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=state.DSM?"___nextobject___":"___objlocation___";
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;
41 public boolean MLP=false;
44 protected int maxtaskparams=0;
45 private int maxcount=0;
46 ClassDescriptor[] cdarray;
47 TypeDescriptor[] arraytable;
48 LocalityAnalysis locality;
49 Hashtable<LocalityBinding, TempDescriptor> reverttable;
50 Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>> backuptable;
55 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
56 this(st, temptovar, typeutil, null, sa, pa);
59 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
60 this(st, temptovar, typeutil, locality, null, pa);
63 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa) {
67 this.temptovar=temptovar;
68 paramstable=new Hashtable();
69 tempstable=new Hashtable();
70 fieldorder=new Hashtable();
71 flagorder=new Hashtable();
72 this.typeutil=typeutil;
73 virtualcalls=new Virtual(state,locality);
75 this.locality=locality;
76 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
77 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
78 this.wb=new WriteBarrier(locality, st);
84 /** The buildCode method outputs C code for all the methods. The Flat
85 * versions of the methods must already be generated and stored in
86 * the State object. */
88 public void buildCode() {
89 /* Create output streams to write to */
90 PrintWriter outclassdefs=null;
91 PrintWriter outstructs=null;
92 PrintWriter outrepairstructs=null;
93 PrintWriter outmethodheader=null;
94 PrintWriter outmethod=null;
95 PrintWriter outvirtual=null;
96 PrintWriter outtask=null;
97 PrintWriter outtaskdefs=null;
98 PrintWriter outoptionalarrays=null;
99 PrintWriter optionalheaders=null;
102 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
103 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
104 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
105 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
106 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
108 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
109 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
110 if (state.OPTIONAL) {
111 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
112 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
115 if (state.structfile!=null) {
116 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
118 } catch (Exception e) {
123 /* Build the virtual dispatch tables */
124 buildVirtualTables(outvirtual);
126 /* Output includes */
127 outmethodheader.println("#ifndef METHODHEADERS_H");
128 outmethodheader.println("#define METHODHEADERS_H");
129 outmethodheader.println("#include \"structdefs.h\"");
131 outmethodheader.println("#include \"dstm.h\"");
133 outmethodheader.println("#include \"tm.h\"");
134 if (state.ABORTREADERS) {
135 outmethodheader.println("#include \"abortreaders.h\"");
136 outmethodheader.println("#include <setjmp.h>");
139 /* Output Structures */
140 outputStructs(outstructs);
142 // Output the C class declarations
143 // These could mutually reference each other
144 outputClassDeclarations(outclassdefs);
146 // Output function prototypes and structures for parameters
147 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
148 while(it.hasNext()) {
149 ClassDescriptor cn=(ClassDescriptor)it.next();
150 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
152 outclassdefs.close();
155 /* Map flags to integers */
156 /* The runtime keeps track of flags using these integers */
157 it=state.getClassSymbolTable().getDescriptorsIterator();
158 while(it.hasNext()) {
159 ClassDescriptor cn=(ClassDescriptor)it.next();
163 generateTaskStructs(outstructs, outmethodheader);
165 /* Outputs generic task structures if this is a task
167 outputTaskTypes(outtask);
170 /* Build the actual methods */
171 outputMethods(outmethod);
174 /* Output code for tasks */
175 outputTaskCode(outtaskdefs, outmethod);
177 /* Record maximum number of task parameters */
178 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
179 } else if (state.main!=null) {
180 /* Generate main method */
181 outputMainMethod(outmethod);
184 /* Generate information for task with optional parameters */
185 if (state.TASK&&state.OPTIONAL) {
186 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
187 outoptionalarrays.close();
190 /* Output structure definitions for repair tool */
191 if (state.structfile!=null) {
192 buildRepairStructs(outrepairstructs);
193 outrepairstructs.close();
197 outmethodheader.println("#endif");
198 outmethodheader.close();
200 outstructs.println("#endif");
205 /* This code just generates the main C method for java programs.
206 * The main C method packs up the arguments into a string array
207 * and passes it to the java main method. */
209 private void outputMainMethod(PrintWriter outmethod) {
210 outmethod.println("int main(int argc, const char *argv[]) {");
211 outmethod.println(" int i;");
212 outmethod.println("#ifdef TRANSSTATS \n");
213 outmethod.println("handle();\n");
214 outmethod.println("#endif\n");
215 if (state.THREAD||state.DSM||state.SINGLETM) {
216 outmethod.println("initializethreads();");
219 outmethod.println("if (dstmStartup(argv[1])) {");
220 if (GENERATEPRECISEGC) {
221 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
223 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
226 if (GENERATEPRECISEGC) {
227 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
229 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
233 outmethod.println(" for(i=2;i<argc;i++) {");
235 outmethod.println(" for(i=1;i<argc;i++) {");
236 outmethod.println(" int length=strlen(argv[i]);");
237 if (GENERATEPRECISEGC) {
238 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
240 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
243 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
245 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
246 outmethod.println(" }");
249 MethodDescriptor md=typeutil.getMain();
250 ClassDescriptor cd=typeutil.getMainClass();
252 outmethod.println(" {");
253 if (GENERATEPRECISEGC) {
254 if (state.DSM||state.SINGLETM) {
255 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
257 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
258 outmethod.println("1, NULL,"+"stringarray};");
259 if (state.DSM||state.SINGLETM)
260 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
262 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
264 if (state.DSM||state.SINGLETM)
265 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
267 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
269 outmethod.println(" }");
272 outmethod.println("}");
275 if (state.THREAD||state.DSM||state.SINGLETM) {
276 outmethod.println("pthread_mutex_lock(&gclistlock);");
277 outmethod.println("threadcount--;");
278 outmethod.println("pthread_cond_signal(&gccond);");
279 outmethod.println("pthread_mutex_unlock(&gclistlock);");
280 if (state.THREAD||state.SINGLETM)
281 outmethod.println("pthread_exit(NULL);");
284 if (state.DSM||state.SINGLETM) {
285 outmethod.println("#ifdef TRANSSTATS \n");
286 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
287 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
288 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
289 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
290 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
291 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
292 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
293 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
294 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
295 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
296 outmethod.println("#endif\n");
298 outmethod.println("}");
302 /* This method outputs code for each task. */
304 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
305 /* Compile task based program */
306 outtaskdefs.println("#include \"task.h\"");
307 outtaskdefs.println("#include \"methodheaders.h\"");
308 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
309 while(taskit.hasNext()) {
310 TaskDescriptor td=(TaskDescriptor)taskit.next();
311 FlatMethod fm=state.getMethodFlat(td);
312 generateFlatMethod(fm, null, outmethod);
313 generateTaskDescriptor(outtaskdefs, fm, td);
316 //Output task descriptors
317 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
318 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
320 while(taskit.hasNext()) {
321 TaskDescriptor td=(TaskDescriptor)taskit.next();
325 outtaskdefs.println(",");
326 outtaskdefs.print("&task_"+td.getSafeSymbol());
328 outtaskdefs.println("};");
330 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
333 /* This method outputs most of the methods.c file. This includes
334 * some standard includes and then an array with the sizes of
335 * objets and array that stores supertype and then the code for
336 * the Java methods.. */
338 protected void outputMethods(PrintWriter outmethod) {
339 outmethod.println("#include \"methodheaders.h\"");
340 outmethod.println("#include \"virtualtable.h\"");
341 outmethod.println("#include \"runtime.h\"");
343 outmethod.println("#include \"addPrefetchEnhance.h\"");
344 outmethod.println("#include \"localobjects.h\"");
346 if (state.FASTCHECK) {
347 outmethod.println("#include \"localobjects.h\"");
349 if(state.MULTICORE) {
350 outmethod.println("#include \"task.h\"");
352 if (state.THREAD||state.DSM||state.SINGLETM)
353 outmethod.println("#include <thread.h>");
354 if (state.main!=null) {
355 outmethod.println("#include <string.h>");
357 if (state.CONSCHECK) {
358 outmethod.println("#include \"checkers.h\"");
361 outmethod.println("#include \"mlp_runtime.h\"");
364 //Store the sizes of classes & array elements
365 generateSizeArray(outmethod);
367 //Store table of supertypes
368 generateSuperTypeTable(outmethod);
370 //Store the layout of classes
371 generateLayoutStructs(outmethod);
373 /* Generate code for methods */
374 if (state.DSM||state.SINGLETM) {
375 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
376 LocalityBinding lb=lbit.next();
377 MethodDescriptor md=lb.getMethod();
378 FlatMethod fm=state.getMethodFlat(md);
380 if (!md.getModifiers().isNative()) {
381 generateFlatMethod(fm, lb, outmethod);
385 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
386 while(classit.hasNext()) {
387 ClassDescriptor cn=(ClassDescriptor)classit.next();
388 Iterator methodit=cn.getMethods();
389 while(methodit.hasNext()) {
390 /* Classify parameters */
391 MethodDescriptor md=(MethodDescriptor)methodit.next();
392 FlatMethod fm=state.getMethodFlat(md);
393 if (!md.getModifiers().isNative()) {
394 generateFlatMethod(fm, null, outmethod);
401 protected void outputStructs(PrintWriter outstructs) {
402 outstructs.println("#ifndef STRUCTDEFS_H");
403 outstructs.println("#define STRUCTDEFS_H");
404 outstructs.println("#include \"classdefs.h\"");
406 /* Output #defines that the runtime uses to determine type
407 * numbers for various objects it needs */
408 outstructs.println("#define MAXCOUNT "+maxcount);
409 if (state.DSM||state.SINGLETM) {
410 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
412 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
413 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
416 outstructs.println("#define STRINGARRAYTYPE "+
417 (state.getArrayNumber(
418 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
420 outstructs.println("#define OBJECTARRAYTYPE "+
421 (state.getArrayNumber(
422 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
425 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
426 outstructs.println("#define CHARARRAYTYPE "+
427 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
429 outstructs.println("#define BYTEARRAYTYPE "+
430 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
432 outstructs.println("#define BYTEARRAYARRAYTYPE "+
433 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
435 outstructs.println("#define NUMCLASSES "+state.numClasses());
437 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
438 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
439 outstructs.println("#define TAGARRAYTYPE "+
440 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
444 protected void outputClassDeclarations(PrintWriter outclassdefs) {
445 if (state.THREAD||state.DSM||state.SINGLETM)
446 outclassdefs.println("#include <pthread.h>");
448 outclassdefs.println("#include \"optionalstruct.h\"");
449 outclassdefs.println("struct "+arraytype+";");
450 /* Start by declaring all structs */
451 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
452 while(it.hasNext()) {
453 ClassDescriptor cn=(ClassDescriptor)it.next();
454 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
456 outclassdefs.println("");
457 //Print out definition for array type
458 outclassdefs.println("struct "+arraytype+" {");
459 outclassdefs.println(" int type;");
461 outclassdefs.println(" pthread_t tid;");
462 outclassdefs.println(" void * lockentry;");
463 outclassdefs.println(" int lockcount;");
466 outclassdefs.println(" int flag;");
467 if(!state.MULTICORE) {
468 outclassdefs.println(" void * flagptr;");
470 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
471 outclassdefs.println(" int version;");
472 outclassdefs.println(" struct ___Object___ * original;");
473 //outclassdefs.println(" int numlocks;"); // array for locks
474 outclassdefs.println(" int * lock;");
477 outclassdefs.println(" int numfses;");
478 outclassdefs.println(" int * fses;");
481 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
483 outclassdefs.println(" int ___length___;");
484 outclassdefs.println("};\n");
485 outclassdefs.println("extern int classsize[];");
486 outclassdefs.println("extern int hasflags[];");
487 outclassdefs.println("extern unsigned int * pointerarray[];");
488 outclassdefs.println("extern int supertypes[];");
491 /** Prints out definitions for generic task structures */
493 private void outputTaskTypes(PrintWriter outtask) {
494 outtask.println("#ifndef _TASK_H");
495 outtask.println("#define _TASK_H");
496 outtask.println("struct parameterdescriptor {");
497 outtask.println("int type;");
498 outtask.println("int numberterms;");
499 outtask.println("int *intarray;");
500 outtask.println("void * queue;");
501 outtask.println("int numbertags;");
502 outtask.println("int *tagarray;");
503 outtask.println("};");
505 outtask.println("struct taskdescriptor {");
506 outtask.println("void * taskptr;");
507 outtask.println("int numParameters;");
508 outtask.println(" int numTotal;");
509 outtask.println("struct parameterdescriptor **descriptorarray;");
510 outtask.println("char * name;");
511 outtask.println("};");
512 outtask.println("extern struct taskdescriptor * taskarray[];");
513 outtask.println("extern numtasks;");
514 outtask.println("#endif");
518 private void buildRepairStructs(PrintWriter outrepairstructs) {
519 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
520 while(classit.hasNext()) {
521 ClassDescriptor cn=(ClassDescriptor)classit.next();
522 outrepairstructs.println("structure "+cn.getSymbol()+" {");
523 outrepairstructs.println(" int __type__;");
525 outrepairstructs.println(" int __flag__;");
526 if(!state.MULTICORE) {
527 outrepairstructs.println(" int __flagptr__;");
530 printRepairStruct(cn, outrepairstructs);
531 outrepairstructs.println("}\n");
534 for(int i=0; i<state.numArrays(); i++) {
535 TypeDescriptor tdarray=arraytable[i];
536 TypeDescriptor tdelement=tdarray.dereference();
537 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
538 outrepairstructs.println(" int __type__;");
539 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
540 outrepairstructs.println(" int length;");
542 // Need to add support to repair tool for this
543 if (tdelement.isClass()||tdelement.isArray())
544 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
546 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
548 outrepairstructs.println("}\n");
552 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
553 ClassDescriptor sp=cn.getSuperDesc();
555 printRepairStruct(sp, output);
557 Vector fields=(Vector)fieldorder.get(cn);
559 for(int i=0; i<fields.size(); i++) {
560 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
561 if (fd.getType().isArray()) {
562 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
563 } else if (fd.getType().isClass())
564 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
565 else if (fd.getType().isFloat())
566 output.println(" int "+fd.getSymbol()+"; /* really float */");
568 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
572 /** This method outputs TaskDescriptor information */
573 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
574 for (int i=0; i<task.numParameters(); i++) {
575 VarDescriptor param_var=task.getParameter(i);
576 TypeDescriptor param_type=task.getParamType(i);
577 FlagExpressionNode param_flag=task.getFlag(param_var);
578 TagExpressionList param_tag=task.getTag(param_var);
581 if (param_flag==null) {
582 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
583 output.println("0x0, 0x0 };");
586 DNFFlag dflag=param_flag.getDNF();
587 dnfterms=dflag.size();
589 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
590 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
591 for(int j=0; j<dflag.size(); j++) {
594 Vector term=dflag.get(j);
597 for(int k=0; k<term.size(); k++) {
598 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
599 FlagDescriptor fd=dfa.getFlag();
600 boolean negated=dfa.getNegated();
601 int flagid=1<<((Integer)flags.get(fd)).intValue();
606 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
608 output.println("};");
611 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
612 //BUG...added next line to fix, test with any task program
614 for(int j=0; j<param_tag.numTags(); j++) {
617 /* for each tag we need */
618 /* which slot it is */
619 /* what type it is */
620 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
621 TempDescriptor tmp=param_tag.getTemp(j);
622 int slot=fm.getTagInt(tmp);
623 output.println(slot+", "+state.getTagId(tvd.getTag()));
625 output.println("};");
627 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
628 output.println("/* type */"+param_type.getClassDesc().getId()+",");
629 output.println("/* number of DNF terms */"+dnfterms+",");
630 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
631 output.println("0,");
632 //BUG, added next line to fix and else statement...test
633 //with any task program
635 output.println("/* number of tags */"+param_tag.numTags()+",");
637 output.println("/* number of tags */ 0,");
638 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
639 output.println("};");
643 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
644 for (int i=0; i<task.numParameters(); i++) {
647 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
649 output.println("};");
651 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
652 output.println("&"+task.getSafeSymbol()+",");
653 output.println("/* number of parameters */" +task.numParameters() + ",");
654 int numtotal=task.numParameters()+fm.numTags();
655 output.println("/* number total parameters */" +numtotal + ",");
656 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
657 output.println("\""+task.getSymbol()+"\"");
658 output.println("};");
662 /** The buildVirtualTables method outputs the virtual dispatch
663 * tables for methods. */
665 protected void buildVirtualTables(PrintWriter outvirtual) {
666 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
667 while(classit.hasNext()) {
668 ClassDescriptor cd=(ClassDescriptor)classit.next();
669 if (virtualcalls.getMethodCount(cd)>maxcount)
670 maxcount=virtualcalls.getMethodCount(cd);
672 MethodDescriptor[][] virtualtable=null;
673 LocalityBinding[][] lbvirtualtable=null;
674 if (state.DSM||state.SINGLETM)
675 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
677 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
679 /* Fill in virtual table */
680 classit=state.getClassSymbolTable().getDescriptorsIterator();
681 while(classit.hasNext()) {
682 ClassDescriptor cd=(ClassDescriptor)classit.next();
683 if (state.DSM||state.SINGLETM)
684 fillinRow(cd, lbvirtualtable, cd.getId());
686 fillinRow(cd, virtualtable, cd.getId());
689 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
690 Iterator arrayit=state.getArrayIterator();
691 while(arrayit.hasNext()) {
692 TypeDescriptor td=(TypeDescriptor)arrayit.next();
693 int id=state.getArrayNumber(td);
694 if (state.DSM||state.SINGLETM)
695 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
697 fillinRow(objectcd, virtualtable, id+state.numClasses());
700 outvirtual.print("void * virtualtable[]={");
701 boolean needcomma=false;
702 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
703 for(int j=0; j<maxcount; j++) {
705 outvirtual.print(", ");
706 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
707 LocalityBinding lb=lbvirtualtable[i][j];
708 MethodDescriptor md=lb.getMethod();
709 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
710 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
711 MethodDescriptor md=virtualtable[i][j];
712 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
714 outvirtual.print("0");
718 outvirtual.println("");
720 outvirtual.println("};");
724 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
725 /* Get inherited methods */
726 if (cd.getSuperDesc()!=null)
727 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
728 /* Override them with our methods */
729 for(Iterator it=cd.getMethods(); it.hasNext();) {
730 MethodDescriptor md=(MethodDescriptor)it.next();
731 if (md.isStatic()||md.getReturnType()==null)
733 int methodnum=virtualcalls.getMethodNumber(md);
734 virtualtable[rownum][methodnum]=md;
738 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
739 /* Get inherited methods */
740 if (cd.getSuperDesc()!=null)
741 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
742 /* Override them with our methods */
743 if (locality.getClassBindings(cd)!=null)
744 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
745 LocalityBinding lb=lbit.next();
746 MethodDescriptor md=lb.getMethod();
747 //Is the method static or a constructor
748 if (md.isStatic()||md.getReturnType()==null)
750 int methodnum=virtualcalls.getLocalityNumber(lb);
751 virtualtable[rownum][methodnum]=lb;
755 /** Generate array that contains the sizes of class objects. The
756 * object allocation functions in the runtime use this
759 private void generateSizeArray(PrintWriter outclassdefs) {
760 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
761 outclassdefs.print("#ifdef TRANSSTATS \n");
762 outclassdefs.print("extern int numTransAbort;\n");
763 outclassdefs.print("extern int numTransCommit;\n");
764 outclassdefs.print("extern int nchashSearch;\n");
765 outclassdefs.print("extern int nmhashSearch;\n");
766 outclassdefs.print("extern int nprehashSearch;\n");
767 outclassdefs.print("extern int nRemoteSend;\n");
768 outclassdefs.print("extern int nSoftAbort;\n");
769 outclassdefs.print("extern int bytesSent;\n");
770 outclassdefs.print("extern int bytesRecv;\n");
771 outclassdefs.print("extern void handle();\n");
772 outclassdefs.print("#endif\n");
773 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
775 outclassdefs.print("int classsize[]={");
776 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
777 cdarray=new ClassDescriptor[state.numClasses()];
778 while(it.hasNext()) {
779 ClassDescriptor cd=(ClassDescriptor)it.next();
780 cdarray[cd.getId()]=cd;
782 boolean needcomma=false;
783 for(int i=0; i<state.numClasses(); i++) {
785 outclassdefs.print(", ");
786 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
790 arraytable=new TypeDescriptor[state.numArrays()];
792 Iterator arrayit=state.getArrayIterator();
793 while(arrayit.hasNext()) {
794 TypeDescriptor td=(TypeDescriptor)arrayit.next();
795 int id=state.getArrayNumber(td);
799 for(int i=0; i<state.numArrays(); i++) {
801 outclassdefs.print(", ");
802 TypeDescriptor tdelement=arraytable[i].dereference();
803 if (tdelement.isArray()||tdelement.isClass())
804 outclassdefs.print("sizeof(void *)");
806 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
810 outclassdefs.println("};");
812 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
814 outclassdefs.print("int typearray[]={");
815 for(int i=0;i<state.numClasses();i++) {
816 ClassDescriptor cd=cdarray[i];
817 ClassDescriptor supercd=cd.getSuperDesc();
819 outclassdefs.print(", ");
821 outclassdefs.print("-1");
823 outclassdefs.print(supercd.getId());
827 for(int i=0;i<state.numArrays();i++) {
828 TypeDescriptor arraytd=arraytable[i];
829 ClassDescriptor arraycd=arraytd.getClassDesc();
832 outclassdefs.print(", ");
833 outclassdefs.print(objectclass.getId());
837 ClassDescriptor cd=arraycd.getSuperDesc();
840 TypeDescriptor supertd=new TypeDescriptor(cd);
841 supertd.setArrayCount(arraytd.getArrayCount());
842 type=state.getArrayNumber(supertd);
844 type+=state.numClasses();
847 cd=cd.getSuperDesc();
850 outclassdefs.print(", ");
851 outclassdefs.print(type);
855 outclassdefs.println("};");
860 outclassdefs.print("int typearray2[]={");
861 for(int i=0;i<state.numArrays();i++) {
862 TypeDescriptor arraytd=arraytable[i];
863 ClassDescriptor arraycd=arraytd.getClassDesc();
866 outclassdefs.print(", ");
867 outclassdefs.print("-1");
871 ClassDescriptor cd=arraycd.getSuperDesc();
872 int level=arraytd.getArrayCount()-1;
874 for(;level>0;level--) {
875 TypeDescriptor supertd=new TypeDescriptor(objectclass);
876 supertd.setArrayCount(level);
877 type=state.getArrayNumber(supertd);
879 type+=state.numClasses();
884 outclassdefs.print(", ");
885 outclassdefs.print(type);
889 outclassdefs.println("};");
892 /** Constructs params and temp objects for each method or task.
893 * These objects tell the compiler which temps need to be
896 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
897 MethodDescriptor md=fm.getMethod();
898 TaskDescriptor task=fm.getTask();
899 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
900 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
902 paramstable.put(lb, objectparams);
903 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
906 paramstable.put(md, objectparams);
908 paramstable.put(task, objectparams);
910 for(int i=0; i<fm.numParameters(); i++) {
911 TempDescriptor temp=fm.getParameter(i);
912 TypeDescriptor type=temp.getType();
913 if (type.isPtr()&&GENERATEPRECISEGC)
914 objectparams.addPtr(temp);
916 objectparams.addPrim(temp);
917 if(lb!=null&&saveset.contains(temp)) {
918 backuptable.get(lb).put(temp, temp.createNew());
922 for(int i=0; i<fm.numTags(); i++) {
923 TempDescriptor temp=fm.getTag(i);
924 if (GENERATEPRECISEGC)
925 objectparams.addPtr(temp);
927 objectparams.addPrim(temp);
930 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
932 tempstable.put(lb, objecttemps);
934 tempstable.put(md, objecttemps);
936 tempstable.put(task, objecttemps);
938 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
939 FlatNode fn=(FlatNode)nodeit.next();
940 TempDescriptor[] writes=fn.writesTemps();
941 for(int i=0; i<writes.length; i++) {
942 TempDescriptor temp=writes[i];
943 TypeDescriptor type=temp.getType();
944 if (type.isPtr()&&GENERATEPRECISEGC)
945 objecttemps.addPtr(temp);
947 objecttemps.addPrim(temp);
948 if(lb!=null&&saveset.contains(temp)&&
949 !backuptable.get(lb).containsKey(temp))
950 backuptable.get(lb).put(temp, temp.createNew());
954 /* Create backup temps */
956 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
957 TempDescriptor tmp=tmpit.next();
958 TypeDescriptor type=tmp.getType();
959 if (type.isPtr()&&GENERATEPRECISEGC)
960 objecttemps.addPtr(tmp);
962 objecttemps.addPrim(tmp);
964 /* Create temp to hold revert table */
965 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
966 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
967 if (GENERATEPRECISEGC)
968 objecttemps.addPtr(reverttmp);
970 objecttemps.addPrim(reverttmp);
971 reverttable.put(lb, reverttmp);
976 /** This method outputs the following information about classes
978 * (1) For classes, what are the locations of pointers.
979 * (2) For arrays, does the array contain pointers or primitives.
980 * (3) For classes, does the class contain flags.
983 private void generateLayoutStructs(PrintWriter output) {
984 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
985 while(it.hasNext()) {
986 ClassDescriptor cn=(ClassDescriptor)it.next();
987 output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
988 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
990 while(allit.hasNext()) {
991 FieldDescriptor fd=(FieldDescriptor)allit.next();
992 TypeDescriptor type=fd.getType();
993 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
999 allit=cn.getFieldTable().getAllDescriptorsIterator();
1000 while(allit.hasNext()) {
1001 FieldDescriptor fd=(FieldDescriptor)allit.next();
1002 TypeDescriptor type=fd.getType();
1003 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1006 output.println(",");
1007 output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
1010 output.println("};");
1012 output.println("unsigned int * pointerarray[]={");
1013 boolean needcomma=false;
1014 for(int i=0; i<state.numClasses(); i++) {
1015 ClassDescriptor cn=cdarray[i];
1017 output.println(",");
1019 output.print(cn.getSafeSymbol()+"_pointers");
1022 for(int i=0; i<state.numArrays(); i++) {
1024 output.println(", ");
1025 TypeDescriptor tdelement=arraytable[i].dereference();
1026 if (tdelement.isArray()||tdelement.isClass())
1027 output.print("((unsigned int *)1)");
1033 output.println("};");
1035 output.println("int hasflags[]={");
1036 for(int i=0; i<state.numClasses(); i++) {
1037 ClassDescriptor cn=cdarray[i];
1039 output.println(", ");
1046 output.println("};");
1049 /** Print out table to give us supertypes */
1050 private void generateSuperTypeTable(PrintWriter output) {
1051 output.println("int supertypes[]={");
1052 boolean needcomma=false;
1053 for(int i=0; i<state.numClasses(); i++) {
1054 ClassDescriptor cn=cdarray[i];
1056 output.println(",");
1058 if (cn.getSuperDesc()!=null) {
1059 ClassDescriptor cdsuper=cn.getSuperDesc();
1060 output.print(cdsuper.getId());
1064 output.println("};");
1067 /** Force consistent field ordering between inherited classes. */
1069 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
1071 ClassDescriptor sp=cn.getSuperDesc();
1073 printClassStruct(sp, classdefout);
1075 if (!fieldorder.containsKey(cn)) {
1076 Vector fields=new Vector();
1077 fieldorder.put(cn,fields);
1078 if (sp==null&&!state.TASK) {
1079 fields.add(cn.getFieldTable().get("cachedCode"));
1081 Iterator fieldit=cn.getFields();
1082 while(fieldit.hasNext()) {
1083 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
1084 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
1085 (!fd.getSymbol().equals("cachedCode")||state.TASK))
1089 Vector fields=(Vector)fieldorder.get(cn);
1091 for(int i=0; i<fields.size(); i++) {
1092 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1093 if (fd.getType().isClass()||fd.getType().isArray())
1094 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1096 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1101 /* Map flags to integers consistently between inherited
1104 protected void mapFlags(ClassDescriptor cn) {
1105 ClassDescriptor sp=cn.getSuperDesc();
1109 if (!flagorder.containsKey(cn)) {
1110 Hashtable flags=new Hashtable();
1111 flagorder.put(cn,flags);
1113 Hashtable superflags=(Hashtable)flagorder.get(sp);
1114 Iterator superflagit=superflags.keySet().iterator();
1115 while(superflagit.hasNext()) {
1116 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1117 Integer number=(Integer)superflags.get(fd);
1118 flags.put(fd, number);
1119 if ((number.intValue()+1)>max)
1120 max=number.intValue()+1;
1124 Iterator flagit=cn.getFlags();
1125 while(flagit.hasNext()) {
1126 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1127 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1128 flags.put(fd, new Integer(max++));
1134 /** This function outputs (1) structures that parameters are
1135 * passed in (when PRECISE GC is enabled) and (2) function
1136 * prototypes for the methods */
1138 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1139 /* Output class structure */
1140 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1141 classdefout.println(" int type;");
1143 classdefout.println(" pthread_t tid;");
1144 classdefout.println(" void * lockentry;");
1145 classdefout.println(" int lockcount;");
1149 classdefout.println(" int flag;");
1150 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1151 classdefout.println(" void * flagptr;");
1152 } else if (state.MULTICORE) {
1153 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1154 classdefout.println(" int version;");
1155 classdefout.println(" struct ___Object___ * original;");
1156 //classdefout.println(" int numlocks;"); // array for locks
1157 classdefout.println(" int * lock;");
1159 if (state.OPTIONAL) {
1160 classdefout.println(" int numfses;");
1161 classdefout.println(" int * fses;");
1164 printClassStruct(cn, classdefout);
1165 classdefout.println("};\n");
1167 if (state.DSM||state.SINGLETM) {
1168 /* Cycle through LocalityBindings */
1169 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1170 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1172 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1173 LocalityBinding lb=lbit.next();
1174 MethodDescriptor md=lb.getMethod();
1175 if (md.getModifiers().isNative()) {
1176 //make sure we only print a native method once
1177 if (nativemethods.contains(md)) {
1178 FlatMethod fm=state.getMethodFlat(md);
1179 generateTempStructs(fm, lb);
1182 nativemethods.add(md);
1184 generateMethod(cn, md, lb, headersout, output);
1187 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1188 MethodDescriptor md=(MethodDescriptor)methodit.next();
1189 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1190 //Need to build param structure for library code
1191 FlatMethod fm=state.getMethodFlat(md);
1192 generateTempStructs(fm, null);
1193 generateMethodParam(cn, md, null, output);
1198 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1199 MethodDescriptor md=(MethodDescriptor)methodit.next();
1200 generateMethod(cn, md, null, headersout, output);
1204 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1205 /* Output parameter structure */
1206 if (GENERATEPRECISEGC) {
1207 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1208 if ((state.DSM||state.SINGLETM)&&lb!=null)
1209 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1211 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1212 output.println(" int size;");
1213 output.println(" void * next;");
1214 for(int i=0; i<objectparams.numPointers(); i++) {
1215 TempDescriptor temp=objectparams.getPointer(i);
1216 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1218 output.println("};\n");
1223 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1224 FlatMethod fm=state.getMethodFlat(md);
1225 generateTempStructs(fm, lb);
1227 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1228 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1230 generateMethodParam(cn, md, lb, output);
1232 /* Output temp structure */
1233 if (GENERATEPRECISEGC) {
1234 if (state.DSM||state.SINGLETM)
1235 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1237 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1238 output.println(" int size;");
1239 output.println(" void * next;");
1240 for(int i=0; i<objecttemps.numPointers(); i++) {
1241 TempDescriptor temp=objecttemps.getPointer(i);
1242 if (temp.getType().isNull())
1243 output.println(" void * "+temp.getSafeSymbol()+";");
1245 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1247 output.println("};\n");
1250 /********* Output method declaration ***********/
1252 /* First the return type */
1253 if (md.getReturnType()!=null) {
1254 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1255 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1257 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1259 //catch the constructor case
1260 headersout.print("void ");
1262 /* Next the method name */
1263 if (state.DSM||state.SINGLETM) {
1264 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1266 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1268 boolean printcomma=false;
1269 if (GENERATEPRECISEGC) {
1270 if (state.DSM||state.SINGLETM) {
1271 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1273 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1277 /* Output parameter list*/
1278 for(int i=0; i<objectparams.numPrimitives(); i++) {
1279 TempDescriptor temp=objectparams.getPrimitive(i);
1281 headersout.print(", ");
1283 if (temp.getType().isClass()||temp.getType().isArray())
1284 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1286 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1288 headersout.println(");\n");
1292 /** This function outputs (1) structures that parameters are
1293 * passed in (when PRECISE GC is enabled) and (2) function
1294 * prototypes for the tasks */
1296 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1297 /* Cycle through tasks */
1298 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1300 while(taskit.hasNext()) {
1301 /* Classify parameters */
1302 TaskDescriptor task=(TaskDescriptor)taskit.next();
1303 FlatMethod fm=state.getMethodFlat(task);
1304 generateTempStructs(fm, null);
1306 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1307 TempObject objecttemps=(TempObject) tempstable.get(task);
1309 /* Output parameter structure */
1310 if (GENERATEPRECISEGC) {
1311 output.println("struct "+task.getSafeSymbol()+"_params {");
1313 output.println(" int size;");
1314 output.println(" void * next;");
1315 for(int i=0; i<objectparams.numPointers(); i++) {
1316 TempDescriptor temp=objectparams.getPointer(i);
1317 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1320 output.println("};\n");
1321 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1322 maxtaskparams=objectparams.numPointers()+fm.numTags();
1326 /* Output temp structure */
1327 if (GENERATEPRECISEGC) {
1328 output.println("struct "+task.getSafeSymbol()+"_locals {");
1329 output.println(" int size;");
1330 output.println(" void * next;");
1331 for(int i=0; i<objecttemps.numPointers(); i++) {
1332 TempDescriptor temp=objecttemps.getPointer(i);
1333 if (temp.getType().isNull())
1334 output.println(" void * "+temp.getSafeSymbol()+";");
1335 else if(temp.getType().isTag())
1336 output.println(" struct "+
1337 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1339 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1341 output.println("};\n");
1344 /* Output task declaration */
1345 headersout.print("void " + task.getSafeSymbol()+"(");
1347 boolean printcomma=false;
1348 if (GENERATEPRECISEGC) {
1349 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1351 headersout.print("void * parameterarray[]");
1352 headersout.println(");\n");
1356 /***** Generate code for FlatMethod fm. *****/
1358 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1359 if (State.PRINTFLAT)
1360 System.out.println(fm.printMethod());
1361 MethodDescriptor md=fm.getMethod();
1363 TaskDescriptor task=fm.getTask();
1365 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1367 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1368 generateHeader(fm, lb, md!=null ? md : task,output);
1369 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1371 if (GENERATEPRECISEGC) {
1372 if (md!=null&&(state.DSM||state.SINGLETM))
1373 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1374 else if (md!=null&&!(state.DSM||state.SINGLETM))
1375 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1377 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1379 output.print(objecttemp.numPointers()+",");
1380 output.print(paramsprefix);
1381 for(int j=0; j<objecttemp.numPointers(); j++)
1382 output.print(", NULL");
1383 output.println("};");
1386 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1387 TempDescriptor td=objecttemp.getPrimitive(i);
1388 TypeDescriptor type=td.getType();
1390 output.println(" void * "+td.getSafeSymbol()+";");
1391 else if (type.isClass()||type.isArray())
1392 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1394 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1397 /* Assign labels to FlatNode's if necessary.*/
1399 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(fm);
1401 /* Check to see if we need to do a GC if this is a
1402 * multi-threaded program...*/
1404 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1405 if (state.DSM&&lb.isAtomic())
1406 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1408 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1411 /* Do the actual code generation */
1412 FlatNode current_node=null;
1413 HashSet tovisit=new HashSet();
1414 HashSet visited=new HashSet();
1415 tovisit.add(fm.getNext(0));
1416 while(current_node!=null||!tovisit.isEmpty()) {
1417 if (current_node==null) {
1418 current_node=(FlatNode)tovisit.iterator().next();
1419 tovisit.remove(current_node);
1420 } else if (tovisit.contains(current_node)){
1421 tovisit.remove(current_node);
1423 visited.add(current_node);
1424 if (nodetolabel.containsKey(current_node))
1425 output.println("L"+nodetolabel.get(current_node)+":");
1426 if (state.INSTRUCTIONFAILURE) {
1427 if (state.THREAD||state.DSM||state.SINGLETM) {
1428 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1430 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1432 if (current_node.numNext()==0) {
1434 generateFlatNode(fm, lb, current_node, output);
1435 if (current_node.kind()!=FKind.FlatReturnNode) {
1436 output.println(" return;");
1439 } else if(current_node.numNext()==1) {
1441 generateFlatNode(fm, lb, current_node, output);
1442 FlatNode nextnode=current_node.getNext(0);
1443 if (visited.contains(nextnode)) {
1444 output.println("goto L"+nodetolabel.get(nextnode)+";");
1447 current_node=nextnode;
1448 } else if (current_node.numNext()==2) {
1451 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1452 if (!visited.contains(current_node.getNext(1)))
1453 tovisit.add(current_node.getNext(1));
1454 if (visited.contains(current_node.getNext(0))) {
1455 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1458 current_node=current_node.getNext(0);
1459 } else throw new Error();
1461 output.println("}\n\n");
1464 /** This method assigns labels to FlatNodes */
1466 protected Hashtable<FlatNode, Integer> assignLabels(FlatMethod fm) {
1467 HashSet tovisit=new HashSet();
1468 HashSet visited=new HashSet();
1470 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1471 tovisit.add(fm.getNext(0));
1473 /*Assign labels first. A node needs a label if the previous
1474 * node has two exits or this node is a join point. */
1476 while(!tovisit.isEmpty()) {
1477 FlatNode fn=(FlatNode)tovisit.iterator().next();
1480 for(int i=0; i<fn.numNext(); i++) {
1481 FlatNode nn=fn.getNext(i);
1483 //1) Edge >1 of node
1484 nodetolabel.put(nn,new Integer(labelindex++));
1486 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1490 nodetolabel.put(nn,new Integer(labelindex++));
1498 /** Generate text string that corresponds to the TempDescriptor td. */
1499 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1500 MethodDescriptor md=fm.getMethod();
1501 TaskDescriptor task=fm.getTask();
1502 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1503 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1504 //System.out.println("generateTemp returns " + td.getSafeSymbol());
1505 return td.getSafeSymbol();
1508 if (objecttemps.isLocalPtr(td)) {
1509 return localsprefix+"."+td.getSafeSymbol();
1512 if (objecttemps.isParamPtr(td)) {
1513 return paramsprefix+"->"+td.getSafeSymbol();
1518 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1520 case FKind.FlatAtomicEnterNode:
1521 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1524 case FKind.FlatAtomicExitNode:
1525 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1528 case FKind.FlatInstanceOfNode:
1529 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
1532 case FKind.FlatSESEEnterNode:
1533 if( MLP ) generateFlatSESEEnterNode(fm, lb, (FlatSESEEnterNode) fn, output);
1536 case FKind.FlatSESEExitNode:
1537 if( MLP ) generateFlatSESEExitNode(fm, lb, (FlatSESEExitNode) fn, output);
1540 case FKind.FlatGlobalConvNode:
1541 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1544 case FKind.FlatTagDeclaration:
1545 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1548 case FKind.FlatCall:
1549 generateFlatCall(fm, lb, (FlatCall) fn,output);
1552 case FKind.FlatFieldNode:
1553 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1556 case FKind.FlatElementNode:
1557 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1560 case FKind.FlatSetElementNode:
1561 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1564 case FKind.FlatSetFieldNode:
1565 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1569 generateFlatNew(fm, lb, (FlatNew) fn,output);
1572 case FKind.FlatOpNode:
1573 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1576 case FKind.FlatCastNode:
1577 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1580 case FKind.FlatLiteralNode:
1581 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1584 case FKind.FlatReturnNode:
1585 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1589 output.println("/* nop */");
1592 case FKind.FlatExit:
1593 output.println("/* exit */");
1596 case FKind.FlatBackEdge:
1597 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1598 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1599 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1601 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1603 output.println("/* nop */");
1606 case FKind.FlatCheckNode:
1607 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1610 case FKind.FlatFlagActionNode:
1611 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1614 case FKind.FlatPrefetchNode:
1615 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1618 case FKind.FlatOffsetNode:
1619 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
1625 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
1626 output.println("/* FlatOffsetNode */");
1627 FieldDescriptor fd=fofn.getField();
1628 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+");");
1629 output.println("/* offset */");
1632 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1633 if (state.PREFETCH) {
1634 Vector oids = new Vector();
1635 Vector fieldoffset = new Vector();
1636 Vector endoffset = new Vector();
1637 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1638 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
1639 PrefetchPair pp = (PrefetchPair) it.next();
1640 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1641 /* Find prefetches that can generate oid */
1642 if(statusbase == LocalityAnalysis.GLOBAL) {
1643 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1645 } else if (statusbase == LocalityAnalysis.LOCAL) {
1646 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1653 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
1654 output.println("{");
1655 output.println("/* prefetch */");
1656 output.println("/* prefetchid_" + fpn.siteid + " */");
1657 output.println("void * prefptr;");
1658 output.println("int tmpindex;");
1660 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1661 /*Create C code for oid array */
1662 output.print(" unsigned int oidarray_[] = {");
1663 boolean needcomma=false;
1664 for (Iterator it = oids.iterator(); it.hasNext();) {
1667 output.print(it.next());
1670 output.println("};");
1672 /*Create C code for endoffset values */
1673 output.print(" unsigned short endoffsetarry_[] = {");
1675 for (Iterator it = endoffset.iterator(); it.hasNext();) {
1678 output.print(it.next());
1681 output.println("};");
1683 /*Create C code for Field Offset Values */
1684 output.print(" short fieldarry_[] = {");
1686 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
1689 output.print(it.next());
1692 output.println("};");
1693 /* make the prefetch call to Runtime */
1694 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1695 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1696 output.println(" }");
1697 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1698 output.println(" } else {");
1699 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1700 output.println(" }");
1701 output.println("}");
1705 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1706 short offsetcount = 0;
1710 } else if (localbase) {
1711 for(; breakindex<pp.desc.size(); breakindex++) {
1712 Descriptor desc=pp.getDescAt(breakindex);
1713 if (desc instanceof FieldDescriptor) {
1714 FieldDescriptor fd=(FieldDescriptor)desc;
1715 if (fd.isGlobal()) {
1723 if (breakindex>pp.desc.size()) //all local
1726 TypeDescriptor lasttype=pp.base.getType();
1727 String basestr=generateTemp(fm, pp.base, lb);
1729 boolean maybenull=fm.getMethod().isStatic()||
1730 !pp.base.equals(fm.getParameter(0));
1732 for(int i=0; i<breakindex; i++) {
1733 String indexcheck="";
1735 Descriptor desc=pp.getDescAt(i);
1736 if (desc instanceof FieldDescriptor) {
1737 FieldDescriptor fd=(FieldDescriptor)desc;
1739 if (!teststr.equals(""))
1741 teststr+="((prefptr="+basestr+")!=NULL)";
1742 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
1744 basestr=basestr+"->"+fd.getSafeSymbol();
1747 lasttype=fd.getType();
1749 IndexDescriptor id=(IndexDescriptor)desc;
1750 indexcheck="((tmpindex=";
1751 for(int j=0; j<id.tddesc.size(); j++) {
1752 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
1754 indexcheck+=id.offset+")>=0)&&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
1756 if (!teststr.equals(""))
1758 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
1759 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
1761 lasttype=lasttype.dereference();
1766 if (teststr.equals("")) {
1767 oid="((unsigned int)"+basestr+")";
1769 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
1773 for(int i = breakindex; i < pp.desc.size(); i++) {
1774 String newfieldoffset;
1775 Object desc = pp.getDescAt(i);
1776 if(desc instanceof FieldDescriptor) {
1777 FieldDescriptor fd=(FieldDescriptor)desc;
1778 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
1779 lasttype=fd.getType();
1781 newfieldoffset = "";
1782 IndexDescriptor id=(IndexDescriptor)desc;
1783 for(int j = 0; j < id.tddesc.size(); j++) {
1784 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
1786 newfieldoffset += id.offset.toString();
1787 lasttype=lasttype.dereference();
1789 fieldoffset.add(newfieldoffset);
1792 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
1793 base+=pp.desc.size()-breakindex;
1794 endoffset.add(new Short((short)base));
1799 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1800 if (lb!=fgcn.getLocality())
1802 /* Have to generate flat globalconv */
1803 if (fgcn.getMakePtr()) {
1804 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1806 /* Need to convert to OID */
1807 if (fgcn.doConvert()) {
1808 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1810 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
1815 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
1817 if (fion.getType().isArray()) {
1818 type=state.getArrayNumber(fion.getType())+state.numClasses();
1820 type=fion.getType().getClassDesc().getId();
1823 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
1824 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
1826 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
1829 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1830 /* Check to see if we need to generate code for this atomic */
1831 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1833 /* Backup the temps. */
1834 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1835 TempDescriptor tmp=tmpit.next();
1836 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1839 output.println("goto transstart"+faen.getIdentifier()+";");
1841 /******* Print code to retry aborted transaction *******/
1842 output.println("transretry"+faen.getIdentifier()+":");
1845 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1846 TempDescriptor tmp=tmpit.next();
1847 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
1851 /********* Need to revert local object store ********/
1852 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1854 output.println("while ("+revertptr+") {");
1855 output.println("struct ___Object___ * tmpptr;");
1856 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1857 output.println("REVERT_OBJ("+revertptr+");");
1858 output.println(revertptr+"=tmpptr;");
1859 output.println("}");
1861 /******* Tell the runtime to start the transaction *******/
1863 output.println("transstart"+faen.getIdentifier()+":");
1864 output.println("transStart();");
1866 if (state.ABORTREADERS) {
1867 output.println("if (_setjmp(aborttrans)) {");
1868 output.println(" goto transretry"+faen.getIdentifier()+"; }");
1872 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1873 /* Check to see if we need to generate code for this atomic */
1874 if (locality.getAtomic(lb).get(faen).intValue()>0)
1876 //store the revert list before we lose the transaction object
1877 String revertptr=null;
1879 revertptr=generateTemp(fm, reverttable.get(lb),lb);
1880 output.println(revertptr+"=revertlist;");
1882 output.println("if (transCommit()) {");
1883 /* Transaction aborts if it returns true */
1884 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1886 output.println("} else {");
1887 /* Need to commit local object store */
1888 output.println("while ("+revertptr+") {");
1889 output.println("struct ___Object___ * tmpptr;");
1890 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1891 output.println("COMMIT_OBJ("+revertptr+");");
1892 output.println(revertptr+"=tmpptr;");
1893 output.println("}");
1895 output.println("}");
1898 public void generateFlatSESEEnterNode(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
1899 output.println("mlpEnqueue( (struct SESE*)0 );");
1902 public void generateFlatSESEExitNode(FlatMethod fm, LocalityBinding lb, FlatSESEExitNode faen, PrintWriter output) {
1903 output.println("mlpNotifyExit( (struct SESE*)0 );");
1906 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
1907 if (state.CONSCHECK) {
1908 String specname=fcn.getSpec();
1909 String varname="repairstate___";
1910 output.println("{");
1911 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1913 TempDescriptor[] temps=fcn.getTemps();
1914 String[] vars=fcn.getVars();
1915 for(int i=0; i<temps.length; i++) {
1916 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
1919 output.println("if (doanalysis"+specname+"("+varname+")) {");
1920 output.println("free"+specname+"_state("+varname+");");
1921 output.println("} else {");
1922 output.println("/* Bad invariant */");
1923 output.println("free"+specname+"_state("+varname+");");
1924 output.println("abort_task();");
1925 output.println("}");
1926 output.println("}");
1930 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
1931 MethodDescriptor md=fc.getMethod();
1932 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM||state.SINGLETM ? locality.getBinding(lb, fc) : md);
1933 ClassDescriptor cn=md.getClassDesc();
1934 output.println("{");
1935 if (GENERATEPRECISEGC) {
1936 if (state.DSM||state.SINGLETM) {
1937 LocalityBinding fclb=locality.getBinding(lb, fc);
1938 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1940 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1942 output.print(objectparams.numPointers());
1943 output.print(", & "+localsprefix);
1944 if (md.getThis()!=null) {
1946 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
1948 if (fc.getThis()!=null&&md.getThis()==null) {
1949 System.out.println("WARNING!!!!!!!!!!!!");
1950 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
1954 for(int i=0; i<fc.numArgs(); i++) {
1955 Descriptor var=md.getParameter(i);
1956 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1957 if (objectparams.isParamPtr(paramtemp)) {
1958 TempDescriptor targ=fc.getArg(i);
1960 TypeDescriptor td=md.getParamType(i);
1962 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1964 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1967 output.println("};");
1972 if (fc.getReturnTemp()!=null)
1973 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
1975 /* Do we need to do virtual dispatch? */
1976 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
1978 if (state.DSM||state.SINGLETM) {
1979 LocalityBinding fclb=locality.getBinding(lb, fc);
1980 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1982 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1987 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1988 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1990 output.print(md.getReturnType().getSafeSymbol()+" ");
1991 output.print("(*)(");
1993 boolean printcomma=false;
1994 if (GENERATEPRECISEGC) {
1995 if (state.DSM||state.SINGLETM) {
1996 LocalityBinding fclb=locality.getBinding(lb, fc);
1997 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1999 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2003 for(int i=0; i<objectparams.numPrimitives(); i++) {
2004 TempDescriptor temp=objectparams.getPrimitive(i);
2008 if (temp.getType().isClass()||temp.getType().isArray())
2009 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2011 output.print(temp.getType().getSafeSymbol());
2015 if (state.DSM||state.SINGLETM) {
2016 LocalityBinding fclb=locality.getBinding(lb, fc);
2017 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
2019 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2023 boolean needcomma=false;
2024 if (GENERATEPRECISEGC) {
2025 output.print("&__parameterlist__");
2029 if (!GENERATEPRECISEGC) {
2030 if (fc.getThis()!=null) {
2031 TypeDescriptor ptd=md.getThis().getType();
2034 if (ptd.isClass()&&!ptd.isArray())
2035 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2036 output.print(generateTemp(fm,fc.getThis(),lb));
2041 for(int i=0; i<fc.numArgs(); i++) {
2042 Descriptor var=md.getParameter(i);
2043 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2044 if (objectparams.isParamPrim(paramtemp)) {
2045 TempDescriptor targ=fc.getArg(i);
2049 TypeDescriptor ptd=md.getParamType(i);
2050 if (ptd.isClass()&&!ptd.isArray())
2051 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2052 output.print(generateTemp(fm, targ,lb));
2056 output.println(");");
2057 output.println(" }");
2060 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2061 Set subclasses=typeutil.getSubClasses(thiscd);
2062 if (subclasses==null)
2064 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
2065 ClassDescriptor cd=(ClassDescriptor)classit.next();
2066 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
2067 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
2068 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2069 if (md.matches(matchmd))
2076 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
2077 if (state.SINGLETM) {
2078 //single machine transactional memory case
2079 String field=ffn.getField().getSafeSymbol();
2080 String src=generateTemp(fm, ffn.getSrc(),lb);
2081 String dst=generateTemp(fm, ffn.getDst(),lb);
2083 output.println(dst+"="+ src +"->"+field+ ";");
2084 if (ffn.getField().getType().isPtr()) {
2085 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2087 } else if (state.DSM) {
2088 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
2089 if (status==LocalityAnalysis.GLOBAL) {
2090 String field=ffn.getField().getSafeSymbol();
2091 String src=generateTemp(fm, ffn.getSrc(),lb);
2092 String dst=generateTemp(fm, ffn.getDst(),lb);
2094 if (ffn.getField().getType().isPtr()) {
2096 //TODO: Uncomment this when we have runtime support
2097 //if (ffn.getSrc()==ffn.getDst()) {
2098 //output.println("{");
2099 //output.println("void * temp="+src+";");
2100 //output.println("if (temp&0x1) {");
2101 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
2102 //output.println(src+"->"+field+"="+temp+";");
2103 //output.println("}");
2104 //output.println(dst+"=temp;");
2105 //output.println("}");
2107 output.println(dst+"="+ src +"->"+field+ ";");
2108 //output.println("if ("+dst+"&0x1) {");
2109 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2110 //output.println(src+"->"+field+"="+src+"->"+field+";");
2111 //output.println("}");
2114 output.println(dst+"="+ src+"->"+field+";");
2116 } else if (status==LocalityAnalysis.LOCAL) {
2117 if (ffn.getField().getType().isPtr()&&
2118 ffn.getField().isGlobal()) {
2119 String field=ffn.getField().getSafeSymbol();
2120 String src=generateTemp(fm, ffn.getSrc(),lb);
2121 String dst=generateTemp(fm, ffn.getDst(),lb);
2122 output.println(dst+"="+ src +"->"+field+ ";");
2123 if (locality.getAtomic(lb).get(ffn).intValue()>0)
2124 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2126 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2127 } else if (status==LocalityAnalysis.EITHER) {
2128 //Code is reading from a null pointer
2129 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
2130 output.println("#ifndef RAW");
2131 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2132 output.println("#endif");
2133 //This should throw a suitable null pointer error
2134 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2136 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2138 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2142 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
2143 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2144 throw new Error("Can't set array length");
2145 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2146 //Single Machine Transaction Case
2147 boolean srcptr=fsfn.getSrc().getType().isPtr();
2148 String src=generateTemp(fm,fsfn.getSrc(),lb);
2149 String dst=generateTemp(fm,fsfn.getDst(),lb);
2151 output.println("{");
2152 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2154 if (wb.needBarrier(fsfn))
2155 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
2157 output.println("*((unsigned int *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2158 output.println("}");
2160 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2162 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2163 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
2164 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
2165 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2167 String src=generateTemp(fm,fsfn.getSrc(),lb);
2168 String dst=generateTemp(fm,fsfn.getDst(),lb);
2170 output.println("{");
2171 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2173 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2176 if (wb.needBarrier(fsfn))
2177 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2179 output.println("*((unsigned int *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2181 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2182 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2183 /** Check if we need to copy */
2184 output.println("if(!"+dst+"->"+localcopystr+") {");
2185 /* Link object into list */
2186 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2187 output.println(revertptr+"=revertlist;");
2188 if (GENERATEPRECISEGC)
2189 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2191 output.println("COPY_OBJ("+dst+");");
2192 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2193 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2194 output.println("}");
2196 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2198 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2199 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2200 //writing to a null...bad
2201 output.println("if ("+dst+") {");
2202 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2204 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2206 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2209 output.println("}");
2212 if (state.FASTCHECK) {
2213 String dst=generateTemp(fm, fsfn.getDst(),lb);
2214 output.println("if(!"+dst+"->"+localcopystr+") {");
2215 /* Link object into list */
2216 if (GENERATEPRECISEGC)
2217 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2219 output.println("COPY_OBJ("+dst+");");
2220 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2221 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2222 output.println("}");
2224 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2228 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2229 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2232 if (elementtype.isArray()||elementtype.isClass())
2235 type=elementtype.getSafeSymbol()+" ";
2237 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2238 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2239 output.println("failedboundschk();");
2241 if (state.SINGLETM) {
2242 //Single machine transaction case
2243 String dst=generateTemp(fm, fen.getDst(),lb);
2245 if (elementtype.isPtr()) {
2246 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2247 output.println("TRANSREAD("+dst+", "+dst+");");
2249 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2251 } else if (state.DSM) {
2252 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2253 if (status==LocalityAnalysis.GLOBAL) {
2254 String dst=generateTemp(fm, fen.getDst(),lb);
2256 if (elementtype.isPtr()) {
2257 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2258 output.println("TRANSREAD("+dst+", "+dst+");");
2260 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2262 } else if (status==LocalityAnalysis.LOCAL) {
2263 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2264 } else if (status==LocalityAnalysis.EITHER) {
2265 //Code is reading from a null pointer
2266 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2267 output.println("#ifndef RAW");
2268 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2269 output.println("#endif");
2270 //This should throw a suitable null pointer error
2271 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2273 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2275 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2279 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2280 //TODO: need dynamic check to make sure this assignment is actually legal
2281 //Because Object[] could actually be something more specific...ie. Integer[]
2283 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2286 if (elementtype.isArray()||elementtype.isClass())
2289 type=elementtype.getSafeSymbol()+" ";
2291 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2292 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2293 output.println("failedboundschk();");
2296 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2297 //Transaction set element case
2298 if (wb.needBarrier(fsen))
2299 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
2300 if (fsen.getSrc().getType().isPtr()) {
2301 output.println("{");
2302 String src=generateTemp(fm, fsen.getSrc(), lb);
2303 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2304 output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2305 output.println("}");
2307 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2309 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2310 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2311 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2312 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2313 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2314 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2317 if (wb.needBarrier(fsen))
2318 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2319 } else if (dstlocal) {
2320 /** Check if we need to copy */
2321 String dst=generateTemp(fm, fsen.getDst(),lb);
2322 output.println("if(!"+dst+"->"+localcopystr+") {");
2323 /* Link object into list */
2324 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2325 output.println(revertptr+"=revertlist;");
2326 if (GENERATEPRECISEGC)
2327 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2329 output.println("COPY_OBJ("+dst+");");
2330 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2331 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2332 output.println("}");
2333 } else throw new Error("Unknown array type");
2335 output.println("{");
2336 String src=generateTemp(fm, fsen.getSrc(), lb);
2337 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2338 output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2339 output.println("}");
2341 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2344 if (state.FASTCHECK) {
2345 String dst=generateTemp(fm, fsen.getDst(),lb);
2346 output.println("if(!"+dst+"->"+localcopystr+") {");
2347 /* Link object into list */
2348 if (GENERATEPRECISEGC)
2349 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2351 output.println("COPY_OBJ("+dst+");");
2352 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2353 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2354 output.println("}");
2356 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2360 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2361 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2362 //Stash pointer in case of GC
2363 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2364 output.println(revertptr+"=revertlist;");
2366 if (state.SINGLETM) {
2367 if (fn.getType().isArray()) {
2368 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2369 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2370 //inside transaction
2371 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2373 //outside transaction
2374 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2377 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2378 //inside transaction
2379 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2381 //outside transaction
2382 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2385 } else if (fn.getType().isArray()) {
2386 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2387 if (fn.isGlobal()) {
2388 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2389 } else if (GENERATEPRECISEGC) {
2390 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2392 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2395 if (fn.isGlobal()) {
2396 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
2397 } else if (GENERATEPRECISEGC) {
2398 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2400 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2403 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2404 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2405 String dst=generateTemp(fm,fn.getDst(),lb);
2406 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2407 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2408 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2410 if (state.FASTCHECK) {
2411 String dst=generateTemp(fm,fn.getDst(),lb);
2412 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2413 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2414 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2418 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2419 if (GENERATEPRECISEGC) {
2420 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2422 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2426 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2427 if (fon.getRight()!=null) {
2428 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2429 if (fon.getLeft().getType().isLong())
2430 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2432 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2435 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2436 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2437 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2438 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2439 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2440 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2441 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2442 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2443 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2444 else if (fon.getOp().getOp()==Operation.COMP)
2445 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2446 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2447 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2449 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2452 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2453 /* TODO: Do type check here */
2454 if (fcn.getType().isArray()) {
2456 } else if (fcn.getType().isClass())
2457 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2459 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2462 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2463 if (fln.getValue()==null)
2464 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2465 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2466 if (GENERATEPRECISEGC) {
2467 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2468 //Stash pointer in case of GC
2469 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2470 output.println(revertptr+"=revertlist;");
2472 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2473 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2474 //Stash pointer in case of GC
2475 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2476 output.println("revertlist="+revertptr+";");
2479 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2481 } else if (fln.getType().isBoolean()) {
2482 if (((Boolean)fln.getValue()).booleanValue())
2483 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2485 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2486 } else if (fln.getType().isChar()) {
2487 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2488 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2489 } else if (fln.getType().isLong()) {
2490 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2492 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2495 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2496 if (frn.getReturnTemp()!=null) {
2497 if (frn.getReturnTemp().getType().isPtr())
2498 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2500 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2502 output.println("return;");
2506 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2507 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2510 /** This method generates header information for the method or
2511 * task referenced by the Descriptor des. */
2513 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2515 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2516 MethodDescriptor md=null;
2517 TaskDescriptor task=null;
2518 if (des instanceof MethodDescriptor)
2519 md=(MethodDescriptor) des;
2521 task=(TaskDescriptor) des;
2523 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2525 if (md!=null&&md.getReturnType()!=null) {
2526 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2527 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2529 output.print(md.getReturnType().getSafeSymbol()+" ");
2531 //catch the constructor case
2532 output.print("void ");
2534 if (state.DSM||state.SINGLETM) {
2535 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2537 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2539 output.print(task.getSafeSymbol()+"(");
2541 boolean printcomma=false;
2542 if (GENERATEPRECISEGC) {
2544 if (state.DSM||state.SINGLETM) {
2545 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2547 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2549 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2555 for(int i=0; i<objectparams.numPrimitives(); i++) {
2556 TempDescriptor temp=objectparams.getPrimitive(i);
2560 if (temp.getType().isClass()||temp.getType().isArray())
2561 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2563 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2565 output.println(") {");
2566 } else if (!GENERATEPRECISEGC) {
2567 /* Imprecise Task */
2568 output.println("void * parameterarray[]) {");
2569 /* Unpack variables */
2570 for(int i=0; i<objectparams.numPrimitives(); i++) {
2571 TempDescriptor temp=objectparams.getPrimitive(i);
2572 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2574 for(int i=0; i<fm.numTags(); i++) {
2575 TempDescriptor temp=fm.getTag(i);
2576 int offset=i+objectparams.numPrimitives();
2577 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2580 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2581 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2582 } else output.println(") {");
2585 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2586 output.println("/* FlatFlagActionNode */");
2589 /* Process tag changes */
2590 Relation tagsettable=new Relation();
2591 Relation tagcleartable=new Relation();
2593 Iterator tagsit=ffan.getTempTagPairs();
2594 while (tagsit.hasNext()) {
2595 TempTagPair ttp=(TempTagPair) tagsit.next();
2596 TempDescriptor objtmp=ttp.getTemp();
2597 TagDescriptor tag=ttp.getTag();
2598 TempDescriptor tagtmp=ttp.getTagTemp();
2599 boolean tagstatus=ffan.getTagChange(ttp);
2601 tagsettable.put(objtmp, tagtmp);
2603 tagcleartable.put(objtmp, tagtmp);
2608 Hashtable flagandtable=new Hashtable();
2609 Hashtable flagortable=new Hashtable();
2611 /* Process flag changes */
2612 Iterator flagsit=ffan.getTempFlagPairs();
2613 while(flagsit.hasNext()) {
2614 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2615 TempDescriptor temp=tfp.getTemp();
2616 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2617 FlagDescriptor flag=tfp.getFlag();
2619 //Newly allocate objects that don't set any flags case
2620 if (flagortable.containsKey(temp)) {
2624 flagortable.put(temp,new Integer(mask));
2626 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2627 boolean flagstatus=ffan.getFlagChange(tfp);
2630 if (flagortable.containsKey(temp)) {
2631 mask=((Integer)flagortable.get(temp)).intValue();
2634 flagortable.put(temp,new Integer(mask));
2636 int mask=0xFFFFFFFF;
2637 if (flagandtable.containsKey(temp)) {
2638 mask=((Integer)flagandtable.get(temp)).intValue();
2640 mask&=(0xFFFFFFFF^flagid);
2641 flagandtable.put(temp,new Integer(mask));
2647 HashSet flagtagset=new HashSet();
2648 flagtagset.addAll(flagortable.keySet());
2649 flagtagset.addAll(flagandtable.keySet());
2650 flagtagset.addAll(tagsettable.keySet());
2651 flagtagset.addAll(tagcleartable.keySet());
2653 Iterator ftit=flagtagset.iterator();
2654 while(ftit.hasNext()) {
2655 TempDescriptor temp=(TempDescriptor)ftit.next();
2658 Set tagtmps=tagcleartable.get(temp);
2659 if (tagtmps!=null) {
2660 Iterator tagit=tagtmps.iterator();
2661 while(tagit.hasNext()) {
2662 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2663 if (GENERATEPRECISEGC)
2664 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2666 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2670 tagtmps=tagsettable.get(temp);
2671 if (tagtmps!=null) {
2672 Iterator tagit=tagtmps.iterator();
2673 while(tagit.hasNext()) {
2674 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2675 if (GENERATEPRECISEGC)
2676 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2678 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2683 int andmask=0xFFFFFFF;
2685 if (flagortable.containsKey(temp))
2686 ormask=((Integer)flagortable.get(temp)).intValue();
2687 if (flagandtable.containsKey(temp))
2688 andmask=((Integer)flagandtable.get(temp)).intValue();
2689 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2690 generateObjectDistribute(ffan, fm, lb, temp, output);
2694 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2695 PrintWriter output, int ormask, int andmask) {
2696 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2697 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2699 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2703 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2704 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
2707 void generateOptionalHeader(PrintWriter headers) {
2710 headers.println("#include \"task.h\"\n\n");
2711 headers.println("#ifndef _OPTIONAL_STRUCT_");
2712 headers.println("#define _OPTIONAL_STRUCT_");
2714 //STRUCT PREDICATEMEMBER
2715 headers.println("struct predicatemember{");
2716 headers.println("int type;");
2717 headers.println("int numdnfterms;");
2718 headers.println("int * flags;");
2719 headers.println("int numtags;");
2720 headers.println("int * tags;\n};\n\n");
2722 //STRUCT OPTIONALTASKDESCRIPTOR
2723 headers.println("struct optionaltaskdescriptor{");
2724 headers.println("struct taskdescriptor * task;");
2725 headers.println("int index;");
2726 headers.println("int numenterflags;");
2727 headers.println("int * enterflags;");
2728 headers.println("int numpredicatemembers;");
2729 headers.println("struct predicatemember ** predicatememberarray;");
2730 headers.println("};\n\n");
2732 //STRUCT TASKFAILURE
2733 headers.println("struct taskfailure {");
2734 headers.println("struct taskdescriptor * task;");
2735 headers.println("int index;");
2736 headers.println("int numoptionaltaskdescriptors;");
2737 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2739 //STRUCT FSANALYSISWRAPPER
2740 headers.println("struct fsanalysiswrapper{");
2741 headers.println("int flags;");
2742 headers.println("int numtags;");
2743 headers.println("int * tags;");
2744 headers.println("int numtaskfailures;");
2745 headers.println("struct taskfailure ** taskfailurearray;");
2746 headers.println("int numoptionaltaskdescriptors;");
2747 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2749 //STRUCT CLASSANALYSISWRAPPER
2750 headers.println("struct classanalysiswrapper{");
2751 headers.println("int type;");
2752 headers.println("int numotd;");
2753 headers.println("struct optionaltaskdescriptor ** otdarray;");
2754 headers.println("int numfsanalysiswrappers;");
2755 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2757 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2759 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2760 while(taskit.hasNext()) {
2761 TaskDescriptor td=(TaskDescriptor)taskit.next();
2762 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2767 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2768 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2769 int predicateindex = 0;
2770 //iterate through the classes concerned by the predicate
2771 Set c_vard = predicate.vardescriptors;
2772 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2775 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
2776 VarDescriptor vard = (VarDescriptor)vard_it.next();
2777 TypeDescriptor typed = vard.getType();
2779 //generate for flags
2780 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2781 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2783 if (fen_hashset!=null) {
2784 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
2785 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2787 DNFFlag dflag=fen.getDNF();
2788 numberterms+=dflag.size();
2790 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2792 for(int j=0; j<dflag.size(); j++) {
2794 output.println(",");
2795 Vector term=dflag.get(j);
2798 for(int k=0; k<term.size(); k++) {
2799 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2800 FlagDescriptor fd=dfa.getFlag();
2801 boolean negated=dfa.getNegated();
2802 int flagid=1<<((Integer)flags.get(fd)).intValue();
2807 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2812 output.println("};\n");
2815 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2816 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2819 for(int j=0; j<tagel.numTags(); j++) {
2821 output.println(",");
2822 TempDescriptor tmp=tagel.getTemp(j);
2823 if (!slotnumber.containsKey(tmp)) {
2824 Integer slotint=new Integer(current_slot++);
2825 slotnumber.put(tmp,slotint);
2827 int slot=slotnumber.get(tmp).intValue();
2828 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2830 numtags = tagel.numTags();
2832 output.println("};");
2834 //store the result into a predicatemember struct
2835 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2836 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2837 output.println("/* number of dnf terms */"+numberterms+",");
2838 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2839 output.println("/* number of tag */"+numtags+",");
2840 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2841 output.println("};\n");
2846 //generate an array that stores the entire predicate
2847 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2848 for( int j = 0; j<predicateindex; j++) {
2849 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2850 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2852 output.println("};\n");
2853 return predicateindex;
2857 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2858 generateOptionalHeader(headers);
2860 output.println("#include \"optionalstruct.h\"\n\n");
2861 output.println("#include \"stdlib.h\"\n");
2863 HashSet processedcd = new HashSet();
2865 Enumeration e = safeexecution.keys();
2866 while (e.hasMoreElements()) {
2869 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2870 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
2872 //Generate the struct of optionals
2873 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2874 numotd = c_otd.size();
2875 if(maxotd<numotd) maxotd = numotd;
2876 if( !c_otd.isEmpty() ) {
2877 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2878 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2880 //generate the int arrays for the predicate
2881 Predicate predicate = otd.predicate;
2882 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
2883 TreeSet<Integer> fsset=new TreeSet<Integer>();
2884 //iterate through possible FSes corresponding to
2885 //the state when entering
2887 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
2888 FlagState fs = (FlagState)fses.next();
2890 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
2891 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2892 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2895 fsset.add(new Integer(flagid));
2896 //tag information not needed because tag
2897 //changes are not tolerated.
2900 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2901 boolean needcomma=false;
2902 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
2905 output.println(it.next());
2908 output.println("};\n");
2911 //generate optionaltaskdescriptor that actually
2912 //includes exit fses, predicate and the task
2914 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2915 output.println("&task_"+otd.td.getSafeSymbol()+",");
2916 output.println("/*index*/"+otd.getIndex()+",");
2917 output.println("/*number of enter flags*/"+fsset.size()+",");
2918 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2919 output.println("/*number of members */"+predicateindex+",");
2920 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2921 output.println("};\n");
2925 // if there are no optionals, there is no need to build the rest of the struct
2927 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
2928 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2929 if( !c_otd.isEmpty() ) {
2930 boolean needcomma=false;
2931 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2932 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2934 output.println(",");
2936 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2939 output.println("};\n");
2941 //get all the possible flagstates reachable by an object
2942 Hashtable hashtbtemp = safeexecution.get(cdtemp);
2944 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
2945 fsts.addAll(hashtbtemp.keySet());
2946 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
2947 FlagState fs = (FlagState)fsit.next();
2950 //get the set of OptionalTaskDescriptors corresponding
2951 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
2952 //iterate through the OptionalTaskDescriptors and
2953 //store the pointers to the optionals struct (see on
2954 //top) into an array
2956 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
2957 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
2958 OptionalTaskDescriptor mm = mos.next();
2960 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
2962 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2965 output.println("};\n");
2967 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
2970 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
2971 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2972 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2976 //process tag information
2979 boolean first = true;
2980 Enumeration tag_enum = fs.getTags();
2981 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2982 while(tag_enum.hasMoreElements()) {
2984 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
2988 output.println(", ");
2989 output.println("/*tagid*/"+state.getTagId(tagd));
2991 output.println("};");
2993 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
2994 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
2995 TaskIndex ti=itti.next();
2999 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3001 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3002 boolean needcomma=false;
3003 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
3004 OptionalTaskDescriptor otd=otdit.next();
3008 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3010 output.println("};");
3012 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3013 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3014 output.print(ti.getIndex()+", ");
3015 output.print(otdset.size()+", ");
3016 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3017 output.println("};");
3020 tiset=sa.getTaskIndex(fs);
3021 boolean needcomma=false;
3023 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3024 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3025 TaskIndex ti=itti.next();
3026 if (ti.isRuntime()) {
3033 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3035 output.println("};\n");
3037 //Store the result in fsanalysiswrapper
3039 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3040 output.println("/*flag*/"+flagid+",");
3041 output.println("/* number of tags*/"+tagcounter+",");
3042 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3043 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3044 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3045 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3046 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3047 output.println("};\n");
3051 //Build the array of fsanalysiswrappers
3052 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3053 boolean needcomma=false;
3054 for(int i = 0; i<fscounter; i++) {
3055 if (needcomma) output.print(",");
3056 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3059 output.println("};");
3061 //Build the classanalysiswrapper referring to the previous array
3062 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3063 output.println("/*type*/"+cdtemp.getId()+",");
3064 output.println("/*numotd*/"+numotd+",");
3065 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3066 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3067 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3068 processedcd.add(cdtemp);
3071 //build an array containing every classes for which code has been build
3072 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3073 for(int i=0; i<state.numClasses(); i++) {
3074 ClassDescriptor cn=cdarray[i];
3077 if (processedcd.contains(cn))
3078 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3080 output.print("NULL");
3082 output.println("};");
3084 output.println("#define MAXOTD "+maxotd);
3085 headers.println("#endif");
3088 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3089 Relation r=new Relation();
3090 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
3091 OptionalTaskDescriptor otd=otdit.next();
3092 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3096 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3097 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
3098 Set s=r.get(it.next());
3099 for(Iterator it2=s.iterator(); it2.hasNext();) {
3100 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3108 protected void outputTransCode(PrintWriter output) {