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.Prefetch.*;
21 import Analysis.Loops.WriteBarrier;
23 public class BuildCode {
26 Hashtable paramstable;
31 String localsprefix="___locals___";
32 String fcrevert="___fcrevert___";
33 String paramsprefix="___params___";
34 String oidstr="___nextobject___";
35 String nextobjstr="___nextobject___";
36 String localcopystr="___localcopy___";
37 public static boolean GENERATEPRECISEGC=false;
38 public static String PREFIX="";
39 public static String arraytype="ArrayObject";
40 public static int flagcount = 0;
43 protected int maxtaskparams=0;
44 private int maxcount=0;
45 ClassDescriptor[] cdarray;
46 TypeDescriptor[] arraytable;
47 LocalityAnalysis locality;
48 Hashtable<LocalityBinding, TempDescriptor> reverttable;
49 Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>> backuptable;
52 HashSet<FlatSESEEnterNode> setSESEtoGen;
53 boolean nonSESEpass=true;
57 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
58 this(st, temptovar, typeutil, null, sa, pa);
61 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
62 this(st, temptovar, typeutil, locality, null, pa);
65 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa) {
70 oidstr="___objlocation___";
71 this.temptovar=temptovar;
72 paramstable=new Hashtable();
73 tempstable=new Hashtable();
74 fieldorder=new Hashtable();
75 flagorder=new Hashtable();
76 this.typeutil=typeutil;
77 virtualcalls=new Virtual(state,locality);
79 this.locality=locality;
80 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
81 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
82 this.wb=new WriteBarrier(locality, st);
85 setSESEtoGen = new HashSet<FlatSESEEnterNode>();
88 /** The buildCode method outputs C code for all the methods. The Flat
89 * versions of the methods must already be generated and stored in
90 * the State object. */
92 public void buildCode() {
93 /* Create output streams to write to */
94 PrintWriter outclassdefs=null;
95 PrintWriter outstructs=null;
96 PrintWriter outrepairstructs=null;
97 PrintWriter outmethodheader=null;
98 PrintWriter outmethod=null;
99 PrintWriter outvirtual=null;
100 PrintWriter outtask=null;
101 PrintWriter outtaskdefs=null;
102 PrintWriter outoptionalarrays=null;
103 PrintWriter optionalheaders=null;
106 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
107 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
108 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
109 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
110 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
112 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
113 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
114 if (state.OPTIONAL) {
115 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
116 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
119 if (state.structfile!=null) {
120 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
122 } catch (Exception e) {
127 /* Build the virtual dispatch tables */
128 buildVirtualTables(outvirtual);
130 /* Output includes */
131 outmethodheader.println("#ifndef METHODHEADERS_H");
132 outmethodheader.println("#define METHODHEADERS_H");
133 outmethodheader.println("#include \"structdefs.h\"");
135 outmethodheader.println("#include \"dstm.h\"");
137 outmethodheader.println("#include \"tm.h\"");
138 if (state.ABORTREADERS) {
139 outmethodheader.println("#include \"abortreaders.h\"");
140 outmethodheader.println("#include <setjmp.h>");
143 /* Output Structures */
144 outputStructs(outstructs);
146 // Output the C class declarations
147 // These could mutually reference each other
148 outputClassDeclarations(outclassdefs);
150 // Output function prototypes and structures for parameters
151 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
152 while(it.hasNext()) {
153 ClassDescriptor cn=(ClassDescriptor)it.next();
154 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
156 outclassdefs.close();
159 /* Map flags to integers */
160 /* The runtime keeps track of flags using these integers */
161 it=state.getClassSymbolTable().getDescriptorsIterator();
162 while(it.hasNext()) {
163 ClassDescriptor cn=(ClassDescriptor)it.next();
167 generateTaskStructs(outstructs, outmethodheader);
169 /* Outputs generic task structures if this is a task
171 outputTaskTypes(outtask);
174 /* Build the actual methods */
175 outputMethods(outmethod);
179 while( !setSESEtoGen.isEmpty() ) {
180 FlatSESEEnterNode fsen = setSESEtoGen.iterator().next();
181 setSESEtoGen.remove( fsen );
182 generateMethodSESE( fsen, fsen.getEnclosingFlatMeth(), null, outmethod );
185 assert setSESEtoGen.isEmpty();
189 /* Output code for tasks */
190 outputTaskCode(outtaskdefs, outmethod);
192 /* Record maximum number of task parameters */
193 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
194 } else if (state.main!=null) {
195 /* Generate main method */
196 outputMainMethod(outmethod);
199 /* Generate information for task with optional parameters */
200 if (state.TASK&&state.OPTIONAL) {
201 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
202 outoptionalarrays.close();
205 /* Output structure definitions for repair tool */
206 if (state.structfile!=null) {
207 buildRepairStructs(outrepairstructs);
208 outrepairstructs.close();
212 outmethodheader.println("#endif");
213 outmethodheader.close();
215 outstructs.println("#endif");
220 /* This code just generates the main C method for java programs.
221 * The main C method packs up the arguments into a string array
222 * and passes it to the java main method. */
224 private void outputMainMethod(PrintWriter outmethod) {
225 outmethod.println("int main(int argc, const char *argv[]) {");
226 outmethod.println(" int i;");
228 outmethod.println("#ifdef TRANSSTATS \n");
229 outmethod.println("handle();\n");
230 outmethod.println("#endif\n");
232 if (state.THREAD||state.DSM||state.SINGLETM) {
233 outmethod.println("initializethreads();");
236 outmethod.println("if (dstmStartup(argv[1])) {");
237 if (GENERATEPRECISEGC) {
238 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
240 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
243 if (GENERATEPRECISEGC) {
244 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
246 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
250 outmethod.println(" for(i=2;i<argc;i++) {");
252 outmethod.println(" for(i=1;i<argc;i++) {");
253 outmethod.println(" int length=strlen(argv[i]);");
254 if (GENERATEPRECISEGC) {
255 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
257 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
260 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
262 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
263 outmethod.println(" }");
266 MethodDescriptor md=typeutil.getMain();
267 ClassDescriptor cd=typeutil.getMainClass();
269 outmethod.println(" {");
270 if (GENERATEPRECISEGC) {
271 if (state.DSM||state.SINGLETM) {
272 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
274 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
275 outmethod.println("1, NULL,"+"stringarray};");
276 if (state.DSM||state.SINGLETM)
277 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
279 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
281 if (state.DSM||state.SINGLETM)
282 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
284 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
286 outmethod.println(" }");
289 outmethod.println("}");
292 if (state.THREAD||state.DSM||state.SINGLETM) {
293 outmethod.println("pthread_mutex_lock(&gclistlock);");
294 outmethod.println("threadcount--;");
295 outmethod.println("pthread_cond_signal(&gccond);");
296 outmethod.println("pthread_mutex_unlock(&gclistlock);");
299 if (state.DSM||state.SINGLETM) {
300 outmethod.println("#ifdef TRANSSTATS \n");
301 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
302 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
303 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
304 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
306 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
307 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
308 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
309 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
310 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
311 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
312 } else if (state.SINGLETM) {
313 outmethod.println("printf(\"nSoftAbortAbort= %d\\n\", nSoftAbortAbort);");
314 outmethod.println("printf(\"nSoftAbortCommit= %d\\n\", nSoftAbortCommit);");
316 outmethod.println("#endif\n");
319 if (state.THREAD||state.SINGLETM)
320 outmethod.println("pthread_exit(NULL);");
322 outmethod.println("}");
326 /* This method outputs code for each task. */
328 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
329 /* Compile task based program */
330 outtaskdefs.println("#include \"task.h\"");
331 outtaskdefs.println("#include \"methodheaders.h\"");
332 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
333 while(taskit.hasNext()) {
334 TaskDescriptor td=(TaskDescriptor)taskit.next();
335 FlatMethod fm=state.getMethodFlat(td);
336 generateFlatMethod(fm, null, outmethod);
337 generateTaskDescriptor(outtaskdefs, fm, td);
340 //Output task descriptors
341 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
342 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
344 while(taskit.hasNext()) {
345 TaskDescriptor td=(TaskDescriptor)taskit.next();
349 outtaskdefs.println(",");
350 outtaskdefs.print("&task_"+td.getSafeSymbol());
352 outtaskdefs.println("};");
354 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
357 /* This method outputs most of the methods.c file. This includes
358 * some standard includes and then an array with the sizes of
359 * objets and array that stores supertype and then the code for
360 * the Java methods.. */
362 protected void outputMethods(PrintWriter outmethod) {
363 outmethod.println("#include \"methodheaders.h\"");
364 outmethod.println("#include \"virtualtable.h\"");
365 outmethod.println("#include \"runtime.h\"");
367 outmethod.println("#include \"addPrefetchEnhance.h\"");
368 outmethod.println("#include \"localobjects.h\"");
370 if (state.FASTCHECK) {
371 outmethod.println("#include \"localobjects.h\"");
373 if(state.MULTICORE) {
374 outmethod.println("#include \"task.h\"");
376 if (state.THREAD||state.DSM||state.SINGLETM)
377 outmethod.println("#include <thread.h>");
378 if (state.main!=null) {
379 outmethod.println("#include <string.h>");
381 if (state.CONSCHECK) {
382 outmethod.println("#include \"checkers.h\"");
385 outmethod.println("#include \"mlp_runtime.h\"");
388 //Store the sizes of classes & array elements
389 generateSizeArray(outmethod);
391 //Store table of supertypes
392 generateSuperTypeTable(outmethod);
394 //Store the layout of classes
395 generateLayoutStructs(outmethod);
397 /* Generate code for methods */
398 if (state.DSM||state.SINGLETM) {
399 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
400 LocalityBinding lb=lbit.next();
401 MethodDescriptor md=lb.getMethod();
402 FlatMethod fm=state.getMethodFlat(md);
404 if (!md.getModifiers().isNative()) {
405 generateFlatMethod(fm, lb, outmethod);
409 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
410 while(classit.hasNext()) {
411 ClassDescriptor cn=(ClassDescriptor)classit.next();
412 Iterator methodit=cn.getMethods();
413 while(methodit.hasNext()) {
414 /* Classify parameters */
415 MethodDescriptor md=(MethodDescriptor)methodit.next();
416 FlatMethod fm=state.getMethodFlat(md);
417 if (!md.getModifiers().isNative()) {
418 generateFlatMethod(fm, null, outmethod);
425 protected void outputStructs(PrintWriter outstructs) {
426 outstructs.println("#ifndef STRUCTDEFS_H");
427 outstructs.println("#define STRUCTDEFS_H");
428 outstructs.println("#include \"classdefs.h\"");
429 outstructs.println("#ifndef INTPTR");
430 outstructs.println("#ifdef BIT64");
431 outstructs.println("#define INTPTR long");
432 outstructs.println("#else");
433 outstructs.println("#define INTPTR int");
434 outstructs.println("#endif");
435 outstructs.println("#endif");
437 /* Output #defines that the runtime uses to determine type
438 * numbers for various objects it needs */
439 outstructs.println("#define MAXCOUNT "+maxcount);
440 if (state.DSM||state.SINGLETM) {
441 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
443 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
444 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
447 outstructs.println("#define STRINGARRAYTYPE "+
448 (state.getArrayNumber(
449 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
451 outstructs.println("#define OBJECTARRAYTYPE "+
452 (state.getArrayNumber(
453 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
456 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
457 outstructs.println("#define CHARARRAYTYPE "+
458 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
460 outstructs.println("#define BYTEARRAYTYPE "+
461 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
463 outstructs.println("#define BYTEARRAYARRAYTYPE "+
464 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
466 outstructs.println("#define NUMCLASSES "+state.numClasses());
468 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
469 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
470 outstructs.println("#define TAGARRAYTYPE "+
471 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
475 protected void outputClassDeclarations(PrintWriter outclassdefs) {
476 if (state.THREAD||state.DSM||state.SINGLETM)
477 outclassdefs.println("#include <pthread.h>");
478 outclassdefs.println("#ifndef INTPTR");
479 outclassdefs.println("#ifdef BIT64");
480 outclassdefs.println("#define INTPTR long");
481 outclassdefs.println("#else");
482 outclassdefs.println("#define INTPTR int");
483 outclassdefs.println("#endif");
484 outclassdefs.println("#endif");
486 outclassdefs.println("#include \"optionalstruct.h\"");
487 outclassdefs.println("struct "+arraytype+";");
488 /* Start by declaring all structs */
489 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
490 while(it.hasNext()) {
491 ClassDescriptor cn=(ClassDescriptor)it.next();
492 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
494 outclassdefs.println("");
495 //Print out definition for array type
496 outclassdefs.println("struct "+arraytype+" {");
497 outclassdefs.println(" int type;");
499 outclassdefs.println(" pthread_t tid;");
500 outclassdefs.println(" void * lockentry;");
501 outclassdefs.println(" int lockcount;");
504 outclassdefs.println(" int flag;");
505 if(!state.MULTICORE) {
506 outclassdefs.println(" void * flagptr;");
508 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
509 outclassdefs.println(" int version;");
510 outclassdefs.println(" struct ___Object___ * original;");
511 //outclassdefs.println(" int numlocks;"); // array for locks
512 outclassdefs.println(" int * lock;");
515 outclassdefs.println(" int numfses;");
516 outclassdefs.println(" int * fses;");
519 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
521 outclassdefs.println(" int ___length___;");
522 outclassdefs.println("};\n");
523 outclassdefs.println("extern int classsize[];");
524 outclassdefs.println("extern int hasflags[];");
525 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
526 outclassdefs.println("extern int supertypes[];");
529 /** Prints out definitions for generic task structures */
531 private void outputTaskTypes(PrintWriter outtask) {
532 outtask.println("#ifndef _TASK_H");
533 outtask.println("#define _TASK_H");
534 outtask.println("struct parameterdescriptor {");
535 outtask.println("int type;");
536 outtask.println("int numberterms;");
537 outtask.println("int *intarray;");
538 outtask.println("void * queue;");
539 outtask.println("int numbertags;");
540 outtask.println("int *tagarray;");
541 outtask.println("};");
543 outtask.println("struct taskdescriptor {");
544 outtask.println("void * taskptr;");
545 outtask.println("int numParameters;");
546 outtask.println(" int numTotal;");
547 outtask.println("struct parameterdescriptor **descriptorarray;");
548 outtask.println("char * name;");
549 outtask.println("};");
550 outtask.println("extern struct taskdescriptor * taskarray[];");
551 outtask.println("extern numtasks;");
552 outtask.println("#endif");
556 private void buildRepairStructs(PrintWriter outrepairstructs) {
557 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
558 while(classit.hasNext()) {
559 ClassDescriptor cn=(ClassDescriptor)classit.next();
560 outrepairstructs.println("structure "+cn.getSymbol()+" {");
561 outrepairstructs.println(" int __type__;");
563 outrepairstructs.println(" int __flag__;");
564 if(!state.MULTICORE) {
565 outrepairstructs.println(" int __flagptr__;");
568 printRepairStruct(cn, outrepairstructs);
569 outrepairstructs.println("}\n");
572 for(int i=0; i<state.numArrays(); i++) {
573 TypeDescriptor tdarray=arraytable[i];
574 TypeDescriptor tdelement=tdarray.dereference();
575 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
576 outrepairstructs.println(" int __type__;");
577 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
578 outrepairstructs.println(" int length;");
580 // Need to add support to repair tool for this
581 if (tdelement.isClass()||tdelement.isArray())
582 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
584 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
586 outrepairstructs.println("}\n");
590 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
591 ClassDescriptor sp=cn.getSuperDesc();
593 printRepairStruct(sp, output);
595 Vector fields=(Vector)fieldorder.get(cn);
597 for(int i=0; i<fields.size(); i++) {
598 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
599 if (fd.getType().isArray()) {
600 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
601 } else if (fd.getType().isClass())
602 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
603 else if (fd.getType().isFloat())
604 output.println(" int "+fd.getSymbol()+"; /* really float */");
606 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
610 /** This method outputs TaskDescriptor information */
611 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
612 for (int i=0; i<task.numParameters(); i++) {
613 VarDescriptor param_var=task.getParameter(i);
614 TypeDescriptor param_type=task.getParamType(i);
615 FlagExpressionNode param_flag=task.getFlag(param_var);
616 TagExpressionList param_tag=task.getTag(param_var);
619 if (param_flag==null) {
620 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
621 output.println("0x0, 0x0 };");
624 DNFFlag dflag=param_flag.getDNF();
625 dnfterms=dflag.size();
627 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
628 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
629 for(int j=0; j<dflag.size(); j++) {
632 Vector term=dflag.get(j);
635 for(int k=0; k<term.size(); k++) {
636 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
637 FlagDescriptor fd=dfa.getFlag();
638 boolean negated=dfa.getNegated();
639 int flagid=1<<((Integer)flags.get(fd)).intValue();
644 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
646 output.println("};");
649 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
650 //BUG...added next line to fix, test with any task program
652 for(int j=0; j<param_tag.numTags(); j++) {
655 /* for each tag we need */
656 /* which slot it is */
657 /* what type it is */
658 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
659 TempDescriptor tmp=param_tag.getTemp(j);
660 int slot=fm.getTagInt(tmp);
661 output.println(slot+", "+state.getTagId(tvd.getTag()));
663 output.println("};");
665 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
666 output.println("/* type */"+param_type.getClassDesc().getId()+",");
667 output.println("/* number of DNF terms */"+dnfterms+",");
668 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
669 output.println("0,");
670 //BUG, added next line to fix and else statement...test
671 //with any task program
673 output.println("/* number of tags */"+param_tag.numTags()+",");
675 output.println("/* number of tags */ 0,");
676 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
677 output.println("};");
681 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
682 for (int i=0; i<task.numParameters(); i++) {
685 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
687 output.println("};");
689 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
690 output.println("&"+task.getSafeSymbol()+",");
691 output.println("/* number of parameters */" +task.numParameters() + ",");
692 int numtotal=task.numParameters()+fm.numTags();
693 output.println("/* number total parameters */" +numtotal + ",");
694 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
695 output.println("\""+task.getSymbol()+"\"");
696 output.println("};");
700 /** The buildVirtualTables method outputs the virtual dispatch
701 * tables for methods. */
703 protected void buildVirtualTables(PrintWriter outvirtual) {
704 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
705 while(classit.hasNext()) {
706 ClassDescriptor cd=(ClassDescriptor)classit.next();
707 if (virtualcalls.getMethodCount(cd)>maxcount)
708 maxcount=virtualcalls.getMethodCount(cd);
710 MethodDescriptor[][] virtualtable=null;
711 LocalityBinding[][] lbvirtualtable=null;
712 if (state.DSM||state.SINGLETM)
713 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
715 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
717 /* Fill in virtual table */
718 classit=state.getClassSymbolTable().getDescriptorsIterator();
719 while(classit.hasNext()) {
720 ClassDescriptor cd=(ClassDescriptor)classit.next();
721 if (state.DSM||state.SINGLETM)
722 fillinRow(cd, lbvirtualtable, cd.getId());
724 fillinRow(cd, virtualtable, cd.getId());
727 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
728 Iterator arrayit=state.getArrayIterator();
729 while(arrayit.hasNext()) {
730 TypeDescriptor td=(TypeDescriptor)arrayit.next();
731 int id=state.getArrayNumber(td);
732 if (state.DSM||state.SINGLETM)
733 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
735 fillinRow(objectcd, virtualtable, id+state.numClasses());
738 outvirtual.print("void * virtualtable[]={");
739 boolean needcomma=false;
740 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
741 for(int j=0; j<maxcount; j++) {
743 outvirtual.print(", ");
744 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
745 LocalityBinding lb=lbvirtualtable[i][j];
746 MethodDescriptor md=lb.getMethod();
747 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
748 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
749 MethodDescriptor md=virtualtable[i][j];
750 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
752 outvirtual.print("0");
756 outvirtual.println("");
758 outvirtual.println("};");
762 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
763 /* Get inherited methods */
764 if (cd.getSuperDesc()!=null)
765 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
766 /* Override them with our methods */
767 for(Iterator it=cd.getMethods(); it.hasNext();) {
768 MethodDescriptor md=(MethodDescriptor)it.next();
769 if (md.isStatic()||md.getReturnType()==null)
771 int methodnum=virtualcalls.getMethodNumber(md);
772 virtualtable[rownum][methodnum]=md;
776 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
777 /* Get inherited methods */
778 if (cd.getSuperDesc()!=null)
779 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
780 /* Override them with our methods */
781 if (locality.getClassBindings(cd)!=null)
782 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
783 LocalityBinding lb=lbit.next();
784 MethodDescriptor md=lb.getMethod();
785 //Is the method static or a constructor
786 if (md.isStatic()||md.getReturnType()==null)
788 int methodnum=virtualcalls.getLocalityNumber(lb);
789 virtualtable[rownum][methodnum]=lb;
793 /** Generate array that contains the sizes of class objects. The
794 * object allocation functions in the runtime use this
797 private void generateSizeArray(PrintWriter outclassdefs) {
798 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
799 outclassdefs.print("#ifdef TRANSSTATS \n");
800 outclassdefs.print("extern int numTransAbort;\n");
801 outclassdefs.print("extern int numTransCommit;\n");
802 outclassdefs.print("extern int nSoftAbort;\n");
804 outclassdefs.print("extern int nchashSearch;\n");
805 outclassdefs.print("extern int nmhashSearch;\n");
806 outclassdefs.print("extern int nprehashSearch;\n");
807 outclassdefs.print("extern int nRemoteSend;\n");
808 outclassdefs.print("extern int bytesSent;\n");
809 outclassdefs.print("extern int bytesRecv;\n");
810 outclassdefs.print("extern void handle();\n");
811 } else if (state.SINGLETM) {
812 outclassdefs.println("extern int nSoftAbortAbort;");
813 outclassdefs.println("extern int nSoftAbortCommit;");
815 outclassdefs.print("#endif\n");
816 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
818 outclassdefs.print("int classsize[]={");
819 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
820 cdarray=new ClassDescriptor[state.numClasses()];
821 while(it.hasNext()) {
822 ClassDescriptor cd=(ClassDescriptor)it.next();
823 cdarray[cd.getId()]=cd;
825 boolean needcomma=false;
826 for(int i=0; i<state.numClasses(); i++) {
828 outclassdefs.print(", ");
829 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
833 arraytable=new TypeDescriptor[state.numArrays()];
835 Iterator arrayit=state.getArrayIterator();
836 while(arrayit.hasNext()) {
837 TypeDescriptor td=(TypeDescriptor)arrayit.next();
838 int id=state.getArrayNumber(td);
842 for(int i=0; i<state.numArrays(); i++) {
844 outclassdefs.print(", ");
845 TypeDescriptor tdelement=arraytable[i].dereference();
846 if (tdelement.isArray()||tdelement.isClass())
847 outclassdefs.print("sizeof(void *)");
849 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
853 outclassdefs.println("};");
855 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
857 outclassdefs.print("int typearray[]={");
858 for(int i=0;i<state.numClasses();i++) {
859 ClassDescriptor cd=cdarray[i];
860 ClassDescriptor supercd=cd.getSuperDesc();
862 outclassdefs.print(", ");
864 outclassdefs.print("-1");
866 outclassdefs.print(supercd.getId());
870 for(int i=0;i<state.numArrays();i++) {
871 TypeDescriptor arraytd=arraytable[i];
872 ClassDescriptor arraycd=arraytd.getClassDesc();
875 outclassdefs.print(", ");
876 outclassdefs.print(objectclass.getId());
880 ClassDescriptor cd=arraycd.getSuperDesc();
883 TypeDescriptor supertd=new TypeDescriptor(cd);
884 supertd.setArrayCount(arraytd.getArrayCount());
885 type=state.getArrayNumber(supertd);
887 type+=state.numClasses();
890 cd=cd.getSuperDesc();
893 outclassdefs.print(", ");
894 outclassdefs.print(type);
898 outclassdefs.println("};");
903 outclassdefs.print("int typearray2[]={");
904 for(int i=0;i<state.numArrays();i++) {
905 TypeDescriptor arraytd=arraytable[i];
906 ClassDescriptor arraycd=arraytd.getClassDesc();
909 outclassdefs.print(", ");
910 outclassdefs.print("-1");
914 ClassDescriptor cd=arraycd.getSuperDesc();
915 int level=arraytd.getArrayCount()-1;
917 for(;level>0;level--) {
918 TypeDescriptor supertd=new TypeDescriptor(objectclass);
919 supertd.setArrayCount(level);
920 type=state.getArrayNumber(supertd);
922 type+=state.numClasses();
927 outclassdefs.print(", ");
928 outclassdefs.print(type);
932 outclassdefs.println("};");
935 /** Constructs params and temp objects for each method or task.
936 * These objects tell the compiler which temps need to be
939 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
940 MethodDescriptor md=fm.getMethod();
941 TaskDescriptor task=fm.getTask();
942 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
943 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
945 paramstable.put(lb, objectparams);
946 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
949 paramstable.put(md, objectparams);
951 paramstable.put(task, objectparams);
953 for(int i=0; i<fm.numParameters(); i++) {
954 TempDescriptor temp=fm.getParameter(i);
955 TypeDescriptor type=temp.getType();
956 if (type.isPtr()&&GENERATEPRECISEGC)
957 objectparams.addPtr(temp);
959 objectparams.addPrim(temp);
960 if(lb!=null&&saveset.contains(temp)) {
961 backuptable.get(lb).put(temp, temp.createNew());
965 for(int i=0; i<fm.numTags(); i++) {
966 TempDescriptor temp=fm.getTag(i);
967 if (GENERATEPRECISEGC)
968 objectparams.addPtr(temp);
970 objectparams.addPrim(temp);
973 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
975 tempstable.put(lb, objecttemps);
977 tempstable.put(md, objecttemps);
979 tempstable.put(task, objecttemps);
981 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
982 FlatNode fn=(FlatNode)nodeit.next();
983 TempDescriptor[] writes=fn.writesTemps();
984 for(int i=0; i<writes.length; i++) {
985 TempDescriptor temp=writes[i];
986 TypeDescriptor type=temp.getType();
987 if (type.isPtr()&&GENERATEPRECISEGC)
988 objecttemps.addPtr(temp);
990 objecttemps.addPrim(temp);
991 if(lb!=null&&saveset.contains(temp)&&
992 !backuptable.get(lb).containsKey(temp))
993 backuptable.get(lb).put(temp, temp.createNew());
997 /* Create backup temps */
999 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
1000 TempDescriptor tmp=tmpit.next();
1001 TypeDescriptor type=tmp.getType();
1002 if (type.isPtr()&&GENERATEPRECISEGC)
1003 objecttemps.addPtr(tmp);
1005 objecttemps.addPrim(tmp);
1007 /* Create temp to hold revert table */
1008 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
1009 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
1010 if (GENERATEPRECISEGC)
1011 objecttemps.addPtr(reverttmp);
1013 objecttemps.addPrim(reverttmp);
1014 reverttable.put(lb, reverttmp);
1019 /** This method outputs the following information about classes
1021 * (1) For classes, what are the locations of pointers.
1022 * (2) For arrays, does the array contain pointers or primitives.
1023 * (3) For classes, does the class contain flags.
1026 private void generateLayoutStructs(PrintWriter output) {
1027 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1028 while(it.hasNext()) {
1029 ClassDescriptor cn=(ClassDescriptor)it.next();
1030 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1031 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1033 while(allit.hasNext()) {
1034 FieldDescriptor fd=(FieldDescriptor)allit.next();
1035 TypeDescriptor type=fd.getType();
1036 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1041 output.print(count);
1042 allit=cn.getFieldTable().getAllDescriptorsIterator();
1043 while(allit.hasNext()) {
1044 FieldDescriptor fd=(FieldDescriptor)allit.next();
1045 TypeDescriptor type=fd.getType();
1046 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1049 output.println(",");
1050 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
1053 output.println("};");
1055 output.println("unsigned INTPTR * pointerarray[]={");
1056 boolean needcomma=false;
1057 for(int i=0; i<state.numClasses(); i++) {
1058 ClassDescriptor cn=cdarray[i];
1060 output.println(",");
1062 output.print(cn.getSafeSymbol()+"_pointers");
1065 for(int i=0; i<state.numArrays(); i++) {
1067 output.println(", ");
1068 TypeDescriptor tdelement=arraytable[i].dereference();
1069 if (tdelement.isArray()||tdelement.isClass())
1070 output.print("((unsigned INTPTR *)1)");
1076 output.println("};");
1078 output.println("int hasflags[]={");
1079 for(int i=0; i<state.numClasses(); i++) {
1080 ClassDescriptor cn=cdarray[i];
1082 output.println(", ");
1089 output.println("};");
1092 /** Print out table to give us supertypes */
1093 private void generateSuperTypeTable(PrintWriter output) {
1094 output.println("int supertypes[]={");
1095 boolean needcomma=false;
1096 for(int i=0; i<state.numClasses(); i++) {
1097 ClassDescriptor cn=cdarray[i];
1099 output.println(",");
1101 if (cn.getSuperDesc()!=null) {
1102 ClassDescriptor cdsuper=cn.getSuperDesc();
1103 output.print(cdsuper.getId());
1107 output.println("};");
1110 /** Force consistent field ordering between inherited classes. */
1112 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
1114 ClassDescriptor sp=cn.getSuperDesc();
1116 printClassStruct(sp, classdefout);
1118 if (!fieldorder.containsKey(cn)) {
1119 Vector fields=new Vector();
1120 fieldorder.put(cn,fields);
1121 if (sp==null&&!state.TASK) {
1122 fields.add(cn.getFieldTable().get("cachedCode"));
1124 Iterator fieldit=cn.getFields();
1125 while(fieldit.hasNext()) {
1126 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
1127 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
1128 (!fd.getSymbol().equals("cachedCode")||state.TASK))
1132 Vector fields=(Vector)fieldorder.get(cn);
1134 for(int i=0; i<fields.size(); i++) {
1135 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1136 if (fd.getType().isClass()||fd.getType().isArray())
1137 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1139 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1144 /* Map flags to integers consistently between inherited
1147 protected void mapFlags(ClassDescriptor cn) {
1148 ClassDescriptor sp=cn.getSuperDesc();
1152 if (!flagorder.containsKey(cn)) {
1153 Hashtable flags=new Hashtable();
1154 flagorder.put(cn,flags);
1156 Hashtable superflags=(Hashtable)flagorder.get(sp);
1157 Iterator superflagit=superflags.keySet().iterator();
1158 while(superflagit.hasNext()) {
1159 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1160 Integer number=(Integer)superflags.get(fd);
1161 flags.put(fd, number);
1162 if ((number.intValue()+1)>max)
1163 max=number.intValue()+1;
1167 Iterator flagit=cn.getFlags();
1168 while(flagit.hasNext()) {
1169 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1170 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1171 flags.put(fd, new Integer(max++));
1177 /** This function outputs (1) structures that parameters are
1178 * passed in (when PRECISE GC is enabled) and (2) function
1179 * prototypes for the methods */
1181 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1182 /* Output class structure */
1183 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1184 classdefout.println(" int type;");
1186 classdefout.println(" pthread_t tid;");
1187 classdefout.println(" void * lockentry;");
1188 classdefout.println(" int lockcount;");
1192 classdefout.println(" int flag;");
1193 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1194 classdefout.println(" void * flagptr;");
1195 } else if (state.MULTICORE) {
1196 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1197 classdefout.println(" int version;");
1198 classdefout.println(" struct ___Object___ * original;");
1199 //classdefout.println(" int numlocks;"); // array for locks
1200 classdefout.println(" int * lock;");
1202 if (state.OPTIONAL) {
1203 classdefout.println(" int numfses;");
1204 classdefout.println(" int * fses;");
1207 printClassStruct(cn, classdefout);
1208 classdefout.println("};\n");
1210 if (state.DSM||state.SINGLETM) {
1211 /* Cycle through LocalityBindings */
1212 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1213 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1215 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1216 LocalityBinding lb=lbit.next();
1217 MethodDescriptor md=lb.getMethod();
1218 if (md.getModifiers().isNative()) {
1219 //make sure we only print a native method once
1220 if (nativemethods.contains(md)) {
1221 FlatMethod fm=state.getMethodFlat(md);
1222 generateTempStructs(fm, lb);
1225 nativemethods.add(md);
1227 generateMethod(cn, md, lb, headersout, output);
1230 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1231 MethodDescriptor md=(MethodDescriptor)methodit.next();
1232 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1233 //Need to build param structure for library code
1234 FlatMethod fm=state.getMethodFlat(md);
1235 generateTempStructs(fm, null);
1236 generateMethodParam(cn, md, null, output);
1241 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1242 MethodDescriptor md=(MethodDescriptor)methodit.next();
1243 generateMethod(cn, md, null, headersout, output);
1247 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1248 /* Output parameter structure */
1249 if (GENERATEPRECISEGC) {
1250 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1251 if ((state.DSM||state.SINGLETM)&&lb!=null)
1252 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1254 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1255 output.println(" INTPTR size;");
1256 output.println(" void * next;");
1257 for(int i=0; i<objectparams.numPointers(); i++) {
1258 TempDescriptor temp=objectparams.getPointer(i);
1259 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1261 output.println("};\n");
1266 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1267 FlatMethod fm=state.getMethodFlat(md);
1268 generateTempStructs(fm, lb);
1270 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1271 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1273 generateMethodParam(cn, md, lb, output);
1275 /* Output temp structure */
1276 if (GENERATEPRECISEGC) {
1277 if (state.DSM||state.SINGLETM)
1278 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1280 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1281 output.println(" INTPTR size;");
1282 output.println(" void * next;");
1283 for(int i=0; i<objecttemps.numPointers(); i++) {
1284 TempDescriptor temp=objecttemps.getPointer(i);
1285 if (temp.getType().isNull())
1286 output.println(" void * "+temp.getSafeSymbol()+";");
1288 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1290 output.println("};\n");
1293 /********* Output method declaration ***********/
1295 /* First the return type */
1296 if (md.getReturnType()!=null) {
1297 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1298 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1300 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1302 //catch the constructor case
1303 headersout.print("void ");
1305 /* Next the method name */
1306 if (state.DSM||state.SINGLETM) {
1307 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1309 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1311 boolean printcomma=false;
1312 if (GENERATEPRECISEGC) {
1313 if (state.DSM||state.SINGLETM) {
1314 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1316 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1320 /* Output parameter list*/
1321 for(int i=0; i<objectparams.numPrimitives(); i++) {
1322 TempDescriptor temp=objectparams.getPrimitive(i);
1324 headersout.print(", ");
1326 if (temp.getType().isClass()||temp.getType().isArray())
1327 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1329 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1331 headersout.println(");\n");
1335 /** This function outputs (1) structures that parameters are
1336 * passed in (when PRECISE GC is enabled) and (2) function
1337 * prototypes for the tasks */
1339 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1340 /* Cycle through tasks */
1341 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1343 while(taskit.hasNext()) {
1344 /* Classify parameters */
1345 TaskDescriptor task=(TaskDescriptor)taskit.next();
1346 FlatMethod fm=state.getMethodFlat(task);
1347 generateTempStructs(fm, null);
1349 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1350 TempObject objecttemps=(TempObject) tempstable.get(task);
1352 /* Output parameter structure */
1353 if (GENERATEPRECISEGC) {
1354 output.println("struct "+task.getSafeSymbol()+"_params {");
1356 output.println(" INTPTR size;");
1357 output.println(" void * next;");
1358 for(int i=0; i<objectparams.numPointers(); i++) {
1359 TempDescriptor temp=objectparams.getPointer(i);
1360 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1363 output.println("};\n");
1364 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1365 maxtaskparams=objectparams.numPointers()+fm.numTags();
1369 /* Output temp structure */
1370 if (GENERATEPRECISEGC) {
1371 output.println("struct "+task.getSafeSymbol()+"_locals {");
1372 output.println(" INTPTR size;");
1373 output.println(" void * next;");
1374 for(int i=0; i<objecttemps.numPointers(); i++) {
1375 TempDescriptor temp=objecttemps.getPointer(i);
1376 if (temp.getType().isNull())
1377 output.println(" void * "+temp.getSafeSymbol()+";");
1378 else if(temp.getType().isTag())
1379 output.println(" struct "+
1380 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1382 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1384 output.println("};\n");
1387 /* Output task declaration */
1388 headersout.print("void " + task.getSafeSymbol()+"(");
1390 boolean printcomma=false;
1391 if (GENERATEPRECISEGC) {
1392 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1394 headersout.print("void * parameterarray[]");
1395 headersout.println(");\n");
1399 /***** Generate code for FlatMethod fm. *****/
1401 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1402 if (State.PRINTFLAT)
1403 System.out.println(fm.printMethod());
1404 MethodDescriptor md=fm.getMethod();
1406 TaskDescriptor task=fm.getTask();
1408 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1410 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1411 generateHeader(fm, lb, md!=null ? md : task,output);
1412 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1414 if (GENERATEPRECISEGC) {
1415 if (md!=null&&(state.DSM||state.SINGLETM))
1416 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1417 else if (md!=null&&!(state.DSM||state.SINGLETM))
1418 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1420 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1422 output.print(objecttemp.numPointers()+",");
1423 output.print(paramsprefix);
1424 for(int j=0; j<objecttemp.numPointers(); j++)
1425 output.print(", NULL");
1426 output.println("};");
1429 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1430 TempDescriptor td=objecttemp.getPrimitive(i);
1431 TypeDescriptor type=td.getType();
1433 output.println(" void * "+td.getSafeSymbol()+";");
1434 else if (type.isClass()||type.isArray())
1435 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1437 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1440 /* Check to see if we need to do a GC if this is a
1441 * multi-threaded program...*/
1443 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1444 if (state.DSM&&lb.isAtomic())
1445 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1447 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1450 generateCode( fm.getNext(0), fm, lb, null, output );
1452 output.println("}\n\n");
1456 protected void generateMethodSESE( FlatSESEEnterNode fsen,
1459 PrintWriter output ) {
1461 //output.println( "void _SESE"+fsen.getPrettyIdentifier()+
1463 //generateCode( fsen.getNext(0), fm, lb, fsen.getFlatExit(), output );
1464 //output.println( "}\n\n" );
1467 output.println("struct sese"+faen.getPrettyIdentifier()+"in {");
1468 Iterator<TempDescriptor> itr = faen.getInVarSet().iterator();
1469 while( itr.hasNext() ) {
1470 TempDescriptor td = itr.next();
1471 output.println(" "+td+";");
1473 output.println("}");
1475 output.println("struct sese"+faen.getPrettyIdentifier()+"out {");
1476 itr = faen.getOutVarSet().iterator();
1477 while( itr.hasNext() ) {
1478 TempDescriptor td = itr.next();
1479 output.println(" "+td+";");
1481 output.println("}");
1487 protected void generateCode( FlatNode first,
1490 FlatSESEExitNode stop,
1491 PrintWriter output ) {
1493 /* Assign labels to FlatNode's if necessary.*/
1494 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(first);
1496 /* Do the actual code generation */
1497 FlatNode current_node=null;
1498 HashSet tovisit=new HashSet();
1499 HashSet visited=new HashSet();
1501 while(current_node!=null||!tovisit.isEmpty()) {
1502 if (current_node==null) {
1503 current_node=(FlatNode)tovisit.iterator().next();
1504 tovisit.remove(current_node);
1505 } else if (tovisit.contains(current_node)){
1506 tovisit.remove(current_node);
1508 if(current_node==stop) { return; }
1509 visited.add(current_node);
1510 if (nodetolabel.containsKey(current_node))
1511 output.println("L"+nodetolabel.get(current_node)+":");
1512 if (state.INSTRUCTIONFAILURE) {
1513 if (state.THREAD||state.DSM||state.SINGLETM) {
1514 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1516 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1518 if (current_node.numNext()==0) {
1520 generateFlatNode(fm, lb, current_node, output);
1521 if (current_node.kind()!=FKind.FlatReturnNode) {
1522 output.println(" return;");
1525 } else if(current_node.numNext()==1) {
1527 if (state.MLP && current_node.kind()==FKind.FlatSESEEnterNode) {
1528 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
1530 setSESEtoGen.add(fsen);
1531 fsen.setEnclosingFlatMeth(fm);
1533 nextnode=fsen.getFlatExit().getNext(0);
1536 generateFlatNode(fm, lb, current_node, output);
1537 nextnode=current_node.getNext(0);
1539 if (visited.contains(nextnode)) {
1540 output.println("goto L"+nodetolabel.get(nextnode)+";");
1543 current_node=nextnode;
1544 } else if (current_node.numNext()==2) {
1547 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1548 if (!visited.contains(current_node.getNext(1)))
1549 tovisit.add(current_node.getNext(1));
1550 if (visited.contains(current_node.getNext(0))) {
1551 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1554 current_node=current_node.getNext(0);
1555 } else throw new Error();
1560 /** This method assigns labels to FlatNodes */
1562 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first) {
1563 HashSet tovisit=new HashSet();
1564 HashSet visited=new HashSet();
1566 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1569 /*Assign labels first. A node needs a label if the previous
1570 * node has two exits or this node is a join point. */
1572 while(!tovisit.isEmpty()) {
1573 FlatNode fn=(FlatNode)tovisit.iterator().next();
1576 for(int i=0; i<fn.numNext(); i++) {
1577 FlatNode nn=fn.getNext(i);
1579 //1) Edge >1 of node
1580 nodetolabel.put(nn,new Integer(labelindex++));
1582 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1586 nodetolabel.put(nn,new Integer(labelindex++));
1594 /** Generate text string that corresponds to the TempDescriptor td. */
1595 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1596 MethodDescriptor md=fm.getMethod();
1597 TaskDescriptor task=fm.getTask();
1598 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1599 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1600 //System.out.println("generateTemp returns " + td.getSafeSymbol());
1601 return td.getSafeSymbol();
1604 if (objecttemps.isLocalPtr(td)) {
1605 return localsprefix+"."+td.getSafeSymbol();
1608 if (objecttemps.isParamPtr(td)) {
1609 return paramsprefix+"->"+td.getSafeSymbol();
1614 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1616 case FKind.FlatAtomicEnterNode:
1617 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1620 case FKind.FlatAtomicExitNode:
1621 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1624 case FKind.FlatInstanceOfNode:
1625 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
1628 case FKind.FlatSESEEnterNode:
1632 case FKind.FlatSESEExitNode:
1636 case FKind.FlatGlobalConvNode:
1637 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1640 case FKind.FlatTagDeclaration:
1641 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1644 case FKind.FlatCall:
1645 generateFlatCall(fm, lb, (FlatCall) fn,output);
1648 case FKind.FlatFieldNode:
1649 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1652 case FKind.FlatElementNode:
1653 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1656 case FKind.FlatSetElementNode:
1657 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1660 case FKind.FlatSetFieldNode:
1661 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1665 generateFlatNew(fm, lb, (FlatNew) fn,output);
1668 case FKind.FlatOpNode:
1669 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1672 case FKind.FlatCastNode:
1673 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1676 case FKind.FlatLiteralNode:
1677 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1680 case FKind.FlatReturnNode:
1681 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1685 output.println("/* nop */");
1688 case FKind.FlatExit:
1689 output.println("/* exit */");
1692 case FKind.FlatBackEdge:
1693 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1694 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1695 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1697 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1699 output.println("/* nop */");
1702 case FKind.FlatCheckNode:
1703 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1706 case FKind.FlatFlagActionNode:
1707 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1710 case FKind.FlatPrefetchNode:
1711 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1714 case FKind.FlatOffsetNode:
1715 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
1721 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
1722 output.println("/* FlatOffsetNode */");
1723 FieldDescriptor fd=fofn.getField();
1724 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+");");
1725 output.println("/* offset */");
1728 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1729 if (state.PREFETCH) {
1730 Vector oids = new Vector();
1731 Vector fieldoffset = new Vector();
1732 Vector endoffset = new Vector();
1733 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1734 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
1735 PrefetchPair pp = (PrefetchPair) it.next();
1736 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1737 /* Find prefetches that can generate oid */
1738 if(statusbase == LocalityAnalysis.GLOBAL) {
1739 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1741 } else if (statusbase == LocalityAnalysis.LOCAL) {
1742 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1749 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
1750 output.println("{");
1751 output.println("/* prefetch */");
1752 output.println("/* prefetchid_" + fpn.siteid + " */");
1753 output.println("void * prefptr;");
1754 output.println("int tmpindex;");
1756 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1757 /*Create C code for oid array */
1758 output.print(" unsigned int oidarray_[] = {");
1759 boolean needcomma=false;
1760 for (Iterator it = oids.iterator(); it.hasNext();) {
1763 output.print(it.next());
1766 output.println("};");
1768 /*Create C code for endoffset values */
1769 output.print(" unsigned short endoffsetarry_[] = {");
1771 for (Iterator it = endoffset.iterator(); it.hasNext();) {
1774 output.print(it.next());
1777 output.println("};");
1779 /*Create C code for Field Offset Values */
1780 output.print(" short fieldarry_[] = {");
1782 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
1785 output.print(it.next());
1788 output.println("};");
1789 /* make the prefetch call to Runtime */
1790 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1791 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1792 output.println(" }");
1793 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1794 output.println(" } else {");
1795 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1796 output.println(" }");
1797 output.println("}");
1801 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1802 short offsetcount = 0;
1806 } else if (localbase) {
1807 for(; breakindex<pp.desc.size(); breakindex++) {
1808 Descriptor desc=pp.getDescAt(breakindex);
1809 if (desc instanceof FieldDescriptor) {
1810 FieldDescriptor fd=(FieldDescriptor)desc;
1811 if (fd.isGlobal()) {
1819 if (breakindex>pp.desc.size()) //all local
1822 TypeDescriptor lasttype=pp.base.getType();
1823 String basestr=generateTemp(fm, pp.base, lb);
1825 boolean maybenull=fm.getMethod().isStatic()||
1826 !pp.base.equals(fm.getParameter(0));
1828 for(int i=0; i<breakindex; i++) {
1829 String indexcheck="";
1831 Descriptor desc=pp.getDescAt(i);
1832 if (desc instanceof FieldDescriptor) {
1833 FieldDescriptor fd=(FieldDescriptor)desc;
1835 if (!teststr.equals(""))
1837 teststr+="((prefptr="+basestr+")!=NULL)";
1838 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
1840 basestr=basestr+"->"+fd.getSafeSymbol();
1843 lasttype=fd.getType();
1845 IndexDescriptor id=(IndexDescriptor)desc;
1846 indexcheck="((tmpindex=";
1847 for(int j=0; j<id.tddesc.size(); j++) {
1848 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
1850 indexcheck+=id.offset+")>=0)&&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
1852 if (!teststr.equals(""))
1854 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
1855 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
1857 lasttype=lasttype.dereference();
1862 if (teststr.equals("")) {
1863 oid="((unsigned int)"+basestr+")";
1865 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
1869 for(int i = breakindex; i < pp.desc.size(); i++) {
1870 String newfieldoffset;
1871 Object desc = pp.getDescAt(i);
1872 if(desc instanceof FieldDescriptor) {
1873 FieldDescriptor fd=(FieldDescriptor)desc;
1874 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
1875 lasttype=fd.getType();
1877 newfieldoffset = "";
1878 IndexDescriptor id=(IndexDescriptor)desc;
1879 for(int j = 0; j < id.tddesc.size(); j++) {
1880 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
1882 newfieldoffset += id.offset.toString();
1883 lasttype=lasttype.dereference();
1885 fieldoffset.add(newfieldoffset);
1888 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
1889 base+=pp.desc.size()-breakindex;
1890 endoffset.add(new Short((short)base));
1895 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1896 if (lb!=fgcn.getLocality())
1898 /* Have to generate flat globalconv */
1899 if (fgcn.getMakePtr()) {
1901 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1903 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1906 /* Need to convert to OID */
1907 if (fgcn.doConvert()) {
1908 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1910 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
1915 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
1917 if (fion.getType().isArray()) {
1918 type=state.getArrayNumber(fion.getType())+state.numClasses();
1920 type=fion.getType().getClassDesc().getId();
1923 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
1924 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
1926 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
1929 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1930 /* Check to see if we need to generate code for this atomic */
1931 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1933 /* Backup the temps. */
1934 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1935 TempDescriptor tmp=tmpit.next();
1936 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1939 output.println("goto transstart"+faen.getIdentifier()+";");
1941 /******* Print code to retry aborted transaction *******/
1942 output.println("transretry"+faen.getIdentifier()+":");
1945 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1946 TempDescriptor tmp=tmpit.next();
1947 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
1951 /********* Need to revert local object store ********/
1952 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1954 output.println("while ("+revertptr+") {");
1955 output.println("struct ___Object___ * tmpptr;");
1956 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1957 output.println("REVERT_OBJ("+revertptr+");");
1958 output.println(revertptr+"=tmpptr;");
1959 output.println("}");
1961 /******* Tell the runtime to start the transaction *******/
1963 output.println("transstart"+faen.getIdentifier()+":");
1964 output.println("transStart();");
1966 if (state.ABORTREADERS) {
1967 output.println("if (_setjmp(aborttrans)) {");
1968 output.println(" goto transretry"+faen.getIdentifier()+"; }");
1972 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1973 /* Check to see if we need to generate code for this atomic */
1974 if (locality.getAtomic(lb).get(faen).intValue()>0)
1976 //store the revert list before we lose the transaction object
1977 String revertptr=null;
1979 revertptr=generateTemp(fm, reverttable.get(lb),lb);
1980 output.println(revertptr+"=revertlist;");
1982 output.println("if (transCommit()) {");
1983 /* Transaction aborts if it returns true */
1984 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1986 output.println("} else {");
1987 /* Need to commit local object store */
1988 output.println("while ("+revertptr+") {");
1989 output.println("struct ___Object___ * tmpptr;");
1990 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1991 output.println("COMMIT_OBJ("+revertptr+");");
1992 output.println(revertptr+"=tmpptr;");
1993 output.println("}");
1995 output.println("}");
1999 public void generateSESE(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
2004 public void generateFlatSESEEnterNode(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
2007 public void generateFlatSESEExitNode(FlatMethod fm, LocalityBinding lb, FlatSESEExitNode faen, PrintWriter output) {
2008 //output.println("mlpNotifyExit( (struct SESE*)0 );");
2011 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
2012 if (state.CONSCHECK) {
2013 String specname=fcn.getSpec();
2014 String varname="repairstate___";
2015 output.println("{");
2016 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2018 TempDescriptor[] temps=fcn.getTemps();
2019 String[] vars=fcn.getVars();
2020 for(int i=0; i<temps.length; i++) {
2021 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
2024 output.println("if (doanalysis"+specname+"("+varname+")) {");
2025 output.println("free"+specname+"_state("+varname+");");
2026 output.println("} else {");
2027 output.println("/* Bad invariant */");
2028 output.println("free"+specname+"_state("+varname+");");
2029 output.println("abort_task();");
2030 output.println("}");
2031 output.println("}");
2035 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
2036 MethodDescriptor md=fc.getMethod();
2037 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM||state.SINGLETM ? locality.getBinding(lb, fc) : md);
2038 ClassDescriptor cn=md.getClassDesc();
2039 output.println("{");
2040 if (GENERATEPRECISEGC) {
2041 if (state.DSM||state.SINGLETM) {
2042 LocalityBinding fclb=locality.getBinding(lb, fc);
2043 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2045 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2047 output.print(objectparams.numPointers());
2048 output.print(", & "+localsprefix);
2049 if (md.getThis()!=null) {
2051 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
2053 if (fc.getThis()!=null&&md.getThis()==null) {
2054 System.out.println("WARNING!!!!!!!!!!!!");
2055 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2059 for(int i=0; i<fc.numArgs(); i++) {
2060 Descriptor var=md.getParameter(i);
2061 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2062 if (objectparams.isParamPtr(paramtemp)) {
2063 TempDescriptor targ=fc.getArg(i);
2065 TypeDescriptor td=md.getParamType(i);
2067 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2069 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2072 output.println("};");
2077 if (fc.getReturnTemp()!=null)
2078 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
2080 /* Do we need to do virtual dispatch? */
2081 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
2083 if (state.DSM||state.SINGLETM) {
2084 LocalityBinding fclb=locality.getBinding(lb, fc);
2085 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2087 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2092 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2093 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2095 output.print(md.getReturnType().getSafeSymbol()+" ");
2096 output.print("(*)(");
2098 boolean printcomma=false;
2099 if (GENERATEPRECISEGC) {
2100 if (state.DSM||state.SINGLETM) {
2101 LocalityBinding fclb=locality.getBinding(lb, fc);
2102 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2104 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2108 for(int i=0; i<objectparams.numPrimitives(); i++) {
2109 TempDescriptor temp=objectparams.getPrimitive(i);
2113 if (temp.getType().isClass()||temp.getType().isArray())
2114 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2116 output.print(temp.getType().getSafeSymbol());
2120 if (state.DSM||state.SINGLETM) {
2121 LocalityBinding fclb=locality.getBinding(lb, fc);
2122 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
2124 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2128 boolean needcomma=false;
2129 if (GENERATEPRECISEGC) {
2130 output.print("&__parameterlist__");
2134 if (!GENERATEPRECISEGC) {
2135 if (fc.getThis()!=null) {
2136 TypeDescriptor ptd=md.getThis().getType();
2139 if (ptd.isClass()&&!ptd.isArray())
2140 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2141 output.print(generateTemp(fm,fc.getThis(),lb));
2146 for(int i=0; i<fc.numArgs(); i++) {
2147 Descriptor var=md.getParameter(i);
2148 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2149 if (objectparams.isParamPrim(paramtemp)) {
2150 TempDescriptor targ=fc.getArg(i);
2154 TypeDescriptor ptd=md.getParamType(i);
2155 if (ptd.isClass()&&!ptd.isArray())
2156 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2157 output.print(generateTemp(fm, targ,lb));
2161 output.println(");");
2162 output.println(" }");
2165 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2166 Set subclasses=typeutil.getSubClasses(thiscd);
2167 if (subclasses==null)
2169 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
2170 ClassDescriptor cd=(ClassDescriptor)classit.next();
2171 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
2172 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
2173 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2174 if (md.matches(matchmd))
2181 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
2182 if (state.SINGLETM) {
2183 //single machine transactional memory case
2184 String field=ffn.getField().getSafeSymbol();
2185 String src=generateTemp(fm, ffn.getSrc(),lb);
2186 String dst=generateTemp(fm, ffn.getDst(),lb);
2188 output.println(dst+"="+ src +"->"+field+ ";");
2189 if (ffn.getField().getType().isPtr()&&locality.getAtomic(lb).get(ffn).intValue()>0) {
2190 output.println("TRANSREAD("+dst+", "+dst+");");
2192 } else if (state.DSM) {
2193 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
2194 if (status==LocalityAnalysis.GLOBAL) {
2195 String field=ffn.getField().getSafeSymbol();
2196 String src=generateTemp(fm, ffn.getSrc(),lb);
2197 String dst=generateTemp(fm, ffn.getDst(),lb);
2199 if (ffn.getField().getType().isPtr()) {
2201 //TODO: Uncomment this when we have runtime support
2202 //if (ffn.getSrc()==ffn.getDst()) {
2203 //output.println("{");
2204 //output.println("void * temp="+src+";");
2205 //output.println("if (temp&0x1) {");
2206 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
2207 //output.println(src+"->"+field+"="+temp+";");
2208 //output.println("}");
2209 //output.println(dst+"=temp;");
2210 //output.println("}");
2212 output.println(dst+"="+ src +"->"+field+ ";");
2213 //output.println("if ("+dst+"&0x1) {");
2214 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2215 //output.println(src+"->"+field+"="+src+"->"+field+";");
2216 //output.println("}");
2219 output.println(dst+"="+ src+"->"+field+";");
2221 } else if (status==LocalityAnalysis.LOCAL) {
2222 if (ffn.getField().getType().isPtr()&&
2223 ffn.getField().isGlobal()) {
2224 String field=ffn.getField().getSafeSymbol();
2225 String src=generateTemp(fm, ffn.getSrc(),lb);
2226 String dst=generateTemp(fm, ffn.getDst(),lb);
2227 output.println(dst+"="+ src +"->"+field+ ";");
2228 if (locality.getAtomic(lb).get(ffn).intValue()>0)
2229 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2231 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2232 } else if (status==LocalityAnalysis.EITHER) {
2233 //Code is reading from a null pointer
2234 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
2235 output.println("#ifndef RAW");
2236 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2237 output.println("#endif");
2238 //This should throw a suitable null pointer error
2239 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2241 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2243 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2247 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
2248 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2249 throw new Error("Can't set array length");
2250 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2251 //Single Machine Transaction Case
2252 boolean srcptr=fsfn.getSrc().getType().isPtr();
2253 String src=generateTemp(fm,fsfn.getSrc(),lb);
2254 String dst=generateTemp(fm,fsfn.getDst(),lb);
2255 if (srcptr&&!fsfn.getSrc().getType().isNull()) {
2256 output.println("{");
2257 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2259 if (wb.needBarrier(fsfn))
2260 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
2261 if (srcptr&!fsfn.getSrc().getType().isNull()) {
2262 output.println("*((unsigned INTPTR *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2263 output.println("}");
2265 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2267 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2268 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
2269 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
2270 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2272 String src=generateTemp(fm,fsfn.getSrc(),lb);
2273 String dst=generateTemp(fm,fsfn.getDst(),lb);
2275 output.println("{");
2276 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2278 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2281 if (wb.needBarrier(fsfn))
2282 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2284 output.println("*((unsigned INTPTR *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2286 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2287 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2288 /** Check if we need to copy */
2289 output.println("if(!"+dst+"->"+localcopystr+") {");
2290 /* Link object into list */
2291 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2292 output.println(revertptr+"=revertlist;");
2293 if (GENERATEPRECISEGC)
2294 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2296 output.println("COPY_OBJ("+dst+");");
2297 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2298 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2299 output.println("}");
2301 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2303 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2304 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2305 //writing to a null...bad
2306 output.println("if ("+dst+") {");
2307 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2309 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2311 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2314 output.println("}");
2317 if (state.FASTCHECK) {
2318 String dst=generateTemp(fm, fsfn.getDst(),lb);
2319 output.println("if(!"+dst+"->"+localcopystr+") {");
2320 /* Link object into list */
2321 if (GENERATEPRECISEGC)
2322 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2324 output.println("COPY_OBJ("+dst+");");
2325 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2326 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2327 output.println("}");
2329 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2333 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2334 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2337 if (elementtype.isArray()||elementtype.isClass())
2340 type=elementtype.getSafeSymbol()+" ";
2342 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2343 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2344 output.println("failedboundschk();");
2346 if (state.SINGLETM) {
2347 //Single machine transaction case
2348 String dst=generateTemp(fm, fen.getDst(),lb);
2349 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2351 if (elementtype.isPtr()&&locality.getAtomic(lb).get(fen).intValue()>0) {
2352 output.println("TRANSREAD("+dst+", "+dst+");");
2354 } else if (state.DSM) {
2355 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2356 if (status==LocalityAnalysis.GLOBAL) {
2357 String dst=generateTemp(fm, fen.getDst(),lb);
2359 if (elementtype.isPtr()) {
2360 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2361 output.println("TRANSREAD("+dst+", "+dst+");");
2363 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2365 } else if (status==LocalityAnalysis.LOCAL) {
2366 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2367 } else if (status==LocalityAnalysis.EITHER) {
2368 //Code is reading from a null pointer
2369 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2370 output.println("#ifndef RAW");
2371 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2372 output.println("#endif");
2373 //This should throw a suitable null pointer error
2374 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2376 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2378 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2382 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2383 //TODO: need dynamic check to make sure this assignment is actually legal
2384 //Because Object[] could actually be something more specific...ie. Integer[]
2386 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2389 if (elementtype.isArray()||elementtype.isClass())
2392 type=elementtype.getSafeSymbol()+" ";
2394 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2395 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2396 output.println("failedboundschk();");
2399 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2400 //Transaction set element case
2401 if (wb.needBarrier(fsen))
2402 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
2403 if (fsen.getSrc().getType().isPtr()&&!fsen.getSrc().getType().isNull()) {
2404 output.println("{");
2405 String src=generateTemp(fm, fsen.getSrc(), lb);
2406 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2407 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2408 output.println("}");
2410 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2412 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2413 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2414 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2415 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2416 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2417 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2420 if (wb.needBarrier(fsen))
2421 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2422 } else if (dstlocal) {
2423 /** Check if we need to copy */
2424 String dst=generateTemp(fm, fsen.getDst(),lb);
2425 output.println("if(!"+dst+"->"+localcopystr+") {");
2426 /* Link object into list */
2427 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2428 output.println(revertptr+"=revertlist;");
2429 if (GENERATEPRECISEGC)
2430 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2432 output.println("COPY_OBJ("+dst+");");
2433 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2434 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2435 output.println("}");
2436 } else throw new Error("Unknown array type");
2438 output.println("{");
2439 String src=generateTemp(fm, fsen.getSrc(), lb);
2440 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2441 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2442 output.println("}");
2444 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2447 if (state.FASTCHECK) {
2448 String dst=generateTemp(fm, fsen.getDst(),lb);
2449 output.println("if(!"+dst+"->"+localcopystr+") {");
2450 /* Link object into list */
2451 if (GENERATEPRECISEGC)
2452 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2454 output.println("COPY_OBJ("+dst+");");
2455 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2456 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2457 output.println("}");
2459 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2463 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2464 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2465 //Stash pointer in case of GC
2466 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2467 output.println(revertptr+"=revertlist;");
2469 if (state.SINGLETM) {
2470 if (fn.getType().isArray()) {
2471 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2472 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2473 //inside transaction
2474 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2476 //outside transaction
2477 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2480 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2481 //inside transaction
2482 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2484 //outside transaction
2485 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2488 } else if (fn.getType().isArray()) {
2489 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2490 if (fn.isGlobal()) {
2491 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2492 } else if (GENERATEPRECISEGC) {
2493 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2495 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2498 if (fn.isGlobal()) {
2499 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
2500 } else if (GENERATEPRECISEGC) {
2501 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2503 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2506 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2507 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2508 String dst=generateTemp(fm,fn.getDst(),lb);
2509 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2510 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2511 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2513 if (state.FASTCHECK) {
2514 String dst=generateTemp(fm,fn.getDst(),lb);
2515 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2516 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2517 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2521 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2522 if (GENERATEPRECISEGC) {
2523 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2525 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2529 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2530 if (fon.getRight()!=null) {
2531 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2532 if (fon.getLeft().getType().isLong())
2533 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2535 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2538 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2539 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2540 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2541 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2542 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2543 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2544 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2545 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2546 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2547 else if (fon.getOp().getOp()==Operation.COMP)
2548 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2549 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2550 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2552 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2555 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2556 /* TODO: Do type check here */
2557 if (fcn.getType().isArray()) {
2559 } else if (fcn.getType().isClass())
2560 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2562 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2565 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2566 if (fln.getValue()==null)
2567 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2568 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2569 if (GENERATEPRECISEGC) {
2570 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2571 //Stash pointer in case of GC
2572 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2573 output.println(revertptr+"=revertlist;");
2575 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2576 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2577 //Stash pointer in case of GC
2578 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2579 output.println("revertlist="+revertptr+";");
2582 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2584 } else if (fln.getType().isBoolean()) {
2585 if (((Boolean)fln.getValue()).booleanValue())
2586 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2588 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2589 } else if (fln.getType().isChar()) {
2590 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2591 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2592 } else if (fln.getType().isLong()) {
2593 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2595 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2598 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2599 if (frn.getReturnTemp()!=null) {
2600 if (frn.getReturnTemp().getType().isPtr())
2601 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2603 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2605 output.println("return;");
2609 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2610 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2613 /** This method generates header information for the method or
2614 * task referenced by the Descriptor des. */
2616 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2618 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2619 MethodDescriptor md=null;
2620 TaskDescriptor task=null;
2621 if (des instanceof MethodDescriptor)
2622 md=(MethodDescriptor) des;
2624 task=(TaskDescriptor) des;
2626 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2628 if (md!=null&&md.getReturnType()!=null) {
2629 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2630 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2632 output.print(md.getReturnType().getSafeSymbol()+" ");
2634 //catch the constructor case
2635 output.print("void ");
2637 if (state.DSM||state.SINGLETM) {
2638 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2640 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2642 output.print(task.getSafeSymbol()+"(");
2644 boolean printcomma=false;
2645 if (GENERATEPRECISEGC) {
2647 if (state.DSM||state.SINGLETM) {
2648 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2650 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2652 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2658 for(int i=0; i<objectparams.numPrimitives(); i++) {
2659 TempDescriptor temp=objectparams.getPrimitive(i);
2663 if (temp.getType().isClass()||temp.getType().isArray())
2664 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2666 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2668 output.println(") {");
2669 } else if (!GENERATEPRECISEGC) {
2670 /* Imprecise Task */
2671 output.println("void * parameterarray[]) {");
2672 /* Unpack variables */
2673 for(int i=0; i<objectparams.numPrimitives(); i++) {
2674 TempDescriptor temp=objectparams.getPrimitive(i);
2675 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2677 for(int i=0; i<fm.numTags(); i++) {
2678 TempDescriptor temp=fm.getTag(i);
2679 int offset=i+objectparams.numPrimitives();
2680 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2683 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2684 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2685 } else output.println(") {");
2688 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2689 output.println("/* FlatFlagActionNode */");
2692 /* Process tag changes */
2693 Relation tagsettable=new Relation();
2694 Relation tagcleartable=new Relation();
2696 Iterator tagsit=ffan.getTempTagPairs();
2697 while (tagsit.hasNext()) {
2698 TempTagPair ttp=(TempTagPair) tagsit.next();
2699 TempDescriptor objtmp=ttp.getTemp();
2700 TagDescriptor tag=ttp.getTag();
2701 TempDescriptor tagtmp=ttp.getTagTemp();
2702 boolean tagstatus=ffan.getTagChange(ttp);
2704 tagsettable.put(objtmp, tagtmp);
2706 tagcleartable.put(objtmp, tagtmp);
2711 Hashtable flagandtable=new Hashtable();
2712 Hashtable flagortable=new Hashtable();
2714 /* Process flag changes */
2715 Iterator flagsit=ffan.getTempFlagPairs();
2716 while(flagsit.hasNext()) {
2717 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2718 TempDescriptor temp=tfp.getTemp();
2719 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2720 FlagDescriptor flag=tfp.getFlag();
2722 //Newly allocate objects that don't set any flags case
2723 if (flagortable.containsKey(temp)) {
2727 flagortable.put(temp,new Integer(mask));
2729 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2730 boolean flagstatus=ffan.getFlagChange(tfp);
2733 if (flagortable.containsKey(temp)) {
2734 mask=((Integer)flagortable.get(temp)).intValue();
2737 flagortable.put(temp,new Integer(mask));
2739 int mask=0xFFFFFFFF;
2740 if (flagandtable.containsKey(temp)) {
2741 mask=((Integer)flagandtable.get(temp)).intValue();
2743 mask&=(0xFFFFFFFF^flagid);
2744 flagandtable.put(temp,new Integer(mask));
2750 HashSet flagtagset=new HashSet();
2751 flagtagset.addAll(flagortable.keySet());
2752 flagtagset.addAll(flagandtable.keySet());
2753 flagtagset.addAll(tagsettable.keySet());
2754 flagtagset.addAll(tagcleartable.keySet());
2756 Iterator ftit=flagtagset.iterator();
2757 while(ftit.hasNext()) {
2758 TempDescriptor temp=(TempDescriptor)ftit.next();
2761 Set tagtmps=tagcleartable.get(temp);
2762 if (tagtmps!=null) {
2763 Iterator tagit=tagtmps.iterator();
2764 while(tagit.hasNext()) {
2765 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2766 if (GENERATEPRECISEGC)
2767 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2769 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2773 tagtmps=tagsettable.get(temp);
2774 if (tagtmps!=null) {
2775 Iterator tagit=tagtmps.iterator();
2776 while(tagit.hasNext()) {
2777 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2778 if (GENERATEPRECISEGC)
2779 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2781 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2786 int andmask=0xFFFFFFF;
2788 if (flagortable.containsKey(temp))
2789 ormask=((Integer)flagortable.get(temp)).intValue();
2790 if (flagandtable.containsKey(temp))
2791 andmask=((Integer)flagandtable.get(temp)).intValue();
2792 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2793 generateObjectDistribute(ffan, fm, lb, temp, output);
2797 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2798 PrintWriter output, int ormask, int andmask) {
2799 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2800 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2802 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2806 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2807 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
2810 void generateOptionalHeader(PrintWriter headers) {
2813 headers.println("#include \"task.h\"\n\n");
2814 headers.println("#ifndef _OPTIONAL_STRUCT_");
2815 headers.println("#define _OPTIONAL_STRUCT_");
2817 //STRUCT PREDICATEMEMBER
2818 headers.println("struct predicatemember{");
2819 headers.println("int type;");
2820 headers.println("int numdnfterms;");
2821 headers.println("int * flags;");
2822 headers.println("int numtags;");
2823 headers.println("int * tags;\n};\n\n");
2825 //STRUCT OPTIONALTASKDESCRIPTOR
2826 headers.println("struct optionaltaskdescriptor{");
2827 headers.println("struct taskdescriptor * task;");
2828 headers.println("int index;");
2829 headers.println("int numenterflags;");
2830 headers.println("int * enterflags;");
2831 headers.println("int numpredicatemembers;");
2832 headers.println("struct predicatemember ** predicatememberarray;");
2833 headers.println("};\n\n");
2835 //STRUCT TASKFAILURE
2836 headers.println("struct taskfailure {");
2837 headers.println("struct taskdescriptor * task;");
2838 headers.println("int index;");
2839 headers.println("int numoptionaltaskdescriptors;");
2840 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2842 //STRUCT FSANALYSISWRAPPER
2843 headers.println("struct fsanalysiswrapper{");
2844 headers.println("int flags;");
2845 headers.println("int numtags;");
2846 headers.println("int * tags;");
2847 headers.println("int numtaskfailures;");
2848 headers.println("struct taskfailure ** taskfailurearray;");
2849 headers.println("int numoptionaltaskdescriptors;");
2850 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2852 //STRUCT CLASSANALYSISWRAPPER
2853 headers.println("struct classanalysiswrapper{");
2854 headers.println("int type;");
2855 headers.println("int numotd;");
2856 headers.println("struct optionaltaskdescriptor ** otdarray;");
2857 headers.println("int numfsanalysiswrappers;");
2858 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2860 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2862 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2863 while(taskit.hasNext()) {
2864 TaskDescriptor td=(TaskDescriptor)taskit.next();
2865 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2870 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2871 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2872 int predicateindex = 0;
2873 //iterate through the classes concerned by the predicate
2874 Set c_vard = predicate.vardescriptors;
2875 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2878 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
2879 VarDescriptor vard = (VarDescriptor)vard_it.next();
2880 TypeDescriptor typed = vard.getType();
2882 //generate for flags
2883 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2884 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2886 if (fen_hashset!=null) {
2887 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
2888 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2890 DNFFlag dflag=fen.getDNF();
2891 numberterms+=dflag.size();
2893 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2895 for(int j=0; j<dflag.size(); j++) {
2897 output.println(",");
2898 Vector term=dflag.get(j);
2901 for(int k=0; k<term.size(); k++) {
2902 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2903 FlagDescriptor fd=dfa.getFlag();
2904 boolean negated=dfa.getNegated();
2905 int flagid=1<<((Integer)flags.get(fd)).intValue();
2910 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2915 output.println("};\n");
2918 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2919 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2922 for(int j=0; j<tagel.numTags(); j++) {
2924 output.println(",");
2925 TempDescriptor tmp=tagel.getTemp(j);
2926 if (!slotnumber.containsKey(tmp)) {
2927 Integer slotint=new Integer(current_slot++);
2928 slotnumber.put(tmp,slotint);
2930 int slot=slotnumber.get(tmp).intValue();
2931 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2933 numtags = tagel.numTags();
2935 output.println("};");
2937 //store the result into a predicatemember struct
2938 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2939 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2940 output.println("/* number of dnf terms */"+numberterms+",");
2941 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2942 output.println("/* number of tag */"+numtags+",");
2943 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2944 output.println("};\n");
2949 //generate an array that stores the entire predicate
2950 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2951 for( int j = 0; j<predicateindex; j++) {
2952 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2953 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2955 output.println("};\n");
2956 return predicateindex;
2960 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2961 generateOptionalHeader(headers);
2963 output.println("#include \"optionalstruct.h\"\n\n");
2964 output.println("#include \"stdlib.h\"\n");
2966 HashSet processedcd = new HashSet();
2968 Enumeration e = safeexecution.keys();
2969 while (e.hasMoreElements()) {
2972 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2973 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
2975 //Generate the struct of optionals
2976 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2977 numotd = c_otd.size();
2978 if(maxotd<numotd) maxotd = numotd;
2979 if( !c_otd.isEmpty() ) {
2980 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2981 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2983 //generate the int arrays for the predicate
2984 Predicate predicate = otd.predicate;
2985 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
2986 TreeSet<Integer> fsset=new TreeSet<Integer>();
2987 //iterate through possible FSes corresponding to
2988 //the state when entering
2990 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
2991 FlagState fs = (FlagState)fses.next();
2993 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
2994 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2995 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2998 fsset.add(new Integer(flagid));
2999 //tag information not needed because tag
3000 //changes are not tolerated.
3003 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3004 boolean needcomma=false;
3005 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
3008 output.println(it.next());
3011 output.println("};\n");
3014 //generate optionaltaskdescriptor that actually
3015 //includes exit fses, predicate and the task
3017 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3018 output.println("&task_"+otd.td.getSafeSymbol()+",");
3019 output.println("/*index*/"+otd.getIndex()+",");
3020 output.println("/*number of enter flags*/"+fsset.size()+",");
3021 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3022 output.println("/*number of members */"+predicateindex+",");
3023 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3024 output.println("};\n");
3028 // if there are no optionals, there is no need to build the rest of the struct
3030 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3031 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3032 if( !c_otd.isEmpty() ) {
3033 boolean needcomma=false;
3034 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3035 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3037 output.println(",");
3039 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3042 output.println("};\n");
3044 //get all the possible flagstates reachable by an object
3045 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3047 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3048 fsts.addAll(hashtbtemp.keySet());
3049 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
3050 FlagState fs = (FlagState)fsit.next();
3053 //get the set of OptionalTaskDescriptors corresponding
3054 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3055 //iterate through the OptionalTaskDescriptors and
3056 //store the pointers to the optionals struct (see on
3057 //top) into an array
3059 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3060 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
3061 OptionalTaskDescriptor mm = mos.next();
3063 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3065 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3068 output.println("};\n");
3070 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3073 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3074 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3075 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3079 //process tag information
3082 boolean first = true;
3083 Enumeration tag_enum = fs.getTags();
3084 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3085 while(tag_enum.hasMoreElements()) {
3087 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3091 output.println(", ");
3092 output.println("/*tagid*/"+state.getTagId(tagd));
3094 output.println("};");
3096 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3097 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3098 TaskIndex ti=itti.next();
3102 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3104 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3105 boolean needcomma=false;
3106 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
3107 OptionalTaskDescriptor otd=otdit.next();
3111 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3113 output.println("};");
3115 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3116 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3117 output.print(ti.getIndex()+", ");
3118 output.print(otdset.size()+", ");
3119 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3120 output.println("};");
3123 tiset=sa.getTaskIndex(fs);
3124 boolean needcomma=false;
3126 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3127 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3128 TaskIndex ti=itti.next();
3129 if (ti.isRuntime()) {
3136 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3138 output.println("};\n");
3140 //Store the result in fsanalysiswrapper
3142 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3143 output.println("/*flag*/"+flagid+",");
3144 output.println("/* number of tags*/"+tagcounter+",");
3145 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3146 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3147 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3148 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3149 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3150 output.println("};\n");
3154 //Build the array of fsanalysiswrappers
3155 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3156 boolean needcomma=false;
3157 for(int i = 0; i<fscounter; i++) {
3158 if (needcomma) output.print(",");
3159 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3162 output.println("};");
3164 //Build the classanalysiswrapper referring to the previous array
3165 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3166 output.println("/*type*/"+cdtemp.getId()+",");
3167 output.println("/*numotd*/"+numotd+",");
3168 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3169 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3170 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3171 processedcd.add(cdtemp);
3174 //build an array containing every classes for which code has been build
3175 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3176 for(int i=0; i<state.numClasses(); i++) {
3177 ClassDescriptor cn=cdarray[i];
3180 if (processedcd.contains(cn))
3181 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3183 output.print("NULL");
3185 output.println("};");
3187 output.println("#define MAXOTD "+maxotd);
3188 headers.println("#endif");
3191 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3192 Relation r=new Relation();
3193 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
3194 OptionalTaskDescriptor otd=otdit.next();
3195 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3199 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3200 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
3201 Set s=r.get(it.next());
3202 for(Iterator it2=s.iterator(); it2.hasNext();) {
3203 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3211 protected void outputTransCode(PrintWriter output) {