2 import IR.Tree.FlagExpressionNode;
3 import IR.Tree.DNFFlag;
4 import IR.Tree.DNFFlagAtom;
5 import IR.Tree.TagExpressionList;
10 import Analysis.TaskStateAnalysis.FlagState;
11 import Analysis.TaskStateAnalysis.FlagComparator;
12 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
13 import Analysis.TaskStateAnalysis.Predicate;
14 import Analysis.TaskStateAnalysis.SafetyAnalysis;
15 import Analysis.TaskStateAnalysis.TaskIndex;
16 import Analysis.Locality.LocalityAnalysis;
17 import Analysis.Locality.LocalityBinding;
18 import Analysis.Prefetch.*;
20 public class BuildCode {
23 Hashtable paramstable;
28 String localsprefix="___locals___";
29 String paramsprefix="___params___";
30 String oidstr="___nextobject___";
31 String nextobjstr="___nextobject___";
32 String localcopystr="___localcopy___";
33 public static boolean GENERATEPRECISEGC=false;
34 public static String PREFIX="";
35 public static String arraytype="ArrayObject";
38 private int maxtaskparams=0;
39 private int maxcount=0;
40 ClassDescriptor[] cdarray;
41 TypeDescriptor[] arraytable;
42 LocalityAnalysis locality;
43 Hashtable<TempDescriptor, TempDescriptor> backuptable;
44 Hashtable<LocalityBinding, TempDescriptor> reverttable;
47 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa) {
48 this(st, temptovar, typeutil, null, sa);
51 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality) {
52 this(st, temptovar, typeutil, locality, null);
55 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa) {
58 this.temptovar=temptovar;
59 paramstable=new Hashtable();
60 tempstable=new Hashtable();
61 fieldorder=new Hashtable();
62 flagorder=new Hashtable();
63 this.typeutil=typeutil;
64 virtualcalls=new Virtual(state,locality);
66 this.locality=locality;
67 this.backuptable=new Hashtable<TempDescriptor, TempDescriptor>();
68 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
72 /** The buildCode method outputs C code for all the methods. The Flat
73 * versions of the methods must already be generated and stored in
74 * the State object. */
76 public void buildCode() {
77 /* Create output streams to write to */
78 PrintWriter outclassdefs=null;
79 PrintWriter outstructs=null;
80 PrintWriter outrepairstructs=null;
81 PrintWriter outmethodheader=null;
82 PrintWriter outmethod=null;
83 PrintWriter outvirtual=null;
84 PrintWriter outtask=null;
85 PrintWriter outtaskdefs=null;
86 PrintWriter outoptionalarrays=null;
87 PrintWriter optionalheaders=null;
90 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
91 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
92 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
93 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
94 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
96 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
97 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
99 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
100 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
103 if (state.structfile!=null) {
104 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
106 } catch (Exception e) {
111 /* Build the virtual dispatch tables */
112 buildVirtualTables(outvirtual);
114 /* Output includes */
115 outmethodheader.println("#ifndef METHODHEADERS_H");
116 outmethodheader.println("#define METHODHEADERS_H");
117 outmethodheader.println("#include \"structdefs.h\"");
119 outmethodheader.println("#include \"dstm.h\"");
121 /* Output Structures */
122 outputStructs(outstructs);
124 // Output the C class declarations
125 // These could mutually reference each other
126 outputClassDeclarations(outclassdefs);
128 // Output function prototypes and structures for parameters
129 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
130 while(it.hasNext()) {
131 ClassDescriptor cn=(ClassDescriptor)it.next();
132 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
134 outclassdefs.close();
137 /* Map flags to integers */
138 /* The runtime keeps track of flags using these integers */
139 it=state.getClassSymbolTable().getDescriptorsIterator();
140 while(it.hasNext()) {
141 ClassDescriptor cn=(ClassDescriptor)it.next();
145 generateTaskStructs(outstructs, outmethodheader);
147 /* Outputs generic task structures if this is a task
149 outputTaskTypes(outtask);
152 /* Build the actual methods */
153 outputMethods(outmethod);
156 /* Output code for tasks */
157 outputTaskCode(outtaskdefs, outmethod);
159 /* Record maximum number of task parameters */
160 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
161 } else if (state.main!=null) {
162 /* Generate main method */
163 outputMainMethod(outmethod);
166 /* Generate information for task with optional parameters */
167 if (state.TASK&&state.OPTIONAL){
168 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
169 outoptionalarrays.close();
172 /* Output structure definitions for repair tool */
173 if (state.structfile!=null) {
174 buildRepairStructs(outrepairstructs);
175 outrepairstructs.close();
179 outmethodheader.println("#endif");
180 outmethodheader.close();
182 outstructs.println("#endif");
186 /* This code just generates the main C method for java programs.
187 * The main C method packs up the arguments into a string array
188 * and passes it to the java main method. */
190 private void outputMainMethod(PrintWriter outmethod) {
191 outmethod.println("int main(int argc, const char *argv[]) {");
192 outmethod.println(" int i;");
194 outmethod.println("if (dstmStartup(argv[1])) {");
195 if (GENERATEPRECISEGC) {
196 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
198 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
201 if (GENERATEPRECISEGC) {
202 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
204 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
208 outmethod.println("initializethreads();");
211 outmethod.println(" for(i=2;i<argc;i++) {");
213 outmethod.println(" for(i=1;i<argc;i++) {");
214 outmethod.println(" int length=strlen(argv[i]);");
215 if (GENERATEPRECISEGC) {
216 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
218 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
221 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
223 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
224 outmethod.println(" }");
227 MethodDescriptor md=typeutil.getMain();
228 ClassDescriptor cd=typeutil.getMainClass();
230 outmethod.println(" {");
231 if (GENERATEPRECISEGC) {
233 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
235 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
236 outmethod.println("1, NULL,"+"stringarray};");
238 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
240 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
243 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
245 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
247 outmethod.println(" }");
250 outmethod.println("}");
254 outmethod.println("pthread_mutex_lock(&gclistlock);");
255 outmethod.println("threadcount--;");
256 outmethod.println("pthread_cond_signal(&gccond);");
257 outmethod.println("pthread_mutex_unlock(&gclistlock);");
258 outmethod.println("pthread_exit(NULL);");
262 outmethod.println("}");
265 /* This method outputs code for each task. */
267 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
268 /* Compile task based program */
269 outtaskdefs.println("#include \"task.h\"");
270 outtaskdefs.println("#include \"methodheaders.h\"");
271 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
272 while(taskit.hasNext()) {
273 TaskDescriptor td=(TaskDescriptor)taskit.next();
274 FlatMethod fm=state.getMethodFlat(td);
275 generateFlatMethod(fm, null, outmethod);
276 generateTaskDescriptor(outtaskdefs, fm, td);
279 //Output task descriptors
280 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
281 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
283 while(taskit.hasNext()) {
284 TaskDescriptor td=(TaskDescriptor)taskit.next();
288 outtaskdefs.println(",");
289 outtaskdefs.print("&task_"+td.getSafeSymbol());
291 outtaskdefs.println("};");
293 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
296 /* This method outputs most of the methods.c file. This includes
297 * some standard includes and then an array with the sizes of
298 * objets and array that stores supertype and then the code for
299 * the Java methods.. */
301 private void outputMethods(PrintWriter outmethod) {
302 outmethod.println("#include \"methodheaders.h\"");
303 outmethod.println("#include \"virtualtable.h\"");
304 outmethod.println("#include <runtime.h>");
306 outmethod.println("#include \"localobjects.h\"");
309 outmethod.println("#include <thread.h>");
310 if (state.main!=null) {
311 outmethod.println("#include <string.h>");
313 if (state.CONSCHECK) {
314 outmethod.println("#include \"checkers.h\"");
316 //Store the sizes of classes & array elements
317 generateSizeArray(outmethod);
319 //Store table of supertypes
320 generateSuperTypeTable(outmethod);
322 //Store the layout of classes
323 generateLayoutStructs(outmethod);
325 /* Generate code for methods */
327 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator();lbit.hasNext();) {
328 LocalityBinding lb=lbit.next();
329 MethodDescriptor md=lb.getMethod();
330 FlatMethod fm=state.getMethodFlat(md);
331 if (!md.getModifiers().isNative()) {
332 generateFlatMethod(fm, lb, outmethod);
336 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
337 while(classit.hasNext()) {
338 ClassDescriptor cn=(ClassDescriptor)classit.next();
339 Iterator methodit=cn.getMethods();
340 while(methodit.hasNext()) {
341 /* Classify parameters */
342 MethodDescriptor md=(MethodDescriptor)methodit.next();
343 FlatMethod fm=state.getMethodFlat(md);
344 if (!md.getModifiers().isNative()) {
345 generateFlatMethod(fm, null, outmethod);
352 private void outputStructs(PrintWriter outstructs) {
353 outstructs.println("#ifndef STRUCTDEFS_H");
354 outstructs.println("#define STRUCTDEFS_H");
355 outstructs.println("#include \"classdefs.h\"");
357 /* Output #defines that the runtime uses to determine type
358 * numbers for various objects it needs */
359 outstructs.println("#define MAXCOUNT "+maxcount);
361 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
362 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
363 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
366 outstructs.println("#define STRINGARRAYTYPE "+
367 (state.getArrayNumber(
368 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
370 outstructs.println("#define OBJECTARRAYTYPE "+
371 (state.getArrayNumber(
372 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
375 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
376 outstructs.println("#define CHARARRAYTYPE "+
377 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
379 outstructs.println("#define BYTEARRAYTYPE "+
380 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
382 outstructs.println("#define BYTEARRAYARRAYTYPE "+
383 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
385 outstructs.println("#define NUMCLASSES "+state.numClasses());
387 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
388 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
389 outstructs.println("#define TAGARRAYTYPE "+
390 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
394 private void outputClassDeclarations(PrintWriter outclassdefs) {
396 outclassdefs.println("#include <pthread.h>");
398 outclassdefs.println("#include \"optionalstruct.h\"");
399 outclassdefs.println("struct "+arraytype+";");
400 /* Start by declaring all structs */
401 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
402 while(it.hasNext()) {
403 ClassDescriptor cn=(ClassDescriptor)it.next();
404 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
406 outclassdefs.println("");
407 //Print out definition for array type
408 outclassdefs.println("struct "+arraytype+" {");
409 outclassdefs.println(" int type;");
411 outclassdefs.println(" pthread_t tid;");
412 outclassdefs.println(" void * lockentry;");
413 outclassdefs.println(" int lockcount;");
416 outclassdefs.println(" int flag;");
417 outclassdefs.println(" void * flagptr;");
419 outclassdefs.println(" int numfses;");
420 outclassdefs.println(" int * fses;");
423 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
425 outclassdefs.println(" int ___length___;");
426 outclassdefs.println("};\n");
427 outclassdefs.println("extern int classsize[];");
428 outclassdefs.println("extern int hasflags[];");
429 outclassdefs.println("extern unsigned int * pointerarray[];");
430 outclassdefs.println("extern int supertypes[];");
433 /** Prints out definitions for generic task structures */
435 private void outputTaskTypes(PrintWriter outtask) {
436 outtask.println("#ifndef _TASK_H");
437 outtask.println("#define _TASK_H");
438 outtask.println("struct parameterdescriptor {");
439 outtask.println("int type;");
440 outtask.println("int numberterms;");
441 outtask.println("int *intarray;");
442 outtask.println("void * queue;");
443 outtask.println("int numbertags;");
444 outtask.println("int *tagarray;");
445 outtask.println("};");
447 outtask.println("struct taskdescriptor {");
448 outtask.println("void * taskptr;");
449 outtask.println("int numParameters;");
450 outtask.println("int numTotal;");
451 outtask.println("struct parameterdescriptor **descriptorarray;");
452 outtask.println("char * name;");
453 outtask.println("};");
454 outtask.println("extern struct taskdescriptor * taskarray[];");
455 outtask.println("extern numtasks;");
456 outtask.println("#endif");
460 private void buildRepairStructs(PrintWriter outrepairstructs) {
461 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
462 while(classit.hasNext()) {
463 ClassDescriptor cn=(ClassDescriptor)classit.next();
464 outrepairstructs.println("structure "+cn.getSymbol()+" {");
465 outrepairstructs.println(" int __type__;");
467 outrepairstructs.println(" int __flag__;");
468 outrepairstructs.println(" int __flagptr__;");
470 printRepairStruct(cn, outrepairstructs);
471 outrepairstructs.println("}\n");
474 for(int i=0;i<state.numArrays();i++) {
475 TypeDescriptor tdarray=arraytable[i];
476 TypeDescriptor tdelement=tdarray.dereference();
477 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
478 outrepairstructs.println(" int __type__;");
479 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
480 outrepairstructs.println(" int length;");
482 // Need to add support to repair tool for this
483 if (tdelement.isClass()||tdelement.isArray())
484 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
486 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
488 outrepairstructs.println("}\n");
492 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
493 ClassDescriptor sp=cn.getSuperDesc();
495 printRepairStruct(sp, output);
497 Vector fields=(Vector)fieldorder.get(cn);
499 for(int i=0;i<fields.size();i++) {
500 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
501 if (fd.getType().isArray()) {
502 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
503 } else if (fd.getType().isClass())
504 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
505 else if (fd.getType().isFloat())
506 output.println(" int "+fd.getSymbol()+"; /* really float */");
508 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
512 /** This method outputs TaskDescriptor information */
513 void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
514 for (int i=0;i<task.numParameters();i++) {
515 VarDescriptor param_var=task.getParameter(i);
516 TypeDescriptor param_type=task.getParamType(i);
517 FlagExpressionNode param_flag=task.getFlag(param_var);
518 TagExpressionList param_tag=task.getTag(param_var);
521 if (param_flag==null) {
522 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
523 output.println("0x0, 0x0 };");
526 DNFFlag dflag=param_flag.getDNF();
527 dnfterms=dflag.size();
529 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
530 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
531 for(int j=0;j<dflag.size();j++) {
534 Vector term=dflag.get(j);
537 for(int k=0;k<term.size();k++) {
538 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
539 FlagDescriptor fd=dfa.getFlag();
540 boolean negated=dfa.getNegated();
541 int flagid=1<<((Integer)flags.get(fd)).intValue();
546 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
548 output.println("};");
551 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
552 //BUG...added next line to fix, test with any task program
554 for(int j=0;j<param_tag.numTags();j++) {
557 /* for each tag we need */
558 /* which slot it is */
559 /* what type it is */
560 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
561 TempDescriptor tmp=param_tag.getTemp(j);
562 int slot=fm.getTagInt(tmp);
563 output.println(slot+", "+state.getTagId(tvd.getTag()));
565 output.println("};");
567 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
568 output.println("/* type */"+param_type.getClassDesc().getId()+",");
569 output.println("/* number of DNF terms */"+dnfterms+",");
570 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
571 output.println("0,");
572 //BUG, added next line to fix and else statement...test
573 //with any task program
575 output.println("/* number of tags */"+param_tag.numTags()+",");
577 output.println("/* number of tags */ 0,");
578 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
579 output.println("};");
583 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
584 for (int i=0;i<task.numParameters();i++) {
587 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
589 output.println("};");
591 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
592 output.println("&"+task.getSafeSymbol()+",");
593 output.println("/* number of parameters */" +task.numParameters() + ",");
594 int numtotal=task.numParameters()+fm.numTags();
595 output.println("/* number total parameters */" +numtotal + ",");
596 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
597 output.println("\""+task.getSymbol()+"\"");
598 output.println("};");
602 /** The buildVirtualTables method outputs the virtual dispatch
603 * tables for methods. */
605 private void buildVirtualTables(PrintWriter outvirtual) {
606 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
607 while(classit.hasNext()) {
608 ClassDescriptor cd=(ClassDescriptor)classit.next();
609 if (virtualcalls.getMethodCount(cd)>maxcount)
610 maxcount=virtualcalls.getMethodCount(cd);
612 MethodDescriptor[][] virtualtable=null;
613 LocalityBinding[][] lbvirtualtable=null;
615 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
617 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
619 /* Fill in virtual table */
620 classit=state.getClassSymbolTable().getDescriptorsIterator();
621 while(classit.hasNext()) {
622 ClassDescriptor cd=(ClassDescriptor)classit.next();
624 fillinRow(cd, lbvirtualtable, cd.getId());
626 fillinRow(cd, virtualtable, cd.getId());
629 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
630 Iterator arrayit=state.getArrayIterator();
631 while(arrayit.hasNext()) {
632 TypeDescriptor td=(TypeDescriptor)arrayit.next();
633 int id=state.getArrayNumber(td);
635 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
637 fillinRow(objectcd, virtualtable, id+state.numClasses());
640 outvirtual.print("void * virtualtable[]={");
641 boolean needcomma=false;
642 for(int i=0;i<state.numClasses()+state.numArrays();i++) {
643 for(int j=0;j<maxcount;j++) {
645 outvirtual.print(", ");
646 if (state.DSM&&lbvirtualtable[i][j]!=null) {
647 LocalityBinding lb=lbvirtualtable[i][j];
648 MethodDescriptor md=lb.getMethod();
649 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
650 } else if (!state.DSM&&virtualtable[i][j]!=null) {
651 MethodDescriptor md=virtualtable[i][j];
652 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
654 outvirtual.print("0");
658 outvirtual.println("");
660 outvirtual.println("};");
664 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
665 /* Get inherited methods */
666 if (cd.getSuperDesc()!=null)
667 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
668 /* Override them with our methods */
669 for(Iterator it=cd.getMethods();it.hasNext();) {
670 MethodDescriptor md=(MethodDescriptor)it.next();
671 if (md.isStatic()||md.getReturnType()==null)
673 int methodnum=virtualcalls.getMethodNumber(md);
674 virtualtable[rownum][methodnum]=md;
678 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
679 /* Get inherited methods */
680 if (cd.getSuperDesc()!=null)
681 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
682 /* Override them with our methods */
683 if (locality.getClassBindings(cd)!=null)
684 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator();lbit.hasNext();) {
685 LocalityBinding lb=lbit.next();
686 MethodDescriptor md=lb.getMethod();
687 //Is the method static or a constructor
688 if (md.isStatic()||md.getReturnType()==null)
690 int methodnum=virtualcalls.getLocalityNumber(lb);
691 virtualtable[rownum][methodnum]=lb;
696 /** Generate array that contains the sizes of class objects. The
697 * object allocation functions in the runtime use this
700 private void generateSizeArray(PrintWriter outclassdefs) {
701 outclassdefs.print("int classsize[]={");
702 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
703 cdarray=new ClassDescriptor[state.numClasses()];
704 while(it.hasNext()) {
705 ClassDescriptor cd=(ClassDescriptor)it.next();
706 cdarray[cd.getId()]=cd;
708 boolean needcomma=false;
709 for(int i=0;i<state.numClasses();i++) {
711 outclassdefs.print(", ");
712 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
716 arraytable=new TypeDescriptor[state.numArrays()];
718 Iterator arrayit=state.getArrayIterator();
719 while(arrayit.hasNext()) {
720 TypeDescriptor td=(TypeDescriptor)arrayit.next();
721 int id=state.getArrayNumber(td);
725 for(int i=0;i<state.numArrays();i++) {
727 outclassdefs.print(", ");
728 TypeDescriptor tdelement=arraytable[i].dereference();
729 if (tdelement.isArray()||tdelement.isClass())
730 outclassdefs.print("sizeof(void *)");
732 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
736 outclassdefs.println("};");
739 /** Constructs params and temp objects for each method or task.
740 * These objects tell the compiler which temps need to be
743 private void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
744 MethodDescriptor md=fm.getMethod();
745 TaskDescriptor task=fm.getTask();
746 Set<TempDescriptor> saveset=lb!=null?locality.getTempSet(lb):null;
747 ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
750 paramstable.put(lb, objectparams);
752 paramstable.put(md, objectparams);
754 paramstable.put(task, objectparams);
756 for(int i=0;i<fm.numParameters();i++) {
757 TempDescriptor temp=fm.getParameter(i);
758 TypeDescriptor type=temp.getType();
759 if (type.isPtr()&&GENERATEPRECISEGC)
760 objectparams.addPtr(temp);
762 objectparams.addPrim(temp);
763 if(lb!=null&&saveset.contains(temp)) {
764 backuptable.put(temp, temp.createNew());
768 for(int i=0;i<fm.numTags();i++) {
769 TempDescriptor temp=fm.getTag(i);
770 if (GENERATEPRECISEGC)
771 objectparams.addPtr(temp);
773 objectparams.addPrim(temp);
776 TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
778 tempstable.put(lb, objecttemps);
780 tempstable.put(md, objecttemps);
782 tempstable.put(task, objecttemps);
784 for(Iterator nodeit=fm.getNodeSet().iterator();nodeit.hasNext();) {
785 FlatNode fn=(FlatNode)nodeit.next();
786 TempDescriptor[] writes=fn.writesTemps();
787 for(int i=0;i<writes.length;i++) {
788 TempDescriptor temp=writes[i];
789 TypeDescriptor type=temp.getType();
790 if (type.isPtr()&&GENERATEPRECISEGC)
791 objecttemps.addPtr(temp);
793 objecttemps.addPrim(temp);
794 if(lb!=null&&saveset.contains(temp)&&
795 !backuptable.containsKey(temp))
796 backuptable.put(temp, temp.createNew());
800 /* Create backup temps */
802 for(Iterator<TempDescriptor> tmpit=backuptable.values().iterator();tmpit.hasNext();) {
803 TempDescriptor tmp=tmpit.next();
804 TypeDescriptor type=tmp.getType();
805 if (type.isPtr()&&GENERATEPRECISEGC)
806 objecttemps.addPtr(tmp);
808 objecttemps.addPrim(tmp);
810 /* Create temp to hold revert table */
811 if (lb.getHasAtomic()) {
812 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
813 if (GENERATEPRECISEGC)
814 objecttemps.addPtr(reverttmp);
816 objecttemps.addPrim(reverttmp);
817 reverttable.put(lb, reverttmp);
822 /** This method outputs the following information about classes
824 * (1) For classes, what are the locations of pointers.
825 * (2) For arrays, does the array contain pointers or primitives.
826 * (3) For classes, does the class contain flags.
829 private void generateLayoutStructs(PrintWriter output) {
830 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
831 while(it.hasNext()) {
832 ClassDescriptor cn=(ClassDescriptor)it.next();
833 output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
834 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
836 while(allit.hasNext()) {
837 FieldDescriptor fd=(FieldDescriptor)allit.next();
838 TypeDescriptor type=fd.getType();
839 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
845 allit=cn.getFieldTable().getAllDescriptorsIterator();
846 while(allit.hasNext()) {
847 FieldDescriptor fd=(FieldDescriptor)allit.next();
848 TypeDescriptor type=fd.getType();
849 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
853 output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
856 output.println("};");
858 output.println("unsigned int * pointerarray[]={");
859 boolean needcomma=false;
860 for(int i=0;i<state.numClasses();i++) {
861 ClassDescriptor cn=cdarray[i];
865 output.print(cn.getSafeSymbol()+"_pointers");
868 for(int i=0;i<state.numArrays();i++) {
870 output.println(", ");
871 TypeDescriptor tdelement=arraytable[i].dereference();
872 if (tdelement.isArray()||tdelement.isClass())
873 output.print("((unsigned int *)1)");
879 output.println("};");
881 output.println("int hasflags[]={");
882 for(int i=0;i<state.numClasses();i++) {
883 ClassDescriptor cn=cdarray[i];
885 output.println(", ");
892 output.println("};");
895 /** Print out table to give us supertypes */
896 private void generateSuperTypeTable(PrintWriter output) {
897 output.println("int supertypes[]={");
898 boolean needcomma=false;
899 for(int i=0;i<state.numClasses();i++) {
900 ClassDescriptor cn=cdarray[i];
904 if (cn.getSuperDesc()!=null) {
905 ClassDescriptor cdsuper=cn.getSuperDesc();
906 output.print(cdsuper.getId());
910 output.println("};");
913 /** Force consistent field ordering between inherited classes. */
915 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
917 ClassDescriptor sp=cn.getSuperDesc();
919 printClassStruct(sp, classdefout);
921 if (!fieldorder.containsKey(cn)) {
922 Vector fields=new Vector();
923 fieldorder.put(cn,fields);
924 Iterator fieldit=cn.getFields();
925 while(fieldit.hasNext()) {
926 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
927 if (sp==null||!sp.getFieldTable().contains(fd.getSymbol()))
931 Vector fields=(Vector)fieldorder.get(cn);
933 for(int i=0;i<fields.size();i++) {
934 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
935 if (fd.getType().isClass()||fd.getType().isArray())
936 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
938 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
943 /* Map flags to integers consistently between inherited
946 private void mapFlags(ClassDescriptor cn) {
947 ClassDescriptor sp=cn.getSuperDesc();
951 if (!flagorder.containsKey(cn)) {
952 Hashtable flags=new Hashtable();
953 flagorder.put(cn,flags);
955 Hashtable superflags=(Hashtable)flagorder.get(sp);
956 Iterator superflagit=superflags.keySet().iterator();
957 while(superflagit.hasNext()) {
958 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
959 Integer number=(Integer)superflags.get(fd);
960 flags.put(fd, number);
961 if ((number.intValue()+1)>max)
962 max=number.intValue()+1;
966 Iterator flagit=cn.getFlags();
967 while(flagit.hasNext()) {
968 FlagDescriptor fd=(FlagDescriptor)flagit.next();
969 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
970 flags.put(fd, new Integer(max++));
976 /** This function outputs (1) structures that parameters are
977 * passed in (when PRECISE GC is enabled) and (2) function
978 * prototypes for the methods */
980 private void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
981 /* Output class structure */
982 classdefout.println("struct "+cn.getSafeSymbol()+" {");
983 classdefout.println(" int type;");
985 classdefout.println(" pthread_t tid;");
986 classdefout.println(" void * lockentry;");
987 classdefout.println(" int lockcount;");
991 classdefout.println(" int flag;");
992 classdefout.println(" void * flagptr;");
994 classdefout.println(" int numfses;");
995 classdefout.println(" int * fses;");
998 printClassStruct(cn, classdefout);
999 classdefout.println("};\n");
1002 /* Cycle through LocalityBindings */
1003 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1004 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1006 for(Iterator<LocalityBinding> lbit=lbset.iterator();lbit.hasNext();) {
1007 LocalityBinding lb=lbit.next();
1008 MethodDescriptor md=lb.getMethod();
1009 if (md.getModifiers().isNative()) {
1010 //make sure we only print a native method once
1011 if (nativemethods.contains(md)) {
1012 FlatMethod fm=state.getMethodFlat(md);
1013 generateTempStructs(fm, lb);
1016 nativemethods.add(md);
1018 generateMethod(cn, md, lb, headersout, output);
1021 for(Iterator methodit=cn.getMethods();methodit.hasNext();) {
1022 MethodDescriptor md=(MethodDescriptor)methodit.next();
1023 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1024 //Need to build param structure for library code
1025 FlatMethod fm=state.getMethodFlat(md);
1026 generateTempStructs(fm, null);
1027 generateMethodParam(cn, md, null, output);
1032 for(Iterator methodit=cn.getMethods();methodit.hasNext();) {
1033 MethodDescriptor md=(MethodDescriptor)methodit.next();
1034 generateMethod(cn, md, null, headersout, output);
1038 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1039 /* Output parameter structure */
1040 if (GENERATEPRECISEGC) {
1041 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null?lb:md);
1042 if (state.DSM&&lb!=null)
1043 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1045 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1046 output.println(" int size;");
1047 output.println(" void * next;");
1048 for(int i=0;i<objectparams.numPointers();i++) {
1049 TempDescriptor temp=objectparams.getPointer(i);
1050 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1052 output.println("};\n");
1057 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1058 FlatMethod fm=state.getMethodFlat(md);
1059 generateTempStructs(fm, lb);
1061 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null?lb:md);
1062 TempObject objecttemps=(TempObject) tempstable.get(lb!=null?lb:md);
1064 generateMethodParam(cn, md, lb, output);
1066 /* Output temp structure */
1067 if (GENERATEPRECISEGC) {
1069 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1071 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1072 output.println(" int size;");
1073 output.println(" void * next;");
1074 for(int i=0;i<objecttemps.numPointers();i++) {
1075 TempDescriptor temp=objecttemps.getPointer(i);
1076 if (temp.getType().isNull())
1077 output.println(" void * "+temp.getSafeSymbol()+";");
1079 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1081 output.println("};\n");
1084 /********* Output method declaration ***********/
1086 /* First the return type */
1087 if (md.getReturnType()!=null) {
1088 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1089 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1091 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1093 //catch the constructor case
1094 headersout.print("void ");
1096 /* Next the method name */
1098 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1100 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1102 boolean printcomma=false;
1103 if (GENERATEPRECISEGC) {
1105 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1107 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1111 if (state.DSM&&lb.isAtomic()) {
1113 headersout.print(", ");
1114 headersout.print("transrecord_t * trans");
1118 /* Output parameter list*/
1119 for(int i=0;i<objectparams.numPrimitives();i++) {
1120 TempDescriptor temp=objectparams.getPrimitive(i);
1122 headersout.print(", ");
1124 if (temp.getType().isClass()||temp.getType().isArray())
1125 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1127 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1129 headersout.println(");\n");
1133 /** This function outputs (1) structures that parameters are
1134 * passed in (when PRECISE GC is enabled) and (2) function
1135 * prototypes for the tasks */
1137 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1138 /* Cycle through tasks */
1139 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1141 while(taskit.hasNext()) {
1142 /* Classify parameters */
1143 TaskDescriptor task=(TaskDescriptor)taskit.next();
1144 FlatMethod fm=state.getMethodFlat(task);
1145 generateTempStructs(fm, null);
1147 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1148 TempObject objecttemps=(TempObject) tempstable.get(task);
1150 /* Output parameter structure */
1151 if (GENERATEPRECISEGC) {
1152 output.println("struct "+task.getSafeSymbol()+"_params {");
1154 output.println(" int size;");
1155 output.println(" void * next;");
1156 for(int i=0;i<objectparams.numPointers();i++) {
1157 TempDescriptor temp=objectparams.getPointer(i);
1158 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1161 output.println("};\n");
1162 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1163 maxtaskparams=objectparams.numPointers()+fm.numTags();
1167 /* Output temp structure */
1168 if (GENERATEPRECISEGC) {
1169 output.println("struct "+task.getSafeSymbol()+"_locals {");
1170 output.println(" int size;");
1171 output.println(" void * next;");
1172 for(int i=0;i<objecttemps.numPointers();i++) {
1173 TempDescriptor temp=objecttemps.getPointer(i);
1174 if (temp.getType().isNull())
1175 output.println(" void * "+temp.getSafeSymbol()+";");
1176 else if(temp.getType().isTag())
1177 output.println(" struct "+
1178 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1180 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1182 output.println("};\n");
1185 /* Output task declaration */
1186 headersout.print("void " + task.getSafeSymbol()+"(");
1188 boolean printcomma=false;
1189 if (GENERATEPRECISEGC) {
1190 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1192 headersout.print("void * parameterarray[]");
1193 headersout.println(");\n");
1197 /***** Generate code for FlatMethod fm. *****/
1199 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1200 MethodDescriptor md=fm.getMethod();
1202 TaskDescriptor task=fm.getTask();
1204 ClassDescriptor cn=md!=null?md.getClassDesc():null;
1206 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:md!=null?md:task);
1207 generateHeader(fm, lb, md!=null?md:task,output);
1208 TempObject objecttemp=(TempObject) tempstable.get(lb!=null?lb:md!=null?md:task);
1209 if (state.DSM&&lb.getHasAtomic()) {
1210 output.println("transrecord_t * trans;");
1213 if (GENERATEPRECISEGC) {
1214 if (md!=null&&state.DSM)
1215 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1216 else if (md!=null&&!state.DSM)
1217 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1219 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1221 output.print(objecttemp.numPointers()+",");
1222 output.print(paramsprefix);
1223 for(int j=0;j<objecttemp.numPointers();j++)
1224 output.print(", NULL");
1225 output.println("};");
1228 for(int i=0;i<objecttemp.numPrimitives();i++) {
1229 TempDescriptor td=objecttemp.getPrimitive(i);
1230 TypeDescriptor type=td.getType();
1232 output.println(" void * "+td.getSafeSymbol()+";");
1233 else if (type.isClass()||type.isArray())
1234 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1236 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1239 /* Assign labels to FlatNode's if necessary.*/
1241 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(fm);
1243 /* Check to see if we need to do a GC if this is a
1244 * multi-threaded program...*/
1246 if (state.THREAD&&GENERATEPRECISEGC) {
1247 output.println("checkcollect(&"+localsprefix+");");
1250 /* Do the actual code generation */
1251 FlatNode current_node=null;
1252 HashSet tovisit=new HashSet();
1253 HashSet visited=new HashSet();
1254 tovisit.add(fm.getNext(0));
1255 while(current_node!=null||!tovisit.isEmpty()) {
1256 if (current_node==null) {
1257 current_node=(FlatNode)tovisit.iterator().next();
1258 tovisit.remove(current_node);
1260 visited.add(current_node);
1261 if (nodetolabel.containsKey(current_node))
1262 output.println("L"+nodetolabel.get(current_node)+":");
1263 if (state.INSTRUCTIONFAILURE) {
1265 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1268 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1270 if (current_node.numNext()==0) {
1272 generateFlatNode(fm, lb, current_node, output);
1273 if (current_node.kind()!=FKind.FlatReturnNode) {
1274 output.println(" return;");
1277 } else if(current_node.numNext()==1) {
1279 generateFlatNode(fm, lb, current_node, output);
1280 FlatNode nextnode=current_node.getNext(0);
1281 if (visited.contains(nextnode)) {
1282 output.println("goto L"+nodetolabel.get(nextnode)+";");
1285 current_node=nextnode;
1286 } else if (current_node.numNext()==2) {
1289 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1290 if (!visited.contains(current_node.getNext(1)))
1291 tovisit.add(current_node.getNext(1));
1292 if (visited.contains(current_node.getNext(0))) {
1293 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1296 current_node=current_node.getNext(0);
1297 } else throw new Error();
1300 output.println("}\n\n");
1303 /** This method assigns labels to FlatNodes */
1305 private Hashtable<FlatNode, Integer> assignLabels(FlatMethod fm) {
1306 HashSet tovisit=new HashSet();
1307 HashSet visited=new HashSet();
1309 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1310 tovisit.add(fm.getNext(0));
1312 /*Assign labels first. A node needs a label if the previous
1313 * node has two exits or this node is a join point. */
1315 while(!tovisit.isEmpty()) {
1316 FlatNode fn=(FlatNode)tovisit.iterator().next();
1319 for(int i=0;i<fn.numNext();i++) {
1320 FlatNode nn=fn.getNext(i);
1322 //1) Edge >1 of node
1323 nodetolabel.put(nn,new Integer(labelindex++));
1325 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1329 nodetolabel.put(nn,new Integer(labelindex++));
1337 /** Generate text string that corresponds to the TempDescriptor td. */
1338 private String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1339 MethodDescriptor md=fm.getMethod();
1340 TaskDescriptor task=fm.getTask();
1341 TempObject objecttemps=(TempObject) tempstable.get(lb!=null?lb:md!=null?md:task);
1343 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1344 return td.getSafeSymbol();
1347 if (objecttemps.isLocalPtr(td)) {
1348 return localsprefix+"."+td.getSafeSymbol();
1351 if (objecttemps.isParamPtr(td)) {
1352 return paramsprefix+"->"+td.getSafeSymbol();
1357 private void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1359 case FKind.FlatAtomicEnterNode:
1360 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1362 case FKind.FlatAtomicExitNode:
1363 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1365 case FKind.FlatGlobalConvNode:
1366 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1368 case FKind.FlatTagDeclaration:
1369 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1371 case FKind.FlatCall:
1372 generateFlatCall(fm, lb, (FlatCall) fn,output);
1374 case FKind.FlatFieldNode:
1375 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1377 case FKind.FlatElementNode:
1378 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1380 case FKind.FlatSetElementNode:
1381 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1383 case FKind.FlatSetFieldNode:
1384 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1387 generateFlatNew(fm, lb, (FlatNew) fn,output);
1389 case FKind.FlatOpNode:
1390 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1392 case FKind.FlatCastNode:
1393 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1395 case FKind.FlatLiteralNode:
1396 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1398 case FKind.FlatReturnNode:
1399 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1402 output.println("/* nop */");
1404 case FKind.FlatBackEdge:
1405 if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
1406 output.println("checkcollect(&"+localsprefix+");");
1408 output.println("/* nop */");
1410 case FKind.FlatCheckNode:
1411 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1413 case FKind.FlatFlagActionNode:
1414 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1416 case FKind.FlatPrefetchNode:
1417 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1423 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1424 System.out.println("Inside generateFlatPrefetchNode()");
1425 if (state.PREFETCH) {
1426 System.out.println("The Prefetch pairs to be fetched are "+ fpn.hspp);
1427 Iterator it = fpn.hspp.iterator();
1428 for(;it.hasNext();) {
1429 PrefetchPair pp = (PrefetchPair) it.next();
1430 //TODO handle arrays in prefetch tuples, currently only handle fields
1431 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1432 System.out.println("DEBUG-> generateFlatPrefetchNode()" + statusbase);
1433 if(statusbase == LocalityAnalysis.GLOBAL) {
1434 // Generate oid for base
1436 for(int i = 0; i<pp.desc.size(); i++) {
1437 Object o = pp.desc.get(i);
1438 if(!(o instanceof IndexDescriptor)) {
1439 FieldDescriptor fd = (FieldDescriptor) o;
1440 Integer statusfd = locality.getNodePreTempInfo(lb,fpn).get(fd);
1441 System.out.println("DEBUG-> generateFlatPrefetchNode() fd" + statusfd);
1442 //find out the locality of the fieldDescriptor
1443 if(statusfd == LocalityAnalysis.GLOBAL) {
1444 //generate oid for it
1450 //Each temp descriptor can be an oid
1451 //Find locality of each prefetch tuple in the FLatPrefetchNode
1452 //Separate them as Local or Global
1453 //generate oids and offset value for prefetch tuple
1457 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1458 if (lb!=fgcn.getLocality())
1460 /* Have to generate flat globalconv */
1461 if (fgcn.getMakePtr()) {
1462 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)transRead(trans, (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1464 /* Need to convert to OID */
1465 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1469 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1470 /* Check to see if we need to generate code for this atomic */
1471 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1473 /* Backup the temps. */
1474 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator();tmpit.hasNext();) {
1475 TempDescriptor tmp=tmpit.next();
1476 output.println(generateTemp(fm, backuptable.get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1478 output.println("goto transstart"+faen.getIdentifier()+";");
1480 /******* Print code to retry aborted transaction *******/
1481 output.println("transretry"+faen.getIdentifier()+":");
1484 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator();tmpit.hasNext();) {
1485 TempDescriptor tmp=tmpit.next();
1486 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(tmp),lb)+";");
1489 /********* Need to revert local object store ********/
1490 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1492 output.println("while ("+revertptr+") {");
1493 output.println("struct ___Object___ * tmpptr;");
1494 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1495 output.println("REVERT_OBJ("+revertptr+");");
1496 output.println(revertptr+"=tmpptr;");
1497 output.println("}");
1499 /******* Tell the runtime to start the transaction *******/
1501 output.println("transstart"+faen.getIdentifier()+":");
1502 output.println("trans=transStart();");
1505 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1506 /* Check to see if we need to generate code for this atomic */
1507 if (locality.getAtomic(lb).get(faen).intValue()>0)
1509 //store the revert list before we lose the transaction object
1510 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1511 output.println(revertptr+"=trans->revertlist;");
1512 output.println("if (transCommit(trans)) {");
1513 /* Transaction aborts if it returns true */
1514 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1515 output.println("} else {");
1516 /* Need to commit local object store */
1517 output.println("while ("+revertptr+") {");
1518 output.println("struct ___Object___ * tmpptr;");
1519 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1520 output.println("COMMIT_OBJ("+revertptr+");");
1521 output.println(revertptr+"=tmpptr;");
1522 output.println("}");
1523 output.println("}");
1526 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
1527 if (state.CONSCHECK) {
1528 String specname=fcn.getSpec();
1529 String varname="repairstate___";
1530 output.println("{");
1531 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1533 TempDescriptor[] temps=fcn.getTemps();
1534 String[] vars=fcn.getVars();
1535 for(int i=0;i<temps.length;i++) {
1536 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
1539 output.println("if (doanalysis"+specname+"("+varname+")) {");
1540 output.println("free"+specname+"_state("+varname+");");
1541 output.println("} else {");
1542 output.println("/* Bad invariant */");
1543 output.println("free"+specname+"_state("+varname+");");
1544 output.println("abort_task();");
1545 output.println("}");
1546 output.println("}");
1550 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
1551 MethodDescriptor md=fc.getMethod();
1552 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM?locality.getBinding(lb, fc):md);
1553 ClassDescriptor cn=md.getClassDesc();
1554 output.println("{");
1555 if (GENERATEPRECISEGC) {
1557 LocalityBinding fclb=locality.getBinding(lb, fc);
1558 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1560 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1562 output.print(objectparams.numPointers());
1563 output.print(", & "+localsprefix);
1564 if (fc.getThis()!=null) {
1566 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
1568 for(int i=0;i<fc.numArgs();i++) {
1569 Descriptor var=md.getParameter(i);
1570 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1571 if (objectparams.isParamPtr(paramtemp)) {
1572 TempDescriptor targ=fc.getArg(i);
1574 TypeDescriptor td=md.getParamType(i);
1576 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1578 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1581 output.println("};");
1586 if (fc.getReturnTemp()!=null)
1587 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
1589 /* Do we need to do virtual dispatch? */
1590 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
1593 LocalityBinding fclb=locality.getBinding(lb, fc);
1594 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1596 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1601 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1602 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1604 output.print(md.getReturnType().getSafeSymbol()+" ");
1605 output.print("(*)(");
1607 boolean printcomma=false;
1608 if (GENERATEPRECISEGC) {
1610 LocalityBinding fclb=locality.getBinding(lb, fc);
1611 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1613 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1617 for(int i=0;i<objectparams.numPrimitives();i++) {
1618 TempDescriptor temp=objectparams.getPrimitive(i);
1622 if (temp.getType().isClass()||temp.getType().isArray())
1623 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
1625 output.print(temp.getType().getSafeSymbol());
1629 LocalityBinding fclb=locality.getBinding(lb, fc);
1630 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
1632 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
1636 boolean needcomma=false;
1637 if (GENERATEPRECISEGC) {
1638 output.print("&__parameterlist__");
1642 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()) {
1645 output.print("trans");
1649 if (!GENERATEPRECISEGC) {
1650 if (fc.getThis()!=null) {
1651 TypeDescriptor ptd=md.getThis().getType();
1654 if (ptd.isClass()&&!ptd.isArray())
1655 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1656 output.print(generateTemp(fm,fc.getThis(),lb));
1661 for(int i=0;i<fc.numArgs();i++) {
1662 Descriptor var=md.getParameter(i);
1663 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1664 if (objectparams.isParamPrim(paramtemp)) {
1665 TempDescriptor targ=fc.getArg(i);
1669 TypeDescriptor ptd=md.getParamType(i);
1670 if (ptd.isClass()&&!ptd.isArray())
1671 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1672 output.print(generateTemp(fm, targ,lb));
1676 output.println(");");
1677 output.println(" }");
1680 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
1681 Set subclasses=typeutil.getSubClasses(thiscd);
1682 if (subclasses==null)
1684 for(Iterator classit=subclasses.iterator();classit.hasNext();) {
1685 ClassDescriptor cd=(ClassDescriptor)classit.next();
1686 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
1687 for(Iterator matchit=possiblematches.iterator();matchit.hasNext();) {
1688 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
1689 if (md.matches(matchmd))
1696 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
1698 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
1699 if (status==LocalityAnalysis.GLOBAL) {
1700 String field=ffn.getField().getSafeSymbol();
1701 String src=generateTemp(fm, ffn.getSrc(),lb);
1702 String dst=generateTemp(fm, ffn.getDst(),lb);
1704 if (ffn.getField().getType().isPtr()) {
1706 //TODO: Uncomment this when we have runtime support
1707 //if (ffn.getSrc()==ffn.getDst()) {
1708 //output.println("{");
1709 //output.println("void * temp="+src+";");
1710 //output.println("if (temp&0x1) {");
1711 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
1712 //output.println(src+"->"+field+"="+temp+";");
1713 //output.println("}");
1714 //output.println(dst+"=temp;");
1715 //output.println("}");
1717 output.println(dst+"="+ src +"->"+field+ ";");
1718 //output.println("if ("+dst+"&0x1) {");
1719 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
1720 //output.println(src+"->"+field+"="+src+"->"+field+";");
1721 //output.println("}");
1724 output.println(dst+"="+ src+"->"+field+";");
1726 } else if (status==LocalityAnalysis.LOCAL) {
1727 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1728 } else if (status==LocalityAnalysis.EITHER) {
1729 //Code is reading from a null pointer
1730 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
1731 output.println("printf(\"BIG ERROR\n\");exit(-1);}");
1732 //This should throw a suitable null pointer error
1733 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1735 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
1737 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1741 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
1742 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
1743 throw new Error("Can't set array length");
1744 if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
1745 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
1746 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
1747 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
1749 String src=generateTemp(fm,fsfn.getSrc(),lb);
1750 String dst=generateTemp(fm,fsfn.getDst(),lb);
1752 output.println("{");
1753 output.println("int srcoid=(int)"+src+"->"+oidstr+";");
1755 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
1758 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
1760 output.println("*((unsigned int *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
1762 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1763 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
1764 /** Check if we need to copy */
1765 output.println("if(!"+dst+"->"+localcopystr+") {");
1766 /* Link object into list */
1767 output.println(dst+"->"+nextobjstr+"=trans->revertlist;");
1768 output.println("trans->revertlist=(struct ___Object___ *)"+dst+";");
1769 if (GENERATEPRECISEGC)
1770 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
1772 output.println("COPY_OBJ("+dst+");");
1773 output.println("}");
1775 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
1777 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1778 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
1779 //writing to a null...bad
1780 output.println("if ("+dst+") {");
1781 output.println("printf(\"BIG ERROR 2\n\");exit(-1);}");
1783 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
1785 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1788 output.println("}");
1791 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
1795 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
1796 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
1799 if (elementtype.isArray()||elementtype.isClass())
1802 type=elementtype.getSafeSymbol()+" ";
1804 if (fen.needsBoundsCheck()) {
1805 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
1806 output.println("failedboundschk();");
1809 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
1812 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
1813 //TODO: need dynamic check to make sure this assignment is actually legal
1814 //Because Object[] could actually be something more specific...ie. Integer[]
1816 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
1819 if (elementtype.isArray()||elementtype.isClass())
1822 type=elementtype.getSafeSymbol()+" ";
1824 if (fsen.needsBoundsCheck()) {
1825 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
1826 output.println("failedboundschk();");
1829 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
1832 private void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
1833 if (fn.getType().isArray()) {
1834 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
1835 if (fn.isGlobal()) {
1836 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal(trans, "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
1837 } else if (GENERATEPRECISEGC) {
1838 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
1840 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
1843 if (fn.isGlobal()) {
1844 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal(trans, "+fn.getType().getClassDesc().getId()+");");
1845 } else if (GENERATEPRECISEGC) {
1846 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
1848 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
1853 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
1854 if (GENERATEPRECISEGC) {
1855 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
1857 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
1861 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
1862 if (fon.getRight()!=null)
1863 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
1864 else if (fon.getOp().getOp()==Operation.ASSIGN)
1865 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
1866 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
1867 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
1868 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
1869 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
1870 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
1871 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
1872 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
1873 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
1875 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
1878 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
1879 /* TODO: Do type check here */
1880 if (fcn.getType().isArray()) {
1882 } else if (fcn.getType().isClass())
1883 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
1885 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
1888 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
1889 if (fln.getValue()==null)
1890 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
1891 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
1892 if (GENERATEPRECISEGC) {
1893 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
1895 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
1897 } else if (fln.getType().isBoolean()) {
1898 if (((Boolean)fln.getValue()).booleanValue())
1899 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
1901 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
1902 } else if (fln.getType().isChar()) {
1903 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
1904 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
1906 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
1909 private void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
1910 if (frn.getReturnTemp()!=null) {
1911 if (frn.getReturnTemp().getType().isPtr())
1912 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
1914 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
1916 output.println("return;");
1919 private void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
1920 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
1923 /** This method generates header information for the method or
1924 * task referenced by the Descriptor des. */
1926 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
1928 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:des);
1929 MethodDescriptor md=null;
1930 TaskDescriptor task=null;
1931 if (des instanceof MethodDescriptor)
1932 md=(MethodDescriptor) des;
1934 task=(TaskDescriptor) des;
1936 ClassDescriptor cn=md!=null?md.getClassDesc():null;
1938 if (md!=null&&md.getReturnType()!=null) {
1939 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1940 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1942 output.print(md.getReturnType().getSafeSymbol()+" ");
1944 //catch the constructor case
1945 output.print("void ");
1948 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1950 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1952 output.print(task.getSafeSymbol()+"(");
1954 boolean printcomma=false;
1955 if (GENERATEPRECISEGC) {
1958 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1960 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1962 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1966 if (state.DSM&&lb.isAtomic()) {
1969 output.print("transrecord_t * trans");
1975 for(int i=0;i<objectparams.numPrimitives();i++) {
1976 TempDescriptor temp=objectparams.getPrimitive(i);
1980 if (temp.getType().isClass()||temp.getType().isArray())
1981 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1983 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1985 output.println(") {");
1986 } else if (!GENERATEPRECISEGC) {
1987 /* Imprecise Task */
1988 output.println("void * parameterarray[]) {");
1989 /* Unpack variables */
1990 for(int i=0;i<objectparams.numPrimitives();i++) {
1991 TempDescriptor temp=objectparams.getPrimitive(i);
1992 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
1994 for(int i=0;i<fm.numTags();i++) {
1995 TempDescriptor temp=fm.getTag(i);
1996 int offset=i+objectparams.numPrimitives();
1997 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2000 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2001 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2002 } else output.println(") {");
2005 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2006 output.println("/* FlatFlagActionNode */");
2009 /* Process tag changes */
2010 Relation tagsettable=new Relation();
2011 Relation tagcleartable=new Relation();
2013 Iterator tagsit=ffan.getTempTagPairs();
2014 while (tagsit.hasNext()) {
2015 TempTagPair ttp=(TempTagPair) tagsit.next();
2016 TempDescriptor objtmp=ttp.getTemp();
2017 TagDescriptor tag=ttp.getTag();
2018 TempDescriptor tagtmp=ttp.getTagTemp();
2019 boolean tagstatus=ffan.getTagChange(ttp);
2021 tagsettable.put(objtmp, tagtmp);
2023 tagcleartable.put(objtmp, tagtmp);
2028 Hashtable flagandtable=new Hashtable();
2029 Hashtable flagortable=new Hashtable();
2031 /* Process flag changes */
2032 Iterator flagsit=ffan.getTempFlagPairs();
2033 while(flagsit.hasNext()) {
2034 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2035 TempDescriptor temp=tfp.getTemp();
2036 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2037 FlagDescriptor flag=tfp.getFlag();
2039 //Newly allocate objects that don't set any flags case
2040 if (flagortable.containsKey(temp)) {
2044 flagortable.put(temp,new Integer(mask));
2046 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2047 boolean flagstatus=ffan.getFlagChange(tfp);
2050 if (flagortable.containsKey(temp)) {
2051 mask=((Integer)flagortable.get(temp)).intValue();
2054 flagortable.put(temp,new Integer(mask));
2056 int mask=0xFFFFFFFF;
2057 if (flagandtable.containsKey(temp)) {
2058 mask=((Integer)flagandtable.get(temp)).intValue();
2060 mask&=(0xFFFFFFFF^flagid);
2061 flagandtable.put(temp,new Integer(mask));
2067 HashSet flagtagset=new HashSet();
2068 flagtagset.addAll(flagortable.keySet());
2069 flagtagset.addAll(flagandtable.keySet());
2070 flagtagset.addAll(tagsettable.keySet());
2071 flagtagset.addAll(tagcleartable.keySet());
2073 Iterator ftit=flagtagset.iterator();
2074 while(ftit.hasNext()) {
2075 TempDescriptor temp=(TempDescriptor)ftit.next();
2078 Set tagtmps=tagcleartable.get(temp);
2079 if (tagtmps!=null) {
2080 Iterator tagit=tagtmps.iterator();
2081 while(tagit.hasNext()) {
2082 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2083 if (GENERATEPRECISEGC)
2084 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2086 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2090 tagtmps=tagsettable.get(temp);
2091 if (tagtmps!=null) {
2092 Iterator tagit=tagtmps.iterator();
2093 while(tagit.hasNext()) {
2094 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2095 if (GENERATEPRECISEGC)
2096 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2098 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2103 int andmask=0xFFFFFFF;
2105 if (flagortable.containsKey(temp))
2106 ormask=((Integer)flagortable.get(temp)).intValue();
2107 if (flagandtable.containsKey(temp))
2108 andmask=((Integer)flagandtable.get(temp)).intValue();
2109 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2110 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2112 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2117 void generateOptionalHeader(PrintWriter headers) {
2120 headers.println("#include \"task.h\"\n\n");
2121 headers.println("#ifndef _OPTIONAL_STRUCT_");
2122 headers.println("#define _OPTIONAL_STRUCT_");
2124 //STRUCT PREDICATEMEMBER
2125 headers.println("struct predicatemember{");
2126 headers.println("int type;");
2127 headers.println("int numdnfterms;");
2128 headers.println("int * flags;");
2129 headers.println("int numtags;");
2130 headers.println("int * tags;\n};\n\n");
2132 //STRUCT OPTIONALTASKDESCRIPTOR
2133 headers.println("struct optionaltaskdescriptor{");
2134 headers.println("struct taskdescriptor * task;");
2135 headers.println("int index;");
2136 headers.println("int numenterflags;");
2137 headers.println("int * enterflags;");
2138 headers.println("int numpredicatemembers;");
2139 headers.println("struct predicatemember ** predicatememberarray;");
2140 headers.println("};\n\n");
2142 //STRUCT TASKFAILURE
2143 headers.println("struct taskfailure {");
2144 headers.println("struct taskdescriptor * task;");
2145 headers.println("int index;");
2146 headers.println("int numoptionaltaskdescriptors;");
2147 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2149 //STRUCT FSANALYSISWRAPPER
2150 headers.println("struct fsanalysiswrapper{");
2151 headers.println("int flags;");
2152 headers.println("int numtags;");
2153 headers.println("int * tags;");
2154 headers.println("int numtaskfailures;");
2155 headers.println("struct taskfailure ** taskfailurearray;");
2156 headers.println("int numoptionaltaskdescriptors;");
2157 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2159 //STRUCT CLASSANALYSISWRAPPER
2160 headers.println("struct classanalysiswrapper{");
2161 headers.println("int type;");
2162 headers.println("int numotd;");
2163 headers.println("struct optionaltaskdescriptor ** otdarray;");
2164 headers.println("int numfsanalysiswrappers;");
2165 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2167 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2169 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2170 while(taskit.hasNext()) {
2171 TaskDescriptor td=(TaskDescriptor)taskit.next();
2172 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2177 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2178 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2179 int predicateindex = 0;
2180 //iterate through the classes concerned by the predicate
2181 Set c_vard = predicate.vardescriptors;
2182 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2185 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();){
2186 VarDescriptor vard = (VarDescriptor)vard_it.next();
2187 TypeDescriptor typed = vard.getType();
2189 //generate for flags
2190 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2191 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2193 if (fen_hashset!=null){
2194 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();){
2195 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2197 DNFFlag dflag=fen.getDNF();
2198 numberterms+=dflag.size();
2200 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2202 for(int j=0;j<dflag.size();j++) {
2204 output.println(",");
2205 Vector term=dflag.get(j);
2208 for(int k=0;k<term.size();k++) {
2209 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2210 FlagDescriptor fd=dfa.getFlag();
2211 boolean negated=dfa.getNegated();
2212 int flagid=1<<((Integer)flags.get(fd)).intValue();
2217 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2222 output.println("};\n");
2225 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2226 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2229 for(int j=0;j<tagel.numTags();j++) {
2231 output.println(",");
2232 TempDescriptor tmp=tagel.getTemp(j);
2233 if (!slotnumber.containsKey(tmp)) {
2234 Integer slotint=new Integer(current_slot++);
2235 slotnumber.put(tmp,slotint);
2237 int slot=slotnumber.get(tmp).intValue();
2238 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2240 numtags = tagel.numTags();
2242 output.println("};");
2244 //store the result into a predicatemember struct
2245 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2246 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2247 output.println("/* number of dnf terms */"+numberterms+",");
2248 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2249 output.println("/* number of tag */"+numtags+",");
2250 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2251 output.println("};\n");
2256 //generate an array that stores the entire predicate
2257 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2258 for( int j = 0; j<predicateindex; j++){
2259 if( j != predicateindex-1)output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2260 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2262 output.println("};\n");
2263 return predicateindex;
2267 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2268 generateOptionalHeader(headers);
2270 output.println("#include \"optionalstruct.h\"\n\n");
2271 output.println("#include \"stdlib.h\"\n");
2273 HashSet processedcd = new HashSet();
2275 Enumeration e = safeexecution.keys();
2276 while (e.hasMoreElements()) {
2279 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2280 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp);//will be used several times
2282 //Generate the struct of optionals
2283 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2284 numotd = c_otd.size();
2285 if(maxotd<numotd) maxotd = numotd;
2286 if( !c_otd.isEmpty() ){
2287 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();){
2288 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2290 //generate the int arrays for the predicate
2291 Predicate predicate = otd.predicate;
2292 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
2293 TreeSet<Integer> fsset=new TreeSet<Integer>();
2294 //iterate through possible FSes corresponding to
2295 //the state when entering
2297 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();){
2298 FlagState fs = (FlagState)fses.next();
2300 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2301 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2302 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2305 fsset.add(new Integer(flagid));
2306 //tag information not needed because tag
2307 //changes are not tolerated.
2310 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2311 boolean needcomma=false;
2312 for(Iterator<Integer> it=fsset.iterator();it.hasNext();) {
2315 output.println(it.next());
2318 output.println("};\n");
2321 //generate optionaltaskdescriptor that actually
2322 //includes exit fses, predicate and the task
2324 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2325 output.println("&task_"+otd.td.getSafeSymbol()+",");
2326 output.println("/*index*/"+otd.getIndex()+",");
2327 output.println("/*number of enter flags*/"+fsset.size()+",");
2328 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2329 output.println("/*number of members */"+predicateindex+",");
2330 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2331 output.println("};\n");
2335 // if there are no optionals, there is no need to build the rest of the struct
2337 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
2338 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2339 if( !c_otd.isEmpty() ){
2340 boolean needcomma=false;
2341 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();){
2342 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2344 output.println(",");
2346 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2349 output.println("};\n");
2351 //get all the possible flagstates reachable by an object
2352 Hashtable hashtbtemp = safeexecution.get(cdtemp);
2354 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
2355 fsts.addAll(hashtbtemp.keySet());
2356 for(Iterator fsit=fsts.iterator();fsit.hasNext();) {
2357 FlagState fs = (FlagState)fsit.next();
2360 //get the set of OptionalTaskDescriptors corresponding
2361 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
2362 //iterate through the OptionalTaskDescriptors and
2363 //store the pointers to the optionals struct (see on
2364 //top) into an array
2366 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
2367 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();){
2368 OptionalTaskDescriptor mm = mos.next();
2370 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
2372 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2375 output.println("};\n");
2377 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
2380 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2381 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2382 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2386 //process tag information
2389 boolean first = true;
2390 Enumeration tag_enum = fs.getTags();
2391 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2392 while(tag_enum.hasMoreElements()){
2394 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
2398 output.println(", ");
2399 output.println("/*tagid*/"+state.getTagId(tagd));
2401 output.println("};");
2403 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
2404 for(Iterator<TaskIndex> itti=tiset.iterator();itti.hasNext();) {
2405 TaskIndex ti=itti.next();
2409 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
2411 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
2412 boolean needcomma=false;
2413 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator();otdit.hasNext();) {
2414 OptionalTaskDescriptor otd=otdit.next();
2418 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2420 output.println("};");
2422 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
2423 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
2424 output.print(ti.getIndex()+", ");
2425 output.print(otdset.size()+", ");
2426 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
2427 output.println("};");
2430 tiset=sa.getTaskIndex(fs);
2431 boolean needcomma=false;
2433 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2434 for(Iterator<TaskIndex> itti=tiset.iterator();itti.hasNext();) {
2435 TaskIndex ti=itti.next();
2436 if (ti.isRuntime()) {
2443 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
2445 output.println("};\n");
2447 //Store the result in fsanalysiswrapper
2449 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
2450 output.println("/*flag*/"+flagid+",");
2451 output.println("/* number of tags*/"+tagcounter+",");
2452 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2453 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
2454 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2455 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
2456 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
2457 output.println("};\n");
2461 //Build the array of fsanalysiswrappers
2462 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
2463 boolean needcomma=false;
2464 for(int i = 0; i<fscounter; i++){
2465 if (needcomma) output.print(",");
2466 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
2469 output.println("};");
2471 //Build the classanalysiswrapper referring to the previous array
2472 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
2473 output.println("/*type*/"+cdtemp.getId()+",");
2474 output.println("/*numotd*/"+numotd+",");
2475 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
2476 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
2477 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
2478 processedcd.add(cdtemp);
2481 //build an array containing every classes for which code has been build
2482 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
2483 for(int i=0;i<state.numClasses();i++) {
2484 ClassDescriptor cn=cdarray[i];
2487 if (processedcd.contains(cn))
2488 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
2490 output.print("NULL");
2492 output.println("};");
2494 output.println("#define MAXOTD "+maxotd);
2495 headers.println("#endif");
2498 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
2499 Relation r=new Relation();
2500 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator();otdit.hasNext();) {
2501 OptionalTaskDescriptor otd=otdit.next();
2502 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
2506 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
2507 for(Iterator it=r.keySet().iterator();it.hasNext();) {
2508 Set s=r.get(it.next());
2509 for(Iterator it2=s.iterator();it2.hasNext();) {
2510 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();