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);
86 if (state.SINGLETM&&state.DCOPTS) {
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 else if (state.SINGLETM)
451 lb.setGlobalThis(LocalityAnalysis.NORMAL);
452 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
455 outstructs.println("#define STRINGARRAYTYPE "+
456 (state.getArrayNumber(
457 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
459 outstructs.println("#define OBJECTARRAYTYPE "+
460 (state.getArrayNumber(
461 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
464 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
465 outstructs.println("#define CHARARRAYTYPE "+
466 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
468 outstructs.println("#define BYTEARRAYTYPE "+
469 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
471 outstructs.println("#define BYTEARRAYARRAYTYPE "+
472 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
474 outstructs.println("#define NUMCLASSES "+state.numClasses());
476 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
477 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
478 outstructs.println("#define TAGARRAYTYPE "+
479 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
483 protected void outputClassDeclarations(PrintWriter outclassdefs) {
484 if (state.THREAD||state.DSM||state.SINGLETM)
485 outclassdefs.println("#include <pthread.h>");
486 outclassdefs.println("#ifndef INTPTR");
487 outclassdefs.println("#ifdef BIT64");
488 outclassdefs.println("#define INTPTR long");
489 outclassdefs.println("#else");
490 outclassdefs.println("#define INTPTR int");
491 outclassdefs.println("#endif");
492 outclassdefs.println("#endif");
494 outclassdefs.println("#include \"optionalstruct.h\"");
495 outclassdefs.println("struct "+arraytype+";");
496 /* Start by declaring all structs */
497 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
498 while(it.hasNext()) {
499 ClassDescriptor cn=(ClassDescriptor)it.next();
500 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
502 outclassdefs.println("");
503 //Print out definition for array type
504 outclassdefs.println("struct "+arraytype+" {");
505 outclassdefs.println(" int type;");
507 outclassdefs.println(" pthread_t tid;");
508 outclassdefs.println(" void * lockentry;");
509 outclassdefs.println(" int lockcount;");
512 outclassdefs.println(" int flag;");
513 if(!state.MULTICORE) {
514 outclassdefs.println(" void * flagptr;");
516 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
517 outclassdefs.println(" int version;");
518 outclassdefs.println(" struct ___Object___ * original;");
519 //outclassdefs.println(" int numlocks;"); // array for locks
520 outclassdefs.println(" int * lock;");
523 outclassdefs.println(" int numfses;");
524 outclassdefs.println(" int * fses;");
527 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
529 outclassdefs.println(" int ___length___;");
530 outclassdefs.println("};\n");
531 outclassdefs.println("extern int classsize[];");
532 outclassdefs.println("extern int hasflags[];");
533 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
534 outclassdefs.println("extern int supertypes[];");
537 /** Prints out definitions for generic task structures */
539 private void outputTaskTypes(PrintWriter outtask) {
540 outtask.println("#ifndef _TASK_H");
541 outtask.println("#define _TASK_H");
542 outtask.println("struct parameterdescriptor {");
543 outtask.println("int type;");
544 outtask.println("int numberterms;");
545 outtask.println("int *intarray;");
546 outtask.println("void * queue;");
547 outtask.println("int numbertags;");
548 outtask.println("int *tagarray;");
549 outtask.println("};");
551 outtask.println("struct taskdescriptor {");
552 outtask.println("void * taskptr;");
553 outtask.println("int numParameters;");
554 outtask.println(" int numTotal;");
555 outtask.println("struct parameterdescriptor **descriptorarray;");
556 outtask.println("char * name;");
557 outtask.println("};");
558 outtask.println("extern struct taskdescriptor * taskarray[];");
559 outtask.println("extern numtasks;");
560 outtask.println("#endif");
564 private void buildRepairStructs(PrintWriter outrepairstructs) {
565 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
566 while(classit.hasNext()) {
567 ClassDescriptor cn=(ClassDescriptor)classit.next();
568 outrepairstructs.println("structure "+cn.getSymbol()+" {");
569 outrepairstructs.println(" int __type__;");
571 outrepairstructs.println(" int __flag__;");
572 if(!state.MULTICORE) {
573 outrepairstructs.println(" int __flagptr__;");
576 printRepairStruct(cn, outrepairstructs);
577 outrepairstructs.println("}\n");
580 for(int i=0; i<state.numArrays(); i++) {
581 TypeDescriptor tdarray=arraytable[i];
582 TypeDescriptor tdelement=tdarray.dereference();
583 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
584 outrepairstructs.println(" int __type__;");
585 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
586 outrepairstructs.println(" int length;");
588 // Need to add support to repair tool for this
589 if (tdelement.isClass()||tdelement.isArray())
590 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
592 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
594 outrepairstructs.println("}\n");
598 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
599 ClassDescriptor sp=cn.getSuperDesc();
601 printRepairStruct(sp, output);
603 Vector fields=(Vector)fieldorder.get(cn);
605 for(int i=0; i<fields.size(); i++) {
606 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
607 if (fd.getType().isArray()) {
608 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
609 } else if (fd.getType().isClass())
610 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
611 else if (fd.getType().isFloat())
612 output.println(" int "+fd.getSymbol()+"; /* really float */");
614 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
618 /** This method outputs TaskDescriptor information */
619 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
620 for (int i=0; i<task.numParameters(); i++) {
621 VarDescriptor param_var=task.getParameter(i);
622 TypeDescriptor param_type=task.getParamType(i);
623 FlagExpressionNode param_flag=task.getFlag(param_var);
624 TagExpressionList param_tag=task.getTag(param_var);
627 if (param_flag==null) {
628 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
629 output.println("0x0, 0x0 };");
632 DNFFlag dflag=param_flag.getDNF();
633 dnfterms=dflag.size();
635 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
636 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
637 for(int j=0; j<dflag.size(); j++) {
640 Vector term=dflag.get(j);
643 for(int k=0; k<term.size(); k++) {
644 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
645 FlagDescriptor fd=dfa.getFlag();
646 boolean negated=dfa.getNegated();
647 int flagid=1<<((Integer)flags.get(fd)).intValue();
652 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
654 output.println("};");
657 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
658 //BUG...added next line to fix, test with any task program
660 for(int j=0; j<param_tag.numTags(); j++) {
663 /* for each tag we need */
664 /* which slot it is */
665 /* what type it is */
666 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
667 TempDescriptor tmp=param_tag.getTemp(j);
668 int slot=fm.getTagInt(tmp);
669 output.println(slot+", "+state.getTagId(tvd.getTag()));
671 output.println("};");
673 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
674 output.println("/* type */"+param_type.getClassDesc().getId()+",");
675 output.println("/* number of DNF terms */"+dnfterms+",");
676 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
677 output.println("0,");
678 //BUG, added next line to fix and else statement...test
679 //with any task program
681 output.println("/* number of tags */"+param_tag.numTags()+",");
683 output.println("/* number of tags */ 0,");
684 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
685 output.println("};");
689 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
690 for (int i=0; i<task.numParameters(); i++) {
693 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
695 output.println("};");
697 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
698 output.println("&"+task.getSafeSymbol()+",");
699 output.println("/* number of parameters */" +task.numParameters() + ",");
700 int numtotal=task.numParameters()+fm.numTags();
701 output.println("/* number total parameters */" +numtotal + ",");
702 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
703 output.println("\""+task.getSymbol()+"\"");
704 output.println("};");
708 /** The buildVirtualTables method outputs the virtual dispatch
709 * tables for methods. */
711 protected void buildVirtualTables(PrintWriter outvirtual) {
712 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
713 while(classit.hasNext()) {
714 ClassDescriptor cd=(ClassDescriptor)classit.next();
715 if (virtualcalls.getMethodCount(cd)>maxcount)
716 maxcount=virtualcalls.getMethodCount(cd);
718 MethodDescriptor[][] virtualtable=null;
719 LocalityBinding[][] lbvirtualtable=null;
720 if (state.DSM||state.SINGLETM)
721 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
723 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
725 /* Fill in virtual table */
726 classit=state.getClassSymbolTable().getDescriptorsIterator();
727 while(classit.hasNext()) {
728 ClassDescriptor cd=(ClassDescriptor)classit.next();
729 if (state.DSM||state.SINGLETM)
730 fillinRow(cd, lbvirtualtable, cd.getId());
732 fillinRow(cd, virtualtable, cd.getId());
735 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
736 Iterator arrayit=state.getArrayIterator();
737 while(arrayit.hasNext()) {
738 TypeDescriptor td=(TypeDescriptor)arrayit.next();
739 int id=state.getArrayNumber(td);
740 if (state.DSM||state.SINGLETM)
741 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
743 fillinRow(objectcd, virtualtable, id+state.numClasses());
746 outvirtual.print("void * virtualtable[]={");
747 boolean needcomma=false;
748 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
749 for(int j=0; j<maxcount; j++) {
751 outvirtual.print(", ");
752 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
753 LocalityBinding lb=lbvirtualtable[i][j];
754 MethodDescriptor md=lb.getMethod();
755 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
756 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
757 MethodDescriptor md=virtualtable[i][j];
758 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
760 outvirtual.print("0");
764 outvirtual.println("");
766 outvirtual.println("};");
770 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
771 /* Get inherited methods */
772 if (cd.getSuperDesc()!=null)
773 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
774 /* Override them with our methods */
775 for(Iterator it=cd.getMethods(); it.hasNext();) {
776 MethodDescriptor md=(MethodDescriptor)it.next();
777 if (md.isStatic()||md.getReturnType()==null)
779 int methodnum=virtualcalls.getMethodNumber(md);
780 virtualtable[rownum][methodnum]=md;
784 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
785 /* Get inherited methods */
786 if (cd.getSuperDesc()!=null)
787 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
788 /* Override them with our methods */
789 if (locality.getClassBindings(cd)!=null)
790 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
791 LocalityBinding lb=lbit.next();
792 MethodDescriptor md=lb.getMethod();
793 //Is the method static or a constructor
794 if (md.isStatic()||md.getReturnType()==null)
796 int methodnum=virtualcalls.getLocalityNumber(lb);
797 virtualtable[rownum][methodnum]=lb;
801 /** Generate array that contains the sizes of class objects. The
802 * object allocation functions in the runtime use this
805 private void generateSizeArray(PrintWriter outclassdefs) {
806 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
807 outclassdefs.print("#ifdef TRANSSTATS \n");
808 outclassdefs.print("extern int numTransAbort;\n");
809 outclassdefs.print("extern int numTransCommit;\n");
810 outclassdefs.print("extern int nSoftAbort;\n");
812 outclassdefs.print("extern int nchashSearch;\n");
813 outclassdefs.print("extern int nmhashSearch;\n");
814 outclassdefs.print("extern int nprehashSearch;\n");
815 outclassdefs.print("extern int nRemoteSend;\n");
816 outclassdefs.print("extern int bytesSent;\n");
817 outclassdefs.print("extern int bytesRecv;\n");
818 outclassdefs.print("extern void handle();\n");
819 } else if (state.SINGLETM) {
820 outclassdefs.println("extern int nSoftAbortAbort;");
821 outclassdefs.println("extern int nSoftAbortCommit;");
823 outclassdefs.print("#endif\n");
824 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
826 outclassdefs.print("int classsize[]={");
827 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
828 cdarray=new ClassDescriptor[state.numClasses()];
829 while(it.hasNext()) {
830 ClassDescriptor cd=(ClassDescriptor)it.next();
831 cdarray[cd.getId()]=cd;
833 boolean needcomma=false;
834 for(int i=0; i<state.numClasses(); i++) {
836 outclassdefs.print(", ");
837 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
841 arraytable=new TypeDescriptor[state.numArrays()];
843 Iterator arrayit=state.getArrayIterator();
844 while(arrayit.hasNext()) {
845 TypeDescriptor td=(TypeDescriptor)arrayit.next();
846 int id=state.getArrayNumber(td);
850 for(int i=0; i<state.numArrays(); i++) {
852 outclassdefs.print(", ");
853 TypeDescriptor tdelement=arraytable[i].dereference();
854 if (tdelement.isArray()||tdelement.isClass())
855 outclassdefs.print("sizeof(void *)");
857 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
861 outclassdefs.println("};");
863 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
865 outclassdefs.print("int typearray[]={");
866 for(int i=0;i<state.numClasses();i++) {
867 ClassDescriptor cd=cdarray[i];
868 ClassDescriptor supercd=cd.getSuperDesc();
870 outclassdefs.print(", ");
872 outclassdefs.print("-1");
874 outclassdefs.print(supercd.getId());
878 for(int i=0;i<state.numArrays();i++) {
879 TypeDescriptor arraytd=arraytable[i];
880 ClassDescriptor arraycd=arraytd.getClassDesc();
883 outclassdefs.print(", ");
884 outclassdefs.print(objectclass.getId());
888 ClassDescriptor cd=arraycd.getSuperDesc();
891 TypeDescriptor supertd=new TypeDescriptor(cd);
892 supertd.setArrayCount(arraytd.getArrayCount());
893 type=state.getArrayNumber(supertd);
895 type+=state.numClasses();
898 cd=cd.getSuperDesc();
901 outclassdefs.print(", ");
902 outclassdefs.print(type);
906 outclassdefs.println("};");
911 outclassdefs.print("int typearray2[]={");
912 for(int i=0;i<state.numArrays();i++) {
913 TypeDescriptor arraytd=arraytable[i];
914 ClassDescriptor arraycd=arraytd.getClassDesc();
917 outclassdefs.print(", ");
918 outclassdefs.print("-1");
922 ClassDescriptor cd=arraycd.getSuperDesc();
923 int level=arraytd.getArrayCount()-1;
925 for(;level>0;level--) {
926 TypeDescriptor supertd=new TypeDescriptor(objectclass);
927 supertd.setArrayCount(level);
928 type=state.getArrayNumber(supertd);
930 type+=state.numClasses();
935 outclassdefs.print(", ");
936 outclassdefs.print(type);
940 outclassdefs.println("};");
943 /** Constructs params and temp objects for each method or task.
944 * These objects tell the compiler which temps need to be
947 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
948 MethodDescriptor md=fm.getMethod();
949 TaskDescriptor task=fm.getTask();
950 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
951 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
953 paramstable.put(lb, objectparams);
954 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
957 paramstable.put(md, objectparams);
959 paramstable.put(task, objectparams);
961 for(int i=0; i<fm.numParameters(); i++) {
962 TempDescriptor temp=fm.getParameter(i);
963 TypeDescriptor type=temp.getType();
964 if (type.isPtr()&&GENERATEPRECISEGC)
965 objectparams.addPtr(temp);
967 objectparams.addPrim(temp);
968 if(lb!=null&&saveset.contains(temp)) {
969 backuptable.get(lb).put(temp, temp.createNew());
973 for(int i=0; i<fm.numTags(); i++) {
974 TempDescriptor temp=fm.getTag(i);
975 if (GENERATEPRECISEGC)
976 objectparams.addPtr(temp);
978 objectparams.addPrim(temp);
981 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
983 tempstable.put(lb, objecttemps);
985 tempstable.put(md, objecttemps);
987 tempstable.put(task, objecttemps);
989 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
990 FlatNode fn=(FlatNode)nodeit.next();
991 TempDescriptor[] writes=fn.writesTemps();
992 for(int i=0; i<writes.length; i++) {
993 TempDescriptor temp=writes[i];
994 TypeDescriptor type=temp.getType();
995 if (type.isPtr()&&GENERATEPRECISEGC)
996 objecttemps.addPtr(temp);
998 objecttemps.addPrim(temp);
999 if(lb!=null&&saveset.contains(temp)&&
1000 !backuptable.get(lb).containsKey(temp))
1001 backuptable.get(lb).put(temp, temp.createNew());
1005 /* Create backup temps */
1007 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
1008 TempDescriptor tmp=tmpit.next();
1009 TypeDescriptor type=tmp.getType();
1010 if (type.isPtr()&&GENERATEPRECISEGC)
1011 objecttemps.addPtr(tmp);
1013 objecttemps.addPrim(tmp);
1015 /* Create temp to hold revert table */
1016 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
1017 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
1018 if (GENERATEPRECISEGC)
1019 objecttemps.addPtr(reverttmp);
1021 objecttemps.addPrim(reverttmp);
1022 reverttable.put(lb, reverttmp);
1027 /** This method outputs the following information about classes
1029 * (1) For classes, what are the locations of pointers.
1030 * (2) For arrays, does the array contain pointers or primitives.
1031 * (3) For classes, does the class contain flags.
1034 private void generateLayoutStructs(PrintWriter output) {
1035 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1036 while(it.hasNext()) {
1037 ClassDescriptor cn=(ClassDescriptor)it.next();
1038 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1039 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1041 while(allit.hasNext()) {
1042 FieldDescriptor fd=(FieldDescriptor)allit.next();
1043 TypeDescriptor type=fd.getType();
1044 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1049 output.print(count);
1050 allit=cn.getFieldTable().getAllDescriptorsIterator();
1051 while(allit.hasNext()) {
1052 FieldDescriptor fd=(FieldDescriptor)allit.next();
1053 TypeDescriptor type=fd.getType();
1054 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1057 output.println(",");
1058 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
1061 output.println("};");
1063 output.println("unsigned INTPTR * pointerarray[]={");
1064 boolean needcomma=false;
1065 for(int i=0; i<state.numClasses(); i++) {
1066 ClassDescriptor cn=cdarray[i];
1068 output.println(",");
1070 output.print(cn.getSafeSymbol()+"_pointers");
1073 for(int i=0; i<state.numArrays(); i++) {
1075 output.println(", ");
1076 TypeDescriptor tdelement=arraytable[i].dereference();
1077 if (tdelement.isArray()||tdelement.isClass())
1078 output.print("((unsigned INTPTR *)1)");
1084 output.println("};");
1086 output.println("int hasflags[]={");
1087 for(int i=0; i<state.numClasses(); i++) {
1088 ClassDescriptor cn=cdarray[i];
1090 output.println(", ");
1097 output.println("};");
1100 /** Print out table to give us supertypes */
1101 private void generateSuperTypeTable(PrintWriter output) {
1102 output.println("int supertypes[]={");
1103 boolean needcomma=false;
1104 for(int i=0; i<state.numClasses(); i++) {
1105 ClassDescriptor cn=cdarray[i];
1107 output.println(",");
1109 if (cn.getSuperDesc()!=null) {
1110 ClassDescriptor cdsuper=cn.getSuperDesc();
1111 output.print(cdsuper.getId());
1115 output.println("};");
1118 /** Force consistent field ordering between inherited classes. */
1120 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
1122 ClassDescriptor sp=cn.getSuperDesc();
1124 printClassStruct(sp, classdefout);
1126 if (!fieldorder.containsKey(cn)) {
1127 Vector fields=new Vector();
1128 fieldorder.put(cn,fields);
1129 if (sp==null&&!state.TASK) {
1130 fields.add(cn.getFieldTable().get("cachedCode"));
1132 Iterator fieldit=cn.getFields();
1133 while(fieldit.hasNext()) {
1134 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
1135 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
1136 (!fd.getSymbol().equals("cachedCode")||state.TASK))
1140 Vector fields=(Vector)fieldorder.get(cn);
1142 for(int i=0; i<fields.size(); i++) {
1143 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1144 if (fd.getType().isClass()||fd.getType().isArray())
1145 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1147 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1152 /* Map flags to integers consistently between inherited
1155 protected void mapFlags(ClassDescriptor cn) {
1156 ClassDescriptor sp=cn.getSuperDesc();
1160 if (!flagorder.containsKey(cn)) {
1161 Hashtable flags=new Hashtable();
1162 flagorder.put(cn,flags);
1164 Hashtable superflags=(Hashtable)flagorder.get(sp);
1165 Iterator superflagit=superflags.keySet().iterator();
1166 while(superflagit.hasNext()) {
1167 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1168 Integer number=(Integer)superflags.get(fd);
1169 flags.put(fd, number);
1170 if ((number.intValue()+1)>max)
1171 max=number.intValue()+1;
1175 Iterator flagit=cn.getFlags();
1176 while(flagit.hasNext()) {
1177 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1178 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1179 flags.put(fd, new Integer(max++));
1185 /** This function outputs (1) structures that parameters are
1186 * passed in (when PRECISE GC is enabled) and (2) function
1187 * prototypes for the methods */
1189 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1190 /* Output class structure */
1191 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1192 classdefout.println(" int type;");
1194 classdefout.println(" pthread_t tid;");
1195 classdefout.println(" void * lockentry;");
1196 classdefout.println(" int lockcount;");
1200 classdefout.println(" int flag;");
1201 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1202 classdefout.println(" void * flagptr;");
1203 } else if (state.MULTICORE) {
1204 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1205 classdefout.println(" int version;");
1206 classdefout.println(" struct ___Object___ * original;");
1207 //classdefout.println(" int numlocks;"); // array for locks
1208 classdefout.println(" int * lock;");
1210 if (state.OPTIONAL) {
1211 classdefout.println(" int numfses;");
1212 classdefout.println(" int * fses;");
1215 printClassStruct(cn, classdefout);
1216 classdefout.println("};\n");
1218 if (state.DSM||state.SINGLETM) {
1219 /* Cycle through LocalityBindings */
1220 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1221 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1223 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1224 LocalityBinding lb=lbit.next();
1225 MethodDescriptor md=lb.getMethod();
1226 if (md.getModifiers().isNative()) {
1227 //make sure we only print a native method once
1228 if (nativemethods.contains(md)) {
1229 FlatMethod fm=state.getMethodFlat(md);
1230 generateTempStructs(fm, lb);
1233 nativemethods.add(md);
1235 generateMethod(cn, md, lb, headersout, output);
1238 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1239 MethodDescriptor md=(MethodDescriptor)methodit.next();
1240 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1241 //Need to build param structure for library code
1242 FlatMethod fm=state.getMethodFlat(md);
1243 generateTempStructs(fm, null);
1244 generateMethodParam(cn, md, null, output);
1249 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1250 MethodDescriptor md=(MethodDescriptor)methodit.next();
1251 generateMethod(cn, md, null, headersout, output);
1255 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1256 /* Output parameter structure */
1257 if (GENERATEPRECISEGC) {
1258 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1259 if ((state.DSM||state.SINGLETM)&&lb!=null)
1260 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1262 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1263 output.println(" INTPTR size;");
1264 output.println(" void * next;");
1265 for(int i=0; i<objectparams.numPointers(); i++) {
1266 TempDescriptor temp=objectparams.getPointer(i);
1267 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1269 output.println("};\n");
1274 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1275 FlatMethod fm=state.getMethodFlat(md);
1276 generateTempStructs(fm, lb);
1278 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1279 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1281 generateMethodParam(cn, md, lb, output);
1283 /* Output temp structure */
1284 if (GENERATEPRECISEGC) {
1285 if (state.DSM||state.SINGLETM)
1286 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1288 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1289 output.println(" INTPTR size;");
1290 output.println(" void * next;");
1291 for(int i=0; i<objecttemps.numPointers(); i++) {
1292 TempDescriptor temp=objecttemps.getPointer(i);
1293 if (temp.getType().isNull())
1294 output.println(" void * "+temp.getSafeSymbol()+";");
1296 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1298 output.println("};\n");
1301 /********* Output method declaration ***********/
1302 if (state.DSM||state.SINGLETM) {
1303 headersout.println("#define D"+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1305 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1307 /* First the return type */
1308 if (md.getReturnType()!=null) {
1309 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1310 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1312 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1314 //catch the constructor case
1315 headersout.print("void ");
1317 /* Next the method name */
1318 if (state.DSM||state.SINGLETM) {
1319 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1321 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1323 boolean printcomma=false;
1324 if (GENERATEPRECISEGC) {
1325 if (state.DSM||state.SINGLETM) {
1326 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1328 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1332 /* Output parameter list*/
1333 for(int i=0; i<objectparams.numPrimitives(); i++) {
1334 TempDescriptor temp=objectparams.getPrimitive(i);
1336 headersout.print(", ");
1338 if (temp.getType().isClass()||temp.getType().isArray())
1339 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1341 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1343 headersout.println(");\n");
1347 /** This function outputs (1) structures that parameters are
1348 * passed in (when PRECISE GC is enabled) and (2) function
1349 * prototypes for the tasks */
1351 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1352 /* Cycle through tasks */
1353 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1355 while(taskit.hasNext()) {
1356 /* Classify parameters */
1357 TaskDescriptor task=(TaskDescriptor)taskit.next();
1358 FlatMethod fm=state.getMethodFlat(task);
1359 generateTempStructs(fm, null);
1361 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1362 TempObject objecttemps=(TempObject) tempstable.get(task);
1364 /* Output parameter structure */
1365 if (GENERATEPRECISEGC) {
1366 output.println("struct "+task.getSafeSymbol()+"_params {");
1368 output.println(" INTPTR size;");
1369 output.println(" void * next;");
1370 for(int i=0; i<objectparams.numPointers(); i++) {
1371 TempDescriptor temp=objectparams.getPointer(i);
1372 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1375 output.println("};\n");
1376 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1377 maxtaskparams=objectparams.numPointers()+fm.numTags();
1381 /* Output temp structure */
1382 if (GENERATEPRECISEGC) {
1383 output.println("struct "+task.getSafeSymbol()+"_locals {");
1384 output.println(" INTPTR size;");
1385 output.println(" void * next;");
1386 for(int i=0; i<objecttemps.numPointers(); i++) {
1387 TempDescriptor temp=objecttemps.getPointer(i);
1388 if (temp.getType().isNull())
1389 output.println(" void * "+temp.getSafeSymbol()+";");
1390 else if(temp.getType().isTag())
1391 output.println(" struct "+
1392 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1394 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1396 output.println("};\n");
1399 /* Output task declaration */
1400 headersout.print("void " + task.getSafeSymbol()+"(");
1402 boolean printcomma=false;
1403 if (GENERATEPRECISEGC) {
1404 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1406 headersout.print("void * parameterarray[]");
1407 headersout.println(");\n");
1411 /***** Generate code for FlatMethod fm. *****/
1413 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1414 if (State.PRINTFLAT)
1415 System.out.println(fm.printMethod());
1416 MethodDescriptor md=fm.getMethod();
1418 TaskDescriptor task=fm.getTask();
1420 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1422 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1423 generateHeader(fm, lb, md!=null ? md : task,output);
1424 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1426 if (GENERATEPRECISEGC) {
1427 if (md!=null&&(state.DSM||state.SINGLETM))
1428 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1429 else if (md!=null&&!(state.DSM||state.SINGLETM))
1430 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1432 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1434 output.print(objecttemp.numPointers()+",");
1435 output.print(paramsprefix);
1436 for(int j=0; j<objecttemp.numPointers(); j++)
1437 output.print(", NULL");
1438 output.println("};");
1441 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1442 TempDescriptor td=objecttemp.getPrimitive(i);
1443 TypeDescriptor type=td.getType();
1445 output.println(" void * "+td.getSafeSymbol()+";");
1446 else if (type.isClass()||type.isArray())
1447 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1449 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1452 /* Check to see if we need to do a GC if this is a
1453 * multi-threaded program...*/
1455 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1456 if (state.DSM&&lb.isAtomic())
1457 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1459 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1462 generateCode( fm.getNext(0), fm, lb, null, output );
1464 output.println("}\n\n");
1468 protected void generateMethodSESE( FlatSESEEnterNode fsen,
1471 PrintWriter output ) {
1473 //output.println( "void _SESE"+fsen.getPrettyIdentifier()+
1475 //generateCode( fsen.getNext(0), fm, lb, fsen.getFlatExit(), output );
1476 //output.println( "}\n\n" );
1479 output.println("struct sese"+faen.getPrettyIdentifier()+"in {");
1480 Iterator<TempDescriptor> itr = faen.getInVarSet().iterator();
1481 while( itr.hasNext() ) {
1482 TempDescriptor td = itr.next();
1483 output.println(" "+td+";");
1485 output.println("}");
1487 output.println("struct sese"+faen.getPrettyIdentifier()+"out {");
1488 itr = faen.getOutVarSet().iterator();
1489 while( itr.hasNext() ) {
1490 TempDescriptor td = itr.next();
1491 output.println(" "+td+";");
1493 output.println("}");
1499 protected void generateCode( FlatNode first,
1502 FlatSESEExitNode stop,
1503 PrintWriter output ) {
1505 /* Assign labels to FlatNode's if necessary.*/
1506 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(first);
1508 /* Do the actual code generation */
1509 FlatNode current_node=null;
1510 HashSet tovisit=new HashSet();
1511 HashSet visited=new HashSet();
1513 while(current_node!=null||!tovisit.isEmpty()) {
1514 if (current_node==null) {
1515 current_node=(FlatNode)tovisit.iterator().next();
1516 tovisit.remove(current_node);
1517 } else if (tovisit.contains(current_node)){
1518 tovisit.remove(current_node);
1520 if(current_node==stop) { return; }
1521 visited.add(current_node);
1522 if (nodetolabel.containsKey(current_node))
1523 output.println("L"+nodetolabel.get(current_node)+":");
1524 if (state.INSTRUCTIONFAILURE) {
1525 if (state.THREAD||state.DSM||state.SINGLETM) {
1526 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1528 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1530 if (current_node.numNext()==0) {
1532 generateFlatNode(fm, lb, current_node, output);
1533 if (current_node.kind()!=FKind.FlatReturnNode) {
1534 output.println(" return;");
1537 } else if(current_node.numNext()==1) {
1539 if (state.MLP && current_node.kind()==FKind.FlatSESEEnterNode) {
1540 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
1542 setSESEtoGen.add(fsen);
1543 fsen.setEnclosingFlatMeth(fm);
1545 nextnode=fsen.getFlatExit().getNext(0);
1548 generateFlatNode(fm, lb, current_node, output);
1549 nextnode=current_node.getNext(0);
1551 if (visited.contains(nextnode)) {
1552 output.println("goto L"+nodetolabel.get(nextnode)+";");
1555 current_node=nextnode;
1556 } else if (current_node.numNext()==2) {
1559 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1560 if (!visited.contains(current_node.getNext(1)))
1561 tovisit.add(current_node.getNext(1));
1562 if (visited.contains(current_node.getNext(0))) {
1563 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1566 current_node=current_node.getNext(0);
1567 } else throw new Error();
1572 /** This method assigns labels to FlatNodes */
1574 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first) {
1575 HashSet tovisit=new HashSet();
1576 HashSet visited=new HashSet();
1578 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1581 /*Assign labels first. A node needs a label if the previous
1582 * node has two exits or this node is a join point. */
1584 while(!tovisit.isEmpty()) {
1585 FlatNode fn=(FlatNode)tovisit.iterator().next();
1588 for(int i=0; i<fn.numNext(); i++) {
1589 FlatNode nn=fn.getNext(i);
1591 //1) Edge >1 of node
1592 nodetolabel.put(nn,new Integer(labelindex++));
1594 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1598 nodetolabel.put(nn,new Integer(labelindex++));
1606 /** Generate text string that corresponds to the TempDescriptor td. */
1607 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1608 MethodDescriptor md=fm.getMethod();
1609 TaskDescriptor task=fm.getTask();
1610 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1611 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1612 //System.out.println("generateTemp returns " + td.getSafeSymbol());
1613 return td.getSafeSymbol();
1616 if (objecttemps.isLocalPtr(td)) {
1617 return localsprefix+"."+td.getSafeSymbol();
1620 if (objecttemps.isParamPtr(td)) {
1621 return paramsprefix+"->"+td.getSafeSymbol();
1626 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1628 case FKind.FlatAtomicEnterNode:
1629 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1632 case FKind.FlatAtomicExitNode:
1633 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1636 case FKind.FlatInstanceOfNode:
1637 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
1640 case FKind.FlatSESEEnterNode:
1644 case FKind.FlatSESEExitNode:
1648 case FKind.FlatGlobalConvNode:
1649 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1652 case FKind.FlatTagDeclaration:
1653 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1656 case FKind.FlatCall:
1657 generateFlatCall(fm, lb, (FlatCall) fn,output);
1660 case FKind.FlatFieldNode:
1661 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1664 case FKind.FlatElementNode:
1665 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1668 case FKind.FlatSetElementNode:
1669 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1672 case FKind.FlatSetFieldNode:
1673 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1677 generateFlatNew(fm, lb, (FlatNew) fn,output);
1680 case FKind.FlatOpNode:
1681 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1684 case FKind.FlatCastNode:
1685 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1688 case FKind.FlatLiteralNode:
1689 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1692 case FKind.FlatReturnNode:
1693 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1697 output.println("/* nop */");
1700 case FKind.FlatExit:
1701 output.println("/* exit */");
1704 case FKind.FlatBackEdge:
1705 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1706 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1707 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1709 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1711 output.println("/* nop */");
1714 case FKind.FlatCheckNode:
1715 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1718 case FKind.FlatFlagActionNode:
1719 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1722 case FKind.FlatPrefetchNode:
1723 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1726 case FKind.FlatOffsetNode:
1727 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
1733 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
1734 output.println("/* FlatOffsetNode */");
1735 FieldDescriptor fd=fofn.getField();
1736 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+");");
1737 output.println("/* offset */");
1740 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1741 if (state.PREFETCH) {
1742 Vector oids = new Vector();
1743 Vector fieldoffset = new Vector();
1744 Vector endoffset = new Vector();
1745 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1746 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
1747 PrefetchPair pp = (PrefetchPair) it.next();
1748 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1749 /* Find prefetches that can generate oid */
1750 if(statusbase == LocalityAnalysis.GLOBAL) {
1751 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1753 } else if (statusbase == LocalityAnalysis.LOCAL) {
1754 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1761 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
1762 output.println("{");
1763 output.println("/* prefetch */");
1764 output.println("/* prefetchid_" + fpn.siteid + " */");
1765 output.println("void * prefptr;");
1766 output.println("int tmpindex;");
1768 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1769 /*Create C code for oid array */
1770 output.print(" unsigned int oidarray_[] = {");
1771 boolean needcomma=false;
1772 for (Iterator it = oids.iterator(); it.hasNext();) {
1775 output.print(it.next());
1778 output.println("};");
1780 /*Create C code for endoffset values */
1781 output.print(" unsigned short endoffsetarry_[] = {");
1783 for (Iterator it = endoffset.iterator(); it.hasNext();) {
1786 output.print(it.next());
1789 output.println("};");
1791 /*Create C code for Field Offset Values */
1792 output.print(" short fieldarry_[] = {");
1794 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
1797 output.print(it.next());
1800 output.println("};");
1801 /* make the prefetch call to Runtime */
1802 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1803 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1804 output.println(" }");
1805 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1806 output.println(" } else {");
1807 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1808 output.println(" }");
1809 output.println("}");
1813 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1814 short offsetcount = 0;
1818 } else if (localbase) {
1819 for(; breakindex<pp.desc.size(); breakindex++) {
1820 Descriptor desc=pp.getDescAt(breakindex);
1821 if (desc instanceof FieldDescriptor) {
1822 FieldDescriptor fd=(FieldDescriptor)desc;
1823 if (fd.isGlobal()) {
1831 if (breakindex>pp.desc.size()) //all local
1834 TypeDescriptor lasttype=pp.base.getType();
1835 String basestr=generateTemp(fm, pp.base, lb);
1837 boolean maybenull=fm.getMethod().isStatic()||
1838 !pp.base.equals(fm.getParameter(0));
1840 for(int i=0; i<breakindex; i++) {
1841 String indexcheck="";
1843 Descriptor desc=pp.getDescAt(i);
1844 if (desc instanceof FieldDescriptor) {
1845 FieldDescriptor fd=(FieldDescriptor)desc;
1847 if (!teststr.equals(""))
1849 teststr+="((prefptr="+basestr+")!=NULL)";
1850 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
1852 basestr=basestr+"->"+fd.getSafeSymbol();
1855 lasttype=fd.getType();
1857 IndexDescriptor id=(IndexDescriptor)desc;
1858 indexcheck="((tmpindex=";
1859 for(int j=0; j<id.tddesc.size(); j++) {
1860 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
1862 indexcheck+=id.offset+")>=0)&&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
1864 if (!teststr.equals(""))
1866 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
1867 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
1869 lasttype=lasttype.dereference();
1874 if (teststr.equals("")) {
1875 oid="((unsigned int)"+basestr+")";
1877 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
1881 for(int i = breakindex; i < pp.desc.size(); i++) {
1882 String newfieldoffset;
1883 Object desc = pp.getDescAt(i);
1884 if(desc instanceof FieldDescriptor) {
1885 FieldDescriptor fd=(FieldDescriptor)desc;
1886 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
1887 lasttype=fd.getType();
1889 newfieldoffset = "";
1890 IndexDescriptor id=(IndexDescriptor)desc;
1891 for(int j = 0; j < id.tddesc.size(); j++) {
1892 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
1894 newfieldoffset += id.offset.toString();
1895 lasttype=lasttype.dereference();
1897 fieldoffset.add(newfieldoffset);
1900 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
1901 base+=pp.desc.size()-breakindex;
1902 endoffset.add(new Short((short)base));
1907 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1908 if (lb!=fgcn.getLocality())
1910 /* Have to generate flat globalconv */
1911 if (fgcn.getMakePtr()) {
1913 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1915 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1918 /* Need to convert to OID */
1919 if (fgcn.doConvert()) {
1920 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1922 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
1927 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
1929 if (fion.getType().isArray()) {
1930 type=state.getArrayNumber(fion.getType())+state.numClasses();
1932 type=fion.getType().getClassDesc().getId();
1935 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
1936 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
1938 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
1941 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1942 /* Check to see if we need to generate code for this atomic */
1943 if (locality==null||locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1945 /* Backup the temps. */
1946 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1947 TempDescriptor tmp=tmpit.next();
1948 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1951 output.println("goto transstart"+faen.getIdentifier()+";");
1953 /******* Print code to retry aborted transaction *******/
1954 output.println("transretry"+faen.getIdentifier()+":");
1957 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1958 TempDescriptor tmp=tmpit.next();
1959 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
1963 /********* Need to revert local object store ********/
1964 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1966 output.println("while ("+revertptr+") {");
1967 output.println("struct ___Object___ * tmpptr;");
1968 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1969 output.println("REVERT_OBJ("+revertptr+");");
1970 output.println(revertptr+"=tmpptr;");
1971 output.println("}");
1973 /******* Tell the runtime to start the transaction *******/
1975 output.println("transstart"+faen.getIdentifier()+":");
1976 output.println("transStart();");
1978 if (state.ABORTREADERS) {
1979 output.println("if (_setjmp(aborttrans)) {");
1980 output.println(" goto transretry"+faen.getIdentifier()+"; }");
1984 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1985 /* Check to see if we need to generate code for this atomic */
1986 if (locality==null||locality.getAtomic(lb).get(faen).intValue()>0)
1988 //store the revert list before we lose the transaction object
1989 String revertptr=null;
1991 revertptr=generateTemp(fm, reverttable.get(lb),lb);
1992 output.println(revertptr+"=revertlist;");
1994 output.println("if (transCommit()) {");
1995 /* Transaction aborts if it returns true */
1996 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1998 output.println("} else {");
1999 /* Need to commit local object store */
2000 output.println("while ("+revertptr+") {");
2001 output.println("struct ___Object___ * tmpptr;");
2002 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2003 output.println("COMMIT_OBJ("+revertptr+");");
2004 output.println(revertptr+"=tmpptr;");
2005 output.println("}");
2007 output.println("}");
2011 public void generateSESE(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
2016 public void generateFlatSESEEnterNode(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
2019 public void generateFlatSESEExitNode(FlatMethod fm, LocalityBinding lb, FlatSESEExitNode faen, PrintWriter output) {
2020 //output.println("mlpNotifyExit( (struct SESE*)0 );");
2023 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
2024 if (state.CONSCHECK) {
2025 String specname=fcn.getSpec();
2026 String varname="repairstate___";
2027 output.println("{");
2028 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2030 TempDescriptor[] temps=fcn.getTemps();
2031 String[] vars=fcn.getVars();
2032 for(int i=0; i<temps.length; i++) {
2033 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
2036 output.println("if (doanalysis"+specname+"("+varname+")) {");
2037 output.println("free"+specname+"_state("+varname+");");
2038 output.println("} else {");
2039 output.println("/* Bad invariant */");
2040 output.println("free"+specname+"_state("+varname+");");
2041 output.println("abort_task();");
2042 output.println("}");
2043 output.println("}");
2047 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
2048 MethodDescriptor md=fc.getMethod();
2049 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM||state.SINGLETM ? locality.getBinding(lb, fc) : md);
2050 ClassDescriptor cn=md.getClassDesc();
2051 output.println("{");
2052 if (GENERATEPRECISEGC) {
2053 if (state.DSM||state.SINGLETM) {
2054 LocalityBinding fclb=locality.getBinding(lb, fc);
2055 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2057 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2059 output.print(objectparams.numPointers());
2060 output.print(", & "+localsprefix);
2061 if (md.getThis()!=null) {
2063 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
2065 if (fc.getThis()!=null&&md.getThis()==null) {
2066 System.out.println("WARNING!!!!!!!!!!!!");
2067 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2071 for(int i=0; i<fc.numArgs(); i++) {
2072 Descriptor var=md.getParameter(i);
2073 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2074 if (objectparams.isParamPtr(paramtemp)) {
2075 TempDescriptor targ=fc.getArg(i);
2077 TypeDescriptor td=md.getParamType(i);
2079 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2081 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2084 output.println("};");
2089 if (fc.getReturnTemp()!=null)
2090 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
2092 /* Do we need to do virtual dispatch? */
2093 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
2095 if (state.DSM||state.SINGLETM) {
2096 LocalityBinding fclb=locality.getBinding(lb, fc);
2097 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2099 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2104 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2105 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2107 output.print(md.getReturnType().getSafeSymbol()+" ");
2108 output.print("(*)(");
2110 boolean printcomma=false;
2111 if (GENERATEPRECISEGC) {
2112 if (state.DSM||state.SINGLETM) {
2113 LocalityBinding fclb=locality.getBinding(lb, fc);
2114 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2116 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2120 for(int i=0; i<objectparams.numPrimitives(); i++) {
2121 TempDescriptor temp=objectparams.getPrimitive(i);
2125 if (temp.getType().isClass()||temp.getType().isArray())
2126 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2128 output.print(temp.getType().getSafeSymbol());
2132 if (state.DSM||state.SINGLETM) {
2133 LocalityBinding fclb=locality.getBinding(lb, fc);
2134 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
2136 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2140 boolean needcomma=false;
2141 if (GENERATEPRECISEGC) {
2142 output.print("&__parameterlist__");
2146 if (!GENERATEPRECISEGC) {
2147 if (fc.getThis()!=null) {
2148 TypeDescriptor ptd=md.getThis().getType();
2151 if (ptd.isClass()&&!ptd.isArray())
2152 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2153 output.print(generateTemp(fm,fc.getThis(),lb));
2158 for(int i=0; i<fc.numArgs(); i++) {
2159 Descriptor var=md.getParameter(i);
2160 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2161 if (objectparams.isParamPrim(paramtemp)) {
2162 TempDescriptor targ=fc.getArg(i);
2166 TypeDescriptor ptd=md.getParamType(i);
2167 if (ptd.isClass()&&!ptd.isArray())
2168 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2169 output.print(generateTemp(fm, targ,lb));
2173 output.println(");");
2174 output.println(" }");
2177 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2178 Set subclasses=typeutil.getSubClasses(thiscd);
2179 if (subclasses==null)
2181 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
2182 ClassDescriptor cd=(ClassDescriptor)classit.next();
2183 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
2184 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
2185 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2186 if (md.matches(matchmd))
2193 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
2194 if (state.SINGLETM) {
2195 //single machine transactional memory case
2196 String field=ffn.getField().getSafeSymbol();
2197 String src=generateTemp(fm, ffn.getSrc(),lb);
2198 String dst=generateTemp(fm, ffn.getDst(),lb);
2200 output.println(dst+"="+ src +"->"+field+ ";");
2201 if (ffn.getField().getType().isPtr()&&locality.getAtomic(lb).get(ffn).intValue()>0&&
2202 ((dc==null)||dc.getNeedTrans(lb, ffn))&&
2203 locality.getNodePreTempInfo(lb, ffn).get(ffn.getSrc())!=LocalityAnalysis.SCRATCH) {
2204 output.println("TRANSREAD("+dst+", "+dst+");");
2206 } else if (state.DSM) {
2207 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
2208 if (status==LocalityAnalysis.GLOBAL) {
2209 String field=ffn.getField().getSafeSymbol();
2210 String src=generateTemp(fm, ffn.getSrc(),lb);
2211 String dst=generateTemp(fm, ffn.getDst(),lb);
2213 if (ffn.getField().getType().isPtr()) {
2215 //TODO: Uncomment this when we have runtime support
2216 //if (ffn.getSrc()==ffn.getDst()) {
2217 //output.println("{");
2218 //output.println("void * temp="+src+";");
2219 //output.println("if (temp&0x1) {");
2220 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
2221 //output.println(src+"->"+field+"="+temp+";");
2222 //output.println("}");
2223 //output.println(dst+"=temp;");
2224 //output.println("}");
2226 output.println(dst+"="+ src +"->"+field+ ";");
2227 //output.println("if ("+dst+"&0x1) {");
2228 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2229 //output.println(src+"->"+field+"="+src+"->"+field+";");
2230 //output.println("}");
2233 output.println(dst+"="+ src+"->"+field+";");
2235 } else if (status==LocalityAnalysis.LOCAL) {
2236 if (ffn.getField().getType().isPtr()&&
2237 ffn.getField().isGlobal()) {
2238 String field=ffn.getField().getSafeSymbol();
2239 String src=generateTemp(fm, ffn.getSrc(),lb);
2240 String dst=generateTemp(fm, ffn.getDst(),lb);
2241 output.println(dst+"="+ src +"->"+field+ ";");
2242 if (locality.getAtomic(lb).get(ffn).intValue()>0)
2243 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2245 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2246 } else if (status==LocalityAnalysis.EITHER) {
2247 //Code is reading from a null pointer
2248 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
2249 output.println("#ifndef RAW");
2250 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2251 output.println("#endif");
2252 //This should throw a suitable null pointer error
2253 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2255 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2257 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2261 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
2262 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2263 throw new Error("Can't set array length");
2264 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2265 //Single Machine Transaction Case
2266 boolean srcptr=fsfn.getSrc().getType().isPtr();
2267 String src=generateTemp(fm,fsfn.getSrc(),lb);
2268 String dst=generateTemp(fm,fsfn.getDst(),lb);
2269 if (srcptr&&!fsfn.getSrc().getType().isNull()) {
2270 output.println("{");
2271 if ((dc==null)||dc.getNeedSrcTrans(lb, fsfn)&&
2272 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getSrc())!=LocalityAnalysis.SCRATCH) {
2273 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2275 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2278 if (wb.needBarrier(fsfn)&&
2279 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getDst())!=LocalityAnalysis.SCRATCH) {
2280 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
2282 if (srcptr&!fsfn.getSrc().getType().isNull()) {
2283 output.println("*((unsigned INTPTR *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2284 output.println("}");
2286 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2288 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2289 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
2290 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
2291 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2293 String src=generateTemp(fm,fsfn.getSrc(),lb);
2294 String dst=generateTemp(fm,fsfn.getDst(),lb);
2296 output.println("{");
2297 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2299 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2302 if (wb.needBarrier(fsfn))
2303 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2305 output.println("*((unsigned INTPTR *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2307 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2308 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2309 /** Check if we need to copy */
2310 output.println("if(!"+dst+"->"+localcopystr+") {");
2311 /* Link object into list */
2312 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2313 output.println(revertptr+"=revertlist;");
2314 if (GENERATEPRECISEGC)
2315 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2317 output.println("COPY_OBJ("+dst+");");
2318 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2319 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2320 output.println("}");
2322 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2324 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2325 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2326 //writing to a null...bad
2327 output.println("if ("+dst+") {");
2328 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2330 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2332 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2335 output.println("}");
2338 if (state.FASTCHECK) {
2339 String dst=generateTemp(fm, fsfn.getDst(),lb);
2340 output.println("if(!"+dst+"->"+localcopystr+") {");
2341 /* Link object into list */
2342 if (GENERATEPRECISEGC)
2343 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2345 output.println("COPY_OBJ("+dst+");");
2346 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2347 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2348 output.println("}");
2350 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2354 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2355 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2358 if (elementtype.isArray()||elementtype.isClass())
2361 type=elementtype.getSafeSymbol()+" ";
2363 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2364 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2365 output.println("failedboundschk();");
2367 if (state.SINGLETM) {
2368 //Single machine transaction case
2369 String dst=generateTemp(fm, fen.getDst(),lb);
2370 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2372 if (elementtype.isPtr()&&locality.getAtomic(lb).get(fen).intValue()>0&&
2373 ((dc==null)||dc.getNeedTrans(lb, fen))&&
2374 locality.getNodePreTempInfo(lb, fen).get(fen.getSrc())!=LocalityAnalysis.SCRATCH) {
2375 output.println("TRANSREAD("+dst+", "+dst+");");
2377 } else if (state.DSM) {
2378 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2379 if (status==LocalityAnalysis.GLOBAL) {
2380 String dst=generateTemp(fm, fen.getDst(),lb);
2382 if (elementtype.isPtr()) {
2383 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2384 output.println("TRANSREAD("+dst+", "+dst+");");
2386 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2388 } else if (status==LocalityAnalysis.LOCAL) {
2389 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2390 } else if (status==LocalityAnalysis.EITHER) {
2391 //Code is reading from a null pointer
2392 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2393 output.println("#ifndef RAW");
2394 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2395 output.println("#endif");
2396 //This should throw a suitable null pointer error
2397 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2399 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2401 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2405 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2406 //TODO: need dynamic check to make sure this assignment is actually legal
2407 //Because Object[] could actually be something more specific...ie. Integer[]
2409 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2412 if (elementtype.isArray()||elementtype.isClass())
2415 type=elementtype.getSafeSymbol()+" ";
2417 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2418 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2419 output.println("failedboundschk();");
2422 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2423 //Transaction set element case
2424 if (wb.needBarrier(fsen)&&
2425 locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH) {
2426 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
2428 if (fsen.getSrc().getType().isPtr()&&!fsen.getSrc().getType().isNull()) {
2429 output.println("{");
2430 String src=generateTemp(fm, fsen.getSrc(), lb);
2431 if ((dc==null)||dc.getNeedSrcTrans(lb, fsen)&&
2432 locality.getNodePreTempInfo(lb, fsen).get(fsen.getSrc())!=LocalityAnalysis.SCRATCH) {
2433 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2435 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2437 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2438 output.println("}");
2440 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2442 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2443 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2444 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2445 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2446 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2447 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2450 if (wb.needBarrier(fsen))
2451 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2452 } else if (dstlocal) {
2453 /** Check if we need to copy */
2454 String dst=generateTemp(fm, fsen.getDst(),lb);
2455 output.println("if(!"+dst+"->"+localcopystr+") {");
2456 /* Link object into list */
2457 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2458 output.println(revertptr+"=revertlist;");
2459 if (GENERATEPRECISEGC)
2460 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2462 output.println("COPY_OBJ("+dst+");");
2463 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2464 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2465 output.println("}");
2466 } else throw new Error("Unknown array type");
2468 output.println("{");
2469 String src=generateTemp(fm, fsen.getSrc(), lb);
2470 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2471 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2472 output.println("}");
2474 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2477 if (state.FASTCHECK) {
2478 String dst=generateTemp(fm, fsen.getDst(),lb);
2479 output.println("if(!"+dst+"->"+localcopystr+") {");
2480 /* Link object into list */
2481 if (GENERATEPRECISEGC)
2482 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2484 output.println("COPY_OBJ("+dst+");");
2485 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2486 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2487 output.println("}");
2489 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2493 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2494 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2495 //Stash pointer in case of GC
2496 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2497 output.println(revertptr+"=revertlist;");
2499 if (state.SINGLETM) {
2500 if (fn.getType().isArray()) {
2501 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2502 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2503 //inside transaction
2504 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2506 //outside transaction
2507 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2510 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2511 //inside transaction
2512 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2514 //outside transaction
2515 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2518 } else if (fn.getType().isArray()) {
2519 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2520 if (fn.isGlobal()&&(state.DSM||state.SINGLETM)) {
2521 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2522 } else if (GENERATEPRECISEGC) {
2523 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2525 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2528 if (fn.isGlobal()) {
2529 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
2530 } else if (GENERATEPRECISEGC) {
2531 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2533 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2536 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2537 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2538 String dst=generateTemp(fm,fn.getDst(),lb);
2539 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2540 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2541 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2543 if (state.FASTCHECK) {
2544 String dst=generateTemp(fm,fn.getDst(),lb);
2545 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2546 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2547 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2551 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2552 if (GENERATEPRECISEGC) {
2553 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2555 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2559 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2560 if (fon.getRight()!=null) {
2561 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2562 if (fon.getLeft().getType().isLong())
2563 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2565 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2568 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2569 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2570 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2571 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2572 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2573 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2574 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2575 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2576 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2577 else if (fon.getOp().getOp()==Operation.COMP)
2578 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2579 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2580 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2582 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2585 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2586 /* TODO: Do type check here */
2587 if (fcn.getType().isArray()) {
2589 } else if (fcn.getType().isClass())
2590 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2592 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2595 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2596 if (fln.getValue()==null)
2597 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2598 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2599 if (GENERATEPRECISEGC) {
2600 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2601 //Stash pointer in case of GC
2602 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2603 output.println(revertptr+"=revertlist;");
2605 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2606 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2607 //Stash pointer in case of GC
2608 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2609 output.println("revertlist="+revertptr+";");
2612 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2614 } else if (fln.getType().isBoolean()) {
2615 if (((Boolean)fln.getValue()).booleanValue())
2616 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2618 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2619 } else if (fln.getType().isChar()) {
2620 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2621 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2622 } else if (fln.getType().isLong()) {
2623 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2625 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2628 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2629 if (frn.getReturnTemp()!=null) {
2630 if (frn.getReturnTemp().getType().isPtr())
2631 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2633 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2635 output.println("return;");
2639 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2640 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2643 /** This method generates header information for the method or
2644 * task referenced by the Descriptor des. */
2646 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2648 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2649 MethodDescriptor md=null;
2650 TaskDescriptor task=null;
2651 if (des instanceof MethodDescriptor)
2652 md=(MethodDescriptor) des;
2654 task=(TaskDescriptor) des;
2656 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2658 if (md!=null&&md.getReturnType()!=null) {
2659 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2660 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2662 output.print(md.getReturnType().getSafeSymbol()+" ");
2664 //catch the constructor case
2665 output.print("void ");
2667 if (state.DSM||state.SINGLETM) {
2668 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2670 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2672 output.print(task.getSafeSymbol()+"(");
2674 boolean printcomma=false;
2675 if (GENERATEPRECISEGC) {
2677 if (state.DSM||state.SINGLETM) {
2678 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2680 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2682 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2688 for(int i=0; i<objectparams.numPrimitives(); i++) {
2689 TempDescriptor temp=objectparams.getPrimitive(i);
2693 if (temp.getType().isClass()||temp.getType().isArray())
2694 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2696 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2698 output.println(") {");
2699 } else if (!GENERATEPRECISEGC) {
2700 /* Imprecise Task */
2701 output.println("void * parameterarray[]) {");
2702 /* Unpack variables */
2703 for(int i=0; i<objectparams.numPrimitives(); i++) {
2704 TempDescriptor temp=objectparams.getPrimitive(i);
2705 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2707 for(int i=0; i<fm.numTags(); i++) {
2708 TempDescriptor temp=fm.getTag(i);
2709 int offset=i+objectparams.numPrimitives();
2710 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2713 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2714 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2715 } else output.println(") {");
2718 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2719 output.println("/* FlatFlagActionNode */");
2722 /* Process tag changes */
2723 Relation tagsettable=new Relation();
2724 Relation tagcleartable=new Relation();
2726 Iterator tagsit=ffan.getTempTagPairs();
2727 while (tagsit.hasNext()) {
2728 TempTagPair ttp=(TempTagPair) tagsit.next();
2729 TempDescriptor objtmp=ttp.getTemp();
2730 TagDescriptor tag=ttp.getTag();
2731 TempDescriptor tagtmp=ttp.getTagTemp();
2732 boolean tagstatus=ffan.getTagChange(ttp);
2734 tagsettable.put(objtmp, tagtmp);
2736 tagcleartable.put(objtmp, tagtmp);
2741 Hashtable flagandtable=new Hashtable();
2742 Hashtable flagortable=new Hashtable();
2744 /* Process flag changes */
2745 Iterator flagsit=ffan.getTempFlagPairs();
2746 while(flagsit.hasNext()) {
2747 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2748 TempDescriptor temp=tfp.getTemp();
2749 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2750 FlagDescriptor flag=tfp.getFlag();
2752 //Newly allocate objects that don't set any flags case
2753 if (flagortable.containsKey(temp)) {
2757 flagortable.put(temp,new Integer(mask));
2759 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2760 boolean flagstatus=ffan.getFlagChange(tfp);
2763 if (flagortable.containsKey(temp)) {
2764 mask=((Integer)flagortable.get(temp)).intValue();
2767 flagortable.put(temp,new Integer(mask));
2769 int mask=0xFFFFFFFF;
2770 if (flagandtable.containsKey(temp)) {
2771 mask=((Integer)flagandtable.get(temp)).intValue();
2773 mask&=(0xFFFFFFFF^flagid);
2774 flagandtable.put(temp,new Integer(mask));
2780 HashSet flagtagset=new HashSet();
2781 flagtagset.addAll(flagortable.keySet());
2782 flagtagset.addAll(flagandtable.keySet());
2783 flagtagset.addAll(tagsettable.keySet());
2784 flagtagset.addAll(tagcleartable.keySet());
2786 Iterator ftit=flagtagset.iterator();
2787 while(ftit.hasNext()) {
2788 TempDescriptor temp=(TempDescriptor)ftit.next();
2791 Set tagtmps=tagcleartable.get(temp);
2792 if (tagtmps!=null) {
2793 Iterator tagit=tagtmps.iterator();
2794 while(tagit.hasNext()) {
2795 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2796 if (GENERATEPRECISEGC)
2797 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2799 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2803 tagtmps=tagsettable.get(temp);
2804 if (tagtmps!=null) {
2805 Iterator tagit=tagtmps.iterator();
2806 while(tagit.hasNext()) {
2807 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2808 if (GENERATEPRECISEGC)
2809 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2811 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2816 int andmask=0xFFFFFFF;
2818 if (flagortable.containsKey(temp))
2819 ormask=((Integer)flagortable.get(temp)).intValue();
2820 if (flagandtable.containsKey(temp))
2821 andmask=((Integer)flagandtable.get(temp)).intValue();
2822 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2823 generateObjectDistribute(ffan, fm, lb, temp, output);
2827 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2828 PrintWriter output, int ormask, int andmask) {
2829 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2830 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2832 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2836 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2837 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
2840 void generateOptionalHeader(PrintWriter headers) {
2843 headers.println("#include \"task.h\"\n\n");
2844 headers.println("#ifndef _OPTIONAL_STRUCT_");
2845 headers.println("#define _OPTIONAL_STRUCT_");
2847 //STRUCT PREDICATEMEMBER
2848 headers.println("struct predicatemember{");
2849 headers.println("int type;");
2850 headers.println("int numdnfterms;");
2851 headers.println("int * flags;");
2852 headers.println("int numtags;");
2853 headers.println("int * tags;\n};\n\n");
2855 //STRUCT OPTIONALTASKDESCRIPTOR
2856 headers.println("struct optionaltaskdescriptor{");
2857 headers.println("struct taskdescriptor * task;");
2858 headers.println("int index;");
2859 headers.println("int numenterflags;");
2860 headers.println("int * enterflags;");
2861 headers.println("int numpredicatemembers;");
2862 headers.println("struct predicatemember ** predicatememberarray;");
2863 headers.println("};\n\n");
2865 //STRUCT TASKFAILURE
2866 headers.println("struct taskfailure {");
2867 headers.println("struct taskdescriptor * task;");
2868 headers.println("int index;");
2869 headers.println("int numoptionaltaskdescriptors;");
2870 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2872 //STRUCT FSANALYSISWRAPPER
2873 headers.println("struct fsanalysiswrapper{");
2874 headers.println("int flags;");
2875 headers.println("int numtags;");
2876 headers.println("int * tags;");
2877 headers.println("int numtaskfailures;");
2878 headers.println("struct taskfailure ** taskfailurearray;");
2879 headers.println("int numoptionaltaskdescriptors;");
2880 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2882 //STRUCT CLASSANALYSISWRAPPER
2883 headers.println("struct classanalysiswrapper{");
2884 headers.println("int type;");
2885 headers.println("int numotd;");
2886 headers.println("struct optionaltaskdescriptor ** otdarray;");
2887 headers.println("int numfsanalysiswrappers;");
2888 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2890 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2892 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2893 while(taskit.hasNext()) {
2894 TaskDescriptor td=(TaskDescriptor)taskit.next();
2895 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2900 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2901 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2902 int predicateindex = 0;
2903 //iterate through the classes concerned by the predicate
2904 Set c_vard = predicate.vardescriptors;
2905 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2908 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
2909 VarDescriptor vard = (VarDescriptor)vard_it.next();
2910 TypeDescriptor typed = vard.getType();
2912 //generate for flags
2913 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2914 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2916 if (fen_hashset!=null) {
2917 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
2918 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2920 DNFFlag dflag=fen.getDNF();
2921 numberterms+=dflag.size();
2923 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2925 for(int j=0; j<dflag.size(); j++) {
2927 output.println(",");
2928 Vector term=dflag.get(j);
2931 for(int k=0; k<term.size(); k++) {
2932 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2933 FlagDescriptor fd=dfa.getFlag();
2934 boolean negated=dfa.getNegated();
2935 int flagid=1<<((Integer)flags.get(fd)).intValue();
2940 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2945 output.println("};\n");
2948 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2949 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2952 for(int j=0; j<tagel.numTags(); j++) {
2954 output.println(",");
2955 TempDescriptor tmp=tagel.getTemp(j);
2956 if (!slotnumber.containsKey(tmp)) {
2957 Integer slotint=new Integer(current_slot++);
2958 slotnumber.put(tmp,slotint);
2960 int slot=slotnumber.get(tmp).intValue();
2961 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2963 numtags = tagel.numTags();
2965 output.println("};");
2967 //store the result into a predicatemember struct
2968 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2969 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2970 output.println("/* number of dnf terms */"+numberterms+",");
2971 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2972 output.println("/* number of tag */"+numtags+",");
2973 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2974 output.println("};\n");
2979 //generate an array that stores the entire predicate
2980 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2981 for( int j = 0; j<predicateindex; j++) {
2982 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2983 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2985 output.println("};\n");
2986 return predicateindex;
2990 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2991 generateOptionalHeader(headers);
2993 output.println("#include \"optionalstruct.h\"\n\n");
2994 output.println("#include \"stdlib.h\"\n");
2996 HashSet processedcd = new HashSet();
2998 Enumeration e = safeexecution.keys();
2999 while (e.hasMoreElements()) {
3002 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3003 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3005 //Generate the struct of optionals
3006 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3007 numotd = c_otd.size();
3008 if(maxotd<numotd) maxotd = numotd;
3009 if( !c_otd.isEmpty() ) {
3010 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3011 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3013 //generate the int arrays for the predicate
3014 Predicate predicate = otd.predicate;
3015 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3016 TreeSet<Integer> fsset=new TreeSet<Integer>();
3017 //iterate through possible FSes corresponding to
3018 //the state when entering
3020 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
3021 FlagState fs = (FlagState)fses.next();
3023 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3024 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3025 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3028 fsset.add(new Integer(flagid));
3029 //tag information not needed because tag
3030 //changes are not tolerated.
3033 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3034 boolean needcomma=false;
3035 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
3038 output.println(it.next());
3041 output.println("};\n");
3044 //generate optionaltaskdescriptor that actually
3045 //includes exit fses, predicate and the task
3047 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3048 output.println("&task_"+otd.td.getSafeSymbol()+",");
3049 output.println("/*index*/"+otd.getIndex()+",");
3050 output.println("/*number of enter flags*/"+fsset.size()+",");
3051 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3052 output.println("/*number of members */"+predicateindex+",");
3053 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3054 output.println("};\n");
3058 // if there are no optionals, there is no need to build the rest of the struct
3060 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3061 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3062 if( !c_otd.isEmpty() ) {
3063 boolean needcomma=false;
3064 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3065 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3067 output.println(",");
3069 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3072 output.println("};\n");
3074 //get all the possible flagstates reachable by an object
3075 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3077 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3078 fsts.addAll(hashtbtemp.keySet());
3079 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
3080 FlagState fs = (FlagState)fsit.next();
3083 //get the set of OptionalTaskDescriptors corresponding
3084 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3085 //iterate through the OptionalTaskDescriptors and
3086 //store the pointers to the optionals struct (see on
3087 //top) into an array
3089 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3090 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
3091 OptionalTaskDescriptor mm = mos.next();
3093 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3095 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3098 output.println("};\n");
3100 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3103 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3104 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3105 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3109 //process tag information
3112 boolean first = true;
3113 Enumeration tag_enum = fs.getTags();
3114 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3115 while(tag_enum.hasMoreElements()) {
3117 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3121 output.println(", ");
3122 output.println("/*tagid*/"+state.getTagId(tagd));
3124 output.println("};");
3126 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3127 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3128 TaskIndex ti=itti.next();
3132 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3134 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3135 boolean needcomma=false;
3136 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
3137 OptionalTaskDescriptor otd=otdit.next();
3141 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3143 output.println("};");
3145 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3146 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3147 output.print(ti.getIndex()+", ");
3148 output.print(otdset.size()+", ");
3149 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3150 output.println("};");
3153 tiset=sa.getTaskIndex(fs);
3154 boolean needcomma=false;
3156 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3157 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3158 TaskIndex ti=itti.next();
3159 if (ti.isRuntime()) {
3166 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3168 output.println("};\n");
3170 //Store the result in fsanalysiswrapper
3172 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3173 output.println("/*flag*/"+flagid+",");
3174 output.println("/* number of tags*/"+tagcounter+",");
3175 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3176 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3177 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3178 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3179 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3180 output.println("};\n");
3184 //Build the array of fsanalysiswrappers
3185 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3186 boolean needcomma=false;
3187 for(int i = 0; i<fscounter; i++) {
3188 if (needcomma) output.print(",");
3189 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3192 output.println("};");
3194 //Build the classanalysiswrapper referring to the previous array
3195 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3196 output.println("/*type*/"+cdtemp.getId()+",");
3197 output.println("/*numotd*/"+numotd+",");
3198 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3199 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3200 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3201 processedcd.add(cdtemp);
3204 //build an array containing every classes for which code has been build
3205 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3206 for(int i=0; i<state.numClasses(); i++) {
3207 ClassDescriptor cn=cdarray[i];
3210 if (processedcd.contains(cn))
3211 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3213 output.print("NULL");
3215 output.println("};");
3217 output.println("#define MAXOTD "+maxotd);
3218 headers.println("#endif");
3221 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3222 Relation r=new Relation();
3223 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
3224 OptionalTaskDescriptor otd=otdit.next();
3225 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3229 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3230 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
3231 Set s=r.get(it.next());
3232 for(Iterator it2=s.iterator(); it2.hasNext();) {
3233 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3241 protected void outputTransCode(PrintWriter output) {