the optionals struct (see on
4352 //top) into an array
4354 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
4355 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
4356 OptionalTaskDescriptor mm = mos.next();
4358 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
4360 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4363 output.println("};\n");
4365 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
4368 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
4369 FlagDescriptor flagd = (FlagDescriptor)flags.next();
4370 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
4374 //process tag information
4377 boolean first = true;
4378 Enumeration tag_enum = fs.getTags();
4379 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
4380 while(tag_enum.hasMoreElements()) {
4382 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
4386 output.println(", ");
4387 output.println("/*tagid*/"+state.getTagId(tagd));
4389 output.println("};");
4391 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
4392 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
4393 TaskIndex ti=itti.next();
4397 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
4399 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
4400 boolean needcomma=false;
4401 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
4402 OptionalTaskDescriptor otd=otdit.next();
4406 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
4408 output.println("};");
4410 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
4411 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
4412 output.print(ti.getIndex()+", ");
4413 output.print(otdset.size()+", ");
4414 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
4415 output.println("};");
4418 tiset=sa.getTaskIndex(fs);
4419 boolean needcomma=false;
4421 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
4422 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
4423 TaskIndex ti=itti.next();
4424 if (ti.isRuntime()) {
4431 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
4433 output.println("};\n");
4435 //Store the result in fsanalysiswrapper
4437 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
4438 output.println("/*flag*/"+flagid+",");
4439 output.println("/* number of tags*/"+tagcounter+",");
4440 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
4441 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
4442 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
4443 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
4444 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
4445 output.println("};\n");
4449 //Build the array of fsanalysiswrappers
4450 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
4451 boolean needcomma=false;
4452 for(int i = 0; i<fscounter; i++) {
4453 if (needcomma) output.print(",");
4454 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
4457 output.println("};");
4459 //Build the classanalysiswrapper referring to the previous array
4460 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
4461 output.println("/*type*/"+cdtemp.getId()+",");
4462 output.println("/*numotd*/"+numotd+",");
4463 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
4464 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
4465 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
4466 processedcd.add(cdtemp);
4469 //build an array containing every classes for which code has been build
4470 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
4471 for(int i=0; i<state.numClasses(); i++) {
4472 ClassDescriptor cn=cdarray[i];
4475 if ((cn != null) && (processedcd.contains(cn)))
4476 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
4478 output.print("NULL");
4480 output.println("};");
4482 output.println("#define MAXOTD "+maxotd);
4483 headers.println("#endif");
4486 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
4487 Relation r=new Relation();
4488 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
4489 OptionalTaskDescriptor otd=otdit.next();
4490 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
4494 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
4495 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
4496 Set s=r.get(it.next());
4497 for(Iterator it2=s.iterator(); it2.hasNext();) {
4498 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
4506 protected void outputTransCode(PrintWriter output) {
4511 // override these methods in a subclass of BuildCode
4512 // to generate code for additional systems
4513 protected void additionalIncludesMethodsHeader( PrintWriter outmethodheader ) {}
4514 protected void preCodeGenInitialization() {}
4515 protected void postCodeGenCleanUp() {}
4516 protected void additionalCodeGen( PrintWriter outmethodheader,
4517 PrintWriter outstructs,
4518 PrintWriter outmethod ) {}
4519 protected void additionalCodeAtTopOfMain( PrintWriter outmethod ) {}
4520 protected void additionalCodeAtBottomOfMain( PrintWriter outmethod ) {}
4521 protected void additionalIncludesMethodsImplementation( PrintWriter outmethod ) {}
4522 protected void additionalIncludesStructsHeader( PrintWriter outstructs ) {}
4523 protected void additionalClassObjectFields( PrintWriter outclassdefs ) {}
4524 protected void additionalCodeAtTopMethodsImplementation( PrintWriter outmethod ) {}
4525 protected void additionalCodeAtTopFlatMethodBody( PrintWriter output, FlatMethod fm ) {}
4526 protected void additionalCodePreNode( FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output ) {}
4527 protected void additionalCodePostNode( FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output ) {}