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.Prefetch.*;
22 import Analysis.Loops.WriteBarrier;
24 public class BuildCode {
27 Hashtable paramstable;
32 String localsprefix="___locals___";
33 String fcrevert="___fcrevert___";
34 String paramsprefix="___params___";
35 String oidstr="___nextobject___";
36 String nextobjstr="___nextobject___";
37 String localcopystr="___localcopy___";
38 public static boolean GENERATEPRECISEGC=false;
39 public static String PREFIX="";
40 public static String arraytype="ArrayObject";
41 public static int flagcount = 0;
44 protected int maxtaskparams=0;
45 private int maxcount=0;
46 ClassDescriptor[] cdarray;
47 TypeDescriptor[] arraytable;
48 LocalityAnalysis locality;
49 Hashtable<LocalityBinding, TempDescriptor> reverttable;
50 Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>> backuptable;
53 HashSet<FlatSESEEnterNode> setSESEtoGen;
54 boolean nonSESEpass=true;
59 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
60 this(st, temptovar, typeutil, null, sa, pa);
63 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
64 this(st, temptovar, typeutil, locality, null, pa);
67 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa) {
72 oidstr="___objlocation___";
73 this.temptovar=temptovar;
74 paramstable=new Hashtable();
75 tempstable=new Hashtable();
76 fieldorder=new Hashtable();
77 flagorder=new Hashtable();
78 this.typeutil=typeutil;
79 virtualcalls=new Virtual(state,locality);
81 this.locality=locality;
82 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
83 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
84 this.wb=new WriteBarrier(locality, st);
87 this.dc=new DiscoverConflicts(locality, st);
91 setSESEtoGen = new HashSet<FlatSESEEnterNode>();
94 /** The buildCode method outputs C code for all the methods. The Flat
95 * versions of the methods must already be generated and stored in
96 * the State object. */
98 public void buildCode() {
99 /* Create output streams to write to */
100 PrintWriter outclassdefs=null;
101 PrintWriter outstructs=null;
102 PrintWriter outrepairstructs=null;
103 PrintWriter outmethodheader=null;
104 PrintWriter outmethod=null;
105 PrintWriter outvirtual=null;
106 PrintWriter outtask=null;
107 PrintWriter outtaskdefs=null;
108 PrintWriter outoptionalarrays=null;
109 PrintWriter optionalheaders=null;
112 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
113 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
114 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
115 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
116 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
118 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
119 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
120 if (state.OPTIONAL) {
121 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
122 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
125 if (state.structfile!=null) {
126 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
128 } catch (Exception e) {
133 /* Build the virtual dispatch tables */
134 buildVirtualTables(outvirtual);
136 /* Output includes */
137 outmethodheader.println("#ifndef METHODHEADERS_H");
138 outmethodheader.println("#define METHODHEADERS_H");
139 outmethodheader.println("#include \"structdefs.h\"");
141 outmethodheader.println("#include \"dstm.h\"");
143 outmethodheader.println("#include \"tm.h\"");
144 if (state.ABORTREADERS) {
145 outmethodheader.println("#include \"abortreaders.h\"");
146 outmethodheader.println("#include <setjmp.h>");
149 /* Output Structures */
150 outputStructs(outstructs);
152 // Output the C class declarations
153 // These could mutually reference each other
154 outputClassDeclarations(outclassdefs);
156 // Output function prototypes and structures for parameters
157 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
158 while(it.hasNext()) {
159 ClassDescriptor cn=(ClassDescriptor)it.next();
160 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
162 outclassdefs.close();
165 /* Map flags to integers */
166 /* The runtime keeps track of flags using these integers */
167 it=state.getClassSymbolTable().getDescriptorsIterator();
168 while(it.hasNext()) {
169 ClassDescriptor cn=(ClassDescriptor)it.next();
173 generateTaskStructs(outstructs, outmethodheader);
175 /* Outputs generic task structures if this is a task
177 outputTaskTypes(outtask);
180 /* Build the actual methods */
181 outputMethods(outmethod);
185 while( !setSESEtoGen.isEmpty() ) {
186 FlatSESEEnterNode fsen = setSESEtoGen.iterator().next();
187 setSESEtoGen.remove( fsen );
188 generateMethodSESE( fsen, fsen.getEnclosingFlatMeth(), null, outmethod );
191 assert setSESEtoGen.isEmpty();
195 /* Output code for tasks */
196 outputTaskCode(outtaskdefs, outmethod);
198 /* Record maximum number of task parameters */
199 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
200 } else if (state.main!=null) {
201 /* Generate main method */
202 outputMainMethod(outmethod);
205 /* Generate information for task with optional parameters */
206 if (state.TASK&&state.OPTIONAL) {
207 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
208 outoptionalarrays.close();
211 /* Output structure definitions for repair tool */
212 if (state.structfile!=null) {
213 buildRepairStructs(outrepairstructs);
214 outrepairstructs.close();
218 outmethodheader.println("#endif");
219 outmethodheader.close();
221 outstructs.println("#endif");
226 /* This code just generates the main C method for java programs.
227 * The main C method packs up the arguments into a string array
228 * and passes it to the java main method. */
230 private void outputMainMethod(PrintWriter outmethod) {
231 outmethod.println("int main(int argc, const char *argv[]) {");
232 outmethod.println(" int i;");
234 outmethod.println("#ifdef TRANSSTATS \n");
235 outmethod.println("handle();\n");
236 outmethod.println("#endif\n");
238 if (state.THREAD||state.DSM||state.SINGLETM) {
239 outmethod.println("initializethreads();");
242 outmethod.println("if (dstmStartup(argv[1])) {");
243 if (GENERATEPRECISEGC) {
244 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
246 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
249 if (GENERATEPRECISEGC) {
250 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
252 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
256 outmethod.println(" for(i=2;i<argc;i++) {");
258 outmethod.println(" for(i=1;i<argc;i++) {");
259 outmethod.println(" int length=strlen(argv[i]);");
260 if (GENERATEPRECISEGC) {
261 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
263 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
266 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
268 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
269 outmethod.println(" }");
272 MethodDescriptor md=typeutil.getMain();
273 ClassDescriptor cd=typeutil.getMainClass();
275 outmethod.println(" {");
276 if (GENERATEPRECISEGC) {
277 if (state.DSM||state.SINGLETM) {
278 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
280 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
281 outmethod.println("1, NULL,"+"stringarray};");
282 if (state.DSM||state.SINGLETM)
283 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
285 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
287 if (state.DSM||state.SINGLETM)
288 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
290 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
292 outmethod.println(" }");
295 outmethod.println("}");
298 if (state.THREAD||state.DSM||state.SINGLETM) {
299 outmethod.println("pthread_mutex_lock(&gclistlock);");
300 outmethod.println("threadcount--;");
301 outmethod.println("pthread_cond_signal(&gccond);");
302 outmethod.println("pthread_mutex_unlock(&gclistlock);");
305 if (state.DSM||state.SINGLETM) {
306 outmethod.println("#ifdef TRANSSTATS \n");
307 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
308 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
309 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
310 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
312 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
313 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
314 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
315 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
316 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
317 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
318 } else if (state.SINGLETM) {
319 outmethod.println("printf(\"nSoftAbortAbort= %d\\n\", nSoftAbortAbort);");
320 outmethod.println("printf(\"nSoftAbortCommit= %d\\n\", nSoftAbortCommit);");
322 outmethod.println("#endif\n");
325 if (state.THREAD||state.SINGLETM)
326 outmethod.println("pthread_exit(NULL);");
328 outmethod.println("}");
332 /* This method outputs code for each task. */
334 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
335 /* Compile task based program */
336 outtaskdefs.println("#include \"task.h\"");
337 outtaskdefs.println("#include \"methodheaders.h\"");
338 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
339 while(taskit.hasNext()) {
340 TaskDescriptor td=(TaskDescriptor)taskit.next();
341 FlatMethod fm=state.getMethodFlat(td);
342 generateFlatMethod(fm, null, outmethod);
343 generateTaskDescriptor(outtaskdefs, fm, td);
346 //Output task descriptors
347 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
348 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
350 while(taskit.hasNext()) {
351 TaskDescriptor td=(TaskDescriptor)taskit.next();
355 outtaskdefs.println(",");
356 outtaskdefs.print("&task_"+td.getSafeSymbol());
358 outtaskdefs.println("};");
360 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
363 /* This method outputs most of the methods.c file. This includes
364 * some standard includes and then an array with the sizes of
365 * objets and array that stores supertype and then the code for
366 * the Java methods.. */
368 protected void outputMethods(PrintWriter outmethod) {
369 outmethod.println("#include \"methodheaders.h\"");
370 outmethod.println("#include \"virtualtable.h\"");
371 outmethod.println("#include \"runtime.h\"");
373 outmethod.println("#include \"addPrefetchEnhance.h\"");
374 outmethod.println("#include \"localobjects.h\"");
376 if (state.FASTCHECK) {
377 outmethod.println("#include \"localobjects.h\"");
379 if(state.MULTICORE) {
380 outmethod.println("#include \"task.h\"");
382 if (state.THREAD||state.DSM||state.SINGLETM)
383 outmethod.println("#include <thread.h>");
384 if (state.main!=null) {
385 outmethod.println("#include <string.h>");
387 if (state.CONSCHECK) {
388 outmethod.println("#include \"checkers.h\"");
391 outmethod.println("#include \"mlp_runtime.h\"");
394 //Store the sizes of classes & array elements
395 generateSizeArray(outmethod);
397 //Store table of supertypes
398 generateSuperTypeTable(outmethod);
400 //Store the layout of classes
401 generateLayoutStructs(outmethod);
403 /* Generate code for methods */
404 if (state.DSM||state.SINGLETM) {
405 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
406 LocalityBinding lb=lbit.next();
407 MethodDescriptor md=lb.getMethod();
408 FlatMethod fm=state.getMethodFlat(md);
410 if (!md.getModifiers().isNative()) {
411 generateFlatMethod(fm, lb, outmethod);
415 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
416 while(classit.hasNext()) {
417 ClassDescriptor cn=(ClassDescriptor)classit.next();
418 Iterator methodit=cn.getMethods();
419 while(methodit.hasNext()) {
420 /* Classify parameters */
421 MethodDescriptor md=(MethodDescriptor)methodit.next();
422 FlatMethod fm=state.getMethodFlat(md);
423 if (!md.getModifiers().isNative()) {
424 generateFlatMethod(fm, null, outmethod);
431 protected void outputStructs(PrintWriter outstructs) {
432 outstructs.println("#ifndef STRUCTDEFS_H");
433 outstructs.println("#define STRUCTDEFS_H");
434 outstructs.println("#include \"classdefs.h\"");
435 outstructs.println("#ifndef INTPTR");
436 outstructs.println("#ifdef BIT64");
437 outstructs.println("#define INTPTR long");
438 outstructs.println("#else");
439 outstructs.println("#define INTPTR int");
440 outstructs.println("#endif");
441 outstructs.println("#endif");
443 /* Output #defines that the runtime uses to determine type
444 * numbers for various objects it needs */
445 outstructs.println("#define MAXCOUNT "+maxcount);
446 if (state.DSM||state.SINGLETM) {
447 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
449 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
450 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
453 outstructs.println("#define STRINGARRAYTYPE "+
454 (state.getArrayNumber(
455 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
457 outstructs.println("#define OBJECTARRAYTYPE "+
458 (state.getArrayNumber(
459 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
462 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
463 outstructs.println("#define CHARARRAYTYPE "+
464 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
466 outstructs.println("#define BYTEARRAYTYPE "+
467 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
469 outstructs.println("#define BYTEARRAYARRAYTYPE "+
470 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
472 outstructs.println("#define NUMCLASSES "+state.numClasses());
474 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
475 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
476 outstructs.println("#define TAGARRAYTYPE "+
477 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
481 protected void outputClassDeclarations(PrintWriter outclassdefs) {
482 if (state.THREAD||state.DSM||state.SINGLETM)
483 outclassdefs.println("#include <pthread.h>");
484 outclassdefs.println("#ifndef INTPTR");
485 outclassdefs.println("#ifdef BIT64");
486 outclassdefs.println("#define INTPTR long");
487 outclassdefs.println("#else");
488 outclassdefs.println("#define INTPTR int");
489 outclassdefs.println("#endif");
490 outclassdefs.println("#endif");
492 outclassdefs.println("#include \"optionalstruct.h\"");
493 outclassdefs.println("struct "+arraytype+";");
494 /* Start by declaring all structs */
495 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
496 while(it.hasNext()) {
497 ClassDescriptor cn=(ClassDescriptor)it.next();
498 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
500 outclassdefs.println("");
501 //Print out definition for array type
502 outclassdefs.println("struct "+arraytype+" {");
503 outclassdefs.println(" int type;");
505 outclassdefs.println(" pthread_t tid;");
506 outclassdefs.println(" void * lockentry;");
507 outclassdefs.println(" int lockcount;");
510 outclassdefs.println(" int flag;");
511 if(!state.MULTICORE) {
512 outclassdefs.println(" void * flagptr;");
514 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
515 outclassdefs.println(" int version;");
516 outclassdefs.println(" struct ___Object___ * original;");
517 //outclassdefs.println(" int numlocks;"); // array for locks
518 outclassdefs.println(" int * lock;");
521 outclassdefs.println(" int numfses;");
522 outclassdefs.println(" int * fses;");
525 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
527 outclassdefs.println(" int ___length___;");
528 outclassdefs.println("};\n");
529 outclassdefs.println("extern int classsize[];");
530 outclassdefs.println("extern int hasflags[];");
531 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
532 outclassdefs.println("extern int supertypes[];");
535 /** Prints out definitions for generic task structures */
537 private void outputTaskTypes(PrintWriter outtask) {
538 outtask.println("#ifndef _TASK_H");
539 outtask.println("#define _TASK_H");
540 outtask.println("struct parameterdescriptor {");
541 outtask.println("int type;");
542 outtask.println("int numberterms;");
543 outtask.println("int *intarray;");
544 outtask.println("void * queue;");
545 outtask.println("int numbertags;");
546 outtask.println("int *tagarray;");
547 outtask.println("};");
549 outtask.println("struct taskdescriptor {");
550 outtask.println("void * taskptr;");
551 outtask.println("int numParameters;");
552 outtask.println(" int numTotal;");
553 outtask.println("struct parameterdescriptor **descriptorarray;");
554 outtask.println("char * name;");
555 outtask.println("};");
556 outtask.println("extern struct taskdescriptor * taskarray[];");
557 outtask.println("extern numtasks;");
558 outtask.println("#endif");
562 private void buildRepairStructs(PrintWriter outrepairstructs) {
563 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
564 while(classit.hasNext()) {
565 ClassDescriptor cn=(ClassDescriptor)classit.next();
566 outrepairstructs.println("structure "+cn.getSymbol()+" {");
567 outrepairstructs.println(" int __type__;");
569 outrepairstructs.println(" int __flag__;");
570 if(!state.MULTICORE) {
571 outrepairstructs.println(" int __flagptr__;");
574 printRepairStruct(cn, outrepairstructs);
575 outrepairstructs.println("}\n");
578 for(int i=0; i<state.numArrays(); i++) {
579 TypeDescriptor tdarray=arraytable[i];
580 TypeDescriptor tdelement=tdarray.dereference();
581 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
582 outrepairstructs.println(" int __type__;");
583 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
584 outrepairstructs.println(" int length;");
586 // Need to add support to repair tool for this
587 if (tdelement.isClass()||tdelement.isArray())
588 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
590 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
592 outrepairstructs.println("}\n");
596 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
597 ClassDescriptor sp=cn.getSuperDesc();
599 printRepairStruct(sp, output);
601 Vector fields=(Vector)fieldorder.get(cn);
603 for(int i=0; i<fields.size(); i++) {
604 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
605 if (fd.getType().isArray()) {
606 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
607 } else if (fd.getType().isClass())
608 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
609 else if (fd.getType().isFloat())
610 output.println(" int "+fd.getSymbol()+"; /* really float */");
612 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
616 /** This method outputs TaskDescriptor information */
617 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
618 for (int i=0; i<task.numParameters(); i++) {
619 VarDescriptor param_var=task.getParameter(i);
620 TypeDescriptor param_type=task.getParamType(i);
621 FlagExpressionNode param_flag=task.getFlag(param_var);
622 TagExpressionList param_tag=task.getTag(param_var);
625 if (param_flag==null) {
626 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
627 output.println("0x0, 0x0 };");
630 DNFFlag dflag=param_flag.getDNF();
631 dnfterms=dflag.size();
633 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
634 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
635 for(int j=0; j<dflag.size(); j++) {
638 Vector term=dflag.get(j);
641 for(int k=0; k<term.size(); k++) {
642 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
643 FlagDescriptor fd=dfa.getFlag();
644 boolean negated=dfa.getNegated();
645 int flagid=1<<((Integer)flags.get(fd)).intValue();
650 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
652 output.println("};");
655 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
656 //BUG...added next line to fix, test with any task program
658 for(int j=0; j<param_tag.numTags(); j++) {
661 /* for each tag we need */
662 /* which slot it is */
663 /* what type it is */
664 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
665 TempDescriptor tmp=param_tag.getTemp(j);
666 int slot=fm.getTagInt(tmp);
667 output.println(slot+", "+state.getTagId(tvd.getTag()));
669 output.println("};");
671 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
672 output.println("/* type */"+param_type.getClassDesc().getId()+",");
673 output.println("/* number of DNF terms */"+dnfterms+",");
674 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
675 output.println("0,");
676 //BUG, added next line to fix and else statement...test
677 //with any task program
679 output.println("/* number of tags */"+param_tag.numTags()+",");
681 output.println("/* number of tags */ 0,");
682 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
683 output.println("};");
687 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
688 for (int i=0; i<task.numParameters(); i++) {
691 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
693 output.println("};");
695 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
696 output.println("&"+task.getSafeSymbol()+",");
697 output.println("/* number of parameters */" +task.numParameters() + ",");
698 int numtotal=task.numParameters()+fm.numTags();
699 output.println("/* number total parameters */" +numtotal + ",");
700 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
701 output.println("\""+task.getSymbol()+"\"");
702 output.println("};");
706 /** The buildVirtualTables method outputs the virtual dispatch
707 * tables for methods. */
709 protected void buildVirtualTables(PrintWriter outvirtual) {
710 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
711 while(classit.hasNext()) {
712 ClassDescriptor cd=(ClassDescriptor)classit.next();
713 if (virtualcalls.getMethodCount(cd)>maxcount)
714 maxcount=virtualcalls.getMethodCount(cd);
716 MethodDescriptor[][] virtualtable=null;
717 LocalityBinding[][] lbvirtualtable=null;
718 if (state.DSM||state.SINGLETM)
719 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
721 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
723 /* Fill in virtual table */
724 classit=state.getClassSymbolTable().getDescriptorsIterator();
725 while(classit.hasNext()) {
726 ClassDescriptor cd=(ClassDescriptor)classit.next();
727 if (state.DSM||state.SINGLETM)
728 fillinRow(cd, lbvirtualtable, cd.getId());
730 fillinRow(cd, virtualtable, cd.getId());
733 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
734 Iterator arrayit=state.getArrayIterator();
735 while(arrayit.hasNext()) {
736 TypeDescriptor td=(TypeDescriptor)arrayit.next();
737 int id=state.getArrayNumber(td);
738 if (state.DSM||state.SINGLETM)
739 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
741 fillinRow(objectcd, virtualtable, id+state.numClasses());
744 outvirtual.print("void * virtualtable[]={");
745 boolean needcomma=false;
746 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
747 for(int j=0; j<maxcount; j++) {
749 outvirtual.print(", ");
750 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
751 LocalityBinding lb=lbvirtualtable[i][j];
752 MethodDescriptor md=lb.getMethod();
753 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
754 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
755 MethodDescriptor md=virtualtable[i][j];
756 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
758 outvirtual.print("0");
762 outvirtual.println("");
764 outvirtual.println("};");
768 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
769 /* Get inherited methods */
770 if (cd.getSuperDesc()!=null)
771 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
772 /* Override them with our methods */
773 for(Iterator it=cd.getMethods(); it.hasNext();) {
774 MethodDescriptor md=(MethodDescriptor)it.next();
775 if (md.isStatic()||md.getReturnType()==null)
777 int methodnum=virtualcalls.getMethodNumber(md);
778 virtualtable[rownum][methodnum]=md;
782 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
783 /* Get inherited methods */
784 if (cd.getSuperDesc()!=null)
785 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
786 /* Override them with our methods */
787 if (locality.getClassBindings(cd)!=null)
788 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
789 LocalityBinding lb=lbit.next();
790 MethodDescriptor md=lb.getMethod();
791 //Is the method static or a constructor
792 if (md.isStatic()||md.getReturnType()==null)
794 int methodnum=virtualcalls.getLocalityNumber(lb);
795 virtualtable[rownum][methodnum]=lb;
799 /** Generate array that contains the sizes of class objects. The
800 * object allocation functions in the runtime use this
803 private void generateSizeArray(PrintWriter outclassdefs) {
804 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
805 outclassdefs.print("#ifdef TRANSSTATS \n");
806 outclassdefs.print("extern int numTransAbort;\n");
807 outclassdefs.print("extern int numTransCommit;\n");
808 outclassdefs.print("extern int nSoftAbort;\n");
810 outclassdefs.print("extern int nchashSearch;\n");
811 outclassdefs.print("extern int nmhashSearch;\n");
812 outclassdefs.print("extern int nprehashSearch;\n");
813 outclassdefs.print("extern int nRemoteSend;\n");
814 outclassdefs.print("extern int bytesSent;\n");
815 outclassdefs.print("extern int bytesRecv;\n");
816 outclassdefs.print("extern void handle();\n");
817 } else if (state.SINGLETM) {
818 outclassdefs.println("extern int nSoftAbortAbort;");
819 outclassdefs.println("extern int nSoftAbortCommit;");
821 outclassdefs.print("#endif\n");
822 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
824 outclassdefs.print("int classsize[]={");
825 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
826 cdarray=new ClassDescriptor[state.numClasses()];
827 while(it.hasNext()) {
828 ClassDescriptor cd=(ClassDescriptor)it.next();
829 cdarray[cd.getId()]=cd;
831 boolean needcomma=false;
832 for(int i=0; i<state.numClasses(); i++) {
834 outclassdefs.print(", ");
835 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
839 arraytable=new TypeDescriptor[state.numArrays()];
841 Iterator arrayit=state.getArrayIterator();
842 while(arrayit.hasNext()) {
843 TypeDescriptor td=(TypeDescriptor)arrayit.next();
844 int id=state.getArrayNumber(td);
848 for(int i=0; i<state.numArrays(); i++) {
850 outclassdefs.print(", ");
851 TypeDescriptor tdelement=arraytable[i].dereference();
852 if (tdelement.isArray()||tdelement.isClass())
853 outclassdefs.print("sizeof(void *)");
855 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
859 outclassdefs.println("};");
861 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
863 outclassdefs.print("int typearray[]={");
864 for(int i=0;i<state.numClasses();i++) {
865 ClassDescriptor cd=cdarray[i];
866 ClassDescriptor supercd=cd.getSuperDesc();
868 outclassdefs.print(", ");
870 outclassdefs.print("-1");
872 outclassdefs.print(supercd.getId());
876 for(int i=0;i<state.numArrays();i++) {
877 TypeDescriptor arraytd=arraytable[i];
878 ClassDescriptor arraycd=arraytd.getClassDesc();
881 outclassdefs.print(", ");
882 outclassdefs.print(objectclass.getId());
886 ClassDescriptor cd=arraycd.getSuperDesc();
889 TypeDescriptor supertd=new TypeDescriptor(cd);
890 supertd.setArrayCount(arraytd.getArrayCount());
891 type=state.getArrayNumber(supertd);
893 type+=state.numClasses();
896 cd=cd.getSuperDesc();
899 outclassdefs.print(", ");
900 outclassdefs.print(type);
904 outclassdefs.println("};");
909 outclassdefs.print("int typearray2[]={");
910 for(int i=0;i<state.numArrays();i++) {
911 TypeDescriptor arraytd=arraytable[i];
912 ClassDescriptor arraycd=arraytd.getClassDesc();
915 outclassdefs.print(", ");
916 outclassdefs.print("-1");
920 ClassDescriptor cd=arraycd.getSuperDesc();
921 int level=arraytd.getArrayCount()-1;
923 for(;level>0;level--) {
924 TypeDescriptor supertd=new TypeDescriptor(objectclass);
925 supertd.setArrayCount(level);
926 type=state.getArrayNumber(supertd);
928 type+=state.numClasses();
933 outclassdefs.print(", ");
934 outclassdefs.print(type);
938 outclassdefs.println("};");
941 /** Constructs params and temp objects for each method or task.
942 * These objects tell the compiler which temps need to be
945 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
946 MethodDescriptor md=fm.getMethod();
947 TaskDescriptor task=fm.getTask();
948 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
949 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
951 paramstable.put(lb, objectparams);
952 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
955 paramstable.put(md, objectparams);
957 paramstable.put(task, objectparams);
959 for(int i=0; i<fm.numParameters(); i++) {
960 TempDescriptor temp=fm.getParameter(i);
961 TypeDescriptor type=temp.getType();
962 if (type.isPtr()&&GENERATEPRECISEGC)
963 objectparams.addPtr(temp);
965 objectparams.addPrim(temp);
966 if(lb!=null&&saveset.contains(temp)) {
967 backuptable.get(lb).put(temp, temp.createNew());
971 for(int i=0; i<fm.numTags(); i++) {
972 TempDescriptor temp=fm.getTag(i);
973 if (GENERATEPRECISEGC)
974 objectparams.addPtr(temp);
976 objectparams.addPrim(temp);
979 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
981 tempstable.put(lb, objecttemps);
983 tempstable.put(md, objecttemps);
985 tempstable.put(task, objecttemps);
987 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
988 FlatNode fn=(FlatNode)nodeit.next();
989 TempDescriptor[] writes=fn.writesTemps();
990 for(int i=0; i<writes.length; i++) {
991 TempDescriptor temp=writes[i];
992 TypeDescriptor type=temp.getType();
993 if (type.isPtr()&&GENERATEPRECISEGC)
994 objecttemps.addPtr(temp);
996 objecttemps.addPrim(temp);
997 if(lb!=null&&saveset.contains(temp)&&
998 !backuptable.get(lb).containsKey(temp))
999 backuptable.get(lb).put(temp, temp.createNew());
1003 /* Create backup temps */
1005 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
1006 TempDescriptor tmp=tmpit.next();
1007 TypeDescriptor type=tmp.getType();
1008 if (type.isPtr()&&GENERATEPRECISEGC)
1009 objecttemps.addPtr(tmp);
1011 objecttemps.addPrim(tmp);
1013 /* Create temp to hold revert table */
1014 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
1015 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
1016 if (GENERATEPRECISEGC)
1017 objecttemps.addPtr(reverttmp);
1019 objecttemps.addPrim(reverttmp);
1020 reverttable.put(lb, reverttmp);
1025 /** This method outputs the following information about classes
1027 * (1) For classes, what are the locations of pointers.
1028 * (2) For arrays, does the array contain pointers or primitives.
1029 * (3) For classes, does the class contain flags.
1032 private void generateLayoutStructs(PrintWriter output) {
1033 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1034 while(it.hasNext()) {
1035 ClassDescriptor cn=(ClassDescriptor)it.next();
1036 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1037 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1039 while(allit.hasNext()) {
1040 FieldDescriptor fd=(FieldDescriptor)allit.next();
1041 TypeDescriptor type=fd.getType();
1042 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1047 output.print(count);
1048 allit=cn.getFieldTable().getAllDescriptorsIterator();
1049 while(allit.hasNext()) {
1050 FieldDescriptor fd=(FieldDescriptor)allit.next();
1051 TypeDescriptor type=fd.getType();
1052 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1055 output.println(",");
1056 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
1059 output.println("};");
1061 output.println("unsigned INTPTR * pointerarray[]={");
1062 boolean needcomma=false;
1063 for(int i=0; i<state.numClasses(); i++) {
1064 ClassDescriptor cn=cdarray[i];
1066 output.println(",");
1068 output.print(cn.getSafeSymbol()+"_pointers");
1071 for(int i=0; i<state.numArrays(); i++) {
1073 output.println(", ");
1074 TypeDescriptor tdelement=arraytable[i].dereference();
1075 if (tdelement.isArray()||tdelement.isClass())
1076 output.print("((unsigned INTPTR *)1)");
1082 output.println("};");
1084 output.println("int hasflags[]={");
1085 for(int i=0; i<state.numClasses(); i++) {
1086 ClassDescriptor cn=cdarray[i];
1088 output.println(", ");
1095 output.println("};");
1098 /** Print out table to give us supertypes */
1099 private void generateSuperTypeTable(PrintWriter output) {
1100 output.println("int supertypes[]={");
1101 boolean needcomma=false;
1102 for(int i=0; i<state.numClasses(); i++) {
1103 ClassDescriptor cn=cdarray[i];
1105 output.println(",");
1107 if (cn.getSuperDesc()!=null) {
1108 ClassDescriptor cdsuper=cn.getSuperDesc();
1109 output.print(cdsuper.getId());
1113 output.println("};");
1116 /** Force consistent field ordering between inherited classes. */
1118 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
1120 ClassDescriptor sp=cn.getSuperDesc();
1122 printClassStruct(sp, classdefout);
1124 if (!fieldorder.containsKey(cn)) {
1125 Vector fields=new Vector();
1126 fieldorder.put(cn,fields);
1127 if (sp==null&&!state.TASK) {
1128 fields.add(cn.getFieldTable().get("cachedCode"));
1130 Iterator fieldit=cn.getFields();
1131 while(fieldit.hasNext()) {
1132 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
1133 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
1134 (!fd.getSymbol().equals("cachedCode")||state.TASK))
1138 Vector fields=(Vector)fieldorder.get(cn);
1140 for(int i=0; i<fields.size(); i++) {
1141 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1142 if (fd.getType().isClass()||fd.getType().isArray())
1143 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1145 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1150 /* Map flags to integers consistently between inherited
1153 protected void mapFlags(ClassDescriptor cn) {
1154 ClassDescriptor sp=cn.getSuperDesc();
1158 if (!flagorder.containsKey(cn)) {
1159 Hashtable flags=new Hashtable();
1160 flagorder.put(cn,flags);
1162 Hashtable superflags=(Hashtable)flagorder.get(sp);
1163 Iterator superflagit=superflags.keySet().iterator();
1164 while(superflagit.hasNext()) {
1165 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1166 Integer number=(Integer)superflags.get(fd);
1167 flags.put(fd, number);
1168 if ((number.intValue()+1)>max)
1169 max=number.intValue()+1;
1173 Iterator flagit=cn.getFlags();
1174 while(flagit.hasNext()) {
1175 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1176 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1177 flags.put(fd, new Integer(max++));
1183 /** This function outputs (1) structures that parameters are
1184 * passed in (when PRECISE GC is enabled) and (2) function
1185 * prototypes for the methods */
1187 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1188 /* Output class structure */
1189 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1190 classdefout.println(" int type;");
1192 classdefout.println(" pthread_t tid;");
1193 classdefout.println(" void * lockentry;");
1194 classdefout.println(" int lockcount;");
1198 classdefout.println(" int flag;");
1199 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1200 classdefout.println(" void * flagptr;");
1201 } else if (state.MULTICORE) {
1202 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1203 classdefout.println(" int version;");
1204 classdefout.println(" struct ___Object___ * original;");
1205 //classdefout.println(" int numlocks;"); // array for locks
1206 classdefout.println(" int * lock;");
1208 if (state.OPTIONAL) {
1209 classdefout.println(" int numfses;");
1210 classdefout.println(" int * fses;");
1213 printClassStruct(cn, classdefout);
1214 classdefout.println("};\n");
1216 if (state.DSM||state.SINGLETM) {
1217 /* Cycle through LocalityBindings */
1218 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1219 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1221 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1222 LocalityBinding lb=lbit.next();
1223 MethodDescriptor md=lb.getMethod();
1224 if (md.getModifiers().isNative()) {
1225 //make sure we only print a native method once
1226 if (nativemethods.contains(md)) {
1227 FlatMethod fm=state.getMethodFlat(md);
1228 generateTempStructs(fm, lb);
1231 nativemethods.add(md);
1233 generateMethod(cn, md, lb, headersout, output);
1236 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1237 MethodDescriptor md=(MethodDescriptor)methodit.next();
1238 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1239 //Need to build param structure for library code
1240 FlatMethod fm=state.getMethodFlat(md);
1241 generateTempStructs(fm, null);
1242 generateMethodParam(cn, md, null, output);
1247 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1248 MethodDescriptor md=(MethodDescriptor)methodit.next();
1249 generateMethod(cn, md, null, headersout, output);
1253 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1254 /* Output parameter structure */
1255 if (GENERATEPRECISEGC) {
1256 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1257 if ((state.DSM||state.SINGLETM)&&lb!=null)
1258 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1260 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1261 output.println(" INTPTR size;");
1262 output.println(" void * next;");
1263 for(int i=0; i<objectparams.numPointers(); i++) {
1264 TempDescriptor temp=objectparams.getPointer(i);
1265 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1267 output.println("};\n");
1272 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1273 FlatMethod fm=state.getMethodFlat(md);
1274 generateTempStructs(fm, lb);
1276 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1277 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1279 generateMethodParam(cn, md, lb, output);
1281 /* Output temp structure */
1282 if (GENERATEPRECISEGC) {
1283 if (state.DSM||state.SINGLETM)
1284 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1286 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1287 output.println(" INTPTR size;");
1288 output.println(" void * next;");
1289 for(int i=0; i<objecttemps.numPointers(); i++) {
1290 TempDescriptor temp=objecttemps.getPointer(i);
1291 if (temp.getType().isNull())
1292 output.println(" void * "+temp.getSafeSymbol()+";");
1294 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1296 output.println("};\n");
1299 /********* Output method declaration ***********/
1301 /* First the return type */
1302 if (md.getReturnType()!=null) {
1303 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1304 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1306 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1308 //catch the constructor case
1309 headersout.print("void ");
1311 /* Next the method name */
1312 if (state.DSM||state.SINGLETM) {
1313 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1315 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1317 boolean printcomma=false;
1318 if (GENERATEPRECISEGC) {
1319 if (state.DSM||state.SINGLETM) {
1320 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1322 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1326 /* Output parameter list*/
1327 for(int i=0; i<objectparams.numPrimitives(); i++) {
1328 TempDescriptor temp=objectparams.getPrimitive(i);
1330 headersout.print(", ");
1332 if (temp.getType().isClass()||temp.getType().isArray())
1333 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1335 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1337 headersout.println(");\n");
1341 /** This function outputs (1) structures that parameters are
1342 * passed in (when PRECISE GC is enabled) and (2) function
1343 * prototypes for the tasks */
1345 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1346 /* Cycle through tasks */
1347 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1349 while(taskit.hasNext()) {
1350 /* Classify parameters */
1351 TaskDescriptor task=(TaskDescriptor)taskit.next();
1352 FlatMethod fm=state.getMethodFlat(task);
1353 generateTempStructs(fm, null);
1355 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1356 TempObject objecttemps=(TempObject) tempstable.get(task);
1358 /* Output parameter structure */
1359 if (GENERATEPRECISEGC) {
1360 output.println("struct "+task.getSafeSymbol()+"_params {");
1362 output.println(" INTPTR size;");
1363 output.println(" void * next;");
1364 for(int i=0; i<objectparams.numPointers(); i++) {
1365 TempDescriptor temp=objectparams.getPointer(i);
1366 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1369 output.println("};\n");
1370 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1371 maxtaskparams=objectparams.numPointers()+fm.numTags();
1375 /* Output temp structure */
1376 if (GENERATEPRECISEGC) {
1377 output.println("struct "+task.getSafeSymbol()+"_locals {");
1378 output.println(" INTPTR size;");
1379 output.println(" void * next;");
1380 for(int i=0; i<objecttemps.numPointers(); i++) {
1381 TempDescriptor temp=objecttemps.getPointer(i);
1382 if (temp.getType().isNull())
1383 output.println(" void * "+temp.getSafeSymbol()+";");
1384 else if(temp.getType().isTag())
1385 output.println(" struct "+
1386 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1388 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1390 output.println("};\n");
1393 /* Output task declaration */
1394 headersout.print("void " + task.getSafeSymbol()+"(");
1396 boolean printcomma=false;
1397 if (GENERATEPRECISEGC) {
1398 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1400 headersout.print("void * parameterarray[]");
1401 headersout.println(");\n");
1405 /***** Generate code for FlatMethod fm. *****/
1407 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1408 if (State.PRINTFLAT)
1409 System.out.println(fm.printMethod());
1410 MethodDescriptor md=fm.getMethod();
1412 TaskDescriptor task=fm.getTask();
1414 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1416 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1417 generateHeader(fm, lb, md!=null ? md : task,output);
1418 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1420 if (GENERATEPRECISEGC) {
1421 if (md!=null&&(state.DSM||state.SINGLETM))
1422 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1423 else if (md!=null&&!(state.DSM||state.SINGLETM))
1424 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1426 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1428 output.print(objecttemp.numPointers()+",");
1429 output.print(paramsprefix);
1430 for(int j=0; j<objecttemp.numPointers(); j++)
1431 output.print(", NULL");
1432 output.println("};");
1435 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1436 TempDescriptor td=objecttemp.getPrimitive(i);
1437 TypeDescriptor type=td.getType();
1439 output.println(" void * "+td.getSafeSymbol()+";");
1440 else if (type.isClass()||type.isArray())
1441 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1443 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1446 /* Check to see if we need to do a GC if this is a
1447 * multi-threaded program...*/
1449 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1450 if (state.DSM&&lb.isAtomic())
1451 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1453 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1456 generateCode( fm.getNext(0), fm, lb, null, output );
1458 output.println("}\n\n");
1462 protected void generateMethodSESE( FlatSESEEnterNode fsen,
1465 PrintWriter output ) {
1467 //output.println( "void _SESE"+fsen.getPrettyIdentifier()+
1469 //generateCode( fsen.getNext(0), fm, lb, fsen.getFlatExit(), output );
1470 //output.println( "}\n\n" );
1473 output.println("struct sese"+faen.getPrettyIdentifier()+"in {");
1474 Iterator<TempDescriptor> itr = faen.getInVarSet().iterator();
1475 while( itr.hasNext() ) {
1476 TempDescriptor td = itr.next();
1477 output.println(" "+td+";");
1479 output.println("}");
1481 output.println("struct sese"+faen.getPrettyIdentifier()+"out {");
1482 itr = faen.getOutVarSet().iterator();
1483 while( itr.hasNext() ) {
1484 TempDescriptor td = itr.next();
1485 output.println(" "+td+";");
1487 output.println("}");
1493 protected void generateCode( FlatNode first,
1496 FlatSESEExitNode stop,
1497 PrintWriter output ) {
1499 /* Assign labels to FlatNode's if necessary.*/
1500 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(first);
1502 /* Do the actual code generation */
1503 FlatNode current_node=null;
1504 HashSet tovisit=new HashSet();
1505 HashSet visited=new HashSet();
1507 while(current_node!=null||!tovisit.isEmpty()) {
1508 if (current_node==null) {
1509 current_node=(FlatNode)tovisit.iterator().next();
1510 tovisit.remove(current_node);
1511 } else if (tovisit.contains(current_node)){
1512 tovisit.remove(current_node);
1514 if(current_node==stop) { return; }
1515 visited.add(current_node);
1516 if (nodetolabel.containsKey(current_node))
1517 output.println("L"+nodetolabel.get(current_node)+":");
1518 if (state.INSTRUCTIONFAILURE) {
1519 if (state.THREAD||state.DSM||state.SINGLETM) {
1520 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1522 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1524 if (current_node.numNext()==0) {
1526 generateFlatNode(fm, lb, current_node, output);
1527 if (current_node.kind()!=FKind.FlatReturnNode) {
1528 output.println(" return;");
1531 } else if(current_node.numNext()==1) {
1533 if (state.MLP && current_node.kind()==FKind.FlatSESEEnterNode) {
1534 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
1536 setSESEtoGen.add(fsen);
1537 fsen.setEnclosingFlatMeth(fm);
1539 nextnode=fsen.getFlatExit().getNext(0);
1542 generateFlatNode(fm, lb, current_node, output);
1543 nextnode=current_node.getNext(0);
1545 if (visited.contains(nextnode)) {
1546 output.println("goto L"+nodetolabel.get(nextnode)+";");
1549 current_node=nextnode;
1550 } else if (current_node.numNext()==2) {
1553 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1554 if (!visited.contains(current_node.getNext(1)))
1555 tovisit.add(current_node.getNext(1));
1556 if (visited.contains(current_node.getNext(0))) {
1557 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1560 current_node=current_node.getNext(0);
1561 } else throw new Error();
1566 /** This method assigns labels to FlatNodes */
1568 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first) {
1569 HashSet tovisit=new HashSet();
1570 HashSet visited=new HashSet();
1572 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1575 /*Assign labels first. A node needs a label if the previous
1576 * node has two exits or this node is a join point. */
1578 while(!tovisit.isEmpty()) {
1579 FlatNode fn=(FlatNode)tovisit.iterator().next();
1582 for(int i=0; i<fn.numNext(); i++) {
1583 FlatNode nn=fn.getNext(i);
1585 //1) Edge >1 of node
1586 nodetolabel.put(nn,new Integer(labelindex++));
1588 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1592 nodetolabel.put(nn,new Integer(labelindex++));
1600 /** Generate text string that corresponds to the TempDescriptor td. */
1601 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1602 MethodDescriptor md=fm.getMethod();
1603 TaskDescriptor task=fm.getTask();
1604 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1605 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1606 //System.out.println("generateTemp returns " + td.getSafeSymbol());
1607 return td.getSafeSymbol();
1610 if (objecttemps.isLocalPtr(td)) {
1611 return localsprefix+"."+td.getSafeSymbol();
1614 if (objecttemps.isParamPtr(td)) {
1615 return paramsprefix+"->"+td.getSafeSymbol();
1620 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1622 case FKind.FlatAtomicEnterNode:
1623 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1626 case FKind.FlatAtomicExitNode:
1627 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1630 case FKind.FlatInstanceOfNode:
1631 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
1634 case FKind.FlatSESEEnterNode:
1638 case FKind.FlatSESEExitNode:
1642 case FKind.FlatGlobalConvNode:
1643 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1646 case FKind.FlatTagDeclaration:
1647 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1650 case FKind.FlatCall:
1651 generateFlatCall(fm, lb, (FlatCall) fn,output);
1654 case FKind.FlatFieldNode:
1655 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1658 case FKind.FlatElementNode:
1659 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1662 case FKind.FlatSetElementNode:
1663 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1666 case FKind.FlatSetFieldNode:
1667 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1671 generateFlatNew(fm, lb, (FlatNew) fn,output);
1674 case FKind.FlatOpNode:
1675 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1678 case FKind.FlatCastNode:
1679 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1682 case FKind.FlatLiteralNode:
1683 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1686 case FKind.FlatReturnNode:
1687 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1691 output.println("/* nop */");
1694 case FKind.FlatExit:
1695 output.println("/* exit */");
1698 case FKind.FlatBackEdge:
1699 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1700 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1701 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1703 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1705 output.println("/* nop */");
1708 case FKind.FlatCheckNode:
1709 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1712 case FKind.FlatFlagActionNode:
1713 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1716 case FKind.FlatPrefetchNode:
1717 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1720 case FKind.FlatOffsetNode:
1721 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
1727 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
1728 output.println("/* FlatOffsetNode */");
1729 FieldDescriptor fd=fofn.getField();
1730 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+");");
1731 output.println("/* offset */");
1734 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1735 if (state.PREFETCH) {
1736 Vector oids = new Vector();
1737 Vector fieldoffset = new Vector();
1738 Vector endoffset = new Vector();
1739 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1740 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
1741 PrefetchPair pp = (PrefetchPair) it.next();
1742 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1743 /* Find prefetches that can generate oid */
1744 if(statusbase == LocalityAnalysis.GLOBAL) {
1745 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1747 } else if (statusbase == LocalityAnalysis.LOCAL) {
1748 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1755 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
1756 output.println("{");
1757 output.println("/* prefetch */");
1758 output.println("/* prefetchid_" + fpn.siteid + " */");
1759 output.println("void * prefptr;");
1760 output.println("int tmpindex;");
1762 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1763 /*Create C code for oid array */
1764 output.print(" unsigned int oidarray_[] = {");
1765 boolean needcomma=false;
1766 for (Iterator it = oids.iterator(); it.hasNext();) {
1769 output.print(it.next());
1772 output.println("};");
1774 /*Create C code for endoffset values */
1775 output.print(" unsigned short endoffsetarry_[] = {");
1777 for (Iterator it = endoffset.iterator(); it.hasNext();) {
1780 output.print(it.next());
1783 output.println("};");
1785 /*Create C code for Field Offset Values */
1786 output.print(" short fieldarry_[] = {");
1788 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
1791 output.print(it.next());
1794 output.println("};");
1795 /* make the prefetch call to Runtime */
1796 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1797 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1798 output.println(" }");
1799 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1800 output.println(" } else {");
1801 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1802 output.println(" }");
1803 output.println("}");
1807 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1808 short offsetcount = 0;
1812 } else if (localbase) {
1813 for(; breakindex<pp.desc.size(); breakindex++) {
1814 Descriptor desc=pp.getDescAt(breakindex);
1815 if (desc instanceof FieldDescriptor) {
1816 FieldDescriptor fd=(FieldDescriptor)desc;
1817 if (fd.isGlobal()) {
1825 if (breakindex>pp.desc.size()) //all local
1828 TypeDescriptor lasttype=pp.base.getType();
1829 String basestr=generateTemp(fm, pp.base, lb);
1831 boolean maybenull=fm.getMethod().isStatic()||
1832 !pp.base.equals(fm.getParameter(0));
1834 for(int i=0; i<breakindex; i++) {
1835 String indexcheck="";
1837 Descriptor desc=pp.getDescAt(i);
1838 if (desc instanceof FieldDescriptor) {
1839 FieldDescriptor fd=(FieldDescriptor)desc;
1841 if (!teststr.equals(""))
1843 teststr+="((prefptr="+basestr+")!=NULL)";
1844 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
1846 basestr=basestr+"->"+fd.getSafeSymbol();
1849 lasttype=fd.getType();
1851 IndexDescriptor id=(IndexDescriptor)desc;
1852 indexcheck="((tmpindex=";
1853 for(int j=0; j<id.tddesc.size(); j++) {
1854 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
1856 indexcheck+=id.offset+")>=0)&&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
1858 if (!teststr.equals(""))
1860 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
1861 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
1863 lasttype=lasttype.dereference();
1868 if (teststr.equals("")) {
1869 oid="((unsigned int)"+basestr+")";
1871 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
1875 for(int i = breakindex; i < pp.desc.size(); i++) {
1876 String newfieldoffset;
1877 Object desc = pp.getDescAt(i);
1878 if(desc instanceof FieldDescriptor) {
1879 FieldDescriptor fd=(FieldDescriptor)desc;
1880 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
1881 lasttype=fd.getType();
1883 newfieldoffset = "";
1884 IndexDescriptor id=(IndexDescriptor)desc;
1885 for(int j = 0; j < id.tddesc.size(); j++) {
1886 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
1888 newfieldoffset += id.offset.toString();
1889 lasttype=lasttype.dereference();
1891 fieldoffset.add(newfieldoffset);
1894 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
1895 base+=pp.desc.size()-breakindex;
1896 endoffset.add(new Short((short)base));
1901 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1902 if (lb!=fgcn.getLocality())
1904 /* Have to generate flat globalconv */
1905 if (fgcn.getMakePtr()) {
1907 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1909 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1912 /* Need to convert to OID */
1913 if (fgcn.doConvert()) {
1914 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1916 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
1921 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
1923 if (fion.getType().isArray()) {
1924 type=state.getArrayNumber(fion.getType())+state.numClasses();
1926 type=fion.getType().getClassDesc().getId();
1929 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
1930 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
1932 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
1935 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1936 /* Check to see if we need to generate code for this atomic */
1937 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1939 /* Backup the temps. */
1940 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1941 TempDescriptor tmp=tmpit.next();
1942 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1945 output.println("goto transstart"+faen.getIdentifier()+";");
1947 /******* Print code to retry aborted transaction *******/
1948 output.println("transretry"+faen.getIdentifier()+":");
1951 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1952 TempDescriptor tmp=tmpit.next();
1953 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
1957 /********* Need to revert local object store ********/
1958 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1960 output.println("while ("+revertptr+") {");
1961 output.println("struct ___Object___ * tmpptr;");
1962 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1963 output.println("REVERT_OBJ("+revertptr+");");
1964 output.println(revertptr+"=tmpptr;");
1965 output.println("}");
1967 /******* Tell the runtime to start the transaction *******/
1969 output.println("transstart"+faen.getIdentifier()+":");
1970 output.println("transStart();");
1972 if (state.ABORTREADERS) {
1973 output.println("if (_setjmp(aborttrans)) {");
1974 output.println(" goto transretry"+faen.getIdentifier()+"; }");
1978 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1979 /* Check to see if we need to generate code for this atomic */
1980 if (locality.getAtomic(lb).get(faen).intValue()>0)
1982 //store the revert list before we lose the transaction object
1983 String revertptr=null;
1985 revertptr=generateTemp(fm, reverttable.get(lb),lb);
1986 output.println(revertptr+"=revertlist;");
1988 output.println("if (transCommit()) {");
1989 /* Transaction aborts if it returns true */
1990 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1992 output.println("} else {");
1993 /* Need to commit local object store */
1994 output.println("while ("+revertptr+") {");
1995 output.println("struct ___Object___ * tmpptr;");
1996 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1997 output.println("COMMIT_OBJ("+revertptr+");");
1998 output.println(revertptr+"=tmpptr;");
1999 output.println("}");
2001 output.println("}");
2005 public void generateSESE(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
2010 public void generateFlatSESEEnterNode(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
2013 public void generateFlatSESEExitNode(FlatMethod fm, LocalityBinding lb, FlatSESEExitNode faen, PrintWriter output) {
2014 //output.println("mlpNotifyExit( (struct SESE*)0 );");
2017 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
2018 if (state.CONSCHECK) {
2019 String specname=fcn.getSpec();
2020 String varname="repairstate___";
2021 output.println("{");
2022 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2024 TempDescriptor[] temps=fcn.getTemps();
2025 String[] vars=fcn.getVars();
2026 for(int i=0; i<temps.length; i++) {
2027 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
2030 output.println("if (doanalysis"+specname+"("+varname+")) {");
2031 output.println("free"+specname+"_state("+varname+");");
2032 output.println("} else {");
2033 output.println("/* Bad invariant */");
2034 output.println("free"+specname+"_state("+varname+");");
2035 output.println("abort_task();");
2036 output.println("}");
2037 output.println("}");
2041 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
2042 MethodDescriptor md=fc.getMethod();
2043 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM||state.SINGLETM ? locality.getBinding(lb, fc) : md);
2044 ClassDescriptor cn=md.getClassDesc();
2045 output.println("{");
2046 if (GENERATEPRECISEGC) {
2047 if (state.DSM||state.SINGLETM) {
2048 LocalityBinding fclb=locality.getBinding(lb, fc);
2049 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2051 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2053 output.print(objectparams.numPointers());
2054 output.print(", & "+localsprefix);
2055 if (md.getThis()!=null) {
2057 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
2059 if (fc.getThis()!=null&&md.getThis()==null) {
2060 System.out.println("WARNING!!!!!!!!!!!!");
2061 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2065 for(int i=0; i<fc.numArgs(); i++) {
2066 Descriptor var=md.getParameter(i);
2067 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2068 if (objectparams.isParamPtr(paramtemp)) {
2069 TempDescriptor targ=fc.getArg(i);
2071 TypeDescriptor td=md.getParamType(i);
2073 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2075 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2078 output.println("};");
2083 if (fc.getReturnTemp()!=null)
2084 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
2086 /* Do we need to do virtual dispatch? */
2087 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
2089 if (state.DSM||state.SINGLETM) {
2090 LocalityBinding fclb=locality.getBinding(lb, fc);
2091 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2093 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2098 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2099 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2101 output.print(md.getReturnType().getSafeSymbol()+" ");
2102 output.print("(*)(");
2104 boolean printcomma=false;
2105 if (GENERATEPRECISEGC) {
2106 if (state.DSM||state.SINGLETM) {
2107 LocalityBinding fclb=locality.getBinding(lb, fc);
2108 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2110 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2114 for(int i=0; i<objectparams.numPrimitives(); i++) {
2115 TempDescriptor temp=objectparams.getPrimitive(i);
2119 if (temp.getType().isClass()||temp.getType().isArray())
2120 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2122 output.print(temp.getType().getSafeSymbol());
2126 if (state.DSM||state.SINGLETM) {
2127 LocalityBinding fclb=locality.getBinding(lb, fc);
2128 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
2130 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2134 boolean needcomma=false;
2135 if (GENERATEPRECISEGC) {
2136 output.print("&__parameterlist__");
2140 if (!GENERATEPRECISEGC) {
2141 if (fc.getThis()!=null) {
2142 TypeDescriptor ptd=md.getThis().getType();
2145 if (ptd.isClass()&&!ptd.isArray())
2146 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2147 output.print(generateTemp(fm,fc.getThis(),lb));
2152 for(int i=0; i<fc.numArgs(); i++) {
2153 Descriptor var=md.getParameter(i);
2154 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2155 if (objectparams.isParamPrim(paramtemp)) {
2156 TempDescriptor targ=fc.getArg(i);
2160 TypeDescriptor ptd=md.getParamType(i);
2161 if (ptd.isClass()&&!ptd.isArray())
2162 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2163 output.print(generateTemp(fm, targ,lb));
2167 output.println(");");
2168 output.println(" }");
2171 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2172 Set subclasses=typeutil.getSubClasses(thiscd);
2173 if (subclasses==null)
2175 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
2176 ClassDescriptor cd=(ClassDescriptor)classit.next();
2177 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
2178 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
2179 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2180 if (md.matches(matchmd))
2187 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
2188 if (state.SINGLETM) {
2189 //single machine transactional memory case
2190 String field=ffn.getField().getSafeSymbol();
2191 String src=generateTemp(fm, ffn.getSrc(),lb);
2192 String dst=generateTemp(fm, ffn.getDst(),lb);
2194 output.println(dst+"="+ src +"->"+field+ ";");
2195 if (ffn.getField().getType().isPtr()&&locality.getAtomic(lb).get(ffn).intValue()>0&&
2196 ((dc==null)||dc.getNeedTrans(lb, ffn))) {
2197 output.println("TRANSREAD("+dst+", "+dst+");");
2199 } else if (state.DSM) {
2200 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
2201 if (status==LocalityAnalysis.GLOBAL) {
2202 String field=ffn.getField().getSafeSymbol();
2203 String src=generateTemp(fm, ffn.getSrc(),lb);
2204 String dst=generateTemp(fm, ffn.getDst(),lb);
2206 if (ffn.getField().getType().isPtr()) {
2208 //TODO: Uncomment this when we have runtime support
2209 //if (ffn.getSrc()==ffn.getDst()) {
2210 //output.println("{");
2211 //output.println("void * temp="+src+";");
2212 //output.println("if (temp&0x1) {");
2213 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
2214 //output.println(src+"->"+field+"="+temp+";");
2215 //output.println("}");
2216 //output.println(dst+"=temp;");
2217 //output.println("}");
2219 output.println(dst+"="+ src +"->"+field+ ";");
2220 //output.println("if ("+dst+"&0x1) {");
2221 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2222 //output.println(src+"->"+field+"="+src+"->"+field+";");
2223 //output.println("}");
2226 output.println(dst+"="+ src+"->"+field+";");
2228 } else if (status==LocalityAnalysis.LOCAL) {
2229 if (ffn.getField().getType().isPtr()&&
2230 ffn.getField().isGlobal()) {
2231 String field=ffn.getField().getSafeSymbol();
2232 String src=generateTemp(fm, ffn.getSrc(),lb);
2233 String dst=generateTemp(fm, ffn.getDst(),lb);
2234 output.println(dst+"="+ src +"->"+field+ ";");
2235 if (locality.getAtomic(lb).get(ffn).intValue()>0)
2236 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2238 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2239 } else if (status==LocalityAnalysis.EITHER) {
2240 //Code is reading from a null pointer
2241 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
2242 output.println("#ifndef RAW");
2243 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2244 output.println("#endif");
2245 //This should throw a suitable null pointer error
2246 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2248 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2250 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2254 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
2255 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2256 throw new Error("Can't set array length");
2257 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2258 //Single Machine Transaction Case
2259 boolean srcptr=fsfn.getSrc().getType().isPtr();
2260 String src=generateTemp(fm,fsfn.getSrc(),lb);
2261 String dst=generateTemp(fm,fsfn.getDst(),lb);
2262 if (srcptr&&!fsfn.getSrc().getType().isNull()) {
2263 output.println("{");
2264 if ((dc==null)||dc.getNeedSrcTrans(lb, fsfn)) {
2265 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2267 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2270 if (wb.needBarrier(fsfn))
2271 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
2272 if (srcptr&!fsfn.getSrc().getType().isNull()) {
2273 output.println("*((unsigned INTPTR *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2274 output.println("}");
2276 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2278 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2279 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
2280 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
2281 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2283 String src=generateTemp(fm,fsfn.getSrc(),lb);
2284 String dst=generateTemp(fm,fsfn.getDst(),lb);
2286 output.println("{");
2287 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2289 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2292 if (wb.needBarrier(fsfn))
2293 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2295 output.println("*((unsigned INTPTR *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2297 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2298 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2299 /** Check if we need to copy */
2300 output.println("if(!"+dst+"->"+localcopystr+") {");
2301 /* Link object into list */
2302 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2303 output.println(revertptr+"=revertlist;");
2304 if (GENERATEPRECISEGC)
2305 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2307 output.println("COPY_OBJ("+dst+");");
2308 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2309 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2310 output.println("}");
2312 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2314 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2315 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2316 //writing to a null...bad
2317 output.println("if ("+dst+") {");
2318 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2320 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2322 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2325 output.println("}");
2328 if (state.FASTCHECK) {
2329 String dst=generateTemp(fm, fsfn.getDst(),lb);
2330 output.println("if(!"+dst+"->"+localcopystr+") {");
2331 /* Link object into list */
2332 if (GENERATEPRECISEGC)
2333 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2335 output.println("COPY_OBJ("+dst+");");
2336 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2337 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2338 output.println("}");
2340 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2344 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2345 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2348 if (elementtype.isArray()||elementtype.isClass())
2351 type=elementtype.getSafeSymbol()+" ";
2353 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2354 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2355 output.println("failedboundschk();");
2357 if (state.SINGLETM) {
2358 //Single machine transaction case
2359 String dst=generateTemp(fm, fen.getDst(),lb);
2360 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2362 if (elementtype.isPtr()&&locality.getAtomic(lb).get(fen).intValue()>0&&
2363 ((dc==null)||dc.getNeedTrans(lb, fen))) {
2364 output.println("TRANSREAD("+dst+", "+dst+");");
2366 } else if (state.DSM) {
2367 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2368 if (status==LocalityAnalysis.GLOBAL) {
2369 String dst=generateTemp(fm, fen.getDst(),lb);
2371 if (elementtype.isPtr()) {
2372 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2373 output.println("TRANSREAD("+dst+", "+dst+");");
2375 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2377 } else if (status==LocalityAnalysis.LOCAL) {
2378 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2379 } else if (status==LocalityAnalysis.EITHER) {
2380 //Code is reading from a null pointer
2381 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2382 output.println("#ifndef RAW");
2383 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2384 output.println("#endif");
2385 //This should throw a suitable null pointer error
2386 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2388 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2390 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2394 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2395 //TODO: need dynamic check to make sure this assignment is actually legal
2396 //Because Object[] could actually be something more specific...ie. Integer[]
2398 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2401 if (elementtype.isArray()||elementtype.isClass())
2404 type=elementtype.getSafeSymbol()+" ";
2406 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2407 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2408 output.println("failedboundschk();");
2411 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2412 //Transaction set element case
2413 if (wb.needBarrier(fsen))
2414 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
2415 if (fsen.getSrc().getType().isPtr()&&!fsen.getSrc().getType().isNull()) {
2416 output.println("{");
2417 String src=generateTemp(fm, fsen.getSrc(), lb);
2418 if ((dc==null)||dc.getNeedSrcTrans(lb, fsen)) {
2419 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2421 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2423 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2424 output.println("}");
2426 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2428 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2429 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2430 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2431 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2432 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2433 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2436 if (wb.needBarrier(fsen))
2437 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2438 } else if (dstlocal) {
2439 /** Check if we need to copy */
2440 String dst=generateTemp(fm, fsen.getDst(),lb);
2441 output.println("if(!"+dst+"->"+localcopystr+") {");
2442 /* Link object into list */
2443 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2444 output.println(revertptr+"=revertlist;");
2445 if (GENERATEPRECISEGC)
2446 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2448 output.println("COPY_OBJ("+dst+");");
2449 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2450 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2451 output.println("}");
2452 } else throw new Error("Unknown array type");
2454 output.println("{");
2455 String src=generateTemp(fm, fsen.getSrc(), lb);
2456 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2457 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2458 output.println("}");
2460 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2463 if (state.FASTCHECK) {
2464 String dst=generateTemp(fm, fsen.getDst(),lb);
2465 output.println("if(!"+dst+"->"+localcopystr+") {");
2466 /* Link object into list */
2467 if (GENERATEPRECISEGC)
2468 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2470 output.println("COPY_OBJ("+dst+");");
2471 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2472 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2473 output.println("}");
2475 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2479 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2480 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2481 //Stash pointer in case of GC
2482 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2483 output.println(revertptr+"=revertlist;");
2485 if (state.SINGLETM) {
2486 if (fn.getType().isArray()) {
2487 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2488 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2489 //inside transaction
2490 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2492 //outside transaction
2493 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2496 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2497 //inside transaction
2498 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2500 //outside transaction
2501 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2504 } else if (fn.getType().isArray()) {
2505 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2506 if (fn.isGlobal()) {
2507 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2508 } else if (GENERATEPRECISEGC) {
2509 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2511 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2514 if (fn.isGlobal()) {
2515 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
2516 } else if (GENERATEPRECISEGC) {
2517 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2519 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2522 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2523 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2524 String dst=generateTemp(fm,fn.getDst(),lb);
2525 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2526 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2527 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2529 if (state.FASTCHECK) {
2530 String dst=generateTemp(fm,fn.getDst(),lb);
2531 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2532 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2533 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2537 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2538 if (GENERATEPRECISEGC) {
2539 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2541 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2545 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2546 if (fon.getRight()!=null) {
2547 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2548 if (fon.getLeft().getType().isLong())
2549 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2551 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2554 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2555 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2556 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2557 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2558 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2559 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2560 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2561 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2562 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2563 else if (fon.getOp().getOp()==Operation.COMP)
2564 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2565 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2566 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2568 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2571 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2572 /* TODO: Do type check here */
2573 if (fcn.getType().isArray()) {
2575 } else if (fcn.getType().isClass())
2576 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2578 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2581 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2582 if (fln.getValue()==null)
2583 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2584 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2585 if (GENERATEPRECISEGC) {
2586 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2587 //Stash pointer in case of GC
2588 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2589 output.println(revertptr+"=revertlist;");
2591 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2592 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2593 //Stash pointer in case of GC
2594 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2595 output.println("revertlist="+revertptr+";");
2598 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2600 } else if (fln.getType().isBoolean()) {
2601 if (((Boolean)fln.getValue()).booleanValue())
2602 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2604 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2605 } else if (fln.getType().isChar()) {
2606 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2607 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2608 } else if (fln.getType().isLong()) {
2609 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2611 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2614 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2615 if (frn.getReturnTemp()!=null) {
2616 if (frn.getReturnTemp().getType().isPtr())
2617 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2619 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2621 output.println("return;");
2625 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2626 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2629 /** This method generates header information for the method or
2630 * task referenced by the Descriptor des. */
2632 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2634 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2635 MethodDescriptor md=null;
2636 TaskDescriptor task=null;
2637 if (des instanceof MethodDescriptor)
2638 md=(MethodDescriptor) des;
2640 task=(TaskDescriptor) des;
2642 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2644 if (md!=null&&md.getReturnType()!=null) {
2645 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2646 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2648 output.print(md.getReturnType().getSafeSymbol()+" ");
2650 //catch the constructor case
2651 output.print("void ");
2653 if (state.DSM||state.SINGLETM) {
2654 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2656 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2658 output.print(task.getSafeSymbol()+"(");
2660 boolean printcomma=false;
2661 if (GENERATEPRECISEGC) {
2663 if (state.DSM||state.SINGLETM) {
2664 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2666 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2668 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2674 for(int i=0; i<objectparams.numPrimitives(); i++) {
2675 TempDescriptor temp=objectparams.getPrimitive(i);
2679 if (temp.getType().isClass()||temp.getType().isArray())
2680 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2682 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2684 output.println(") {");
2685 } else if (!GENERATEPRECISEGC) {
2686 /* Imprecise Task */
2687 output.println("void * parameterarray[]) {");
2688 /* Unpack variables */
2689 for(int i=0; i<objectparams.numPrimitives(); i++) {
2690 TempDescriptor temp=objectparams.getPrimitive(i);
2691 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2693 for(int i=0; i<fm.numTags(); i++) {
2694 TempDescriptor temp=fm.getTag(i);
2695 int offset=i+objectparams.numPrimitives();
2696 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2699 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2700 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2701 } else output.println(") {");
2704 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2705 output.println("/* FlatFlagActionNode */");
2708 /* Process tag changes */
2709 Relation tagsettable=new Relation();
2710 Relation tagcleartable=new Relation();
2712 Iterator tagsit=ffan.getTempTagPairs();
2713 while (tagsit.hasNext()) {
2714 TempTagPair ttp=(TempTagPair) tagsit.next();
2715 TempDescriptor objtmp=ttp.getTemp();
2716 TagDescriptor tag=ttp.getTag();
2717 TempDescriptor tagtmp=ttp.getTagTemp();
2718 boolean tagstatus=ffan.getTagChange(ttp);
2720 tagsettable.put(objtmp, tagtmp);
2722 tagcleartable.put(objtmp, tagtmp);
2727 Hashtable flagandtable=new Hashtable();
2728 Hashtable flagortable=new Hashtable();
2730 /* Process flag changes */
2731 Iterator flagsit=ffan.getTempFlagPairs();
2732 while(flagsit.hasNext()) {
2733 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2734 TempDescriptor temp=tfp.getTemp();
2735 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2736 FlagDescriptor flag=tfp.getFlag();
2738 //Newly allocate objects that don't set any flags case
2739 if (flagortable.containsKey(temp)) {
2743 flagortable.put(temp,new Integer(mask));
2745 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2746 boolean flagstatus=ffan.getFlagChange(tfp);
2749 if (flagortable.containsKey(temp)) {
2750 mask=((Integer)flagortable.get(temp)).intValue();
2753 flagortable.put(temp,new Integer(mask));
2755 int mask=0xFFFFFFFF;
2756 if (flagandtable.containsKey(temp)) {
2757 mask=((Integer)flagandtable.get(temp)).intValue();
2759 mask&=(0xFFFFFFFF^flagid);
2760 flagandtable.put(temp,new Integer(mask));
2766 HashSet flagtagset=new HashSet();
2767 flagtagset.addAll(flagortable.keySet());
2768 flagtagset.addAll(flagandtable.keySet());
2769 flagtagset.addAll(tagsettable.keySet());
2770 flagtagset.addAll(tagcleartable.keySet());
2772 Iterator ftit=flagtagset.iterator();
2773 while(ftit.hasNext()) {
2774 TempDescriptor temp=(TempDescriptor)ftit.next();
2777 Set tagtmps=tagcleartable.get(temp);
2778 if (tagtmps!=null) {
2779 Iterator tagit=tagtmps.iterator();
2780 while(tagit.hasNext()) {
2781 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2782 if (GENERATEPRECISEGC)
2783 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2785 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2789 tagtmps=tagsettable.get(temp);
2790 if (tagtmps!=null) {
2791 Iterator tagit=tagtmps.iterator();
2792 while(tagit.hasNext()) {
2793 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2794 if (GENERATEPRECISEGC)
2795 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2797 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2802 int andmask=0xFFFFFFF;
2804 if (flagortable.containsKey(temp))
2805 ormask=((Integer)flagortable.get(temp)).intValue();
2806 if (flagandtable.containsKey(temp))
2807 andmask=((Integer)flagandtable.get(temp)).intValue();
2808 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2809 generateObjectDistribute(ffan, fm, lb, temp, output);
2813 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2814 PrintWriter output, int ormask, int andmask) {
2815 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2816 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2818 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2822 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2823 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
2826 void generateOptionalHeader(PrintWriter headers) {
2829 headers.println("#include \"task.h\"\n\n");
2830 headers.println("#ifndef _OPTIONAL_STRUCT_");
2831 headers.println("#define _OPTIONAL_STRUCT_");
2833 //STRUCT PREDICATEMEMBER
2834 headers.println("struct predicatemember{");
2835 headers.println("int type;");
2836 headers.println("int numdnfterms;");
2837 headers.println("int * flags;");
2838 headers.println("int numtags;");
2839 headers.println("int * tags;\n};\n\n");
2841 //STRUCT OPTIONALTASKDESCRIPTOR
2842 headers.println("struct optionaltaskdescriptor{");
2843 headers.println("struct taskdescriptor * task;");
2844 headers.println("int index;");
2845 headers.println("int numenterflags;");
2846 headers.println("int * enterflags;");
2847 headers.println("int numpredicatemembers;");
2848 headers.println("struct predicatemember ** predicatememberarray;");
2849 headers.println("};\n\n");
2851 //STRUCT TASKFAILURE
2852 headers.println("struct taskfailure {");
2853 headers.println("struct taskdescriptor * task;");
2854 headers.println("int index;");
2855 headers.println("int numoptionaltaskdescriptors;");
2856 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2858 //STRUCT FSANALYSISWRAPPER
2859 headers.println("struct fsanalysiswrapper{");
2860 headers.println("int flags;");
2861 headers.println("int numtags;");
2862 headers.println("int * tags;");
2863 headers.println("int numtaskfailures;");
2864 headers.println("struct taskfailure ** taskfailurearray;");
2865 headers.println("int numoptionaltaskdescriptors;");
2866 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2868 //STRUCT CLASSANALYSISWRAPPER
2869 headers.println("struct classanalysiswrapper{");
2870 headers.println("int type;");
2871 headers.println("int numotd;");
2872 headers.println("struct optionaltaskdescriptor ** otdarray;");
2873 headers.println("int numfsanalysiswrappers;");
2874 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2876 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2878 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2879 while(taskit.hasNext()) {
2880 TaskDescriptor td=(TaskDescriptor)taskit.next();
2881 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2886 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2887 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2888 int predicateindex = 0;
2889 //iterate through the classes concerned by the predicate
2890 Set c_vard = predicate.vardescriptors;
2891 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2894 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
2895 VarDescriptor vard = (VarDescriptor)vard_it.next();
2896 TypeDescriptor typed = vard.getType();
2898 //generate for flags
2899 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2900 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2902 if (fen_hashset!=null) {
2903 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
2904 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2906 DNFFlag dflag=fen.getDNF();
2907 numberterms+=dflag.size();
2909 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2911 for(int j=0; j<dflag.size(); j++) {
2913 output.println(",");
2914 Vector term=dflag.get(j);
2917 for(int k=0; k<term.size(); k++) {
2918 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2919 FlagDescriptor fd=dfa.getFlag();
2920 boolean negated=dfa.getNegated();
2921 int flagid=1<<((Integer)flags.get(fd)).intValue();
2926 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2931 output.println("};\n");
2934 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2935 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2938 for(int j=0; j<tagel.numTags(); j++) {
2940 output.println(",");
2941 TempDescriptor tmp=tagel.getTemp(j);
2942 if (!slotnumber.containsKey(tmp)) {
2943 Integer slotint=new Integer(current_slot++);
2944 slotnumber.put(tmp,slotint);
2946 int slot=slotnumber.get(tmp).intValue();
2947 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2949 numtags = tagel.numTags();
2951 output.println("};");
2953 //store the result into a predicatemember struct
2954 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2955 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2956 output.println("/* number of dnf terms */"+numberterms+",");
2957 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2958 output.println("/* number of tag */"+numtags+",");
2959 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2960 output.println("};\n");
2965 //generate an array that stores the entire predicate
2966 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2967 for( int j = 0; j<predicateindex; j++) {
2968 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2969 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2971 output.println("};\n");
2972 return predicateindex;
2976 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2977 generateOptionalHeader(headers);
2979 output.println("#include \"optionalstruct.h\"\n\n");
2980 output.println("#include \"stdlib.h\"\n");
2982 HashSet processedcd = new HashSet();
2984 Enumeration e = safeexecution.keys();
2985 while (e.hasMoreElements()) {
2988 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2989 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
2991 //Generate the struct of optionals
2992 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2993 numotd = c_otd.size();
2994 if(maxotd<numotd) maxotd = numotd;
2995 if( !c_otd.isEmpty() ) {
2996 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2997 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2999 //generate the int arrays for the predicate
3000 Predicate predicate = otd.predicate;
3001 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3002 TreeSet<Integer> fsset=new TreeSet<Integer>();
3003 //iterate through possible FSes corresponding to
3004 //the state when entering
3006 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
3007 FlagState fs = (FlagState)fses.next();
3009 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3010 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3011 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3014 fsset.add(new Integer(flagid));
3015 //tag information not needed because tag
3016 //changes are not tolerated.
3019 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3020 boolean needcomma=false;
3021 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
3024 output.println(it.next());
3027 output.println("};\n");
3030 //generate optionaltaskdescriptor that actually
3031 //includes exit fses, predicate and the task
3033 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3034 output.println("&task_"+otd.td.getSafeSymbol()+",");
3035 output.println("/*index*/"+otd.getIndex()+",");
3036 output.println("/*number of enter flags*/"+fsset.size()+",");
3037 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3038 output.println("/*number of members */"+predicateindex+",");
3039 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3040 output.println("};\n");
3044 // if there are no optionals, there is no need to build the rest of the struct
3046 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3047 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3048 if( !c_otd.isEmpty() ) {
3049 boolean needcomma=false;
3050 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3051 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3053 output.println(",");
3055 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3058 output.println("};\n");
3060 //get all the possible flagstates reachable by an object
3061 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3063 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3064 fsts.addAll(hashtbtemp.keySet());
3065 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
3066 FlagState fs = (FlagState)fsit.next();
3069 //get the set of OptionalTaskDescriptors corresponding
3070 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3071 //iterate through the OptionalTaskDescriptors and
3072 //store the pointers to the optionals struct (see on
3073 //top) into an array
3075 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3076 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
3077 OptionalTaskDescriptor mm = mos.next();
3079 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3081 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3084 output.println("};\n");
3086 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3089 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3090 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3091 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3095 //process tag information
3098 boolean first = true;
3099 Enumeration tag_enum = fs.getTags();
3100 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3101 while(tag_enum.hasMoreElements()) {
3103 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3107 output.println(", ");
3108 output.println("/*tagid*/"+state.getTagId(tagd));
3110 output.println("};");
3112 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3113 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3114 TaskIndex ti=itti.next();
3118 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3120 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3121 boolean needcomma=false;
3122 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
3123 OptionalTaskDescriptor otd=otdit.next();
3127 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3129 output.println("};");
3131 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3132 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3133 output.print(ti.getIndex()+", ");
3134 output.print(otdset.size()+", ");
3135 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3136 output.println("};");
3139 tiset=sa.getTaskIndex(fs);
3140 boolean needcomma=false;
3142 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3143 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3144 TaskIndex ti=itti.next();
3145 if (ti.isRuntime()) {
3152 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3154 output.println("};\n");
3156 //Store the result in fsanalysiswrapper
3158 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3159 output.println("/*flag*/"+flagid+",");
3160 output.println("/* number of tags*/"+tagcounter+",");
3161 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3162 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3163 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3164 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3165 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3166 output.println("};\n");
3170 //Build the array of fsanalysiswrappers
3171 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3172 boolean needcomma=false;
3173 for(int i = 0; i<fscounter; i++) {
3174 if (needcomma) output.print(",");
3175 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3178 output.println("};");
3180 //Build the classanalysiswrapper referring to the previous array
3181 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3182 output.println("/*type*/"+cdtemp.getId()+",");
3183 output.println("/*numotd*/"+numotd+",");
3184 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3185 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3186 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3187 processedcd.add(cdtemp);
3190 //build an array containing every classes for which code has been build
3191 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3192 for(int i=0; i<state.numClasses(); i++) {
3193 ClassDescriptor cn=cdarray[i];
3196 if (processedcd.contains(cn))
3197 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3199 output.print("NULL");
3201 output.println("};");
3203 output.println("#define MAXOTD "+maxotd);
3204 headers.println("#endif");
3207 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3208 Relation r=new Relation();
3209 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
3210 OptionalTaskDescriptor otd=otdit.next();
3211 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3215 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3216 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
3217 Set s=r.get(it.next());
3218 for(Iterator it2=s.iterator(); it2.hasNext();) {
3219 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3227 protected void outputTransCode(PrintWriter output) {