2 import IR.Tree.FlagExpressionNode;
3 import IR.Tree.DNFFlag;
4 import IR.Tree.DNFFlagAtom;
5 import IR.Tree.TagExpressionList;
6 import IR.Tree.OffsetNode;
12 import Analysis.TaskStateAnalysis.FlagState;
13 import Analysis.TaskStateAnalysis.FlagComparator;
14 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
15 import Analysis.TaskStateAnalysis.Predicate;
16 import Analysis.TaskStateAnalysis.SafetyAnalysis;
17 import Analysis.TaskStateAnalysis.TaskIndex;
18 import Analysis.Locality.LocalityAnalysis;
19 import Analysis.Locality.LocalityBinding;
20 import Analysis.Locality.DiscoverConflicts;
21 import Analysis.Prefetch.*;
22 import Analysis.Loops.WriteBarrier;
24 public class BuildCode {
27 Hashtable paramstable;
32 String localsprefix="___locals___";
33 String fcrevert="___fcrevert___";
34 String paramsprefix="___params___";
35 String oidstr="___nextobject___";
36 String nextobjstr="___nextobject___";
37 String localcopystr="___localcopy___";
38 public static boolean GENERATEPRECISEGC=false;
39 public static String PREFIX="";
40 public static String arraytype="ArrayObject";
41 public static int flagcount = 0;
44 protected int maxtaskparams=0;
45 private int maxcount=0;
46 ClassDescriptor[] cdarray;
47 TypeDescriptor[] arraytable;
48 LocalityAnalysis locality;
49 Hashtable<LocalityBinding, TempDescriptor> reverttable;
50 Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>> backuptable;
53 HashSet<FlatSESEEnterNode> setSESEtoGen;
54 boolean nonSESEpass=true;
59 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
60 this(st, temptovar, typeutil, null, sa, pa);
63 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
64 this(st, temptovar, typeutil, locality, null, pa);
67 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa) {
72 oidstr="___objlocation___";
73 this.temptovar=temptovar;
74 paramstable=new Hashtable();
75 tempstable=new Hashtable();
76 fieldorder=new Hashtable();
77 flagorder=new Hashtable();
78 this.typeutil=typeutil;
79 virtualcalls=new Virtual(state,locality);
81 this.locality=locality;
82 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
83 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
84 this.wb=new WriteBarrier(locality, st);
86 if (state.SINGLETM&&state.DCOPTS) {
87 this.dc=new DiscoverConflicts(locality, st);
91 setSESEtoGen = new HashSet<FlatSESEEnterNode>();
94 /** The buildCode method outputs C code for all the methods. The Flat
95 * versions of the methods must already be generated and stored in
96 * the State object. */
98 public void buildCode() {
99 /* Create output streams to write to */
100 PrintWriter outclassdefs=null;
101 PrintWriter outstructs=null;
102 PrintWriter outrepairstructs=null;
103 PrintWriter outmethodheader=null;
104 PrintWriter outmethod=null;
105 PrintWriter outvirtual=null;
106 PrintWriter outtask=null;
107 PrintWriter outtaskdefs=null;
108 PrintWriter outoptionalarrays=null;
109 PrintWriter optionalheaders=null;
112 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
113 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
114 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
115 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
116 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
118 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
119 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
120 if (state.OPTIONAL) {
121 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
122 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
125 if (state.structfile!=null) {
126 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
128 } catch (Exception e) {
133 /* Build the virtual dispatch tables */
134 buildVirtualTables(outvirtual);
136 /* Output includes */
137 outmethodheader.println("#ifndef METHODHEADERS_H");
138 outmethodheader.println("#define METHODHEADERS_H");
139 outmethodheader.println("#include \"structdefs.h\"");
141 outmethodheader.println("#include \"dstm.h\"");
143 outmethodheader.println("#include \"tm.h\"");
144 if (state.ABORTREADERS) {
145 outmethodheader.println("#include \"abortreaders.h\"");
146 outmethodheader.println("#include <setjmp.h>");
149 /* Output Structures */
150 outputStructs(outstructs);
152 // Output the C class declarations
153 // These could mutually reference each other
154 outputClassDeclarations(outclassdefs);
156 // Output function prototypes and structures for parameters
157 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
158 while(it.hasNext()) {
159 ClassDescriptor cn=(ClassDescriptor)it.next();
160 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
162 outclassdefs.close();
165 /* Map flags to integers */
166 /* The runtime keeps track of flags using these integers */
167 it=state.getClassSymbolTable().getDescriptorsIterator();
168 while(it.hasNext()) {
169 ClassDescriptor cn=(ClassDescriptor)it.next();
173 generateTaskStructs(outstructs, outmethodheader);
175 /* Outputs generic task structures if this is a task
177 outputTaskTypes(outtask);
180 /* Build the actual methods */
181 outputMethods(outmethod);
185 while( !setSESEtoGen.isEmpty() ) {
186 FlatSESEEnterNode fsen = setSESEtoGen.iterator().next();
187 setSESEtoGen.remove( fsen );
188 generateMethodSESE( fsen, fsen.getEnclosingFlatMeth(), null, outmethod );
191 assert setSESEtoGen.isEmpty();
195 /* Output code for tasks */
196 outputTaskCode(outtaskdefs, outmethod);
198 /* Record maximum number of task parameters */
199 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
200 } else if (state.main!=null) {
201 /* Generate main method */
202 outputMainMethod(outmethod);
205 /* Generate information for task with optional parameters */
206 if (state.TASK&&state.OPTIONAL) {
207 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
208 outoptionalarrays.close();
211 /* Output structure definitions for repair tool */
212 if (state.structfile!=null) {
213 buildRepairStructs(outrepairstructs);
214 outrepairstructs.close();
218 outmethodheader.println("#endif");
219 outmethodheader.close();
221 outstructs.println("#endif");
226 /* This code just generates the main C method for java programs.
227 * The main C method packs up the arguments into a string array
228 * and passes it to the java main method. */
230 private void outputMainMethod(PrintWriter outmethod) {
231 outmethod.println("int main(int argc, const char *argv[]) {");
232 outmethod.println(" int i;");
234 outmethod.println("#ifdef TRANSSTATS \n");
235 outmethod.println("handle();\n");
236 outmethod.println("#endif\n");
238 if (state.THREAD||state.DSM||state.SINGLETM) {
239 outmethod.println("initializethreads();");
242 outmethod.println("if (dstmStartup(argv[1])) {");
243 if (GENERATEPRECISEGC) {
244 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
246 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
249 if (GENERATEPRECISEGC) {
250 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
252 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
256 outmethod.println(" for(i=2;i<argc;i++) {");
258 outmethod.println(" for(i=1;i<argc;i++) {");
259 outmethod.println(" int length=strlen(argv[i]);");
260 if (GENERATEPRECISEGC) {
261 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
263 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
266 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
268 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
269 outmethod.println(" }");
272 MethodDescriptor md=typeutil.getMain();
273 ClassDescriptor cd=typeutil.getMainClass();
275 outmethod.println(" {");
276 if (GENERATEPRECISEGC) {
277 if (state.DSM||state.SINGLETM) {
278 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
280 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
281 outmethod.println("1, NULL,"+"stringarray};");
282 if (state.DSM||state.SINGLETM)
283 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
285 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
287 if (state.DSM||state.SINGLETM)
288 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
290 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
292 outmethod.println(" }");
295 outmethod.println("}");
298 if (state.THREAD||state.DSM||state.SINGLETM) {
299 outmethod.println("pthread_mutex_lock(&gclistlock);");
300 outmethod.println("threadcount--;");
301 outmethod.println("pthread_cond_signal(&gccond);");
302 outmethod.println("pthread_mutex_unlock(&gclistlock);");
305 if (state.DSM||state.SINGLETM) {
306 outmethod.println("#ifdef TRANSSTATS \n");
307 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
308 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
309 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
310 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
312 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
313 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
314 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
315 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
316 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
317 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
318 } else if (state.SINGLETM) {
319 outmethod.println("printf(\"nSoftAbortAbort= %d\\n\", nSoftAbortAbort);");
320 outmethod.println("printf(\"nSoftAbortCommit= %d\\n\", nSoftAbortCommit);");
322 outmethod.println("#endif\n");
325 if (state.THREAD||state.SINGLETM)
326 outmethod.println("pthread_exit(NULL);");
328 outmethod.println("}");
332 /* This method outputs code for each task. */
334 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
335 /* Compile task based program */
336 outtaskdefs.println("#include \"task.h\"");
337 outtaskdefs.println("#include \"methodheaders.h\"");
338 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
339 while(taskit.hasNext()) {
340 TaskDescriptor td=(TaskDescriptor)taskit.next();
341 FlatMethod fm=state.getMethodFlat(td);
342 generateFlatMethod(fm, null, outmethod);
343 generateTaskDescriptor(outtaskdefs, fm, td);
346 //Output task descriptors
347 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
348 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
350 while(taskit.hasNext()) {
351 TaskDescriptor td=(TaskDescriptor)taskit.next();
355 outtaskdefs.println(",");
356 outtaskdefs.print("&task_"+td.getSafeSymbol());
358 outtaskdefs.println("};");
360 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
363 /* This method outputs most of the methods.c file. This includes
364 * some standard includes and then an array with the sizes of
365 * objets and array that stores supertype and then the code for
366 * the Java methods.. */
368 protected void outputMethods(PrintWriter outmethod) {
369 outmethod.println("#include \"methodheaders.h\"");
370 outmethod.println("#include \"virtualtable.h\"");
371 outmethod.println("#include \"runtime.h\"");
373 outmethod.println("#include \"addPrefetchEnhance.h\"");
374 outmethod.println("#include \"localobjects.h\"");
376 if (state.FASTCHECK) {
377 outmethod.println("#include \"localobjects.h\"");
379 if(state.MULTICORE) {
380 outmethod.println("#include \"task.h\"");
382 if (state.THREAD||state.DSM||state.SINGLETM)
383 outmethod.println("#include <thread.h>");
384 if (state.main!=null) {
385 outmethod.println("#include <string.h>");
387 if (state.CONSCHECK) {
388 outmethod.println("#include \"checkers.h\"");
391 outmethod.println("#include \"mlp_runtime.h\"");
394 //Store the sizes of classes & array elements
395 generateSizeArray(outmethod);
397 //Store table of supertypes
398 generateSuperTypeTable(outmethod);
400 //Store the layout of classes
401 generateLayoutStructs(outmethod);
403 /* Generate code for methods */
404 if (state.DSM||state.SINGLETM) {
405 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
406 LocalityBinding lb=lbit.next();
407 MethodDescriptor md=lb.getMethod();
408 FlatMethod fm=state.getMethodFlat(md);
410 if (!md.getModifiers().isNative()) {
411 generateFlatMethod(fm, lb, outmethod);
415 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
416 while(classit.hasNext()) {
417 ClassDescriptor cn=(ClassDescriptor)classit.next();
418 Iterator methodit=cn.getMethods();
419 while(methodit.hasNext()) {
420 /* Classify parameters */
421 MethodDescriptor md=(MethodDescriptor)methodit.next();
422 FlatMethod fm=state.getMethodFlat(md);
423 if (!md.getModifiers().isNative()) {
424 generateFlatMethod(fm, null, outmethod);
431 protected void outputStructs(PrintWriter outstructs) {
432 outstructs.println("#ifndef STRUCTDEFS_H");
433 outstructs.println("#define STRUCTDEFS_H");
434 outstructs.println("#include \"classdefs.h\"");
435 outstructs.println("#ifndef INTPTR");
436 outstructs.println("#ifdef BIT64");
437 outstructs.println("#define INTPTR long");
438 outstructs.println("#else");
439 outstructs.println("#define INTPTR int");
440 outstructs.println("#endif");
441 outstructs.println("#endif");
443 /* Output #defines that the runtime uses to determine type
444 * numbers for various objects it needs */
445 outstructs.println("#define MAXCOUNT "+maxcount);
446 if (state.DSM||state.SINGLETM) {
447 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
449 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
450 else if (state.SINGLETM)
451 lb.setGlobalThis(LocalityAnalysis.NORMAL);
452 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
455 outstructs.println("#define STRINGARRAYTYPE "+
456 (state.getArrayNumber(
457 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
459 outstructs.println("#define OBJECTARRAYTYPE "+
460 (state.getArrayNumber(
461 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
464 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
465 outstructs.println("#define CHARARRAYTYPE "+
466 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
468 outstructs.println("#define BYTEARRAYTYPE "+
469 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
471 outstructs.println("#define BYTEARRAYARRAYTYPE "+
472 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
474 outstructs.println("#define NUMCLASSES "+state.numClasses());
476 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
477 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
478 outstructs.println("#define TAGARRAYTYPE "+
479 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
483 protected void outputClassDeclarations(PrintWriter outclassdefs) {
484 if (state.THREAD||state.DSM||state.SINGLETM)
485 outclassdefs.println("#include <pthread.h>");
486 outclassdefs.println("#ifndef INTPTR");
487 outclassdefs.println("#ifdef BIT64");
488 outclassdefs.println("#define INTPTR long");
489 outclassdefs.println("#else");
490 outclassdefs.println("#define INTPTR int");
491 outclassdefs.println("#endif");
492 outclassdefs.println("#endif");
494 outclassdefs.println("#include \"optionalstruct.h\"");
495 outclassdefs.println("struct "+arraytype+";");
496 /* Start by declaring all structs */
497 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
498 while(it.hasNext()) {
499 ClassDescriptor cn=(ClassDescriptor)it.next();
500 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
502 outclassdefs.println("");
503 //Print out definition for array type
504 outclassdefs.println("struct "+arraytype+" {");
505 outclassdefs.println(" int type;");
507 outclassdefs.println(" pthread_t tid;");
508 outclassdefs.println(" void * lockentry;");
509 outclassdefs.println(" int lockcount;");
512 outclassdefs.println(" int flag;");
513 if(!state.MULTICORE) {
514 outclassdefs.println(" void * flagptr;");
516 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
517 outclassdefs.println(" int version;");
518 outclassdefs.println(" struct ___Object___ * original;");
519 //outclassdefs.println(" int numlocks;"); // array for locks
520 outclassdefs.println(" int * lock;");
523 outclassdefs.println(" int numfses;");
524 outclassdefs.println(" int * fses;");
527 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
529 outclassdefs.println(" int ___length___;");
530 outclassdefs.println("};\n");
531 outclassdefs.println("extern int classsize[];");
532 outclassdefs.println("extern int hasflags[];");
533 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
534 outclassdefs.println("extern int supertypes[];");
537 /** Prints out definitions for generic task structures */
539 private void outputTaskTypes(PrintWriter outtask) {
540 outtask.println("#ifndef _TASK_H");
541 outtask.println("#define _TASK_H");
542 outtask.println("struct parameterdescriptor {");
543 outtask.println("int type;");
544 outtask.println("int numberterms;");
545 outtask.println("int *intarray;");
546 outtask.println("void * queue;");
547 outtask.println("int numbertags;");
548 outtask.println("int *tagarray;");
549 outtask.println("};");
551 outtask.println("struct taskdescriptor {");
552 outtask.println("void * taskptr;");
553 outtask.println("int numParameters;");
554 outtask.println(" int numTotal;");
555 outtask.println("struct parameterdescriptor **descriptorarray;");
556 outtask.println("char * name;");
557 outtask.println("};");
558 outtask.println("extern struct taskdescriptor * taskarray[];");
559 outtask.println("extern numtasks;");
560 outtask.println("#endif");
564 private void buildRepairStructs(PrintWriter outrepairstructs) {
565 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
566 while(classit.hasNext()) {
567 ClassDescriptor cn=(ClassDescriptor)classit.next();
568 outrepairstructs.println("structure "+cn.getSymbol()+" {");
569 outrepairstructs.println(" int __type__;");
571 outrepairstructs.println(" int __flag__;");
572 if(!state.MULTICORE) {
573 outrepairstructs.println(" int __flagptr__;");
576 printRepairStruct(cn, outrepairstructs);
577 outrepairstructs.println("}\n");
580 for(int i=0; i<state.numArrays(); i++) {
581 TypeDescriptor tdarray=arraytable[i];
582 TypeDescriptor tdelement=tdarray.dereference();
583 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
584 outrepairstructs.println(" int __type__;");
585 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
586 outrepairstructs.println(" int length;");
588 // Need to add support to repair tool for this
589 if (tdelement.isClass()||tdelement.isArray())
590 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
592 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
594 outrepairstructs.println("}\n");
598 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
599 ClassDescriptor sp=cn.getSuperDesc();
601 printRepairStruct(sp, output);
603 Vector fields=(Vector)fieldorder.get(cn);
605 for(int i=0; i<fields.size(); i++) {
606 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
607 if (fd.getType().isArray()) {
608 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
609 } else if (fd.getType().isClass())
610 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
611 else if (fd.getType().isFloat())
612 output.println(" int "+fd.getSymbol()+"; /* really float */");
614 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
618 /** This method outputs TaskDescriptor information */
619 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
620 for (int i=0; i<task.numParameters(); i++) {
621 VarDescriptor param_var=task.getParameter(i);
622 TypeDescriptor param_type=task.getParamType(i);
623 FlagExpressionNode param_flag=task.getFlag(param_var);
624 TagExpressionList param_tag=task.getTag(param_var);
627 if (param_flag==null) {
628 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
629 output.println("0x0, 0x0 };");
632 DNFFlag dflag=param_flag.getDNF();
633 dnfterms=dflag.size();
635 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
636 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
637 for(int j=0; j<dflag.size(); j++) {
640 Vector term=dflag.get(j);
643 for(int k=0; k<term.size(); k++) {
644 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
645 FlagDescriptor fd=dfa.getFlag();
646 boolean negated=dfa.getNegated();
647 int flagid=1<<((Integer)flags.get(fd)).intValue();
652 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
654 output.println("};");
657 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
658 //BUG...added next line to fix, test with any task program
660 for(int j=0; j<param_tag.numTags(); j++) {
663 /* for each tag we need */
664 /* which slot it is */
665 /* what type it is */
666 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
667 TempDescriptor tmp=param_tag.getTemp(j);
668 int slot=fm.getTagInt(tmp);
669 output.println(slot+", "+state.getTagId(tvd.getTag()));
671 output.println("};");
673 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
674 output.println("/* type */"+param_type.getClassDesc().getId()+",");
675 output.println("/* number of DNF terms */"+dnfterms+",");
676 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
677 output.println("0,");
678 //BUG, added next line to fix and else statement...test
679 //with any task program
681 output.println("/* number of tags */"+param_tag.numTags()+",");
683 output.println("/* number of tags */ 0,");
684 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
685 output.println("};");
689 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
690 for (int i=0; i<task.numParameters(); i++) {
693 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
695 output.println("};");
697 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
698 output.println("&"+task.getSafeSymbol()+",");
699 output.println("/* number of parameters */" +task.numParameters() + ",");
700 int numtotal=task.numParameters()+fm.numTags();
701 output.println("/* number total parameters */" +numtotal + ",");
702 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
703 output.println("\""+task.getSymbol()+"\"");
704 output.println("};");
708 /** The buildVirtualTables method outputs the virtual dispatch
709 * tables for methods. */
711 protected void buildVirtualTables(PrintWriter outvirtual) {
712 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
713 while(classit.hasNext()) {
714 ClassDescriptor cd=(ClassDescriptor)classit.next();
715 if (virtualcalls.getMethodCount(cd)>maxcount)
716 maxcount=virtualcalls.getMethodCount(cd);
718 MethodDescriptor[][] virtualtable=null;
719 LocalityBinding[][] lbvirtualtable=null;
720 if (state.DSM||state.SINGLETM)
721 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
723 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
725 /* Fill in virtual table */
726 classit=state.getClassSymbolTable().getDescriptorsIterator();
727 while(classit.hasNext()) {
728 ClassDescriptor cd=(ClassDescriptor)classit.next();
729 if (state.DSM||state.SINGLETM)
730 fillinRow(cd, lbvirtualtable, cd.getId());
732 fillinRow(cd, virtualtable, cd.getId());
735 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
736 Iterator arrayit=state.getArrayIterator();
737 while(arrayit.hasNext()) {
738 TypeDescriptor td=(TypeDescriptor)arrayit.next();
739 int id=state.getArrayNumber(td);
740 if (state.DSM||state.SINGLETM)
741 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
743 fillinRow(objectcd, virtualtable, id+state.numClasses());
746 outvirtual.print("void * virtualtable[]={");
747 boolean needcomma=false;
748 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
749 for(int j=0; j<maxcount; j++) {
751 outvirtual.print(", ");
752 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
753 LocalityBinding lb=lbvirtualtable[i][j];
754 MethodDescriptor md=lb.getMethod();
755 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
756 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
757 MethodDescriptor md=virtualtable[i][j];
758 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
760 outvirtual.print("0");
764 outvirtual.println("");
766 outvirtual.println("};");
770 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
771 /* Get inherited methods */
772 if (cd.getSuperDesc()!=null)
773 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
774 /* Override them with our methods */
775 for(Iterator it=cd.getMethods(); it.hasNext();) {
776 MethodDescriptor md=(MethodDescriptor)it.next();
777 if (md.isStatic()||md.getReturnType()==null)
779 int methodnum=virtualcalls.getMethodNumber(md);
780 virtualtable[rownum][methodnum]=md;
784 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
785 /* Get inherited methods */
786 if (cd.getSuperDesc()!=null)
787 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
788 /* Override them with our methods */
789 if (locality.getClassBindings(cd)!=null)
790 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
791 LocalityBinding lb=lbit.next();
792 MethodDescriptor md=lb.getMethod();
793 //Is the method static or a constructor
794 if (md.isStatic()||md.getReturnType()==null)
796 int methodnum=virtualcalls.getLocalityNumber(lb);
797 virtualtable[rownum][methodnum]=lb;
801 /** Generate array that contains the sizes of class objects. The
802 * object allocation functions in the runtime use this
805 private void generateSizeArray(PrintWriter outclassdefs) {
806 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
807 outclassdefs.print("#ifdef TRANSSTATS \n");
808 outclassdefs.print("extern int numTransAbort;\n");
809 outclassdefs.print("extern int numTransCommit;\n");
810 outclassdefs.print("extern int nSoftAbort;\n");
812 outclassdefs.print("extern int nchashSearch;\n");
813 outclassdefs.print("extern int nmhashSearch;\n");
814 outclassdefs.print("extern int nprehashSearch;\n");
815 outclassdefs.print("extern int nRemoteSend;\n");
816 outclassdefs.print("extern int bytesSent;\n");
817 outclassdefs.print("extern int bytesRecv;\n");
818 outclassdefs.print("extern void handle();\n");
819 } else if (state.SINGLETM) {
820 outclassdefs.println("extern int nSoftAbortAbort;");
821 outclassdefs.println("extern int nSoftAbortCommit;");
823 outclassdefs.print("#endif\n");
824 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
826 outclassdefs.print("int classsize[]={");
827 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
828 cdarray=new ClassDescriptor[state.numClasses()];
829 while(it.hasNext()) {
830 ClassDescriptor cd=(ClassDescriptor)it.next();
831 cdarray[cd.getId()]=cd;
833 boolean needcomma=false;
834 for(int i=0; i<state.numClasses(); i++) {
836 outclassdefs.print(", ");
837 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
841 arraytable=new TypeDescriptor[state.numArrays()];
843 Iterator arrayit=state.getArrayIterator();
844 while(arrayit.hasNext()) {
845 TypeDescriptor td=(TypeDescriptor)arrayit.next();
846 int id=state.getArrayNumber(td);
850 for(int i=0; i<state.numArrays(); i++) {
852 outclassdefs.print(", ");
853 TypeDescriptor tdelement=arraytable[i].dereference();
854 if (tdelement.isArray()||tdelement.isClass())
855 outclassdefs.print("sizeof(void *)");
857 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
861 outclassdefs.println("};");
863 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
865 outclassdefs.print("int typearray[]={");
866 for(int i=0;i<state.numClasses();i++) {
867 ClassDescriptor cd=cdarray[i];
868 ClassDescriptor supercd=cd.getSuperDesc();
870 outclassdefs.print(", ");
872 outclassdefs.print("-1");
874 outclassdefs.print(supercd.getId());
878 for(int i=0;i<state.numArrays();i++) {
879 TypeDescriptor arraytd=arraytable[i];
880 ClassDescriptor arraycd=arraytd.getClassDesc();
883 outclassdefs.print(", ");
884 outclassdefs.print(objectclass.getId());
888 ClassDescriptor cd=arraycd.getSuperDesc();
891 TypeDescriptor supertd=new TypeDescriptor(cd);
892 supertd.setArrayCount(arraytd.getArrayCount());
893 type=state.getArrayNumber(supertd);
895 type+=state.numClasses();
898 cd=cd.getSuperDesc();
901 outclassdefs.print(", ");
902 outclassdefs.print(type);
906 outclassdefs.println("};");
911 outclassdefs.print("int typearray2[]={");
912 for(int i=0;i<state.numArrays();i++) {
913 TypeDescriptor arraytd=arraytable[i];
914 ClassDescriptor arraycd=arraytd.getClassDesc();
917 outclassdefs.print(", ");
918 outclassdefs.print("-1");
922 ClassDescriptor cd=arraycd.getSuperDesc();
923 int level=arraytd.getArrayCount()-1;
925 for(;level>0;level--) {
926 TypeDescriptor supertd=new TypeDescriptor(objectclass);
927 supertd.setArrayCount(level);
928 type=state.getArrayNumber(supertd);
930 type+=state.numClasses();
935 outclassdefs.print(", ");
936 outclassdefs.print(type);
940 outclassdefs.println("};");
943 /** Constructs params and temp objects for each method or task.
944 * These objects tell the compiler which temps need to be
947 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
948 MethodDescriptor md=fm.getMethod();
949 TaskDescriptor task=fm.getTask();
950 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
951 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
953 paramstable.put(lb, objectparams);
954 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
957 paramstable.put(md, objectparams);
959 paramstable.put(task, objectparams);
961 for(int i=0; i<fm.numParameters(); i++) {
962 TempDescriptor temp=fm.getParameter(i);
963 TypeDescriptor type=temp.getType();
964 if (type.isPtr()&&GENERATEPRECISEGC)
965 objectparams.addPtr(temp);
967 objectparams.addPrim(temp);
968 if(lb!=null&&saveset.contains(temp)) {
969 backuptable.get(lb).put(temp, temp.createNew());
973 for(int i=0; i<fm.numTags(); i++) {
974 TempDescriptor temp=fm.getTag(i);
975 if (GENERATEPRECISEGC)
976 objectparams.addPtr(temp);
978 objectparams.addPrim(temp);
981 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
983 tempstable.put(lb, objecttemps);
985 tempstable.put(md, objecttemps);
987 tempstable.put(task, objecttemps);
989 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
990 FlatNode fn=(FlatNode)nodeit.next();
991 TempDescriptor[] writes=fn.writesTemps();
992 for(int i=0; i<writes.length; i++) {
993 TempDescriptor temp=writes[i];
994 TypeDescriptor type=temp.getType();
995 if (type.isPtr()&&GENERATEPRECISEGC)
996 objecttemps.addPtr(temp);
998 objecttemps.addPrim(temp);
999 if(lb!=null&&saveset.contains(temp)&&
1000 !backuptable.get(lb).containsKey(temp))
1001 backuptable.get(lb).put(temp, temp.createNew());
1005 /* Create backup temps */
1007 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
1008 TempDescriptor tmp=tmpit.next();
1009 TypeDescriptor type=tmp.getType();
1010 if (type.isPtr()&&GENERATEPRECISEGC)
1011 objecttemps.addPtr(tmp);
1013 objecttemps.addPrim(tmp);
1015 /* Create temp to hold revert table */
1016 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
1017 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
1018 if (GENERATEPRECISEGC)
1019 objecttemps.addPtr(reverttmp);
1021 objecttemps.addPrim(reverttmp);
1022 reverttable.put(lb, reverttmp);
1027 /** This method outputs the following information about classes
1029 * (1) For classes, what are the locations of pointers.
1030 * (2) For arrays, does the array contain pointers or primitives.
1031 * (3) For classes, does the class contain flags.
1034 private void generateLayoutStructs(PrintWriter output) {
1035 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1036 while(it.hasNext()) {
1037 ClassDescriptor cn=(ClassDescriptor)it.next();
1038 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1039 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1041 while(allit.hasNext()) {
1042 FieldDescriptor fd=(FieldDescriptor)allit.next();
1043 TypeDescriptor type=fd.getType();
1044 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1049 output.print(count);
1050 allit=cn.getFieldTable().getAllDescriptorsIterator();
1051 while(allit.hasNext()) {
1052 FieldDescriptor fd=(FieldDescriptor)allit.next();
1053 TypeDescriptor type=fd.getType();
1054 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1057 output.println(",");
1058 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
1061 output.println("};");
1063 output.println("unsigned INTPTR * pointerarray[]={");
1064 boolean needcomma=false;
1065 for(int i=0; i<state.numClasses(); i++) {
1066 ClassDescriptor cn=cdarray[i];
1068 output.println(",");
1070 output.print(cn.getSafeSymbol()+"_pointers");
1073 for(int i=0; i<state.numArrays(); i++) {
1075 output.println(", ");
1076 TypeDescriptor tdelement=arraytable[i].dereference();
1077 if (tdelement.isArray()||tdelement.isClass())
1078 output.print("((unsigned INTPTR *)1)");
1084 output.println("};");
1086 output.println("int hasflags[]={");
1087 for(int i=0; i<state.numClasses(); i++) {
1088 ClassDescriptor cn=cdarray[i];
1090 output.println(", ");
1097 output.println("};");
1100 /** Print out table to give us supertypes */
1101 private void generateSuperTypeTable(PrintWriter output) {
1102 output.println("int supertypes[]={");
1103 boolean needcomma=false;
1104 for(int i=0; i<state.numClasses(); i++) {
1105 ClassDescriptor cn=cdarray[i];
1107 output.println(",");
1109 if (cn.getSuperDesc()!=null) {
1110 ClassDescriptor cdsuper=cn.getSuperDesc();
1111 output.print(cdsuper.getId());
1115 output.println("};");
1118 /** Force consistent field ordering between inherited classes. */
1120 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
1122 ClassDescriptor sp=cn.getSuperDesc();
1124 printClassStruct(sp, classdefout);
1126 if (!fieldorder.containsKey(cn)) {
1127 Vector fields=new Vector();
1128 fieldorder.put(cn,fields);
1129 if (sp==null&&!state.TASK) {
1130 fields.add(cn.getFieldTable().get("cachedCode"));
1132 Iterator fieldit=cn.getFields();
1133 while(fieldit.hasNext()) {
1134 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
1135 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
1136 (!fd.getSymbol().equals("cachedCode")||state.TASK))
1140 Vector fields=(Vector)fieldorder.get(cn);
1142 for(int i=0; i<fields.size(); i++) {
1143 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1144 if (fd.getType().isClass()||fd.getType().isArray())
1145 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1147 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1152 /* Map flags to integers consistently between inherited
1155 protected void mapFlags(ClassDescriptor cn) {
1156 ClassDescriptor sp=cn.getSuperDesc();
1160 if (!flagorder.containsKey(cn)) {
1161 Hashtable flags=new Hashtable();
1162 flagorder.put(cn,flags);
1164 Hashtable superflags=(Hashtable)flagorder.get(sp);
1165 Iterator superflagit=superflags.keySet().iterator();
1166 while(superflagit.hasNext()) {
1167 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1168 Integer number=(Integer)superflags.get(fd);
1169 flags.put(fd, number);
1170 if ((number.intValue()+1)>max)
1171 max=number.intValue()+1;
1175 Iterator flagit=cn.getFlags();
1176 while(flagit.hasNext()) {
1177 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1178 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1179 flags.put(fd, new Integer(max++));
1185 /** This function outputs (1) structures that parameters are
1186 * passed in (when PRECISE GC is enabled) and (2) function
1187 * prototypes for the methods */
1189 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1190 /* Output class structure */
1191 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1192 classdefout.println(" int type;");
1194 classdefout.println(" pthread_t tid;");
1195 classdefout.println(" void * lockentry;");
1196 classdefout.println(" int lockcount;");
1200 classdefout.println(" int flag;");
1201 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1202 classdefout.println(" void * flagptr;");
1203 } else if (state.MULTICORE) {
1204 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1205 classdefout.println(" int version;");
1206 classdefout.println(" struct ___Object___ * original;");
1207 //classdefout.println(" int numlocks;"); // array for locks
1208 classdefout.println(" int * lock;");
1210 if (state.OPTIONAL) {
1211 classdefout.println(" int numfses;");
1212 classdefout.println(" int * fses;");
1215 printClassStruct(cn, classdefout);
1216 classdefout.println("};\n");
1218 if (state.DSM||state.SINGLETM) {
1219 /* Cycle through LocalityBindings */
1220 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1221 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1223 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1224 LocalityBinding lb=lbit.next();
1225 MethodDescriptor md=lb.getMethod();
1226 if (md.getModifiers().isNative()) {
1227 //make sure we only print a native method once
1228 if (nativemethods.contains(md)) {
1229 FlatMethod fm=state.getMethodFlat(md);
1230 generateTempStructs(fm, lb);
1233 nativemethods.add(md);
1235 generateMethod(cn, md, lb, headersout, output);
1238 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1239 MethodDescriptor md=(MethodDescriptor)methodit.next();
1240 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1241 //Need to build param structure for library code
1242 FlatMethod fm=state.getMethodFlat(md);
1243 generateTempStructs(fm, null);
1244 generateMethodParam(cn, md, null, output);
1249 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1250 MethodDescriptor md=(MethodDescriptor)methodit.next();
1251 generateMethod(cn, md, null, headersout, output);
1255 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1256 /* Output parameter structure */
1257 if (GENERATEPRECISEGC) {
1258 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1259 if ((state.DSM||state.SINGLETM)&&lb!=null)
1260 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1262 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1263 output.println(" INTPTR size;");
1264 output.println(" void * next;");
1265 for(int i=0; i<objectparams.numPointers(); i++) {
1266 TempDescriptor temp=objectparams.getPointer(i);
1267 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1269 output.println("};\n");
1274 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1275 FlatMethod fm=state.getMethodFlat(md);
1276 generateTempStructs(fm, lb);
1278 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1279 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1281 generateMethodParam(cn, md, lb, output);
1283 /* Output temp structure */
1284 if (GENERATEPRECISEGC) {
1285 if (state.DSM||state.SINGLETM)
1286 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1288 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1289 output.println(" INTPTR size;");
1290 output.println(" void * next;");
1291 for(int i=0; i<objecttemps.numPointers(); i++) {
1292 TempDescriptor temp=objecttemps.getPointer(i);
1293 if (temp.getType().isNull())
1294 output.println(" void * "+temp.getSafeSymbol()+";");
1296 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1298 output.println("};\n");
1301 /********* Output method declaration ***********/
1303 /* First the return type */
1304 if (md.getReturnType()!=null) {
1305 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1306 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1308 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1310 //catch the constructor case
1311 headersout.print("void ");
1313 /* Next the method name */
1314 if (state.DSM||state.SINGLETM) {
1315 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1317 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1319 boolean printcomma=false;
1320 if (GENERATEPRECISEGC) {
1321 if (state.DSM||state.SINGLETM) {
1322 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1324 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1328 /* Output parameter list*/
1329 for(int i=0; i<objectparams.numPrimitives(); i++) {
1330 TempDescriptor temp=objectparams.getPrimitive(i);
1332 headersout.print(", ");
1334 if (temp.getType().isClass()||temp.getType().isArray())
1335 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1337 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1339 headersout.println(");\n");
1343 /** This function outputs (1) structures that parameters are
1344 * passed in (when PRECISE GC is enabled) and (2) function
1345 * prototypes for the tasks */
1347 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1348 /* Cycle through tasks */
1349 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1351 while(taskit.hasNext()) {
1352 /* Classify parameters */
1353 TaskDescriptor task=(TaskDescriptor)taskit.next();
1354 FlatMethod fm=state.getMethodFlat(task);
1355 generateTempStructs(fm, null);
1357 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1358 TempObject objecttemps=(TempObject) tempstable.get(task);
1360 /* Output parameter structure */
1361 if (GENERATEPRECISEGC) {
1362 output.println("struct "+task.getSafeSymbol()+"_params {");
1364 output.println(" INTPTR size;");
1365 output.println(" void * next;");
1366 for(int i=0; i<objectparams.numPointers(); i++) {
1367 TempDescriptor temp=objectparams.getPointer(i);
1368 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1371 output.println("};\n");
1372 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1373 maxtaskparams=objectparams.numPointers()+fm.numTags();
1377 /* Output temp structure */
1378 if (GENERATEPRECISEGC) {
1379 output.println("struct "+task.getSafeSymbol()+"_locals {");
1380 output.println(" INTPTR size;");
1381 output.println(" void * next;");
1382 for(int i=0; i<objecttemps.numPointers(); i++) {
1383 TempDescriptor temp=objecttemps.getPointer(i);
1384 if (temp.getType().isNull())
1385 output.println(" void * "+temp.getSafeSymbol()+";");
1386 else if(temp.getType().isTag())
1387 output.println(" struct "+
1388 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1390 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1392 output.println("};\n");
1395 /* Output task declaration */
1396 headersout.print("void " + task.getSafeSymbol()+"(");
1398 boolean printcomma=false;
1399 if (GENERATEPRECISEGC) {
1400 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1402 headersout.print("void * parameterarray[]");
1403 headersout.println(");\n");
1407 /***** Generate code for FlatMethod fm. *****/
1409 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1410 if (State.PRINTFLAT)
1411 System.out.println(fm.printMethod());
1412 MethodDescriptor md=fm.getMethod();
1414 TaskDescriptor task=fm.getTask();
1416 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1418 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1419 generateHeader(fm, lb, md!=null ? md : task,output);
1420 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1422 if (GENERATEPRECISEGC) {
1423 if (md!=null&&(state.DSM||state.SINGLETM))
1424 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1425 else if (md!=null&&!(state.DSM||state.SINGLETM))
1426 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1428 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1430 output.print(objecttemp.numPointers()+",");
1431 output.print(paramsprefix);
1432 for(int j=0; j<objecttemp.numPointers(); j++)
1433 output.print(", NULL");
1434 output.println("};");
1437 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1438 TempDescriptor td=objecttemp.getPrimitive(i);
1439 TypeDescriptor type=td.getType();
1441 output.println(" void * "+td.getSafeSymbol()+";");
1442 else if (type.isClass()||type.isArray())
1443 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1445 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1448 /* Check to see if we need to do a GC if this is a
1449 * multi-threaded program...*/
1451 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1452 if (state.DSM&&lb.isAtomic())
1453 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1455 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1458 generateCode( fm.getNext(0), fm, lb, null, output );
1460 output.println("}\n\n");
1464 protected void generateMethodSESE( FlatSESEEnterNode fsen,
1467 PrintWriter output ) {
1469 //output.println( "void _SESE"+fsen.getPrettyIdentifier()+
1471 //generateCode( fsen.getNext(0), fm, lb, fsen.getFlatExit(), output );
1472 //output.println( "}\n\n" );
1475 output.println("struct sese"+faen.getPrettyIdentifier()+"in {");
1476 Iterator<TempDescriptor> itr = faen.getInVarSet().iterator();
1477 while( itr.hasNext() ) {
1478 TempDescriptor td = itr.next();
1479 output.println(" "+td+";");
1481 output.println("}");
1483 output.println("struct sese"+faen.getPrettyIdentifier()+"out {");
1484 itr = faen.getOutVarSet().iterator();
1485 while( itr.hasNext() ) {
1486 TempDescriptor td = itr.next();
1487 output.println(" "+td+";");
1489 output.println("}");
1495 protected void generateCode( FlatNode first,
1498 FlatSESEExitNode stop,
1499 PrintWriter output ) {
1501 /* Assign labels to FlatNode's if necessary.*/
1502 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(first);
1504 /* Do the actual code generation */
1505 FlatNode current_node=null;
1506 HashSet tovisit=new HashSet();
1507 HashSet visited=new HashSet();
1509 while(current_node!=null||!tovisit.isEmpty()) {
1510 if (current_node==null) {
1511 current_node=(FlatNode)tovisit.iterator().next();
1512 tovisit.remove(current_node);
1513 } else if (tovisit.contains(current_node)){
1514 tovisit.remove(current_node);
1516 if(current_node==stop) { return; }
1517 visited.add(current_node);
1518 if (nodetolabel.containsKey(current_node))
1519 output.println("L"+nodetolabel.get(current_node)+":");
1520 if (state.INSTRUCTIONFAILURE) {
1521 if (state.THREAD||state.DSM||state.SINGLETM) {
1522 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1524 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1526 if (current_node.numNext()==0) {
1528 generateFlatNode(fm, lb, current_node, output);
1529 if (current_node.kind()!=FKind.FlatReturnNode) {
1530 output.println(" return;");
1533 } else if(current_node.numNext()==1) {
1535 if (state.MLP && current_node.kind()==FKind.FlatSESEEnterNode) {
1536 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
1538 setSESEtoGen.add(fsen);
1539 fsen.setEnclosingFlatMeth(fm);
1541 nextnode=fsen.getFlatExit().getNext(0);
1544 generateFlatNode(fm, lb, current_node, output);
1545 nextnode=current_node.getNext(0);
1547 if (visited.contains(nextnode)) {
1548 output.println("goto L"+nodetolabel.get(nextnode)+";");
1551 current_node=nextnode;
1552 } else if (current_node.numNext()==2) {
1555 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1556 if (!visited.contains(current_node.getNext(1)))
1557 tovisit.add(current_node.getNext(1));
1558 if (visited.contains(current_node.getNext(0))) {
1559 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1562 current_node=current_node.getNext(0);
1563 } else throw new Error();
1568 /** This method assigns labels to FlatNodes */
1570 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first) {
1571 HashSet tovisit=new HashSet();
1572 HashSet visited=new HashSet();
1574 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1577 /*Assign labels first. A node needs a label if the previous
1578 * node has two exits or this node is a join point. */
1580 while(!tovisit.isEmpty()) {
1581 FlatNode fn=(FlatNode)tovisit.iterator().next();
1584 for(int i=0; i<fn.numNext(); i++) {
1585 FlatNode nn=fn.getNext(i);
1587 //1) Edge >1 of node
1588 nodetolabel.put(nn,new Integer(labelindex++));
1590 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1594 nodetolabel.put(nn,new Integer(labelindex++));
1602 /** Generate text string that corresponds to the TempDescriptor td. */
1603 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1604 MethodDescriptor md=fm.getMethod();
1605 TaskDescriptor task=fm.getTask();
1606 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1607 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1608 //System.out.println("generateTemp returns " + td.getSafeSymbol());
1609 return td.getSafeSymbol();
1612 if (objecttemps.isLocalPtr(td)) {
1613 return localsprefix+"."+td.getSafeSymbol();
1616 if (objecttemps.isParamPtr(td)) {
1617 return paramsprefix+"->"+td.getSafeSymbol();
1622 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1624 case FKind.FlatAtomicEnterNode:
1625 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1628 case FKind.FlatAtomicExitNode:
1629 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1632 case FKind.FlatInstanceOfNode:
1633 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
1636 case FKind.FlatSESEEnterNode:
1640 case FKind.FlatSESEExitNode:
1644 case FKind.FlatGlobalConvNode:
1645 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1648 case FKind.FlatTagDeclaration:
1649 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1652 case FKind.FlatCall:
1653 generateFlatCall(fm, lb, (FlatCall) fn,output);
1656 case FKind.FlatFieldNode:
1657 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1660 case FKind.FlatElementNode:
1661 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1664 case FKind.FlatSetElementNode:
1665 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1668 case FKind.FlatSetFieldNode:
1669 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1673 generateFlatNew(fm, lb, (FlatNew) fn,output);
1676 case FKind.FlatOpNode:
1677 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1680 case FKind.FlatCastNode:
1681 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1684 case FKind.FlatLiteralNode:
1685 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1688 case FKind.FlatReturnNode:
1689 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1693 output.println("/* nop */");
1696 case FKind.FlatExit:
1697 output.println("/* exit */");
1700 case FKind.FlatBackEdge:
1701 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1702 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1703 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1705 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1707 output.println("/* nop */");
1710 case FKind.FlatCheckNode:
1711 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1714 case FKind.FlatFlagActionNode:
1715 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1718 case FKind.FlatPrefetchNode:
1719 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1722 case FKind.FlatOffsetNode:
1723 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
1729 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
1730 output.println("/* FlatOffsetNode */");
1731 FieldDescriptor fd=fofn.getField();
1732 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+");");
1733 output.println("/* offset */");
1736 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1737 if (state.PREFETCH) {
1738 Vector oids = new Vector();
1739 Vector fieldoffset = new Vector();
1740 Vector endoffset = new Vector();
1741 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1742 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
1743 PrefetchPair pp = (PrefetchPair) it.next();
1744 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1745 /* Find prefetches that can generate oid */
1746 if(statusbase == LocalityAnalysis.GLOBAL) {
1747 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1749 } else if (statusbase == LocalityAnalysis.LOCAL) {
1750 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1757 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
1758 output.println("{");
1759 output.println("/* prefetch */");
1760 output.println("/* prefetchid_" + fpn.siteid + " */");
1761 output.println("void * prefptr;");
1762 output.println("int tmpindex;");
1764 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1765 /*Create C code for oid array */
1766 output.print(" unsigned int oidarray_[] = {");
1767 boolean needcomma=false;
1768 for (Iterator it = oids.iterator(); it.hasNext();) {
1771 output.print(it.next());
1774 output.println("};");
1776 /*Create C code for endoffset values */
1777 output.print(" unsigned short endoffsetarry_[] = {");
1779 for (Iterator it = endoffset.iterator(); it.hasNext();) {
1782 output.print(it.next());
1785 output.println("};");
1787 /*Create C code for Field Offset Values */
1788 output.print(" short fieldarry_[] = {");
1790 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
1793 output.print(it.next());
1796 output.println("};");
1797 /* make the prefetch call to Runtime */
1798 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1799 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1800 output.println(" }");
1801 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1802 output.println(" } else {");
1803 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1804 output.println(" }");
1805 output.println("}");
1809 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1810 short offsetcount = 0;
1814 } else if (localbase) {
1815 for(; breakindex<pp.desc.size(); breakindex++) {
1816 Descriptor desc=pp.getDescAt(breakindex);
1817 if (desc instanceof FieldDescriptor) {
1818 FieldDescriptor fd=(FieldDescriptor)desc;
1819 if (fd.isGlobal()) {
1827 if (breakindex>pp.desc.size()) //all local
1830 TypeDescriptor lasttype=pp.base.getType();
1831 String basestr=generateTemp(fm, pp.base, lb);
1833 boolean maybenull=fm.getMethod().isStatic()||
1834 !pp.base.equals(fm.getParameter(0));
1836 for(int i=0; i<breakindex; i++) {
1837 String indexcheck="";
1839 Descriptor desc=pp.getDescAt(i);
1840 if (desc instanceof FieldDescriptor) {
1841 FieldDescriptor fd=(FieldDescriptor)desc;
1843 if (!teststr.equals(""))
1845 teststr+="((prefptr="+basestr+")!=NULL)";
1846 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
1848 basestr=basestr+"->"+fd.getSafeSymbol();
1851 lasttype=fd.getType();
1853 IndexDescriptor id=(IndexDescriptor)desc;
1854 indexcheck="((tmpindex=";
1855 for(int j=0; j<id.tddesc.size(); j++) {
1856 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
1858 indexcheck+=id.offset+")>=0)&&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
1860 if (!teststr.equals(""))
1862 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
1863 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
1865 lasttype=lasttype.dereference();
1870 if (teststr.equals("")) {
1871 oid="((unsigned int)"+basestr+")";
1873 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
1877 for(int i = breakindex; i < pp.desc.size(); i++) {
1878 String newfieldoffset;
1879 Object desc = pp.getDescAt(i);
1880 if(desc instanceof FieldDescriptor) {
1881 FieldDescriptor fd=(FieldDescriptor)desc;
1882 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
1883 lasttype=fd.getType();
1885 newfieldoffset = "";
1886 IndexDescriptor id=(IndexDescriptor)desc;
1887 for(int j = 0; j < id.tddesc.size(); j++) {
1888 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
1890 newfieldoffset += id.offset.toString();
1891 lasttype=lasttype.dereference();
1893 fieldoffset.add(newfieldoffset);
1896 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
1897 base+=pp.desc.size()-breakindex;
1898 endoffset.add(new Short((short)base));
1903 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1904 if (lb!=fgcn.getLocality())
1906 /* Have to generate flat globalconv */
1907 if (fgcn.getMakePtr()) {
1909 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1911 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1914 /* Need to convert to OID */
1915 if (fgcn.doConvert()) {
1916 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1918 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
1923 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
1925 if (fion.getType().isArray()) {
1926 type=state.getArrayNumber(fion.getType())+state.numClasses();
1928 type=fion.getType().getClassDesc().getId();
1931 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
1932 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
1934 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
1937 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1938 /* Check to see if we need to generate code for this atomic */
1939 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1941 /* Backup the temps. */
1942 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1943 TempDescriptor tmp=tmpit.next();
1944 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1947 output.println("goto transstart"+faen.getIdentifier()+";");
1949 /******* Print code to retry aborted transaction *******/
1950 output.println("transretry"+faen.getIdentifier()+":");
1953 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1954 TempDescriptor tmp=tmpit.next();
1955 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
1959 /********* Need to revert local object store ********/
1960 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1962 output.println("while ("+revertptr+") {");
1963 output.println("struct ___Object___ * tmpptr;");
1964 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1965 output.println("REVERT_OBJ("+revertptr+");");
1966 output.println(revertptr+"=tmpptr;");
1967 output.println("}");
1969 /******* Tell the runtime to start the transaction *******/
1971 output.println("transstart"+faen.getIdentifier()+":");
1972 output.println("transStart();");
1974 if (state.ABORTREADERS) {
1975 output.println("if (_setjmp(aborttrans)) {");
1976 output.println(" goto transretry"+faen.getIdentifier()+"; }");
1980 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1981 /* Check to see if we need to generate code for this atomic */
1982 if (locality.getAtomic(lb).get(faen).intValue()>0)
1984 //store the revert list before we lose the transaction object
1985 String revertptr=null;
1987 revertptr=generateTemp(fm, reverttable.get(lb),lb);
1988 output.println(revertptr+"=revertlist;");
1990 output.println("if (transCommit()) {");
1991 /* Transaction aborts if it returns true */
1992 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1994 output.println("} else {");
1995 /* Need to commit local object store */
1996 output.println("while ("+revertptr+") {");
1997 output.println("struct ___Object___ * tmpptr;");
1998 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1999 output.println("COMMIT_OBJ("+revertptr+");");
2000 output.println(revertptr+"=tmpptr;");
2001 output.println("}");
2003 output.println("}");
2007 public void generateSESE(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
2012 public void generateFlatSESEEnterNode(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
2015 public void generateFlatSESEExitNode(FlatMethod fm, LocalityBinding lb, FlatSESEExitNode faen, PrintWriter output) {
2016 //output.println("mlpNotifyExit( (struct SESE*)0 );");
2019 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
2020 if (state.CONSCHECK) {
2021 String specname=fcn.getSpec();
2022 String varname="repairstate___";
2023 output.println("{");
2024 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2026 TempDescriptor[] temps=fcn.getTemps();
2027 String[] vars=fcn.getVars();
2028 for(int i=0; i<temps.length; i++) {
2029 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
2032 output.println("if (doanalysis"+specname+"("+varname+")) {");
2033 output.println("free"+specname+"_state("+varname+");");
2034 output.println("} else {");
2035 output.println("/* Bad invariant */");
2036 output.println("free"+specname+"_state("+varname+");");
2037 output.println("abort_task();");
2038 output.println("}");
2039 output.println("}");
2043 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
2044 MethodDescriptor md=fc.getMethod();
2045 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM||state.SINGLETM ? locality.getBinding(lb, fc) : md);
2046 ClassDescriptor cn=md.getClassDesc();
2047 output.println("{");
2048 if (GENERATEPRECISEGC) {
2049 if (state.DSM||state.SINGLETM) {
2050 LocalityBinding fclb=locality.getBinding(lb, fc);
2051 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2053 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2055 output.print(objectparams.numPointers());
2056 output.print(", & "+localsprefix);
2057 if (md.getThis()!=null) {
2059 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
2061 if (fc.getThis()!=null&&md.getThis()==null) {
2062 System.out.println("WARNING!!!!!!!!!!!!");
2063 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2067 for(int i=0; i<fc.numArgs(); i++) {
2068 Descriptor var=md.getParameter(i);
2069 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2070 if (objectparams.isParamPtr(paramtemp)) {
2071 TempDescriptor targ=fc.getArg(i);
2073 TypeDescriptor td=md.getParamType(i);
2075 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2077 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2080 output.println("};");
2085 if (fc.getReturnTemp()!=null)
2086 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
2088 /* Do we need to do virtual dispatch? */
2089 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
2091 if (state.DSM||state.SINGLETM) {
2092 LocalityBinding fclb=locality.getBinding(lb, fc);
2093 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2095 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2100 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2101 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2103 output.print(md.getReturnType().getSafeSymbol()+" ");
2104 output.print("(*)(");
2106 boolean printcomma=false;
2107 if (GENERATEPRECISEGC) {
2108 if (state.DSM||state.SINGLETM) {
2109 LocalityBinding fclb=locality.getBinding(lb, fc);
2110 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2112 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2116 for(int i=0; i<objectparams.numPrimitives(); i++) {
2117 TempDescriptor temp=objectparams.getPrimitive(i);
2121 if (temp.getType().isClass()||temp.getType().isArray())
2122 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2124 output.print(temp.getType().getSafeSymbol());
2128 if (state.DSM||state.SINGLETM) {
2129 LocalityBinding fclb=locality.getBinding(lb, fc);
2130 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
2132 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2136 boolean needcomma=false;
2137 if (GENERATEPRECISEGC) {
2138 output.print("&__parameterlist__");
2142 if (!GENERATEPRECISEGC) {
2143 if (fc.getThis()!=null) {
2144 TypeDescriptor ptd=md.getThis().getType();
2147 if (ptd.isClass()&&!ptd.isArray())
2148 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2149 output.print(generateTemp(fm,fc.getThis(),lb));
2154 for(int i=0; i<fc.numArgs(); i++) {
2155 Descriptor var=md.getParameter(i);
2156 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2157 if (objectparams.isParamPrim(paramtemp)) {
2158 TempDescriptor targ=fc.getArg(i);
2162 TypeDescriptor ptd=md.getParamType(i);
2163 if (ptd.isClass()&&!ptd.isArray())
2164 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2165 output.print(generateTemp(fm, targ,lb));
2169 output.println(");");
2170 output.println(" }");
2173 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2174 Set subclasses=typeutil.getSubClasses(thiscd);
2175 if (subclasses==null)
2177 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
2178 ClassDescriptor cd=(ClassDescriptor)classit.next();
2179 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
2180 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
2181 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2182 if (md.matches(matchmd))
2189 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
2190 if (state.SINGLETM) {
2191 //single machine transactional memory case
2192 String field=ffn.getField().getSafeSymbol();
2193 String src=generateTemp(fm, ffn.getSrc(),lb);
2194 String dst=generateTemp(fm, ffn.getDst(),lb);
2196 output.println(dst+"="+ src +"->"+field+ ";");
2197 if (ffn.getField().getType().isPtr()&&locality.getAtomic(lb).get(ffn).intValue()>0&&
2198 ((dc==null)||dc.getNeedTrans(lb, ffn))&&
2199 locality.getNodePreTempInfo(lb, ffn).get(ffn.getSrc())!=LocalityAnalysis.SCRATCH) {
2200 output.println("TRANSREAD("+dst+", "+dst+");");
2202 } else if (state.DSM) {
2203 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
2204 if (status==LocalityAnalysis.GLOBAL) {
2205 String field=ffn.getField().getSafeSymbol();
2206 String src=generateTemp(fm, ffn.getSrc(),lb);
2207 String dst=generateTemp(fm, ffn.getDst(),lb);
2209 if (ffn.getField().getType().isPtr()) {
2211 //TODO: Uncomment this when we have runtime support
2212 //if (ffn.getSrc()==ffn.getDst()) {
2213 //output.println("{");
2214 //output.println("void * temp="+src+";");
2215 //output.println("if (temp&0x1) {");
2216 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
2217 //output.println(src+"->"+field+"="+temp+";");
2218 //output.println("}");
2219 //output.println(dst+"=temp;");
2220 //output.println("}");
2222 output.println(dst+"="+ src +"->"+field+ ";");
2223 //output.println("if ("+dst+"&0x1) {");
2224 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2225 //output.println(src+"->"+field+"="+src+"->"+field+";");
2226 //output.println("}");
2229 output.println(dst+"="+ src+"->"+field+";");
2231 } else if (status==LocalityAnalysis.LOCAL) {
2232 if (ffn.getField().getType().isPtr()&&
2233 ffn.getField().isGlobal()) {
2234 String field=ffn.getField().getSafeSymbol();
2235 String src=generateTemp(fm, ffn.getSrc(),lb);
2236 String dst=generateTemp(fm, ffn.getDst(),lb);
2237 output.println(dst+"="+ src +"->"+field+ ";");
2238 if (locality.getAtomic(lb).get(ffn).intValue()>0)
2239 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2241 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2242 } else if (status==LocalityAnalysis.EITHER) {
2243 //Code is reading from a null pointer
2244 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
2245 output.println("#ifndef RAW");
2246 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2247 output.println("#endif");
2248 //This should throw a suitable null pointer error
2249 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2251 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2253 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2257 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
2258 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2259 throw new Error("Can't set array length");
2260 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2261 //Single Machine Transaction Case
2262 boolean srcptr=fsfn.getSrc().getType().isPtr();
2263 String src=generateTemp(fm,fsfn.getSrc(),lb);
2264 String dst=generateTemp(fm,fsfn.getDst(),lb);
2265 if (srcptr&&!fsfn.getSrc().getType().isNull()) {
2266 output.println("{");
2267 if ((dc==null)||dc.getNeedSrcTrans(lb, fsfn)&&
2268 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getSrc())!=LocalityAnalysis.SCRATCH) {
2269 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2271 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2274 if (wb.needBarrier(fsfn)&&
2275 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getDst())!=LocalityAnalysis.SCRATCH) {
2276 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
2278 if (srcptr&!fsfn.getSrc().getType().isNull()) {
2279 output.println("*((unsigned INTPTR *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2280 output.println("}");
2282 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2284 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2285 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
2286 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
2287 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2289 String src=generateTemp(fm,fsfn.getSrc(),lb);
2290 String dst=generateTemp(fm,fsfn.getDst(),lb);
2292 output.println("{");
2293 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2295 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2298 if (wb.needBarrier(fsfn))
2299 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2301 output.println("*((unsigned INTPTR *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2303 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2304 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2305 /** Check if we need to copy */
2306 output.println("if(!"+dst+"->"+localcopystr+") {");
2307 /* Link object into list */
2308 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2309 output.println(revertptr+"=revertlist;");
2310 if (GENERATEPRECISEGC)
2311 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2313 output.println("COPY_OBJ("+dst+");");
2314 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2315 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2316 output.println("}");
2318 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2320 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2321 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2322 //writing to a null...bad
2323 output.println("if ("+dst+") {");
2324 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2326 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2328 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2331 output.println("}");
2334 if (state.FASTCHECK) {
2335 String dst=generateTemp(fm, fsfn.getDst(),lb);
2336 output.println("if(!"+dst+"->"+localcopystr+") {");
2337 /* Link object into list */
2338 if (GENERATEPRECISEGC)
2339 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2341 output.println("COPY_OBJ("+dst+");");
2342 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2343 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2344 output.println("}");
2346 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2350 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2351 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2354 if (elementtype.isArray()||elementtype.isClass())
2357 type=elementtype.getSafeSymbol()+" ";
2359 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2360 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2361 output.println("failedboundschk();");
2363 if (state.SINGLETM) {
2364 //Single machine transaction case
2365 String dst=generateTemp(fm, fen.getDst(),lb);
2366 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2368 if (elementtype.isPtr()&&locality.getAtomic(lb).get(fen).intValue()>0&&
2369 ((dc==null)||dc.getNeedTrans(lb, fen))&&
2370 locality.getNodePreTempInfo(lb, fen).get(fen.getSrc())!=LocalityAnalysis.SCRATCH) {
2371 output.println("TRANSREAD("+dst+", "+dst+");");
2373 } else if (state.DSM) {
2374 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2375 if (status==LocalityAnalysis.GLOBAL) {
2376 String dst=generateTemp(fm, fen.getDst(),lb);
2378 if (elementtype.isPtr()) {
2379 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2380 output.println("TRANSREAD("+dst+", "+dst+");");
2382 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2384 } else if (status==LocalityAnalysis.LOCAL) {
2385 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2386 } else if (status==LocalityAnalysis.EITHER) {
2387 //Code is reading from a null pointer
2388 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2389 output.println("#ifndef RAW");
2390 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2391 output.println("#endif");
2392 //This should throw a suitable null pointer error
2393 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2395 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2397 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2401 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2402 //TODO: need dynamic check to make sure this assignment is actually legal
2403 //Because Object[] could actually be something more specific...ie. Integer[]
2405 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2408 if (elementtype.isArray()||elementtype.isClass())
2411 type=elementtype.getSafeSymbol()+" ";
2413 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2414 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2415 output.println("failedboundschk();");
2418 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2419 //Transaction set element case
2420 if (wb.needBarrier(fsen)&&
2421 locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH) {
2422 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
2424 if (fsen.getSrc().getType().isPtr()&&!fsen.getSrc().getType().isNull()) {
2425 output.println("{");
2426 String src=generateTemp(fm, fsen.getSrc(), lb);
2427 if ((dc==null)||dc.getNeedSrcTrans(lb, fsen)&&
2428 locality.getNodePreTempInfo(lb, fsen).get(fsen.getSrc())!=LocalityAnalysis.SCRATCH) {
2429 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2431 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2433 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2434 output.println("}");
2436 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2438 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2439 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2440 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2441 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2442 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2443 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2446 if (wb.needBarrier(fsen))
2447 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2448 } else if (dstlocal) {
2449 /** Check if we need to copy */
2450 String dst=generateTemp(fm, fsen.getDst(),lb);
2451 output.println("if(!"+dst+"->"+localcopystr+") {");
2452 /* Link object into list */
2453 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2454 output.println(revertptr+"=revertlist;");
2455 if (GENERATEPRECISEGC)
2456 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2458 output.println("COPY_OBJ("+dst+");");
2459 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2460 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2461 output.println("}");
2462 } else throw new Error("Unknown array type");
2464 output.println("{");
2465 String src=generateTemp(fm, fsen.getSrc(), lb);
2466 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2467 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2468 output.println("}");
2470 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2473 if (state.FASTCHECK) {
2474 String dst=generateTemp(fm, fsen.getDst(),lb);
2475 output.println("if(!"+dst+"->"+localcopystr+") {");
2476 /* Link object into list */
2477 if (GENERATEPRECISEGC)
2478 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2480 output.println("COPY_OBJ("+dst+");");
2481 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2482 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2483 output.println("}");
2485 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2489 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2490 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2491 //Stash pointer in case of GC
2492 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2493 output.println(revertptr+"=revertlist;");
2495 if (state.SINGLETM) {
2496 if (fn.getType().isArray()) {
2497 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2498 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2499 //inside transaction
2500 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2502 //outside transaction
2503 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2506 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2507 //inside transaction
2508 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2510 //outside transaction
2511 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2514 } else if (fn.getType().isArray()) {
2515 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2516 if (fn.isGlobal()) {
2517 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2518 } else if (GENERATEPRECISEGC) {
2519 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2521 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2524 if (fn.isGlobal()) {
2525 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
2526 } else if (GENERATEPRECISEGC) {
2527 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2529 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2532 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2533 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2534 String dst=generateTemp(fm,fn.getDst(),lb);
2535 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2536 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2537 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2539 if (state.FASTCHECK) {
2540 String dst=generateTemp(fm,fn.getDst(),lb);
2541 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2542 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2543 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2547 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2548 if (GENERATEPRECISEGC) {
2549 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2551 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2555 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2556 if (fon.getRight()!=null) {
2557 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2558 if (fon.getLeft().getType().isLong())
2559 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2561 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2564 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2565 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2566 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2567 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2568 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2569 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2570 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2571 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2572 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2573 else if (fon.getOp().getOp()==Operation.COMP)
2574 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2575 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2576 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2578 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2581 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2582 /* TODO: Do type check here */
2583 if (fcn.getType().isArray()) {
2585 } else if (fcn.getType().isClass())
2586 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2588 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2591 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2592 if (fln.getValue()==null)
2593 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2594 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2595 if (GENERATEPRECISEGC) {
2596 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2597 //Stash pointer in case of GC
2598 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2599 output.println(revertptr+"=revertlist;");
2601 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2602 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2603 //Stash pointer in case of GC
2604 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2605 output.println("revertlist="+revertptr+";");
2608 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2610 } else if (fln.getType().isBoolean()) {
2611 if (((Boolean)fln.getValue()).booleanValue())
2612 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2614 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2615 } else if (fln.getType().isChar()) {
2616 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2617 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2618 } else if (fln.getType().isLong()) {
2619 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2621 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2624 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2625 if (frn.getReturnTemp()!=null) {
2626 if (frn.getReturnTemp().getType().isPtr())
2627 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2629 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2631 output.println("return;");
2635 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2636 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2639 /** This method generates header information for the method or
2640 * task referenced by the Descriptor des. */
2642 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2644 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2645 MethodDescriptor md=null;
2646 TaskDescriptor task=null;
2647 if (des instanceof MethodDescriptor)
2648 md=(MethodDescriptor) des;
2650 task=(TaskDescriptor) des;
2652 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2654 if (md!=null&&md.getReturnType()!=null) {
2655 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2656 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2658 output.print(md.getReturnType().getSafeSymbol()+" ");
2660 //catch the constructor case
2661 output.print("void ");
2663 if (state.DSM||state.SINGLETM) {
2664 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2666 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2668 output.print(task.getSafeSymbol()+"(");
2670 boolean printcomma=false;
2671 if (GENERATEPRECISEGC) {
2673 if (state.DSM||state.SINGLETM) {
2674 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2676 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2678 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2684 for(int i=0; i<objectparams.numPrimitives(); i++) {
2685 TempDescriptor temp=objectparams.getPrimitive(i);
2689 if (temp.getType().isClass()||temp.getType().isArray())
2690 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2692 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2694 output.println(") {");
2695 } else if (!GENERATEPRECISEGC) {
2696 /* Imprecise Task */
2697 output.println("void * parameterarray[]) {");
2698 /* Unpack variables */
2699 for(int i=0; i<objectparams.numPrimitives(); i++) {
2700 TempDescriptor temp=objectparams.getPrimitive(i);
2701 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2703 for(int i=0; i<fm.numTags(); i++) {
2704 TempDescriptor temp=fm.getTag(i);
2705 int offset=i+objectparams.numPrimitives();
2706 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2709 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2710 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2711 } else output.println(") {");
2714 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2715 output.println("/* FlatFlagActionNode */");
2718 /* Process tag changes */
2719 Relation tagsettable=new Relation();
2720 Relation tagcleartable=new Relation();
2722 Iterator tagsit=ffan.getTempTagPairs();
2723 while (tagsit.hasNext()) {
2724 TempTagPair ttp=(TempTagPair) tagsit.next();
2725 TempDescriptor objtmp=ttp.getTemp();
2726 TagDescriptor tag=ttp.getTag();
2727 TempDescriptor tagtmp=ttp.getTagTemp();
2728 boolean tagstatus=ffan.getTagChange(ttp);
2730 tagsettable.put(objtmp, tagtmp);
2732 tagcleartable.put(objtmp, tagtmp);
2737 Hashtable flagandtable=new Hashtable();
2738 Hashtable flagortable=new Hashtable();
2740 /* Process flag changes */
2741 Iterator flagsit=ffan.getTempFlagPairs();
2742 while(flagsit.hasNext()) {
2743 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2744 TempDescriptor temp=tfp.getTemp();
2745 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2746 FlagDescriptor flag=tfp.getFlag();
2748 //Newly allocate objects that don't set any flags case
2749 if (flagortable.containsKey(temp)) {
2753 flagortable.put(temp,new Integer(mask));
2755 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2756 boolean flagstatus=ffan.getFlagChange(tfp);
2759 if (flagortable.containsKey(temp)) {
2760 mask=((Integer)flagortable.get(temp)).intValue();
2763 flagortable.put(temp,new Integer(mask));
2765 int mask=0xFFFFFFFF;
2766 if (flagandtable.containsKey(temp)) {
2767 mask=((Integer)flagandtable.get(temp)).intValue();
2769 mask&=(0xFFFFFFFF^flagid);
2770 flagandtable.put(temp,new Integer(mask));
2776 HashSet flagtagset=new HashSet();
2777 flagtagset.addAll(flagortable.keySet());
2778 flagtagset.addAll(flagandtable.keySet());
2779 flagtagset.addAll(tagsettable.keySet());
2780 flagtagset.addAll(tagcleartable.keySet());
2782 Iterator ftit=flagtagset.iterator();
2783 while(ftit.hasNext()) {
2784 TempDescriptor temp=(TempDescriptor)ftit.next();
2787 Set tagtmps=tagcleartable.get(temp);
2788 if (tagtmps!=null) {
2789 Iterator tagit=tagtmps.iterator();
2790 while(tagit.hasNext()) {
2791 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2792 if (GENERATEPRECISEGC)
2793 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2795 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2799 tagtmps=tagsettable.get(temp);
2800 if (tagtmps!=null) {
2801 Iterator tagit=tagtmps.iterator();
2802 while(tagit.hasNext()) {
2803 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2804 if (GENERATEPRECISEGC)
2805 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2807 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2812 int andmask=0xFFFFFFF;
2814 if (flagortable.containsKey(temp))
2815 ormask=((Integer)flagortable.get(temp)).intValue();
2816 if (flagandtable.containsKey(temp))
2817 andmask=((Integer)flagandtable.get(temp)).intValue();
2818 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2819 generateObjectDistribute(ffan, fm, lb, temp, output);
2823 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2824 PrintWriter output, int ormask, int andmask) {
2825 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2826 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2828 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2832 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2833 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
2836 void generateOptionalHeader(PrintWriter headers) {
2839 headers.println("#include \"task.h\"\n\n");
2840 headers.println("#ifndef _OPTIONAL_STRUCT_");
2841 headers.println("#define _OPTIONAL_STRUCT_");
2843 //STRUCT PREDICATEMEMBER
2844 headers.println("struct predicatemember{");
2845 headers.println("int type;");
2846 headers.println("int numdnfterms;");
2847 headers.println("int * flags;");
2848 headers.println("int numtags;");
2849 headers.println("int * tags;\n};\n\n");
2851 //STRUCT OPTIONALTASKDESCRIPTOR
2852 headers.println("struct optionaltaskdescriptor{");
2853 headers.println("struct taskdescriptor * task;");
2854 headers.println("int index;");
2855 headers.println("int numenterflags;");
2856 headers.println("int * enterflags;");
2857 headers.println("int numpredicatemembers;");
2858 headers.println("struct predicatemember ** predicatememberarray;");
2859 headers.println("};\n\n");
2861 //STRUCT TASKFAILURE
2862 headers.println("struct taskfailure {");
2863 headers.println("struct taskdescriptor * task;");
2864 headers.println("int index;");
2865 headers.println("int numoptionaltaskdescriptors;");
2866 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2868 //STRUCT FSANALYSISWRAPPER
2869 headers.println("struct fsanalysiswrapper{");
2870 headers.println("int flags;");
2871 headers.println("int numtags;");
2872 headers.println("int * tags;");
2873 headers.println("int numtaskfailures;");
2874 headers.println("struct taskfailure ** taskfailurearray;");
2875 headers.println("int numoptionaltaskdescriptors;");
2876 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2878 //STRUCT CLASSANALYSISWRAPPER
2879 headers.println("struct classanalysiswrapper{");
2880 headers.println("int type;");
2881 headers.println("int numotd;");
2882 headers.println("struct optionaltaskdescriptor ** otdarray;");
2883 headers.println("int numfsanalysiswrappers;");
2884 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2886 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2888 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2889 while(taskit.hasNext()) {
2890 TaskDescriptor td=(TaskDescriptor)taskit.next();
2891 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2896 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2897 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2898 int predicateindex = 0;
2899 //iterate through the classes concerned by the predicate
2900 Set c_vard = predicate.vardescriptors;
2901 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2904 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
2905 VarDescriptor vard = (VarDescriptor)vard_it.next();
2906 TypeDescriptor typed = vard.getType();
2908 //generate for flags
2909 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2910 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2912 if (fen_hashset!=null) {
2913 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
2914 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2916 DNFFlag dflag=fen.getDNF();
2917 numberterms+=dflag.size();
2919 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2921 for(int j=0; j<dflag.size(); j++) {
2923 output.println(",");
2924 Vector term=dflag.get(j);
2927 for(int k=0; k<term.size(); k++) {
2928 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2929 FlagDescriptor fd=dfa.getFlag();
2930 boolean negated=dfa.getNegated();
2931 int flagid=1<<((Integer)flags.get(fd)).intValue();
2936 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2941 output.println("};\n");
2944 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2945 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2948 for(int j=0; j<tagel.numTags(); j++) {
2950 output.println(",");
2951 TempDescriptor tmp=tagel.getTemp(j);
2952 if (!slotnumber.containsKey(tmp)) {
2953 Integer slotint=new Integer(current_slot++);
2954 slotnumber.put(tmp,slotint);
2956 int slot=slotnumber.get(tmp).intValue();
2957 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2959 numtags = tagel.numTags();
2961 output.println("};");
2963 //store the result into a predicatemember struct
2964 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2965 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2966 output.println("/* number of dnf terms */"+numberterms+",");
2967 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2968 output.println("/* number of tag */"+numtags+",");
2969 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2970 output.println("};\n");
2975 //generate an array that stores the entire predicate
2976 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2977 for( int j = 0; j<predicateindex; j++) {
2978 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2979 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2981 output.println("};\n");
2982 return predicateindex;
2986 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2987 generateOptionalHeader(headers);
2989 output.println("#include \"optionalstruct.h\"\n\n");
2990 output.println("#include \"stdlib.h\"\n");
2992 HashSet processedcd = new HashSet();
2994 Enumeration e = safeexecution.keys();
2995 while (e.hasMoreElements()) {
2998 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2999 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3001 //Generate the struct of optionals
3002 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3003 numotd = c_otd.size();
3004 if(maxotd<numotd) maxotd = numotd;
3005 if( !c_otd.isEmpty() ) {
3006 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3007 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3009 //generate the int arrays for the predicate
3010 Predicate predicate = otd.predicate;
3011 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3012 TreeSet<Integer> fsset=new TreeSet<Integer>();
3013 //iterate through possible FSes corresponding to
3014 //the state when entering
3016 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
3017 FlagState fs = (FlagState)fses.next();
3019 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3020 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3021 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3024 fsset.add(new Integer(flagid));
3025 //tag information not needed because tag
3026 //changes are not tolerated.
3029 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3030 boolean needcomma=false;
3031 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
3034 output.println(it.next());
3037 output.println("};\n");
3040 //generate optionaltaskdescriptor that actually
3041 //includes exit fses, predicate and the task
3043 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3044 output.println("&task_"+otd.td.getSafeSymbol()+",");
3045 output.println("/*index*/"+otd.getIndex()+",");
3046 output.println("/*number of enter flags*/"+fsset.size()+",");
3047 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3048 output.println("/*number of members */"+predicateindex+",");
3049 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3050 output.println("};\n");
3054 // if there are no optionals, there is no need to build the rest of the struct
3056 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3057 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3058 if( !c_otd.isEmpty() ) {
3059 boolean needcomma=false;
3060 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3061 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3063 output.println(",");
3065 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3068 output.println("};\n");
3070 //get all the possible flagstates reachable by an object
3071 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3073 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3074 fsts.addAll(hashtbtemp.keySet());
3075 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
3076 FlagState fs = (FlagState)fsit.next();
3079 //get the set of OptionalTaskDescriptors corresponding
3080 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3081 //iterate through the OptionalTaskDescriptors and
3082 //store the pointers to the optionals struct (see on
3083 //top) into an array
3085 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3086 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
3087 OptionalTaskDescriptor mm = mos.next();
3089 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3091 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3094 output.println("};\n");
3096 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3099 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3100 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3101 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3105 //process tag information
3108 boolean first = true;
3109 Enumeration tag_enum = fs.getTags();
3110 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3111 while(tag_enum.hasMoreElements()) {
3113 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3117 output.println(", ");
3118 output.println("/*tagid*/"+state.getTagId(tagd));
3120 output.println("};");
3122 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3123 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3124 TaskIndex ti=itti.next();
3128 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3130 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3131 boolean needcomma=false;
3132 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
3133 OptionalTaskDescriptor otd=otdit.next();
3137 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3139 output.println("};");
3141 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3142 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3143 output.print(ti.getIndex()+", ");
3144 output.print(otdset.size()+", ");
3145 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3146 output.println("};");
3149 tiset=sa.getTaskIndex(fs);
3150 boolean needcomma=false;
3152 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3153 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3154 TaskIndex ti=itti.next();
3155 if (ti.isRuntime()) {
3162 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3164 output.println("};\n");
3166 //Store the result in fsanalysiswrapper
3168 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3169 output.println("/*flag*/"+flagid+",");
3170 output.println("/* number of tags*/"+tagcounter+",");
3171 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3172 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3173 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3174 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3175 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3176 output.println("};\n");
3180 //Build the array of fsanalysiswrappers
3181 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3182 boolean needcomma=false;
3183 for(int i = 0; i<fscounter; i++) {
3184 if (needcomma) output.print(",");
3185 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3188 output.println("};");
3190 //Build the classanalysiswrapper referring to the previous array
3191 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3192 output.println("/*type*/"+cdtemp.getId()+",");
3193 output.println("/*numotd*/"+numotd+",");
3194 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3195 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3196 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3197 processedcd.add(cdtemp);
3200 //build an array containing every classes for which code has been build
3201 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3202 for(int i=0; i<state.numClasses(); i++) {
3203 ClassDescriptor cn=cdarray[i];
3206 if (processedcd.contains(cn))
3207 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3209 output.print("NULL");
3211 output.println("};");
3213 output.println("#define MAXOTD "+maxotd);
3214 headers.println("#endif");
3217 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3218 Relation r=new Relation();
3219 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
3220 OptionalTaskDescriptor otd=otdit.next();
3221 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3225 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3226 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
3227 Set s=r.get(it.next());
3228 for(Iterator it2=s.iterator(); it2.hasNext();) {
3229 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3237 protected void outputTransCode(PrintWriter output) {