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;
71 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
72 this(st, temptovar, typeutil, null, sa, pa);
75 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
76 this(st, temptovar, typeutil, locality, null, pa);
79 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa ) {
83 callgraph=new CallGraph(state);
85 oidstr="___objlocation___";
86 this.temptovar=temptovar;
87 paramstable=new Hashtable();
88 tempstable=new Hashtable();
89 fieldorder=new Hashtable();
90 flagorder=new Hashtable();
91 this.typeutil=typeutil;
92 virtualcalls=new Virtual(state,locality);
94 this.locality=locality;
95 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
96 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
97 this.wb=new WriteBarrier(locality, st);
99 if (state.SINGLETM&&state.DCOPTS) {
100 TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
101 GlobalFieldType gft=new GlobalFieldType(callgraph, st, typeutil.getMain());
102 this.dc=new DiscoverConflicts(locality, st, typeanalysis, gft);
105 if (state.DELAYCOMP) {
106 //TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
107 TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
108 GlobalFieldType gft=new GlobalFieldType(callgraph, st, typeutil.getMain());
109 delaycomp=new DCWrapper(locality, st, typeanalysis, gft);
110 dc=delaycomp.getConflicts();
111 recorddc=new DiscoverConflicts(locality, st, typeanalysis, delaycomp.getCannotDelayMap(), true, true, null);
112 recorddc.doAnalysis();
116 /** The buildCode method outputs C code for all the methods. The Flat
117 * versions of the methods must already be generated and stored in
118 * the State object. */
119 PrintWriter outsandbox=null;
121 public void buildCode() {
122 /* Create output streams to write to */
123 PrintWriter outclassdefs=null;
124 PrintWriter outstructs=null;
125 PrintWriter outrepairstructs=null;
126 PrintWriter outmethodheader=null;
127 PrintWriter outmethod=null;
128 PrintWriter outvirtual=null;
129 PrintWriter outtask=null;
130 PrintWriter outtaskdefs=null;
131 PrintWriter outoptionalarrays=null;
132 PrintWriter optionalheaders=null;
133 PrintWriter outglobaldefs=null;
137 outsandbox=new CodePrinter(new FileOutputStream(PREFIX+"sandboxdefs.c"), true);
139 outstructs=new CodePrinter(new FileOutputStream(PREFIX+"structdefs.h"), true);
140 outmethodheader=new CodePrinter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
141 outclassdefs=new CodePrinter(new FileOutputStream(PREFIX+"classdefs.h"), true);
143 // TODO add version for normal Java later
144 outglobaldefs=new CodePrinter(new FileOutputStream(PREFIX+"globaldefs.h"), true);
146 outmethod=new CodePrinter(new FileOutputStream(PREFIX+"methods.c"), true);
147 outvirtual=new CodePrinter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
149 outtask=new CodePrinter(new FileOutputStream(PREFIX+"task.h"), true);
150 outtaskdefs=new CodePrinter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
151 if (state.OPTIONAL) {
152 outoptionalarrays=new CodePrinter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
153 optionalheaders=new CodePrinter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
156 if (state.structfile!=null) {
157 outrepairstructs=new CodePrinter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
159 } catch (Exception e) {
164 /* Build the virtual dispatch tables */
165 buildVirtualTables(outvirtual);
167 /* Tag the methods that are invoked by static blocks */
168 tagMethodInvokedByStaticBlock();
170 /* Output includes */
171 outmethodheader.println("#ifndef METHODHEADERS_H");
172 outmethodheader.println("#define METHODHEADERS_H");
173 outmethodheader.println("#include \"structdefs.h\"");
175 outmethodheader.println("#include \"dstm.h\"");
177 outmethodheader.println("#include \"sandbox.h\"");
179 if (state.EVENTMONITOR) {
180 outmethodheader.println("#include \"monitor.h\"");
182 if (state.SINGLETM) {
183 outmethodheader.println("#include \"tm.h\"");
184 outmethodheader.println("#include \"delaycomp.h\"");
185 outmethodheader.println("#include \"inlinestm.h\"");
187 if (state.ABORTREADERS) {
188 outmethodheader.println("#include \"abortreaders.h\"");
189 outmethodheader.println("#include <setjmp.h>");
193 additionalIncludesMethodsHeader( outmethodheader );
196 /* Output Structures */
197 outputStructs(outstructs);
199 // Output the C class declarations
200 // These could mutually reference each other
203 // TODO add version for normal Java later
204 outglobaldefs.println("#ifndef __GLOBALDEF_H_");
205 outglobaldefs.println("#define __GLOBALDEF_H_");
206 outglobaldefs.println("");
207 outglobaldefs.println("struct global_defs_t {");
210 outclassdefs.println("#ifndef __CLASSDEF_H_");
211 outclassdefs.println("#define __CLASSDEF_H_");
212 outputClassDeclarations(outclassdefs, outglobaldefs);
214 // Output function prototypes and structures for parameters
215 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
216 while(it.hasNext()) {
217 ClassDescriptor cn=(ClassDescriptor)it.next();
218 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader, outglobaldefs);
220 outclassdefs.println("#endif");
221 outclassdefs.close();
223 // TODO add version for normal Java later
224 outglobaldefs.println("};");
225 outglobaldefs.println("");
226 outglobaldefs.println("extern struct global_defs_t * global_defs_p;");
227 outglobaldefs.println("#endif");
228 outglobaldefs.flush();
229 outglobaldefs.close();
233 /* Map flags to integers */
234 /* The runtime keeps track of flags using these integers */
235 it=state.getClassSymbolTable().getDescriptorsIterator();
236 while(it.hasNext()) {
237 ClassDescriptor cn=(ClassDescriptor)it.next();
241 generateTaskStructs(outstructs, outmethodheader);
243 /* Outputs generic task structures if this is a task
245 outputTaskTypes(outtask);
249 // an opportunity for subclasses to do extra
251 preCodeGenInitialization();
254 /* Build the actual methods */
255 outputMethods(outmethod);
258 // opportunity for subclasses to gen extra code
259 additionalCodeGen( outmethodheader,
265 /* Output code for tasks */
266 outputTaskCode(outtaskdefs, outmethod);
268 /* Record maximum number of task parameters */
269 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
270 } else if (state.main!=null) {
271 /* Generate main method */
272 outputMainMethod(outmethod);
275 /* Generate information for task with optional parameters */
276 if (state.TASK&&state.OPTIONAL) {
277 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
278 outoptionalarrays.close();
281 /* Output structure definitions for repair tool */
282 if (state.structfile!=null) {
283 buildRepairStructs(outrepairstructs);
284 outrepairstructs.close();
288 outmethodheader.println("#endif");
289 outmethodheader.close();
291 outstructs.println("#endif");
296 postCodeGenCleanUp();
301 /* This method goes though the call graph and tag those methods that are
302 * invoked inside static blocks
304 protected void tagMethodInvokedByStaticBlock() {
306 Iterator it_sclasses = this.state.getSClassSymbolTable().getDescriptorsIterator();
307 MethodDescriptor current_md=null;
308 HashSet tovisit=new HashSet();
309 HashSet visited=new HashSet();
311 while(it_sclasses.hasNext()) {
312 ClassDescriptor cd = (ClassDescriptor)it_sclasses.next();
313 MethodDescriptor md = (MethodDescriptor)cd.getMethodTable().get("staticblocks");
319 while(!tovisit.isEmpty()) {
320 current_md=(MethodDescriptor)tovisit.iterator().next();
321 tovisit.remove(current_md);
322 visited.add(current_md);
323 Iterator it_callee = this.callgraph.getCalleeSet(current_md).iterator();
324 while(it_callee.hasNext()) {
325 Descriptor d = (Descriptor)it_callee.next();
326 if(d instanceof MethodDescriptor) {
327 if(!visited.contains(d)) {
328 ((MethodDescriptor)d).setIsInvokedByStatic(true);
334 } // TODO for normal Java version
337 /* This code generates code for each static block and static field
339 protected void outputStaticBlocks(PrintWriter outmethod) {
340 // execute all the static blocks and all the static field initializations
344 /* This code generates code to create a Class object for each class for
347 protected void outputClassObjects(PrintWriter outmethod) {
348 // for each class, initialize its Class object
352 /* This code just generates the main C method for java programs.
353 * The main C method packs up the arguments into a string array
354 * and passes it to the java main method. */
356 protected void outputMainMethod(PrintWriter outmethod) {
357 outmethod.println("int main(int argc, const char *argv[]) {");
358 outmethod.println(" int i;");
360 outputStaticBlocks(outmethod);
361 outputClassObjects(outmethod);
364 additionalCodeAtTopOfMain( outmethod );
368 if (state.DSMRECOVERYSTATS) {
369 outmethod.println("#ifdef RECOVERYSTATS \n");
370 outmethod.println("handle();\n");
371 outmethod.println("#endif\n");
373 outmethod.println("#if defined(TRANSSTATS) || defined(RECOVERYSTATS) \n");
374 outmethod.println("handle();\n");
375 outmethod.println("#endif\n");
379 if (state.THREAD||state.DSM||state.SINGLETM) {
380 outmethod.println("initializethreads();");
383 outmethod.println("if (dstmStartup(argv[1])) {");
384 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
385 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
387 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
390 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
391 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
393 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
397 outmethod.println(" for(i=2;i<argc;i++) {");
399 outmethod.println(" for(i=1;i<argc;i++) {");
400 outmethod.println(" int length=strlen(argv[i]);");
401 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
402 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
404 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
407 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
409 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
410 outmethod.println(" }");
412 MethodDescriptor md=typeutil.getMain();
413 ClassDescriptor cd=typeutil.getMainClass();
415 outmethod.println(" {");
416 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
417 if (state.DSM||state.SINGLETM) {
418 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
420 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
421 outmethod.println("1, NULL,"+"stringarray};");
422 if (state.DSM||state.SINGLETM)
423 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
425 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
427 if (state.DSM||state.SINGLETM)
428 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
430 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
432 outmethod.println(" }");
435 outmethod.println("}");
438 if (state.THREAD||state.DSM||state.SINGLETM) {
439 outmethod.println("pthread_mutex_lock(&gclistlock);");
440 outmethod.println("threadcount--;");
441 outmethod.println("pthread_cond_signal(&gccond);");
442 outmethod.println("pthread_mutex_unlock(&gclistlock);");
445 if (state.DSM||state.SINGLETM) {
446 //outmethod.println("#if defined(TRANSSTATS) || defined(RECOVERYSTATS) \n");
447 outmethod.println("#if defined(TRANSSTATS) \n");
448 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
449 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
450 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
451 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
453 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
454 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
455 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
456 outmethod.println("printf(\"ndirtyCacheObj= %d\\n\", ndirtyCacheObj);");
457 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
458 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
459 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
460 outmethod.println("printf(\"totalObjSize= %d\\n\", totalObjSize);");
461 outmethod.println("printf(\"sendRemoteReq= %d\\n\", sendRemoteReq);");
462 outmethod.println("printf(\"getResponse= %d\\n\", getResponse);");
463 } else if (state.SINGLETM) {
464 outmethod.println("printf(\"nSoftAbortAbort= %d\\n\", nSoftAbortAbort);");
465 outmethod.println("printf(\"nSoftAbortCommit= %d\\n\", nSoftAbortCommit);");
466 outmethod.println("#ifdef STMSTATS\n");
467 outmethod.println("for(i=0; i<TOTALNUMCLASSANDARRAY; i++) {\n");
468 outmethod.println(" printf(\"typesCausingAbort[%2d] numaccess= %5d numabort= %3d\\n\", i, typesCausingAbort[i].numaccess, typesCausingAbort[i].numabort);\n");
469 outmethod.println("}\n");
470 outmethod.println("#endif\n");
471 outmethod.println("fflush(stdout);");
473 outmethod.println("#endif\n");
476 if (state.EVENTMONITOR) {
477 outmethod.println("dumpdata();");
480 if (state.THREAD||state.SINGLETM)
481 outmethod.println("pthread_exit(NULL);");
484 additionalCodeAtBottomOfMain( outmethod );
487 outmethod.println("}");
490 /* This method outputs code for each task. */
492 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
493 /* Compile task based program */
494 outtaskdefs.println("#include \"task.h\"");
495 outtaskdefs.println("#include \"methodheaders.h\"");
496 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
497 while(taskit.hasNext()) {
498 TaskDescriptor td=(TaskDescriptor)taskit.next();
499 FlatMethod fm=state.getMethodFlat(td);
500 generateFlatMethod(fm, null, outmethod);
501 generateTaskDescriptor(outtaskdefs, fm, td);
504 //Output task descriptors
505 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
506 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
508 while(taskit.hasNext()) {
509 TaskDescriptor td=(TaskDescriptor)taskit.next();
513 outtaskdefs.println(",");
514 outtaskdefs.print("&task_"+td.getSafeSymbol());
516 outtaskdefs.println("};");
518 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
522 /* This method outputs most of the methods.c file. This includes
523 * some standard includes and then an array with the sizes of
524 * objets and array that stores supertype and then the code for
525 * the Java methods.. */
526 protected void outputMethods(PrintWriter outmethod) {
527 outmethod.println("#include \"methodheaders.h\"");
528 outmethod.println("#include \"virtualtable.h\"");
529 outmethod.println("#include \"runtime.h\"");
531 // always include: compiler directives will leave out
532 // instrumentation when option is not set
533 outmethod.println("#include \"coreprof/coreprof.h\"");
536 outmethod.println("#include \"sandboxdefs.c\"");
539 outmethod.println("#include \"addPrefetchEnhance.h\"");
540 outmethod.println("#include \"localobjects.h\"");
542 if (state.FASTCHECK) {
543 outmethod.println("#include \"localobjects.h\"");
545 if(state.MULTICORE) {
547 outmethod.println("#include \"task.h\"");
549 outmethod.println("#include \"multicoreruntime.h\"");
550 outmethod.println("#include \"runtime_arch.h\"");
552 if (state.THREAD||state.DSM||state.SINGLETM) {
553 outmethod.println("#include <thread.h>");
556 outmethod.println("#include \"thread.h\"");
558 if (state.main!=null) {
559 outmethod.println("#include <string.h>");
561 if (state.CONSCHECK) {
562 outmethod.println("#include \"checkers.h\"");
566 additionalIncludesMethodsImplementation( outmethod );
570 // TODO add version for normal Java later
571 outmethod.println("struct global_defs_t * global_defs_p;");
573 //Store the sizes of classes & array elements
574 generateSizeArray(outmethod);
576 //Store table of supertypes
577 generateSuperTypeTable(outmethod);
579 // Store table of classnames
581 // TODO add code for normal Java later
582 generateClassNameTable(outmethod);
585 //Store the layout of classes
586 generateLayoutStructs(outmethod);
589 additionalCodeAtTopMethodsImplementation( outmethod );
592 /* Generate code for methods */
593 if (state.DSM||state.SINGLETM) {
594 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
595 LocalityBinding lb=lbit.next();
596 MethodDescriptor md=lb.getMethod();
597 FlatMethod fm=state.getMethodFlat(md);
599 if (!md.getModifiers().isNative()) {
600 generateFlatMethod(fm, lb, outmethod);
604 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
605 while(classit.hasNext()) {
606 ClassDescriptor cn=(ClassDescriptor)classit.next();
607 Iterator methodit=cn.getMethods();
608 while(methodit.hasNext()) {
609 /* Classify parameters */
610 MethodDescriptor md=(MethodDescriptor)methodit.next();
611 FlatMethod fm=state.getMethodFlat(md);
612 if (!md.getModifiers().isNative()) {
613 generateFlatMethod(fm, null, outmethod);
620 protected void outputStructs(PrintWriter outstructs) {
621 outstructs.println("#ifndef STRUCTDEFS_H");
622 outstructs.println("#define STRUCTDEFS_H");
623 outstructs.println("#include \"classdefs.h\"");
624 outstructs.println("#ifndef INTPTR");
625 outstructs.println("#ifdef BIT64");
626 outstructs.println("#define INTPTR long");
627 outstructs.println("#else");
628 outstructs.println("#define INTPTR int");
629 outstructs.println("#endif");
630 outstructs.println("#endif");
633 additionalIncludesStructsHeader( outstructs );
636 /* Output #defines that the runtime uses to determine type
637 * numbers for various objects it needs */
638 outstructs.println("#define MAXCOUNT "+maxcount);
639 if (state.DSM||state.SINGLETM) {
640 LocalityBinding lbrun=new LocalityBinding(typeutil.getRun(), false);
642 lbrun.setGlobalThis(LocalityAnalysis.GLOBAL);
644 else if (state.SINGLETM) {
645 lbrun.setGlobalThis(LocalityAnalysis.NORMAL);
647 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lbrun));
651 LocalityBinding lbexecute = new LocalityBinding(typeutil.getExecute(), false);
653 lbexecute.setGlobalThis(LocalityAnalysis.GLOBAL);
654 else if( state.SINGLETM)
655 lbexecute.setGlobalThis(LocalityAnalysis.NORMAL);
656 outstructs.println("#define EXECUTEMETHOD " + virtualcalls.getLocalityNumber(lbexecute));
659 outstructs.println("#define STRINGARRAYTYPE "+
660 (state.getArrayNumber(
661 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
663 outstructs.println("#define OBJECTARRAYTYPE "+
664 (state.getArrayNumber(
665 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
668 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
669 outstructs.println("#define CHARARRAYTYPE "+
670 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
672 outstructs.println("#define BYTEARRAYTYPE "+
673 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
675 outstructs.println("#define BYTEARRAYARRAYTYPE "+
676 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
678 outstructs.println("#define NUMCLASSES "+state.numClasses());
679 int totalClassSize = state.numClasses() + state.numArrays();
680 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
682 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
683 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
684 outstructs.println("#define TAGARRAYTYPE "+
685 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
689 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs) {
690 if (state.THREAD||state.DSM||state.SINGLETM)
691 outclassdefs.println("#include <pthread.h>");
692 outclassdefs.println("#ifndef INTPTR");
693 outclassdefs.println("#ifdef BIT64");
694 outclassdefs.println("#define INTPTR long");
695 outclassdefs.println("#else");
696 outclassdefs.println("#define INTPTR int");
697 outclassdefs.println("#endif");
698 outclassdefs.println("#endif");
700 outclassdefs.println("#include \"optionalstruct.h\"");
701 outclassdefs.println("struct "+arraytype+";");
702 /* Start by declaring all structs */
703 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
704 while(it.hasNext()) {
705 ClassDescriptor cn=(ClassDescriptor)it.next();
706 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
709 // TODO add version for normal Java later
710 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
711 // this class has static fields/blocks, need to add a global flag to
712 // indicate if its static fields have been initialized and/or if its
713 // static blocks have been executed
714 outglobaldefs.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
717 // for each class, create a global object
718 outglobaldefs.println(" struct ___Object___ "+cn.getSafeSymbol()+"classobj;");
721 outclassdefs.println("");
722 //Print out definition for array type
723 outclassdefs.println("struct "+arraytype+" {");
724 outclassdefs.println(" int type;");
727 additionalClassObjectFields( outclassdefs );
730 if (state.EVENTMONITOR) {
731 outclassdefs.println(" int objuid;");
734 outclassdefs.println(" pthread_t tid;");
735 outclassdefs.println(" void * lockentry;");
736 outclassdefs.println(" int lockcount;");
739 outclassdefs.println(" int mutex;");
740 outclassdefs.println(" int objlock;");
741 if(state.MULTICOREGC) {
742 outclassdefs.println(" int marked;");
746 outclassdefs.println(" int flag;");
747 if(!state.MULTICORE) {
748 outclassdefs.println(" void * flagptr;");
750 outclassdefs.println(" int version;");
751 outclassdefs.println(" int * lock;"); // lock entry for this obj
752 outclassdefs.println(" int mutex;");
753 outclassdefs.println(" int lockcount;");
754 if(state.MULTICOREGC) {
755 outclassdefs.println(" int marked;");
759 outclassdefs.println(" int numfses;");
760 outclassdefs.println(" int * fses;");
764 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs);
766 if (state.STMARRAY) {
767 outclassdefs.println(" int lowindex;");
768 outclassdefs.println(" int highindex;");
771 outclassdefs.println(" int paddingforarray;");
772 if (state.DUALVIEW) {
773 outclassdefs.println(" int arrayversion;");
776 outclassdefs.println(" int ___length___;");
777 outclassdefs.println("};\n");
780 // TODO add version for normal Java later
781 outclassdefs.println("");
782 //Print out definition for Class type
783 outclassdefs.println("struct Class {");
784 outclassdefs.println(" int type;");
787 additionalClassObjectFields( outclassdefs );
790 if (state.EVENTMONITOR) {
791 outclassdefs.println(" int objuid;");
794 outclassdefs.println(" pthread_t tid;");
795 outclassdefs.println(" void * lockentry;");
796 outclassdefs.println(" int lockcount;");
799 outclassdefs.println(" int mutex;");
800 outclassdefs.println(" int objlock;");
801 if(state.MULTICOREGC) {
802 outclassdefs.println(" int marked;");
806 outclassdefs.println(" int flag;");
807 if(!state.MULTICORE) {
808 outclassdefs.println(" void * flagptr;");
810 outclassdefs.println(" int version;");
811 outclassdefs.println(" int * lock;"); // lock entry for this obj
812 outclassdefs.println(" int mutex;");
813 outclassdefs.println(" int lockcount;");
814 if(state.MULTICOREGC) {
815 outclassdefs.println(" int marked;");
819 outclassdefs.println(" int numfses;");
820 outclassdefs.println(" int * fses;");
823 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs);
824 outclassdefs.println("};\n");
827 outclassdefs.println("");
828 outclassdefs.println("extern int classsize[];");
829 outclassdefs.println("extern int hasflags[];");
830 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
831 outclassdefs.println("extern int supertypes[];");
833 // TODO add version for normal Java later
834 outclassdefs.println("extern char * classname[];");
836 outclassdefs.println("");
839 /** Prints out definitions for generic task structures */
841 private void outputTaskTypes(PrintWriter outtask) {
842 outtask.println("#ifndef _TASK_H");
843 outtask.println("#define _TASK_H");
844 outtask.println("struct parameterdescriptor {");
845 outtask.println("int type;");
846 outtask.println("int numberterms;");
847 outtask.println("int *intarray;");
848 outtask.println("void * queue;");
849 outtask.println("int numbertags;");
850 outtask.println("int *tagarray;");
851 outtask.println("};");
853 outtask.println("struct taskdescriptor {");
854 outtask.println("void * taskptr;");
855 outtask.println("int numParameters;");
856 outtask.println(" int numTotal;");
857 outtask.println("struct parameterdescriptor **descriptorarray;");
858 outtask.println("char * name;");
859 outtask.println("};");
860 outtask.println("extern struct taskdescriptor * taskarray[];");
861 outtask.println("extern numtasks;");
862 outtask.println("#endif");
866 private void buildRepairStructs(PrintWriter outrepairstructs) {
867 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
868 while(classit.hasNext()) {
869 ClassDescriptor cn=(ClassDescriptor)classit.next();
870 outrepairstructs.println("structure "+cn.getSymbol()+" {");
871 outrepairstructs.println(" int __type__;");
873 outrepairstructs.println(" int __flag__;");
874 if(!state.MULTICORE) {
875 outrepairstructs.println(" int __flagptr__;");
878 printRepairStruct(cn, outrepairstructs);
879 outrepairstructs.println("}\n");
882 for(int i=0; i<state.numArrays(); i++) {
883 TypeDescriptor tdarray=arraytable[i];
884 TypeDescriptor tdelement=tdarray.dereference();
885 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
886 outrepairstructs.println(" int __type__;");
887 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
888 outrepairstructs.println(" int length;");
890 // Need to add support to repair tool for this
891 if (tdelement.isClass()||tdelement.isArray())
892 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
894 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
896 outrepairstructs.println("}\n");
900 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
901 ClassDescriptor sp=cn.getSuperDesc();
903 printRepairStruct(sp, output);
905 Vector fields=(Vector)fieldorder.get(cn);
907 for(int i=0; i<fields.size(); i++) {
908 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
909 if (fd.getType().isArray()) {
910 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
911 } else if (fd.getType().isClass())
912 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
913 else if (fd.getType().isFloat())
914 output.println(" int "+fd.getSymbol()+"; /* really float */");
916 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
920 /** This method outputs TaskDescriptor information */
921 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
922 for (int i=0; i<task.numParameters(); i++) {
923 VarDescriptor param_var=task.getParameter(i);
924 TypeDescriptor param_type=task.getParamType(i);
925 FlagExpressionNode param_flag=task.getFlag(param_var);
926 TagExpressionList param_tag=task.getTag(param_var);
929 if (param_flag==null) {
930 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
931 output.println("0x0, 0x0 };");
934 DNFFlag dflag=param_flag.getDNF();
935 dnfterms=dflag.size();
937 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
938 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
939 for(int j=0; j<dflag.size(); j++) {
942 Vector term=dflag.get(j);
945 for(int k=0; k<term.size(); k++) {
946 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
947 FlagDescriptor fd=dfa.getFlag();
948 boolean negated=dfa.getNegated();
949 int flagid=1<<((Integer)flags.get(fd)).intValue();
954 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
956 output.println("};");
959 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
960 //BUG...added next line to fix, test with any task program
962 for(int j=0; j<param_tag.numTags(); j++) {
965 /* for each tag we need */
966 /* which slot it is */
967 /* what type it is */
968 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
969 TempDescriptor tmp=param_tag.getTemp(j);
970 int slot=fm.getTagInt(tmp);
971 output.println(slot+", "+state.getTagId(tvd.getTag()));
973 output.println("};");
975 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
976 output.println("/* type */"+param_type.getClassDesc().getId()+",");
977 output.println("/* number of DNF terms */"+dnfterms+",");
978 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
979 output.println("0,");
980 //BUG, added next line to fix and else statement...test
981 //with any task program
983 output.println("/* number of tags */"+param_tag.numTags()+",");
985 output.println("/* number of tags */ 0,");
986 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
987 output.println("};");
991 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
992 for (int i=0; i<task.numParameters(); i++) {
995 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
997 output.println("};");
999 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
1000 output.println("&"+task.getSafeSymbol()+",");
1001 output.println("/* number of parameters */" +task.numParameters() + ",");
1002 int numtotal=task.numParameters()+fm.numTags();
1003 output.println("/* number total parameters */" +numtotal + ",");
1004 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
1005 output.println("\""+task.getSymbol()+"\"");
1006 output.println("};");
1010 /** The buildVirtualTables method outputs the virtual dispatch
1011 * tables for methods. */
1013 protected void buildVirtualTables(PrintWriter outvirtual) {
1014 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
1015 while(classit.hasNext()) {
1016 ClassDescriptor cd=(ClassDescriptor)classit.next();
1017 if (virtualcalls.getMethodCount(cd)>maxcount)
1018 maxcount=virtualcalls.getMethodCount(cd);
1020 MethodDescriptor[][] virtualtable=null;
1021 LocalityBinding[][] lbvirtualtable=null;
1022 if (state.DSM||state.SINGLETM)
1023 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
1025 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
1027 /* Fill in virtual table */
1028 classit=state.getClassSymbolTable().getDescriptorsIterator();
1029 while(classit.hasNext()) {
1030 ClassDescriptor cd=(ClassDescriptor)classit.next();
1031 if(cd.isInterface()) {
1034 if (state.DSM||state.SINGLETM)
1035 fillinRow(cd, lbvirtualtable, cd.getId());
1037 fillinRow(cd, virtualtable, cd.getId());
1040 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
1041 Iterator arrayit=state.getArrayIterator();
1042 while(arrayit.hasNext()) {
1043 TypeDescriptor td=(TypeDescriptor)arrayit.next();
1044 int id=state.getArrayNumber(td);
1045 if (state.DSM||state.SINGLETM)
1046 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
1048 fillinRow(objectcd, virtualtable, id+state.numClasses());
1051 outvirtual.print("void * virtualtable[]={");
1052 boolean needcomma=false;
1053 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
1054 for(int j=0; j<maxcount; j++) {
1056 outvirtual.print(", ");
1057 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
1058 LocalityBinding lb=lbvirtualtable[i][j];
1059 MethodDescriptor md=lb.getMethod();
1060 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1061 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
1062 MethodDescriptor md=virtualtable[i][j];
1063 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1065 outvirtual.print("0");
1069 outvirtual.println("");
1071 outvirtual.println("};");
1075 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
1076 /* Get inherited methods */
1077 if (cd.getSuperDesc()!=null)
1078 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
1080 // TODO add version for normal Java later
1081 Iterator it_sifs = cd.getSuperInterfaces();
1082 while(it_sifs.hasNext()) {
1083 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
1084 fillinRow(superif, virtualtable, rownum);
1087 /* Override them with our methods */
1088 for(Iterator it=cd.getMethods(); it.hasNext();) {
1089 MethodDescriptor md=(MethodDescriptor)it.next();
1090 if (md.isStatic()||md.getReturnType()==null)
1092 int methodnum=virtualcalls.getMethodNumber(md);
1093 virtualtable[rownum][methodnum]=md;
1097 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
1098 /* Get inherited methods */
1099 if (cd.getSuperDesc()!=null)
1100 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
1101 /* Override them with our methods */
1102 if (locality.getClassBindings(cd)!=null)
1103 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
1104 LocalityBinding lb=lbit.next();
1105 MethodDescriptor md=lb.getMethod();
1106 //Is the method static or a constructor
1107 if (md.isStatic()||md.getReturnType()==null)
1109 int methodnum=virtualcalls.getLocalityNumber(lb);
1110 virtualtable[rownum][methodnum]=lb;
1114 /** Generate array that contains the sizes of class objects. The
1115 * object allocation functions in the runtime use this
1118 private void generateSizeArray(PrintWriter outclassdefs) {
1119 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
1120 outclassdefs.print("#ifdef TRANSSTATS \n");
1121 outclassdefs.print("extern int numTransAbort;\n");
1122 outclassdefs.print("extern int numTransCommit;\n");
1123 outclassdefs.print("extern int nSoftAbort;\n");
1125 outclassdefs.print("extern int nchashSearch;\n");
1126 outclassdefs.print("extern int nmhashSearch;\n");
1127 outclassdefs.print("extern int nprehashSearch;\n");
1128 outclassdefs.print("extern int ndirtyCacheObj;\n");
1129 outclassdefs.print("extern int nRemoteSend;\n");
1130 outclassdefs.print("extern int sendRemoteReq;\n");
1131 outclassdefs.print("extern int getResponse;\n");
1132 outclassdefs.print("extern int bytesSent;\n");
1133 outclassdefs.print("extern int bytesRecv;\n");
1134 outclassdefs.print("extern int totalObjSize;\n");
1135 outclassdefs.print("extern void handle();\n");
1136 } else if (state.SINGLETM) {
1137 outclassdefs.println("extern int nSoftAbortAbort;");
1138 outclassdefs.println("extern int nSoftAbortCommit;");
1139 outclassdefs.println("#ifdef STMSTATS\n");
1140 outclassdefs.println("extern objtypestat_t typesCausingAbort[];");
1141 outclassdefs.println("#endif\n");
1143 outclassdefs.print("#endif\n");
1145 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
1148 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1149 cdarray=new ClassDescriptor[state.numClasses()];
1151 while(it.hasNext()) {
1152 ClassDescriptor cd=(ClassDescriptor)it.next();
1153 if(!cd.isInterface()) {
1154 cdarray[cd.getId()]=cd;
1158 arraytable=new TypeDescriptor[state.numArrays()];
1160 Iterator arrayit=state.getArrayIterator();
1161 while(arrayit.hasNext()) {
1162 TypeDescriptor td=(TypeDescriptor)arrayit.next();
1163 int id=state.getArrayNumber(td);
1169 /* Print out types */
1170 outclassdefs.println("/* ");
1171 for(int i=0; i<state.numClasses(); i++) {
1172 ClassDescriptor cd=cdarray[i];
1174 outclassdefs.println("NULL " + i);
1176 outclassdefs.println(cd +" "+i);
1180 for(int i=0; i<state.numArrays(); i++) {
1181 TypeDescriptor arraytd=arraytable[i];
1182 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
1185 outclassdefs.println("*/");
1188 outclassdefs.print("int classsize[]={");
1190 boolean needcomma=false;
1191 for(int i=0; i<state.numClasses(); i++) {
1193 outclassdefs.print(", ");
1195 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
1197 outclassdefs.print("0");
1203 for(int i=0; i<state.numArrays(); i++) {
1205 outclassdefs.print(", ");
1206 TypeDescriptor tdelement=arraytable[i].dereference();
1207 if (tdelement.isArray()||tdelement.isClass())
1208 outclassdefs.print("sizeof(void *)");
1210 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
1214 outclassdefs.println("};");
1216 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1218 outclassdefs.print("int typearray[]={");
1219 for(int i=0; i<state.numClasses(); i++) {
1220 ClassDescriptor cd=cdarray[i];
1221 ClassDescriptor supercd=i>0?cd.getSuperDesc():null;
1223 outclassdefs.print(", ");
1225 outclassdefs.print("-1");
1227 outclassdefs.print(supercd.getId());
1231 for(int i=0; i<state.numArrays(); i++) {
1232 TypeDescriptor arraytd=arraytable[i];
1233 ClassDescriptor arraycd=arraytd.getClassDesc();
1234 if (arraycd==null) {
1236 outclassdefs.print(", ");
1237 outclassdefs.print(objectclass.getId());
1241 ClassDescriptor cd=arraycd.getSuperDesc();
1244 TypeDescriptor supertd=new TypeDescriptor(cd);
1245 supertd.setArrayCount(arraytd.getArrayCount());
1246 type=state.getArrayNumber(supertd);
1248 type+=state.numClasses();
1251 cd=cd.getSuperDesc();
1254 outclassdefs.print(", ");
1255 outclassdefs.print(type);
1259 outclassdefs.println("};");
1264 outclassdefs.print("int typearray2[]={");
1265 for(int i=0; i<state.numArrays(); i++) {
1266 TypeDescriptor arraytd=arraytable[i];
1267 ClassDescriptor arraycd=arraytd.getClassDesc();
1268 if (arraycd==null) {
1270 outclassdefs.print(", ");
1271 outclassdefs.print("-1");
1275 ClassDescriptor cd=arraycd.getSuperDesc();
1276 int level=arraytd.getArrayCount()-1;
1278 for(; level>0; level--) {
1279 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1280 supertd.setArrayCount(level);
1281 type=state.getArrayNumber(supertd);
1283 type+=state.numClasses();
1288 outclassdefs.print(", ");
1289 outclassdefs.print(type);
1293 outclassdefs.println("};");
1296 /** Constructs params and temp objects for each method or task.
1297 * These objects tell the compiler which temps need to be
1300 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
1301 MethodDescriptor md=fm.getMethod();
1302 TaskDescriptor task=fm.getTask();
1303 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
1304 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
1306 paramstable.put(lb, objectparams);
1307 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
1308 } else if (md!=null)
1309 paramstable.put(md, objectparams);
1311 paramstable.put(task, objectparams);
1313 for(int i=0; i<fm.numParameters(); i++) {
1314 TempDescriptor temp=fm.getParameter(i);
1315 TypeDescriptor type=temp.getType();
1316 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1317 objectparams.addPtr(temp);
1319 objectparams.addPrim(temp);
1320 if(lb!=null&&saveset.contains(temp)) {
1321 backuptable.get(lb).put(temp, temp.createNew());
1325 for(int i=0; i<fm.numTags(); i++) {
1326 TempDescriptor temp=fm.getTag(i);
1327 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1328 objectparams.addPtr(temp);
1330 objectparams.addPrim(temp);
1333 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1335 tempstable.put(lb, objecttemps);
1337 tempstable.put(md, objecttemps);
1339 tempstable.put(task, objecttemps);
1341 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
1342 FlatNode fn=(FlatNode)nodeit.next();
1343 TempDescriptor[] writes=fn.writesTemps();
1344 for(int i=0; i<writes.length; i++) {
1345 TempDescriptor temp=writes[i];
1346 TypeDescriptor type=temp.getType();
1347 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1348 objecttemps.addPtr(temp);
1350 objecttemps.addPrim(temp);
1351 if(lb!=null&&saveset.contains(temp)&&
1352 !backuptable.get(lb).containsKey(temp))
1353 backuptable.get(lb).put(temp, temp.createNew());
1357 /* Create backup temps */
1359 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
1360 TempDescriptor tmp=tmpit.next();
1361 TypeDescriptor type=tmp.getType();
1362 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1363 objecttemps.addPtr(tmp);
1365 objecttemps.addPrim(tmp);
1367 /* Create temp to hold revert table */
1368 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
1369 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
1370 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1371 objecttemps.addPtr(reverttmp);
1373 objecttemps.addPrim(reverttmp);
1374 reverttable.put(lb, reverttmp);
1379 /** This method outputs the following information about classes
1381 * (1) For classes, what are the locations of pointers.
1382 * (2) For arrays, does the array contain pointers or primitives.
1383 * (3) For classes, does the class contain flags.
1386 private void generateLayoutStructs(PrintWriter output) {
1387 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1388 while(it.hasNext()) {
1389 ClassDescriptor cn=(ClassDescriptor)it.next();
1390 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1391 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1393 while(allit.hasNext()) {
1394 FieldDescriptor fd=(FieldDescriptor)allit.next();
1395 TypeDescriptor type=fd.getType();
1396 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1401 output.print(count);
1402 allit=cn.getFieldTable().getAllDescriptorsIterator();
1403 while(allit.hasNext()) {
1404 FieldDescriptor fd=(FieldDescriptor)allit.next();
1405 TypeDescriptor type=fd.getType();
1406 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1409 output.println(",");
1410 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
1413 output.println("};");
1415 output.println("unsigned INTPTR * pointerarray[]={");
1416 boolean needcomma=false;
1417 for(int i=0; i<state.numClasses(); i++) {
1418 ClassDescriptor cn=cdarray[i];
1420 output.println(",");
1423 output.print(cn.getSafeSymbol()+"_pointers");
1425 output.print("NULL");
1429 for(int i=0; i<state.numArrays(); i++) {
1431 output.println(", ");
1432 TypeDescriptor tdelement=arraytable[i].dereference();
1433 if (tdelement.isArray()||tdelement.isClass())
1434 output.print("((unsigned INTPTR *)1)");
1440 output.println("};");
1442 output.println("int hasflags[]={");
1443 for(int i=0; i<state.numClasses(); i++) {
1444 ClassDescriptor cn=cdarray[i];
1446 output.println(", ");
1448 if ((cn != null) && (cn.hasFlags()))
1453 output.println("};");
1456 /** Print out table to give us supertypes */
1457 private void generateSuperTypeTable(PrintWriter output) {
1458 output.println("int supertypes[]={");
1459 boolean needcomma=false;
1460 for(int i=0; i<state.numClasses(); i++) {
1461 ClassDescriptor cn=cdarray[i];
1463 output.println(",");
1465 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1466 ClassDescriptor cdsuper=cn.getSuperDesc();
1467 output.print(cdsuper.getId());
1471 output.println("};");
1474 /** Print out table to give us classnames */
1475 /*private void generateClassNameTable(PrintWriter output) {
1476 output.println("char * classname[]={");
1477 boolean needcomma=false;
1478 for(int i=0; i<state.numClasses(); i++) {
1479 ClassDescriptor cn=cdarray[i];
1481 output.println(",");
1483 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1484 output.print("\"" + cn.getSymbol() + "\"");
1486 output.print("\"\"");
1488 output.println("};");
1491 /** Force consistent field ordering between inherited classes. */
1493 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout) {
1495 ClassDescriptor sp=cn.getSuperDesc();
1497 printClassStruct(sp, classdefout, globaldefout);
1499 if (!fieldorder.containsKey(cn)) {
1500 Vector fields=new Vector();
1501 fieldorder.put(cn,fields);
1502 Vector fieldvec=cn.getFieldVec();
1503 for(int i=0;i<fieldvec.size();i++) {
1504 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1505 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol())))
1509 Vector fields=(Vector)fieldorder.get(cn);
1511 for(int i=0; i<fields.size(); i++) {
1512 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1513 if (state.MGC && fd.getType().isClass()
1514 && fd.getType().getClassDesc().isEnum()) {
1515 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1516 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1517 if ((state.MGC) && (fd.isStatic())) {
1518 // TODO add version for normal Java later
1520 if(fd.isVolatile()) {
1521 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1523 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1525 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" ** "+fd.getSafeSymbol()+";");
1526 } else if ((state.MGC) && (fd.isVolatile())) {
1527 // TODO add version for normal Java later
1529 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1530 classdefout.println(" struct"+fd.getType().getSafeSymbol()+" ** "+fd.getSafeSymbol()+";");
1532 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1534 } else if ((state.MGC) && (fd.isStatic())) {
1535 // TODO add version for normal Java later
1537 if(fd.isVolatile()) {
1538 globaldefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1540 globaldefout.println(" "+fd.getType().getSafeSymbol()+ " "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1542 classdefout.println(" "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1543 } else if ((state.MGC) && (fd.isVolatile())) {
1544 // TODO add version for normal Java later
1546 globaldefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+cn.getSafeSymbol()+fd.getSafeSymbol()+";");
1547 classdefout.println(" "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1549 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1554 /* Map flags to integers consistently between inherited
1557 protected void mapFlags(ClassDescriptor cn) {
1558 ClassDescriptor sp=cn.getSuperDesc();
1562 if (!flagorder.containsKey(cn)) {
1563 Hashtable flags=new Hashtable();
1564 flagorder.put(cn,flags);
1566 Hashtable superflags=(Hashtable)flagorder.get(sp);
1567 Iterator superflagit=superflags.keySet().iterator();
1568 while(superflagit.hasNext()) {
1569 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1570 Integer number=(Integer)superflags.get(fd);
1571 flags.put(fd, number);
1572 if ((number.intValue()+1)>max)
1573 max=number.intValue()+1;
1577 Iterator flagit=cn.getFlags();
1578 while(flagit.hasNext()) {
1579 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1580 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1581 flags.put(fd, new Integer(max++));
1587 /** This function outputs (1) structures that parameters are
1588 * passed in (when PRECISE GC is enabled) and (2) function
1589 * prototypes for the methods */
1591 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout) {
1592 /* Output class structure */
1593 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1594 classdefout.println(" int type;");
1597 additionalClassObjectFields( classdefout );
1600 if (state.EVENTMONITOR) {
1601 classdefout.println(" int objuid;");
1604 classdefout.println(" pthread_t tid;");
1605 classdefout.println(" void * lockentry;");
1606 classdefout.println(" int lockcount;");
1609 classdefout.println(" int mutex;");
1610 classdefout.println(" int objlock;");
1611 if(state.MULTICOREGC) {
1612 classdefout.println(" int marked;");
1616 classdefout.println(" int flag;");
1617 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1618 classdefout.println(" void * flagptr;");
1619 } else if (state.MULTICORE) {
1620 classdefout.println(" int version;");
1621 classdefout.println(" int * lock;"); // lock entry for this obj
1622 classdefout.println(" int mutex;");
1623 classdefout.println(" int lockcount;");
1624 if(state.MULTICOREGC) {
1625 classdefout.println(" int marked;");
1628 if (state.OPTIONAL) {
1629 classdefout.println(" int numfses;");
1630 classdefout.println(" int * fses;");
1633 printClassStruct(cn, classdefout, globaldefout);
1634 classdefout.println("};\n");
1636 if (state.DSM||state.SINGLETM) {
1637 /* Cycle through LocalityBindings */
1638 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1639 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1641 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1642 LocalityBinding lb=lbit.next();
1643 MethodDescriptor md=lb.getMethod();
1644 if (md.getModifiers().isNative()) {
1645 //make sure we only print a native method once
1646 if (nativemethods.contains(md)) {
1647 FlatMethod fm=state.getMethodFlat(md);
1648 generateTempStructs(fm, lb);
1651 nativemethods.add(md);
1653 generateMethod(cn, md, lb, headersout, output);
1656 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1657 MethodDescriptor md=(MethodDescriptor)methodit.next();
1658 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1659 //Need to build param structure for library code
1660 FlatMethod fm=state.getMethodFlat(md);
1661 generateTempStructs(fm, null);
1662 generateMethodParam(cn, md, null, output);
1667 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1668 MethodDescriptor md=(MethodDescriptor)methodit.next();
1669 generateMethod(cn, md, null, headersout, output);
1673 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1674 /* Output parameter structure */
1675 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1676 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1677 if ((state.DSM||state.SINGLETM)&&lb!=null)
1678 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1680 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1681 output.println(" int size;");
1682 output.println(" void * next;");
1683 for(int i=0; i<objectparams.numPointers(); i++) {
1684 TempDescriptor temp=objectparams.getPointer(i);
1685 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1687 output.println("};\n");
1691 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1692 FlatMethod fm=state.getMethodFlat(md);
1693 generateTempStructs(fm, lb);
1695 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1696 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1698 generateMethodParam(cn, md, lb, output);
1700 /* Output temp structure */
1701 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1702 if (state.DSM||state.SINGLETM)
1703 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1705 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1706 output.println(" int size;");
1707 output.println(" void * next;");
1708 for(int i=0; i<objecttemps.numPointers(); i++) {
1709 TempDescriptor temp=objecttemps.getPointer(i);
1710 if (temp.getType().isNull())
1711 output.println(" void * "+temp.getSafeSymbol()+";");
1713 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1715 output.println("};\n");
1718 /********* Output method declaration ***********/
1719 if (state.DSM||state.SINGLETM) {
1720 headersout.println("#define D"+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1722 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1724 /* First the return type */
1725 if (md.getReturnType()!=null) {
1726 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1727 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1729 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1731 //catch the constructor case
1732 headersout.print("void ");
1734 /* Next the method name */
1735 if (state.DSM||state.SINGLETM) {
1736 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1738 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1740 boolean printcomma=false;
1741 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1742 if (state.DSM||state.SINGLETM) {
1743 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1745 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1749 /* Output parameter list*/
1750 for(int i=0; i<objectparams.numPrimitives(); i++) {
1751 TempDescriptor temp=objectparams.getPrimitive(i);
1753 headersout.print(", ");
1755 if (temp.getType().isClass()||temp.getType().isArray())
1756 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1758 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1760 headersout.println(");\n");
1764 /** This function outputs (1) structures that parameters are
1765 * passed in (when PRECISE GC is enabled) and (2) function
1766 * prototypes for the tasks */
1768 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1769 /* Cycle through tasks */
1770 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1772 while(taskit.hasNext()) {
1773 /* Classify parameters */
1774 TaskDescriptor task=(TaskDescriptor)taskit.next();
1775 FlatMethod fm=state.getMethodFlat(task);
1776 generateTempStructs(fm, null);
1778 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1779 TempObject objecttemps=(TempObject) tempstable.get(task);
1781 /* Output parameter structure */
1782 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1783 output.println("struct "+task.getSafeSymbol()+"_params {");
1784 output.println(" int size;");
1785 output.println(" void * next;");
1786 for(int i=0; i<objectparams.numPointers(); i++) {
1787 TempDescriptor temp=objectparams.getPointer(i);
1788 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1791 output.println("};\n");
1792 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1793 maxtaskparams=objectparams.numPointers()+fm.numTags();
1797 /* Output temp structure */
1798 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1799 output.println("struct "+task.getSafeSymbol()+"_locals {");
1800 output.println(" int size;");
1801 output.println(" void * next;");
1802 for(int i=0; i<objecttemps.numPointers(); i++) {
1803 TempDescriptor temp=objecttemps.getPointer(i);
1804 if (temp.getType().isNull())
1805 output.println(" void * "+temp.getSafeSymbol()+";");
1806 else if(temp.getType().isTag())
1807 output.println(" struct "+
1808 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1810 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1812 output.println("};\n");
1815 /* Output task declaration */
1816 headersout.print("void " + task.getSafeSymbol()+"(");
1818 boolean printcomma=false;
1819 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1820 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1822 headersout.print("void * parameterarray[]");
1823 headersout.println(");\n");
1827 /***** Generate code for FlatMethod fm. *****/
1829 Hashtable<FlatAtomicEnterNode, AtomicRecord> atomicmethodmap;
1830 static int atomicmethodcount=0;
1833 BranchAnalysis branchanalysis;
1834 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1835 if (State.PRINTFLAT)
1836 System.out.println(fm.printMethod());
1837 MethodDescriptor md=fm.getMethod();
1838 TaskDescriptor task=fm.getTask();
1839 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1840 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1842 HashSet<AtomicRecord> arset=null;
1843 branchanalysis=null;
1845 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
1847 if (atomicmethodmap==null)
1848 atomicmethodmap=new Hashtable<FlatAtomicEnterNode, AtomicRecord>();
1850 //fix these so we get right strings for local variables
1851 localsprefixaddr=localsprefix;
1852 localsprefixderef=localsprefix+"->";
1853 arset=new HashSet<AtomicRecord>();
1855 //build branchanalysis
1856 branchanalysis=new BranchAnalysis(locality, lb, delaycomp.getNotReady(lb), delaycomp.livecode(lb), state);
1858 //Generate commit methods here
1859 for(Iterator<FlatNode> fnit=fm.getNodeSet().iterator();fnit.hasNext();) {
1860 FlatNode fn=fnit.next();
1861 if (fn.kind()==FKind.FlatAtomicEnterNode&&
1862 locality.getAtomic(lb).get(fn.getPrev(0)).intValue()==0&&
1863 delaycomp.needsFission(lb, (FlatAtomicEnterNode) fn)) {
1864 //We have an atomic enter
1865 FlatAtomicEnterNode faen=(FlatAtomicEnterNode) fn;
1866 Set<FlatNode> exitset=faen.getExits();
1868 String methodname=md.getSymbol()+(atomicmethodcount++);
1869 AtomicRecord ar=new AtomicRecord();
1873 atomicmethodmap.put(faen, ar);
1875 //build data structure declaration
1876 output.println("struct atomicprimitives_"+methodname+" {");
1878 Set<FlatNode> recordset=delaycomp.livecode(lb);
1879 Set<TempDescriptor> liveinto=delaycomp.liveinto(lb, faen, recordset);
1880 Set<TempDescriptor> liveout=delaycomp.liveout(lb, faen);
1881 Set<TempDescriptor> liveoutvirtualread=delaycomp.liveoutvirtualread(lb, faen);
1883 ar.reallivein=new HashSet(liveinto);
1885 ar.liveoutvirtualread=liveoutvirtualread;
1888 for(Iterator<TempDescriptor> it=liveinto.iterator(); it.hasNext();) {
1889 TempDescriptor tmp=it.next();
1890 //remove the pointers
1891 if (tmp.getType().isPtr()) {
1894 //let's print it here
1895 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
1898 for(Iterator<TempDescriptor> it=liveout.iterator(); it.hasNext();) {
1899 TempDescriptor tmp=it.next();
1900 //remove the pointers
1901 if (tmp.getType().isPtr()) {
1903 } else if (!liveinto.contains(tmp)) {
1904 //let's print it here
1905 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
1908 output.println("};");
1910 //print out method name
1911 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) {");
1912 //build code for commit method
1914 //first define local primitives
1915 Set<TempDescriptor> alltemps=delaycomp.alltemps(lb, faen, recordset);
1916 for(Iterator<TempDescriptor> tmpit=alltemps.iterator();tmpit.hasNext();) {
1917 TempDescriptor tmp=tmpit.next();
1918 if (!tmp.getType().isPtr()) {
1919 if (liveinto.contains(tmp)||liveoutvirtualread.contains(tmp)) {
1920 //read from live into set
1921 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+"=primitives->"+tmp.getSafeSymbol()+";");
1924 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
1928 //turn off write barrier generation
1930 state.SINGLETM=false;
1931 generateCode(faen, fm, lb, exitset, output, false);
1932 state.SINGLETM=true;
1933 //turn on write barrier generation
1935 output.println("}\n\n");
1939 //redefine these back to normal
1941 localsprefixaddr="&"+localsprefix;
1942 localsprefixderef=localsprefix+".";
1944 generateHeader(fm, lb, md!=null ? md : task,output);
1945 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1947 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
1948 for(Iterator<AtomicRecord> arit=arset.iterator();arit.hasNext();) {
1949 AtomicRecord ar=arit.next();
1950 output.println("struct atomicprimitives_"+ar.name+" primitives_"+ar.name+";");
1954 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1955 if (md!=null&&(state.DSM||state.SINGLETM))
1956 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1957 else if (md!=null&&!(state.DSM||state.SINGLETM))
1958 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1960 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1961 output.print(objecttemp.numPointers()+",");
1962 output.print(paramsprefix);
1963 for(int j=0; j<objecttemp.numPointers(); j++)
1964 output.print(", NULL");
1965 output.println("};");
1968 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1969 TempDescriptor td=objecttemp.getPrimitive(i);
1970 TypeDescriptor type=td.getType();
1972 output.println(" void * "+td.getSafeSymbol()+";");
1973 else if (state.MGC && type.isClass() && type.getClassDesc().isEnum()) {
1974 output.println(" int " + td.getSafeSymbol() + ";");
1975 } else if (type.isClass()||type.isArray())
1976 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1978 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1983 additionalCodeAtTopFlatMethodBody( output, fm );
1987 /* Check to see if we need to do a GC if this is a
1988 * multi-threaded program...*/
1990 if (((state.OOOJAVA||state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC)
1991 || this.state.MULTICOREGC) {
1992 //Don't bother if we aren't in recursive methods...The loops case will catch it
1993 if (callgraph.getAllMethods(md).contains(md)) {
1994 if (state.DSM&&lb.isAtomic())
1995 output.println("if (needtocollect) checkcollect2("+localsprefixaddr+");");
1996 else if (this.state.MULTICOREGC) {
1997 output.println("if(gcflag) gc("+localsprefixaddr+");");
1999 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2005 // TODO add version for normal Java later
2006 if(fm.getMethod().isStaticBlock()) {
2007 // a static block, check if it has been executed
2008 output.println(" if(global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
2009 output.println(" return;");
2010 output.println(" }");
2013 if((!fm.getMethod().isStaticBlock()) && (fm.getMethod().getReturnType() == null) && (cn != null)){
2014 // is a constructor, check and output initialization of the static fields
2015 // here does not initialize the static fields of the class, instead it
2016 // redirect the corresponding fields in the object to the global_defs_p
2017 Vector fields=(Vector)fieldorder.get(cn);
2019 for(int i=0; i<fields.size(); i++) {
2020 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
2023 output.println(generateTemp(fm,fm.getParameter(0),lb)+"->"+fd.getSafeSymbol()+"=&(global_defs_p->"+cn.getSafeSymbol()+fd.getSafeSymbol()+");");
2029 generateCode(fm.getNext(0), fm, lb, null, output, true);
2031 output.println("}\n\n");
2036 protected void generateCode(FlatNode first,
2039 Set<FlatNode> stopset,
2041 boolean firstpass) {
2043 /* Assign labels to FlatNode's if necessary.*/
2045 Hashtable<FlatNode, Integer> nodetolabel;
2047 if (state.DELAYCOMP&&!firstpass)
2048 nodetolabel=dcassignLabels(first, stopset);
2050 nodetolabel=assignLabels(first, stopset);
2052 Set<FlatNode> storeset=null;
2053 HashSet<FlatNode> genset=null;
2054 HashSet<FlatNode> refset=null;
2055 Set<FlatNode> unionset=null;
2057 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
2058 storeset=delaycomp.livecode(lb);
2059 genset=new HashSet<FlatNode>();
2060 if (state.STMARRAY&&!state.DUALVIEW) {
2061 refset=new HashSet<FlatNode>();
2062 refset.addAll(delaycomp.getDeref(lb));
2063 refset.removeAll(delaycomp.getCannotDelay(lb));
2064 refset.removeAll(delaycomp.getOther(lb));
2067 genset.addAll(delaycomp.getCannotDelay(lb));
2068 genset.addAll(delaycomp.getOther(lb));
2070 genset.addAll(delaycomp.getNotReady(lb));
2071 if (state.STMARRAY&&!state.DUALVIEW) {
2072 genset.removeAll(refset);
2075 unionset=new HashSet<FlatNode>();
2076 unionset.addAll(storeset);
2077 unionset.addAll(genset);
2078 if (state.STMARRAY&&!state.DUALVIEW)
2079 unionset.addAll(refset);
2082 /* Do the actual code generation */
2083 FlatNode current_node=null;
2084 HashSet tovisit=new HashSet();
2085 HashSet visited=new HashSet();
2087 tovisit.add(first.getNext(0));
2090 while(current_node!=null||!tovisit.isEmpty()) {
2091 if (current_node==null) {
2092 current_node=(FlatNode)tovisit.iterator().next();
2093 tovisit.remove(current_node);
2094 } else if (tovisit.contains(current_node)) {
2095 tovisit.remove(current_node);
2097 visited.add(current_node);
2098 if (nodetolabel.containsKey(current_node)) {
2099 output.println("L"+nodetolabel.get(current_node)+":");
2101 if (state.INSTRUCTIONFAILURE) {
2102 if (state.THREAD||state.DSM||state.SINGLETM) {
2103 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2105 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2107 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2109 if (!state.DELAYCOMP||firstpass) {
2110 generateFlatNode(fm, lb, current_node, output);
2112 //store primitive variables in out set
2113 AtomicRecord ar=atomicmethodmap.get((FlatAtomicEnterNode)first);
2114 Set<TempDescriptor> liveout=ar.liveout;
2115 for(Iterator<TempDescriptor> tmpit=liveout.iterator();tmpit.hasNext();) {
2116 TempDescriptor tmp=tmpit.next();
2117 output.println("primitives->"+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
2120 if (state.OOOJAVA && stopset!=null) {
2121 assert first.getPrev( 0 ) instanceof FlatSESEEnterNode;
2122 assert current_node instanceof FlatSESEExitNode;
2123 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev( 0 );
2124 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2125 assert fsen.getFlatExit().equals( fsxn );
2126 assert fsxn.getFlatEnter().equals( fsen );
2128 if (current_node.kind()!=FKind.FlatReturnNode) {
2130 // TODO add version for normal Java later
2131 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2132 // a static block, check if it has been executed
2133 output.println(" global_defs_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2137 output.println(" return;");
2140 } else if(current_node.numNext()==1) {
2142 if (state.OOOJAVA &&
2143 current_node.kind()==FKind.FlatSESEEnterNode
2145 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2146 generateFlatNode(fm, lb, current_node, output);
2147 nextnode=fsen.getFlatExit().getNext(0);
2148 } else if (state.DELAYCOMP) {
2149 boolean specialprimitive=false;
2150 //skip literals...no need to add extra overhead
2151 if (storeset!=null&&storeset.contains(current_node)&¤t_node.kind()==FKind.FlatLiteralNode) {
2152 TypeDescriptor typedesc=((FlatLiteralNode)current_node).getType();
2153 if (!typedesc.isClass()&&!typedesc.isArray()) {
2154 specialprimitive=true;
2158 if (genset==null||genset.contains(current_node)||specialprimitive)
2159 generateFlatNode(fm, lb, current_node, output);
2160 if (state.STMARRAY&&!state.DUALVIEW&&refset!=null&&refset.contains(current_node)) {
2161 //need to acquire lock
2162 handleArrayDeref(fm, lb, current_node, output, firstpass);
2164 if (storeset!=null&&storeset.contains(current_node)&&!specialprimitive) {
2165 TempDescriptor wrtmp=current_node.writesTemps()[0];
2167 //need to store value written by previous node
2168 if (wrtmp.getType().isPtr()) {
2169 //only lock the objects that may actually need locking
2170 if (recorddc.getNeedTrans(lb, current_node)&&
2171 (!state.STMARRAY||state.DUALVIEW||!wrtmp.getType().isArray()||
2172 wrtmp.getType().getSymbol().equals(TypeUtil.ObjectClass))) {
2173 output.println("STOREPTR("+generateTemp(fm, wrtmp,lb)+");/* "+current_node.nodeid+" */");
2175 output.println("STOREPTRNOLOCK("+generateTemp(fm, wrtmp,lb)+");/* "+current_node.nodeid+" */");
2178 output.println("STORE"+wrtmp.getType().getSafeDescriptor()+"("+generateTemp(fm, wrtmp, lb)+");/* "+current_node.nodeid+" */");
2181 //need to read value read by previous node
2182 if (wrtmp.getType().isPtr()) {
2183 output.println("RESTOREPTR("+generateTemp(fm, wrtmp,lb)+");/* "+current_node.nodeid+" */");
2185 output.println("RESTORE"+wrtmp.getType().getSafeDescriptor()+"("+generateTemp(fm, wrtmp, lb)+"); /* "+current_node.nodeid+" */");
2189 nextnode=current_node.getNext(0);
2192 generateFlatNode(fm, lb, current_node, output);
2193 nextnode=current_node.getNext(0);
2195 if (visited.contains(nextnode)) {
2196 output.println("goto L"+nodetolabel.get(nextnode)+";");
2199 current_node=nextnode;
2200 } else if (current_node.numNext()==2) {
2202 if (state.DELAYCOMP) {
2203 boolean computeside=false;
2205 //need to record which way it should go
2206 if (genset==null||genset.contains(current_node)) {
2207 if (storeset!=null&&storeset.contains(current_node)) {
2208 //need to store which way branch goes
2209 generateStoreFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2211 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2213 //which side to execute
2217 if (genset.contains(current_node)) {
2218 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2219 } else if (storeset.contains(current_node)) {
2221 branchanalysis.generateGroupCode(current_node, output, nodetolabel);
2223 //which side to execute
2228 Set<FlatNode> leftset=DelayComputation.getNext(current_node, 0, unionset, lb,locality, true);
2230 if (leftset.size()==0)
2232 if (visited.contains(current_node.getNext(branch))) {
2233 //already visited -- build jump
2234 output.println("goto L"+nodetolabel.get(current_node.getNext(branch))+";");
2237 current_node=current_node.getNext(branch);
2240 if (!visited.contains(current_node.getNext(1)))
2241 tovisit.add(current_node.getNext(1));
2242 if (visited.contains(current_node.getNext(0))) {
2243 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2246 current_node=current_node.getNext(0);
2250 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2251 if (!visited.contains(current_node.getNext(1)))
2252 tovisit.add(current_node.getNext(1));
2253 if (visited.contains(current_node.getNext(0))) {
2254 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2257 current_node=current_node.getNext(0);
2259 } else throw new Error();
2263 protected void handleArrayDeref(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output, boolean firstpass) {
2264 if (fn.kind()==FKind.FlatSetElementNode) {
2265 FlatSetElementNode fsen=(FlatSetElementNode) fn;
2266 String dst=generateTemp(fm, fsen.getDst(), lb);
2267 String src=generateTemp(fm, fsen.getSrc(), lb);
2268 String index=generateTemp(fm, fsen.getIndex(), lb);
2269 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2271 if (elementtype.isArray()||elementtype.isClass())
2274 type=elementtype.getSafeSymbol()+" ";
2276 output.println("STOREARRAY("+dst+","+index+","+type+")");
2278 output.println("{");
2279 output.println(" struct ArrayObject *array;");
2280 output.println(" int index;");
2281 output.println(" RESTOREARRAY(array,index);");
2282 output.println(" (("+type+"*)(((char *)&array->___length___)+sizeof(int)))[index]="+src+";");
2283 output.println("}");
2285 } else if (fn.kind()==FKind.FlatElementNode) {
2286 FlatElementNode fen=(FlatElementNode) fn;
2287 String src=generateTemp(fm, fen.getSrc(), lb);
2288 String index=generateTemp(fm, fen.getIndex(), lb);
2289 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2290 String dst=generateTemp(fm, fen.getDst(), lb);
2292 if (elementtype.isArray()||elementtype.isClass())
2295 type=elementtype.getSafeSymbol()+" ";
2297 output.println("STOREARRAY("+src+","+index+","+type+")");
2299 output.println("{");
2300 output.println(" struct ArrayObject *array;");
2301 output.println(" int index;");
2302 output.println(" RESTOREARRAY(array,index);");
2303 output.println(" "+dst+"=(("+type+"*)(((char *)&array->___length___)+sizeof(int)))[index];");
2304 output.println("}");
2308 /** Special label assignment for delaycomputation */
2309 protected Hashtable<FlatNode, Integer> dcassignLabels(FlatNode first, Set<FlatNode> lastset) {
2310 HashSet tovisit=new HashSet();
2311 HashSet visited=new HashSet();
2313 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2315 //Label targets of branches
2316 Set<FlatNode> targets=branchanalysis.getTargets();
2317 for(Iterator<FlatNode> it=targets.iterator();it.hasNext();) {
2318 nodetolabel.put(it.next(), new Integer(labelindex++));
2323 /*Assign labels first. A node needs a label if the previous
2324 * node has two exits or this node is a join point. */
2326 while(!tovisit.isEmpty()) {
2327 FlatNode fn=(FlatNode)tovisit.iterator().next();
2332 if(lastset!=null&&lastset.contains(fn)) {
2333 // if last is not null and matches, don't go
2334 // any further for assigning labels
2338 for(int i=0; i<fn.numNext(); i++) {
2339 FlatNode nn=fn.getNext(i);
2342 //1) Edge >1 of node
2343 nodetolabel.put(nn,new Integer(labelindex++));
2345 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2349 nodetolabel.put(nn,new Integer(labelindex++));
2357 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first) {
2358 return assignLabels(first, null);
2361 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2362 HashSet tovisit=new HashSet();
2363 HashSet visited=new HashSet();
2365 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2368 /*Assign labels first. A node needs a label if the previous
2369 * node has two exits or this node is a join point. */
2371 while(!tovisit.isEmpty()) {
2372 FlatNode fn=(FlatNode)tovisit.iterator().next();
2377 if(lastset!=null&&lastset.contains(fn)) {
2378 // if last is not null and matches, don't go
2379 // any further for assigning labels
2383 for(int i=0; i<fn.numNext(); i++) {
2384 FlatNode nn=fn.getNext(i);
2387 //1) Edge >1 of node
2388 nodetolabel.put(nn,new Integer(labelindex++));
2390 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2394 nodetolabel.put(nn,new Integer(labelindex++));
2402 /** Generate text string that corresponds to the TempDescriptor td. */
2403 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
2404 MethodDescriptor md=fm.getMethod();
2405 TaskDescriptor task=fm.getTask();
2406 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
2408 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2409 return td.getSafeSymbol();
2412 if (objecttemps.isLocalPtr(td)) {
2413 return localsprefixderef+td.getSafeSymbol();
2416 if (objecttemps.isParamPtr(td)) {
2417 return paramsprefix+"->"+td.getSafeSymbol();
2425 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
2428 additionalCodePreNode( fm, lb, fn, output );
2432 case FKind.FlatAtomicEnterNode:
2433 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
2436 case FKind.FlatAtomicExitNode:
2437 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
2440 case FKind.FlatInstanceOfNode:
2441 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
2444 case FKind.FlatSESEEnterNode:
2445 generateFlatSESEEnterNode(fm, lb, (FlatSESEEnterNode)fn, output);
2448 case FKind.FlatSESEExitNode:
2449 generateFlatSESEExitNode(fm, lb, (FlatSESEExitNode)fn, output);
2452 case FKind.FlatWriteDynamicVarNode:
2453 generateFlatWriteDynamicVarNode(fm, lb, (FlatWriteDynamicVarNode)fn, output);
2456 case FKind.FlatGlobalConvNode:
2457 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
2460 case FKind.FlatTagDeclaration:
2461 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
2464 case FKind.FlatCall:
2465 generateFlatCall(fm, lb, (FlatCall) fn,output);
2468 case FKind.FlatFieldNode:
2469 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
2472 case FKind.FlatElementNode:
2473 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
2476 case FKind.FlatSetElementNode:
2477 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
2480 case FKind.FlatSetFieldNode:
2481 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
2485 generateFlatNew(fm, lb, (FlatNew) fn,output);
2488 case FKind.FlatOpNode:
2489 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
2492 case FKind.FlatCastNode:
2493 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
2496 case FKind.FlatLiteralNode:
2497 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
2500 case FKind.FlatReturnNode:
2501 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
2505 output.println("/* nop */");
2508 case FKind.FlatGenReachNode:
2509 // this node is just for generating a reach graph
2510 // in disjointness analysis at a particular program point
2513 case FKind.FlatExit:
2514 output.println("/* exit */");
2517 case FKind.FlatBackEdge:
2518 if (state.SINGLETM&&state.SANDBOX&&(locality.getAtomic(lb).get(fn).intValue()>0)) {
2519 output.println("if (unlikely((--transaction_check_counter)<=0)) checkObjects();");
2521 if(state.DSM&&state.SANDBOX&&(locality.getAtomic(lb).get(fn).intValue()>0)) {
2522 output.println("if (unlikely((--transaction_check_counter)<=0)) checkObjects();");
2524 if (((state.OOOJAVA||state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC)
2525 || (this.state.MULTICOREGC)) {
2526 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
2527 output.println("if (needtocollect) checkcollect2("+localsprefixaddr+");");
2528 } else if(this.state.MULTICOREGC) {
2529 output.println("if (gcflag) gc("+localsprefixaddr+");");
2531 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2534 output.println("/* nop */");
2537 case FKind.FlatCheckNode:
2538 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
2541 case FKind.FlatFlagActionNode:
2542 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
2545 case FKind.FlatPrefetchNode:
2546 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
2549 case FKind.FlatOffsetNode:
2550 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
2558 additionalCodePostNode( fm, lb, fn, output );
2561 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
2562 output.println("/* FlatOffsetNode */");
2563 FieldDescriptor fd=fofn.getField();
2564 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+");");
2565 output.println("/* offset */");
2568 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
2569 if (state.PREFETCH) {
2570 Vector oids = new Vector();
2571 Vector fieldoffset = new Vector();
2572 Vector endoffset = new Vector();
2573 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
2574 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
2575 PrefetchPair pp = (PrefetchPair) it.next();
2576 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
2577 /* Find prefetches that can generate oid */
2578 if(statusbase == LocalityAnalysis.GLOBAL) {
2579 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
2581 } else if (statusbase == LocalityAnalysis.LOCAL) {
2582 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
2589 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
2590 output.println("{");
2591 output.println("/* prefetch */");
2592 output.println("/* prefetchid_" + fpn.siteid + " */");
2593 output.println("void * prefptr;");
2594 output.println("int tmpindex;");
2596 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
2597 /*Create C code for oid array */
2598 output.print(" unsigned int oidarray_[] = {");
2599 boolean needcomma=false;
2600 for (Iterator it = oids.iterator(); it.hasNext();) {
2603 output.print(it.next());
2606 output.println("};");
2608 /*Create C code for endoffset values */
2609 output.print(" unsigned short endoffsetarry_[] = {");
2611 for (Iterator it = endoffset.iterator(); it.hasNext();) {
2614 output.print(it.next());
2617 output.println("};");
2619 /*Create C code for Field Offset Values */
2620 output.print(" short fieldarry_[] = {");
2622 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
2625 output.print(it.next());
2628 output.println("};");
2629 /* make the prefetch call to Runtime */
2630 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
2631 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
2632 output.println(" }");
2633 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
2634 output.println(" } else {");
2635 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
2636 output.println(" }");
2637 output.println("}");
2641 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
2642 short offsetcount = 0;
2646 } else if (localbase) {
2647 for(; breakindex<pp.desc.size(); breakindex++) {
2648 Descriptor desc=pp.getDescAt(breakindex);
2649 if (desc instanceof FieldDescriptor) {
2650 FieldDescriptor fd=(FieldDescriptor)desc;
2651 if (fd.isGlobal()) {
2659 if (breakindex>pp.desc.size()) //all local
2662 TypeDescriptor lasttype=pp.base.getType();
2663 String basestr=generateTemp(fm, pp.base, lb);
2665 boolean maybenull=fm.getMethod().isStatic()||
2666 !pp.base.equals(fm.getParameter(0));
2668 for(int i=0; i<breakindex; i++) {
2669 String indexcheck="";
2671 Descriptor desc=pp.getDescAt(i);
2672 if (desc instanceof FieldDescriptor) {
2673 FieldDescriptor fd=(FieldDescriptor)desc;
2675 if (!teststr.equals(""))
2677 teststr+="((prefptr="+basestr+")!=NULL)";
2678 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
2680 basestr=basestr+"->"+fd.getSafeSymbol();
2683 lasttype=fd.getType();
2685 IndexDescriptor id=(IndexDescriptor)desc;
2686 indexcheck="((tmpindex=";
2687 for(int j=0; j<id.tddesc.size(); j++) {
2688 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
2690 indexcheck+=id.offset+")>=0)&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
2692 if (!teststr.equals(""))
2694 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
2695 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
2697 lasttype=lasttype.dereference();
2702 if (teststr.equals("")) {
2703 oid="((unsigned int)"+basestr+")";
2705 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
2709 for(int i = breakindex; i < pp.desc.size(); i++) {
2710 String newfieldoffset;
2711 Object desc = pp.getDescAt(i);
2712 if(desc instanceof FieldDescriptor) {
2713 FieldDescriptor fd=(FieldDescriptor)desc;
2714 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
2715 lasttype=fd.getType();
2717 newfieldoffset = "";
2718 IndexDescriptor id=(IndexDescriptor)desc;
2719 for(int j = 0; j < id.tddesc.size(); j++) {
2720 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
2722 newfieldoffset += id.offset.toString();
2723 lasttype=lasttype.dereference();
2725 fieldoffset.add(newfieldoffset);
2728 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
2729 base+=pp.desc.size()-breakindex;
2730 endoffset.add(new Short((short)base));
2735 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
2736 if (lb!=fgcn.getLocality())
2738 /* Have to generate flat globalconv */
2739 if (fgcn.getMakePtr()) {
2741 //DEBUG: output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+",\" "+fm+":"+fgcn+"\");");
2742 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
2744 if ((dc==null)||!state.READSET&&dc.getNeedTrans(lb, fgcn)||state.READSET&&dc.getNeedWriteTrans(lb, fgcn)) {
2745 //need to do translation
2746 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+", (void *)("+localsprefixaddr+"));");
2747 } else if (state.READSET&&dc.getNeedTrans(lb, fgcn)) {
2748 if (state.HYBRID&&delaycomp.getConv(lb).contains(fgcn)) {
2749 output.println("TRANSREADRDFISSION("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+");");
2751 output.println("TRANSREADRD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+");");
2755 /* Need to convert to OID */
2756 if ((dc==null)||dc.getNeedSrcTrans(lb,fgcn)) {
2757 if (fgcn.doConvert()||(delaycomp!=null&&delaycomp.needsFission(lb, fgcn.getAtomicEnter())&&atomicmethodmap.get(fgcn.getAtomicEnter()).reallivein.contains(fgcn.getSrc()))) {
2758 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
2760 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
2766 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
2768 if (fion.getType().isArray()) {
2769 type=state.getArrayNumber(fion.getType())+state.numClasses();
2771 type=fion.getType().getClassDesc().getId();
2774 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2775 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
2777 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
2780 int sandboxcounter=0;
2781 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
2782 /* Check to see if we need to generate code for this atomic */
2783 if (locality==null) {
2784 if (GENERATEPRECISEGC) {
2785 output.println("if (pthread_mutex_trylock(&atomiclock)!=0) {");
2786 output.println("stopforgc((struct garbagelist *) &___locals___);");
2787 output.println("pthread_mutex_lock(&atomiclock);");
2788 output.println("restartaftergc();");
2789 output.println("}");
2791 output.println("pthread_mutex_lock(&atomiclock);");
2796 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
2800 if (state.SANDBOX) {
2801 outsandbox.println("int atomiccounter"+sandboxcounter+"=LOW_CHECK_FREQUENCY;");
2802 output.println("counter_reset_pointer=&atomiccounter"+sandboxcounter+";");
2805 if (state.DELAYCOMP&&delaycomp.needsFission(lb, faen)) {
2806 AtomicRecord ar=atomicmethodmap.get(faen);
2808 for(Iterator<TempDescriptor> tmpit=ar.livein.iterator();tmpit.hasNext();) {
2809 TempDescriptor tmp=tmpit.next();
2810 output.println("primitives_"+ar.name+"."+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
2813 //copy outs that depend on path
2814 for(Iterator<TempDescriptor> tmpit=ar.liveoutvirtualread.iterator();tmpit.hasNext();) {
2815 TempDescriptor tmp=tmpit.next();
2816 if (!ar.livein.contains(tmp))
2817 output.println("primitives_"+ar.name+"."+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
2821 /* Backup the temps. */
2822 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2823 TempDescriptor tmp=tmpit.next();
2824 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
2827 output.println("goto transstart"+faen.getIdentifier()+";");
2829 /******* Print code to retry aborted transaction *******/
2830 output.println("transretry"+faen.getIdentifier()+":");
2833 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2834 TempDescriptor tmp=tmpit.next();
2835 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
2839 /********* Need to revert local object store ********/
2840 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2842 output.println("while ("+revertptr+") {");
2843 output.println("struct ___Object___ * tmpptr;");
2844 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2845 output.println("REVERT_OBJ("+revertptr+");");
2846 output.println(revertptr+"=tmpptr;");
2847 output.println("}");
2849 /******* Tell the runtime to start the transaction *******/
2851 output.println("transstart"+faen.getIdentifier()+":");
2852 if (state.SANDBOX) {
2853 output.println("transaction_check_counter=*counter_reset_pointer;");
2856 output.println("transStart();");
2858 if (state.ABORTREADERS||state.SANDBOX) {
2860 output.println("abortenabled=1;");
2861 output.println("if (_setjmp(aborttrans)) {");
2862 output.println(" goto transretry"+faen.getIdentifier()+"; }");
2866 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
2867 /* Check to see if we need to generate code for this atomic */
2868 if (locality==null) {
2869 output.println("pthread_mutex_unlock(&atomiclock);");
2872 if (locality.getAtomic(lb).get(faen).intValue()>0)
2874 //store the revert list before we lose the transaction object
2877 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2878 output.println(revertptr+"=revertlist;");
2879 output.println("if (transCommit()) {");
2880 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2881 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2882 output.println("} else {");
2883 /* Need to commit local object store */
2884 output.println("while ("+revertptr+") {");
2885 output.println("struct ___Object___ * tmpptr;");
2886 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2887 output.println("COMMIT_OBJ("+revertptr+");");
2888 output.println(revertptr+"=tmpptr;");
2889 output.println("}");
2890 output.println("}");
2894 if (!state.DELAYCOMP) {
2896 output.println("if (transCommit()) {");
2897 /* Transaction aborts if it returns true */
2898 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2899 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2900 output.println("}");
2902 if (delaycomp.optimizeTrans(lb, faen.getAtomicEnter())&&(!state.STMARRAY||state.DUALVIEW)) {
2903 AtomicRecord ar=atomicmethodmap.get(faen.getAtomicEnter());
2904 output.println("LIGHTWEIGHTCOMMIT("+ar.name+", &primitives_"+ar.name+", &"+localsprefix+", "+paramsprefix+", transretry"+faen.getAtomicEnter().getIdentifier()+");");
2906 for(Iterator<TempDescriptor> tmpit=ar.liveout.iterator();tmpit.hasNext();) {
2907 TempDescriptor tmp=tmpit.next();
2908 output.println(tmp.getSafeSymbol()+"=primitives_"+ar.name+"."+tmp.getSafeSymbol()+";");
2910 } else if (delaycomp.needsFission(lb, faen.getAtomicEnter())) {
2911 AtomicRecord ar=atomicmethodmap.get(faen.getAtomicEnter());
2913 output.println("if (transCommit((void (*)(void *, void *, void *))&"+ar.name+", &primitives_"+ar.name+", &"+localsprefix+", "+paramsprefix+")) {");
2914 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2915 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2916 output.println("}");
2918 output.println("else {");
2919 for(Iterator<TempDescriptor> tmpit=ar.liveout.iterator();tmpit.hasNext();) {
2920 TempDescriptor tmp=tmpit.next();
2921 output.println(tmp.getSafeSymbol()+"=primitives_"+ar.name+"."+tmp.getSafeSymbol()+";");
2923 output.println("}");
2925 output.println("if (transCommit(NULL, NULL, NULL, NULL)) {");
2926 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2927 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2928 output.println("}");
2933 public void generateFlatSESEEnterNode( FlatMethod fm,
2935 FlatSESEEnterNode fsen,
2936 PrintWriter output) {
2937 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2938 // just skip over them and code generates exactly the same
2941 public void generateFlatSESEExitNode( FlatMethod fm,
2943 FlatSESEExitNode fsexn,
2944 PrintWriter output) {
2945 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2946 // just skip over them and code generates exactly the same
2949 public void generateFlatWriteDynamicVarNode( FlatMethod fm,
2951 FlatWriteDynamicVarNode fwdvn,
2954 if( !state.OOOJAVA ) {
2955 // should node should not be in an IR graph if the
2956 // OOOJAVA flag is not set
2957 throw new Error("Unexpected presence of FlatWriteDynamicVarNode");
2962 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
2963 if (state.CONSCHECK) {
2964 String specname=fcn.getSpec();
2965 String varname="repairstate___";
2966 output.println("{");
2967 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2969 TempDescriptor[] temps=fcn.getTemps();
2970 String[] vars=fcn.getVars();
2971 for(int i=0; i<temps.length; i++) {
2972 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
2975 output.println("if (doanalysis"+specname+"("+varname+")) {");
2976 output.println("free"+specname+"_state("+varname+");");
2977 output.println("} else {");
2978 output.println("/* Bad invariant */");
2979 output.println("free"+specname+"_state("+varname+");");
2980 output.println("abort_task();");
2981 output.println("}");
2982 output.println("}");
2986 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
2988 MethodDescriptor md=fc.getMethod();
2989 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? locality.getBinding(lb, fc) : md);
2990 ClassDescriptor cn=md.getClassDesc();
2992 // if the called method is a static block or a static method or a constructor
2993 // need to check if it can be invoked inside some static block
2995 // TODO add version for normal Java later
2996 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2997 ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic()))) {
2998 if(!md.isInvokedByStatic()) {
2999 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
3001 // is a static block or is invoked in some static block
3002 ClassDescriptor cd = fm.getMethod().getClassDesc();
3004 // the same class, do nothing
3005 // TODO may want to invoke static field initialization here
3007 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
3008 // need to check if the class' static fields have been initialized and/or
3009 // its static blocks have been executed
3010 output.println("#ifdef MGC_STATIC_INIT_CHECK");
3011 output.println("if(global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
3012 if(cn.getNumStaticFields() != 0) {
3013 // TODO add static field initialization here
3015 if(cn.getNumStaticBlocks() != 0) {
3016 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
3017 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
3019 output.println(" global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
3021 output.println("}");
3022 output.println("#endif // MGC_STATIC_INIT_CHECK");
3026 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
3027 // call MonitorEnter/MonitorExit on a class obj
3028 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
3029 +md.getSafeMethodDescriptor() + "((struct ___Object___*)(&global_defs_p->"
3030 + fc.getThis().getType().getClassDesc().getSafeSymbol() +"classobj));");
3035 output.println("{");
3036 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3038 LocalityBinding fclb=locality.getBinding(lb, fc);
3039 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
3041 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
3042 output.print(objectparams.numPointers());
3043 output.print(", "+localsprefixaddr);
3044 if (md.getThis()!=null) {
3046 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
3048 if (fc.getThis()!=null&&md.getThis()==null) {
3049 System.out.println("WARNING!!!!!!!!!!!!");
3050 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
3054 for(int i=0; i<fc.numArgs(); i++) {
3055 Descriptor var=md.getParameter(i);
3056 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
3057 if (objectparams.isParamPtr(paramtemp)) {
3058 TempDescriptor targ=fc.getArg(i);
3060 TypeDescriptor td=md.getParamType(i);
3062 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
3064 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
3067 output.println("};");
3072 if (fc.getReturnTemp()!=null)
3073 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
3075 /* Do we need to do virtual dispatch? */
3076 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
3079 LocalityBinding fclb=locality.getBinding(lb, fc);
3080 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
3082 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
3087 if (md.getReturnType().isClass()||md.getReturnType().isArray())
3088 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
3090 output.print(md.getReturnType().getSafeSymbol()+" ");
3091 output.print("(*)(");
3093 boolean printcomma=false;
3094 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3096 LocalityBinding fclb=locality.getBinding(lb, fc);
3097 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
3099 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
3103 for(int i=0; i<objectparams.numPrimitives(); i++) {
3104 TempDescriptor temp=objectparams.getPrimitive(i);
3108 if (temp.getType().isClass()||temp.getType().isArray())
3109 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
3111 output.print(temp.getType().getSafeSymbol());
3116 LocalityBinding fclb=locality.getBinding(lb, fc);
3117 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
3119 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
3123 boolean needcomma=false;
3124 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3125 output.print("&__parameterlist__");
3129 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
3130 if (fc.getThis()!=null) {
3131 TypeDescriptor ptd=null;
3132 if(md.getThis() != null) {
3133 ptd = md.getThis().getType();
3135 ptd = fc.getThis().getType();
3139 if (ptd.isClass()&&!ptd.isArray())
3140 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
3141 output.print(generateTemp(fm,fc.getThis(),lb));
3146 for(int i=0; i<fc.numArgs(); i++) {
3147 Descriptor var=md.getParameter(i);
3148 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
3149 if (objectparams.isParamPrim(paramtemp)) {
3150 TempDescriptor targ=fc.getArg(i);
3154 TypeDescriptor ptd=md.getParamType(i);
3155 if (ptd.isClass()&&!ptd.isArray())
3156 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
3157 output.print(generateTemp(fm, targ,lb));
3161 output.println(");");
3162 output.println(" }");
3165 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
3166 Set subclasses=typeutil.getSubClasses(thiscd);
3167 if (subclasses==null)
3169 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
3170 ClassDescriptor cd=(ClassDescriptor)classit.next();
3171 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
3172 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
3173 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
3174 if (md.matches(matchmd))
3181 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
3182 if (state.SINGLETM) {
3183 //single machine transactional memory case
3184 String field=ffn.getField().getSafeSymbol();
3185 String src=generateTemp(fm, ffn.getSrc(),lb);
3186 String dst=generateTemp(fm, ffn.getDst(),lb);
3188 output.println(dst+"="+ src +"->"+field+ ";");
3189 if (ffn.getField().getType().isPtr()&&locality.getAtomic(lb).get(ffn).intValue()>0&&
3190 locality.getNodePreTempInfo(lb, ffn).get(ffn.getSrc())!=LocalityAnalysis.SCRATCH) {
3191 if ((dc==null)||(!state.READSET&&dc.getNeedTrans(lb, ffn))||
3192 (state.READSET&&dc.getNeedWriteTrans(lb, ffn))) {
3193 output.println("TRANSREAD("+dst+", "+dst+", (void *) (" + localsprefixaddr + "));");
3194 } else if (state.READSET&&dc.getNeedTrans(lb, ffn)) {
3195 if (state.HYBRID&&delaycomp.getConv(lb).contains(ffn)) {
3196 output.println("TRANSREADRDFISSION("+dst+", "+dst+");");
3198 output.println("TRANSREADRD("+dst+", "+dst+");");
3201 } else if (state.DSM) {
3202 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
3203 if (status==LocalityAnalysis.GLOBAL) {
3204 String field=ffn.getField().getSafeSymbol();
3205 String src=generateTemp(fm, ffn.getSrc(),lb);
3206 String dst=generateTemp(fm, ffn.getDst(),lb);
3208 if (ffn.getField().getType().isPtr()) {
3210 //TODO: Uncomment this when we have runtime support
3211 //if (ffn.getSrc()==ffn.getDst()) {
3212 //output.println("{");
3213 //output.println("void * temp="+src+";");
3214 //output.println("if (temp&0x1) {");
3215 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
3216 //output.println(src+"->"+field+"="+temp+";");
3217 //output.println("}");
3218 //output.println(dst+"=temp;");
3219 //output.println("}");
3221 output.println(dst+"="+ src +"->"+field+ ";");
3222 //output.println("if ("+dst+"&0x1) {");
3223 //DEBUG: output.println("TRANSREAD("+dst+", (unsigned int) "+dst+",\""+fm+":"+ffn+"\");");
3224 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
3225 //output.println(src+"->"+field+"="+src+"->"+field+";");
3226 //output.println("}");
3229 output.println(dst+"="+ src+"->"+field+";");
3231 } else if (status==LocalityAnalysis.LOCAL) {
3232 if (ffn.getField().getType().isPtr()&&
3233 ffn.getField().isGlobal()) {
3234 String field=ffn.getField().getSafeSymbol();
3235 String src=generateTemp(fm, ffn.getSrc(),lb);
3236 String dst=generateTemp(fm, ffn.getDst(),lb);
3237 output.println(dst+"="+ src +"->"+field+ ";");
3238 if (locality.getAtomic(lb).get(ffn).intValue()>0)
3239 //DEBUG: output.println("TRANSREAD("+dst+", (unsigned int) "+dst+",\""+fm+":"+ffn+"\");");
3240 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
3242 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
3243 } else if (status==LocalityAnalysis.EITHER) {
3244 //Code is reading from a null pointer
3245 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
3246 output.println("#ifndef RAW");
3247 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
3248 output.println("#endif");
3249 //This should throw a suitable null pointer error
3250 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
3252 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
3254 // DEBUG if(!ffn.getDst().getType().isPrimitive()){
3255 // DEBUG output.println("within((void*)"+generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+");");
3258 // TODO add version for normal Java later
3259 if(ffn.getField().isStatic()) {
3261 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
3262 // is a static block or is invoked in some static block
3263 ClassDescriptor cd = fm.getMethod().getClassDesc();
3264 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
3266 // the same class, do nothing
3267 // TODO may want to invoke static field initialization here
3269 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
3270 // need to check if the class' static fields have been initialized and/or
3271 // its static blocks have been executed
3272 output.println("#ifdef MGC_STATIC_INIT_CHECK");
3273 output.println("if(global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
3274 if(cn.getNumStaticFields() != 0) {
3275 // TODO add static field initialization here
3277 if(cn.getNumStaticBlocks() != 0) {
3278 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
3279 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
3281 output.println(" global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
3283 output.println("}");
3284 output.println("#endif // MGC_STATIC_INIT_CHECK");
3288 // redirect to the global_defs_p structure
3289 if(ffn.getSrc().getType().isStatic()) {
3290 // reference to the static field with Class name
3291 output.println(generateTemp(fm, ffn.getDst(),lb)+"=global_defs_p->"+ ffn.getSrc().getType().getClassDesc().getSafeSymbol()+ffn.getField().getSafeSymbol()+";");
3293 output.println(generateTemp(fm, ffn.getDst(),lb)+"=*"+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
3295 //output.println(generateTemp(fm, ffn.getDst(),lb)+"=global_defs_p->"+ffn.getSrc().getType().getClassDesc().getSafeSymbol()+"->"+ ffn.getField().getSafeSymbol()+";");
3296 } else if (ffn.getField().isEnum()) {
3297 // an Enum value, directly replace the field access as int
3298 output.println(generateTemp(fm, ffn.getDst(), lb) + "=" + ffn.getField().enumValue() + ";");
3300 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
3303 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
3309 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
3310 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
3311 throw new Error("Can't set array length");
3312 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
3313 //Single Machine Transaction Case
3314 boolean srcptr=fsfn.getSrc().getType().isPtr();
3315 String src=generateTemp(fm,fsfn.getSrc(),lb);
3316 String dst=generateTemp(fm,fsfn.getDst(),lb);
3317 output.println("//"+srcptr+" "+fsfn.getSrc().getType().isNull());
3318 if (srcptr&&!fsfn.getSrc().getType().isNull()) {
3319 output.println("{");
3320 if ((dc==null)||dc.getNeedSrcTrans(lb, fsfn)&&
3321 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getSrc())!=LocalityAnalysis.SCRATCH) {
3322 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
3324 output.println("INTPTR srcoid=(INTPTR)"+src+";");
3327 if (wb.needBarrier(fsfn)&&
3328 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getDst())!=LocalityAnalysis.SCRATCH) {
3329 if (state.EVENTMONITOR) {
3330 output.println("if ("+dst+"->___objstatus___&DIRTY) EVLOGEVENTOBJ(EV_WRITE,"+dst+"->objuid)");
3332 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
3334 if (srcptr&!fsfn.getSrc().getType().isNull()) {
3335 output.println("*((unsigned INTPTR *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
3336 output.println("}");
3338 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
3340 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
3341 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
3342 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
3343 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
3345 String src=generateTemp(fm,fsfn.getSrc(),lb);
3346 String dst=generateTemp(fm,fsfn.getDst(),lb);
3348 output.println("{");
3349 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
3351 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
3354 if (wb.needBarrier(fsfn))
3355 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
3357 output.println("*((unsigned INTPTR *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
3359 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
3360 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
3361 /** Check if we need to copy */
3362 output.println("if(!"+dst+"->"+localcopystr+") {");
3363 /* Link object into list */
3364 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3365 output.println(revertptr+"=revertlist;");
3366 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
3367 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3369 output.println("COPY_OBJ("+dst+");");
3370 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
3371 output.println("revertlist=(struct ___Object___ *)"+dst+";");
3372 output.println("}");
3374 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
3376 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
3377 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
3378 //writing to a null...bad
3379 output.println("if ("+dst+") {");
3380 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
3382 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
3384 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
3387 output.println("}");
3390 if (state.FASTCHECK) {
3391 String dst=generateTemp(fm, fsfn.getDst(),lb);
3392 output.println("if(!"+dst+"->"+localcopystr+") {");
3393 /* Link object into list */
3394 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
3395 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3397 output.println("COPY_OBJ("+dst+");");
3398 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3399 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3400 output.println("}");
3403 // DEBUG if(!fsfn.getField().getType().isPrimitive()){
3404 // DEBUG output.println("within((void*)"+generateTemp(fm,fsfn.getSrc(),lb)+");");
3407 // TODO add version for normal Java later
3408 if(fsfn.getField().isStatic()) {
3410 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
3411 // is a static block or is invoked in some static block
3412 ClassDescriptor cd = fm.getMethod().getClassDesc();
3413 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
3415 // the same class, do nothing
3416 // TODO may want to invoke static field initialization here
3418 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
3419 // need to check if the class' static fields have been initialized and/or
3420 // its static blocks have been executed
3421 output.println("#ifdef MGC_STATIC_INIT_CHECK");
3422 output.println("if(global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
3423 if(cn.getNumStaticFields() != 0) {
3424 // TODO add static field initialization here
3426 if(cn.getNumStaticBlocks() != 0) {
3427 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
3428 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
3430 output.println(" global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
3432 output.println("}");
3433 output.println("#endif // MGC_STATIC_INIT_CHECK");
3437 // redirect to the global_defs_p structure
3438 if(fsfn.getDst().getType().isStatic()) {
3439 // reference to the static field with Class name
3440 output.println("global_defs_p->" + fsfn.getDst().getType().getClassDesc().getSafeSymbol() + fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
3442 output.println("*"+generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
3445 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
3448 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
3453 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
3454 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
3457 if (elementtype.isArray()||elementtype.isClass())
3460 type=elementtype.getSafeSymbol()+" ";
3462 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
3463 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex(),lb)+") >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___))");
3464 output.println("failedboundschk();");
3466 if (state.SINGLETM) {
3467 //Single machine transaction case
3468 String dst=generateTemp(fm, fen.getDst(),lb);
3469 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))) {
3470 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3472 output.println("STMGETARRAY("+dst+", "+ generateTemp(fm,fen.getSrc(),lb)+", "+generateTemp(fm, fen.getIndex(),lb)+", "+type+");");
3475 if (elementtype.isPtr()&&locality.getAtomic(lb).get(fen).intValue()>0&&
3476 locality.getNodePreTempInfo(lb, fen).get(fen.getSrc())!=LocalityAnalysis.SCRATCH) {
3477 if ((dc==null)||!state.READSET&&dc.getNeedTrans(lb, fen)||state.READSET&&dc.getNeedWriteTrans(lb, fen)) {
3478 output.println("TRANSREAD("+dst+", "+dst+", (void *)(" + localsprefixaddr+"));");
3479 } else if (state.READSET&&dc.getNeedTrans(lb, fen)) {
3480 if (state.HYBRID&&delaycomp.getConv(lb).contains(fen)) {
3481 output.println("TRANSREADRDFISSION("+dst+", "+dst+");");
3483 output.println("TRANSREADRD("+dst+", "+dst+");");
3486 } else if (state.DSM) {
3487 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
3488 if (status==LocalityAnalysis.GLOBAL) {
3489 String dst=generateTemp(fm, fen.getDst(),lb);
3490 if (elementtype.isPtr()) {
3491 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3492 //DEBUG: output.println("TRANSREAD("+dst+", "+dst+",\""+fm+":"+fen+"\");");
3493 output.println("TRANSREAD("+dst+", "+dst+");");
3495 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3497 } else if (status==LocalityAnalysis.LOCAL) {
3498 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3499 } else if (status==LocalityAnalysis.EITHER) {
3500 //Code is reading from a null pointer
3501 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
3502 output.println("#ifndef RAW");
3503 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
3504 output.println("#endif");
3505 //This should throw a suitable null pointer error
3506 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3508 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
3510 // DEBUG output.println("within((void*)"+generateTemp(fm,fen.getSrc(),lb)+");");
3511 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
3515 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
3516 //TODO: need dynamic check to make sure this assignment is actually legal
3517 //Because Object[] could actually be something more specific...ie. Integer[]
3519 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
3522 if (elementtype.isArray()||elementtype.isClass())
3525 type=elementtype.getSafeSymbol()+" ";
3527 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
3528 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex(),lb)+") >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___))");
3529 output.println("failedboundschk();");
3532 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
3533 //Transaction set element case
3534 if (wb.needBarrier(fsen)&&
3535 locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH) {
3536 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
3538 if (fsen.getSrc().getType().isPtr()&&!fsen.getSrc().getType().isNull()) {
3539 output.println("{");
3540 String src=generateTemp(fm, fsen.getSrc(), lb);
3541 if ((dc==null)||dc.getNeedSrcTrans(lb, fsen)&&
3542 locality.getNodePreTempInfo(lb, fsen).get(fsen.getSrc())!=LocalityAnalysis.SCRATCH) {
3543 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
3545 output.println("INTPTR srcoid=(INTPTR)"+src+";");
3547 if (state.STMARRAY&&locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH&&wb.needBarrier(fsen)&&locality.getAtomic(lb).get(fsen).intValue()>0) {
3548 output.println("STMSETARRAY("+generateTemp(fm, fsen.getDst(),lb)+", "+generateTemp(fm, fsen.getIndex(),lb)+", srcoid, INTPTR);");
3550 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
3552 output.println("}");
3554 if (state.STMARRAY&&locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH&&wb.needBarrier(fsen)&&locality.getAtomic(lb).get(fsen).intValue()>0) {
3555 output.println("STMSETARRAY("+generateTemp(fm, fsen.getDst(),lb)+", "+generateTemp(fm, fsen.getIndex(),lb)+", "+ generateTemp(fm, fsen.getSrc(), lb) +", "+type+");");
3557 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
3560 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
3561 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
3562 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
3563 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
3564 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
3565 boolean dstlocal=(statusdst==LocalityAnalysis.LOCAL)||(statusdst==LocalityAnalysis.EITHER);
3568 if (wb.needBarrier(fsen))
3569 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
3570 } else if (dstlocal) {
3571 /** Check if we need to copy */
3572 String dst=generateTemp(fm, fsen.getDst(),lb);
3573 output.println("if(!"+dst+"->"+localcopystr+") {");
3574 /* Link object into list */
3575 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3576 output.println(revertptr+"=revertlist;");
3577 if ((GENERATEPRECISEGC) || this.state.MULTICOREGC)
3578 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3580 output.println("COPY_OBJ("+dst+");");
3581 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
3582 output.println("revertlist=(struct ___Object___ *)"+dst+";");
3583 output.println("}");
3585 System.out.println("Node: "+fsen);
3586 System.out.println(lb);
3587 System.out.println("statusdst="+statusdst);
3588 System.out.println(fm.printMethod());
3589 throw new Error("Unknown array type");
3592 output.println("{");
3593 String src=generateTemp(fm, fsen.getSrc(), lb);
3594 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
3595 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
3596 output.println("}");
3598 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
3601 if (state.FASTCHECK) {
3602 String dst=generateTemp(fm, fsen.getDst(),lb);
3603 output.println("if(!"+dst+"->"+localcopystr+") {");
3604 /* Link object into list */
3605 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
3606 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3608 output.println("COPY_OBJ("+dst+");");
3609 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3610 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3611 output.println("}");
3613 // DEBUG output.println("within((void*)"+generateTemp(fm,fsen.getDst(),lb)+");");
3614 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
3619 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
3620 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
3621 //Stash pointer in case of GC
3622 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3623 output.println(revertptr+"=revertlist;");
3625 if (state.SINGLETM) {
3626 if (fn.getType().isArray()) {
3627 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
3628 if (locality.getAtomic(lb).get(fn).intValue()>0) {
3629 //inside transaction
3630 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3632 //outside transaction
3633 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3636 if (locality.getAtomic(lb).get(fn).intValue()>0) {
3637 //inside transaction
3638 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
3640 //outside transaction
3641 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
3644 } else if (fn.getType().isArray()) {
3645 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
3646 if (fn.isGlobal()&&(state.DSM||state.SINGLETM)) {
3647 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3648 } else if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3649 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3651 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
3654 if (fn.isGlobal()&&(state.DSM||state.SINGLETM)) {
3655 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
3656 } else if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3657 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
3659 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
3662 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
3663 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3664 String dst=generateTemp(fm,fn.getDst(),lb);
3665 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
3666 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
3667 output.println("revertlist=(struct ___Object___ *)"+dst+";");
3669 if (state.FASTCHECK) {
3670 String dst=generateTemp(fm,fn.getDst(),lb);
3671 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
3672 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3673 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3677 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
3678 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3679 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
3681 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
3685 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
3686 if (fon.getRight()!=null) {
3687 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
3688 if (fon.getLeft().getType().isLong())
3689 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
3691 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
3693 } else if (dc!=null) {
3694 output.print(generateTemp(fm, fon.getDest(),lb)+" = (");
3695 if (fon.getLeft().getType().isPtr()&&(fon.getOp().getOp()==Operation.EQUAL||fon.getOp().getOp()==Operation.NOTEQUAL))
3696 output.print("(void *)");
3697 if (dc.getNeedLeftSrcTrans(lb, fon))
3698 output.print("("+generateTemp(fm, fon.getLeft(),lb)+"!=NULL?"+generateTemp(fm, fon.getLeft(),lb)+"->"+oidstr+":NULL)");
3700 output.print(generateTemp(fm, fon.getLeft(),lb));
3701 output.print(")"+fon.getOp().toString()+"(");
3702 if (fon.getRight().getType().isPtr()&&(fon.getOp().getOp()==Operation.EQUAL||fon.getOp().getOp()==Operation.NOTEQUAL))
3703 output.print("(void *)");
3704 if (dc.getNeedRightSrcTrans(lb, fon))
3705 output.println("("+generateTemp(fm, fon.getRight(),lb)+"!=NULL?"+generateTemp(fm, fon.getRight(),lb)+"->"+oidstr+":NULL));");
3707 output.println(generateTemp(fm,fon.getRight(),lb)+");");
3709 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
3710 } else if (fon.getOp().getOp()==Operation.ASSIGN)
3711 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
3712 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
3713 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
3714 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
3715 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
3716 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
3717 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
3718 else if (fon.getOp().getOp()==Operation.COMP)
3719 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
3720 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
3721 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
3723 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
3726 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
3727 /* TODO: Do type check here */
3728 if (fcn.getType().isArray()) {
3729 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
3730 } else if (fcn.getType().isClass())
3731 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
3733 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
3736 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
3737 if (fln.getValue()==null)
3738 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
3739 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
3740 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3741 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
3742 //Stash pointer in case of GC
3743 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3744 output.println(revertptr+"=revertlist;");
3746 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString("+localsprefixaddr+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
3747 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
3748 //Stash pointer in case of GC
3749 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
3750 output.println("revertlist="+revertptr+";");
3753 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
3755 } else if (fln.getType().isBoolean()) {
3756 if (((Boolean)fln.getValue()).booleanValue())
3757 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
3759 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
3760 } else if (fln.getType().isChar()) {
3761 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
3762 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
3763 } else if (fln.getType().isLong()) {
3764 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
3766 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
3769 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
3771 // TODO add version for normal Java later
3772 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
3773 // a static block, check if it has been executed
3774 output.println(" global_defs_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
3778 if (frn.getReturnTemp()!=null) {
3779 if (frn.getReturnTemp().getType().isPtr())
3780 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
3782 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
3784 output.println("return;");
3788 protected void generateStoreFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
3791 //only record if this group has more than one exit
3792 if (branchanalysis.numJumps(fcb)>1) {
3793 left=branchanalysis.jumpValue(fcb, 0);
3794 right=branchanalysis.jumpValue(fcb, 1);
3796 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") {");
3798 output.println("STOREBRANCH("+right+");");
3799 output.println("goto "+label+";");
3800 output.println("}");
3802 output.println("STOREBRANCH("+left+");");
3805 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
3806 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
3809 /** This method generates header information for the method or
3810 * task referenced by the Descriptor des. */
3811 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
3812 generateHeader(fm, lb, des, output, false);
3815 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output, boolean addSESErecord) {
3817 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
3818 MethodDescriptor md=null;
3819 TaskDescriptor task=null;
3820 if (des instanceof MethodDescriptor)
3821 md=(MethodDescriptor) des;
3823 task=(TaskDescriptor) des;
3825 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
3827 if (md!=null&&md.getReturnType()!=null) {
3828 if (md.getReturnType().isClass()||md.getReturnType().isArray())
3829 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
3831 output.print(md.getReturnType().getSafeSymbol()+" ");
3833 //catch the constructor case
3834 output.print("void ");
3836 if (state.DSM||state.SINGLETM) {
3837 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
3839 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
3841 output.print(task.getSafeSymbol()+"(");
3843 boolean printcomma=false;
3844 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3846 if (state.DSM||state.SINGLETM) {
3847 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
3849 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
3851 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
3857 for(int i=0; i<objectparams.numPrimitives(); i++) {
3858 TempDescriptor temp=objectparams.getPrimitive(i);
3862 if (temp.getType().isClass()||temp.getType().isArray())
3863 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
3865 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
3867 output.println(") {");
3868 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
3869 /* Imprecise Task */
3870 output.println("void * parameterarray[]) {");
3871 /* Unpack variables */
3872 for(int i=0; i<objectparams.numPrimitives(); i++) {
3873 TempDescriptor temp=objectparams.getPrimitive(i);
3874 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
3876 for(int i=0; i<fm.numTags(); i++) {
3877 TempDescriptor temp=fm.getTag(i);
3878 int offset=i+objectparams.numPrimitives();
3879 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
3882 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3883 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3884 } else output.println(") {");
3887 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
3888 output.println("/* FlatFlagActionNode */");
3891 /* Process tag changes */
3892 Relation tagsettable=new Relation();
3893 Relation tagcleartable=new Relation();
3895 Iterator tagsit=ffan.getTempTagPairs();
3896 while (tagsit.hasNext()) {
3897 TempTagPair ttp=(TempTagPair) tagsit.next();
3898 TempDescriptor objtmp=ttp.getTemp();
3899 TagDescriptor tag=ttp.getTag();
3900 TempDescriptor tagtmp=ttp.getTagTemp();
3901 boolean tagstatus=ffan.getTagChange(ttp);
3903 tagsettable.put(objtmp, tagtmp);
3905 tagcleartable.put(objtmp, tagtmp);
3910 Hashtable flagandtable=new Hashtable();
3911 Hashtable flagortable=new Hashtable();
3913 /* Process flag changes */
3914 Iterator flagsit=ffan.getTempFlagPairs();
3915 while(flagsit.hasNext()) {
3916 TempFlagPair tfp=(TempFlagPair)flagsit.next();
3917 TempDescriptor temp=tfp.getTemp();
3918 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3919 FlagDescriptor flag=tfp.getFlag();
3921 //Newly allocate objects that don't set any flags case
3922 if (flagortable.containsKey(temp)) {
3926 flagortable.put(temp,new Integer(mask));
3928 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3929 boolean flagstatus=ffan.getFlagChange(tfp);
3932 if (flagortable.containsKey(temp)) {
3933 mask=((Integer)flagortable.get(temp)).intValue();
3936 flagortable.put(temp,new Integer(mask));
3938 int mask=0xFFFFFFFF;
3939 if (flagandtable.containsKey(temp)) {
3940 mask=((Integer)flagandtable.get(temp)).intValue();
3942 mask&=(0xFFFFFFFF^flagid);
3943 flagandtable.put(temp,new Integer(mask));
3949 HashSet flagtagset=new HashSet();
3950 flagtagset.addAll(flagortable.keySet());
3951 flagtagset.addAll(flagandtable.keySet());
3952 flagtagset.addAll(tagsettable.keySet());
3953 flagtagset.addAll(tagcleartable.keySet());
3955 Iterator ftit=flagtagset.iterator();
3956 while(ftit.hasNext()) {
3957 TempDescriptor temp=(TempDescriptor)ftit.next();
3960 Set tagtmps=tagcleartable.get(temp);
3961 if (tagtmps!=null) {
3962 Iterator tagit=tagtmps.iterator();
3963 while(tagit.hasNext()) {
3964 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3965 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3966 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
3968 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
3972 tagtmps=tagsettable.get(temp);
3973 if (tagtmps!=null) {
3974 Iterator tagit=tagtmps.iterator();
3975 while(tagit.hasNext()) {
3976 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3977 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3978 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
3980 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
3985 int andmask=0xFFFFFFF;
3987 if (flagortable.containsKey(temp))
3988 ormask=((Integer)flagortable.get(temp)).intValue();
3989 if (flagandtable.containsKey(temp))
3990 andmask=((Integer)flagandtable.get(temp)).intValue();
3991 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
3992 generateObjectDistribute(ffan, fm, lb, temp, output);
3996 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
3997 PrintWriter output, int ormask, int andmask) {
3998 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3999 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
4001 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
4005 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
4006 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
4009 void generateOptionalHeader(PrintWriter headers) {
4012 headers.println("#include \"task.h\"\n\n");
4013 headers.println("#ifndef _OPTIONAL_STRUCT_");
4014 headers.println("#define _OPTIONAL_STRUCT_");
4016 //STRUCT PREDICATEMEMBER
4017 headers.println("struct predicatemember{");
4018 headers.println("int type;");
4019 headers.println("int numdnfterms;");
4020 headers.println("int * flags;");
4021 headers.println("int numtags;");
4022 headers.println("int * tags;\n};\n\n");
4024 //STRUCT OPTIONALTASKDESCRIPTOR
4025 headers.println("struct optionaltaskdescriptor{");
4026 headers.println("struct taskdescriptor * task;");
4027 headers.println("int index;");
4028 headers.println("int numenterflags;");
4029 headers.println("int * enterflags;");
4030 headers.println("int numpredicatemembers;");
4031 headers.println("struct predicatemember ** predicatememberarray;");
4032 headers.println("};\n\n");
4034 //STRUCT TASKFAILURE
4035 headers.println("struct taskfailure {");
4036 headers.println("struct taskdescriptor * task;");
4037 headers.println("int index;");
4038 headers.println("int numoptionaltaskdescriptors;");
4039 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
4041 //STRUCT FSANALYSISWRAPPER
4042 headers.println("struct fsanalysiswrapper{");
4043 headers.println("int flags;");
4044 headers.println("int numtags;");
4045 headers.println("int * tags;");
4046 headers.println("int numtaskfailures;");
4047 headers.println("struct taskfailure ** taskfailurearray;");
4048 headers.println("int numoptionaltaskdescriptors;");
4049 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
4051 //STRUCT CLASSANALYSISWRAPPER
4052 headers.println("struct classanalysiswrapper{");
4053 headers.println("int type;");
4054 headers.println("int numotd;");
4055 headers.println("struct optionaltaskdescriptor ** otdarray;");
4056 headers.println("int numfsanalysiswrappers;");
4057 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
4059 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
4061 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
4062 while(taskit.hasNext()) {
4063 TaskDescriptor td=(TaskDescriptor)taskit.next();
4064 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
4069 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
4070 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
4071 int predicateindex = 0;
4072 //iterate through the classes concerned by the predicate
4073 Set c_vard = predicate.vardescriptors;
4074 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
4077 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
4078 VarDescriptor vard = (VarDescriptor)vard_it.next();
4079 TypeDescriptor typed = vard.getType();
4081 //generate for flags
4082 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
4083 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
4085 if (fen_hashset!=null) {
4086 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
4087 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
4089 DNFFlag dflag=fen.getDNF();
4090 numberterms+=dflag.size();
4092 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
4094 for(int j=0; j<dflag.size(); j++) {
4096 output.println(",");
4097 Vector term=dflag.get(j);
4100 for(int k=0; k<term.size(); k++) {
4101 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
4102 FlagDescriptor fd=dfa.getFlag();
4103 boolean negated=dfa.getNegated();
4104 int flagid=1<<((Integer)flags.get(fd)).intValue();
4109 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
4114 output.println("};\n");
4117 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
4118 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
4121 for(int j=0; j<tagel.numTags(); j++) {
4123 output.println(",");
4124 TempDescriptor tmp=tagel.getTemp(j);
4125 if (!slotnumber.containsKey(tmp)) {
4126 Integer slotint=new Integer(current_slot++);
4127 slotnumber.put(tmp,slotint);
4129 int slot=slotnumber.get(tmp).intValue();
4130 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
4132 numtags = tagel.numTags();
4134 output.println("};");
4136 //store the result into a predicatemember struct
4137 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
4138 output.println("/*type*/"+typed.getClassDesc().getId()+",");
4139 output.println("/* number of dnf terms */"+numberterms+",");
4140 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4141 output.println("/* number of tag */"+numtags+",");
4142 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4143 output.println("};\n");
4148 //generate an array that stores the entire predicate
4149 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
4150 for( int j = 0; j<predicateindex; j++) {
4151 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4152 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
4154 output.println("};\n");
4155 return predicateindex;
4159 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
4160 generateOptionalHeader(headers);
4162 output.println("#include \"optionalstruct.h\"\n\n");
4163 output.println("#include \"stdlib.h\"\n");
4165 HashSet processedcd = new HashSet();
4167 Enumeration e = safeexecution.keys();
4168 while (e.hasMoreElements()) {
4171 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
4172 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
4174 //Generate the struct of optionals
4175 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
4176 numotd = c_otd.size();
4177 if(maxotd<numotd) maxotd = numotd;
4178 if( !c_otd.isEmpty() ) {
4179 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
4180 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
4182 //generate the int arrays for the predicate
4183 Predicate predicate = otd.predicate;
4184 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
4185 TreeSet<Integer> fsset=new TreeSet<Integer>();
4186 //iterate through possible FSes corresponding to
4187 //the state when entering
4189 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
4190 FlagState fs = (FlagState)fses.next();
4192 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
4193 FlagDescriptor flagd = (FlagDescriptor)flags.next();
4194 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
4197 fsset.add(new Integer(flagid));
4198 //tag information not needed because tag
4199 //changes are not tolerated.
4202 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
4203 boolean needcomma=false;
4204 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
4207 output.println(it.next());
4210 output.println("};\n");
4213 //generate optionaltaskdescriptor that actually
4214 //includes exit fses, predicate and the task
4216 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
4217 output.println("&task_"+otd.td.getSafeSymbol()+",");
4218 output.println("/*index*/"+otd.getIndex()+",");
4219 output.println("/*number of enter flags*/"+fsset.size()+",");
4220 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4221 output.println("/*number of members */"+predicateindex+",");
4222 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4223 output.println("};\n");
4227 // if there are no optionals, there is no need to build the rest of the struct
4229 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
4230 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
4231 if( !c_otd.isEmpty() ) {
4232 boolean needcomma=false;
4233 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
4234 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
4236 output.println(",");
4238 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
4241 output.println("};\n");
4243 //get all the possible flagstates reachable by an object
4244 Hashtable hashtbtemp = safeexecution.get(cdtemp);
4246 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
4247 fsts.addAll(hashtbtemp.keySet());
4248 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
4249 FlagState fs = (FlagState)fsit.next();
4252 //get the set of OptionalTaskDescriptors corresponding
4253 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
4254 //iterate through the OptionalTaskDescriptors and
4255 //store the pointers to the optionals struct (see on
4256 //top) into an array
4258 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
4259 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
4260 OptionalTaskDescriptor mm = mos.next();
4262 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
4264 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
4267 output.println("};\n");
4269 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
4272 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
4273 FlagDescriptor flagd = (FlagDescriptor)flags.next();
4274 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
4278 //process tag information
4281 boolean first = true;
4282 Enumeration tag_enum = fs.getTags();
4283 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
4284 while(tag_enum.hasMoreElements()) {
4286 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
4290 output.println(", ");
4291 output.println("/*tagid*/"+state.getTagId(tagd));
4293 output.println("};");
4295 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
4296 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
4297 TaskIndex ti=itti.next();
4301 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
4303 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
4304 boolean needcomma=false;
4305 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
4306 OptionalTaskDescriptor otd=otdit.next();
4310 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
4312 output.println("};");
4314 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
4315 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
4316 output.print(ti.getIndex()+", ");
4317 output.print(otdset.size()+", ");
4318 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
4319 output.println("};");
4322 tiset=sa.getTaskIndex(fs);
4323 boolean needcomma=false;
4325 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
4326 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
4327 TaskIndex ti=itti.next();
4328 if (ti.isRuntime()) {
4335 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
4337 output.println("};\n");
4339 //Store the result in fsanalysiswrapper
4341 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
4342 output.println("/*flag*/"+flagid+",");
4343 output.println("/* number of tags*/"+tagcounter+",");
4344 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
4345 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
4346 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
4347 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
4348 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
4349 output.println("};\n");
4353 //Build the array of fsanalysiswrappers
4354 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
4355 boolean needcomma=false;
4356 for(int i = 0; i<fscounter; i++) {
4357 if (needcomma) output.print(",");
4358 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
4361 output.println("};");
4363 //Build the classanalysiswrapper referring to the previous array
4364 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
4365 output.println("/*type*/"+cdtemp.getId()+",");
4366 output.println("/*numotd*/"+numotd+",");
4367 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
4368 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
4369 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
4370 processedcd.add(cdtemp);
4373 //build an array containing every classes for which code has been build
4374 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
4375 for(int i=0; i<state.numClasses(); i++) {
4376 ClassDescriptor cn=cdarray[i];
4379 if ((cn != null) && (processedcd.contains(cn)))
4380 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
4382 output.print("NULL");
4384 output.println("};");
4386 output.println("#define MAXOTD "+maxotd);
4387 headers.println("#endif");
4390 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
4391 Relation r=new Relation();
4392 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
4393 OptionalTaskDescriptor otd=otdit.next();
4394 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
4398 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
4399 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
4400 Set s=r.get(it.next());
4401 for(Iterator it2=s.iterator(); it2.hasNext();) {
4402 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
4410 protected void outputTransCode(PrintWriter output) {
4415 // override these methods in a subclass of BuildCode
4416 // to generate code for additional systems
4417 protected void additionalIncludesMethodsHeader( PrintWriter outmethodheader ) {}
4418 protected void preCodeGenInitialization() {}
4419 protected void postCodeGenCleanUp() {}
4420 protected void additionalCodeGen( PrintWriter outmethodheader,
4421 PrintWriter outstructs,
4422 PrintWriter outmethod ) {}
4423 protected void additionalCodeAtTopOfMain( PrintWriter outmethod ) {}
4424 protected void additionalCodeAtBottomOfMain( PrintWriter outmethod ) {}
4425 protected void additionalIncludesMethodsImplementation( PrintWriter outmethod ) {}
4426 protected void additionalIncludesStructsHeader( PrintWriter outstructs ) {}
4427 protected void additionalClassObjectFields( PrintWriter outclassdefs ) {}
4428 protected void additionalCodeAtTopMethodsImplementation( PrintWriter outmethod ) {}
4429 protected void additionalCodeAtTopFlatMethodBody( PrintWriter output, FlatMethod fm ) {}
4430 protected void additionalCodePreNode( FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output ) {}
4431 protected void additionalCodePostNode( FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output ) {}