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.*;
23 public class BuildCode {
26 Hashtable paramstable;
31 String localsprefix="___locals___";
32 String paramsprefix="___params___";
33 String oidstr="___nextobject___";
34 String nextobjstr="___nextobject___";
35 String localcopystr="___localcopy___";
36 public static boolean GENERATEPRECISEGC=false;
37 public static String PREFIX="";
38 public static String arraytype="ArrayObject";
39 public static int flagcount = 0;
42 protected int maxtaskparams=0;
43 private int maxcount=0;
44 ClassDescriptor[] cdarray;
45 TypeDescriptor[] arraytable;
46 LocalityAnalysis locality;
47 Hashtable<TempDescriptor, TempDescriptor> backuptable;
48 Hashtable<LocalityBinding, TempDescriptor> reverttable;
52 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
53 this(st, temptovar, typeutil, null, sa, pa);
56 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
57 this(st, temptovar, typeutil, locality, null, pa);
60 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa) {
64 this.temptovar=temptovar;
65 paramstable=new Hashtable();
66 tempstable=new Hashtable();
67 fieldorder=new Hashtable();
68 flagorder=new Hashtable();
69 this.typeutil=typeutil;
70 virtualcalls=new Virtual(state,locality);
72 this.locality=locality;
73 this.backuptable=new Hashtable<TempDescriptor, TempDescriptor>();
74 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
78 /** The buildCode method outputs C code for all the methods. The Flat
79 * versions of the methods must already be generated and stored in
80 * the State object. */
82 public void buildCode() {
83 /* Create output streams to write to */
84 PrintWriter outclassdefs=null;
85 PrintWriter outstructs=null;
86 PrintWriter outrepairstructs=null;
87 PrintWriter outmethodheader=null;
88 PrintWriter outmethod=null;
89 PrintWriter outvirtual=null;
90 PrintWriter outtask=null;
91 PrintWriter outtaskdefs=null;
92 PrintWriter outoptionalarrays=null;
93 PrintWriter optionalheaders=null;
96 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
97 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
98 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
99 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
100 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
102 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
103 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
104 if (state.OPTIONAL) {
105 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
106 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
109 if (state.structfile!=null) {
110 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
112 } catch (Exception e) {
117 /* Build the virtual dispatch tables */
118 buildVirtualTables(outvirtual);
120 /* Output includes */
121 outmethodheader.println("#ifndef METHODHEADERS_H");
122 outmethodheader.println("#define METHODHEADERS_H");
123 outmethodheader.println("#include \"structdefs.h\"");
125 outmethodheader.println("#include \"dstm.h\"");
127 /* Output Structures */
128 outputStructs(outstructs);
130 // Output the C class declarations
131 // These could mutually reference each other
132 outputClassDeclarations(outclassdefs);
134 // Output function prototypes and structures for parameters
135 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
136 while(it.hasNext()) {
137 ClassDescriptor cn=(ClassDescriptor)it.next();
138 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
140 outclassdefs.close();
143 /* Map flags to integers */
144 /* The runtime keeps track of flags using these integers */
145 it=state.getClassSymbolTable().getDescriptorsIterator();
146 while(it.hasNext()) {
147 ClassDescriptor cn=(ClassDescriptor)it.next();
151 generateTaskStructs(outstructs, outmethodheader);
153 /* Outputs generic task structures if this is a task
155 outputTaskTypes(outtask);
158 /* Build the actual methods */
159 outputMethods(outmethod);
162 /* Output code for tasks */
163 outputTaskCode(outtaskdefs, outmethod);
165 /* Record maximum number of task parameters */
166 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
167 } else if (state.main!=null) {
168 /* Generate main method */
169 outputMainMethod(outmethod);
172 /* Generate information for task with optional parameters */
173 if (state.TASK&&state.OPTIONAL) {
174 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
175 outoptionalarrays.close();
178 /* Output structure definitions for repair tool */
179 if (state.structfile!=null) {
180 buildRepairStructs(outrepairstructs);
181 outrepairstructs.close();
185 outmethodheader.println("#endif");
186 outmethodheader.close();
188 outstructs.println("#endif");
192 /* This code just generates the main C method for java programs.
193 * The main C method packs up the arguments into a string array
194 * and passes it to the java main method. */
196 private void outputMainMethod(PrintWriter outmethod) {
197 outmethod.println("int main(int argc, const char *argv[]) {");
198 outmethod.println(" int i;");
199 outmethod.println("#ifdef TRANSSTATS \n");
200 outmethod.println("handle();\n");
201 outmethod.println("#endif\n");
202 if (state.THREAD||state.DSM) {
203 outmethod.println("initializethreads();");
206 outmethod.println("if (dstmStartup(argv[1])) {");
207 if (GENERATEPRECISEGC) {
208 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
210 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
213 if (GENERATEPRECISEGC) {
214 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
216 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
220 outmethod.println(" for(i=2;i<argc;i++) {");
222 outmethod.println(" for(i=1;i<argc;i++) {");
223 outmethod.println(" int length=strlen(argv[i]);");
224 if (GENERATEPRECISEGC) {
225 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
227 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
230 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
232 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
233 outmethod.println(" }");
236 MethodDescriptor md=typeutil.getMain();
237 ClassDescriptor cd=typeutil.getMainClass();
239 outmethod.println(" {");
240 if (GENERATEPRECISEGC) {
242 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
244 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
245 outmethod.println("1, NULL,"+"stringarray};");
247 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
249 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
252 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
254 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
256 outmethod.println(" }");
259 outmethod.println("}");
262 if (state.THREAD||state.DSM) {
263 outmethod.println("pthread_mutex_lock(&gclistlock);");
264 outmethod.println("threadcount--;");
265 outmethod.println("pthread_cond_signal(&gccond);");
266 outmethod.println("pthread_mutex_unlock(&gclistlock);");
268 outmethod.println("pthread_exit(NULL);");
271 outmethod.println("#ifdef TRANSSTATS \n");
272 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
273 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
274 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
275 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
276 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
277 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
278 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
279 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
280 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
281 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
282 outmethod.println("#endif\n");
283 outmethod.println("}");
287 /* This method outputs code for each task. */
289 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
290 /* Compile task based program */
291 outtaskdefs.println("#include \"task.h\"");
292 outtaskdefs.println("#include \"methodheaders.h\"");
293 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
294 while(taskit.hasNext()) {
295 TaskDescriptor td=(TaskDescriptor)taskit.next();
296 FlatMethod fm=state.getMethodFlat(td);
297 generateFlatMethod(fm, null, outmethod);
298 generateTaskDescriptor(outtaskdefs, fm, td);
301 //Output task descriptors
302 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
303 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
305 while(taskit.hasNext()) {
306 TaskDescriptor td=(TaskDescriptor)taskit.next();
310 outtaskdefs.println(",");
311 outtaskdefs.print("&task_"+td.getSafeSymbol());
313 outtaskdefs.println("};");
315 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
318 /* This method outputs most of the methods.c file. This includes
319 * some standard includes and then an array with the sizes of
320 * objets and array that stores supertype and then the code for
321 * the Java methods.. */
323 protected void outputMethods(PrintWriter outmethod) {
324 outmethod.println("#include \"methodheaders.h\"");
325 outmethod.println("#include \"virtualtable.h\"");
326 outmethod.println("#include \"runtime.h\"");
328 outmethod.println("#include \"addPrefetchEnhance.h\"");
329 outmethod.println("#include \"localobjects.h\"");
331 if(state.MULTICORE) {
332 outmethod.println("#include \"task.h\"");
334 if (state.THREAD||state.DSM)
335 outmethod.println("#include <thread.h>");
336 if (state.main!=null) {
337 outmethod.println("#include <string.h>");
339 if (state.CONSCHECK) {
340 outmethod.println("#include \"checkers.h\"");
342 //Store the sizes of classes & array elements
343 generateSizeArray(outmethod);
345 //Store table of supertypes
346 generateSuperTypeTable(outmethod);
348 //Store the layout of classes
349 generateLayoutStructs(outmethod);
351 /* Generate code for methods */
353 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
354 LocalityBinding lb=lbit.next();
355 MethodDescriptor md=lb.getMethod();
356 FlatMethod fm=state.getMethodFlat(md);
357 if (!md.getModifiers().isNative()) {
358 generateFlatMethod(fm, lb, outmethod);
362 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
363 while(classit.hasNext()) {
364 ClassDescriptor cn=(ClassDescriptor)classit.next();
365 Iterator methodit=cn.getMethods();
366 while(methodit.hasNext()) {
367 /* Classify parameters */
368 MethodDescriptor md=(MethodDescriptor)methodit.next();
369 FlatMethod fm=state.getMethodFlat(md);
370 if (!md.getModifiers().isNative()) {
371 generateFlatMethod(fm, null, outmethod);
378 protected void outputStructs(PrintWriter outstructs) {
379 outstructs.println("#ifndef STRUCTDEFS_H");
380 outstructs.println("#define STRUCTDEFS_H");
381 outstructs.println("#include \"classdefs.h\"");
383 /* Output #defines that the runtime uses to determine type
384 * numbers for various objects it needs */
385 outstructs.println("#define MAXCOUNT "+maxcount);
387 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
388 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
389 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
392 outstructs.println("#define STRINGARRAYTYPE "+
393 (state.getArrayNumber(
394 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
396 outstructs.println("#define OBJECTARRAYTYPE "+
397 (state.getArrayNumber(
398 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
401 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
402 outstructs.println("#define CHARARRAYTYPE "+
403 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
405 outstructs.println("#define BYTEARRAYTYPE "+
406 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
408 outstructs.println("#define BYTEARRAYARRAYTYPE "+
409 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
411 outstructs.println("#define NUMCLASSES "+state.numClasses());
413 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
414 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
415 outstructs.println("#define TAGARRAYTYPE "+
416 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
420 protected void outputClassDeclarations(PrintWriter outclassdefs) {
421 if (state.THREAD||state.DSM)
422 outclassdefs.println("#include <pthread.h>");
424 outclassdefs.println("#include \"optionalstruct.h\"");
425 outclassdefs.println("struct "+arraytype+";");
426 /* Start by declaring all structs */
427 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
428 while(it.hasNext()) {
429 ClassDescriptor cn=(ClassDescriptor)it.next();
430 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
432 outclassdefs.println("");
433 //Print out definition for array type
434 outclassdefs.println("struct "+arraytype+" {");
435 outclassdefs.println(" int type;");
437 outclassdefs.println(" pthread_t tid;");
438 outclassdefs.println(" void * lockentry;");
439 outclassdefs.println(" int lockcount;");
442 outclassdefs.println(" int flag;");
443 if(!state.MULTICORE) {
444 outclassdefs.println(" void * flagptr;");
446 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
447 outclassdefs.println(" int version;");
448 outclassdefs.println(" struct ___Object___ * original;");
449 //outclassdefs.println(" int numlocks;"); // array for locks
450 outclassdefs.println(" int * lock;");
453 outclassdefs.println(" int numfses;");
454 outclassdefs.println(" int * fses;");
457 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
459 outclassdefs.println(" int ___length___;");
460 outclassdefs.println("};\n");
461 outclassdefs.println("extern int classsize[];");
462 outclassdefs.println("extern int hasflags[];");
463 outclassdefs.println("extern unsigned int * pointerarray[];");
464 outclassdefs.println("extern int supertypes[];");
467 /** Prints out definitions for generic task structures */
469 private void outputTaskTypes(PrintWriter outtask) {
470 outtask.println("#ifndef _TASK_H");
471 outtask.println("#define _TASK_H");
472 outtask.println("struct parameterdescriptor {");
473 outtask.println("int type;");
474 outtask.println("int numberterms;");
475 outtask.println("int *intarray;");
476 outtask.println("void * queue;");
477 outtask.println("int numbertags;");
478 outtask.println("int *tagarray;");
479 outtask.println("};");
481 outtask.println("struct taskdescriptor {");
482 outtask.println("void * taskptr;");
483 outtask.println("int numParameters;");
484 outtask.println(" int numTotal;");
485 outtask.println("struct parameterdescriptor **descriptorarray;");
486 outtask.println("char * name;");
487 outtask.println("};");
488 outtask.println("extern struct taskdescriptor * taskarray[];");
489 outtask.println("extern numtasks;");
490 outtask.println("#endif");
494 private void buildRepairStructs(PrintWriter outrepairstructs) {
495 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
496 while(classit.hasNext()) {
497 ClassDescriptor cn=(ClassDescriptor)classit.next();
498 outrepairstructs.println("structure "+cn.getSymbol()+" {");
499 outrepairstructs.println(" int __type__;");
501 outrepairstructs.println(" int __flag__;");
502 if(!state.MULTICORE) {
503 outrepairstructs.println(" int __flagptr__;");
506 printRepairStruct(cn, outrepairstructs);
507 outrepairstructs.println("}\n");
510 for(int i=0; i<state.numArrays(); i++) {
511 TypeDescriptor tdarray=arraytable[i];
512 TypeDescriptor tdelement=tdarray.dereference();
513 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
514 outrepairstructs.println(" int __type__;");
515 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
516 outrepairstructs.println(" int length;");
518 // Need to add support to repair tool for this
519 if (tdelement.isClass()||tdelement.isArray())
520 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
522 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
524 outrepairstructs.println("}\n");
528 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
529 ClassDescriptor sp=cn.getSuperDesc();
531 printRepairStruct(sp, output);
533 Vector fields=(Vector)fieldorder.get(cn);
535 for(int i=0; i<fields.size(); i++) {
536 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
537 if (fd.getType().isArray()) {
538 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
539 } else if (fd.getType().isClass())
540 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
541 else if (fd.getType().isFloat())
542 output.println(" int "+fd.getSymbol()+"; /* really float */");
544 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
548 /** This method outputs TaskDescriptor information */
549 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
550 for (int i=0; i<task.numParameters(); i++) {
551 VarDescriptor param_var=task.getParameter(i);
552 TypeDescriptor param_type=task.getParamType(i);
553 FlagExpressionNode param_flag=task.getFlag(param_var);
554 TagExpressionList param_tag=task.getTag(param_var);
557 if (param_flag==null) {
558 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
559 output.println("0x0, 0x0 };");
562 DNFFlag dflag=param_flag.getDNF();
563 dnfterms=dflag.size();
565 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
566 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
567 for(int j=0; j<dflag.size(); j++) {
570 Vector term=dflag.get(j);
573 for(int k=0; k<term.size(); k++) {
574 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
575 FlagDescriptor fd=dfa.getFlag();
576 boolean negated=dfa.getNegated();
577 int flagid=1<<((Integer)flags.get(fd)).intValue();
582 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
584 output.println("};");
587 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
588 //BUG...added next line to fix, test with any task program
590 for(int j=0; j<param_tag.numTags(); j++) {
593 /* for each tag we need */
594 /* which slot it is */
595 /* what type it is */
596 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
597 TempDescriptor tmp=param_tag.getTemp(j);
598 int slot=fm.getTagInt(tmp);
599 output.println(slot+", "+state.getTagId(tvd.getTag()));
601 output.println("};");
603 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
604 output.println("/* type */"+param_type.getClassDesc().getId()+",");
605 output.println("/* number of DNF terms */"+dnfterms+",");
606 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
607 output.println("0,");
608 //BUG, added next line to fix and else statement...test
609 //with any task program
611 output.println("/* number of tags */"+param_tag.numTags()+",");
613 output.println("/* number of tags */ 0,");
614 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
615 output.println("};");
619 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
620 for (int i=0; i<task.numParameters(); i++) {
623 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
625 output.println("};");
627 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
628 output.println("&"+task.getSafeSymbol()+",");
629 output.println("/* number of parameters */" +task.numParameters() + ",");
630 int numtotal=task.numParameters()+fm.numTags();
631 output.println("/* number total parameters */" +numtotal + ",");
632 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
633 output.println("\""+task.getSymbol()+"\"");
634 output.println("};");
638 /** The buildVirtualTables method outputs the virtual dispatch
639 * tables for methods. */
641 protected void buildVirtualTables(PrintWriter outvirtual) {
642 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
643 while(classit.hasNext()) {
644 ClassDescriptor cd=(ClassDescriptor)classit.next();
645 if (virtualcalls.getMethodCount(cd)>maxcount)
646 maxcount=virtualcalls.getMethodCount(cd);
648 MethodDescriptor[][] virtualtable=null;
649 LocalityBinding[][] lbvirtualtable=null;
651 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
653 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
655 /* Fill in virtual table */
656 classit=state.getClassSymbolTable().getDescriptorsIterator();
657 while(classit.hasNext()) {
658 ClassDescriptor cd=(ClassDescriptor)classit.next();
660 fillinRow(cd, lbvirtualtable, cd.getId());
662 fillinRow(cd, virtualtable, cd.getId());
665 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
666 Iterator arrayit=state.getArrayIterator();
667 while(arrayit.hasNext()) {
668 TypeDescriptor td=(TypeDescriptor)arrayit.next();
669 int id=state.getArrayNumber(td);
671 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
673 fillinRow(objectcd, virtualtable, id+state.numClasses());
676 outvirtual.print("void * virtualtable[]={");
677 boolean needcomma=false;
678 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
679 for(int j=0; j<maxcount; j++) {
681 outvirtual.print(", ");
682 if (state.DSM&&lbvirtualtable[i][j]!=null) {
683 LocalityBinding lb=lbvirtualtable[i][j];
684 MethodDescriptor md=lb.getMethod();
685 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
686 } else if (!state.DSM&&virtualtable[i][j]!=null) {
687 MethodDescriptor md=virtualtable[i][j];
688 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
690 outvirtual.print("0");
694 outvirtual.println("");
696 outvirtual.println("};");
700 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
701 /* Get inherited methods */
702 if (cd.getSuperDesc()!=null)
703 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
704 /* Override them with our methods */
705 for(Iterator it=cd.getMethods(); it.hasNext();) {
706 MethodDescriptor md=(MethodDescriptor)it.next();
707 if (md.isStatic()||md.getReturnType()==null)
709 int methodnum=virtualcalls.getMethodNumber(md);
710 virtualtable[rownum][methodnum]=md;
714 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
715 /* Get inherited methods */
716 if (cd.getSuperDesc()!=null)
717 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
718 /* Override them with our methods */
719 if (locality.getClassBindings(cd)!=null)
720 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
721 LocalityBinding lb=lbit.next();
722 MethodDescriptor md=lb.getMethod();
723 //Is the method static or a constructor
724 if (md.isStatic()||md.getReturnType()==null)
726 int methodnum=virtualcalls.getLocalityNumber(lb);
727 virtualtable[rownum][methodnum]=lb;
732 /** Generate array that contains the sizes of class objects. The
733 * object allocation functions in the runtime use this
736 private void generateSizeArray(PrintWriter outclassdefs) {
737 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
738 outclassdefs.print("#ifdef TRANSSTATS \n");
739 outclassdefs.print("extern int numTransAbort;\n");
740 outclassdefs.print("extern int numTransCommit;\n");
741 outclassdefs.print("extern int nchashSearch;\n");
742 outclassdefs.print("extern int nmhashSearch;\n");
743 outclassdefs.print("extern int nprehashSearch;\n");
744 outclassdefs.print("extern int nRemoteSend;\n");
745 outclassdefs.print("extern int nSoftAbort;\n");
746 outclassdefs.print("extern int bytesSent;\n");
747 outclassdefs.print("extern int bytesRecv;\n");
748 outclassdefs.print("extern void handle();\n");
749 outclassdefs.print("#endif\n");
750 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
752 outclassdefs.print("int classsize[]={");
753 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
754 cdarray=new ClassDescriptor[state.numClasses()];
755 while(it.hasNext()) {
756 ClassDescriptor cd=(ClassDescriptor)it.next();
757 cdarray[cd.getId()]=cd;
759 boolean needcomma=false;
760 for(int i=0; i<state.numClasses(); i++) {
762 outclassdefs.print(", ");
763 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
767 arraytable=new TypeDescriptor[state.numArrays()];
769 Iterator arrayit=state.getArrayIterator();
770 while(arrayit.hasNext()) {
771 TypeDescriptor td=(TypeDescriptor)arrayit.next();
772 int id=state.getArrayNumber(td);
776 for(int i=0; i<state.numArrays(); i++) {
778 outclassdefs.print(", ");
779 TypeDescriptor tdelement=arraytable[i].dereference();
780 if (tdelement.isArray()||tdelement.isClass())
781 outclassdefs.print("sizeof(void *)");
783 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
787 outclassdefs.println("};");
790 /** Constructs params and temp objects for each method or task.
791 * These objects tell the compiler which temps need to be
794 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
795 MethodDescriptor md=fm.getMethod();
796 TaskDescriptor task=fm.getTask();
797 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
798 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
801 paramstable.put(lb, objectparams);
803 paramstable.put(md, objectparams);
805 paramstable.put(task, objectparams);
807 for(int i=0; i<fm.numParameters(); i++) {
808 TempDescriptor temp=fm.getParameter(i);
809 TypeDescriptor type=temp.getType();
810 if (type.isPtr()&&GENERATEPRECISEGC)
811 objectparams.addPtr(temp);
813 objectparams.addPrim(temp);
814 if(lb!=null&&saveset.contains(temp)) {
815 backuptable.put(temp, temp.createNew());
819 for(int i=0; i<fm.numTags(); i++) {
820 TempDescriptor temp=fm.getTag(i);
821 if (GENERATEPRECISEGC)
822 objectparams.addPtr(temp);
824 objectparams.addPrim(temp);
827 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
829 tempstable.put(lb, objecttemps);
831 tempstable.put(md, objecttemps);
833 tempstable.put(task, objecttemps);
835 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
836 FlatNode fn=(FlatNode)nodeit.next();
837 TempDescriptor[] writes=fn.writesTemps();
838 for(int i=0; i<writes.length; i++) {
839 TempDescriptor temp=writes[i];
840 TypeDescriptor type=temp.getType();
841 if (type.isPtr()&&GENERATEPRECISEGC)
842 objecttemps.addPtr(temp);
844 objecttemps.addPrim(temp);
845 if(lb!=null&&saveset.contains(temp)&&
846 !backuptable.containsKey(temp))
847 backuptable.put(temp, temp.createNew());
851 /* Create backup temps */
853 for(Iterator<TempDescriptor> tmpit=backuptable.values().iterator(); tmpit.hasNext();) {
854 TempDescriptor tmp=tmpit.next();
855 TypeDescriptor type=tmp.getType();
856 if (type.isPtr()&&GENERATEPRECISEGC)
857 objecttemps.addPtr(tmp);
859 objecttemps.addPrim(tmp);
861 /* Create temp to hold revert table */
862 if (lb.getHasAtomic()||lb.isAtomic()) {
863 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
864 if (GENERATEPRECISEGC)
865 objecttemps.addPtr(reverttmp);
867 objecttemps.addPrim(reverttmp);
868 reverttable.put(lb, reverttmp);
873 /** This method outputs the following information about classes
875 * (1) For classes, what are the locations of pointers.
876 * (2) For arrays, does the array contain pointers or primitives.
877 * (3) For classes, does the class contain flags.
880 private void generateLayoutStructs(PrintWriter output) {
881 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
882 while(it.hasNext()) {
883 ClassDescriptor cn=(ClassDescriptor)it.next();
884 output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
885 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
887 while(allit.hasNext()) {
888 FieldDescriptor fd=(FieldDescriptor)allit.next();
889 TypeDescriptor type=fd.getType();
890 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
896 allit=cn.getFieldTable().getAllDescriptorsIterator();
897 while(allit.hasNext()) {
898 FieldDescriptor fd=(FieldDescriptor)allit.next();
899 TypeDescriptor type=fd.getType();
900 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
904 output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
907 output.println("};");
909 output.println("unsigned int * pointerarray[]={");
910 boolean needcomma=false;
911 for(int i=0; i<state.numClasses(); i++) {
912 ClassDescriptor cn=cdarray[i];
916 output.print(cn.getSafeSymbol()+"_pointers");
919 for(int i=0; i<state.numArrays(); i++) {
921 output.println(", ");
922 TypeDescriptor tdelement=arraytable[i].dereference();
923 if (tdelement.isArray()||tdelement.isClass())
924 output.print("((unsigned int *)1)");
930 output.println("};");
932 output.println("int hasflags[]={");
933 for(int i=0; i<state.numClasses(); i++) {
934 ClassDescriptor cn=cdarray[i];
936 output.println(", ");
943 output.println("};");
946 /** Print out table to give us supertypes */
947 private void generateSuperTypeTable(PrintWriter output) {
948 output.println("int supertypes[]={");
949 boolean needcomma=false;
950 for(int i=0; i<state.numClasses(); i++) {
951 ClassDescriptor cn=cdarray[i];
955 if (cn.getSuperDesc()!=null) {
956 ClassDescriptor cdsuper=cn.getSuperDesc();
957 output.print(cdsuper.getId());
961 output.println("};");
964 /** Force consistent field ordering between inherited classes. */
966 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
968 ClassDescriptor sp=cn.getSuperDesc();
970 printClassStruct(sp, classdefout);
972 if (!fieldorder.containsKey(cn)) {
973 Vector fields=new Vector();
974 fieldorder.put(cn,fields);
975 if (sp==null&&!state.TASK) {
976 fields.add(cn.getFieldTable().get("cachedCode"));
978 Iterator fieldit=cn.getFields();
979 while(fieldit.hasNext()) {
980 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
981 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
982 (!fd.getSymbol().equals("cachedCode")||state.TASK))
986 Vector fields=(Vector)fieldorder.get(cn);
988 for(int i=0; i<fields.size(); i++) {
989 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
990 if (fd.getType().isClass()||fd.getType().isArray())
991 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
993 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
998 /* Map flags to integers consistently between inherited
1001 protected void mapFlags(ClassDescriptor cn) {
1002 ClassDescriptor sp=cn.getSuperDesc();
1006 if (!flagorder.containsKey(cn)) {
1007 Hashtable flags=new Hashtable();
1008 flagorder.put(cn,flags);
1010 Hashtable superflags=(Hashtable)flagorder.get(sp);
1011 Iterator superflagit=superflags.keySet().iterator();
1012 while(superflagit.hasNext()) {
1013 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1014 Integer number=(Integer)superflags.get(fd);
1015 flags.put(fd, number);
1016 if ((number.intValue()+1)>max)
1017 max=number.intValue()+1;
1021 Iterator flagit=cn.getFlags();
1022 while(flagit.hasNext()) {
1023 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1024 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1025 flags.put(fd, new Integer(max++));
1031 /** This function outputs (1) structures that parameters are
1032 * passed in (when PRECISE GC is enabled) and (2) function
1033 * prototypes for the methods */
1035 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1036 /* Output class structure */
1037 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1038 classdefout.println(" int type;");
1040 classdefout.println(" pthread_t tid;");
1041 classdefout.println(" void * lockentry;");
1042 classdefout.println(" int lockcount;");
1046 classdefout.println(" int flag;");
1047 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1048 classdefout.println(" void * flagptr;");
1049 } else if (state.MULTICORE) {
1050 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1051 classdefout.println(" int version;");
1052 classdefout.println(" struct ___Object___ * original;");
1053 //classdefout.println(" int numlocks;"); // array for locks
1054 classdefout.println(" int * lock;");
1056 if (state.OPTIONAL) {
1057 classdefout.println(" int numfses;");
1058 classdefout.println(" int * fses;");
1061 printClassStruct(cn, classdefout);
1062 classdefout.println("};\n");
1065 /* Cycle through LocalityBindings */
1066 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1067 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1069 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1070 LocalityBinding lb=lbit.next();
1071 MethodDescriptor md=lb.getMethod();
1072 if (md.getModifiers().isNative()) {
1073 //make sure we only print a native method once
1074 if (nativemethods.contains(md)) {
1075 FlatMethod fm=state.getMethodFlat(md);
1076 generateTempStructs(fm, lb);
1079 nativemethods.add(md);
1081 generateMethod(cn, md, lb, headersout, output);
1084 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1085 MethodDescriptor md=(MethodDescriptor)methodit.next();
1086 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1087 //Need to build param structure for library code
1088 FlatMethod fm=state.getMethodFlat(md);
1089 generateTempStructs(fm, null);
1090 generateMethodParam(cn, md, null, output);
1095 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1096 MethodDescriptor md=(MethodDescriptor)methodit.next();
1097 generateMethod(cn, md, null, headersout, output);
1101 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1102 /* Output parameter structure */
1103 if (GENERATEPRECISEGC) {
1104 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1105 if (state.DSM&&lb!=null)
1106 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1108 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1109 output.println(" int size;");
1110 output.println(" void * next;");
1111 for(int i=0; i<objectparams.numPointers(); i++) {
1112 TempDescriptor temp=objectparams.getPointer(i);
1113 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1115 output.println("};\n");
1120 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1121 FlatMethod fm=state.getMethodFlat(md);
1122 generateTempStructs(fm, lb);
1124 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1125 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1127 generateMethodParam(cn, md, lb, output);
1129 /* Output temp structure */
1130 if (GENERATEPRECISEGC) {
1132 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1134 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1135 output.println(" int size;");
1136 output.println(" void * next;");
1137 for(int i=0; i<objecttemps.numPointers(); i++) {
1138 TempDescriptor temp=objecttemps.getPointer(i);
1139 if (temp.getType().isNull())
1140 output.println(" void * "+temp.getSafeSymbol()+";");
1142 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1144 output.println("};\n");
1147 /********* Output method declaration ***********/
1149 /* First the return type */
1150 if (md.getReturnType()!=null) {
1151 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1152 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1154 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1156 //catch the constructor case
1157 headersout.print("void ");
1159 /* Next the method name */
1161 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1163 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1165 boolean printcomma=false;
1166 if (GENERATEPRECISEGC) {
1168 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1170 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1174 if (state.DSM&&lb.isAtomic()&&!md.getModifiers().isNative()) {
1176 headersout.print(", ");
1177 headersout.print("transrecord_t * trans");
1181 /* Output parameter list*/
1182 for(int i=0; i<objectparams.numPrimitives(); i++) {
1183 TempDescriptor temp=objectparams.getPrimitive(i);
1185 headersout.print(", ");
1187 if (temp.getType().isClass()||temp.getType().isArray())
1188 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1190 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1192 headersout.println(");\n");
1196 /** This function outputs (1) structures that parameters are
1197 * passed in (when PRECISE GC is enabled) and (2) function
1198 * prototypes for the tasks */
1200 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1201 /* Cycle through tasks */
1202 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1204 while(taskit.hasNext()) {
1205 /* Classify parameters */
1206 TaskDescriptor task=(TaskDescriptor)taskit.next();
1207 FlatMethod fm=state.getMethodFlat(task);
1208 generateTempStructs(fm, null);
1210 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1211 TempObject objecttemps=(TempObject) tempstable.get(task);
1213 /* Output parameter structure */
1214 if (GENERATEPRECISEGC) {
1215 output.println("struct "+task.getSafeSymbol()+"_params {");
1217 output.println(" int size;");
1218 output.println(" void * next;");
1219 for(int i=0; i<objectparams.numPointers(); i++) {
1220 TempDescriptor temp=objectparams.getPointer(i);
1221 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1224 output.println("};\n");
1225 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1226 maxtaskparams=objectparams.numPointers()+fm.numTags();
1230 /* Output temp structure */
1231 if (GENERATEPRECISEGC) {
1232 output.println("struct "+task.getSafeSymbol()+"_locals {");
1233 output.println(" int size;");
1234 output.println(" void * next;");
1235 for(int i=0; i<objecttemps.numPointers(); i++) {
1236 TempDescriptor temp=objecttemps.getPointer(i);
1237 if (temp.getType().isNull())
1238 output.println(" void * "+temp.getSafeSymbol()+";");
1239 else if(temp.getType().isTag())
1240 output.println(" struct "+
1241 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1243 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1245 output.println("};\n");
1248 /* Output task declaration */
1249 headersout.print("void " + task.getSafeSymbol()+"(");
1251 boolean printcomma=false;
1252 if (GENERATEPRECISEGC) {
1253 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1255 headersout.print("void * parameterarray[]");
1256 headersout.println(");\n");
1260 /***** Generate code for FlatMethod fm. *****/
1262 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1263 if (State.PRINTFLAT)
1264 System.out.println(fm.printMethod());
1265 MethodDescriptor md=fm.getMethod();
1267 TaskDescriptor task=fm.getTask();
1269 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1271 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1272 generateHeader(fm, lb, md!=null ? md : task,output);
1273 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1274 if (state.DSM&&lb.getHasAtomic()) {
1275 output.println("transrecord_t * trans;");
1278 if (GENERATEPRECISEGC) {
1279 if (md!=null&&state.DSM)
1280 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1281 else if (md!=null&&!state.DSM)
1282 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1284 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1286 output.print(objecttemp.numPointers()+",");
1287 output.print(paramsprefix);
1288 for(int j=0; j<objecttemp.numPointers(); j++)
1289 output.print(", NULL");
1290 output.println("};");
1293 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1294 TempDescriptor td=objecttemp.getPrimitive(i);
1295 TypeDescriptor type=td.getType();
1297 output.println(" void * "+td.getSafeSymbol()+";");
1298 else if (type.isClass()||type.isArray())
1299 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1301 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1304 /* Assign labels to FlatNode's if necessary.*/
1306 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(fm);
1308 /* Check to see if we need to do a GC if this is a
1309 * multi-threaded program...*/
1311 if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
1312 if (state.DSM&&lb.isAtomic())
1313 output.println("if (needtocollect) checkcollect2(&"+localsprefix+",trans);");
1315 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1318 /* Do the actual code generation */
1319 FlatNode current_node=null;
1320 HashSet tovisit=new HashSet();
1321 HashSet visited=new HashSet();
1322 tovisit.add(fm.getNext(0));
1323 while(current_node!=null||!tovisit.isEmpty()) {
1324 if (current_node==null) {
1325 current_node=(FlatNode)tovisit.iterator().next();
1326 tovisit.remove(current_node);
1328 visited.add(current_node);
1329 if (nodetolabel.containsKey(current_node))
1330 output.println("L"+nodetolabel.get(current_node)+":");
1331 if (state.INSTRUCTIONFAILURE) {
1332 if (state.THREAD||state.DSM) {
1333 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1335 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1337 if (current_node.numNext()==0) {
1339 generateFlatNode(fm, lb, current_node, output);
1340 if (current_node.kind()!=FKind.FlatReturnNode) {
1341 output.println(" return;");
1344 } else if(current_node.numNext()==1) {
1346 generateFlatNode(fm, lb, current_node, output);
1347 FlatNode nextnode=current_node.getNext(0);
1348 if (visited.contains(nextnode)) {
1349 output.println("goto L"+nodetolabel.get(nextnode)+";");
1352 current_node=nextnode;
1353 } else if (current_node.numNext()==2) {
1356 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1357 if (!visited.contains(current_node.getNext(1)))
1358 tovisit.add(current_node.getNext(1));
1359 if (visited.contains(current_node.getNext(0))) {
1360 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1363 current_node=current_node.getNext(0);
1364 } else throw new Error();
1366 output.println("}\n\n");
1369 /** This method assigns labels to FlatNodes */
1371 protected Hashtable<FlatNode, Integer> assignLabels(FlatMethod fm) {
1372 HashSet tovisit=new HashSet();
1373 HashSet visited=new HashSet();
1375 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1376 tovisit.add(fm.getNext(0));
1378 /*Assign labels first. A node needs a label if the previous
1379 * node has two exits or this node is a join point. */
1381 while(!tovisit.isEmpty()) {
1382 FlatNode fn=(FlatNode)tovisit.iterator().next();
1385 for(int i=0; i<fn.numNext(); i++) {
1386 FlatNode nn=fn.getNext(i);
1388 //1) Edge >1 of node
1389 nodetolabel.put(nn,new Integer(labelindex++));
1391 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1395 nodetolabel.put(nn,new Integer(labelindex++));
1403 /** Generate text string that corresponds to the TempDescriptor td. */
1404 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1405 MethodDescriptor md=fm.getMethod();
1406 TaskDescriptor task=fm.getTask();
1407 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1409 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1410 //System.out.println("generateTemp returns " + td.getSafeSymbol());
1411 return td.getSafeSymbol();
1414 if (objecttemps.isLocalPtr(td)) {
1415 return localsprefix+"."+td.getSafeSymbol();
1418 if (objecttemps.isParamPtr(td)) {
1419 return paramsprefix+"->"+td.getSafeSymbol();
1424 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1426 case FKind.FlatAtomicEnterNode:
1427 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1430 case FKind.FlatAtomicExitNode:
1431 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1434 case FKind.FlatSESEEnterNode:
1435 generateFlatSESEEnterNode(fm, lb, (FlatSESEEnterNode) fn, output);
1438 case FKind.FlatSESEExitNode:
1439 generateFlatSESEExitNode(fm, lb, (FlatSESEExitNode) fn, output);
1442 case FKind.FlatGlobalConvNode:
1443 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1446 case FKind.FlatTagDeclaration:
1447 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1450 case FKind.FlatCall:
1451 generateFlatCall(fm, lb, (FlatCall) fn,output);
1454 case FKind.FlatFieldNode:
1455 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1458 case FKind.FlatElementNode:
1459 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1462 case FKind.FlatSetElementNode:
1463 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1466 case FKind.FlatSetFieldNode:
1467 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1471 generateFlatNew(fm, lb, (FlatNew) fn,output);
1474 case FKind.FlatOpNode:
1475 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1478 case FKind.FlatCastNode:
1479 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1482 case FKind.FlatLiteralNode:
1483 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1486 case FKind.FlatReturnNode:
1487 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1491 output.println("/* nop */");
1494 case FKind.FlatBackEdge:
1495 if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
1496 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1497 output.println("if (needtocollect) checkcollect2(&"+localsprefix+",trans);");
1499 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1501 output.println("/* nop */");
1504 case FKind.FlatCheckNode:
1505 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1508 case FKind.FlatFlagActionNode:
1509 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1512 case FKind.FlatPrefetchNode:
1513 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1516 case FKind.FlatOffsetNode:
1517 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
1523 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
1524 output.println("/* FlatOffsetNode */");
1525 ClassDescriptor cn = fofn.getClassDesc();
1526 FieldDescriptor fd = fofn.getField();
1527 System.out.println("ClassDescriptor cn =" + cn.toString() + " FieldDescriptor fd =" + fd.toString());
1528 System.out.println("TempDescriptor td =" + fofn.getDst().toString() + "Type of TempDescriptor =" + fofn.getDst().getType());
1529 output.println("((struct "+cn.getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+";");
1532 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1533 if (state.PREFETCH) {
1534 Vector oids = new Vector();
1535 Vector fieldoffset = new Vector();
1536 Vector endoffset = new Vector();
1537 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1538 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
1539 PrefetchPair pp = (PrefetchPair) it.next();
1540 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1541 /* Find prefetches that can generate oid */
1542 if(statusbase == LocalityAnalysis.GLOBAL) {
1543 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1545 } else if (statusbase == LocalityAnalysis.LOCAL) {
1546 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1553 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
1554 output.println("{");
1555 output.println("/* prefetch */");
1556 output.println("/* prefetchid_" + fpn.siteid + " */");
1557 output.println("void * prefptr;");
1558 output.println("int tmpindex;");
1560 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1561 /*Create C code for oid array */
1562 output.print(" unsigned int oidarray_[] = {");
1563 boolean needcomma=false;
1564 for (Iterator it = oids.iterator(); it.hasNext();) {
1567 output.print(it.next());
1570 output.println("};");
1572 /*Create C code for endoffset values */
1573 output.print(" unsigned short endoffsetarry_[] = {");
1575 for (Iterator it = endoffset.iterator(); it.hasNext();) {
1578 output.print(it.next());
1581 output.println("};");
1583 /*Create C code for Field Offset Values */
1584 output.print(" short fieldarry_[] = {");
1586 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
1589 output.print(it.next());
1592 output.println("};");
1593 /* make the prefetch call to Runtime */
1594 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1595 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1596 output.println(" }");
1597 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1598 output.println(" } else {");
1599 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1600 output.println(" }");
1601 output.println("}");
1605 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1606 short offsetcount = 0;
1610 } else if (localbase) {
1611 for(; breakindex<pp.desc.size(); breakindex++) {
1612 Descriptor desc=pp.getDescAt(breakindex);
1613 if (desc instanceof FieldDescriptor) {
1614 FieldDescriptor fd=(FieldDescriptor)desc;
1615 if (fd.isGlobal()) {
1623 if (breakindex>pp.desc.size()) //all local
1626 TypeDescriptor lasttype=pp.base.getType();
1627 String basestr=generateTemp(fm, pp.base, lb);
1629 boolean maybenull=fm.getMethod().isStatic()||
1630 !pp.base.equals(fm.getParameter(0));
1632 for(int i=0; i<breakindex; i++) {
1633 String indexcheck="";
1635 Descriptor desc=pp.getDescAt(i);
1636 if (desc instanceof FieldDescriptor) {
1637 FieldDescriptor fd=(FieldDescriptor)desc;
1639 if (!teststr.equals(""))
1641 teststr+="((prefptr="+basestr+")!=NULL)";
1642 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
1644 basestr=basestr+"->"+fd.getSafeSymbol();
1647 lasttype=fd.getType();
1649 IndexDescriptor id=(IndexDescriptor)desc;
1650 indexcheck="((tmpindex=";
1651 for(int j=0; j<id.tddesc.size(); j++) {
1652 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
1654 indexcheck+=id.offset+")>=0)&&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
1656 if (!teststr.equals(""))
1658 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
1659 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
1661 lasttype=lasttype.dereference();
1666 if (teststr.equals("")) {
1667 oid="((unsigned int)"+basestr+")";
1669 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
1673 for(int i = breakindex; i < pp.desc.size(); i++) {
1674 String newfieldoffset;
1675 Object desc = pp.getDescAt(i);
1676 if(desc instanceof FieldDescriptor) {
1677 FieldDescriptor fd=(FieldDescriptor)desc;
1678 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
1679 lasttype=fd.getType();
1681 newfieldoffset = "";
1682 IndexDescriptor id=(IndexDescriptor)desc;
1683 for(int j = 0; j < id.tddesc.size(); j++) {
1684 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
1686 newfieldoffset += id.offset.toString();
1687 lasttype=lasttype.dereference();
1689 fieldoffset.add(newfieldoffset);
1692 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
1693 base+=pp.desc.size()-breakindex;
1694 endoffset.add(new Short((short)base));
1699 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1700 if (lb!=fgcn.getLocality())
1702 /* Have to generate flat globalconv */
1703 if (fgcn.getMakePtr()) {
1704 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)transRead(trans, (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1706 /* Need to convert to OID */
1707 if (fgcn.doConvert()) {
1708 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1710 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
1715 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1716 /* Check to see if we need to generate code for this atomic */
1717 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1719 /* Backup the temps. */
1720 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1721 TempDescriptor tmp=tmpit.next();
1722 output.println(generateTemp(fm, backuptable.get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1724 output.println("goto transstart"+faen.getIdentifier()+";");
1726 /******* Print code to retry aborted transaction *******/
1727 output.println("transretry"+faen.getIdentifier()+":");
1730 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1731 TempDescriptor tmp=tmpit.next();
1732 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(tmp),lb)+";");
1735 /********* Need to revert local object store ********/
1736 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1738 output.println("while ("+revertptr+") {");
1739 output.println("struct ___Object___ * tmpptr;");
1740 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1741 output.println("REVERT_OBJ("+revertptr+");");
1742 output.println(revertptr+"=tmpptr;");
1743 output.println("}");
1745 /******* Tell the runtime to start the transaction *******/
1747 output.println("transstart"+faen.getIdentifier()+":");
1748 output.println("trans=transStart();");
1751 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1752 /* Check to see if we need to generate code for this atomic */
1753 if (locality.getAtomic(lb).get(faen).intValue()>0)
1755 //store the revert list before we lose the transaction object
1756 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1757 output.println(revertptr+"=trans->revertlist;");
1758 output.println("if (transCommit(trans)) {");
1759 /* Transaction aborts if it returns true */
1760 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1761 output.println("} else {");
1762 /* Need to commit local object store */
1763 output.println("while ("+revertptr+") {");
1764 output.println("struct ___Object___ * tmpptr;");
1765 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1766 output.println("COMMIT_OBJ("+revertptr+");");
1767 output.println(revertptr+"=tmpptr;");
1768 output.println("}");
1769 output.println("}");
1772 public void generateFlatSESEEnterNode(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
1776 public void generateFlatSESEExitNode(FlatMethod fm, LocalityBinding lb, FlatSESEExitNode faen, PrintWriter output) {
1780 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
1781 if (state.CONSCHECK) {
1782 String specname=fcn.getSpec();
1783 String varname="repairstate___";
1784 output.println("{");
1785 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1787 TempDescriptor[] temps=fcn.getTemps();
1788 String[] vars=fcn.getVars();
1789 for(int i=0; i<temps.length; i++) {
1790 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
1793 output.println("if (doanalysis"+specname+"("+varname+")) {");
1794 output.println("free"+specname+"_state("+varname+");");
1795 output.println("} else {");
1796 output.println("/* Bad invariant */");
1797 output.println("free"+specname+"_state("+varname+");");
1798 output.println("abort_task();");
1799 output.println("}");
1800 output.println("}");
1804 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
1805 MethodDescriptor md=fc.getMethod();
1806 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM ? locality.getBinding(lb, fc) : md);
1807 ClassDescriptor cn=md.getClassDesc();
1808 output.println("{");
1809 if (GENERATEPRECISEGC) {
1811 LocalityBinding fclb=locality.getBinding(lb, fc);
1812 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1814 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1816 output.print(objectparams.numPointers());
1817 output.print(", & "+localsprefix);
1818 if (md.getThis()!=null) {
1820 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
1822 if (fc.getThis()!=null&&md.getThis()==null) {
1823 System.out.println("WARNING!!!!!!!!!!!!");
1824 System.out.println("Source code calls static method"+md+"on an object in "+fm.getMethod()+"!");
1828 for(int i=0; i<fc.numArgs(); i++) {
1829 Descriptor var=md.getParameter(i);
1830 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1831 if (objectparams.isParamPtr(paramtemp)) {
1832 TempDescriptor targ=fc.getArg(i);
1834 TypeDescriptor td=md.getParamType(i);
1836 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1838 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1841 output.println("};");
1846 if (fc.getReturnTemp()!=null)
1847 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
1849 /* Do we need to do virtual dispatch? */
1850 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
1853 LocalityBinding fclb=locality.getBinding(lb, fc);
1854 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1856 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1861 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1862 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1864 output.print(md.getReturnType().getSafeSymbol()+" ");
1865 output.print("(*)(");
1867 boolean printcomma=false;
1868 if (GENERATEPRECISEGC) {
1870 LocalityBinding fclb=locality.getBinding(lb, fc);
1871 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1873 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1877 for(int i=0; i<objectparams.numPrimitives(); i++) {
1878 TempDescriptor temp=objectparams.getPrimitive(i);
1882 if (temp.getType().isClass()||temp.getType().isArray())
1883 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
1885 output.print(temp.getType().getSafeSymbol());
1888 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()&&!fc.getMethod().getModifiers().isNative()) {
1889 LocalityBinding fclb=locality.getBinding(lb, fc);
1892 output.print("transrecord_t *");
1897 LocalityBinding fclb=locality.getBinding(lb, fc);
1898 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
1900 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
1904 boolean needcomma=false;
1905 if (GENERATEPRECISEGC) {
1906 output.print("&__parameterlist__");
1910 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()&&!fc.getMethod().getModifiers().isNative()) {
1913 output.print("trans");
1917 if (!GENERATEPRECISEGC) {
1918 if (fc.getThis()!=null) {
1919 TypeDescriptor ptd=md.getThis().getType();
1922 if (ptd.isClass()&&!ptd.isArray())
1923 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1924 output.print(generateTemp(fm,fc.getThis(),lb));
1929 for(int i=0; i<fc.numArgs(); i++) {
1930 Descriptor var=md.getParameter(i);
1931 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1932 if (objectparams.isParamPrim(paramtemp)) {
1933 TempDescriptor targ=fc.getArg(i);
1937 TypeDescriptor ptd=md.getParamType(i);
1938 if (ptd.isClass()&&!ptd.isArray())
1939 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1940 output.print(generateTemp(fm, targ,lb));
1944 output.println(");");
1945 output.println(" }");
1948 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
1949 Set subclasses=typeutil.getSubClasses(thiscd);
1950 if (subclasses==null)
1952 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
1953 ClassDescriptor cd=(ClassDescriptor)classit.next();
1954 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
1955 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
1956 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
1957 if (md.matches(matchmd))
1964 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
1966 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
1967 if (status==LocalityAnalysis.GLOBAL) {
1968 String field=ffn.getField().getSafeSymbol();
1969 String src=generateTemp(fm, ffn.getSrc(),lb);
1970 String dst=generateTemp(fm, ffn.getDst(),lb);
1972 if (ffn.getField().getType().isPtr()) {
1974 //TODO: Uncomment this when we have runtime support
1975 //if (ffn.getSrc()==ffn.getDst()) {
1976 //output.println("{");
1977 //output.println("void * temp="+src+";");
1978 //output.println("if (temp&0x1) {");
1979 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
1980 //output.println(src+"->"+field+"="+temp+";");
1981 //output.println("}");
1982 //output.println(dst+"=temp;");
1983 //output.println("}");
1985 output.println(dst+"="+ src +"->"+field+ ";");
1986 //output.println("if ("+dst+"&0x1) {");
1987 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
1988 //output.println(src+"->"+field+"="+src+"->"+field+";");
1989 //output.println("}");
1992 output.println(dst+"="+ src+"->"+field+";");
1994 } else if (status==LocalityAnalysis.LOCAL) {
1995 if (ffn.getField().getType().isPtr()&&
1996 ffn.getField().isGlobal()) {
1997 String field=ffn.getField().getSafeSymbol();
1998 String src=generateTemp(fm, ffn.getSrc(),lb);
1999 String dst=generateTemp(fm, ffn.getDst(),lb);
2000 output.println(dst+"="+ src +"->"+field+ ";");
2001 if (locality.getAtomic(lb).get(ffn).intValue()>0)
2002 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
2004 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2005 } else if (status==LocalityAnalysis.EITHER) {
2006 //Code is reading from a null pointer
2007 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
2008 output.println("#ifndef RAW");
2009 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2010 output.println("#endif");
2011 //This should throw a suitable null pointer error
2012 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2014 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2016 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2020 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
2021 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2022 throw new Error("Can't set array length");
2023 if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2024 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
2025 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
2026 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2028 String src=generateTemp(fm,fsfn.getSrc(),lb);
2029 String dst=generateTemp(fm,fsfn.getDst(),lb);
2031 output.println("{");
2032 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2034 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2037 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2039 output.println("*((unsigned int *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2041 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2042 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2043 /** Check if we need to copy */
2044 output.println("if(!"+dst+"->"+localcopystr+") {");
2045 /* Link object into list */
2046 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2047 output.println(revertptr+"=trans->revertlist;");
2048 if (GENERATEPRECISEGC)
2049 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2051 output.println("COPY_OBJ("+dst+");");
2052 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2053 output.println("trans->revertlist=(struct ___Object___ *)"+dst+";");
2054 output.println("}");
2056 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2058 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2059 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2060 //writing to a null...bad
2061 output.println("if ("+dst+") {");
2062 output.println("#ifndef RAW");
2063 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2064 output.println("#endif");
2066 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2068 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2071 output.println("}");
2074 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2078 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2079 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2082 if (elementtype.isArray()||elementtype.isClass())
2085 type=elementtype.getSafeSymbol()+" ";
2087 if (fen.needsBoundsCheck()) {
2088 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2089 output.println("failedboundschk();");
2092 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2093 if (status==LocalityAnalysis.GLOBAL) {
2094 String dst=generateTemp(fm, fen.getDst(),lb);
2096 if (elementtype.isPtr()) {
2097 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2098 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
2100 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2102 } else if (status==LocalityAnalysis.LOCAL) {
2103 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2104 } else if (status==LocalityAnalysis.EITHER) {
2105 //Code is reading from a null pointer
2106 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2107 output.println("#ifndef RAW");
2108 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2109 output.println("#endif");
2110 //This should throw a suitable null pointer error
2111 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2113 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2115 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2119 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2120 //TODO: need dynamic check to make sure this assignment is actually legal
2121 //Because Object[] could actually be something more specific...ie. Integer[]
2123 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2126 if (elementtype.isArray()||elementtype.isClass())
2129 type=elementtype.getSafeSymbol()+" ";
2132 if (fsen.needsBoundsCheck()) {
2133 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2134 output.println("failedboundschk();");
2137 if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2138 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2139 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2140 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2141 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2142 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2145 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2146 } else if (dstlocal) {
2147 /** Check if we need to copy */
2148 String dst=generateTemp(fm, fsen.getDst(),lb);
2149 output.println("if(!"+dst+"->"+localcopystr+") {");
2150 /* Link object into list */
2151 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2152 output.println(revertptr+"=trans->revertlist;");
2153 if (GENERATEPRECISEGC)
2154 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2156 output.println("COPY_OBJ("+dst+");");
2157 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2158 output.println("trans->revertlist=(struct ___Object___ *)"+dst+";");
2159 output.println("}");
2160 } else throw new Error("Unknown array type");
2162 output.println("{");
2163 String src=generateTemp(fm, fsen.getSrc(), lb);
2164 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2165 output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2166 output.println("}");
2168 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2171 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2174 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2175 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2176 //Stash pointer in case of GC
2177 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2178 output.println(revertptr+"=trans->revertlist;");
2180 if (fn.getType().isArray()) {
2181 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2182 if (fn.isGlobal()) {
2183 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal(trans, "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2184 } else if (GENERATEPRECISEGC) {
2185 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2187 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2190 if (fn.isGlobal()) {
2191 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal(trans, "+fn.getType().getClassDesc().getId()+");");
2192 } else if (GENERATEPRECISEGC) {
2193 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2195 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2198 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2199 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2200 String dst=generateTemp(fm,fn.getDst(),lb);
2201 output.println(dst+"->___localcopy___=1;");
2202 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2203 output.println("trans->revertlist=(struct ___Object___ *)"+dst+";");
2207 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2208 if (GENERATEPRECISEGC) {
2209 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2211 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2215 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2216 if (fon.getRight()!=null) {
2217 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2218 if (fon.getLeft().getType().isLong())
2219 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2221 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2224 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2225 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2226 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2227 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2228 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2229 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2230 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2231 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2232 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2233 else if (fon.getOp().getOp()==Operation.COMP)
2234 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2235 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2236 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2238 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2241 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2242 /* TODO: Do type check here */
2243 if (fcn.getType().isArray()) {
2245 } else if (fcn.getType().isClass())
2246 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2248 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2251 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2252 if (fln.getType().isOffset()) {
2253 if (fln.getValue() instanceof OffsetNode) {
2254 OffsetNode ofn = (OffsetNode) fln.getValue();
2255 output.println(generateTemp(fm, fln.getDst(),lb)+
2256 " = (short) (&((struct "+ofn.getClassDesc().getSafeSymbol() +" *)0)->"+
2257 ofn.getField().getSafeSymbol()+");");
2259 output.println("/* offset */");
2262 if (fln.getValue()==null)
2263 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2264 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2265 if (GENERATEPRECISEGC) {
2266 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2267 //Stash pointer in case of GC
2268 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2269 output.println(revertptr+"=trans->revertlist;");
2271 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2272 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2273 //Stash pointer in case of GC
2274 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2275 output.println("trans->revertlist="+revertptr+";");
2278 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2280 } else if (fln.getType().isBoolean()) {
2281 if (((Boolean)fln.getValue()).booleanValue())
2282 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2284 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2285 } else if (fln.getType().isChar()) {
2286 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2287 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2288 } else if (fln.getType().isLong()) {
2289 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2291 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2294 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2295 if (frn.getReturnTemp()!=null) {
2296 if (frn.getReturnTemp().getType().isPtr())
2297 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2299 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2301 output.println("return;");
2305 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2306 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2309 /** This method generates header information for the method or
2310 * task referenced by the Descriptor des. */
2312 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2314 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2315 MethodDescriptor md=null;
2316 TaskDescriptor task=null;
2317 if (des instanceof MethodDescriptor)
2318 md=(MethodDescriptor) des;
2320 task=(TaskDescriptor) des;
2322 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2324 if (md!=null&&md.getReturnType()!=null) {
2325 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2326 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2328 output.print(md.getReturnType().getSafeSymbol()+" ");
2330 //catch the constructor case
2331 output.print("void ");
2334 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2336 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2338 output.print(task.getSafeSymbol()+"(");
2340 boolean printcomma=false;
2341 if (GENERATEPRECISEGC) {
2344 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2346 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2348 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2352 if (state.DSM&&lb.isAtomic()) {
2355 output.print("transrecord_t * trans");
2361 for(int i=0; i<objectparams.numPrimitives(); i++) {
2362 TempDescriptor temp=objectparams.getPrimitive(i);
2366 if (temp.getType().isClass()||temp.getType().isArray())
2367 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2369 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2371 output.println(") {");
2372 } else if (!GENERATEPRECISEGC) {
2373 /* Imprecise Task */
2374 output.println("void * parameterarray[]) {");
2375 /* Unpack variables */
2376 for(int i=0; i<objectparams.numPrimitives(); i++) {
2377 TempDescriptor temp=objectparams.getPrimitive(i);
2378 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2380 for(int i=0; i<fm.numTags(); i++) {
2381 TempDescriptor temp=fm.getTag(i);
2382 int offset=i+objectparams.numPrimitives();
2383 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2386 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2387 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2388 } else output.println(") {");
2391 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2392 output.println("/* FlatFlagActionNode */");
2395 /* Process tag changes */
2396 Relation tagsettable=new Relation();
2397 Relation tagcleartable=new Relation();
2399 Iterator tagsit=ffan.getTempTagPairs();
2400 while (tagsit.hasNext()) {
2401 TempTagPair ttp=(TempTagPair) tagsit.next();
2402 TempDescriptor objtmp=ttp.getTemp();
2403 TagDescriptor tag=ttp.getTag();
2404 TempDescriptor tagtmp=ttp.getTagTemp();
2405 boolean tagstatus=ffan.getTagChange(ttp);
2407 tagsettable.put(objtmp, tagtmp);
2409 tagcleartable.put(objtmp, tagtmp);
2414 Hashtable flagandtable=new Hashtable();
2415 Hashtable flagortable=new Hashtable();
2417 /* Process flag changes */
2418 Iterator flagsit=ffan.getTempFlagPairs();
2419 while(flagsit.hasNext()) {
2420 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2421 TempDescriptor temp=tfp.getTemp();
2422 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2423 FlagDescriptor flag=tfp.getFlag();
2425 //Newly allocate objects that don't set any flags case
2426 if (flagortable.containsKey(temp)) {
2430 flagortable.put(temp,new Integer(mask));
2432 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2433 boolean flagstatus=ffan.getFlagChange(tfp);
2436 if (flagortable.containsKey(temp)) {
2437 mask=((Integer)flagortable.get(temp)).intValue();
2440 flagortable.put(temp,new Integer(mask));
2442 int mask=0xFFFFFFFF;
2443 if (flagandtable.containsKey(temp)) {
2444 mask=((Integer)flagandtable.get(temp)).intValue();
2446 mask&=(0xFFFFFFFF^flagid);
2447 flagandtable.put(temp,new Integer(mask));
2453 HashSet flagtagset=new HashSet();
2454 flagtagset.addAll(flagortable.keySet());
2455 flagtagset.addAll(flagandtable.keySet());
2456 flagtagset.addAll(tagsettable.keySet());
2457 flagtagset.addAll(tagcleartable.keySet());
2459 Iterator ftit=flagtagset.iterator();
2460 while(ftit.hasNext()) {
2461 TempDescriptor temp=(TempDescriptor)ftit.next();
2464 Set tagtmps=tagcleartable.get(temp);
2465 if (tagtmps!=null) {
2466 Iterator tagit=tagtmps.iterator();
2467 while(tagit.hasNext()) {
2468 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2469 if (GENERATEPRECISEGC)
2470 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2472 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2476 tagtmps=tagsettable.get(temp);
2477 if (tagtmps!=null) {
2478 Iterator tagit=tagtmps.iterator();
2479 while(tagit.hasNext()) {
2480 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2481 if (GENERATEPRECISEGC)
2482 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2484 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2489 int andmask=0xFFFFFFF;
2491 if (flagortable.containsKey(temp))
2492 ormask=((Integer)flagortable.get(temp)).intValue();
2493 if (flagandtable.containsKey(temp))
2494 andmask=((Integer)flagandtable.get(temp)).intValue();
2495 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2496 generateObjectDistribute(ffan, fm, lb, temp, output);
2500 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2501 PrintWriter output, int ormask, int andmask) {
2502 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2503 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2505 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2509 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2510 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
2513 void generateOptionalHeader(PrintWriter headers) {
2516 headers.println("#include \"task.h\"\n\n");
2517 headers.println("#ifndef _OPTIONAL_STRUCT_");
2518 headers.println("#define _OPTIONAL_STRUCT_");
2520 //STRUCT PREDICATEMEMBER
2521 headers.println("struct predicatemember{");
2522 headers.println("int type;");
2523 headers.println("int numdnfterms;");
2524 headers.println("int * flags;");
2525 headers.println("int numtags;");
2526 headers.println("int * tags;\n};\n\n");
2528 //STRUCT OPTIONALTASKDESCRIPTOR
2529 headers.println("struct optionaltaskdescriptor{");
2530 headers.println("struct taskdescriptor * task;");
2531 headers.println("int index;");
2532 headers.println("int numenterflags;");
2533 headers.println("int * enterflags;");
2534 headers.println("int numpredicatemembers;");
2535 headers.println("struct predicatemember ** predicatememberarray;");
2536 headers.println("};\n\n");
2538 //STRUCT TASKFAILURE
2539 headers.println("struct taskfailure {");
2540 headers.println("struct taskdescriptor * task;");
2541 headers.println("int index;");
2542 headers.println("int numoptionaltaskdescriptors;");
2543 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2545 //STRUCT FSANALYSISWRAPPER
2546 headers.println("struct fsanalysiswrapper{");
2547 headers.println("int flags;");
2548 headers.println("int numtags;");
2549 headers.println("int * tags;");
2550 headers.println("int numtaskfailures;");
2551 headers.println("struct taskfailure ** taskfailurearray;");
2552 headers.println("int numoptionaltaskdescriptors;");
2553 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2555 //STRUCT CLASSANALYSISWRAPPER
2556 headers.println("struct classanalysiswrapper{");
2557 headers.println("int type;");
2558 headers.println("int numotd;");
2559 headers.println("struct optionaltaskdescriptor ** otdarray;");
2560 headers.println("int numfsanalysiswrappers;");
2561 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2563 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2565 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2566 while(taskit.hasNext()) {
2567 TaskDescriptor td=(TaskDescriptor)taskit.next();
2568 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2573 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2574 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2575 int predicateindex = 0;
2576 //iterate through the classes concerned by the predicate
2577 Set c_vard = predicate.vardescriptors;
2578 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2581 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
2582 VarDescriptor vard = (VarDescriptor)vard_it.next();
2583 TypeDescriptor typed = vard.getType();
2585 //generate for flags
2586 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2587 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2589 if (fen_hashset!=null) {
2590 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
2591 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2593 DNFFlag dflag=fen.getDNF();
2594 numberterms+=dflag.size();
2596 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2598 for(int j=0; j<dflag.size(); j++) {
2600 output.println(",");
2601 Vector term=dflag.get(j);
2604 for(int k=0; k<term.size(); k++) {
2605 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2606 FlagDescriptor fd=dfa.getFlag();
2607 boolean negated=dfa.getNegated();
2608 int flagid=1<<((Integer)flags.get(fd)).intValue();
2613 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2618 output.println("};\n");
2621 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2622 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2625 for(int j=0; j<tagel.numTags(); j++) {
2627 output.println(",");
2628 TempDescriptor tmp=tagel.getTemp(j);
2629 if (!slotnumber.containsKey(tmp)) {
2630 Integer slotint=new Integer(current_slot++);
2631 slotnumber.put(tmp,slotint);
2633 int slot=slotnumber.get(tmp).intValue();
2634 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2636 numtags = tagel.numTags();
2638 output.println("};");
2640 //store the result into a predicatemember struct
2641 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2642 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2643 output.println("/* number of dnf terms */"+numberterms+",");
2644 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2645 output.println("/* number of tag */"+numtags+",");
2646 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2647 output.println("};\n");
2652 //generate an array that stores the entire predicate
2653 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2654 for( int j = 0; j<predicateindex; j++) {
2655 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2656 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2658 output.println("};\n");
2659 return predicateindex;
2663 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2664 generateOptionalHeader(headers);
2666 output.println("#include \"optionalstruct.h\"\n\n");
2667 output.println("#include \"stdlib.h\"\n");
2669 HashSet processedcd = new HashSet();
2671 Enumeration e = safeexecution.keys();
2672 while (e.hasMoreElements()) {
2675 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2676 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
2678 //Generate the struct of optionals
2679 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2680 numotd = c_otd.size();
2681 if(maxotd<numotd) maxotd = numotd;
2682 if( !c_otd.isEmpty() ) {
2683 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2684 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2686 //generate the int arrays for the predicate
2687 Predicate predicate = otd.predicate;
2688 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
2689 TreeSet<Integer> fsset=new TreeSet<Integer>();
2690 //iterate through possible FSes corresponding to
2691 //the state when entering
2693 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
2694 FlagState fs = (FlagState)fses.next();
2696 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
2697 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2698 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2701 fsset.add(new Integer(flagid));
2702 //tag information not needed because tag
2703 //changes are not tolerated.
2706 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2707 boolean needcomma=false;
2708 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
2711 output.println(it.next());
2714 output.println("};\n");
2717 //generate optionaltaskdescriptor that actually
2718 //includes exit fses, predicate and the task
2720 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2721 output.println("&task_"+otd.td.getSafeSymbol()+",");
2722 output.println("/*index*/"+otd.getIndex()+",");
2723 output.println("/*number of enter flags*/"+fsset.size()+",");
2724 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2725 output.println("/*number of members */"+predicateindex+",");
2726 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2727 output.println("};\n");
2731 // if there are no optionals, there is no need to build the rest of the struct
2733 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
2734 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2735 if( !c_otd.isEmpty() ) {
2736 boolean needcomma=false;
2737 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2738 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2740 output.println(",");
2742 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2745 output.println("};\n");
2747 //get all the possible flagstates reachable by an object
2748 Hashtable hashtbtemp = safeexecution.get(cdtemp);
2750 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
2751 fsts.addAll(hashtbtemp.keySet());
2752 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
2753 FlagState fs = (FlagState)fsit.next();
2756 //get the set of OptionalTaskDescriptors corresponding
2757 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
2758 //iterate through the OptionalTaskDescriptors and
2759 //store the pointers to the optionals struct (see on
2760 //top) into an array
2762 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
2763 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
2764 OptionalTaskDescriptor mm = mos.next();
2766 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
2768 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2771 output.println("};\n");
2773 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
2776 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
2777 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2778 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2782 //process tag information
2785 boolean first = true;
2786 Enumeration tag_enum = fs.getTags();
2787 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2788 while(tag_enum.hasMoreElements()) {
2790 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
2794 output.println(", ");
2795 output.println("/*tagid*/"+state.getTagId(tagd));
2797 output.println("};");
2799 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
2800 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
2801 TaskIndex ti=itti.next();
2805 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
2807 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
2808 boolean needcomma=false;
2809 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
2810 OptionalTaskDescriptor otd=otdit.next();
2814 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2816 output.println("};");
2818 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
2819 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
2820 output.print(ti.getIndex()+", ");
2821 output.print(otdset.size()+", ");
2822 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
2823 output.println("};");
2826 tiset=sa.getTaskIndex(fs);
2827 boolean needcomma=false;
2829 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2830 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
2831 TaskIndex ti=itti.next();
2832 if (ti.isRuntime()) {
2839 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
2841 output.println("};\n");
2843 //Store the result in fsanalysiswrapper
2845 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
2846 output.println("/*flag*/"+flagid+",");
2847 output.println("/* number of tags*/"+tagcounter+",");
2848 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2849 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
2850 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2851 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
2852 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
2853 output.println("};\n");
2857 //Build the array of fsanalysiswrappers
2858 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
2859 boolean needcomma=false;
2860 for(int i = 0; i<fscounter; i++) {
2861 if (needcomma) output.print(",");
2862 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
2865 output.println("};");
2867 //Build the classanalysiswrapper referring to the previous array
2868 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
2869 output.println("/*type*/"+cdtemp.getId()+",");
2870 output.println("/*numotd*/"+numotd+",");
2871 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
2872 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
2873 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
2874 processedcd.add(cdtemp);
2877 //build an array containing every classes for which code has been build
2878 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
2879 for(int i=0; i<state.numClasses(); i++) {
2880 ClassDescriptor cn=cdarray[i];
2883 if (processedcd.contains(cn))
2884 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
2886 output.print("NULL");
2888 output.println("};");
2890 output.println("#define MAXOTD "+maxotd);
2891 headers.println("#endif");
2894 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
2895 Relation r=new Relation();
2896 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
2897 OptionalTaskDescriptor otd=otdit.next();
2898 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
2902 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
2903 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
2904 Set s=r.get(it.next());
2905 for(Iterator it2=s.iterator(); it2.hasNext();) {
2906 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
2914 protected void outputTransCode(PrintWriter output) {