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;");
227 outmethod.println("#ifdef TRANSSTATS \n");
228 outmethod.println("handle();\n");
229 outmethod.println("#endif\n");
230 if (state.THREAD||state.DSM||state.SINGLETM) {
231 outmethod.println("initializethreads();");
234 outmethod.println("if (dstmStartup(argv[1])) {");
235 if (GENERATEPRECISEGC) {
236 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
238 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
241 if (GENERATEPRECISEGC) {
242 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
244 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
248 outmethod.println(" for(i=2;i<argc;i++) {");
250 outmethod.println(" for(i=1;i<argc;i++) {");
251 outmethod.println(" int length=strlen(argv[i]);");
252 if (GENERATEPRECISEGC) {
253 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
255 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
258 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
260 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
261 outmethod.println(" }");
264 MethodDescriptor md=typeutil.getMain();
265 ClassDescriptor cd=typeutil.getMainClass();
267 outmethod.println(" {");
268 if (GENERATEPRECISEGC) {
269 if (state.DSM||state.SINGLETM) {
270 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
272 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
273 outmethod.println("1, NULL,"+"stringarray};");
274 if (state.DSM||state.SINGLETM)
275 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
277 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
279 if (state.DSM||state.SINGLETM)
280 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
282 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
284 outmethod.println(" }");
287 outmethod.println("}");
290 if (state.THREAD||state.DSM||state.SINGLETM) {
291 outmethod.println("pthread_mutex_lock(&gclistlock);");
292 outmethod.println("threadcount--;");
293 outmethod.println("pthread_cond_signal(&gccond);");
294 outmethod.println("pthread_mutex_unlock(&gclistlock);");
295 if (state.THREAD||state.SINGLETM)
296 outmethod.println("pthread_exit(NULL);");
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(\"nchashSearch= %d\\n\", nchashSearch);");
305 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
306 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
307 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
308 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
309 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
310 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
311 outmethod.println("#endif\n");
313 outmethod.println("}");
317 /* This method outputs code for each task. */
319 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
320 /* Compile task based program */
321 outtaskdefs.println("#include \"task.h\"");
322 outtaskdefs.println("#include \"methodheaders.h\"");
323 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
324 while(taskit.hasNext()) {
325 TaskDescriptor td=(TaskDescriptor)taskit.next();
326 FlatMethod fm=state.getMethodFlat(td);
327 generateFlatMethod(fm, null, outmethod);
328 generateTaskDescriptor(outtaskdefs, fm, td);
331 //Output task descriptors
332 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
333 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
335 while(taskit.hasNext()) {
336 TaskDescriptor td=(TaskDescriptor)taskit.next();
340 outtaskdefs.println(",");
341 outtaskdefs.print("&task_"+td.getSafeSymbol());
343 outtaskdefs.println("};");
345 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
348 /* This method outputs most of the methods.c file. This includes
349 * some standard includes and then an array with the sizes of
350 * objets and array that stores supertype and then the code for
351 * the Java methods.. */
353 protected void outputMethods(PrintWriter outmethod) {
354 outmethod.println("#include \"methodheaders.h\"");
355 outmethod.println("#include \"virtualtable.h\"");
356 outmethod.println("#include \"runtime.h\"");
358 outmethod.println("#include \"addPrefetchEnhance.h\"");
359 outmethod.println("#include \"localobjects.h\"");
361 if (state.FASTCHECK) {
362 outmethod.println("#include \"localobjects.h\"");
364 if(state.MULTICORE) {
365 outmethod.println("#include \"task.h\"");
367 if (state.THREAD||state.DSM||state.SINGLETM)
368 outmethod.println("#include <thread.h>");
369 if (state.main!=null) {
370 outmethod.println("#include <string.h>");
372 if (state.CONSCHECK) {
373 outmethod.println("#include \"checkers.h\"");
376 outmethod.println("#include \"mlp_runtime.h\"");
379 //Store the sizes of classes & array elements
380 generateSizeArray(outmethod);
382 //Store table of supertypes
383 generateSuperTypeTable(outmethod);
385 //Store the layout of classes
386 generateLayoutStructs(outmethod);
388 /* Generate code for methods */
389 if (state.DSM||state.SINGLETM) {
390 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
391 LocalityBinding lb=lbit.next();
392 MethodDescriptor md=lb.getMethod();
393 FlatMethod fm=state.getMethodFlat(md);
395 if (!md.getModifiers().isNative()) {
396 generateFlatMethod(fm, lb, outmethod);
400 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
401 while(classit.hasNext()) {
402 ClassDescriptor cn=(ClassDescriptor)classit.next();
403 Iterator methodit=cn.getMethods();
404 while(methodit.hasNext()) {
405 /* Classify parameters */
406 MethodDescriptor md=(MethodDescriptor)methodit.next();
407 FlatMethod fm=state.getMethodFlat(md);
408 if (!md.getModifiers().isNative()) {
409 generateFlatMethod(fm, null, outmethod);
416 protected void outputStructs(PrintWriter outstructs) {
417 outstructs.println("#ifndef STRUCTDEFS_H");
418 outstructs.println("#define STRUCTDEFS_H");
419 outstructs.println("#include \"classdefs.h\"");
421 /* Output #defines that the runtime uses to determine type
422 * numbers for various objects it needs */
423 outstructs.println("#define MAXCOUNT "+maxcount);
424 if (state.DSM||state.SINGLETM) {
425 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
427 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
428 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
431 outstructs.println("#define STRINGARRAYTYPE "+
432 (state.getArrayNumber(
433 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
435 outstructs.println("#define OBJECTARRAYTYPE "+
436 (state.getArrayNumber(
437 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
440 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
441 outstructs.println("#define CHARARRAYTYPE "+
442 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
444 outstructs.println("#define BYTEARRAYTYPE "+
445 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
447 outstructs.println("#define BYTEARRAYARRAYTYPE "+
448 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
450 outstructs.println("#define NUMCLASSES "+state.numClasses());
452 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
453 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
454 outstructs.println("#define TAGARRAYTYPE "+
455 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
459 protected void outputClassDeclarations(PrintWriter outclassdefs) {
460 if (state.THREAD||state.DSM||state.SINGLETM)
461 outclassdefs.println("#include <pthread.h>");
463 outclassdefs.println("#include \"optionalstruct.h\"");
464 outclassdefs.println("struct "+arraytype+";");
465 /* Start by declaring all structs */
466 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
467 while(it.hasNext()) {
468 ClassDescriptor cn=(ClassDescriptor)it.next();
469 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
471 outclassdefs.println("");
472 //Print out definition for array type
473 outclassdefs.println("struct "+arraytype+" {");
474 outclassdefs.println(" int type;");
476 outclassdefs.println(" pthread_t tid;");
477 outclassdefs.println(" void * lockentry;");
478 outclassdefs.println(" int lockcount;");
481 outclassdefs.println(" int flag;");
482 if(!state.MULTICORE) {
483 outclassdefs.println(" void * flagptr;");
485 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
486 outclassdefs.println(" int version;");
487 outclassdefs.println(" struct ___Object___ * original;");
488 //outclassdefs.println(" int numlocks;"); // array for locks
489 outclassdefs.println(" int * lock;");
492 outclassdefs.println(" int numfses;");
493 outclassdefs.println(" int * fses;");
496 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
498 outclassdefs.println(" int ___length___;");
499 outclassdefs.println("};\n");
500 outclassdefs.println("extern int classsize[];");
501 outclassdefs.println("extern int hasflags[];");
502 outclassdefs.println("extern unsigned int * pointerarray[];");
503 outclassdefs.println("extern int supertypes[];");
506 /** Prints out definitions for generic task structures */
508 private void outputTaskTypes(PrintWriter outtask) {
509 outtask.println("#ifndef _TASK_H");
510 outtask.println("#define _TASK_H");
511 outtask.println("struct parameterdescriptor {");
512 outtask.println("int type;");
513 outtask.println("int numberterms;");
514 outtask.println("int *intarray;");
515 outtask.println("void * queue;");
516 outtask.println("int numbertags;");
517 outtask.println("int *tagarray;");
518 outtask.println("};");
520 outtask.println("struct taskdescriptor {");
521 outtask.println("void * taskptr;");
522 outtask.println("int numParameters;");
523 outtask.println(" int numTotal;");
524 outtask.println("struct parameterdescriptor **descriptorarray;");
525 outtask.println("char * name;");
526 outtask.println("};");
527 outtask.println("extern struct taskdescriptor * taskarray[];");
528 outtask.println("extern numtasks;");
529 outtask.println("#endif");
533 private void buildRepairStructs(PrintWriter outrepairstructs) {
534 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
535 while(classit.hasNext()) {
536 ClassDescriptor cn=(ClassDescriptor)classit.next();
537 outrepairstructs.println("structure "+cn.getSymbol()+" {");
538 outrepairstructs.println(" int __type__;");
540 outrepairstructs.println(" int __flag__;");
541 if(!state.MULTICORE) {
542 outrepairstructs.println(" int __flagptr__;");
545 printRepairStruct(cn, outrepairstructs);
546 outrepairstructs.println("}\n");
549 for(int i=0; i<state.numArrays(); i++) {
550 TypeDescriptor tdarray=arraytable[i];
551 TypeDescriptor tdelement=tdarray.dereference();
552 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
553 outrepairstructs.println(" int __type__;");
554 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
555 outrepairstructs.println(" int length;");
557 // Need to add support to repair tool for this
558 if (tdelement.isClass()||tdelement.isArray())
559 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
561 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
563 outrepairstructs.println("}\n");
567 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
568 ClassDescriptor sp=cn.getSuperDesc();
570 printRepairStruct(sp, output);
572 Vector fields=(Vector)fieldorder.get(cn);
574 for(int i=0; i<fields.size(); i++) {
575 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
576 if (fd.getType().isArray()) {
577 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
578 } else if (fd.getType().isClass())
579 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
580 else if (fd.getType().isFloat())
581 output.println(" int "+fd.getSymbol()+"; /* really float */");
583 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
587 /** This method outputs TaskDescriptor information */
588 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
589 for (int i=0; i<task.numParameters(); i++) {
590 VarDescriptor param_var=task.getParameter(i);
591 TypeDescriptor param_type=task.getParamType(i);
592 FlagExpressionNode param_flag=task.getFlag(param_var);
593 TagExpressionList param_tag=task.getTag(param_var);
596 if (param_flag==null) {
597 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
598 output.println("0x0, 0x0 };");
601 DNFFlag dflag=param_flag.getDNF();
602 dnfterms=dflag.size();
604 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
605 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
606 for(int j=0; j<dflag.size(); j++) {
609 Vector term=dflag.get(j);
612 for(int k=0; k<term.size(); k++) {
613 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
614 FlagDescriptor fd=dfa.getFlag();
615 boolean negated=dfa.getNegated();
616 int flagid=1<<((Integer)flags.get(fd)).intValue();
621 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
623 output.println("};");
626 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
627 //BUG...added next line to fix, test with any task program
629 for(int j=0; j<param_tag.numTags(); j++) {
632 /* for each tag we need */
633 /* which slot it is */
634 /* what type it is */
635 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
636 TempDescriptor tmp=param_tag.getTemp(j);
637 int slot=fm.getTagInt(tmp);
638 output.println(slot+", "+state.getTagId(tvd.getTag()));
640 output.println("};");
642 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
643 output.println("/* type */"+param_type.getClassDesc().getId()+",");
644 output.println("/* number of DNF terms */"+dnfterms+",");
645 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
646 output.println("0,");
647 //BUG, added next line to fix and else statement...test
648 //with any task program
650 output.println("/* number of tags */"+param_tag.numTags()+",");
652 output.println("/* number of tags */ 0,");
653 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
654 output.println("};");
658 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
659 for (int i=0; i<task.numParameters(); i++) {
662 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
664 output.println("};");
666 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
667 output.println("&"+task.getSafeSymbol()+",");
668 output.println("/* number of parameters */" +task.numParameters() + ",");
669 int numtotal=task.numParameters()+fm.numTags();
670 output.println("/* number total parameters */" +numtotal + ",");
671 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
672 output.println("\""+task.getSymbol()+"\"");
673 output.println("};");
677 /** The buildVirtualTables method outputs the virtual dispatch
678 * tables for methods. */
680 protected void buildVirtualTables(PrintWriter outvirtual) {
681 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
682 while(classit.hasNext()) {
683 ClassDescriptor cd=(ClassDescriptor)classit.next();
684 if (virtualcalls.getMethodCount(cd)>maxcount)
685 maxcount=virtualcalls.getMethodCount(cd);
687 MethodDescriptor[][] virtualtable=null;
688 LocalityBinding[][] lbvirtualtable=null;
689 if (state.DSM||state.SINGLETM)
690 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
692 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
694 /* Fill in virtual table */
695 classit=state.getClassSymbolTable().getDescriptorsIterator();
696 while(classit.hasNext()) {
697 ClassDescriptor cd=(ClassDescriptor)classit.next();
698 if (state.DSM||state.SINGLETM)
699 fillinRow(cd, lbvirtualtable, cd.getId());
701 fillinRow(cd, virtualtable, cd.getId());
704 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
705 Iterator arrayit=state.getArrayIterator();
706 while(arrayit.hasNext()) {
707 TypeDescriptor td=(TypeDescriptor)arrayit.next();
708 int id=state.getArrayNumber(td);
709 if (state.DSM||state.SINGLETM)
710 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
712 fillinRow(objectcd, virtualtable, id+state.numClasses());
715 outvirtual.print("void * virtualtable[]={");
716 boolean needcomma=false;
717 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
718 for(int j=0; j<maxcount; j++) {
720 outvirtual.print(", ");
721 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
722 LocalityBinding lb=lbvirtualtable[i][j];
723 MethodDescriptor md=lb.getMethod();
724 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
725 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
726 MethodDescriptor md=virtualtable[i][j];
727 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
729 outvirtual.print("0");
733 outvirtual.println("");
735 outvirtual.println("};");
739 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
740 /* Get inherited methods */
741 if (cd.getSuperDesc()!=null)
742 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
743 /* Override them with our methods */
744 for(Iterator it=cd.getMethods(); it.hasNext();) {
745 MethodDescriptor md=(MethodDescriptor)it.next();
746 if (md.isStatic()||md.getReturnType()==null)
748 int methodnum=virtualcalls.getMethodNumber(md);
749 virtualtable[rownum][methodnum]=md;
753 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
754 /* Get inherited methods */
755 if (cd.getSuperDesc()!=null)
756 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
757 /* Override them with our methods */
758 if (locality.getClassBindings(cd)!=null)
759 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
760 LocalityBinding lb=lbit.next();
761 MethodDescriptor md=lb.getMethod();
762 //Is the method static or a constructor
763 if (md.isStatic()||md.getReturnType()==null)
765 int methodnum=virtualcalls.getLocalityNumber(lb);
766 virtualtable[rownum][methodnum]=lb;
770 /** Generate array that contains the sizes of class objects. The
771 * object allocation functions in the runtime use this
774 private void generateSizeArray(PrintWriter outclassdefs) {
775 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
776 outclassdefs.print("#ifdef TRANSSTATS \n");
777 outclassdefs.print("extern int numTransAbort;\n");
778 outclassdefs.print("extern int numTransCommit;\n");
779 outclassdefs.print("extern int nchashSearch;\n");
780 outclassdefs.print("extern int nmhashSearch;\n");
781 outclassdefs.print("extern int nprehashSearch;\n");
782 outclassdefs.print("extern int nRemoteSend;\n");
783 outclassdefs.print("extern int nSoftAbort;\n");
784 outclassdefs.print("extern int bytesSent;\n");
785 outclassdefs.print("extern int bytesRecv;\n");
786 outclassdefs.print("extern void handle();\n");
787 outclassdefs.print("#endif\n");
788 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
790 outclassdefs.print("int classsize[]={");
791 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
792 cdarray=new ClassDescriptor[state.numClasses()];
793 while(it.hasNext()) {
794 ClassDescriptor cd=(ClassDescriptor)it.next();
795 cdarray[cd.getId()]=cd;
797 boolean needcomma=false;
798 for(int i=0; i<state.numClasses(); i++) {
800 outclassdefs.print(", ");
801 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
805 arraytable=new TypeDescriptor[state.numArrays()];
807 Iterator arrayit=state.getArrayIterator();
808 while(arrayit.hasNext()) {
809 TypeDescriptor td=(TypeDescriptor)arrayit.next();
810 int id=state.getArrayNumber(td);
814 for(int i=0; i<state.numArrays(); i++) {
816 outclassdefs.print(", ");
817 TypeDescriptor tdelement=arraytable[i].dereference();
818 if (tdelement.isArray()||tdelement.isClass())
819 outclassdefs.print("sizeof(void *)");
821 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
825 outclassdefs.println("};");
827 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
829 outclassdefs.print("int typearray[]={");
830 for(int i=0;i<state.numClasses();i++) {
831 ClassDescriptor cd=cdarray[i];
832 ClassDescriptor supercd=cd.getSuperDesc();
834 outclassdefs.print(", ");
836 outclassdefs.print("-1");
838 outclassdefs.print(supercd.getId());
842 for(int i=0;i<state.numArrays();i++) {
843 TypeDescriptor arraytd=arraytable[i];
844 ClassDescriptor arraycd=arraytd.getClassDesc();
847 outclassdefs.print(", ");
848 outclassdefs.print(objectclass.getId());
852 ClassDescriptor cd=arraycd.getSuperDesc();
855 TypeDescriptor supertd=new TypeDescriptor(cd);
856 supertd.setArrayCount(arraytd.getArrayCount());
857 type=state.getArrayNumber(supertd);
859 type+=state.numClasses();
862 cd=cd.getSuperDesc();
865 outclassdefs.print(", ");
866 outclassdefs.print(type);
870 outclassdefs.println("};");
875 outclassdefs.print("int typearray2[]={");
876 for(int i=0;i<state.numArrays();i++) {
877 TypeDescriptor arraytd=arraytable[i];
878 ClassDescriptor arraycd=arraytd.getClassDesc();
881 outclassdefs.print(", ");
882 outclassdefs.print("-1");
886 ClassDescriptor cd=arraycd.getSuperDesc();
887 int level=arraytd.getArrayCount()-1;
889 for(;level>0;level--) {
890 TypeDescriptor supertd=new TypeDescriptor(objectclass);
891 supertd.setArrayCount(level);
892 type=state.getArrayNumber(supertd);
894 type+=state.numClasses();
899 outclassdefs.print(", ");
900 outclassdefs.print(type);
904 outclassdefs.println("};");
907 /** Constructs params and temp objects for each method or task.
908 * These objects tell the compiler which temps need to be
911 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
912 MethodDescriptor md=fm.getMethod();
913 TaskDescriptor task=fm.getTask();
914 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
915 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
917 paramstable.put(lb, objectparams);
918 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
921 paramstable.put(md, objectparams);
923 paramstable.put(task, objectparams);
925 for(int i=0; i<fm.numParameters(); i++) {
926 TempDescriptor temp=fm.getParameter(i);
927 TypeDescriptor type=temp.getType();
928 if (type.isPtr()&&GENERATEPRECISEGC)
929 objectparams.addPtr(temp);
931 objectparams.addPrim(temp);
932 if(lb!=null&&saveset.contains(temp)) {
933 backuptable.get(lb).put(temp, temp.createNew());
937 for(int i=0; i<fm.numTags(); i++) {
938 TempDescriptor temp=fm.getTag(i);
939 if (GENERATEPRECISEGC)
940 objectparams.addPtr(temp);
942 objectparams.addPrim(temp);
945 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
947 tempstable.put(lb, objecttemps);
949 tempstable.put(md, objecttemps);
951 tempstable.put(task, objecttemps);
953 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
954 FlatNode fn=(FlatNode)nodeit.next();
955 TempDescriptor[] writes=fn.writesTemps();
956 for(int i=0; i<writes.length; i++) {
957 TempDescriptor temp=writes[i];
958 TypeDescriptor type=temp.getType();
959 if (type.isPtr()&&GENERATEPRECISEGC)
960 objecttemps.addPtr(temp);
962 objecttemps.addPrim(temp);
963 if(lb!=null&&saveset.contains(temp)&&
964 !backuptable.get(lb).containsKey(temp))
965 backuptable.get(lb).put(temp, temp.createNew());
969 /* Create backup temps */
971 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
972 TempDescriptor tmp=tmpit.next();
973 TypeDescriptor type=tmp.getType();
974 if (type.isPtr()&&GENERATEPRECISEGC)
975 objecttemps.addPtr(tmp);
977 objecttemps.addPrim(tmp);
979 /* Create temp to hold revert table */
980 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
981 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
982 if (GENERATEPRECISEGC)
983 objecttemps.addPtr(reverttmp);
985 objecttemps.addPrim(reverttmp);
986 reverttable.put(lb, reverttmp);
991 /** This method outputs the following information about classes
993 * (1) For classes, what are the locations of pointers.
994 * (2) For arrays, does the array contain pointers or primitives.
995 * (3) For classes, does the class contain flags.
998 private void generateLayoutStructs(PrintWriter output) {
999 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1000 while(it.hasNext()) {
1001 ClassDescriptor cn=(ClassDescriptor)it.next();
1002 output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
1003 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1005 while(allit.hasNext()) {
1006 FieldDescriptor fd=(FieldDescriptor)allit.next();
1007 TypeDescriptor type=fd.getType();
1008 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1013 output.print(count);
1014 allit=cn.getFieldTable().getAllDescriptorsIterator();
1015 while(allit.hasNext()) {
1016 FieldDescriptor fd=(FieldDescriptor)allit.next();
1017 TypeDescriptor type=fd.getType();
1018 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1021 output.println(",");
1022 output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
1025 output.println("};");
1027 output.println("unsigned int * pointerarray[]={");
1028 boolean needcomma=false;
1029 for(int i=0; i<state.numClasses(); i++) {
1030 ClassDescriptor cn=cdarray[i];
1032 output.println(",");
1034 output.print(cn.getSafeSymbol()+"_pointers");
1037 for(int i=0; i<state.numArrays(); i++) {
1039 output.println(", ");
1040 TypeDescriptor tdelement=arraytable[i].dereference();
1041 if (tdelement.isArray()||tdelement.isClass())
1042 output.print("((unsigned int *)1)");
1048 output.println("};");
1050 output.println("int hasflags[]={");
1051 for(int i=0; i<state.numClasses(); i++) {
1052 ClassDescriptor cn=cdarray[i];
1054 output.println(", ");
1061 output.println("};");
1064 /** Print out table to give us supertypes */
1065 private void generateSuperTypeTable(PrintWriter output) {
1066 output.println("int supertypes[]={");
1067 boolean needcomma=false;
1068 for(int i=0; i<state.numClasses(); i++) {
1069 ClassDescriptor cn=cdarray[i];
1071 output.println(",");
1073 if (cn.getSuperDesc()!=null) {
1074 ClassDescriptor cdsuper=cn.getSuperDesc();
1075 output.print(cdsuper.getId());
1079 output.println("};");
1082 /** Force consistent field ordering between inherited classes. */
1084 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
1086 ClassDescriptor sp=cn.getSuperDesc();
1088 printClassStruct(sp, classdefout);
1090 if (!fieldorder.containsKey(cn)) {
1091 Vector fields=new Vector();
1092 fieldorder.put(cn,fields);
1093 if (sp==null&&!state.TASK) {
1094 fields.add(cn.getFieldTable().get("cachedCode"));
1096 Iterator fieldit=cn.getFields();
1097 while(fieldit.hasNext()) {
1098 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
1099 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
1100 (!fd.getSymbol().equals("cachedCode")||state.TASK))
1104 Vector fields=(Vector)fieldorder.get(cn);
1106 for(int i=0; i<fields.size(); i++) {
1107 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1108 if (fd.getType().isClass()||fd.getType().isArray())
1109 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1111 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1116 /* Map flags to integers consistently between inherited
1119 protected void mapFlags(ClassDescriptor cn) {
1120 ClassDescriptor sp=cn.getSuperDesc();
1124 if (!flagorder.containsKey(cn)) {
1125 Hashtable flags=new Hashtable();
1126 flagorder.put(cn,flags);
1128 Hashtable superflags=(Hashtable)flagorder.get(sp);
1129 Iterator superflagit=superflags.keySet().iterator();
1130 while(superflagit.hasNext()) {
1131 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1132 Integer number=(Integer)superflags.get(fd);
1133 flags.put(fd, number);
1134 if ((number.intValue()+1)>max)
1135 max=number.intValue()+1;
1139 Iterator flagit=cn.getFlags();
1140 while(flagit.hasNext()) {
1141 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1142 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1143 flags.put(fd, new Integer(max++));
1149 /** This function outputs (1) structures that parameters are
1150 * passed in (when PRECISE GC is enabled) and (2) function
1151 * prototypes for the methods */
1153 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1154 /* Output class structure */
1155 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1156 classdefout.println(" int type;");
1158 classdefout.println(" pthread_t tid;");
1159 classdefout.println(" void * lockentry;");
1160 classdefout.println(" int lockcount;");
1164 classdefout.println(" int flag;");
1165 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1166 classdefout.println(" void * flagptr;");
1167 } else if (state.MULTICORE) {
1168 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1169 classdefout.println(" int version;");
1170 classdefout.println(" struct ___Object___ * original;");
1171 //classdefout.println(" int numlocks;"); // array for locks
1172 classdefout.println(" int * lock;");
1174 if (state.OPTIONAL) {
1175 classdefout.println(" int numfses;");
1176 classdefout.println(" int * fses;");
1179 printClassStruct(cn, classdefout);
1180 classdefout.println("};\n");
1182 if (state.DSM||state.SINGLETM) {
1183 /* Cycle through LocalityBindings */
1184 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1185 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1187 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1188 LocalityBinding lb=lbit.next();
1189 MethodDescriptor md=lb.getMethod();
1190 if (md.getModifiers().isNative()) {
1191 //make sure we only print a native method once
1192 if (nativemethods.contains(md)) {
1193 FlatMethod fm=state.getMethodFlat(md);
1194 generateTempStructs(fm, lb);
1197 nativemethods.add(md);
1199 generateMethod(cn, md, lb, headersout, output);
1202 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1203 MethodDescriptor md=(MethodDescriptor)methodit.next();
1204 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1205 //Need to build param structure for library code
1206 FlatMethod fm=state.getMethodFlat(md);
1207 generateTempStructs(fm, null);
1208 generateMethodParam(cn, md, null, output);
1213 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1214 MethodDescriptor md=(MethodDescriptor)methodit.next();
1215 generateMethod(cn, md, null, headersout, output);
1219 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1220 /* Output parameter structure */
1221 if (GENERATEPRECISEGC) {
1222 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1223 if ((state.DSM||state.SINGLETM)&&lb!=null)
1224 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1226 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1227 output.println(" int size;");
1228 output.println(" void * next;");
1229 for(int i=0; i<objectparams.numPointers(); i++) {
1230 TempDescriptor temp=objectparams.getPointer(i);
1231 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1233 output.println("};\n");
1238 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1239 FlatMethod fm=state.getMethodFlat(md);
1240 generateTempStructs(fm, lb);
1242 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1243 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1245 generateMethodParam(cn, md, lb, output);
1247 /* Output temp structure */
1248 if (GENERATEPRECISEGC) {
1249 if (state.DSM||state.SINGLETM)
1250 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1252 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1253 output.println(" int size;");
1254 output.println(" void * next;");
1255 for(int i=0; i<objecttemps.numPointers(); i++) {
1256 TempDescriptor temp=objecttemps.getPointer(i);
1257 if (temp.getType().isNull())
1258 output.println(" void * "+temp.getSafeSymbol()+";");
1260 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1262 output.println("};\n");
1265 /********* Output method declaration ***********/
1267 /* First the return type */
1268 if (md.getReturnType()!=null) {
1269 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1270 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1272 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1274 //catch the constructor case
1275 headersout.print("void ");
1277 /* Next the method name */
1278 if (state.DSM||state.SINGLETM) {
1279 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1281 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1283 boolean printcomma=false;
1284 if (GENERATEPRECISEGC) {
1285 if (state.DSM||state.SINGLETM) {
1286 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1288 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1292 /* Output parameter list*/
1293 for(int i=0; i<objectparams.numPrimitives(); i++) {
1294 TempDescriptor temp=objectparams.getPrimitive(i);
1296 headersout.print(", ");
1298 if (temp.getType().isClass()||temp.getType().isArray())
1299 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1301 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1303 headersout.println(");\n");
1307 /** This function outputs (1) structures that parameters are
1308 * passed in (when PRECISE GC is enabled) and (2) function
1309 * prototypes for the tasks */
1311 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1312 /* Cycle through tasks */
1313 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1315 while(taskit.hasNext()) {
1316 /* Classify parameters */
1317 TaskDescriptor task=(TaskDescriptor)taskit.next();
1318 FlatMethod fm=state.getMethodFlat(task);
1319 generateTempStructs(fm, null);
1321 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1322 TempObject objecttemps=(TempObject) tempstable.get(task);
1324 /* Output parameter structure */
1325 if (GENERATEPRECISEGC) {
1326 output.println("struct "+task.getSafeSymbol()+"_params {");
1328 output.println(" int size;");
1329 output.println(" void * next;");
1330 for(int i=0; i<objectparams.numPointers(); i++) {
1331 TempDescriptor temp=objectparams.getPointer(i);
1332 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1335 output.println("};\n");
1336 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1337 maxtaskparams=objectparams.numPointers()+fm.numTags();
1341 /* Output temp structure */
1342 if (GENERATEPRECISEGC) {
1343 output.println("struct "+task.getSafeSymbol()+"_locals {");
1344 output.println(" int size;");
1345 output.println(" void * next;");
1346 for(int i=0; i<objecttemps.numPointers(); i++) {
1347 TempDescriptor temp=objecttemps.getPointer(i);
1348 if (temp.getType().isNull())
1349 output.println(" void * "+temp.getSafeSymbol()+";");
1350 else if(temp.getType().isTag())
1351 output.println(" struct "+
1352 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1354 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1356 output.println("};\n");
1359 /* Output task declaration */
1360 headersout.print("void " + task.getSafeSymbol()+"(");
1362 boolean printcomma=false;
1363 if (GENERATEPRECISEGC) {
1364 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1366 headersout.print("void * parameterarray[]");
1367 headersout.println(");\n");
1371 /***** Generate code for FlatMethod fm. *****/
1373 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1374 if (State.PRINTFLAT)
1375 System.out.println(fm.printMethod());
1376 MethodDescriptor md=fm.getMethod();
1378 TaskDescriptor task=fm.getTask();
1380 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1382 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1383 generateHeader(fm, lb, md!=null ? md : task,output);
1384 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1386 if (GENERATEPRECISEGC) {
1387 if (md!=null&&(state.DSM||state.SINGLETM))
1388 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1389 else if (md!=null&&!(state.DSM||state.SINGLETM))
1390 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1392 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1394 output.print(objecttemp.numPointers()+",");
1395 output.print(paramsprefix);
1396 for(int j=0; j<objecttemp.numPointers(); j++)
1397 output.print(", NULL");
1398 output.println("};");
1401 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1402 TempDescriptor td=objecttemp.getPrimitive(i);
1403 TypeDescriptor type=td.getType();
1405 output.println(" void * "+td.getSafeSymbol()+";");
1406 else if (type.isClass()||type.isArray())
1407 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1409 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1412 /* Check to see if we need to do a GC if this is a
1413 * multi-threaded program...*/
1415 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1416 if (state.DSM&&lb.isAtomic())
1417 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1419 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1422 generateCode( fm.getNext(0), fm, lb, null, output );
1424 output.println("}\n\n");
1428 protected void generateMethodSESE( FlatSESEEnterNode fsen,
1431 PrintWriter output ) {
1433 //output.println( "void _SESE"+fsen.getPrettyIdentifier()+
1435 //generateCode( fsen.getNext(0), fm, lb, fsen.getFlatExit(), output );
1436 //output.println( "}\n\n" );
1439 output.println("struct sese"+faen.getPrettyIdentifier()+"in {");
1440 Iterator<TempDescriptor> itr = faen.getInVarSet().iterator();
1441 while( itr.hasNext() ) {
1442 TempDescriptor td = itr.next();
1443 output.println(" "+td+";");
1445 output.println("}");
1447 output.println("struct sese"+faen.getPrettyIdentifier()+"out {");
1448 itr = faen.getOutVarSet().iterator();
1449 while( itr.hasNext() ) {
1450 TempDescriptor td = itr.next();
1451 output.println(" "+td+";");
1453 output.println("}");
1459 protected void generateCode( FlatNode first,
1462 FlatSESEExitNode stop,
1463 PrintWriter output ) {
1465 /* Assign labels to FlatNode's if necessary.*/
1466 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(first);
1468 /* Do the actual code generation */
1469 FlatNode current_node=null;
1470 HashSet tovisit=new HashSet();
1471 HashSet visited=new HashSet();
1473 while(current_node!=null||!tovisit.isEmpty()) {
1474 if (current_node==null) {
1475 current_node=(FlatNode)tovisit.iterator().next();
1476 tovisit.remove(current_node);
1477 } else if (tovisit.contains(current_node)){
1478 tovisit.remove(current_node);
1480 if(current_node==stop) { return; }
1481 visited.add(current_node);
1482 if (nodetolabel.containsKey(current_node))
1483 output.println("L"+nodetolabel.get(current_node)+":");
1484 if (state.INSTRUCTIONFAILURE) {
1485 if (state.THREAD||state.DSM||state.SINGLETM) {
1486 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1488 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1490 if (current_node.numNext()==0) {
1492 generateFlatNode(fm, lb, current_node, output);
1493 if (current_node.kind()!=FKind.FlatReturnNode) {
1494 output.println(" return;");
1497 } else if(current_node.numNext()==1) {
1499 if (state.MLP && current_node.kind()==FKind.FlatSESEEnterNode) {
1500 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
1502 setSESEtoGen.add(fsen);
1503 fsen.setEnclosingFlatMeth(fm);
1505 nextnode=fsen.getFlatExit().getNext(0);
1508 generateFlatNode(fm, lb, current_node, output);
1509 nextnode=current_node.getNext(0);
1511 if (visited.contains(nextnode)) {
1512 output.println("goto L"+nodetolabel.get(nextnode)+";");
1515 current_node=nextnode;
1516 } else if (current_node.numNext()==2) {
1519 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1520 if (!visited.contains(current_node.getNext(1)))
1521 tovisit.add(current_node.getNext(1));
1522 if (visited.contains(current_node.getNext(0))) {
1523 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1526 current_node=current_node.getNext(0);
1527 } else throw new Error();
1532 /** This method assigns labels to FlatNodes */
1534 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first) {
1535 HashSet tovisit=new HashSet();
1536 HashSet visited=new HashSet();
1538 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1541 /*Assign labels first. A node needs a label if the previous
1542 * node has two exits or this node is a join point. */
1544 while(!tovisit.isEmpty()) {
1545 FlatNode fn=(FlatNode)tovisit.iterator().next();
1548 for(int i=0; i<fn.numNext(); i++) {
1549 FlatNode nn=fn.getNext(i);
1551 //1) Edge >1 of node
1552 nodetolabel.put(nn,new Integer(labelindex++));
1554 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1558 nodetolabel.put(nn,new Integer(labelindex++));
1566 /** Generate text string that corresponds to the TempDescriptor td. */
1567 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1568 MethodDescriptor md=fm.getMethod();
1569 TaskDescriptor task=fm.getTask();
1570 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1571 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1572 //System.out.println("generateTemp returns " + td.getSafeSymbol());
1573 return td.getSafeSymbol();
1576 if (objecttemps.isLocalPtr(td)) {
1577 return localsprefix+"."+td.getSafeSymbol();
1580 if (objecttemps.isParamPtr(td)) {
1581 return paramsprefix+"->"+td.getSafeSymbol();
1586 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1588 case FKind.FlatAtomicEnterNode:
1589 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1592 case FKind.FlatAtomicExitNode:
1593 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1596 case FKind.FlatInstanceOfNode:
1597 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
1600 case FKind.FlatSESEEnterNode:
1604 case FKind.FlatSESEExitNode:
1608 case FKind.FlatGlobalConvNode:
1609 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1612 case FKind.FlatTagDeclaration:
1613 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1616 case FKind.FlatCall:
1617 generateFlatCall(fm, lb, (FlatCall) fn,output);
1620 case FKind.FlatFieldNode:
1621 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1624 case FKind.FlatElementNode:
1625 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1628 case FKind.FlatSetElementNode:
1629 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1632 case FKind.FlatSetFieldNode:
1633 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1637 generateFlatNew(fm, lb, (FlatNew) fn,output);
1640 case FKind.FlatOpNode:
1641 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1644 case FKind.FlatCastNode:
1645 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1648 case FKind.FlatLiteralNode:
1649 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1652 case FKind.FlatReturnNode:
1653 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1657 output.println("/* nop */");
1660 case FKind.FlatExit:
1661 output.println("/* exit */");
1664 case FKind.FlatBackEdge:
1665 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1666 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1667 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1669 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1671 output.println("/* nop */");
1674 case FKind.FlatCheckNode:
1675 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1678 case FKind.FlatFlagActionNode:
1679 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1682 case FKind.FlatPrefetchNode:
1683 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1686 case FKind.FlatOffsetNode:
1687 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
1693 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
1694 output.println("/* FlatOffsetNode */");
1695 FieldDescriptor fd=fofn.getField();
1696 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+");");
1697 output.println("/* offset */");
1700 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1701 if (state.PREFETCH) {
1702 Vector oids = new Vector();
1703 Vector fieldoffset = new Vector();
1704 Vector endoffset = new Vector();
1705 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1706 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
1707 PrefetchPair pp = (PrefetchPair) it.next();
1708 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1709 /* Find prefetches that can generate oid */
1710 if(statusbase == LocalityAnalysis.GLOBAL) {
1711 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1713 } else if (statusbase == LocalityAnalysis.LOCAL) {
1714 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1721 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
1722 output.println("{");
1723 output.println("/* prefetch */");
1724 output.println("/* prefetchid_" + fpn.siteid + " */");
1725 output.println("void * prefptr;");
1726 output.println("int tmpindex;");
1728 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1729 /*Create C code for oid array */
1730 output.print(" unsigned int oidarray_[] = {");
1731 boolean needcomma=false;
1732 for (Iterator it = oids.iterator(); it.hasNext();) {
1735 output.print(it.next());
1738 output.println("};");
1740 /*Create C code for endoffset values */
1741 output.print(" unsigned short endoffsetarry_[] = {");
1743 for (Iterator it = endoffset.iterator(); it.hasNext();) {
1746 output.print(it.next());
1749 output.println("};");
1751 /*Create C code for Field Offset Values */
1752 output.print(" short fieldarry_[] = {");
1754 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
1757 output.print(it.next());
1760 output.println("};");
1761 /* make the prefetch call to Runtime */
1762 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1763 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1764 output.println(" }");
1765 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1766 output.println(" } else {");
1767 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1768 output.println(" }");
1769 output.println("}");
1773 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1774 short offsetcount = 0;
1778 } else if (localbase) {
1779 for(; breakindex<pp.desc.size(); breakindex++) {
1780 Descriptor desc=pp.getDescAt(breakindex);
1781 if (desc instanceof FieldDescriptor) {
1782 FieldDescriptor fd=(FieldDescriptor)desc;
1783 if (fd.isGlobal()) {
1791 if (breakindex>pp.desc.size()) //all local
1794 TypeDescriptor lasttype=pp.base.getType();
1795 String basestr=generateTemp(fm, pp.base, lb);
1797 boolean maybenull=fm.getMethod().isStatic()||
1798 !pp.base.equals(fm.getParameter(0));
1800 for(int i=0; i<breakindex; i++) {
1801 String indexcheck="";
1803 Descriptor desc=pp.getDescAt(i);
1804 if (desc instanceof FieldDescriptor) {
1805 FieldDescriptor fd=(FieldDescriptor)desc;
1807 if (!teststr.equals(""))
1809 teststr+="((prefptr="+basestr+")!=NULL)";
1810 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
1812 basestr=basestr+"->"+fd.getSafeSymbol();
1815 lasttype=fd.getType();
1817 IndexDescriptor id=(IndexDescriptor)desc;
1818 indexcheck="((tmpindex=";
1819 for(int j=0; j<id.tddesc.size(); j++) {
1820 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
1822 indexcheck+=id.offset+")>=0)&&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
1824 if (!teststr.equals(""))
1826 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
1827 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
1829 lasttype=lasttype.dereference();
1834 if (teststr.equals("")) {
1835 oid="((unsigned int)"+basestr+")";
1837 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
1841 for(int i = breakindex; i < pp.desc.size(); i++) {
1842 String newfieldoffset;
1843 Object desc = pp.getDescAt(i);
1844 if(desc instanceof FieldDescriptor) {
1845 FieldDescriptor fd=(FieldDescriptor)desc;
1846 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
1847 lasttype=fd.getType();
1849 newfieldoffset = "";
1850 IndexDescriptor id=(IndexDescriptor)desc;
1851 for(int j = 0; j < id.tddesc.size(); j++) {
1852 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
1854 newfieldoffset += id.offset.toString();
1855 lasttype=lasttype.dereference();
1857 fieldoffset.add(newfieldoffset);
1860 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
1861 base+=pp.desc.size()-breakindex;
1862 endoffset.add(new Short((short)base));
1867 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1868 if (lb!=fgcn.getLocality())
1870 /* Have to generate flat globalconv */
1871 if (fgcn.getMakePtr()) {
1873 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1875 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1878 /* Need to convert to OID */
1879 if (fgcn.doConvert()) {
1880 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1882 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
1887 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
1889 if (fion.getType().isArray()) {
1890 type=state.getArrayNumber(fion.getType())+state.numClasses();
1892 type=fion.getType().getClassDesc().getId();
1895 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
1896 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
1898 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
1901 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1902 /* Check to see if we need to generate code for this atomic */
1903 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1905 /* Backup the temps. */
1906 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1907 TempDescriptor tmp=tmpit.next();
1908 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1911 output.println("goto transstart"+faen.getIdentifier()+";");
1913 /******* Print code to retry aborted transaction *******/
1914 output.println("transretry"+faen.getIdentifier()+":");
1917 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1918 TempDescriptor tmp=tmpit.next();
1919 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
1923 /********* Need to revert local object store ********/
1924 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1926 output.println("while ("+revertptr+") {");
1927 output.println("struct ___Object___ * tmpptr;");
1928 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1929 output.println("REVERT_OBJ("+revertptr+");");
1930 output.println(revertptr+"=tmpptr;");
1931 output.println("}");
1933 /******* Tell the runtime to start the transaction *******/
1935 output.println("transstart"+faen.getIdentifier()+":");
1936 output.println("transStart();");
1938 if (state.ABORTREADERS) {
1939 output.println("if (_setjmp(aborttrans)) {");
1940 output.println(" goto transretry"+faen.getIdentifier()+"; }");
1944 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1945 /* Check to see if we need to generate code for this atomic */
1946 if (locality.getAtomic(lb).get(faen).intValue()>0)
1948 //store the revert list before we lose the transaction object
1949 String revertptr=null;
1951 revertptr=generateTemp(fm, reverttable.get(lb),lb);
1952 output.println(revertptr+"=revertlist;");
1954 output.println("if (transCommit()) {");
1955 /* Transaction aborts if it returns true */
1956 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1958 output.println("} else {");
1959 /* Need to commit local object store */
1960 output.println("while ("+revertptr+") {");
1961 output.println("struct ___Object___ * tmpptr;");
1962 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1963 output.println("COMMIT_OBJ("+revertptr+");");
1964 output.println(revertptr+"=tmpptr;");
1965 output.println("}");
1967 output.println("}");
1971 public void generateSESE(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
1976 public void generateFlatSESEEnterNode(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
1979 public void generateFlatSESEExitNode(FlatMethod fm, LocalityBinding lb, FlatSESEExitNode faen, PrintWriter output) {
1980 //output.println("mlpNotifyExit( (struct SESE*)0 );");
1983 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
1984 if (state.CONSCHECK) {
1985 String specname=fcn.getSpec();
1986 String varname="repairstate___";
1987 output.println("{");
1988 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1990 TempDescriptor[] temps=fcn.getTemps();
1991 String[] vars=fcn.getVars();
1992 for(int i=0; i<temps.length; i++) {
1993 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
1996 output.println("if (doanalysis"+specname+"("+varname+")) {");
1997 output.println("free"+specname+"_state("+varname+");");
1998 output.println("} else {");
1999 output.println("/* Bad invariant */");
2000 output.println("free"+specname+"_state("+varname+");");
2001 output.println("abort_task();");
2002 output.println("}");
2003 output.println("}");
2007 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
2008 MethodDescriptor md=fc.getMethod();
2009 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM||state.SINGLETM ? locality.getBinding(lb, fc) : md);
2010 ClassDescriptor cn=md.getClassDesc();
2011 output.println("{");
2012 if (GENERATEPRECISEGC) {
2013 if (state.DSM||state.SINGLETM) {
2014 LocalityBinding fclb=locality.getBinding(lb, fc);
2015 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2017 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2019 output.print(objectparams.numPointers());
2020 output.print(", & "+localsprefix);
2021 if (md.getThis()!=null) {
2023 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
2025 if (fc.getThis()!=null&&md.getThis()==null) {
2026 System.out.println("WARNING!!!!!!!!!!!!");
2027 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2031 for(int i=0; i<fc.numArgs(); i++) {
2032 Descriptor var=md.getParameter(i);
2033 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2034 if (objectparams.isParamPtr(paramtemp)) {
2035 TempDescriptor targ=fc.getArg(i);
2037 TypeDescriptor td=md.getParamType(i);
2039 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2041 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2044 output.println("};");
2049 if (fc.getReturnTemp()!=null)
2050 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
2052 /* Do we need to do virtual dispatch? */
2053 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
2055 if (state.DSM||state.SINGLETM) {
2056 LocalityBinding fclb=locality.getBinding(lb, fc);
2057 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2059 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2064 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2065 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2067 output.print(md.getReturnType().getSafeSymbol()+" ");
2068 output.print("(*)(");
2070 boolean printcomma=false;
2071 if (GENERATEPRECISEGC) {
2072 if (state.DSM||state.SINGLETM) {
2073 LocalityBinding fclb=locality.getBinding(lb, fc);
2074 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2076 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2080 for(int i=0; i<objectparams.numPrimitives(); i++) {
2081 TempDescriptor temp=objectparams.getPrimitive(i);
2085 if (temp.getType().isClass()||temp.getType().isArray())
2086 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2088 output.print(temp.getType().getSafeSymbol());
2092 if (state.DSM||state.SINGLETM) {
2093 LocalityBinding fclb=locality.getBinding(lb, fc);
2094 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
2096 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2100 boolean needcomma=false;
2101 if (GENERATEPRECISEGC) {
2102 output.print("&__parameterlist__");
2106 if (!GENERATEPRECISEGC) {
2107 if (fc.getThis()!=null) {
2108 TypeDescriptor ptd=md.getThis().getType();
2111 if (ptd.isClass()&&!ptd.isArray())
2112 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2113 output.print(generateTemp(fm,fc.getThis(),lb));
2118 for(int i=0; i<fc.numArgs(); i++) {
2119 Descriptor var=md.getParameter(i);
2120 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2121 if (objectparams.isParamPrim(paramtemp)) {
2122 TempDescriptor targ=fc.getArg(i);
2126 TypeDescriptor ptd=md.getParamType(i);
2127 if (ptd.isClass()&&!ptd.isArray())
2128 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2129 output.print(generateTemp(fm, targ,lb));
2133 output.println(");");
2134 output.println(" }");
2137 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2138 Set subclasses=typeutil.getSubClasses(thiscd);
2139 if (subclasses==null)
2141 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
2142 ClassDescriptor cd=(ClassDescriptor)classit.next();
2143 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
2144 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
2145 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2146 if (md.matches(matchmd))
2153 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
2154 if (state.SINGLETM) {
2155 //single machine transactional memory case
2156 String field=ffn.getField().getSafeSymbol();
2157 String src=generateTemp(fm, ffn.getSrc(),lb);
2158 String dst=generateTemp(fm, ffn.getDst(),lb);
2160 output.println(dst+"="+ src +"->"+field+ ";");
2161 if (ffn.getField().getType().isPtr()&&locality.getAtomic(lb).get(ffn).intValue()>0) {
2162 output.println("TRANSREAD("+dst+", "+dst+");");
2164 } else if (state.DSM) {
2165 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
2166 if (status==LocalityAnalysis.GLOBAL) {
2167 String field=ffn.getField().getSafeSymbol();
2168 String src=generateTemp(fm, ffn.getSrc(),lb);
2169 String dst=generateTemp(fm, ffn.getDst(),lb);
2171 if (ffn.getField().getType().isPtr()) {
2173 //TODO: Uncomment this when we have runtime support
2174 //if (ffn.getSrc()==ffn.getDst()) {
2175 //output.println("{");
2176 //output.println("void * temp="+src+";");
2177 //output.println("if (temp&0x1) {");
2178 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
2179 //output.println(src+"->"+field+"="+temp+";");
2180 //output.println("}");
2181 //output.println(dst+"=temp;");
2182 //output.println("}");
2184 output.println(dst+"="+ src +"->"+field+ ";");
2185 //output.println("if ("+dst+"&0x1) {");
2186 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2187 //output.println(src+"->"+field+"="+src+"->"+field+";");
2188 //output.println("}");
2191 output.println(dst+"="+ src+"->"+field+";");
2193 } else if (status==LocalityAnalysis.LOCAL) {
2194 if (ffn.getField().getType().isPtr()&&
2195 ffn.getField().isGlobal()) {
2196 String field=ffn.getField().getSafeSymbol();
2197 String src=generateTemp(fm, ffn.getSrc(),lb);
2198 String dst=generateTemp(fm, ffn.getDst(),lb);
2199 output.println(dst+"="+ src +"->"+field+ ";");
2200 if (locality.getAtomic(lb).get(ffn).intValue()>0)
2201 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2203 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2204 } else if (status==LocalityAnalysis.EITHER) {
2205 //Code is reading from a null pointer
2206 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
2207 output.println("#ifndef RAW");
2208 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2209 output.println("#endif");
2210 //This should throw a suitable null pointer error
2211 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2213 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2215 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2219 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
2220 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2221 throw new Error("Can't set array length");
2222 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2223 //Single Machine Transaction Case
2224 boolean srcptr=fsfn.getSrc().getType().isPtr();
2225 String src=generateTemp(fm,fsfn.getSrc(),lb);
2226 String dst=generateTemp(fm,fsfn.getDst(),lb);
2228 output.println("{");
2229 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2231 if (wb.needBarrier(fsfn))
2232 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
2234 output.println("*((unsigned int *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2235 output.println("}");
2237 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2239 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2240 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
2241 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
2242 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2244 String src=generateTemp(fm,fsfn.getSrc(),lb);
2245 String dst=generateTemp(fm,fsfn.getDst(),lb);
2247 output.println("{");
2248 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2250 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2253 if (wb.needBarrier(fsfn))
2254 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2256 output.println("*((unsigned int *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2258 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2259 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2260 /** Check if we need to copy */
2261 output.println("if(!"+dst+"->"+localcopystr+") {");
2262 /* Link object into list */
2263 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2264 output.println(revertptr+"=revertlist;");
2265 if (GENERATEPRECISEGC)
2266 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2268 output.println("COPY_OBJ("+dst+");");
2269 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2270 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2271 output.println("}");
2273 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2275 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2276 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2277 //writing to a null...bad
2278 output.println("if ("+dst+") {");
2279 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2281 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2283 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2286 output.println("}");
2289 if (state.FASTCHECK) {
2290 String dst=generateTemp(fm, fsfn.getDst(),lb);
2291 output.println("if(!"+dst+"->"+localcopystr+") {");
2292 /* Link object into list */
2293 if (GENERATEPRECISEGC)
2294 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2296 output.println("COPY_OBJ("+dst+");");
2297 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2298 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2299 output.println("}");
2301 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2305 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2306 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2309 if (elementtype.isArray()||elementtype.isClass())
2312 type=elementtype.getSafeSymbol()+" ";
2314 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2315 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2316 output.println("failedboundschk();");
2318 if (state.SINGLETM) {
2319 //Single machine transaction case
2320 String dst=generateTemp(fm, fen.getDst(),lb);
2321 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2323 if (elementtype.isPtr()&&locality.getAtomic(lb).get(fen).intValue()>0) {
2324 output.println("TRANSREAD("+dst+", "+dst+");");
2326 } else if (state.DSM) {
2327 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2328 if (status==LocalityAnalysis.GLOBAL) {
2329 String dst=generateTemp(fm, fen.getDst(),lb);
2331 if (elementtype.isPtr()) {
2332 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2333 output.println("TRANSREAD("+dst+", "+dst+");");
2335 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2337 } else if (status==LocalityAnalysis.LOCAL) {
2338 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2339 } else if (status==LocalityAnalysis.EITHER) {
2340 //Code is reading from a null pointer
2341 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2342 output.println("#ifndef RAW");
2343 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2344 output.println("#endif");
2345 //This should throw a suitable null pointer error
2346 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2348 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2350 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2354 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2355 //TODO: need dynamic check to make sure this assignment is actually legal
2356 //Because Object[] could actually be something more specific...ie. Integer[]
2358 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2361 if (elementtype.isArray()||elementtype.isClass())
2364 type=elementtype.getSafeSymbol()+" ";
2366 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2367 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2368 output.println("failedboundschk();");
2371 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2372 //Transaction set element case
2373 if (wb.needBarrier(fsen))
2374 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
2375 if (fsen.getSrc().getType().isPtr()) {
2376 output.println("{");
2377 String src=generateTemp(fm, fsen.getSrc(), lb);
2378 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2379 output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2380 output.println("}");
2382 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2384 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2385 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2386 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2387 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2388 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2389 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2392 if (wb.needBarrier(fsen))
2393 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2394 } else if (dstlocal) {
2395 /** Check if we need to copy */
2396 String dst=generateTemp(fm, fsen.getDst(),lb);
2397 output.println("if(!"+dst+"->"+localcopystr+") {");
2398 /* Link object into list */
2399 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2400 output.println(revertptr+"=revertlist;");
2401 if (GENERATEPRECISEGC)
2402 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2404 output.println("COPY_OBJ("+dst+");");
2405 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2406 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2407 output.println("}");
2408 } else throw new Error("Unknown array type");
2410 output.println("{");
2411 String src=generateTemp(fm, fsen.getSrc(), lb);
2412 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2413 output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2414 output.println("}");
2416 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2419 if (state.FASTCHECK) {
2420 String dst=generateTemp(fm, fsen.getDst(),lb);
2421 output.println("if(!"+dst+"->"+localcopystr+") {");
2422 /* Link object into list */
2423 if (GENERATEPRECISEGC)
2424 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2426 output.println("COPY_OBJ("+dst+");");
2427 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2428 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2429 output.println("}");
2431 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2435 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2436 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2437 //Stash pointer in case of GC
2438 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2439 output.println(revertptr+"=revertlist;");
2441 if (state.SINGLETM) {
2442 if (fn.getType().isArray()) {
2443 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2444 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2445 //inside transaction
2446 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2448 //outside transaction
2449 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2452 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2453 //inside transaction
2454 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2456 //outside transaction
2457 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2460 } else if (fn.getType().isArray()) {
2461 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2462 if (fn.isGlobal()) {
2463 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2464 } else if (GENERATEPRECISEGC) {
2465 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2467 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2470 if (fn.isGlobal()) {
2471 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
2472 } else if (GENERATEPRECISEGC) {
2473 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2475 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2478 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2479 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2480 String dst=generateTemp(fm,fn.getDst(),lb);
2481 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2482 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2483 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2485 if (state.FASTCHECK) {
2486 String dst=generateTemp(fm,fn.getDst(),lb);
2487 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2488 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2489 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2493 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2494 if (GENERATEPRECISEGC) {
2495 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2497 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2501 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2502 if (fon.getRight()!=null) {
2503 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2504 if (fon.getLeft().getType().isLong())
2505 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2507 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2510 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2511 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2512 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2513 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2514 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2515 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2516 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2517 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2518 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2519 else if (fon.getOp().getOp()==Operation.COMP)
2520 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2521 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2522 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2524 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2527 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2528 /* TODO: Do type check here */
2529 if (fcn.getType().isArray()) {
2531 } else if (fcn.getType().isClass())
2532 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2534 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2537 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2538 if (fln.getValue()==null)
2539 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2540 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2541 if (GENERATEPRECISEGC) {
2542 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2543 //Stash pointer in case of GC
2544 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2545 output.println(revertptr+"=revertlist;");
2547 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2548 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2549 //Stash pointer in case of GC
2550 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2551 output.println("revertlist="+revertptr+";");
2554 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2556 } else if (fln.getType().isBoolean()) {
2557 if (((Boolean)fln.getValue()).booleanValue())
2558 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2560 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2561 } else if (fln.getType().isChar()) {
2562 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2563 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2564 } else if (fln.getType().isLong()) {
2565 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2567 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2570 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2571 if (frn.getReturnTemp()!=null) {
2572 if (frn.getReturnTemp().getType().isPtr())
2573 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2575 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2577 output.println("return;");
2581 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2582 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2585 /** This method generates header information for the method or
2586 * task referenced by the Descriptor des. */
2588 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2590 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2591 MethodDescriptor md=null;
2592 TaskDescriptor task=null;
2593 if (des instanceof MethodDescriptor)
2594 md=(MethodDescriptor) des;
2596 task=(TaskDescriptor) des;
2598 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2600 if (md!=null&&md.getReturnType()!=null) {
2601 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2602 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2604 output.print(md.getReturnType().getSafeSymbol()+" ");
2606 //catch the constructor case
2607 output.print("void ");
2609 if (state.DSM||state.SINGLETM) {
2610 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2612 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2614 output.print(task.getSafeSymbol()+"(");
2616 boolean printcomma=false;
2617 if (GENERATEPRECISEGC) {
2619 if (state.DSM||state.SINGLETM) {
2620 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2622 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2624 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2630 for(int i=0; i<objectparams.numPrimitives(); i++) {
2631 TempDescriptor temp=objectparams.getPrimitive(i);
2635 if (temp.getType().isClass()||temp.getType().isArray())
2636 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2638 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2640 output.println(") {");
2641 } else if (!GENERATEPRECISEGC) {
2642 /* Imprecise Task */
2643 output.println("void * parameterarray[]) {");
2644 /* Unpack variables */
2645 for(int i=0; i<objectparams.numPrimitives(); i++) {
2646 TempDescriptor temp=objectparams.getPrimitive(i);
2647 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2649 for(int i=0; i<fm.numTags(); i++) {
2650 TempDescriptor temp=fm.getTag(i);
2651 int offset=i+objectparams.numPrimitives();
2652 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2655 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2656 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2657 } else output.println(") {");
2660 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2661 output.println("/* FlatFlagActionNode */");
2664 /* Process tag changes */
2665 Relation tagsettable=new Relation();
2666 Relation tagcleartable=new Relation();
2668 Iterator tagsit=ffan.getTempTagPairs();
2669 while (tagsit.hasNext()) {
2670 TempTagPair ttp=(TempTagPair) tagsit.next();
2671 TempDescriptor objtmp=ttp.getTemp();
2672 TagDescriptor tag=ttp.getTag();
2673 TempDescriptor tagtmp=ttp.getTagTemp();
2674 boolean tagstatus=ffan.getTagChange(ttp);
2676 tagsettable.put(objtmp, tagtmp);
2678 tagcleartable.put(objtmp, tagtmp);
2683 Hashtable flagandtable=new Hashtable();
2684 Hashtable flagortable=new Hashtable();
2686 /* Process flag changes */
2687 Iterator flagsit=ffan.getTempFlagPairs();
2688 while(flagsit.hasNext()) {
2689 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2690 TempDescriptor temp=tfp.getTemp();
2691 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2692 FlagDescriptor flag=tfp.getFlag();
2694 //Newly allocate objects that don't set any flags case
2695 if (flagortable.containsKey(temp)) {
2699 flagortable.put(temp,new Integer(mask));
2701 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2702 boolean flagstatus=ffan.getFlagChange(tfp);
2705 if (flagortable.containsKey(temp)) {
2706 mask=((Integer)flagortable.get(temp)).intValue();
2709 flagortable.put(temp,new Integer(mask));
2711 int mask=0xFFFFFFFF;
2712 if (flagandtable.containsKey(temp)) {
2713 mask=((Integer)flagandtable.get(temp)).intValue();
2715 mask&=(0xFFFFFFFF^flagid);
2716 flagandtable.put(temp,new Integer(mask));
2722 HashSet flagtagset=new HashSet();
2723 flagtagset.addAll(flagortable.keySet());
2724 flagtagset.addAll(flagandtable.keySet());
2725 flagtagset.addAll(tagsettable.keySet());
2726 flagtagset.addAll(tagcleartable.keySet());
2728 Iterator ftit=flagtagset.iterator();
2729 while(ftit.hasNext()) {
2730 TempDescriptor temp=(TempDescriptor)ftit.next();
2733 Set tagtmps=tagcleartable.get(temp);
2734 if (tagtmps!=null) {
2735 Iterator tagit=tagtmps.iterator();
2736 while(tagit.hasNext()) {
2737 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2738 if (GENERATEPRECISEGC)
2739 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2741 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2745 tagtmps=tagsettable.get(temp);
2746 if (tagtmps!=null) {
2747 Iterator tagit=tagtmps.iterator();
2748 while(tagit.hasNext()) {
2749 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2750 if (GENERATEPRECISEGC)
2751 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2753 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2758 int andmask=0xFFFFFFF;
2760 if (flagortable.containsKey(temp))
2761 ormask=((Integer)flagortable.get(temp)).intValue();
2762 if (flagandtable.containsKey(temp))
2763 andmask=((Integer)flagandtable.get(temp)).intValue();
2764 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2765 generateObjectDistribute(ffan, fm, lb, temp, output);
2769 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2770 PrintWriter output, int ormask, int andmask) {
2771 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2772 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2774 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2778 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2779 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
2782 void generateOptionalHeader(PrintWriter headers) {
2785 headers.println("#include \"task.h\"\n\n");
2786 headers.println("#ifndef _OPTIONAL_STRUCT_");
2787 headers.println("#define _OPTIONAL_STRUCT_");
2789 //STRUCT PREDICATEMEMBER
2790 headers.println("struct predicatemember{");
2791 headers.println("int type;");
2792 headers.println("int numdnfterms;");
2793 headers.println("int * flags;");
2794 headers.println("int numtags;");
2795 headers.println("int * tags;\n};\n\n");
2797 //STRUCT OPTIONALTASKDESCRIPTOR
2798 headers.println("struct optionaltaskdescriptor{");
2799 headers.println("struct taskdescriptor * task;");
2800 headers.println("int index;");
2801 headers.println("int numenterflags;");
2802 headers.println("int * enterflags;");
2803 headers.println("int numpredicatemembers;");
2804 headers.println("struct predicatemember ** predicatememberarray;");
2805 headers.println("};\n\n");
2807 //STRUCT TASKFAILURE
2808 headers.println("struct taskfailure {");
2809 headers.println("struct taskdescriptor * task;");
2810 headers.println("int index;");
2811 headers.println("int numoptionaltaskdescriptors;");
2812 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2814 //STRUCT FSANALYSISWRAPPER
2815 headers.println("struct fsanalysiswrapper{");
2816 headers.println("int flags;");
2817 headers.println("int numtags;");
2818 headers.println("int * tags;");
2819 headers.println("int numtaskfailures;");
2820 headers.println("struct taskfailure ** taskfailurearray;");
2821 headers.println("int numoptionaltaskdescriptors;");
2822 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2824 //STRUCT CLASSANALYSISWRAPPER
2825 headers.println("struct classanalysiswrapper{");
2826 headers.println("int type;");
2827 headers.println("int numotd;");
2828 headers.println("struct optionaltaskdescriptor ** otdarray;");
2829 headers.println("int numfsanalysiswrappers;");
2830 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2832 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2834 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2835 while(taskit.hasNext()) {
2836 TaskDescriptor td=(TaskDescriptor)taskit.next();
2837 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2842 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2843 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2844 int predicateindex = 0;
2845 //iterate through the classes concerned by the predicate
2846 Set c_vard = predicate.vardescriptors;
2847 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2850 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
2851 VarDescriptor vard = (VarDescriptor)vard_it.next();
2852 TypeDescriptor typed = vard.getType();
2854 //generate for flags
2855 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2856 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2858 if (fen_hashset!=null) {
2859 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
2860 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2862 DNFFlag dflag=fen.getDNF();
2863 numberterms+=dflag.size();
2865 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2867 for(int j=0; j<dflag.size(); j++) {
2869 output.println(",");
2870 Vector term=dflag.get(j);
2873 for(int k=0; k<term.size(); k++) {
2874 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2875 FlagDescriptor fd=dfa.getFlag();
2876 boolean negated=dfa.getNegated();
2877 int flagid=1<<((Integer)flags.get(fd)).intValue();
2882 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2887 output.println("};\n");
2890 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2891 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2894 for(int j=0; j<tagel.numTags(); j++) {
2896 output.println(",");
2897 TempDescriptor tmp=tagel.getTemp(j);
2898 if (!slotnumber.containsKey(tmp)) {
2899 Integer slotint=new Integer(current_slot++);
2900 slotnumber.put(tmp,slotint);
2902 int slot=slotnumber.get(tmp).intValue();
2903 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2905 numtags = tagel.numTags();
2907 output.println("};");
2909 //store the result into a predicatemember struct
2910 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2911 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2912 output.println("/* number of dnf terms */"+numberterms+",");
2913 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2914 output.println("/* number of tag */"+numtags+",");
2915 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2916 output.println("};\n");
2921 //generate an array that stores the entire predicate
2922 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2923 for( int j = 0; j<predicateindex; j++) {
2924 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2925 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2927 output.println("};\n");
2928 return predicateindex;
2932 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2933 generateOptionalHeader(headers);
2935 output.println("#include \"optionalstruct.h\"\n\n");
2936 output.println("#include \"stdlib.h\"\n");
2938 HashSet processedcd = new HashSet();
2940 Enumeration e = safeexecution.keys();
2941 while (e.hasMoreElements()) {
2944 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2945 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
2947 //Generate the struct of optionals
2948 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2949 numotd = c_otd.size();
2950 if(maxotd<numotd) maxotd = numotd;
2951 if( !c_otd.isEmpty() ) {
2952 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2953 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2955 //generate the int arrays for the predicate
2956 Predicate predicate = otd.predicate;
2957 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
2958 TreeSet<Integer> fsset=new TreeSet<Integer>();
2959 //iterate through possible FSes corresponding to
2960 //the state when entering
2962 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
2963 FlagState fs = (FlagState)fses.next();
2965 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
2966 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2967 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2970 fsset.add(new Integer(flagid));
2971 //tag information not needed because tag
2972 //changes are not tolerated.
2975 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2976 boolean needcomma=false;
2977 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
2980 output.println(it.next());
2983 output.println("};\n");
2986 //generate optionaltaskdescriptor that actually
2987 //includes exit fses, predicate and the task
2989 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2990 output.println("&task_"+otd.td.getSafeSymbol()+",");
2991 output.println("/*index*/"+otd.getIndex()+",");
2992 output.println("/*number of enter flags*/"+fsset.size()+",");
2993 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2994 output.println("/*number of members */"+predicateindex+",");
2995 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2996 output.println("};\n");
3000 // if there are no optionals, there is no need to build the rest of the struct
3002 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3003 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3004 if( !c_otd.isEmpty() ) {
3005 boolean needcomma=false;
3006 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3007 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3009 output.println(",");
3011 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3014 output.println("};\n");
3016 //get all the possible flagstates reachable by an object
3017 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3019 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3020 fsts.addAll(hashtbtemp.keySet());
3021 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
3022 FlagState fs = (FlagState)fsit.next();
3025 //get the set of OptionalTaskDescriptors corresponding
3026 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3027 //iterate through the OptionalTaskDescriptors and
3028 //store the pointers to the optionals struct (see on
3029 //top) into an array
3031 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3032 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
3033 OptionalTaskDescriptor mm = mos.next();
3035 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3037 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3040 output.println("};\n");
3042 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3045 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3046 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3047 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3051 //process tag information
3054 boolean first = true;
3055 Enumeration tag_enum = fs.getTags();
3056 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3057 while(tag_enum.hasMoreElements()) {
3059 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3063 output.println(", ");
3064 output.println("/*tagid*/"+state.getTagId(tagd));
3066 output.println("};");
3068 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3069 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3070 TaskIndex ti=itti.next();
3074 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3076 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3077 boolean needcomma=false;
3078 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
3079 OptionalTaskDescriptor otd=otdit.next();
3083 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3085 output.println("};");
3087 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3088 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3089 output.print(ti.getIndex()+", ");
3090 output.print(otdset.size()+", ");
3091 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3092 output.println("};");
3095 tiset=sa.getTaskIndex(fs);
3096 boolean needcomma=false;
3098 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3099 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3100 TaskIndex ti=itti.next();
3101 if (ti.isRuntime()) {
3108 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3110 output.println("};\n");
3112 //Store the result in fsanalysiswrapper
3114 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3115 output.println("/*flag*/"+flagid+",");
3116 output.println("/* number of tags*/"+tagcounter+",");
3117 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3118 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3119 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3120 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3121 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3122 output.println("};\n");
3126 //Build the array of fsanalysiswrappers
3127 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3128 boolean needcomma=false;
3129 for(int i = 0; i<fscounter; i++) {
3130 if (needcomma) output.print(",");
3131 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3134 output.println("};");
3136 //Build the classanalysiswrapper referring to the previous array
3137 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3138 output.println("/*type*/"+cdtemp.getId()+",");
3139 output.println("/*numotd*/"+numotd+",");
3140 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3141 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3142 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3143 processedcd.add(cdtemp);
3146 //build an array containing every classes for which code has been build
3147 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3148 for(int i=0; i<state.numClasses(); i++) {
3149 ClassDescriptor cn=cdarray[i];
3152 if (processedcd.contains(cn))
3153 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3155 output.print("NULL");
3157 output.println("};");
3159 output.println("#define MAXOTD "+maxotd);
3160 headers.println("#endif");
3163 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3164 Relation r=new Relation();
3165 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
3166 OptionalTaskDescriptor otd=otdit.next();
3167 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3171 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3172 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
3173 Set s=r.get(it.next());
3174 for(Iterator it2=s.iterator(); it2.hasNext();) {
3175 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3183 protected void outputTransCode(PrintWriter output) {