2 import IR.Tree.FlagExpressionNode;
3 import IR.Tree.DNFFlag;
4 import IR.Tree.DNFFlagAtom;
5 import IR.Tree.TagExpressionList;
6 import IR.Tree.OffsetNode;
12 import Analysis.TaskStateAnalysis.FlagState;
13 import Analysis.TaskStateAnalysis.FlagComparator;
14 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
15 import Analysis.TaskStateAnalysis.Predicate;
16 import Analysis.TaskStateAnalysis.SafetyAnalysis;
17 import Analysis.TaskStateAnalysis.TaskIndex;
18 import Analysis.Locality.LocalityAnalysis;
19 import Analysis.Locality.LocalityBinding;
20 import Analysis.Prefetch.*;
21 import Analysis.Loops.WriteBarrier;
23 public class BuildCode {
26 Hashtable paramstable;
31 String localsprefix="___locals___";
32 String fcrevert="___fcrevert___";
33 String paramsprefix="___params___";
34 String oidstr="___nextobject___";
35 String nextobjstr="___nextobject___";
36 String localcopystr="___localcopy___";
37 public static boolean GENERATEPRECISEGC=false;
38 public static String PREFIX="";
39 public static String arraytype="ArrayObject";
40 public static int flagcount = 0;
43 protected int maxtaskparams=0;
44 private int maxcount=0;
45 ClassDescriptor[] cdarray;
46 TypeDescriptor[] arraytable;
47 LocalityAnalysis locality;
48 Hashtable<LocalityBinding, TempDescriptor> reverttable;
49 Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>> backuptable;
52 HashSet<FlatSESEEnterNode> setSESEtoGen;
53 boolean nonSESEpass=true;
57 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
58 this(st, temptovar, typeutil, null, sa, pa);
61 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
62 this(st, temptovar, typeutil, locality, null, pa);
65 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa) {
70 oidstr="___objlocation___";
71 this.temptovar=temptovar;
72 paramstable=new Hashtable();
73 tempstable=new Hashtable();
74 fieldorder=new Hashtable();
75 flagorder=new Hashtable();
76 this.typeutil=typeutil;
77 virtualcalls=new Virtual(state,locality);
79 this.locality=locality;
80 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
81 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
82 this.wb=new WriteBarrier(locality, st);
85 setSESEtoGen = new HashSet<FlatSESEEnterNode>();
88 /** The buildCode method outputs C code for all the methods. The Flat
89 * versions of the methods must already be generated and stored in
90 * the State object. */
92 public void buildCode() {
93 /* Create output streams to write to */
94 PrintWriter outclassdefs=null;
95 PrintWriter outstructs=null;
96 PrintWriter outrepairstructs=null;
97 PrintWriter outmethodheader=null;
98 PrintWriter outmethod=null;
99 PrintWriter outvirtual=null;
100 PrintWriter outtask=null;
101 PrintWriter outtaskdefs=null;
102 PrintWriter outoptionalarrays=null;
103 PrintWriter optionalheaders=null;
106 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
107 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
108 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
109 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
110 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
112 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
113 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
114 if (state.OPTIONAL) {
115 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
116 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
119 if (state.structfile!=null) {
120 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
122 } catch (Exception e) {
127 /* Build the virtual dispatch tables */
128 buildVirtualTables(outvirtual);
130 /* Output includes */
131 outmethodheader.println("#ifndef METHODHEADERS_H");
132 outmethodheader.println("#define METHODHEADERS_H");
133 outmethodheader.println("#include \"structdefs.h\"");
135 outmethodheader.println("#include \"dstm.h\"");
137 outmethodheader.println("#include \"tm.h\"");
138 if (state.ABORTREADERS) {
139 outmethodheader.println("#include \"abortreaders.h\"");
140 outmethodheader.println("#include <setjmp.h>");
143 /* Output Structures */
144 outputStructs(outstructs);
146 // Output the C class declarations
147 // These could mutually reference each other
148 outputClassDeclarations(outclassdefs);
150 // Output function prototypes and structures for parameters
151 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
152 while(it.hasNext()) {
153 ClassDescriptor cn=(ClassDescriptor)it.next();
154 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
156 outclassdefs.close();
159 /* Map flags to integers */
160 /* The runtime keeps track of flags using these integers */
161 it=state.getClassSymbolTable().getDescriptorsIterator();
162 while(it.hasNext()) {
163 ClassDescriptor cn=(ClassDescriptor)it.next();
167 generateTaskStructs(outstructs, outmethodheader);
169 /* Outputs generic task structures if this is a task
171 outputTaskTypes(outtask);
174 /* Build the actual methods */
175 outputMethods(outmethod);
179 while( !setSESEtoGen.isEmpty() ) {
180 FlatSESEEnterNode fsen = setSESEtoGen.iterator().next();
181 setSESEtoGen.remove( fsen );
182 generateMethodSESE( fsen, fsen.getEnclosingFlatMeth(), null, outmethod );
185 assert setSESEtoGen.isEmpty();
189 /* Output code for tasks */
190 outputTaskCode(outtaskdefs, outmethod);
192 /* Record maximum number of task parameters */
193 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
194 } else if (state.main!=null) {
195 /* Generate main method */
196 outputMainMethod(outmethod);
199 /* Generate information for task with optional parameters */
200 if (state.TASK&&state.OPTIONAL) {
201 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
202 outoptionalarrays.close();
205 /* Output structure definitions for repair tool */
206 if (state.structfile!=null) {
207 buildRepairStructs(outrepairstructs);
208 outrepairstructs.close();
212 outmethodheader.println("#endif");
213 outmethodheader.close();
215 outstructs.println("#endif");
220 /* This code just generates the main C method for java programs.
221 * The main C method packs up the arguments into a string array
222 * and passes it to the java main method. */
224 private void outputMainMethod(PrintWriter outmethod) {
225 outmethod.println("int main(int argc, const char *argv[]) {");
226 outmethod.println(" int i;");
228 outmethod.println("#ifdef TRANSSTATS \n");
229 outmethod.println("handle();\n");
230 outmethod.println("#endif\n");
232 if (state.THREAD||state.DSM||state.SINGLETM) {
233 outmethod.println("initializethreads();");
236 outmethod.println("if (dstmStartup(argv[1])) {");
237 if (GENERATEPRECISEGC) {
238 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
240 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
243 if (GENERATEPRECISEGC) {
244 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
246 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
250 outmethod.println(" for(i=2;i<argc;i++) {");
252 outmethod.println(" for(i=1;i<argc;i++) {");
253 outmethod.println(" int length=strlen(argv[i]);");
254 if (GENERATEPRECISEGC) {
255 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
257 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
260 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
262 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
263 outmethod.println(" }");
266 MethodDescriptor md=typeutil.getMain();
267 ClassDescriptor cd=typeutil.getMainClass();
269 outmethod.println(" {");
270 if (GENERATEPRECISEGC) {
271 if (state.DSM||state.SINGLETM) {
272 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
274 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
275 outmethod.println("1, NULL,"+"stringarray};");
276 if (state.DSM||state.SINGLETM)
277 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
279 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
281 if (state.DSM||state.SINGLETM)
282 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
284 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
286 outmethod.println(" }");
289 outmethod.println("}");
292 if (state.THREAD||state.DSM||state.SINGLETM) {
293 outmethod.println("pthread_mutex_lock(&gclistlock);");
294 outmethod.println("threadcount--;");
295 outmethod.println("pthread_cond_signal(&gccond);");
296 outmethod.println("pthread_mutex_unlock(&gclistlock);");
299 if (state.DSM||state.SINGLETM) {
300 outmethod.println("#ifdef TRANSSTATS \n");
301 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
302 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
303 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
304 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
306 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
307 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
308 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
309 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
310 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
311 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
313 outmethod.println("#endif\n");
316 if (state.THREAD||state.SINGLETM)
317 outmethod.println("pthread_exit(NULL);");
319 outmethod.println("}");
323 /* This method outputs code for each task. */
325 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
326 /* Compile task based program */
327 outtaskdefs.println("#include \"task.h\"");
328 outtaskdefs.println("#include \"methodheaders.h\"");
329 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
330 while(taskit.hasNext()) {
331 TaskDescriptor td=(TaskDescriptor)taskit.next();
332 FlatMethod fm=state.getMethodFlat(td);
333 generateFlatMethod(fm, null, outmethod);
334 generateTaskDescriptor(outtaskdefs, fm, td);
337 //Output task descriptors
338 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
339 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
341 while(taskit.hasNext()) {
342 TaskDescriptor td=(TaskDescriptor)taskit.next();
346 outtaskdefs.println(",");
347 outtaskdefs.print("&task_"+td.getSafeSymbol());
349 outtaskdefs.println("};");
351 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
354 /* This method outputs most of the methods.c file. This includes
355 * some standard includes and then an array with the sizes of
356 * objets and array that stores supertype and then the code for
357 * the Java methods.. */
359 protected void outputMethods(PrintWriter outmethod) {
360 outmethod.println("#include \"methodheaders.h\"");
361 outmethod.println("#include \"virtualtable.h\"");
362 outmethod.println("#include \"runtime.h\"");
364 outmethod.println("#include \"addPrefetchEnhance.h\"");
365 outmethod.println("#include \"localobjects.h\"");
367 if (state.FASTCHECK) {
368 outmethod.println("#include \"localobjects.h\"");
370 if(state.MULTICORE) {
371 outmethod.println("#include \"task.h\"");
373 if (state.THREAD||state.DSM||state.SINGLETM)
374 outmethod.println("#include <thread.h>");
375 if (state.main!=null) {
376 outmethod.println("#include <string.h>");
378 if (state.CONSCHECK) {
379 outmethod.println("#include \"checkers.h\"");
382 outmethod.println("#include \"mlp_runtime.h\"");
385 //Store the sizes of classes & array elements
386 generateSizeArray(outmethod);
388 //Store table of supertypes
389 generateSuperTypeTable(outmethod);
391 //Store the layout of classes
392 generateLayoutStructs(outmethod);
394 /* Generate code for methods */
395 if (state.DSM||state.SINGLETM) {
396 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
397 LocalityBinding lb=lbit.next();
398 MethodDescriptor md=lb.getMethod();
399 FlatMethod fm=state.getMethodFlat(md);
401 if (!md.getModifiers().isNative()) {
402 generateFlatMethod(fm, lb, outmethod);
406 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
407 while(classit.hasNext()) {
408 ClassDescriptor cn=(ClassDescriptor)classit.next();
409 Iterator methodit=cn.getMethods();
410 while(methodit.hasNext()) {
411 /* Classify parameters */
412 MethodDescriptor md=(MethodDescriptor)methodit.next();
413 FlatMethod fm=state.getMethodFlat(md);
414 if (!md.getModifiers().isNative()) {
415 generateFlatMethod(fm, null, outmethod);
422 protected void outputStructs(PrintWriter outstructs) {
423 outstructs.println("#ifndef STRUCTDEFS_H");
424 outstructs.println("#define STRUCTDEFS_H");
425 outstructs.println("#include \"classdefs.h\"");
427 /* Output #defines that the runtime uses to determine type
428 * numbers for various objects it needs */
429 outstructs.println("#define MAXCOUNT "+maxcount);
430 if (state.DSM||state.SINGLETM) {
431 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
433 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
434 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
437 outstructs.println("#define STRINGARRAYTYPE "+
438 (state.getArrayNumber(
439 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
441 outstructs.println("#define OBJECTARRAYTYPE "+
442 (state.getArrayNumber(
443 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
446 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
447 outstructs.println("#define CHARARRAYTYPE "+
448 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
450 outstructs.println("#define BYTEARRAYTYPE "+
451 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
453 outstructs.println("#define BYTEARRAYARRAYTYPE "+
454 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
456 outstructs.println("#define NUMCLASSES "+state.numClasses());
458 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
459 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
460 outstructs.println("#define TAGARRAYTYPE "+
461 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
465 protected void outputClassDeclarations(PrintWriter outclassdefs) {
466 if (state.THREAD||state.DSM||state.SINGLETM)
467 outclassdefs.println("#include <pthread.h>");
469 outclassdefs.println("#include \"optionalstruct.h\"");
470 outclassdefs.println("struct "+arraytype+";");
471 /* Start by declaring all structs */
472 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
473 while(it.hasNext()) {
474 ClassDescriptor cn=(ClassDescriptor)it.next();
475 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
477 outclassdefs.println("");
478 //Print out definition for array type
479 outclassdefs.println("struct "+arraytype+" {");
480 outclassdefs.println(" int type;");
482 outclassdefs.println(" pthread_t tid;");
483 outclassdefs.println(" void * lockentry;");
484 outclassdefs.println(" int lockcount;");
487 outclassdefs.println(" int flag;");
488 if(!state.MULTICORE) {
489 outclassdefs.println(" void * flagptr;");
491 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
492 outclassdefs.println(" int version;");
493 outclassdefs.println(" struct ___Object___ * original;");
494 //outclassdefs.println(" int numlocks;"); // array for locks
495 outclassdefs.println(" int * lock;");
498 outclassdefs.println(" int numfses;");
499 outclassdefs.println(" int * fses;");
502 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
504 outclassdefs.println(" int ___length___;");
505 outclassdefs.println("};\n");
506 outclassdefs.println("extern int classsize[];");
507 outclassdefs.println("extern int hasflags[];");
508 outclassdefs.println("extern unsigned int * pointerarray[];");
509 outclassdefs.println("extern int supertypes[];");
512 /** Prints out definitions for generic task structures */
514 private void outputTaskTypes(PrintWriter outtask) {
515 outtask.println("#ifndef _TASK_H");
516 outtask.println("#define _TASK_H");
517 outtask.println("struct parameterdescriptor {");
518 outtask.println("int type;");
519 outtask.println("int numberterms;");
520 outtask.println("int *intarray;");
521 outtask.println("void * queue;");
522 outtask.println("int numbertags;");
523 outtask.println("int *tagarray;");
524 outtask.println("};");
526 outtask.println("struct taskdescriptor {");
527 outtask.println("void * taskptr;");
528 outtask.println("int numParameters;");
529 outtask.println(" int numTotal;");
530 outtask.println("struct parameterdescriptor **descriptorarray;");
531 outtask.println("char * name;");
532 outtask.println("};");
533 outtask.println("extern struct taskdescriptor * taskarray[];");
534 outtask.println("extern numtasks;");
535 outtask.println("#endif");
539 private void buildRepairStructs(PrintWriter outrepairstructs) {
540 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
541 while(classit.hasNext()) {
542 ClassDescriptor cn=(ClassDescriptor)classit.next();
543 outrepairstructs.println("structure "+cn.getSymbol()+" {");
544 outrepairstructs.println(" int __type__;");
546 outrepairstructs.println(" int __flag__;");
547 if(!state.MULTICORE) {
548 outrepairstructs.println(" int __flagptr__;");
551 printRepairStruct(cn, outrepairstructs);
552 outrepairstructs.println("}\n");
555 for(int i=0; i<state.numArrays(); i++) {
556 TypeDescriptor tdarray=arraytable[i];
557 TypeDescriptor tdelement=tdarray.dereference();
558 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
559 outrepairstructs.println(" int __type__;");
560 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
561 outrepairstructs.println(" int length;");
563 // Need to add support to repair tool for this
564 if (tdelement.isClass()||tdelement.isArray())
565 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
567 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
569 outrepairstructs.println("}\n");
573 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
574 ClassDescriptor sp=cn.getSuperDesc();
576 printRepairStruct(sp, output);
578 Vector fields=(Vector)fieldorder.get(cn);
580 for(int i=0; i<fields.size(); i++) {
581 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
582 if (fd.getType().isArray()) {
583 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
584 } else if (fd.getType().isClass())
585 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
586 else if (fd.getType().isFloat())
587 output.println(" int "+fd.getSymbol()+"; /* really float */");
589 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
593 /** This method outputs TaskDescriptor information */
594 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
595 for (int i=0; i<task.numParameters(); i++) {
596 VarDescriptor param_var=task.getParameter(i);
597 TypeDescriptor param_type=task.getParamType(i);
598 FlagExpressionNode param_flag=task.getFlag(param_var);
599 TagExpressionList param_tag=task.getTag(param_var);
602 if (param_flag==null) {
603 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
604 output.println("0x0, 0x0 };");
607 DNFFlag dflag=param_flag.getDNF();
608 dnfterms=dflag.size();
610 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
611 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
612 for(int j=0; j<dflag.size(); j++) {
615 Vector term=dflag.get(j);
618 for(int k=0; k<term.size(); k++) {
619 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
620 FlagDescriptor fd=dfa.getFlag();
621 boolean negated=dfa.getNegated();
622 int flagid=1<<((Integer)flags.get(fd)).intValue();
627 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
629 output.println("};");
632 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
633 //BUG...added next line to fix, test with any task program
635 for(int j=0; j<param_tag.numTags(); j++) {
638 /* for each tag we need */
639 /* which slot it is */
640 /* what type it is */
641 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
642 TempDescriptor tmp=param_tag.getTemp(j);
643 int slot=fm.getTagInt(tmp);
644 output.println(slot+", "+state.getTagId(tvd.getTag()));
646 output.println("};");
648 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
649 output.println("/* type */"+param_type.getClassDesc().getId()+",");
650 output.println("/* number of DNF terms */"+dnfterms+",");
651 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
652 output.println("0,");
653 //BUG, added next line to fix and else statement...test
654 //with any task program
656 output.println("/* number of tags */"+param_tag.numTags()+",");
658 output.println("/* number of tags */ 0,");
659 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
660 output.println("};");
664 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
665 for (int i=0; i<task.numParameters(); i++) {
668 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
670 output.println("};");
672 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
673 output.println("&"+task.getSafeSymbol()+",");
674 output.println("/* number of parameters */" +task.numParameters() + ",");
675 int numtotal=task.numParameters()+fm.numTags();
676 output.println("/* number total parameters */" +numtotal + ",");
677 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
678 output.println("\""+task.getSymbol()+"\"");
679 output.println("};");
683 /** The buildVirtualTables method outputs the virtual dispatch
684 * tables for methods. */
686 protected void buildVirtualTables(PrintWriter outvirtual) {
687 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
688 while(classit.hasNext()) {
689 ClassDescriptor cd=(ClassDescriptor)classit.next();
690 if (virtualcalls.getMethodCount(cd)>maxcount)
691 maxcount=virtualcalls.getMethodCount(cd);
693 MethodDescriptor[][] virtualtable=null;
694 LocalityBinding[][] lbvirtualtable=null;
695 if (state.DSM||state.SINGLETM)
696 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
698 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
700 /* Fill in virtual table */
701 classit=state.getClassSymbolTable().getDescriptorsIterator();
702 while(classit.hasNext()) {
703 ClassDescriptor cd=(ClassDescriptor)classit.next();
704 if (state.DSM||state.SINGLETM)
705 fillinRow(cd, lbvirtualtable, cd.getId());
707 fillinRow(cd, virtualtable, cd.getId());
710 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
711 Iterator arrayit=state.getArrayIterator();
712 while(arrayit.hasNext()) {
713 TypeDescriptor td=(TypeDescriptor)arrayit.next();
714 int id=state.getArrayNumber(td);
715 if (state.DSM||state.SINGLETM)
716 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
718 fillinRow(objectcd, virtualtable, id+state.numClasses());
721 outvirtual.print("void * virtualtable[]={");
722 boolean needcomma=false;
723 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
724 for(int j=0; j<maxcount; j++) {
726 outvirtual.print(", ");
727 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
728 LocalityBinding lb=lbvirtualtable[i][j];
729 MethodDescriptor md=lb.getMethod();
730 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
731 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
732 MethodDescriptor md=virtualtable[i][j];
733 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
735 outvirtual.print("0");
739 outvirtual.println("");
741 outvirtual.println("};");
745 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
746 /* Get inherited methods */
747 if (cd.getSuperDesc()!=null)
748 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
749 /* Override them with our methods */
750 for(Iterator it=cd.getMethods(); it.hasNext();) {
751 MethodDescriptor md=(MethodDescriptor)it.next();
752 if (md.isStatic()||md.getReturnType()==null)
754 int methodnum=virtualcalls.getMethodNumber(md);
755 virtualtable[rownum][methodnum]=md;
759 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
760 /* Get inherited methods */
761 if (cd.getSuperDesc()!=null)
762 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
763 /* Override them with our methods */
764 if (locality.getClassBindings(cd)!=null)
765 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
766 LocalityBinding lb=lbit.next();
767 MethodDescriptor md=lb.getMethod();
768 //Is the method static or a constructor
769 if (md.isStatic()||md.getReturnType()==null)
771 int methodnum=virtualcalls.getLocalityNumber(lb);
772 virtualtable[rownum][methodnum]=lb;
776 /** Generate array that contains the sizes of class objects. The
777 * object allocation functions in the runtime use this
780 private void generateSizeArray(PrintWriter outclassdefs) {
781 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
782 outclassdefs.print("#ifdef TRANSSTATS \n");
783 outclassdefs.print("extern int numTransAbort;\n");
784 outclassdefs.print("extern int numTransCommit;\n");
785 outclassdefs.print("extern int nSoftAbort;\n");
787 outclassdefs.print("extern int nchashSearch;\n");
788 outclassdefs.print("extern int nmhashSearch;\n");
789 outclassdefs.print("extern int nprehashSearch;\n");
790 outclassdefs.print("extern int nRemoteSend;\n");
791 outclassdefs.print("extern int bytesSent;\n");
792 outclassdefs.print("extern int bytesRecv;\n");
793 outclassdefs.print("extern void handle();\n");
795 outclassdefs.print("#endif\n");
796 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
798 outclassdefs.print("int classsize[]={");
799 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
800 cdarray=new ClassDescriptor[state.numClasses()];
801 while(it.hasNext()) {
802 ClassDescriptor cd=(ClassDescriptor)it.next();
803 cdarray[cd.getId()]=cd;
805 boolean needcomma=false;
806 for(int i=0; i<state.numClasses(); i++) {
808 outclassdefs.print(", ");
809 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
813 arraytable=new TypeDescriptor[state.numArrays()];
815 Iterator arrayit=state.getArrayIterator();
816 while(arrayit.hasNext()) {
817 TypeDescriptor td=(TypeDescriptor)arrayit.next();
818 int id=state.getArrayNumber(td);
822 for(int i=0; i<state.numArrays(); i++) {
824 outclassdefs.print(", ");
825 TypeDescriptor tdelement=arraytable[i].dereference();
826 if (tdelement.isArray()||tdelement.isClass())
827 outclassdefs.print("sizeof(void *)");
829 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
833 outclassdefs.println("};");
835 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
837 outclassdefs.print("int typearray[]={");
838 for(int i=0;i<state.numClasses();i++) {
839 ClassDescriptor cd=cdarray[i];
840 ClassDescriptor supercd=cd.getSuperDesc();
842 outclassdefs.print(", ");
844 outclassdefs.print("-1");
846 outclassdefs.print(supercd.getId());
850 for(int i=0;i<state.numArrays();i++) {
851 TypeDescriptor arraytd=arraytable[i];
852 ClassDescriptor arraycd=arraytd.getClassDesc();
855 outclassdefs.print(", ");
856 outclassdefs.print(objectclass.getId());
860 ClassDescriptor cd=arraycd.getSuperDesc();
863 TypeDescriptor supertd=new TypeDescriptor(cd);
864 supertd.setArrayCount(arraytd.getArrayCount());
865 type=state.getArrayNumber(supertd);
867 type+=state.numClasses();
870 cd=cd.getSuperDesc();
873 outclassdefs.print(", ");
874 outclassdefs.print(type);
878 outclassdefs.println("};");
883 outclassdefs.print("int typearray2[]={");
884 for(int i=0;i<state.numArrays();i++) {
885 TypeDescriptor arraytd=arraytable[i];
886 ClassDescriptor arraycd=arraytd.getClassDesc();
889 outclassdefs.print(", ");
890 outclassdefs.print("-1");
894 ClassDescriptor cd=arraycd.getSuperDesc();
895 int level=arraytd.getArrayCount()-1;
897 for(;level>0;level--) {
898 TypeDescriptor supertd=new TypeDescriptor(objectclass);
899 supertd.setArrayCount(level);
900 type=state.getArrayNumber(supertd);
902 type+=state.numClasses();
907 outclassdefs.print(", ");
908 outclassdefs.print(type);
912 outclassdefs.println("};");
915 /** Constructs params and temp objects for each method or task.
916 * These objects tell the compiler which temps need to be
919 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
920 MethodDescriptor md=fm.getMethod();
921 TaskDescriptor task=fm.getTask();
922 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
923 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
925 paramstable.put(lb, objectparams);
926 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
929 paramstable.put(md, objectparams);
931 paramstable.put(task, objectparams);
933 for(int i=0; i<fm.numParameters(); i++) {
934 TempDescriptor temp=fm.getParameter(i);
935 TypeDescriptor type=temp.getType();
936 if (type.isPtr()&&GENERATEPRECISEGC)
937 objectparams.addPtr(temp);
939 objectparams.addPrim(temp);
940 if(lb!=null&&saveset.contains(temp)) {
941 backuptable.get(lb).put(temp, temp.createNew());
945 for(int i=0; i<fm.numTags(); i++) {
946 TempDescriptor temp=fm.getTag(i);
947 if (GENERATEPRECISEGC)
948 objectparams.addPtr(temp);
950 objectparams.addPrim(temp);
953 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
955 tempstable.put(lb, objecttemps);
957 tempstable.put(md, objecttemps);
959 tempstable.put(task, objecttemps);
961 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
962 FlatNode fn=(FlatNode)nodeit.next();
963 TempDescriptor[] writes=fn.writesTemps();
964 for(int i=0; i<writes.length; i++) {
965 TempDescriptor temp=writes[i];
966 TypeDescriptor type=temp.getType();
967 if (type.isPtr()&&GENERATEPRECISEGC)
968 objecttemps.addPtr(temp);
970 objecttemps.addPrim(temp);
971 if(lb!=null&&saveset.contains(temp)&&
972 !backuptable.get(lb).containsKey(temp))
973 backuptable.get(lb).put(temp, temp.createNew());
977 /* Create backup temps */
979 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
980 TempDescriptor tmp=tmpit.next();
981 TypeDescriptor type=tmp.getType();
982 if (type.isPtr()&&GENERATEPRECISEGC)
983 objecttemps.addPtr(tmp);
985 objecttemps.addPrim(tmp);
987 /* Create temp to hold revert table */
988 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
989 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
990 if (GENERATEPRECISEGC)
991 objecttemps.addPtr(reverttmp);
993 objecttemps.addPrim(reverttmp);
994 reverttable.put(lb, reverttmp);
999 /** This method outputs the following information about classes
1001 * (1) For classes, what are the locations of pointers.
1002 * (2) For arrays, does the array contain pointers or primitives.
1003 * (3) For classes, does the class contain flags.
1006 private void generateLayoutStructs(PrintWriter output) {
1007 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1008 while(it.hasNext()) {
1009 ClassDescriptor cn=(ClassDescriptor)it.next();
1010 output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
1011 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1013 while(allit.hasNext()) {
1014 FieldDescriptor fd=(FieldDescriptor)allit.next();
1015 TypeDescriptor type=fd.getType();
1016 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1021 output.print(count);
1022 allit=cn.getFieldTable().getAllDescriptorsIterator();
1023 while(allit.hasNext()) {
1024 FieldDescriptor fd=(FieldDescriptor)allit.next();
1025 TypeDescriptor type=fd.getType();
1026 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1029 output.println(",");
1030 output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
1033 output.println("};");
1035 output.println("unsigned int * pointerarray[]={");
1036 boolean needcomma=false;
1037 for(int i=0; i<state.numClasses(); i++) {
1038 ClassDescriptor cn=cdarray[i];
1040 output.println(",");
1042 output.print(cn.getSafeSymbol()+"_pointers");
1045 for(int i=0; i<state.numArrays(); i++) {
1047 output.println(", ");
1048 TypeDescriptor tdelement=arraytable[i].dereference();
1049 if (tdelement.isArray()||tdelement.isClass())
1050 output.print("((unsigned int *)1)");
1056 output.println("};");
1058 output.println("int hasflags[]={");
1059 for(int i=0; i<state.numClasses(); i++) {
1060 ClassDescriptor cn=cdarray[i];
1062 output.println(", ");
1069 output.println("};");
1072 /** Print out table to give us supertypes */
1073 private void generateSuperTypeTable(PrintWriter output) {
1074 output.println("int supertypes[]={");
1075 boolean needcomma=false;
1076 for(int i=0; i<state.numClasses(); i++) {
1077 ClassDescriptor cn=cdarray[i];
1079 output.println(",");
1081 if (cn.getSuperDesc()!=null) {
1082 ClassDescriptor cdsuper=cn.getSuperDesc();
1083 output.print(cdsuper.getId());
1087 output.println("};");
1090 /** Force consistent field ordering between inherited classes. */
1092 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
1094 ClassDescriptor sp=cn.getSuperDesc();
1096 printClassStruct(sp, classdefout);
1098 if (!fieldorder.containsKey(cn)) {
1099 Vector fields=new Vector();
1100 fieldorder.put(cn,fields);
1101 if (sp==null&&!state.TASK) {
1102 fields.add(cn.getFieldTable().get("cachedCode"));
1104 Iterator fieldit=cn.getFields();
1105 while(fieldit.hasNext()) {
1106 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
1107 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
1108 (!fd.getSymbol().equals("cachedCode")||state.TASK))
1112 Vector fields=(Vector)fieldorder.get(cn);
1114 for(int i=0; i<fields.size(); i++) {
1115 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1116 if (fd.getType().isClass()||fd.getType().isArray())
1117 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1119 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1124 /* Map flags to integers consistently between inherited
1127 protected void mapFlags(ClassDescriptor cn) {
1128 ClassDescriptor sp=cn.getSuperDesc();
1132 if (!flagorder.containsKey(cn)) {
1133 Hashtable flags=new Hashtable();
1134 flagorder.put(cn,flags);
1136 Hashtable superflags=(Hashtable)flagorder.get(sp);
1137 Iterator superflagit=superflags.keySet().iterator();
1138 while(superflagit.hasNext()) {
1139 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1140 Integer number=(Integer)superflags.get(fd);
1141 flags.put(fd, number);
1142 if ((number.intValue()+1)>max)
1143 max=number.intValue()+1;
1147 Iterator flagit=cn.getFlags();
1148 while(flagit.hasNext()) {
1149 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1150 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1151 flags.put(fd, new Integer(max++));
1157 /** This function outputs (1) structures that parameters are
1158 * passed in (when PRECISE GC is enabled) and (2) function
1159 * prototypes for the methods */
1161 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1162 /* Output class structure */
1163 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1164 classdefout.println(" int type;");
1166 classdefout.println(" pthread_t tid;");
1167 classdefout.println(" void * lockentry;");
1168 classdefout.println(" int lockcount;");
1172 classdefout.println(" int flag;");
1173 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1174 classdefout.println(" void * flagptr;");
1175 } else if (state.MULTICORE) {
1176 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1177 classdefout.println(" int version;");
1178 classdefout.println(" struct ___Object___ * original;");
1179 //classdefout.println(" int numlocks;"); // array for locks
1180 classdefout.println(" int * lock;");
1182 if (state.OPTIONAL) {
1183 classdefout.println(" int numfses;");
1184 classdefout.println(" int * fses;");
1187 printClassStruct(cn, classdefout);
1188 classdefout.println("};\n");
1190 if (state.DSM||state.SINGLETM) {
1191 /* Cycle through LocalityBindings */
1192 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1193 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1195 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1196 LocalityBinding lb=lbit.next();
1197 MethodDescriptor md=lb.getMethod();
1198 if (md.getModifiers().isNative()) {
1199 //make sure we only print a native method once
1200 if (nativemethods.contains(md)) {
1201 FlatMethod fm=state.getMethodFlat(md);
1202 generateTempStructs(fm, lb);
1205 nativemethods.add(md);
1207 generateMethod(cn, md, lb, headersout, output);
1210 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1211 MethodDescriptor md=(MethodDescriptor)methodit.next();
1212 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1213 //Need to build param structure for library code
1214 FlatMethod fm=state.getMethodFlat(md);
1215 generateTempStructs(fm, null);
1216 generateMethodParam(cn, md, null, output);
1221 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1222 MethodDescriptor md=(MethodDescriptor)methodit.next();
1223 generateMethod(cn, md, null, headersout, output);
1227 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1228 /* Output parameter structure */
1229 if (GENERATEPRECISEGC) {
1230 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1231 if ((state.DSM||state.SINGLETM)&&lb!=null)
1232 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1234 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1235 output.println(" int size;");
1236 output.println(" void * next;");
1237 for(int i=0; i<objectparams.numPointers(); i++) {
1238 TempDescriptor temp=objectparams.getPointer(i);
1239 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1241 output.println("};\n");
1246 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1247 FlatMethod fm=state.getMethodFlat(md);
1248 generateTempStructs(fm, lb);
1250 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1251 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1253 generateMethodParam(cn, md, lb, output);
1255 /* Output temp structure */
1256 if (GENERATEPRECISEGC) {
1257 if (state.DSM||state.SINGLETM)
1258 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1260 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1261 output.println(" int size;");
1262 output.println(" void * next;");
1263 for(int i=0; i<objecttemps.numPointers(); i++) {
1264 TempDescriptor temp=objecttemps.getPointer(i);
1265 if (temp.getType().isNull())
1266 output.println(" void * "+temp.getSafeSymbol()+";");
1268 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1270 output.println("};\n");
1273 /********* Output method declaration ***********/
1275 /* First the return type */
1276 if (md.getReturnType()!=null) {
1277 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1278 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1280 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1282 //catch the constructor case
1283 headersout.print("void ");
1285 /* Next the method name */
1286 if (state.DSM||state.SINGLETM) {
1287 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1289 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1291 boolean printcomma=false;
1292 if (GENERATEPRECISEGC) {
1293 if (state.DSM||state.SINGLETM) {
1294 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1296 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1300 /* Output parameter list*/
1301 for(int i=0; i<objectparams.numPrimitives(); i++) {
1302 TempDescriptor temp=objectparams.getPrimitive(i);
1304 headersout.print(", ");
1306 if (temp.getType().isClass()||temp.getType().isArray())
1307 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1309 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1311 headersout.println(");\n");
1315 /** This function outputs (1) structures that parameters are
1316 * passed in (when PRECISE GC is enabled) and (2) function
1317 * prototypes for the tasks */
1319 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1320 /* Cycle through tasks */
1321 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1323 while(taskit.hasNext()) {
1324 /* Classify parameters */
1325 TaskDescriptor task=(TaskDescriptor)taskit.next();
1326 FlatMethod fm=state.getMethodFlat(task);
1327 generateTempStructs(fm, null);
1329 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1330 TempObject objecttemps=(TempObject) tempstable.get(task);
1332 /* Output parameter structure */
1333 if (GENERATEPRECISEGC) {
1334 output.println("struct "+task.getSafeSymbol()+"_params {");
1336 output.println(" int size;");
1337 output.println(" void * next;");
1338 for(int i=0; i<objectparams.numPointers(); i++) {
1339 TempDescriptor temp=objectparams.getPointer(i);
1340 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1343 output.println("};\n");
1344 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1345 maxtaskparams=objectparams.numPointers()+fm.numTags();
1349 /* Output temp structure */
1350 if (GENERATEPRECISEGC) {
1351 output.println("struct "+task.getSafeSymbol()+"_locals {");
1352 output.println(" int size;");
1353 output.println(" void * next;");
1354 for(int i=0; i<objecttemps.numPointers(); i++) {
1355 TempDescriptor temp=objecttemps.getPointer(i);
1356 if (temp.getType().isNull())
1357 output.println(" void * "+temp.getSafeSymbol()+";");
1358 else if(temp.getType().isTag())
1359 output.println(" struct "+
1360 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1362 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1364 output.println("};\n");
1367 /* Output task declaration */
1368 headersout.print("void " + task.getSafeSymbol()+"(");
1370 boolean printcomma=false;
1371 if (GENERATEPRECISEGC) {
1372 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1374 headersout.print("void * parameterarray[]");
1375 headersout.println(");\n");
1379 /***** Generate code for FlatMethod fm. *****/
1381 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1382 if (State.PRINTFLAT)
1383 System.out.println(fm.printMethod());
1384 MethodDescriptor md=fm.getMethod();
1386 TaskDescriptor task=fm.getTask();
1388 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1390 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1391 generateHeader(fm, lb, md!=null ? md : task,output);
1392 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1394 if (GENERATEPRECISEGC) {
1395 if (md!=null&&(state.DSM||state.SINGLETM))
1396 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1397 else if (md!=null&&!(state.DSM||state.SINGLETM))
1398 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1400 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1402 output.print(objecttemp.numPointers()+",");
1403 output.print(paramsprefix);
1404 for(int j=0; j<objecttemp.numPointers(); j++)
1405 output.print(", NULL");
1406 output.println("};");
1409 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1410 TempDescriptor td=objecttemp.getPrimitive(i);
1411 TypeDescriptor type=td.getType();
1413 output.println(" void * "+td.getSafeSymbol()+";");
1414 else if (type.isClass()||type.isArray())
1415 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1417 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1420 /* Check to see if we need to do a GC if this is a
1421 * multi-threaded program...*/
1423 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1424 if (state.DSM&&lb.isAtomic())
1425 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1427 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1430 generateCode( fm.getNext(0), fm, lb, null, output );
1432 output.println("}\n\n");
1436 protected void generateMethodSESE( FlatSESEEnterNode fsen,
1439 PrintWriter output ) {
1441 //output.println( "void _SESE"+fsen.getPrettyIdentifier()+
1443 //generateCode( fsen.getNext(0), fm, lb, fsen.getFlatExit(), output );
1444 //output.println( "}\n\n" );
1447 output.println("struct sese"+faen.getPrettyIdentifier()+"in {");
1448 Iterator<TempDescriptor> itr = faen.getInVarSet().iterator();
1449 while( itr.hasNext() ) {
1450 TempDescriptor td = itr.next();
1451 output.println(" "+td+";");
1453 output.println("}");
1455 output.println("struct sese"+faen.getPrettyIdentifier()+"out {");
1456 itr = faen.getOutVarSet().iterator();
1457 while( itr.hasNext() ) {
1458 TempDescriptor td = itr.next();
1459 output.println(" "+td+";");
1461 output.println("}");
1467 protected void generateCode( FlatNode first,
1470 FlatSESEExitNode stop,
1471 PrintWriter output ) {
1473 /* Assign labels to FlatNode's if necessary.*/
1474 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(first);
1476 /* Do the actual code generation */
1477 FlatNode current_node=null;
1478 HashSet tovisit=new HashSet();
1479 HashSet visited=new HashSet();
1481 while(current_node!=null||!tovisit.isEmpty()) {
1482 if (current_node==null) {
1483 current_node=(FlatNode)tovisit.iterator().next();
1484 tovisit.remove(current_node);
1485 } else if (tovisit.contains(current_node)){
1486 tovisit.remove(current_node);
1488 if(current_node==stop) { return; }
1489 visited.add(current_node);
1490 if (nodetolabel.containsKey(current_node))
1491 output.println("L"+nodetolabel.get(current_node)+":");
1492 if (state.INSTRUCTIONFAILURE) {
1493 if (state.THREAD||state.DSM||state.SINGLETM) {
1494 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1496 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1498 if (current_node.numNext()==0) {
1500 generateFlatNode(fm, lb, current_node, output);
1501 if (current_node.kind()!=FKind.FlatReturnNode) {
1502 output.println(" return;");
1505 } else if(current_node.numNext()==1) {
1507 if (state.MLP && current_node.kind()==FKind.FlatSESEEnterNode) {
1508 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
1510 setSESEtoGen.add(fsen);
1511 fsen.setEnclosingFlatMeth(fm);
1513 nextnode=fsen.getFlatExit().getNext(0);
1516 generateFlatNode(fm, lb, current_node, output);
1517 nextnode=current_node.getNext(0);
1519 if (visited.contains(nextnode)) {
1520 output.println("goto L"+nodetolabel.get(nextnode)+";");
1523 current_node=nextnode;
1524 } else if (current_node.numNext()==2) {
1527 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1528 if (!visited.contains(current_node.getNext(1)))
1529 tovisit.add(current_node.getNext(1));
1530 if (visited.contains(current_node.getNext(0))) {
1531 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1534 current_node=current_node.getNext(0);
1535 } else throw new Error();
1540 /** This method assigns labels to FlatNodes */
1542 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first) {
1543 HashSet tovisit=new HashSet();
1544 HashSet visited=new HashSet();
1546 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1549 /*Assign labels first. A node needs a label if the previous
1550 * node has two exits or this node is a join point. */
1552 while(!tovisit.isEmpty()) {
1553 FlatNode fn=(FlatNode)tovisit.iterator().next();
1556 for(int i=0; i<fn.numNext(); i++) {
1557 FlatNode nn=fn.getNext(i);
1559 //1) Edge >1 of node
1560 nodetolabel.put(nn,new Integer(labelindex++));
1562 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1566 nodetolabel.put(nn,new Integer(labelindex++));
1574 /** Generate text string that corresponds to the TempDescriptor td. */
1575 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1576 MethodDescriptor md=fm.getMethod();
1577 TaskDescriptor task=fm.getTask();
1578 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1579 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1580 //System.out.println("generateTemp returns " + td.getSafeSymbol());
1581 return td.getSafeSymbol();
1584 if (objecttemps.isLocalPtr(td)) {
1585 return localsprefix+"."+td.getSafeSymbol();
1588 if (objecttemps.isParamPtr(td)) {
1589 return paramsprefix+"->"+td.getSafeSymbol();
1594 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1596 case FKind.FlatAtomicEnterNode:
1597 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1600 case FKind.FlatAtomicExitNode:
1601 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1604 case FKind.FlatInstanceOfNode:
1605 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
1608 case FKind.FlatSESEEnterNode:
1612 case FKind.FlatSESEExitNode:
1616 case FKind.FlatGlobalConvNode:
1617 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1620 case FKind.FlatTagDeclaration:
1621 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1624 case FKind.FlatCall:
1625 generateFlatCall(fm, lb, (FlatCall) fn,output);
1628 case FKind.FlatFieldNode:
1629 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1632 case FKind.FlatElementNode:
1633 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1636 case FKind.FlatSetElementNode:
1637 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1640 case FKind.FlatSetFieldNode:
1641 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1645 generateFlatNew(fm, lb, (FlatNew) fn,output);
1648 case FKind.FlatOpNode:
1649 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1652 case FKind.FlatCastNode:
1653 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1656 case FKind.FlatLiteralNode:
1657 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1660 case FKind.FlatReturnNode:
1661 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1665 output.println("/* nop */");
1668 case FKind.FlatExit:
1669 output.println("/* exit */");
1672 case FKind.FlatBackEdge:
1673 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1674 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1675 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1677 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1679 output.println("/* nop */");
1682 case FKind.FlatCheckNode:
1683 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1686 case FKind.FlatFlagActionNode:
1687 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1690 case FKind.FlatPrefetchNode:
1691 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1694 case FKind.FlatOffsetNode:
1695 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
1701 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
1702 output.println("/* FlatOffsetNode */");
1703 FieldDescriptor fd=fofn.getField();
1704 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+");");
1705 output.println("/* offset */");
1708 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1709 if (state.PREFETCH) {
1710 Vector oids = new Vector();
1711 Vector fieldoffset = new Vector();
1712 Vector endoffset = new Vector();
1713 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1714 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
1715 PrefetchPair pp = (PrefetchPair) it.next();
1716 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1717 /* Find prefetches that can generate oid */
1718 if(statusbase == LocalityAnalysis.GLOBAL) {
1719 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1721 } else if (statusbase == LocalityAnalysis.LOCAL) {
1722 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1729 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
1730 output.println("{");
1731 output.println("/* prefetch */");
1732 output.println("/* prefetchid_" + fpn.siteid + " */");
1733 output.println("void * prefptr;");
1734 output.println("int tmpindex;");
1736 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1737 /*Create C code for oid array */
1738 output.print(" unsigned int oidarray_[] = {");
1739 boolean needcomma=false;
1740 for (Iterator it = oids.iterator(); it.hasNext();) {
1743 output.print(it.next());
1746 output.println("};");
1748 /*Create C code for endoffset values */
1749 output.print(" unsigned short endoffsetarry_[] = {");
1751 for (Iterator it = endoffset.iterator(); it.hasNext();) {
1754 output.print(it.next());
1757 output.println("};");
1759 /*Create C code for Field Offset Values */
1760 output.print(" short fieldarry_[] = {");
1762 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
1765 output.print(it.next());
1768 output.println("};");
1769 /* make the prefetch call to Runtime */
1770 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1771 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1772 output.println(" }");
1773 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1774 output.println(" } else {");
1775 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1776 output.println(" }");
1777 output.println("}");
1781 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1782 short offsetcount = 0;
1786 } else if (localbase) {
1787 for(; breakindex<pp.desc.size(); breakindex++) {
1788 Descriptor desc=pp.getDescAt(breakindex);
1789 if (desc instanceof FieldDescriptor) {
1790 FieldDescriptor fd=(FieldDescriptor)desc;
1791 if (fd.isGlobal()) {
1799 if (breakindex>pp.desc.size()) //all local
1802 TypeDescriptor lasttype=pp.base.getType();
1803 String basestr=generateTemp(fm, pp.base, lb);
1805 boolean maybenull=fm.getMethod().isStatic()||
1806 !pp.base.equals(fm.getParameter(0));
1808 for(int i=0; i<breakindex; i++) {
1809 String indexcheck="";
1811 Descriptor desc=pp.getDescAt(i);
1812 if (desc instanceof FieldDescriptor) {
1813 FieldDescriptor fd=(FieldDescriptor)desc;
1815 if (!teststr.equals(""))
1817 teststr+="((prefptr="+basestr+")!=NULL)";
1818 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
1820 basestr=basestr+"->"+fd.getSafeSymbol();
1823 lasttype=fd.getType();
1825 IndexDescriptor id=(IndexDescriptor)desc;
1826 indexcheck="((tmpindex=";
1827 for(int j=0; j<id.tddesc.size(); j++) {
1828 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
1830 indexcheck+=id.offset+")>=0)&&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
1832 if (!teststr.equals(""))
1834 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
1835 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
1837 lasttype=lasttype.dereference();
1842 if (teststr.equals("")) {
1843 oid="((unsigned int)"+basestr+")";
1845 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
1849 for(int i = breakindex; i < pp.desc.size(); i++) {
1850 String newfieldoffset;
1851 Object desc = pp.getDescAt(i);
1852 if(desc instanceof FieldDescriptor) {
1853 FieldDescriptor fd=(FieldDescriptor)desc;
1854 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
1855 lasttype=fd.getType();
1857 newfieldoffset = "";
1858 IndexDescriptor id=(IndexDescriptor)desc;
1859 for(int j = 0; j < id.tddesc.size(); j++) {
1860 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
1862 newfieldoffset += id.offset.toString();
1863 lasttype=lasttype.dereference();
1865 fieldoffset.add(newfieldoffset);
1868 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
1869 base+=pp.desc.size()-breakindex;
1870 endoffset.add(new Short((short)base));
1875 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1876 if (lb!=fgcn.getLocality())
1878 /* Have to generate flat globalconv */
1879 if (fgcn.getMakePtr()) {
1881 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1883 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1886 /* Need to convert to OID */
1887 if (fgcn.doConvert()) {
1888 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1890 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
1895 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
1897 if (fion.getType().isArray()) {
1898 type=state.getArrayNumber(fion.getType())+state.numClasses();
1900 type=fion.getType().getClassDesc().getId();
1903 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
1904 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
1906 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
1909 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1910 /* Check to see if we need to generate code for this atomic */
1911 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1913 /* Backup the temps. */
1914 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1915 TempDescriptor tmp=tmpit.next();
1916 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1919 output.println("goto transstart"+faen.getIdentifier()+";");
1921 /******* Print code to retry aborted transaction *******/
1922 output.println("transretry"+faen.getIdentifier()+":");
1925 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1926 TempDescriptor tmp=tmpit.next();
1927 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
1931 /********* Need to revert local object store ********/
1932 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1934 output.println("while ("+revertptr+") {");
1935 output.println("struct ___Object___ * tmpptr;");
1936 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1937 output.println("REVERT_OBJ("+revertptr+");");
1938 output.println(revertptr+"=tmpptr;");
1939 output.println("}");
1941 /******* Tell the runtime to start the transaction *******/
1943 output.println("transstart"+faen.getIdentifier()+":");
1944 output.println("transStart();");
1946 if (state.ABORTREADERS) {
1947 output.println("if (_setjmp(aborttrans)) {");
1948 output.println(" goto transretry"+faen.getIdentifier()+"; }");
1952 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1953 /* Check to see if we need to generate code for this atomic */
1954 if (locality.getAtomic(lb).get(faen).intValue()>0)
1956 //store the revert list before we lose the transaction object
1957 String revertptr=null;
1959 revertptr=generateTemp(fm, reverttable.get(lb),lb);
1960 output.println(revertptr+"=revertlist;");
1962 output.println("if (transCommit()) {");
1963 /* Transaction aborts if it returns true */
1964 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1966 output.println("} else {");
1967 /* Need to commit local object store */
1968 output.println("while ("+revertptr+") {");
1969 output.println("struct ___Object___ * tmpptr;");
1970 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1971 output.println("COMMIT_OBJ("+revertptr+");");
1972 output.println(revertptr+"=tmpptr;");
1973 output.println("}");
1975 output.println("}");
1979 public void generateSESE(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
1984 public void generateFlatSESEEnterNode(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
1987 public void generateFlatSESEExitNode(FlatMethod fm, LocalityBinding lb, FlatSESEExitNode faen, PrintWriter output) {
1988 //output.println("mlpNotifyExit( (struct SESE*)0 );");
1991 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
1992 if (state.CONSCHECK) {
1993 String specname=fcn.getSpec();
1994 String varname="repairstate___";
1995 output.println("{");
1996 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1998 TempDescriptor[] temps=fcn.getTemps();
1999 String[] vars=fcn.getVars();
2000 for(int i=0; i<temps.length; i++) {
2001 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
2004 output.println("if (doanalysis"+specname+"("+varname+")) {");
2005 output.println("free"+specname+"_state("+varname+");");
2006 output.println("} else {");
2007 output.println("/* Bad invariant */");
2008 output.println("free"+specname+"_state("+varname+");");
2009 output.println("abort_task();");
2010 output.println("}");
2011 output.println("}");
2015 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
2016 MethodDescriptor md=fc.getMethod();
2017 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM||state.SINGLETM ? locality.getBinding(lb, fc) : md);
2018 ClassDescriptor cn=md.getClassDesc();
2019 output.println("{");
2020 if (GENERATEPRECISEGC) {
2021 if (state.DSM||state.SINGLETM) {
2022 LocalityBinding fclb=locality.getBinding(lb, fc);
2023 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2025 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2027 output.print(objectparams.numPointers());
2028 output.print(", & "+localsprefix);
2029 if (md.getThis()!=null) {
2031 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
2033 if (fc.getThis()!=null&&md.getThis()==null) {
2034 System.out.println("WARNING!!!!!!!!!!!!");
2035 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2039 for(int i=0; i<fc.numArgs(); i++) {
2040 Descriptor var=md.getParameter(i);
2041 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2042 if (objectparams.isParamPtr(paramtemp)) {
2043 TempDescriptor targ=fc.getArg(i);
2045 TypeDescriptor td=md.getParamType(i);
2047 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2049 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2052 output.println("};");
2057 if (fc.getReturnTemp()!=null)
2058 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
2060 /* Do we need to do virtual dispatch? */
2061 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
2063 if (state.DSM||state.SINGLETM) {
2064 LocalityBinding fclb=locality.getBinding(lb, fc);
2065 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2067 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2072 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2073 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2075 output.print(md.getReturnType().getSafeSymbol()+" ");
2076 output.print("(*)(");
2078 boolean printcomma=false;
2079 if (GENERATEPRECISEGC) {
2080 if (state.DSM||state.SINGLETM) {
2081 LocalityBinding fclb=locality.getBinding(lb, fc);
2082 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2084 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2088 for(int i=0; i<objectparams.numPrimitives(); i++) {
2089 TempDescriptor temp=objectparams.getPrimitive(i);
2093 if (temp.getType().isClass()||temp.getType().isArray())
2094 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2096 output.print(temp.getType().getSafeSymbol());
2100 if (state.DSM||state.SINGLETM) {
2101 LocalityBinding fclb=locality.getBinding(lb, fc);
2102 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
2104 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2108 boolean needcomma=false;
2109 if (GENERATEPRECISEGC) {
2110 output.print("&__parameterlist__");
2114 if (!GENERATEPRECISEGC) {
2115 if (fc.getThis()!=null) {
2116 TypeDescriptor ptd=md.getThis().getType();
2119 if (ptd.isClass()&&!ptd.isArray())
2120 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2121 output.print(generateTemp(fm,fc.getThis(),lb));
2126 for(int i=0; i<fc.numArgs(); i++) {
2127 Descriptor var=md.getParameter(i);
2128 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2129 if (objectparams.isParamPrim(paramtemp)) {
2130 TempDescriptor targ=fc.getArg(i);
2134 TypeDescriptor ptd=md.getParamType(i);
2135 if (ptd.isClass()&&!ptd.isArray())
2136 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2137 output.print(generateTemp(fm, targ,lb));
2141 output.println(");");
2142 output.println(" }");
2145 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2146 Set subclasses=typeutil.getSubClasses(thiscd);
2147 if (subclasses==null)
2149 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
2150 ClassDescriptor cd=(ClassDescriptor)classit.next();
2151 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
2152 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
2153 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2154 if (md.matches(matchmd))
2161 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
2162 if (state.SINGLETM) {
2163 //single machine transactional memory case
2164 String field=ffn.getField().getSafeSymbol();
2165 String src=generateTemp(fm, ffn.getSrc(),lb);
2166 String dst=generateTemp(fm, ffn.getDst(),lb);
2168 output.println(dst+"="+ src +"->"+field+ ";");
2169 if (ffn.getField().getType().isPtr()&&locality.getAtomic(lb).get(ffn).intValue()>0) {
2170 output.println("TRANSREAD("+dst+", "+dst+");");
2172 } else if (state.DSM) {
2173 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
2174 if (status==LocalityAnalysis.GLOBAL) {
2175 String field=ffn.getField().getSafeSymbol();
2176 String src=generateTemp(fm, ffn.getSrc(),lb);
2177 String dst=generateTemp(fm, ffn.getDst(),lb);
2179 if (ffn.getField().getType().isPtr()) {
2181 //TODO: Uncomment this when we have runtime support
2182 //if (ffn.getSrc()==ffn.getDst()) {
2183 //output.println("{");
2184 //output.println("void * temp="+src+";");
2185 //output.println("if (temp&0x1) {");
2186 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
2187 //output.println(src+"->"+field+"="+temp+";");
2188 //output.println("}");
2189 //output.println(dst+"=temp;");
2190 //output.println("}");
2192 output.println(dst+"="+ src +"->"+field+ ";");
2193 //output.println("if ("+dst+"&0x1) {");
2194 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2195 //output.println(src+"->"+field+"="+src+"->"+field+";");
2196 //output.println("}");
2199 output.println(dst+"="+ src+"->"+field+";");
2201 } else if (status==LocalityAnalysis.LOCAL) {
2202 if (ffn.getField().getType().isPtr()&&
2203 ffn.getField().isGlobal()) {
2204 String field=ffn.getField().getSafeSymbol();
2205 String src=generateTemp(fm, ffn.getSrc(),lb);
2206 String dst=generateTemp(fm, ffn.getDst(),lb);
2207 output.println(dst+"="+ src +"->"+field+ ";");
2208 if (locality.getAtomic(lb).get(ffn).intValue()>0)
2209 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2211 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2212 } else if (status==LocalityAnalysis.EITHER) {
2213 //Code is reading from a null pointer
2214 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
2215 output.println("#ifndef RAW");
2216 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2217 output.println("#endif");
2218 //This should throw a suitable null pointer error
2219 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2221 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2223 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2227 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
2228 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2229 throw new Error("Can't set array length");
2230 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2231 //Single Machine Transaction Case
2232 boolean srcptr=fsfn.getSrc().getType().isPtr();
2233 String src=generateTemp(fm,fsfn.getSrc(),lb);
2234 String dst=generateTemp(fm,fsfn.getDst(),lb);
2235 if (srcptr&&!fsfn.getSrc().getType().isNull()) {
2236 output.println("{");
2237 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2239 if (wb.needBarrier(fsfn))
2240 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
2241 if (srcptr&!fsfn.getSrc().getType().isNull()) {
2242 output.println("*((unsigned int *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2243 output.println("}");
2245 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2247 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2248 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
2249 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
2250 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2252 String src=generateTemp(fm,fsfn.getSrc(),lb);
2253 String dst=generateTemp(fm,fsfn.getDst(),lb);
2255 output.println("{");
2256 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2258 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2261 if (wb.needBarrier(fsfn))
2262 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2264 output.println("*((unsigned int *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2266 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2267 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2268 /** Check if we need to copy */
2269 output.println("if(!"+dst+"->"+localcopystr+") {");
2270 /* Link object into list */
2271 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2272 output.println(revertptr+"=revertlist;");
2273 if (GENERATEPRECISEGC)
2274 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2276 output.println("COPY_OBJ("+dst+");");
2277 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2278 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2279 output.println("}");
2281 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2283 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2284 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2285 //writing to a null...bad
2286 output.println("if ("+dst+") {");
2287 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2289 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2291 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2294 output.println("}");
2297 if (state.FASTCHECK) {
2298 String dst=generateTemp(fm, fsfn.getDst(),lb);
2299 output.println("if(!"+dst+"->"+localcopystr+") {");
2300 /* Link object into list */
2301 if (GENERATEPRECISEGC)
2302 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2304 output.println("COPY_OBJ("+dst+");");
2305 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2306 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2307 output.println("}");
2309 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2313 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2314 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2317 if (elementtype.isArray()||elementtype.isClass())
2320 type=elementtype.getSafeSymbol()+" ";
2322 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2323 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2324 output.println("failedboundschk();");
2326 if (state.SINGLETM) {
2327 //Single machine transaction case
2328 String dst=generateTemp(fm, fen.getDst(),lb);
2329 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2331 if (elementtype.isPtr()&&locality.getAtomic(lb).get(fen).intValue()>0) {
2332 output.println("TRANSREAD("+dst+", "+dst+");");
2334 } else if (state.DSM) {
2335 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2336 if (status==LocalityAnalysis.GLOBAL) {
2337 String dst=generateTemp(fm, fen.getDst(),lb);
2339 if (elementtype.isPtr()) {
2340 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2341 output.println("TRANSREAD("+dst+", "+dst+");");
2343 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2345 } else if (status==LocalityAnalysis.LOCAL) {
2346 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2347 } else if (status==LocalityAnalysis.EITHER) {
2348 //Code is reading from a null pointer
2349 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2350 output.println("#ifndef RAW");
2351 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2352 output.println("#endif");
2353 //This should throw a suitable null pointer error
2354 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2356 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2358 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2362 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2363 //TODO: need dynamic check to make sure this assignment is actually legal
2364 //Because Object[] could actually be something more specific...ie. Integer[]
2366 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2369 if (elementtype.isArray()||elementtype.isClass())
2372 type=elementtype.getSafeSymbol()+" ";
2374 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2375 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2376 output.println("failedboundschk();");
2379 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2380 //Transaction set element case
2381 if (wb.needBarrier(fsen))
2382 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
2383 if (fsen.getSrc().getType().isPtr()&&!fsen.getSrc().getType().isNull()) {
2384 output.println("{");
2385 String src=generateTemp(fm, fsen.getSrc(), lb);
2386 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2387 output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2388 output.println("}");
2390 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2392 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2393 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2394 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2395 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2396 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2397 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2400 if (wb.needBarrier(fsen))
2401 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2402 } else if (dstlocal) {
2403 /** Check if we need to copy */
2404 String dst=generateTemp(fm, fsen.getDst(),lb);
2405 output.println("if(!"+dst+"->"+localcopystr+") {");
2406 /* Link object into list */
2407 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2408 output.println(revertptr+"=revertlist;");
2409 if (GENERATEPRECISEGC)
2410 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2412 output.println("COPY_OBJ("+dst+");");
2413 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2414 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2415 output.println("}");
2416 } else throw new Error("Unknown array type");
2418 output.println("{");
2419 String src=generateTemp(fm, fsen.getSrc(), lb);
2420 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2421 output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2422 output.println("}");
2424 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2427 if (state.FASTCHECK) {
2428 String dst=generateTemp(fm, fsen.getDst(),lb);
2429 output.println("if(!"+dst+"->"+localcopystr+") {");
2430 /* Link object into list */
2431 if (GENERATEPRECISEGC)
2432 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2434 output.println("COPY_OBJ("+dst+");");
2435 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2436 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2437 output.println("}");
2439 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2443 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2444 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2445 //Stash pointer in case of GC
2446 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2447 output.println(revertptr+"=revertlist;");
2449 if (state.SINGLETM) {
2450 if (fn.getType().isArray()) {
2451 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2452 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2453 //inside transaction
2454 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2456 //outside transaction
2457 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2460 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2461 //inside transaction
2462 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2464 //outside transaction
2465 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2468 } else if (fn.getType().isArray()) {
2469 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2470 if (fn.isGlobal()) {
2471 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2472 } else if (GENERATEPRECISEGC) {
2473 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2475 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2478 if (fn.isGlobal()) {
2479 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
2480 } else if (GENERATEPRECISEGC) {
2481 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2483 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2486 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2487 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2488 String dst=generateTemp(fm,fn.getDst(),lb);
2489 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2490 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2491 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2493 if (state.FASTCHECK) {
2494 String dst=generateTemp(fm,fn.getDst(),lb);
2495 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2496 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2497 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2501 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2502 if (GENERATEPRECISEGC) {
2503 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2505 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2509 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2510 if (fon.getRight()!=null) {
2511 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2512 if (fon.getLeft().getType().isLong())
2513 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2515 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2518 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2519 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2520 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2521 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2522 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2523 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2524 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2525 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2526 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2527 else if (fon.getOp().getOp()==Operation.COMP)
2528 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2529 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2530 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2532 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2535 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2536 /* TODO: Do type check here */
2537 if (fcn.getType().isArray()) {
2539 } else if (fcn.getType().isClass())
2540 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2542 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2545 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2546 if (fln.getValue()==null)
2547 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2548 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2549 if (GENERATEPRECISEGC) {
2550 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2551 //Stash pointer in case of GC
2552 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2553 output.println(revertptr+"=revertlist;");
2555 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2556 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2557 //Stash pointer in case of GC
2558 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2559 output.println("revertlist="+revertptr+";");
2562 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2564 } else if (fln.getType().isBoolean()) {
2565 if (((Boolean)fln.getValue()).booleanValue())
2566 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2568 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2569 } else if (fln.getType().isChar()) {
2570 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2571 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2572 } else if (fln.getType().isLong()) {
2573 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2575 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2578 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2579 if (frn.getReturnTemp()!=null) {
2580 if (frn.getReturnTemp().getType().isPtr())
2581 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2583 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2585 output.println("return;");
2589 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2590 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2593 /** This method generates header information for the method or
2594 * task referenced by the Descriptor des. */
2596 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2598 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2599 MethodDescriptor md=null;
2600 TaskDescriptor task=null;
2601 if (des instanceof MethodDescriptor)
2602 md=(MethodDescriptor) des;
2604 task=(TaskDescriptor) des;
2606 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2608 if (md!=null&&md.getReturnType()!=null) {
2609 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2610 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2612 output.print(md.getReturnType().getSafeSymbol()+" ");
2614 //catch the constructor case
2615 output.print("void ");
2617 if (state.DSM||state.SINGLETM) {
2618 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2620 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2622 output.print(task.getSafeSymbol()+"(");
2624 boolean printcomma=false;
2625 if (GENERATEPRECISEGC) {
2627 if (state.DSM||state.SINGLETM) {
2628 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2630 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2632 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2638 for(int i=0; i<objectparams.numPrimitives(); i++) {
2639 TempDescriptor temp=objectparams.getPrimitive(i);
2643 if (temp.getType().isClass()||temp.getType().isArray())
2644 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2646 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2648 output.println(") {");
2649 } else if (!GENERATEPRECISEGC) {
2650 /* Imprecise Task */
2651 output.println("void * parameterarray[]) {");
2652 /* Unpack variables */
2653 for(int i=0; i<objectparams.numPrimitives(); i++) {
2654 TempDescriptor temp=objectparams.getPrimitive(i);
2655 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2657 for(int i=0; i<fm.numTags(); i++) {
2658 TempDescriptor temp=fm.getTag(i);
2659 int offset=i+objectparams.numPrimitives();
2660 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2663 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2664 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2665 } else output.println(") {");
2668 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2669 output.println("/* FlatFlagActionNode */");
2672 /* Process tag changes */
2673 Relation tagsettable=new Relation();
2674 Relation tagcleartable=new Relation();
2676 Iterator tagsit=ffan.getTempTagPairs();
2677 while (tagsit.hasNext()) {
2678 TempTagPair ttp=(TempTagPair) tagsit.next();
2679 TempDescriptor objtmp=ttp.getTemp();
2680 TagDescriptor tag=ttp.getTag();
2681 TempDescriptor tagtmp=ttp.getTagTemp();
2682 boolean tagstatus=ffan.getTagChange(ttp);
2684 tagsettable.put(objtmp, tagtmp);
2686 tagcleartable.put(objtmp, tagtmp);
2691 Hashtable flagandtable=new Hashtable();
2692 Hashtable flagortable=new Hashtable();
2694 /* Process flag changes */
2695 Iterator flagsit=ffan.getTempFlagPairs();
2696 while(flagsit.hasNext()) {
2697 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2698 TempDescriptor temp=tfp.getTemp();
2699 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2700 FlagDescriptor flag=tfp.getFlag();
2702 //Newly allocate objects that don't set any flags case
2703 if (flagortable.containsKey(temp)) {
2707 flagortable.put(temp,new Integer(mask));
2709 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2710 boolean flagstatus=ffan.getFlagChange(tfp);
2713 if (flagortable.containsKey(temp)) {
2714 mask=((Integer)flagortable.get(temp)).intValue();
2717 flagortable.put(temp,new Integer(mask));
2719 int mask=0xFFFFFFFF;
2720 if (flagandtable.containsKey(temp)) {
2721 mask=((Integer)flagandtable.get(temp)).intValue();
2723 mask&=(0xFFFFFFFF^flagid);
2724 flagandtable.put(temp,new Integer(mask));
2730 HashSet flagtagset=new HashSet();
2731 flagtagset.addAll(flagortable.keySet());
2732 flagtagset.addAll(flagandtable.keySet());
2733 flagtagset.addAll(tagsettable.keySet());
2734 flagtagset.addAll(tagcleartable.keySet());
2736 Iterator ftit=flagtagset.iterator();
2737 while(ftit.hasNext()) {
2738 TempDescriptor temp=(TempDescriptor)ftit.next();
2741 Set tagtmps=tagcleartable.get(temp);
2742 if (tagtmps!=null) {
2743 Iterator tagit=tagtmps.iterator();
2744 while(tagit.hasNext()) {
2745 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2746 if (GENERATEPRECISEGC)
2747 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2749 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2753 tagtmps=tagsettable.get(temp);
2754 if (tagtmps!=null) {
2755 Iterator tagit=tagtmps.iterator();
2756 while(tagit.hasNext()) {
2757 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2758 if (GENERATEPRECISEGC)
2759 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2761 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2766 int andmask=0xFFFFFFF;
2768 if (flagortable.containsKey(temp))
2769 ormask=((Integer)flagortable.get(temp)).intValue();
2770 if (flagandtable.containsKey(temp))
2771 andmask=((Integer)flagandtable.get(temp)).intValue();
2772 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2773 generateObjectDistribute(ffan, fm, lb, temp, output);
2777 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2778 PrintWriter output, int ormask, int andmask) {
2779 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2780 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2782 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2786 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2787 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
2790 void generateOptionalHeader(PrintWriter headers) {
2793 headers.println("#include \"task.h\"\n\n");
2794 headers.println("#ifndef _OPTIONAL_STRUCT_");
2795 headers.println("#define _OPTIONAL_STRUCT_");
2797 //STRUCT PREDICATEMEMBER
2798 headers.println("struct predicatemember{");
2799 headers.println("int type;");
2800 headers.println("int numdnfterms;");
2801 headers.println("int * flags;");
2802 headers.println("int numtags;");
2803 headers.println("int * tags;\n};\n\n");
2805 //STRUCT OPTIONALTASKDESCRIPTOR
2806 headers.println("struct optionaltaskdescriptor{");
2807 headers.println("struct taskdescriptor * task;");
2808 headers.println("int index;");
2809 headers.println("int numenterflags;");
2810 headers.println("int * enterflags;");
2811 headers.println("int numpredicatemembers;");
2812 headers.println("struct predicatemember ** predicatememberarray;");
2813 headers.println("};\n\n");
2815 //STRUCT TASKFAILURE
2816 headers.println("struct taskfailure {");
2817 headers.println("struct taskdescriptor * task;");
2818 headers.println("int index;");
2819 headers.println("int numoptionaltaskdescriptors;");
2820 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2822 //STRUCT FSANALYSISWRAPPER
2823 headers.println("struct fsanalysiswrapper{");
2824 headers.println("int flags;");
2825 headers.println("int numtags;");
2826 headers.println("int * tags;");
2827 headers.println("int numtaskfailures;");
2828 headers.println("struct taskfailure ** taskfailurearray;");
2829 headers.println("int numoptionaltaskdescriptors;");
2830 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2832 //STRUCT CLASSANALYSISWRAPPER
2833 headers.println("struct classanalysiswrapper{");
2834 headers.println("int type;");
2835 headers.println("int numotd;");
2836 headers.println("struct optionaltaskdescriptor ** otdarray;");
2837 headers.println("int numfsanalysiswrappers;");
2838 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2840 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2842 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2843 while(taskit.hasNext()) {
2844 TaskDescriptor td=(TaskDescriptor)taskit.next();
2845 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2850 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2851 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2852 int predicateindex = 0;
2853 //iterate through the classes concerned by the predicate
2854 Set c_vard = predicate.vardescriptors;
2855 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2858 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
2859 VarDescriptor vard = (VarDescriptor)vard_it.next();
2860 TypeDescriptor typed = vard.getType();
2862 //generate for flags
2863 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2864 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2866 if (fen_hashset!=null) {
2867 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
2868 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2870 DNFFlag dflag=fen.getDNF();
2871 numberterms+=dflag.size();
2873 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2875 for(int j=0; j<dflag.size(); j++) {
2877 output.println(",");
2878 Vector term=dflag.get(j);
2881 for(int k=0; k<term.size(); k++) {
2882 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2883 FlagDescriptor fd=dfa.getFlag();
2884 boolean negated=dfa.getNegated();
2885 int flagid=1<<((Integer)flags.get(fd)).intValue();
2890 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2895 output.println("};\n");
2898 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2899 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2902 for(int j=0; j<tagel.numTags(); j++) {
2904 output.println(",");
2905 TempDescriptor tmp=tagel.getTemp(j);
2906 if (!slotnumber.containsKey(tmp)) {
2907 Integer slotint=new Integer(current_slot++);
2908 slotnumber.put(tmp,slotint);
2910 int slot=slotnumber.get(tmp).intValue();
2911 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2913 numtags = tagel.numTags();
2915 output.println("};");
2917 //store the result into a predicatemember struct
2918 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2919 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2920 output.println("/* number of dnf terms */"+numberterms+",");
2921 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2922 output.println("/* number of tag */"+numtags+",");
2923 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2924 output.println("};\n");
2929 //generate an array that stores the entire predicate
2930 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2931 for( int j = 0; j<predicateindex; j++) {
2932 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2933 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2935 output.println("};\n");
2936 return predicateindex;
2940 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2941 generateOptionalHeader(headers);
2943 output.println("#include \"optionalstruct.h\"\n\n");
2944 output.println("#include \"stdlib.h\"\n");
2946 HashSet processedcd = new HashSet();
2948 Enumeration e = safeexecution.keys();
2949 while (e.hasMoreElements()) {
2952 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2953 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
2955 //Generate the struct of optionals
2956 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2957 numotd = c_otd.size();
2958 if(maxotd<numotd) maxotd = numotd;
2959 if( !c_otd.isEmpty() ) {
2960 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2961 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2963 //generate the int arrays for the predicate
2964 Predicate predicate = otd.predicate;
2965 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
2966 TreeSet<Integer> fsset=new TreeSet<Integer>();
2967 //iterate through possible FSes corresponding to
2968 //the state when entering
2970 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
2971 FlagState fs = (FlagState)fses.next();
2973 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
2974 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2975 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2978 fsset.add(new Integer(flagid));
2979 //tag information not needed because tag
2980 //changes are not tolerated.
2983 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2984 boolean needcomma=false;
2985 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
2988 output.println(it.next());
2991 output.println("};\n");
2994 //generate optionaltaskdescriptor that actually
2995 //includes exit fses, predicate and the task
2997 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2998 output.println("&task_"+otd.td.getSafeSymbol()+",");
2999 output.println("/*index*/"+otd.getIndex()+",");
3000 output.println("/*number of enter flags*/"+fsset.size()+",");
3001 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3002 output.println("/*number of members */"+predicateindex+",");
3003 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3004 output.println("};\n");
3008 // if there are no optionals, there is no need to build the rest of the struct
3010 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3011 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3012 if( !c_otd.isEmpty() ) {
3013 boolean needcomma=false;
3014 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3015 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3017 output.println(",");
3019 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3022 output.println("};\n");
3024 //get all the possible flagstates reachable by an object
3025 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3027 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3028 fsts.addAll(hashtbtemp.keySet());
3029 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
3030 FlagState fs = (FlagState)fsit.next();
3033 //get the set of OptionalTaskDescriptors corresponding
3034 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3035 //iterate through the OptionalTaskDescriptors and
3036 //store the pointers to the optionals struct (see on
3037 //top) into an array
3039 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3040 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
3041 OptionalTaskDescriptor mm = mos.next();
3043 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3045 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3048 output.println("};\n");
3050 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3053 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3054 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3055 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3059 //process tag information
3062 boolean first = true;
3063 Enumeration tag_enum = fs.getTags();
3064 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3065 while(tag_enum.hasMoreElements()) {
3067 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3071 output.println(", ");
3072 output.println("/*tagid*/"+state.getTagId(tagd));
3074 output.println("};");
3076 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3077 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3078 TaskIndex ti=itti.next();
3082 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3084 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3085 boolean needcomma=false;
3086 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
3087 OptionalTaskDescriptor otd=otdit.next();
3091 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3093 output.println("};");
3095 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3096 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3097 output.print(ti.getIndex()+", ");
3098 output.print(otdset.size()+", ");
3099 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3100 output.println("};");
3103 tiset=sa.getTaskIndex(fs);
3104 boolean needcomma=false;
3106 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3107 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3108 TaskIndex ti=itti.next();
3109 if (ti.isRuntime()) {
3116 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3118 output.println("};\n");
3120 //Store the result in fsanalysiswrapper
3122 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3123 output.println("/*flag*/"+flagid+",");
3124 output.println("/* number of tags*/"+tagcounter+",");
3125 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3126 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3127 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3128 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3129 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3130 output.println("};\n");
3134 //Build the array of fsanalysiswrappers
3135 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3136 boolean needcomma=false;
3137 for(int i = 0; i<fscounter; i++) {
3138 if (needcomma) output.print(",");
3139 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3142 output.println("};");
3144 //Build the classanalysiswrapper referring to the previous array
3145 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3146 output.println("/*type*/"+cdtemp.getId()+",");
3147 output.println("/*numotd*/"+numotd+",");
3148 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3149 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3150 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3151 processedcd.add(cdtemp);
3154 //build an array containing every classes for which code has been build
3155 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3156 for(int i=0; i<state.numClasses(); i++) {
3157 ClassDescriptor cn=cdarray[i];
3160 if (processedcd.contains(cn))
3161 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3163 output.print("NULL");
3165 output.println("};");
3167 output.println("#define MAXOTD "+maxotd);
3168 headers.println("#endif");
3171 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3172 Relation r=new Relation();
3173 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
3174 OptionalTaskDescriptor otd=otdit.next();
3175 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3179 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3180 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
3181 Set s=r.get(it.next());
3182 for(Iterator it2=s.iterator(); it2.hasNext();) {
3183 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3191 protected void outputTransCode(PrintWriter output) {