2 import IR.Tree.FlagExpressionNode;
3 import IR.Tree.DNFFlag;
4 import IR.Tree.DNFFlagAtom;
5 import IR.Tree.TagExpressionList;
6 import IR.Tree.OffsetNode;
12 import Analysis.TaskStateAnalysis.FlagState;
13 import Analysis.TaskStateAnalysis.FlagComparator;
14 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
15 import Analysis.TaskStateAnalysis.Predicate;
16 import Analysis.TaskStateAnalysis.SafetyAnalysis;
17 import Analysis.TaskStateAnalysis.TaskIndex;
18 import Analysis.Locality.LocalityAnalysis;
19 import Analysis.Locality.LocalityBinding;
20 import Analysis.Locality.DiscoverConflicts;
21 import Analysis.CallGraph.CallGraph;
22 import Analysis.Prefetch.*;
23 import Analysis.Loops.WriteBarrier;
24 import Analysis.Locality.TypeAnalysis;
26 public class BuildCode {
29 Hashtable paramstable;
34 String localsprefix="___locals___";
35 String fcrevert="___fcrevert___";
36 String paramsprefix="___params___";
37 String oidstr="___nextobject___";
38 String nextobjstr="___nextobject___";
39 String localcopystr="___localcopy___";
40 public static boolean GENERATEPRECISEGC=false;
41 public static String PREFIX="";
42 public static String arraytype="ArrayObject";
43 public static int flagcount = 0;
46 protected int maxtaskparams=0;
47 private int maxcount=0;
48 ClassDescriptor[] cdarray;
49 TypeDescriptor[] arraytable;
50 LocalityAnalysis locality;
51 Hashtable<LocalityBinding, TempDescriptor> reverttable;
52 Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>> backuptable;
55 HashSet<FlatSESEEnterNode> setSESEtoGen;
56 boolean nonSESEpass=true;
61 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
62 this(st, temptovar, typeutil, null, sa, pa);
65 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
66 this(st, temptovar, typeutil, locality, null, pa);
69 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa) {
73 callgraph=new CallGraph(state);
75 oidstr="___objlocation___";
76 this.temptovar=temptovar;
77 paramstable=new Hashtable();
78 tempstable=new Hashtable();
79 fieldorder=new Hashtable();
80 flagorder=new Hashtable();
81 this.typeutil=typeutil;
82 virtualcalls=new Virtual(state,locality);
84 this.locality=locality;
85 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
86 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
87 this.wb=new WriteBarrier(locality, st);
89 if (state.SINGLETM&&state.DCOPTS) {
90 TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
91 this.dc=new DiscoverConflicts(locality, st, typeanalysis);
95 setSESEtoGen = new HashSet<FlatSESEEnterNode>();
98 /** The buildCode method outputs C code for all the methods. The Flat
99 * versions of the methods must already be generated and stored in
100 * the State object. */
102 public void buildCode() {
103 /* Create output streams to write to */
104 PrintWriter outclassdefs=null;
105 PrintWriter outstructs=null;
106 PrintWriter outrepairstructs=null;
107 PrintWriter outmethodheader=null;
108 PrintWriter outmethod=null;
109 PrintWriter outvirtual=null;
110 PrintWriter outtask=null;
111 PrintWriter outtaskdefs=null;
112 PrintWriter outoptionalarrays=null;
113 PrintWriter optionalheaders=null;
116 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
117 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
118 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
119 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
120 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
122 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
123 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
124 if (state.OPTIONAL) {
125 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
126 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
129 if (state.structfile!=null) {
130 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
132 } catch (Exception e) {
137 /* Build the virtual dispatch tables */
138 buildVirtualTables(outvirtual);
140 /* Output includes */
141 outmethodheader.println("#ifndef METHODHEADERS_H");
142 outmethodheader.println("#define METHODHEADERS_H");
143 outmethodheader.println("#include \"structdefs.h\"");
145 outmethodheader.println("#include \"dstm.h\"");
147 outmethodheader.println("#include \"tm.h\"");
148 if (state.ABORTREADERS) {
149 outmethodheader.println("#include \"abortreaders.h\"");
150 outmethodheader.println("#include <setjmp.h>");
153 /* Output Structures */
154 outputStructs(outstructs);
156 // Output the C class declarations
157 // These could mutually reference each other
158 outputClassDeclarations(outclassdefs);
160 // Output function prototypes and structures for parameters
161 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
162 while(it.hasNext()) {
163 ClassDescriptor cn=(ClassDescriptor)it.next();
164 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
166 outclassdefs.close();
169 /* Map flags to integers */
170 /* The runtime keeps track of flags using these integers */
171 it=state.getClassSymbolTable().getDescriptorsIterator();
172 while(it.hasNext()) {
173 ClassDescriptor cn=(ClassDescriptor)it.next();
177 generateTaskStructs(outstructs, outmethodheader);
179 /* Outputs generic task structures if this is a task
181 outputTaskTypes(outtask);
184 /* Build the actual methods */
185 outputMethods(outmethod);
189 while( !setSESEtoGen.isEmpty() ) {
190 FlatSESEEnterNode fsen = setSESEtoGen.iterator().next();
191 setSESEtoGen.remove(fsen);
192 generateMethodSESE(fsen, fsen.getEnclosingFlatMeth(), null, outmethod);
195 assert setSESEtoGen.isEmpty();
199 /* Output code for tasks */
200 outputTaskCode(outtaskdefs, outmethod);
202 /* Record maximum number of task parameters */
203 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
204 } else if (state.main!=null) {
205 /* Generate main method */
206 outputMainMethod(outmethod);
209 /* Generate information for task with optional parameters */
210 if (state.TASK&&state.OPTIONAL) {
211 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
212 outoptionalarrays.close();
215 /* Output structure definitions for repair tool */
216 if (state.structfile!=null) {
217 buildRepairStructs(outrepairstructs);
218 outrepairstructs.close();
222 outmethodheader.println("#endif");
223 outmethodheader.close();
225 outstructs.println("#endif");
230 /* This code just generates the main C method for java programs.
231 * The main C method packs up the arguments into a string array
232 * and passes it to the java main method. */
234 private void outputMainMethod(PrintWriter outmethod) {
235 outmethod.println("int main(int argc, const char *argv[]) {");
236 outmethod.println(" int i;");
238 outmethod.println("#ifdef TRANSSTATS \n");
239 outmethod.println("handle();\n");
240 outmethod.println("#endif\n");
242 if (state.THREAD||state.DSM||state.SINGLETM) {
243 outmethod.println("initializethreads();");
244 outmethod.println("#ifdef STMSTATS\n");
245 outmethod.println(" for(i=0; i<TOTALNUMCLASSANDARRAY; i++) {");
246 outmethod.println(" typesCausingAbort[i] = 0;");
247 outmethod.println(" }");
248 outmethod.println("#endif\n");
251 outmethod.println("if (dstmStartup(argv[1])) {");
252 if (GENERATEPRECISEGC) {
253 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
255 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
258 if (GENERATEPRECISEGC) {
259 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
261 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
265 outmethod.println(" for(i=2;i<argc;i++) {");
267 outmethod.println(" for(i=1;i<argc;i++) {");
268 outmethod.println(" int length=strlen(argv[i]);");
269 if (GENERATEPRECISEGC) {
270 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
272 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
275 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
277 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
278 outmethod.println(" }");
281 MethodDescriptor md=typeutil.getMain();
282 ClassDescriptor cd=typeutil.getMainClass();
284 outmethod.println(" {");
285 if (GENERATEPRECISEGC) {
286 if (state.DSM||state.SINGLETM) {
287 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
289 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
290 outmethod.println("1, NULL,"+"stringarray};");
291 if (state.DSM||state.SINGLETM)
292 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
294 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
296 if (state.DSM||state.SINGLETM)
297 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
299 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
301 outmethod.println(" }");
304 outmethod.println("}");
307 if (state.THREAD||state.DSM||state.SINGLETM) {
308 outmethod.println("pthread_mutex_lock(&gclistlock);");
309 outmethod.println("threadcount--;");
310 outmethod.println("pthread_cond_signal(&gccond);");
311 outmethod.println("pthread_mutex_unlock(&gclistlock);");
314 if (state.DSM||state.SINGLETM) {
315 outmethod.println("#ifdef TRANSSTATS \n");
316 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
317 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
318 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
319 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
321 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
322 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
323 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
324 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
325 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
326 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
327 } else if (state.SINGLETM) {
328 outmethod.println("printf(\"nSoftAbortAbort= %d\\n\", nSoftAbortAbort);");
329 outmethod.println("printf(\"nSoftAbortCommit= %d\\n\", nSoftAbortCommit);");
330 outmethod.println("#ifdef STMSTATS\n");
331 outmethod.println("for(i=0; i<TOTALNUMCLASSANDARRAY; i++) {\n");
332 outmethod.println(" printf(\"typesCausingAbort[%d]= %d\\n\", i, typesCausingAbort[i]);\n");
333 outmethod.println("}\n");
334 outmethod.println("#endif\n");
335 outmethod.println("fflush(stdout);");
337 outmethod.println("#endif\n");
340 if (state.THREAD||state.SINGLETM)
341 outmethod.println("pthread_exit(NULL);");
343 outmethod.println("}");
347 /* This method outputs code for each task. */
349 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
350 /* Compile task based program */
351 outtaskdefs.println("#include \"task.h\"");
352 outtaskdefs.println("#include \"methodheaders.h\"");
353 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
354 while(taskit.hasNext()) {
355 TaskDescriptor td=(TaskDescriptor)taskit.next();
356 FlatMethod fm=state.getMethodFlat(td);
357 generateFlatMethod(fm, null, outmethod);
358 generateTaskDescriptor(outtaskdefs, fm, td);
361 //Output task descriptors
362 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
363 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
365 while(taskit.hasNext()) {
366 TaskDescriptor td=(TaskDescriptor)taskit.next();
370 outtaskdefs.println(",");
371 outtaskdefs.print("&task_"+td.getSafeSymbol());
373 outtaskdefs.println("};");
375 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
378 /* This method outputs most of the methods.c file. This includes
379 * some standard includes and then an array with the sizes of
380 * objets and array that stores supertype and then the code for
381 * the Java methods.. */
383 protected void outputMethods(PrintWriter outmethod) {
384 outmethod.println("#include \"methodheaders.h\"");
385 outmethod.println("#include \"virtualtable.h\"");
386 outmethod.println("#include \"runtime.h\"");
388 outmethod.println("#include \"addPrefetchEnhance.h\"");
389 outmethod.println("#include \"localobjects.h\"");
391 if (state.FASTCHECK) {
392 outmethod.println("#include \"localobjects.h\"");
394 if(state.MULTICORE) {
395 outmethod.println("#include \"task.h\"");
396 outmethod.println("#include \"multicoreruntime.h\"");
397 outmethod.println("#include \"runtime_arch.h\"");
399 if (state.THREAD||state.DSM||state.SINGLETM)
400 outmethod.println("#include <thread.h>");
401 if (state.main!=null) {
402 outmethod.println("#include <string.h>");
404 if (state.CONSCHECK) {
405 outmethod.println("#include \"checkers.h\"");
408 outmethod.println("#include \"mlp_runtime.h\"");
411 //Store the sizes of classes & array elements
412 generateSizeArray(outmethod);
414 //Store table of supertypes
415 generateSuperTypeTable(outmethod);
417 //Store the layout of classes
418 generateLayoutStructs(outmethod);
420 /* Generate code for methods */
421 if (state.DSM||state.SINGLETM) {
422 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
423 LocalityBinding lb=lbit.next();
424 MethodDescriptor md=lb.getMethod();
425 FlatMethod fm=state.getMethodFlat(md);
427 if (!md.getModifiers().isNative()) {
428 generateFlatMethod(fm, lb, outmethod);
432 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
433 while(classit.hasNext()) {
434 ClassDescriptor cn=(ClassDescriptor)classit.next();
435 if(state.MULTICORE) {
436 if(cn.getSymbol().equals("Math")) {
440 Iterator methodit=cn.getMethods();
441 while(methodit.hasNext()) {
442 /* Classify parameters */
443 MethodDescriptor md=(MethodDescriptor)methodit.next();
444 FlatMethod fm=state.getMethodFlat(md);
445 if (!md.getModifiers().isNative()) {
446 generateFlatMethod(fm, null, outmethod);
453 protected void outputStructs(PrintWriter outstructs) {
454 outstructs.println("#ifndef STRUCTDEFS_H");
455 outstructs.println("#define STRUCTDEFS_H");
456 outstructs.println("#include \"classdefs.h\"");
457 outstructs.println("#ifndef INTPTR");
458 outstructs.println("#ifdef BIT64");
459 outstructs.println("#define INTPTR long");
460 outstructs.println("#else");
461 outstructs.println("#define INTPTR int");
462 outstructs.println("#endif");
463 outstructs.println("#endif");
465 /* Output #defines that the runtime uses to determine type
466 * numbers for various objects it needs */
467 outstructs.println("#define MAXCOUNT "+maxcount);
468 if (state.DSM||state.SINGLETM) {
469 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
471 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
472 else if (state.SINGLETM)
473 lb.setGlobalThis(LocalityAnalysis.NORMAL);
474 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
477 outstructs.println("#define STRINGARRAYTYPE "+
478 (state.getArrayNumber(
479 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
481 outstructs.println("#define OBJECTARRAYTYPE "+
482 (state.getArrayNumber(
483 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
486 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
487 outstructs.println("#define CHARARRAYTYPE "+
488 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
490 outstructs.println("#define BYTEARRAYTYPE "+
491 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
493 outstructs.println("#define BYTEARRAYARRAYTYPE "+
494 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
496 outstructs.println("#define NUMCLASSES "+state.numClasses());
497 int totalClassSize = state.numClasses() + state.numArrays();
498 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
500 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
501 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
502 outstructs.println("#define TAGARRAYTYPE "+
503 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
507 protected void outputClassDeclarations(PrintWriter outclassdefs) {
508 if (state.THREAD||state.DSM||state.SINGLETM)
509 outclassdefs.println("#include <pthread.h>");
510 outclassdefs.println("#ifndef INTPTR");
511 outclassdefs.println("#ifdef BIT64");
512 outclassdefs.println("#define INTPTR long");
513 outclassdefs.println("#else");
514 outclassdefs.println("#define INTPTR int");
515 outclassdefs.println("#endif");
516 outclassdefs.println("#endif");
518 outclassdefs.println("#include \"optionalstruct.h\"");
519 outclassdefs.println("struct "+arraytype+";");
520 /* Start by declaring all structs */
521 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
522 while(it.hasNext()) {
523 ClassDescriptor cn=(ClassDescriptor)it.next();
524 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
526 outclassdefs.println("");
527 //Print out definition for array type
528 outclassdefs.println("struct "+arraytype+" {");
529 outclassdefs.println(" int type;");
531 outclassdefs.println(" pthread_t tid;");
532 outclassdefs.println(" void * lockentry;");
533 outclassdefs.println(" int lockcount;");
536 outclassdefs.println(" int flag;");
537 if(!state.MULTICORE) {
538 outclassdefs.println(" void * flagptr;");
540 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
541 outclassdefs.println(" int version;");
542 outclassdefs.println(" struct ___Object___ * original;");
543 //outclassdefs.println(" int numlocks;"); // array for locks
544 outclassdefs.println(" int * lock;");
547 outclassdefs.println(" int numfses;");
548 outclassdefs.println(" int * fses;");
551 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
553 outclassdefs.println(" int ___length___;");
554 outclassdefs.println("};\n");
555 outclassdefs.println("extern int classsize[];");
556 outclassdefs.println("extern int hasflags[];");
557 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
558 outclassdefs.println("extern int supertypes[];");
561 /** Prints out definitions for generic task structures */
563 private void outputTaskTypes(PrintWriter outtask) {
564 outtask.println("#ifndef _TASK_H");
565 outtask.println("#define _TASK_H");
566 outtask.println("struct parameterdescriptor {");
567 outtask.println("int type;");
568 outtask.println("int numberterms;");
569 outtask.println("int *intarray;");
570 outtask.println("void * queue;");
571 outtask.println("int numbertags;");
572 outtask.println("int *tagarray;");
573 outtask.println("};");
575 outtask.println("struct taskdescriptor {");
576 outtask.println("void * taskptr;");
577 outtask.println("int numParameters;");
578 outtask.println(" int numTotal;");
579 outtask.println("struct parameterdescriptor **descriptorarray;");
580 outtask.println("char * name;");
581 outtask.println("};");
582 outtask.println("extern struct taskdescriptor * taskarray[];");
583 outtask.println("extern numtasks;");
584 outtask.println("#endif");
588 private void buildRepairStructs(PrintWriter outrepairstructs) {
589 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
590 while(classit.hasNext()) {
591 ClassDescriptor cn=(ClassDescriptor)classit.next();
592 outrepairstructs.println("structure "+cn.getSymbol()+" {");
593 outrepairstructs.println(" int __type__;");
595 outrepairstructs.println(" int __flag__;");
596 if(!state.MULTICORE) {
597 outrepairstructs.println(" int __flagptr__;");
600 printRepairStruct(cn, outrepairstructs);
601 outrepairstructs.println("}\n");
604 for(int i=0; i<state.numArrays(); i++) {
605 TypeDescriptor tdarray=arraytable[i];
606 TypeDescriptor tdelement=tdarray.dereference();
607 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
608 outrepairstructs.println(" int __type__;");
609 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
610 outrepairstructs.println(" int length;");
612 // Need to add support to repair tool for this
613 if (tdelement.isClass()||tdelement.isArray())
614 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
616 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
618 outrepairstructs.println("}\n");
622 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
623 ClassDescriptor sp=cn.getSuperDesc();
625 printRepairStruct(sp, output);
627 Vector fields=(Vector)fieldorder.get(cn);
629 for(int i=0; i<fields.size(); i++) {
630 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
631 if (fd.getType().isArray()) {
632 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
633 } else if (fd.getType().isClass())
634 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
635 else if (fd.getType().isFloat())
636 output.println(" int "+fd.getSymbol()+"; /* really float */");
638 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
642 /** This method outputs TaskDescriptor information */
643 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
644 for (int i=0; i<task.numParameters(); i++) {
645 VarDescriptor param_var=task.getParameter(i);
646 TypeDescriptor param_type=task.getParamType(i);
647 FlagExpressionNode param_flag=task.getFlag(param_var);
648 TagExpressionList param_tag=task.getTag(param_var);
651 if (param_flag==null) {
652 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
653 output.println("0x0, 0x0 };");
656 DNFFlag dflag=param_flag.getDNF();
657 dnfterms=dflag.size();
659 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
660 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
661 for(int j=0; j<dflag.size(); j++) {
664 Vector term=dflag.get(j);
667 for(int k=0; k<term.size(); k++) {
668 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
669 FlagDescriptor fd=dfa.getFlag();
670 boolean negated=dfa.getNegated();
671 int flagid=1<<((Integer)flags.get(fd)).intValue();
676 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
678 output.println("};");
681 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
682 //BUG...added next line to fix, test with any task program
684 for(int j=0; j<param_tag.numTags(); j++) {
687 /* for each tag we need */
688 /* which slot it is */
689 /* what type it is */
690 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
691 TempDescriptor tmp=param_tag.getTemp(j);
692 int slot=fm.getTagInt(tmp);
693 output.println(slot+", "+state.getTagId(tvd.getTag()));
695 output.println("};");
697 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
698 output.println("/* type */"+param_type.getClassDesc().getId()+",");
699 output.println("/* number of DNF terms */"+dnfterms+",");
700 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
701 output.println("0,");
702 //BUG, added next line to fix and else statement...test
703 //with any task program
705 output.println("/* number of tags */"+param_tag.numTags()+",");
707 output.println("/* number of tags */ 0,");
708 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
709 output.println("};");
713 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
714 for (int i=0; i<task.numParameters(); i++) {
717 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
719 output.println("};");
721 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
722 output.println("&"+task.getSafeSymbol()+",");
723 output.println("/* number of parameters */" +task.numParameters() + ",");
724 int numtotal=task.numParameters()+fm.numTags();
725 output.println("/* number total parameters */" +numtotal + ",");
726 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
727 output.println("\""+task.getSymbol()+"\"");
728 output.println("};");
732 /** The buildVirtualTables method outputs the virtual dispatch
733 * tables for methods. */
735 protected void buildVirtualTables(PrintWriter outvirtual) {
736 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
737 while(classit.hasNext()) {
738 ClassDescriptor cd=(ClassDescriptor)classit.next();
739 if (virtualcalls.getMethodCount(cd)>maxcount)
740 maxcount=virtualcalls.getMethodCount(cd);
742 MethodDescriptor[][] virtualtable=null;
743 LocalityBinding[][] lbvirtualtable=null;
744 if (state.DSM||state.SINGLETM)
745 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
747 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
749 /* Fill in virtual table */
750 classit=state.getClassSymbolTable().getDescriptorsIterator();
751 while(classit.hasNext()) {
752 ClassDescriptor cd=(ClassDescriptor)classit.next();
753 if (state.DSM||state.SINGLETM)
754 fillinRow(cd, lbvirtualtable, cd.getId());
756 fillinRow(cd, virtualtable, cd.getId());
759 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
760 Iterator arrayit=state.getArrayIterator();
761 while(arrayit.hasNext()) {
762 TypeDescriptor td=(TypeDescriptor)arrayit.next();
763 int id=state.getArrayNumber(td);
764 if (state.DSM||state.SINGLETM)
765 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
767 fillinRow(objectcd, virtualtable, id+state.numClasses());
770 outvirtual.print("void * virtualtable[]={");
771 boolean needcomma=false;
772 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
773 for(int j=0; j<maxcount; j++) {
775 outvirtual.print(", ");
776 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
777 LocalityBinding lb=lbvirtualtable[i][j];
778 MethodDescriptor md=lb.getMethod();
779 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
780 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
781 MethodDescriptor md=virtualtable[i][j];
782 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
784 outvirtual.print("0");
788 outvirtual.println("");
790 outvirtual.println("};");
794 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
795 /* Get inherited methods */
796 if (cd.getSuperDesc()!=null)
797 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
798 /* Override them with our methods */
799 for(Iterator it=cd.getMethods(); it.hasNext();) {
800 MethodDescriptor md=(MethodDescriptor)it.next();
801 if (md.isStatic()||md.getReturnType()==null)
803 int methodnum=virtualcalls.getMethodNumber(md);
804 virtualtable[rownum][methodnum]=md;
808 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
809 /* Get inherited methods */
810 if (cd.getSuperDesc()!=null)
811 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
812 /* Override them with our methods */
813 if (locality.getClassBindings(cd)!=null)
814 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
815 LocalityBinding lb=lbit.next();
816 MethodDescriptor md=lb.getMethod();
817 //Is the method static or a constructor
818 if (md.isStatic()||md.getReturnType()==null)
820 int methodnum=virtualcalls.getLocalityNumber(lb);
821 virtualtable[rownum][methodnum]=lb;
825 /** Generate array that contains the sizes of class objects. The
826 * object allocation functions in the runtime use this
829 private void generateSizeArray(PrintWriter outclassdefs) {
830 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
831 outclassdefs.print("#ifdef TRANSSTATS \n");
832 outclassdefs.print("extern int numTransAbort;\n");
833 outclassdefs.print("extern int numTransCommit;\n");
834 outclassdefs.print("extern int nSoftAbort;\n");
836 outclassdefs.print("extern int nchashSearch;\n");
837 outclassdefs.print("extern int nmhashSearch;\n");
838 outclassdefs.print("extern int nprehashSearch;\n");
839 outclassdefs.print("extern int nRemoteSend;\n");
840 outclassdefs.print("extern int bytesSent;\n");
841 outclassdefs.print("extern int bytesRecv;\n");
842 outclassdefs.print("extern void handle();\n");
843 } else if (state.SINGLETM) {
844 outclassdefs.println("extern int nSoftAbortAbort;");
845 outclassdefs.println("extern int nSoftAbortCommit;");
846 outclassdefs.println("#ifdef STMSTATS\n");
847 outclassdefs.println("extern int typesCausingAbort[];");
848 outclassdefs.println("#endif\n");
850 outclassdefs.print("#endif\n");
851 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
853 outclassdefs.print("int classsize[]={");
854 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
855 cdarray=new ClassDescriptor[state.numClasses()];
856 while(it.hasNext()) {
857 ClassDescriptor cd=(ClassDescriptor)it.next();
858 cdarray[cd.getId()]=cd;
860 boolean needcomma=false;
861 for(int i=0; i<state.numClasses(); i++) {
863 outclassdefs.print(", ");
864 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
869 arraytable=new TypeDescriptor[state.numArrays()];
871 Iterator arrayit=state.getArrayIterator();
872 while(arrayit.hasNext()) {
873 TypeDescriptor td=(TypeDescriptor)arrayit.next();
874 int id=state.getArrayNumber(td);
878 for(int i=0; i<state.numArrays(); i++) {
880 outclassdefs.print(", ");
881 TypeDescriptor tdelement=arraytable[i].dereference();
882 if (tdelement.isArray()||tdelement.isClass())
883 outclassdefs.print("sizeof(void *)");
885 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
889 outclassdefs.println("};");
891 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
893 outclassdefs.print("int typearray[]={");
894 for(int i=0; i<state.numClasses(); i++) {
895 ClassDescriptor cd=cdarray[i];
896 ClassDescriptor supercd=cd.getSuperDesc();
898 outclassdefs.print(", ");
900 outclassdefs.print("-1");
902 outclassdefs.print(supercd.getId());
906 for(int i=0; i<state.numArrays(); i++) {
907 TypeDescriptor arraytd=arraytable[i];
908 ClassDescriptor arraycd=arraytd.getClassDesc();
911 outclassdefs.print(", ");
912 outclassdefs.print(objectclass.getId());
916 ClassDescriptor cd=arraycd.getSuperDesc();
919 TypeDescriptor supertd=new TypeDescriptor(cd);
920 supertd.setArrayCount(arraytd.getArrayCount());
921 type=state.getArrayNumber(supertd);
923 type+=state.numClasses();
926 cd=cd.getSuperDesc();
929 outclassdefs.print(", ");
930 outclassdefs.print(type);
934 outclassdefs.println("};");
939 outclassdefs.print("int typearray2[]={");
940 for(int i=0; i<state.numArrays(); i++) {
941 TypeDescriptor arraytd=arraytable[i];
942 ClassDescriptor arraycd=arraytd.getClassDesc();
945 outclassdefs.print(", ");
946 outclassdefs.print("-1");
950 ClassDescriptor cd=arraycd.getSuperDesc();
951 int level=arraytd.getArrayCount()-1;
953 for(; level>0; level--) {
954 TypeDescriptor supertd=new TypeDescriptor(objectclass);
955 supertd.setArrayCount(level);
956 type=state.getArrayNumber(supertd);
958 type+=state.numClasses();
963 outclassdefs.print(", ");
964 outclassdefs.print(type);
968 outclassdefs.println("};");
971 /** Constructs params and temp objects for each method or task.
972 * These objects tell the compiler which temps need to be
975 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
976 MethodDescriptor md=fm.getMethod();
977 TaskDescriptor task=fm.getTask();
978 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
979 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
981 paramstable.put(lb, objectparams);
982 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
984 paramstable.put(md, objectparams);
986 paramstable.put(task, objectparams);
988 for(int i=0; i<fm.numParameters(); i++) {
989 TempDescriptor temp=fm.getParameter(i);
990 TypeDescriptor type=temp.getType();
991 if (type.isPtr()&&GENERATEPRECISEGC)
992 objectparams.addPtr(temp);
994 objectparams.addPrim(temp);
995 if(lb!=null&&saveset.contains(temp)) {
996 backuptable.get(lb).put(temp, temp.createNew());
1000 for(int i=0; i<fm.numTags(); i++) {
1001 TempDescriptor temp=fm.getTag(i);
1002 if (GENERATEPRECISEGC)
1003 objectparams.addPtr(temp);
1005 objectparams.addPrim(temp);
1008 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1010 tempstable.put(lb, objecttemps);
1012 tempstable.put(md, objecttemps);
1014 tempstable.put(task, objecttemps);
1016 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
1017 FlatNode fn=(FlatNode)nodeit.next();
1018 TempDescriptor[] writes=fn.writesTemps();
1019 for(int i=0; i<writes.length; i++) {
1020 TempDescriptor temp=writes[i];
1021 TypeDescriptor type=temp.getType();
1022 if (type.isPtr()&&GENERATEPRECISEGC)
1023 objecttemps.addPtr(temp);
1025 objecttemps.addPrim(temp);
1026 if(lb!=null&&saveset.contains(temp)&&
1027 !backuptable.get(lb).containsKey(temp))
1028 backuptable.get(lb).put(temp, temp.createNew());
1032 /* Create backup temps */
1034 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
1035 TempDescriptor tmp=tmpit.next();
1036 TypeDescriptor type=tmp.getType();
1037 if (type.isPtr()&&GENERATEPRECISEGC)
1038 objecttemps.addPtr(tmp);
1040 objecttemps.addPrim(tmp);
1042 /* Create temp to hold revert table */
1043 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
1044 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
1045 if (GENERATEPRECISEGC)
1046 objecttemps.addPtr(reverttmp);
1048 objecttemps.addPrim(reverttmp);
1049 reverttable.put(lb, reverttmp);
1054 /** This method outputs the following information about classes
1056 * (1) For classes, what are the locations of pointers.
1057 * (2) For arrays, does the array contain pointers or primitives.
1058 * (3) For classes, does the class contain flags.
1061 private void generateLayoutStructs(PrintWriter output) {
1062 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1063 while(it.hasNext()) {
1064 ClassDescriptor cn=(ClassDescriptor)it.next();
1065 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1066 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1068 while(allit.hasNext()) {
1069 FieldDescriptor fd=(FieldDescriptor)allit.next();
1070 TypeDescriptor type=fd.getType();
1071 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1076 output.print(count);
1077 allit=cn.getFieldTable().getAllDescriptorsIterator();
1078 while(allit.hasNext()) {
1079 FieldDescriptor fd=(FieldDescriptor)allit.next();
1080 TypeDescriptor type=fd.getType();
1081 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1084 output.println(",");
1085 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
1088 output.println("};");
1090 output.println("unsigned INTPTR * pointerarray[]={");
1091 boolean needcomma=false;
1092 for(int i=0; i<state.numClasses(); i++) {
1093 ClassDescriptor cn=cdarray[i];
1095 output.println(",");
1097 output.print(cn.getSafeSymbol()+"_pointers");
1100 for(int i=0; i<state.numArrays(); i++) {
1102 output.println(", ");
1103 TypeDescriptor tdelement=arraytable[i].dereference();
1104 if (tdelement.isArray()||tdelement.isClass())
1105 output.print("((unsigned INTPTR *)1)");
1111 output.println("};");
1113 output.println("int hasflags[]={");
1114 for(int i=0; i<state.numClasses(); i++) {
1115 ClassDescriptor cn=cdarray[i];
1117 output.println(", ");
1124 output.println("};");
1127 /** Print out table to give us supertypes */
1128 private void generateSuperTypeTable(PrintWriter output) {
1129 output.println("int supertypes[]={");
1130 boolean needcomma=false;
1131 for(int i=0; i<state.numClasses(); i++) {
1132 ClassDescriptor cn=cdarray[i];
1134 output.println(",");
1136 if (cn.getSuperDesc()!=null) {
1137 ClassDescriptor cdsuper=cn.getSuperDesc();
1138 output.print(cdsuper.getId());
1142 output.println("};");
1145 /** Force consistent field ordering between inherited classes. */
1147 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
1149 ClassDescriptor sp=cn.getSuperDesc();
1151 printClassStruct(sp, classdefout);
1153 if (!fieldorder.containsKey(cn)) {
1154 Vector fields=new Vector();
1155 fieldorder.put(cn,fields);
1156 if (sp==null&&!state.TASK) {
1157 fields.add(cn.getFieldTable().get("cachedCode"));
1159 Iterator fieldit=cn.getFields();
1160 while(fieldit.hasNext()) {
1161 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
1162 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
1163 (!fd.getSymbol().equals("cachedCode")||state.TASK))
1167 Vector fields=(Vector)fieldorder.get(cn);
1169 for(int i=0; i<fields.size(); i++) {
1170 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1171 if (fd.getType().isClass()||fd.getType().isArray())
1172 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1174 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1179 /* Map flags to integers consistently between inherited
1182 protected void mapFlags(ClassDescriptor cn) {
1183 ClassDescriptor sp=cn.getSuperDesc();
1187 if (!flagorder.containsKey(cn)) {
1188 Hashtable flags=new Hashtable();
1189 flagorder.put(cn,flags);
1191 Hashtable superflags=(Hashtable)flagorder.get(sp);
1192 Iterator superflagit=superflags.keySet().iterator();
1193 while(superflagit.hasNext()) {
1194 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1195 Integer number=(Integer)superflags.get(fd);
1196 flags.put(fd, number);
1197 if ((number.intValue()+1)>max)
1198 max=number.intValue()+1;
1202 Iterator flagit=cn.getFlags();
1203 while(flagit.hasNext()) {
1204 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1205 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1206 flags.put(fd, new Integer(max++));
1212 /** This function outputs (1) structures that parameters are
1213 * passed in (when PRECISE GC is enabled) and (2) function
1214 * prototypes for the methods */
1216 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1217 /* Output class structure */
1218 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1219 classdefout.println(" int type;");
1221 classdefout.println(" pthread_t tid;");
1222 classdefout.println(" void * lockentry;");
1223 classdefout.println(" int lockcount;");
1227 classdefout.println(" int flag;");
1228 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1229 classdefout.println(" void * flagptr;");
1230 } else if (state.MULTICORE) {
1231 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1232 classdefout.println(" int version;");
1233 classdefout.println(" struct ___Object___ * original;");
1234 //classdefout.println(" int numlocks;"); // array for locks
1235 classdefout.println(" int * lock;");
1237 if (state.OPTIONAL) {
1238 classdefout.println(" int numfses;");
1239 classdefout.println(" int * fses;");
1242 printClassStruct(cn, classdefout);
1243 classdefout.println("};\n");
1245 if (state.DSM||state.SINGLETM) {
1246 /* Cycle through LocalityBindings */
1247 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1248 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1250 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1251 LocalityBinding lb=lbit.next();
1252 MethodDescriptor md=lb.getMethod();
1253 if (md.getModifiers().isNative()) {
1254 //make sure we only print a native method once
1255 if (nativemethods.contains(md)) {
1256 FlatMethod fm=state.getMethodFlat(md);
1257 generateTempStructs(fm, lb);
1260 nativemethods.add(md);
1262 generateMethod(cn, md, lb, headersout, output);
1265 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1266 MethodDescriptor md=(MethodDescriptor)methodit.next();
1267 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1268 //Need to build param structure for library code
1269 FlatMethod fm=state.getMethodFlat(md);
1270 generateTempStructs(fm, null);
1271 generateMethodParam(cn, md, null, output);
1276 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1277 MethodDescriptor md=(MethodDescriptor)methodit.next();
1278 generateMethod(cn, md, null, headersout, output);
1282 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1283 /* Output parameter structure */
1284 if (GENERATEPRECISEGC) {
1285 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1286 if ((state.DSM||state.SINGLETM)&&lb!=null)
1287 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1289 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1290 output.println(" INTPTR size;");
1291 output.println(" void * next;");
1292 for(int i=0; i<objectparams.numPointers(); i++) {
1293 TempDescriptor temp=objectparams.getPointer(i);
1294 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1296 output.println("};\n");
1301 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1302 FlatMethod fm=state.getMethodFlat(md);
1303 generateTempStructs(fm, lb);
1305 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1306 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1308 generateMethodParam(cn, md, lb, output);
1310 /* Output temp structure */
1311 if (GENERATEPRECISEGC) {
1312 if (state.DSM||state.SINGLETM)
1313 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1315 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1316 output.println(" INTPTR size;");
1317 output.println(" void * next;");
1318 for(int i=0; i<objecttemps.numPointers(); i++) {
1319 TempDescriptor temp=objecttemps.getPointer(i);
1320 if (temp.getType().isNull())
1321 output.println(" void * "+temp.getSafeSymbol()+";");
1323 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1325 output.println("};\n");
1328 /********* Output method declaration ***********/
1329 if (state.DSM||state.SINGLETM) {
1330 headersout.println("#define D"+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1332 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1334 /* First the return type */
1335 if (md.getReturnType()!=null) {
1336 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1337 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1339 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1341 //catch the constructor case
1342 headersout.print("void ");
1344 /* Next the method name */
1345 if (state.DSM||state.SINGLETM) {
1346 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1348 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1350 boolean printcomma=false;
1351 if (GENERATEPRECISEGC) {
1352 if (state.DSM||state.SINGLETM) {
1353 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1355 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1359 /* Output parameter list*/
1360 for(int i=0; i<objectparams.numPrimitives(); i++) {
1361 TempDescriptor temp=objectparams.getPrimitive(i);
1363 headersout.print(", ");
1365 if (temp.getType().isClass()||temp.getType().isArray())
1366 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1368 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1370 headersout.println(");\n");
1374 /** This function outputs (1) structures that parameters are
1375 * passed in (when PRECISE GC is enabled) and (2) function
1376 * prototypes for the tasks */
1378 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1379 /* Cycle through tasks */
1380 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1382 while(taskit.hasNext()) {
1383 /* Classify parameters */
1384 TaskDescriptor task=(TaskDescriptor)taskit.next();
1385 FlatMethod fm=state.getMethodFlat(task);
1386 generateTempStructs(fm, null);
1388 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1389 TempObject objecttemps=(TempObject) tempstable.get(task);
1391 /* Output parameter structure */
1392 if (GENERATEPRECISEGC) {
1393 output.println("struct "+task.getSafeSymbol()+"_params {");
1395 output.println(" INTPTR size;");
1396 output.println(" void * next;");
1397 for(int i=0; i<objectparams.numPointers(); i++) {
1398 TempDescriptor temp=objectparams.getPointer(i);
1399 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1402 output.println("};\n");
1403 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1404 maxtaskparams=objectparams.numPointers()+fm.numTags();
1408 /* Output temp structure */
1409 if (GENERATEPRECISEGC) {
1410 output.println("struct "+task.getSafeSymbol()+"_locals {");
1411 output.println(" INTPTR size;");
1412 output.println(" void * next;");
1413 for(int i=0; i<objecttemps.numPointers(); i++) {
1414 TempDescriptor temp=objecttemps.getPointer(i);
1415 if (temp.getType().isNull())
1416 output.println(" void * "+temp.getSafeSymbol()+";");
1417 else if(temp.getType().isTag())
1418 output.println(" struct "+
1419 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1421 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1423 output.println("};\n");
1426 /* Output task declaration */
1427 headersout.print("void " + task.getSafeSymbol()+"(");
1429 boolean printcomma=false;
1430 if (GENERATEPRECISEGC) {
1431 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1433 headersout.print("void * parameterarray[]");
1434 headersout.println(");\n");
1438 /***** Generate code for FlatMethod fm. *****/
1440 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1441 if (State.PRINTFLAT)
1442 System.out.println(fm.printMethod());
1443 MethodDescriptor md=fm.getMethod();
1445 TaskDescriptor task=fm.getTask();
1447 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1449 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1450 generateHeader(fm, lb, md!=null ? md : task,output);
1451 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1453 if (GENERATEPRECISEGC) {
1454 if (md!=null&&(state.DSM||state.SINGLETM))
1455 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1456 else if (md!=null&&!(state.DSM||state.SINGLETM))
1457 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1459 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1461 output.print(objecttemp.numPointers()+",");
1462 output.print(paramsprefix);
1463 for(int j=0; j<objecttemp.numPointers(); j++)
1464 output.print(", NULL");
1465 output.println("};");
1468 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1469 TempDescriptor td=objecttemp.getPrimitive(i);
1470 TypeDescriptor type=td.getType();
1472 output.println(" void * "+td.getSafeSymbol()+";");
1473 else if (type.isClass()||type.isArray())
1474 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1476 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1479 /* Check to see if we need to do a GC if this is a
1480 * multi-threaded program...*/
1482 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1483 //Don't bother if we aren't in recursive methods...The loops case will catch it
1484 if (callgraph.getAllMethods(md).contains(md)) {
1485 if (state.DSM&&lb.isAtomic())
1486 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1488 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1492 generateCode(fm.getNext(0), fm, lb, null, output);
1494 output.println("}\n\n");
1498 protected void generateMethodSESE(FlatSESEEnterNode fsen,
1501 PrintWriter output) {
1503 //output.println( "void _SESE"+fsen.getPrettyIdentifier()+
1505 //generateCode( fsen.getNext(0), fm, lb, fsen.getFlatExit(), output );
1506 //output.println( "}\n\n" );
1509 output.println("struct sese"+faen.getPrettyIdentifier()+"in {");
1510 Iterator<TempDescriptor> itr = faen.getInVarSet().iterator();
1511 while( itr.hasNext() ) {
1512 TempDescriptor td = itr.next();
1513 output.println(" "+td+";");
1515 output.println("}");
1517 output.println("struct sese"+faen.getPrettyIdentifier()+"out {");
1518 itr = faen.getOutVarSet().iterator();
1519 while( itr.hasNext() ) {
1520 TempDescriptor td = itr.next();
1521 output.println(" "+td+";");
1523 output.println("}");
1529 protected void generateCode(FlatNode first,
1532 FlatSESEExitNode stop,
1533 PrintWriter output) {
1535 /* Assign labels to FlatNode's if necessary.*/
1536 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(first);
1538 /* Do the actual code generation */
1539 FlatNode current_node=null;
1540 HashSet tovisit=new HashSet();
1541 HashSet visited=new HashSet();
1543 while(current_node!=null||!tovisit.isEmpty()) {
1544 if (current_node==null) {
1545 current_node=(FlatNode)tovisit.iterator().next();
1546 tovisit.remove(current_node);
1547 } else if (tovisit.contains(current_node)) {
1548 tovisit.remove(current_node);
1550 if(current_node==stop) {
1553 visited.add(current_node);
1554 if (nodetolabel.containsKey(current_node))
1555 output.println("L"+nodetolabel.get(current_node)+":");
1556 if (state.INSTRUCTIONFAILURE) {
1557 if (state.THREAD||state.DSM||state.SINGLETM) {
1558 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1560 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1562 if (current_node.numNext()==0) {
1564 generateFlatNode(fm, lb, current_node, output);
1565 if (current_node.kind()!=FKind.FlatReturnNode) {
1566 output.println(" return;");
1569 } else if(current_node.numNext()==1) {
1571 if (state.MLP && current_node.kind()==FKind.FlatSESEEnterNode) {
1572 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
1574 setSESEtoGen.add(fsen);
1575 fsen.setEnclosingFlatMeth(fm);
1577 nextnode=fsen.getFlatExit().getNext(0);
1580 generateFlatNode(fm, lb, current_node, output);
1581 nextnode=current_node.getNext(0);
1583 if (visited.contains(nextnode)) {
1584 output.println("goto L"+nodetolabel.get(nextnode)+";");
1587 current_node=nextnode;
1588 } else if (current_node.numNext()==2) {
1591 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1592 if (!visited.contains(current_node.getNext(1)))
1593 tovisit.add(current_node.getNext(1));
1594 if (visited.contains(current_node.getNext(0))) {
1595 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1598 current_node=current_node.getNext(0);
1599 } else throw new Error();
1604 /** This method assigns labels to FlatNodes */
1606 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first) {
1607 HashSet tovisit=new HashSet();
1608 HashSet visited=new HashSet();
1610 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1613 /*Assign labels first. A node needs a label if the previous
1614 * node has two exits or this node is a join point. */
1616 while(!tovisit.isEmpty()) {
1617 FlatNode fn=(FlatNode)tovisit.iterator().next();
1620 for(int i=0; i<fn.numNext(); i++) {
1621 FlatNode nn=fn.getNext(i);
1623 //1) Edge >1 of node
1624 nodetolabel.put(nn,new Integer(labelindex++));
1626 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1630 nodetolabel.put(nn,new Integer(labelindex++));
1638 /** Generate text string that corresponds to the TempDescriptor td. */
1639 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1640 MethodDescriptor md=fm.getMethod();
1641 TaskDescriptor task=fm.getTask();
1642 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1643 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1644 //System.out.println("generateTemp returns " + td.getSafeSymbol());
1645 return td.getSafeSymbol();
1648 if (objecttemps.isLocalPtr(td)) {
1649 return localsprefix+"."+td.getSafeSymbol();
1652 if (objecttemps.isParamPtr(td)) {
1653 return paramsprefix+"->"+td.getSafeSymbol();
1658 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1660 case FKind.FlatAtomicEnterNode:
1661 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1664 case FKind.FlatAtomicExitNode:
1665 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1668 case FKind.FlatInstanceOfNode:
1669 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
1672 case FKind.FlatSESEEnterNode:
1676 case FKind.FlatSESEExitNode:
1680 case FKind.FlatGlobalConvNode:
1681 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1684 case FKind.FlatTagDeclaration:
1685 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1688 case FKind.FlatCall:
1689 generateFlatCall(fm, lb, (FlatCall) fn,output);
1692 case FKind.FlatFieldNode:
1693 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1696 case FKind.FlatElementNode:
1697 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1700 case FKind.FlatSetElementNode:
1701 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1704 case FKind.FlatSetFieldNode:
1705 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1709 generateFlatNew(fm, lb, (FlatNew) fn,output);
1712 case FKind.FlatOpNode:
1713 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1716 case FKind.FlatCastNode:
1717 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1720 case FKind.FlatLiteralNode:
1721 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1724 case FKind.FlatReturnNode:
1725 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1729 output.println("/* nop */");
1732 case FKind.FlatExit:
1733 output.println("/* exit */");
1736 case FKind.FlatBackEdge:
1737 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1738 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1739 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1741 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1743 output.println("/* nop */");
1746 case FKind.FlatCheckNode:
1747 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1750 case FKind.FlatFlagActionNode:
1751 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1754 case FKind.FlatPrefetchNode:
1755 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1758 case FKind.FlatOffsetNode:
1759 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
1765 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
1766 output.println("/* FlatOffsetNode */");
1767 FieldDescriptor fd=fofn.getField();
1768 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+");");
1769 output.println("/* offset */");
1772 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1773 if (state.PREFETCH) {
1774 Vector oids = new Vector();
1775 Vector fieldoffset = new Vector();
1776 Vector endoffset = new Vector();
1777 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1778 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
1779 PrefetchPair pp = (PrefetchPair) it.next();
1780 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1781 /* Find prefetches that can generate oid */
1782 if(statusbase == LocalityAnalysis.GLOBAL) {
1783 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1785 } else if (statusbase == LocalityAnalysis.LOCAL) {
1786 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1793 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
1794 output.println("{");
1795 output.println("/* prefetch */");
1796 output.println("/* prefetchid_" + fpn.siteid + " */");
1797 output.println("void * prefptr;");
1798 output.println("int tmpindex;");
1800 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1801 /*Create C code for oid array */
1802 output.print(" unsigned int oidarray_[] = {");
1803 boolean needcomma=false;
1804 for (Iterator it = oids.iterator(); it.hasNext();) {
1807 output.print(it.next());
1810 output.println("};");
1812 /*Create C code for endoffset values */
1813 output.print(" unsigned short endoffsetarry_[] = {");
1815 for (Iterator it = endoffset.iterator(); it.hasNext();) {
1818 output.print(it.next());
1821 output.println("};");
1823 /*Create C code for Field Offset Values */
1824 output.print(" short fieldarry_[] = {");
1826 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
1829 output.print(it.next());
1832 output.println("};");
1833 /* make the prefetch call to Runtime */
1834 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1835 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1836 output.println(" }");
1837 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1838 output.println(" } else {");
1839 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1840 output.println(" }");
1841 output.println("}");
1845 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1846 short offsetcount = 0;
1850 } else if (localbase) {
1851 for(; breakindex<pp.desc.size(); breakindex++) {
1852 Descriptor desc=pp.getDescAt(breakindex);
1853 if (desc instanceof FieldDescriptor) {
1854 FieldDescriptor fd=(FieldDescriptor)desc;
1855 if (fd.isGlobal()) {
1863 if (breakindex>pp.desc.size()) //all local
1866 TypeDescriptor lasttype=pp.base.getType();
1867 String basestr=generateTemp(fm, pp.base, lb);
1869 boolean maybenull=fm.getMethod().isStatic()||
1870 !pp.base.equals(fm.getParameter(0));
1872 for(int i=0; i<breakindex; i++) {
1873 String indexcheck="";
1875 Descriptor desc=pp.getDescAt(i);
1876 if (desc instanceof FieldDescriptor) {
1877 FieldDescriptor fd=(FieldDescriptor)desc;
1879 if (!teststr.equals(""))
1881 teststr+="((prefptr="+basestr+")!=NULL)";
1882 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
1884 basestr=basestr+"->"+fd.getSafeSymbol();
1887 lasttype=fd.getType();
1889 IndexDescriptor id=(IndexDescriptor)desc;
1890 indexcheck="((tmpindex=";
1891 for(int j=0; j<id.tddesc.size(); j++) {
1892 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
1894 indexcheck+=id.offset+")>=0)&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
1896 if (!teststr.equals(""))
1898 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
1899 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
1901 lasttype=lasttype.dereference();
1906 if (teststr.equals("")) {
1907 oid="((unsigned int)"+basestr+")";
1909 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
1913 for(int i = breakindex; i < pp.desc.size(); i++) {
1914 String newfieldoffset;
1915 Object desc = pp.getDescAt(i);
1916 if(desc instanceof FieldDescriptor) {
1917 FieldDescriptor fd=(FieldDescriptor)desc;
1918 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
1919 lasttype=fd.getType();
1921 newfieldoffset = "";
1922 IndexDescriptor id=(IndexDescriptor)desc;
1923 for(int j = 0; j < id.tddesc.size(); j++) {
1924 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
1926 newfieldoffset += id.offset.toString();
1927 lasttype=lasttype.dereference();
1929 fieldoffset.add(newfieldoffset);
1932 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
1933 base+=pp.desc.size()-breakindex;
1934 endoffset.add(new Short((short)base));
1939 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1940 if (lb!=fgcn.getLocality())
1942 /* Have to generate flat globalconv */
1943 if (fgcn.getMakePtr()) {
1945 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1947 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1950 /* Need to convert to OID */
1951 if (fgcn.doConvert()) {
1952 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1954 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
1959 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
1961 if (fion.getType().isArray()) {
1962 type=state.getArrayNumber(fion.getType())+state.numClasses();
1964 type=fion.getType().getClassDesc().getId();
1967 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
1968 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
1970 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
1973 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1974 /* Check to see if we need to generate code for this atomic */
1975 if (locality==null||locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1977 /* Backup the temps. */
1978 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1979 TempDescriptor tmp=tmpit.next();
1980 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1983 output.println("goto transstart"+faen.getIdentifier()+";");
1985 /******* Print code to retry aborted transaction *******/
1986 output.println("transretry"+faen.getIdentifier()+":");
1989 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1990 TempDescriptor tmp=tmpit.next();
1991 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
1995 /********* Need to revert local object store ********/
1996 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1998 output.println("while ("+revertptr+") {");
1999 output.println("struct ___Object___ * tmpptr;");
2000 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2001 output.println("REVERT_OBJ("+revertptr+");");
2002 output.println(revertptr+"=tmpptr;");
2003 output.println("}");
2005 /******* Tell the runtime to start the transaction *******/
2007 output.println("transstart"+faen.getIdentifier()+":");
2008 output.println("transStart();");
2010 if (state.ABORTREADERS) {
2011 output.println("if (_setjmp(aborttrans)) {");
2012 output.println(" goto transretry"+faen.getIdentifier()+"; }");
2016 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
2017 /* Check to see if we need to generate code for this atomic */
2018 if (locality==null||locality.getAtomic(lb).get(faen).intValue()>0)
2020 //store the revert list before we lose the transaction object
2021 String revertptr=null;
2023 revertptr=generateTemp(fm, reverttable.get(lb),lb);
2024 output.println(revertptr+"=revertlist;");
2026 output.println("if (transCommit()) {");
2027 /* Transaction aborts if it returns true */
2028 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2030 output.println("} else {");
2031 /* Need to commit local object store */
2032 output.println("while ("+revertptr+") {");
2033 output.println("struct ___Object___ * tmpptr;");
2034 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2035 output.println("COMMIT_OBJ("+revertptr+");");
2036 output.println(revertptr+"=tmpptr;");
2037 output.println("}");
2039 output.println("}");
2043 public void generateSESE(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
2048 public void generateFlatSESEEnterNode(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
2051 public void generateFlatSESEExitNode(FlatMethod fm, LocalityBinding lb, FlatSESEExitNode faen, PrintWriter output) {
2052 //output.println("mlpNotifyExit( (struct SESE*)0 );");
2055 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
2056 if (state.CONSCHECK) {
2057 String specname=fcn.getSpec();
2058 String varname="repairstate___";
2059 output.println("{");
2060 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2062 TempDescriptor[] temps=fcn.getTemps();
2063 String[] vars=fcn.getVars();
2064 for(int i=0; i<temps.length; i++) {
2065 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
2068 output.println("if (doanalysis"+specname+"("+varname+")) {");
2069 output.println("free"+specname+"_state("+varname+");");
2070 output.println("} else {");
2071 output.println("/* Bad invariant */");
2072 output.println("free"+specname+"_state("+varname+");");
2073 output.println("abort_task();");
2074 output.println("}");
2075 output.println("}");
2079 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
2080 MethodDescriptor md=fc.getMethod();
2081 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM||state.SINGLETM ? locality.getBinding(lb, fc) : md);
2082 ClassDescriptor cn=md.getClassDesc();
2083 output.println("{");
2084 if (GENERATEPRECISEGC) {
2085 if (state.DSM||state.SINGLETM) {
2086 LocalityBinding fclb=locality.getBinding(lb, fc);
2087 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2089 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2091 output.print(objectparams.numPointers());
2092 output.print(", & "+localsprefix);
2093 if (md.getThis()!=null) {
2095 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
2097 if (fc.getThis()!=null&&md.getThis()==null) {
2098 System.out.println("WARNING!!!!!!!!!!!!");
2099 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2103 for(int i=0; i<fc.numArgs(); i++) {
2104 Descriptor var=md.getParameter(i);
2105 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2106 if (objectparams.isParamPtr(paramtemp)) {
2107 TempDescriptor targ=fc.getArg(i);
2109 TypeDescriptor td=md.getParamType(i);
2111 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2113 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2116 output.println("};");
2121 if (fc.getReturnTemp()!=null)
2122 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
2124 /* Do we need to do virtual dispatch? */
2125 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
2127 if (state.DSM||state.SINGLETM) {
2128 LocalityBinding fclb=locality.getBinding(lb, fc);
2129 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2131 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2136 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2137 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2139 output.print(md.getReturnType().getSafeSymbol()+" ");
2140 output.print("(*)(");
2142 boolean printcomma=false;
2143 if (GENERATEPRECISEGC) {
2144 if (state.DSM||state.SINGLETM) {
2145 LocalityBinding fclb=locality.getBinding(lb, fc);
2146 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2148 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2152 for(int i=0; i<objectparams.numPrimitives(); i++) {
2153 TempDescriptor temp=objectparams.getPrimitive(i);
2157 if (temp.getType().isClass()||temp.getType().isArray())
2158 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2160 output.print(temp.getType().getSafeSymbol());
2164 if (state.DSM||state.SINGLETM) {
2165 LocalityBinding fclb=locality.getBinding(lb, fc);
2166 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
2168 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2172 boolean needcomma=false;
2173 if (GENERATEPRECISEGC) {
2174 output.print("&__parameterlist__");
2178 if (!GENERATEPRECISEGC) {
2179 if (fc.getThis()!=null) {
2180 TypeDescriptor ptd=md.getThis().getType();
2183 if (ptd.isClass()&&!ptd.isArray())
2184 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2185 output.print(generateTemp(fm,fc.getThis(),lb));
2190 for(int i=0; i<fc.numArgs(); i++) {
2191 Descriptor var=md.getParameter(i);
2192 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2193 if (objectparams.isParamPrim(paramtemp)) {
2194 TempDescriptor targ=fc.getArg(i);
2198 TypeDescriptor ptd=md.getParamType(i);
2199 if (ptd.isClass()&&!ptd.isArray())
2200 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2201 output.print(generateTemp(fm, targ,lb));
2205 output.println(");");
2206 output.println(" }");
2209 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2210 Set subclasses=typeutil.getSubClasses(thiscd);
2211 if (subclasses==null)
2213 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
2214 ClassDescriptor cd=(ClassDescriptor)classit.next();
2215 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
2216 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
2217 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2218 if (md.matches(matchmd))
2225 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
2226 if (state.SINGLETM) {
2227 //single machine transactional memory case
2228 String field=ffn.getField().getSafeSymbol();
2229 String src=generateTemp(fm, ffn.getSrc(),lb);
2230 String dst=generateTemp(fm, ffn.getDst(),lb);
2232 output.println(dst+"="+ src +"->"+field+ ";");
2233 if (ffn.getField().getType().isPtr()&&locality.getAtomic(lb).get(ffn).intValue()>0&&
2234 ((dc==null)||dc.getNeedTrans(lb, ffn))&&
2235 locality.getNodePreTempInfo(lb, ffn).get(ffn.getSrc())!=LocalityAnalysis.SCRATCH) {
2236 output.println("TRANSREAD("+dst+", "+dst+");");
2238 } else if (state.DSM) {
2239 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
2240 if (status==LocalityAnalysis.GLOBAL) {
2241 String field=ffn.getField().getSafeSymbol();
2242 String src=generateTemp(fm, ffn.getSrc(),lb);
2243 String dst=generateTemp(fm, ffn.getDst(),lb);
2245 if (ffn.getField().getType().isPtr()) {
2247 //TODO: Uncomment this when we have runtime support
2248 //if (ffn.getSrc()==ffn.getDst()) {
2249 //output.println("{");
2250 //output.println("void * temp="+src+";");
2251 //output.println("if (temp&0x1) {");
2252 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
2253 //output.println(src+"->"+field+"="+temp+";");
2254 //output.println("}");
2255 //output.println(dst+"=temp;");
2256 //output.println("}");
2258 output.println(dst+"="+ src +"->"+field+ ";");
2259 //output.println("if ("+dst+"&0x1) {");
2260 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2261 //output.println(src+"->"+field+"="+src+"->"+field+";");
2262 //output.println("}");
2265 output.println(dst+"="+ src+"->"+field+";");
2267 } else if (status==LocalityAnalysis.LOCAL) {
2268 if (ffn.getField().getType().isPtr()&&
2269 ffn.getField().isGlobal()) {
2270 String field=ffn.getField().getSafeSymbol();
2271 String src=generateTemp(fm, ffn.getSrc(),lb);
2272 String dst=generateTemp(fm, ffn.getDst(),lb);
2273 output.println(dst+"="+ src +"->"+field+ ";");
2274 if (locality.getAtomic(lb).get(ffn).intValue()>0)
2275 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2277 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2278 } else if (status==LocalityAnalysis.EITHER) {
2279 //Code is reading from a null pointer
2280 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
2281 output.println("#ifndef RAW");
2282 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2283 output.println("#endif");
2284 //This should throw a suitable null pointer error
2285 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2287 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2289 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2293 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
2294 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2295 throw new Error("Can't set array length");
2296 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2297 //Single Machine Transaction Case
2298 boolean srcptr=fsfn.getSrc().getType().isPtr();
2299 String src=generateTemp(fm,fsfn.getSrc(),lb);
2300 String dst=generateTemp(fm,fsfn.getDst(),lb);
2301 if (srcptr&&!fsfn.getSrc().getType().isNull()) {
2302 output.println("{");
2303 if ((dc==null)||dc.getNeedSrcTrans(lb, fsfn)&&
2304 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getSrc())!=LocalityAnalysis.SCRATCH) {
2305 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2307 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2310 if (wb.needBarrier(fsfn)&&
2311 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getDst())!=LocalityAnalysis.SCRATCH) {
2312 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
2314 if (srcptr&!fsfn.getSrc().getType().isNull()) {
2315 output.println("*((unsigned INTPTR *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2316 output.println("}");
2318 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2320 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2321 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
2322 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
2323 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2325 String src=generateTemp(fm,fsfn.getSrc(),lb);
2326 String dst=generateTemp(fm,fsfn.getDst(),lb);
2328 output.println("{");
2329 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2331 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2334 if (wb.needBarrier(fsfn))
2335 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2337 output.println("*((unsigned INTPTR *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2339 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2340 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2341 /** Check if we need to copy */
2342 output.println("if(!"+dst+"->"+localcopystr+") {");
2343 /* Link object into list */
2344 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2345 output.println(revertptr+"=revertlist;");
2346 if (GENERATEPRECISEGC)
2347 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2349 output.println("COPY_OBJ("+dst+");");
2350 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2351 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2352 output.println("}");
2354 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2356 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2357 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2358 //writing to a null...bad
2359 output.println("if ("+dst+") {");
2360 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2362 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2364 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2367 output.println("}");
2370 if (state.FASTCHECK) {
2371 String dst=generateTemp(fm, fsfn.getDst(),lb);
2372 output.println("if(!"+dst+"->"+localcopystr+") {");
2373 /* Link object into list */
2374 if (GENERATEPRECISEGC)
2375 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2377 output.println("COPY_OBJ("+dst+");");
2378 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2379 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2380 output.println("}");
2382 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2386 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2387 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2390 if (elementtype.isArray()||elementtype.isClass())
2393 type=elementtype.getSafeSymbol()+" ";
2395 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2396 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 | "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2397 output.println("failedboundschk();");
2399 if (state.SINGLETM) {
2400 //Single machine transaction case
2401 String dst=generateTemp(fm, fen.getDst(),lb);
2402 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2404 if (elementtype.isPtr()&&locality.getAtomic(lb).get(fen).intValue()>0&&
2405 ((dc==null)||dc.getNeedTrans(lb, fen))&&
2406 locality.getNodePreTempInfo(lb, fen).get(fen.getSrc())!=LocalityAnalysis.SCRATCH) {
2407 output.println("TRANSREAD("+dst+", "+dst+");");
2409 } else if (state.DSM) {
2410 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2411 if (status==LocalityAnalysis.GLOBAL) {
2412 String dst=generateTemp(fm, fen.getDst(),lb);
2414 if (elementtype.isPtr()) {
2415 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2416 output.println("TRANSREAD("+dst+", "+dst+");");
2418 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2420 } else if (status==LocalityAnalysis.LOCAL) {
2421 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2422 } else if (status==LocalityAnalysis.EITHER) {
2423 //Code is reading from a null pointer
2424 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2425 output.println("#ifndef RAW");
2426 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2427 output.println("#endif");
2428 //This should throw a suitable null pointer error
2429 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2431 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2433 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2437 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2438 //TODO: need dynamic check to make sure this assignment is actually legal
2439 //Because Object[] could actually be something more specific...ie. Integer[]
2441 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2444 if (elementtype.isArray()||elementtype.isClass())
2447 type=elementtype.getSafeSymbol()+" ";
2449 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2450 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 | "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2451 output.println("failedboundschk();");
2454 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2455 //Transaction set element case
2456 if (wb.needBarrier(fsen)&&
2457 locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH) {
2458 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
2460 if (fsen.getSrc().getType().isPtr()&&!fsen.getSrc().getType().isNull()) {
2461 output.println("{");
2462 String src=generateTemp(fm, fsen.getSrc(), lb);
2463 if ((dc==null)||dc.getNeedSrcTrans(lb, fsen)&&
2464 locality.getNodePreTempInfo(lb, fsen).get(fsen.getSrc())!=LocalityAnalysis.SCRATCH) {
2465 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2467 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2469 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2470 output.println("}");
2472 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2474 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2475 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2476 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2477 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2478 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2479 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2482 if (wb.needBarrier(fsen))
2483 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2484 } else if (dstlocal) {
2485 /** Check if we need to copy */
2486 String dst=generateTemp(fm, fsen.getDst(),lb);
2487 output.println("if(!"+dst+"->"+localcopystr+") {");
2488 /* Link object into list */
2489 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2490 output.println(revertptr+"=revertlist;");
2491 if (GENERATEPRECISEGC)
2492 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2494 output.println("COPY_OBJ("+dst+");");
2495 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2496 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2497 output.println("}");
2498 } else throw new Error("Unknown array type");
2500 output.println("{");
2501 String src=generateTemp(fm, fsen.getSrc(), lb);
2502 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2503 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2504 output.println("}");
2506 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2509 if (state.FASTCHECK) {
2510 String dst=generateTemp(fm, fsen.getDst(),lb);
2511 output.println("if(!"+dst+"->"+localcopystr+") {");
2512 /* Link object into list */
2513 if (GENERATEPRECISEGC)
2514 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2516 output.println("COPY_OBJ("+dst+");");
2517 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2518 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2519 output.println("}");
2521 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2525 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2526 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2527 //Stash pointer in case of GC
2528 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2529 output.println(revertptr+"=revertlist;");
2531 if (state.SINGLETM) {
2532 if (fn.getType().isArray()) {
2533 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2534 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2535 //inside transaction
2536 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2538 //outside transaction
2539 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2542 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2543 //inside transaction
2544 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2546 //outside transaction
2547 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2550 } else if (fn.getType().isArray()) {
2551 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2552 if (fn.isGlobal()&&(state.DSM||state.SINGLETM)) {
2553 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2554 } else if (GENERATEPRECISEGC) {
2555 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2557 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2560 if (fn.isGlobal()) {
2561 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
2562 } else if (GENERATEPRECISEGC) {
2563 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2565 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2568 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2569 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2570 String dst=generateTemp(fm,fn.getDst(),lb);
2571 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2572 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2573 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2575 if (state.FASTCHECK) {
2576 String dst=generateTemp(fm,fn.getDst(),lb);
2577 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2578 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2579 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2583 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2584 if (GENERATEPRECISEGC) {
2585 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2587 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2591 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2592 if (fon.getRight()!=null) {
2593 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2594 if (fon.getLeft().getType().isLong())
2595 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2597 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2600 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2601 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2602 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2603 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2604 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2605 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2606 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2607 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2608 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2609 else if (fon.getOp().getOp()==Operation.COMP)
2610 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2611 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2612 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2614 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2617 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2618 /* TODO: Do type check here */
2619 if (fcn.getType().isArray()) {
2621 } else if (fcn.getType().isClass())
2622 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2624 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2627 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2628 if (fln.getValue()==null)
2629 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2630 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2631 if (GENERATEPRECISEGC) {
2632 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2633 //Stash pointer in case of GC
2634 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2635 output.println(revertptr+"=revertlist;");
2637 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2638 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2639 //Stash pointer in case of GC
2640 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2641 output.println("revertlist="+revertptr+";");
2644 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2646 } else if (fln.getType().isBoolean()) {
2647 if (((Boolean)fln.getValue()).booleanValue())
2648 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2650 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2651 } else if (fln.getType().isChar()) {
2652 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2653 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2654 } else if (fln.getType().isLong()) {
2655 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2657 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2660 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2661 if (frn.getReturnTemp()!=null) {
2662 if (frn.getReturnTemp().getType().isPtr())
2663 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2665 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2667 output.println("return;");
2671 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2672 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2675 /** This method generates header information for the method or
2676 * task referenced by the Descriptor des. */
2678 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2680 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2681 MethodDescriptor md=null;
2682 TaskDescriptor task=null;
2683 if (des instanceof MethodDescriptor)
2684 md=(MethodDescriptor) des;
2686 task=(TaskDescriptor) des;
2688 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2690 if (md!=null&&md.getReturnType()!=null) {
2691 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2692 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2694 output.print(md.getReturnType().getSafeSymbol()+" ");
2696 //catch the constructor case
2697 output.print("void ");
2699 if (state.DSM||state.SINGLETM) {
2700 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2702 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2704 output.print(task.getSafeSymbol()+"(");
2706 boolean printcomma=false;
2707 if (GENERATEPRECISEGC) {
2709 if (state.DSM||state.SINGLETM) {
2710 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2712 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2714 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2720 for(int i=0; i<objectparams.numPrimitives(); i++) {
2721 TempDescriptor temp=objectparams.getPrimitive(i);
2725 if (temp.getType().isClass()||temp.getType().isArray())
2726 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2728 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2730 output.println(") {");
2731 } else if (!GENERATEPRECISEGC) {
2732 /* Imprecise Task */
2733 output.println("void * parameterarray[]) {");
2734 /* Unpack variables */
2735 for(int i=0; i<objectparams.numPrimitives(); i++) {
2736 TempDescriptor temp=objectparams.getPrimitive(i);
2737 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2739 for(int i=0; i<fm.numTags(); i++) {
2740 TempDescriptor temp=fm.getTag(i);
2741 int offset=i+objectparams.numPrimitives();
2742 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2745 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2746 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2747 } else output.println(") {");
2750 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2751 output.println("/* FlatFlagActionNode */");
2754 /* Process tag changes */
2755 Relation tagsettable=new Relation();
2756 Relation tagcleartable=new Relation();
2758 Iterator tagsit=ffan.getTempTagPairs();
2759 while (tagsit.hasNext()) {
2760 TempTagPair ttp=(TempTagPair) tagsit.next();
2761 TempDescriptor objtmp=ttp.getTemp();
2762 TagDescriptor tag=ttp.getTag();
2763 TempDescriptor tagtmp=ttp.getTagTemp();
2764 boolean tagstatus=ffan.getTagChange(ttp);
2766 tagsettable.put(objtmp, tagtmp);
2768 tagcleartable.put(objtmp, tagtmp);
2773 Hashtable flagandtable=new Hashtable();
2774 Hashtable flagortable=new Hashtable();
2776 /* Process flag changes */
2777 Iterator flagsit=ffan.getTempFlagPairs();
2778 while(flagsit.hasNext()) {
2779 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2780 TempDescriptor temp=tfp.getTemp();
2781 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2782 FlagDescriptor flag=tfp.getFlag();
2784 //Newly allocate objects that don't set any flags case
2785 if (flagortable.containsKey(temp)) {
2789 flagortable.put(temp,new Integer(mask));
2791 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2792 boolean flagstatus=ffan.getFlagChange(tfp);
2795 if (flagortable.containsKey(temp)) {
2796 mask=((Integer)flagortable.get(temp)).intValue();
2799 flagortable.put(temp,new Integer(mask));
2801 int mask=0xFFFFFFFF;
2802 if (flagandtable.containsKey(temp)) {
2803 mask=((Integer)flagandtable.get(temp)).intValue();
2805 mask&=(0xFFFFFFFF^flagid);
2806 flagandtable.put(temp,new Integer(mask));
2812 HashSet flagtagset=new HashSet();
2813 flagtagset.addAll(flagortable.keySet());
2814 flagtagset.addAll(flagandtable.keySet());
2815 flagtagset.addAll(tagsettable.keySet());
2816 flagtagset.addAll(tagcleartable.keySet());
2818 Iterator ftit=flagtagset.iterator();
2819 while(ftit.hasNext()) {
2820 TempDescriptor temp=(TempDescriptor)ftit.next();
2823 Set tagtmps=tagcleartable.get(temp);
2824 if (tagtmps!=null) {
2825 Iterator tagit=tagtmps.iterator();
2826 while(tagit.hasNext()) {
2827 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2828 if (GENERATEPRECISEGC)
2829 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2831 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2835 tagtmps=tagsettable.get(temp);
2836 if (tagtmps!=null) {
2837 Iterator tagit=tagtmps.iterator();
2838 while(tagit.hasNext()) {
2839 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2840 if (GENERATEPRECISEGC)
2841 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2843 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2848 int andmask=0xFFFFFFF;
2850 if (flagortable.containsKey(temp))
2851 ormask=((Integer)flagortable.get(temp)).intValue();
2852 if (flagandtable.containsKey(temp))
2853 andmask=((Integer)flagandtable.get(temp)).intValue();
2854 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2855 generateObjectDistribute(ffan, fm, lb, temp, output);
2859 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2860 PrintWriter output, int ormask, int andmask) {
2861 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2862 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2864 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2868 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2869 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
2872 void generateOptionalHeader(PrintWriter headers) {
2875 headers.println("#include \"task.h\"\n\n");
2876 headers.println("#ifndef _OPTIONAL_STRUCT_");
2877 headers.println("#define _OPTIONAL_STRUCT_");
2879 //STRUCT PREDICATEMEMBER
2880 headers.println("struct predicatemember{");
2881 headers.println("int type;");
2882 headers.println("int numdnfterms;");
2883 headers.println("int * flags;");
2884 headers.println("int numtags;");
2885 headers.println("int * tags;\n};\n\n");
2887 //STRUCT OPTIONALTASKDESCRIPTOR
2888 headers.println("struct optionaltaskdescriptor{");
2889 headers.println("struct taskdescriptor * task;");
2890 headers.println("int index;");
2891 headers.println("int numenterflags;");
2892 headers.println("int * enterflags;");
2893 headers.println("int numpredicatemembers;");
2894 headers.println("struct predicatemember ** predicatememberarray;");
2895 headers.println("};\n\n");
2897 //STRUCT TASKFAILURE
2898 headers.println("struct taskfailure {");
2899 headers.println("struct taskdescriptor * task;");
2900 headers.println("int index;");
2901 headers.println("int numoptionaltaskdescriptors;");
2902 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2904 //STRUCT FSANALYSISWRAPPER
2905 headers.println("struct fsanalysiswrapper{");
2906 headers.println("int flags;");
2907 headers.println("int numtags;");
2908 headers.println("int * tags;");
2909 headers.println("int numtaskfailures;");
2910 headers.println("struct taskfailure ** taskfailurearray;");
2911 headers.println("int numoptionaltaskdescriptors;");
2912 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2914 //STRUCT CLASSANALYSISWRAPPER
2915 headers.println("struct classanalysiswrapper{");
2916 headers.println("int type;");
2917 headers.println("int numotd;");
2918 headers.println("struct optionaltaskdescriptor ** otdarray;");
2919 headers.println("int numfsanalysiswrappers;");
2920 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2922 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2924 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2925 while(taskit.hasNext()) {
2926 TaskDescriptor td=(TaskDescriptor)taskit.next();
2927 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2932 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2933 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2934 int predicateindex = 0;
2935 //iterate through the classes concerned by the predicate
2936 Set c_vard = predicate.vardescriptors;
2937 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2940 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
2941 VarDescriptor vard = (VarDescriptor)vard_it.next();
2942 TypeDescriptor typed = vard.getType();
2944 //generate for flags
2945 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2946 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2948 if (fen_hashset!=null) {
2949 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
2950 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2952 DNFFlag dflag=fen.getDNF();
2953 numberterms+=dflag.size();
2955 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2957 for(int j=0; j<dflag.size(); j++) {
2959 output.println(",");
2960 Vector term=dflag.get(j);
2963 for(int k=0; k<term.size(); k++) {
2964 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2965 FlagDescriptor fd=dfa.getFlag();
2966 boolean negated=dfa.getNegated();
2967 int flagid=1<<((Integer)flags.get(fd)).intValue();
2972 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2977 output.println("};\n");
2980 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2981 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2984 for(int j=0; j<tagel.numTags(); j++) {
2986 output.println(",");
2987 TempDescriptor tmp=tagel.getTemp(j);
2988 if (!slotnumber.containsKey(tmp)) {
2989 Integer slotint=new Integer(current_slot++);
2990 slotnumber.put(tmp,slotint);
2992 int slot=slotnumber.get(tmp).intValue();
2993 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2995 numtags = tagel.numTags();
2997 output.println("};");
2999 //store the result into a predicatemember struct
3000 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3001 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3002 output.println("/* number of dnf terms */"+numberterms+",");
3003 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3004 output.println("/* number of tag */"+numtags+",");
3005 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3006 output.println("};\n");
3011 //generate an array that stores the entire predicate
3012 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3013 for( int j = 0; j<predicateindex; j++) {
3014 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3015 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3017 output.println("};\n");
3018 return predicateindex;
3022 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3023 generateOptionalHeader(headers);
3025 output.println("#include \"optionalstruct.h\"\n\n");
3026 output.println("#include \"stdlib.h\"\n");
3028 HashSet processedcd = new HashSet();
3030 Enumeration e = safeexecution.keys();
3031 while (e.hasMoreElements()) {
3034 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3035 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3037 //Generate the struct of optionals
3038 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3039 numotd = c_otd.size();
3040 if(maxotd<numotd) maxotd = numotd;
3041 if( !c_otd.isEmpty() ) {
3042 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3043 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3045 //generate the int arrays for the predicate
3046 Predicate predicate = otd.predicate;
3047 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3048 TreeSet<Integer> fsset=new TreeSet<Integer>();
3049 //iterate through possible FSes corresponding to
3050 //the state when entering
3052 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
3053 FlagState fs = (FlagState)fses.next();
3055 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3056 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3057 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3060 fsset.add(new Integer(flagid));
3061 //tag information not needed because tag
3062 //changes are not tolerated.
3065 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3066 boolean needcomma=false;
3067 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
3070 output.println(it.next());
3073 output.println("};\n");
3076 //generate optionaltaskdescriptor that actually
3077 //includes exit fses, predicate and the task
3079 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3080 output.println("&task_"+otd.td.getSafeSymbol()+",");
3081 output.println("/*index*/"+otd.getIndex()+",");
3082 output.println("/*number of enter flags*/"+fsset.size()+",");
3083 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3084 output.println("/*number of members */"+predicateindex+",");
3085 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3086 output.println("};\n");
3090 // if there are no optionals, there is no need to build the rest of the struct
3092 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3093 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3094 if( !c_otd.isEmpty() ) {
3095 boolean needcomma=false;
3096 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3097 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3099 output.println(",");
3101 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3104 output.println("};\n");
3106 //get all the possible flagstates reachable by an object
3107 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3109 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3110 fsts.addAll(hashtbtemp.keySet());
3111 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
3112 FlagState fs = (FlagState)fsit.next();
3115 //get the set of OptionalTaskDescriptors corresponding
3116 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3117 //iterate through the OptionalTaskDescriptors and
3118 //store the pointers to the optionals struct (see on
3119 //top) into an array
3121 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3122 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
3123 OptionalTaskDescriptor mm = mos.next();
3125 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3127 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3130 output.println("};\n");
3132 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3135 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3136 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3137 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3141 //process tag information
3144 boolean first = true;
3145 Enumeration tag_enum = fs.getTags();
3146 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3147 while(tag_enum.hasMoreElements()) {
3149 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3153 output.println(", ");
3154 output.println("/*tagid*/"+state.getTagId(tagd));
3156 output.println("};");
3158 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3159 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3160 TaskIndex ti=itti.next();
3164 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3166 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3167 boolean needcomma=false;
3168 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
3169 OptionalTaskDescriptor otd=otdit.next();
3173 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3175 output.println("};");
3177 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3178 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3179 output.print(ti.getIndex()+", ");
3180 output.print(otdset.size()+", ");
3181 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3182 output.println("};");
3185 tiset=sa.getTaskIndex(fs);
3186 boolean needcomma=false;
3188 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3189 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3190 TaskIndex ti=itti.next();
3191 if (ti.isRuntime()) {
3198 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3200 output.println("};\n");
3202 //Store the result in fsanalysiswrapper
3204 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3205 output.println("/*flag*/"+flagid+",");
3206 output.println("/* number of tags*/"+tagcounter+",");
3207 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3208 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3209 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3210 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3211 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3212 output.println("};\n");
3216 //Build the array of fsanalysiswrappers
3217 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3218 boolean needcomma=false;
3219 for(int i = 0; i<fscounter; i++) {
3220 if (needcomma) output.print(",");
3221 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3224 output.println("};");
3226 //Build the classanalysiswrapper referring to the previous array
3227 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3228 output.println("/*type*/"+cdtemp.getId()+",");
3229 output.println("/*numotd*/"+numotd+",");
3230 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3231 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3232 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3233 processedcd.add(cdtemp);
3236 //build an array containing every classes for which code has been build
3237 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3238 for(int i=0; i<state.numClasses(); i++) {
3239 ClassDescriptor cn=cdarray[i];
3242 if (processedcd.contains(cn))
3243 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3245 output.print("NULL");
3247 output.println("};");
3249 output.println("#define MAXOTD "+maxotd);
3250 headers.println("#endif");
3253 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3254 Relation r=new Relation();
3255 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
3256 OptionalTaskDescriptor otd=otdit.next();
3257 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3261 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3262 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
3263 Set s=r.get(it.next());
3264 for(Iterator it2=s.iterator(); it2.hasNext();) {
3265 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3273 protected void outputTransCode(PrintWriter output) {