2 import IR.Tree.FlagExpressionNode;
3 import IR.Tree.DNFFlag;
4 import IR.Tree.DNFFlagAtom;
5 import IR.Tree.TagExpressionList;
6 import IR.Tree.OffsetNode;
12 import Analysis.TaskStateAnalysis.FlagState;
13 import Analysis.TaskStateAnalysis.FlagComparator;
14 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
15 import Analysis.TaskStateAnalysis.Predicate;
16 import Analysis.TaskStateAnalysis.SafetyAnalysis;
17 import Analysis.TaskStateAnalysis.TaskIndex;
18 import Analysis.Locality.LocalityAnalysis;
19 import Analysis.Locality.LocalityBinding;
20 import Analysis.Prefetch.*;
21 import Analysis.Loops.WriteBarrier;
23 public class BuildCode {
26 Hashtable paramstable;
31 String localsprefix="___locals___";
32 String fcrevert="___fcrevert___";
33 String paramsprefix="___params___";
34 String oidstr="___nextobject___";
35 String nextobjstr="___nextobject___";
36 String localcopystr="___localcopy___";
37 public static boolean GENERATEPRECISEGC=false;
38 public static String PREFIX="";
39 public static String arraytype="ArrayObject";
40 public static int flagcount = 0;
43 protected int maxtaskparams=0;
44 private int maxcount=0;
45 ClassDescriptor[] cdarray;
46 TypeDescriptor[] arraytable;
47 LocalityAnalysis locality;
48 Hashtable<LocalityBinding, TempDescriptor> reverttable;
49 Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>> backuptable;
54 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
55 this(st, temptovar, typeutil, null, sa, pa);
58 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
59 this(st, temptovar, typeutil, locality, null, pa);
62 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa) {
67 oidstr="___objlocation___";
68 this.temptovar=temptovar;
69 paramstable=new Hashtable();
70 tempstable=new Hashtable();
71 fieldorder=new Hashtable();
72 flagorder=new Hashtable();
73 this.typeutil=typeutil;
74 virtualcalls=new Virtual(state,locality);
76 this.locality=locality;
77 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
78 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
79 this.wb=new WriteBarrier(locality, st);
83 /** The buildCode method outputs C code for all the methods. The Flat
84 * versions of the methods must already be generated and stored in
85 * the State object. */
87 public void buildCode() {
88 /* Create output streams to write to */
89 PrintWriter outclassdefs=null;
90 PrintWriter outstructs=null;
91 PrintWriter outrepairstructs=null;
92 PrintWriter outmethodheader=null;
93 PrintWriter outmethod=null;
94 PrintWriter outvirtual=null;
95 PrintWriter outtask=null;
96 PrintWriter outtaskdefs=null;
97 PrintWriter outoptionalarrays=null;
98 PrintWriter optionalheaders=null;
101 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
102 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
103 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
104 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
105 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
107 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
108 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
109 if (state.OPTIONAL) {
110 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
111 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
114 if (state.structfile!=null) {
115 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
117 } catch (Exception e) {
122 /* Build the virtual dispatch tables */
123 buildVirtualTables(outvirtual);
125 /* Output includes */
126 outmethodheader.println("#ifndef METHODHEADERS_H");
127 outmethodheader.println("#define METHODHEADERS_H");
128 outmethodheader.println("#include \"structdefs.h\"");
130 outmethodheader.println("#include \"dstm.h\"");
132 outmethodheader.println("#include \"tm.h\"");
133 if (state.ABORTREADERS) {
134 outmethodheader.println("#include \"abortreaders.h\"");
135 outmethodheader.println("#include <setjmp.h>");
138 /* Output Structures */
139 outputStructs(outstructs);
141 // Output the C class declarations
142 // These could mutually reference each other
143 outputClassDeclarations(outclassdefs);
145 // Output function prototypes and structures for parameters
146 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
147 while(it.hasNext()) {
148 ClassDescriptor cn=(ClassDescriptor)it.next();
149 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
151 outclassdefs.close();
154 /* Map flags to integers */
155 /* The runtime keeps track of flags using these integers */
156 it=state.getClassSymbolTable().getDescriptorsIterator();
157 while(it.hasNext()) {
158 ClassDescriptor cn=(ClassDescriptor)it.next();
162 generateTaskStructs(outstructs, outmethodheader);
164 /* Outputs generic task structures if this is a task
166 outputTaskTypes(outtask);
169 /* Build the actual methods */
170 outputMethods(outmethod);
173 /* Output code for tasks */
174 outputTaskCode(outtaskdefs, outmethod);
176 /* Record maximum number of task parameters */
177 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
178 } else if (state.main!=null) {
179 /* Generate main method */
180 outputMainMethod(outmethod);
183 /* Generate information for task with optional parameters */
184 if (state.TASK&&state.OPTIONAL) {
185 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
186 outoptionalarrays.close();
189 /* Output structure definitions for repair tool */
190 if (state.structfile!=null) {
191 buildRepairStructs(outrepairstructs);
192 outrepairstructs.close();
196 outmethodheader.println("#endif");
197 outmethodheader.close();
199 outstructs.println("#endif");
204 /* This code just generates the main C method for java programs.
205 * The main C method packs up the arguments into a string array
206 * and passes it to the java main method. */
208 private void outputMainMethod(PrintWriter outmethod) {
209 outmethod.println("int main(int argc, const char *argv[]) {");
210 outmethod.println(" int i;");
211 outmethod.println("#ifdef TRANSSTATS \n");
212 outmethod.println("handle();\n");
213 outmethod.println("#endif\n");
214 if (state.THREAD||state.DSM||state.SINGLETM) {
215 outmethod.println("initializethreads();");
218 outmethod.println("if (dstmStartup(argv[1])) {");
219 if (GENERATEPRECISEGC) {
220 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
222 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
225 if (GENERATEPRECISEGC) {
226 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
228 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
232 outmethod.println(" for(i=2;i<argc;i++) {");
234 outmethod.println(" for(i=1;i<argc;i++) {");
235 outmethod.println(" int length=strlen(argv[i]);");
236 if (GENERATEPRECISEGC) {
237 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
239 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
242 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
244 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
245 outmethod.println(" }");
248 MethodDescriptor md=typeutil.getMain();
249 ClassDescriptor cd=typeutil.getMainClass();
251 outmethod.println(" {");
252 if (GENERATEPRECISEGC) {
253 if (state.DSM||state.SINGLETM) {
254 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
256 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
257 outmethod.println("1, NULL,"+"stringarray};");
258 if (state.DSM||state.SINGLETM)
259 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
261 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
263 if (state.DSM||state.SINGLETM)
264 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
266 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
268 outmethod.println(" }");
271 outmethod.println("}");
274 if (state.THREAD||state.DSM||state.SINGLETM) {
275 outmethod.println("pthread_mutex_lock(&gclistlock);");
276 outmethod.println("threadcount--;");
277 outmethod.println("pthread_cond_signal(&gccond);");
278 outmethod.println("pthread_mutex_unlock(&gclistlock);");
279 if (state.THREAD||state.SINGLETM)
280 outmethod.println("pthread_exit(NULL);");
283 if (state.DSM||state.SINGLETM) {
284 outmethod.println("#ifdef TRANSSTATS \n");
285 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
286 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
287 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
288 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
289 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
290 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
291 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
292 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
293 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
294 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
295 outmethod.println("#endif\n");
297 outmethod.println("}");
301 /* This method outputs code for each task. */
303 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
304 /* Compile task based program */
305 outtaskdefs.println("#include \"task.h\"");
306 outtaskdefs.println("#include \"methodheaders.h\"");
307 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
308 while(taskit.hasNext()) {
309 TaskDescriptor td=(TaskDescriptor)taskit.next();
310 FlatMethod fm=state.getMethodFlat(td);
311 generateFlatMethod(fm, null, outmethod);
312 generateTaskDescriptor(outtaskdefs, fm, td);
315 //Output task descriptors
316 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
317 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
319 while(taskit.hasNext()) {
320 TaskDescriptor td=(TaskDescriptor)taskit.next();
324 outtaskdefs.println(",");
325 outtaskdefs.print("&task_"+td.getSafeSymbol());
327 outtaskdefs.println("};");
329 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
332 /* This method outputs most of the methods.c file. This includes
333 * some standard includes and then an array with the sizes of
334 * objets and array that stores supertype and then the code for
335 * the Java methods.. */
337 protected void outputMethods(PrintWriter outmethod) {
338 outmethod.println("#include \"methodheaders.h\"");
339 outmethod.println("#include \"virtualtable.h\"");
340 outmethod.println("#include \"runtime.h\"");
342 outmethod.println("#include \"addPrefetchEnhance.h\"");
343 outmethod.println("#include \"localobjects.h\"");
345 if (state.FASTCHECK) {
346 outmethod.println("#include \"localobjects.h\"");
348 if(state.MULTICORE) {
349 outmethod.println("#include \"task.h\"");
351 if (state.THREAD||state.DSM||state.SINGLETM)
352 outmethod.println("#include <thread.h>");
353 if (state.main!=null) {
354 outmethod.println("#include <string.h>");
356 if (state.CONSCHECK) {
357 outmethod.println("#include \"checkers.h\"");
360 outmethod.println("#include \"mlp_runtime.h\"");
363 //Store the sizes of classes & array elements
364 generateSizeArray(outmethod);
366 //Store table of supertypes
367 generateSuperTypeTable(outmethod);
369 //Store the layout of classes
370 generateLayoutStructs(outmethod);
372 /* Generate code for methods */
373 if (state.DSM||state.SINGLETM) {
374 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
375 LocalityBinding lb=lbit.next();
376 MethodDescriptor md=lb.getMethod();
377 FlatMethod fm=state.getMethodFlat(md);
379 if (!md.getModifiers().isNative()) {
380 generateFlatMethod(fm, lb, outmethod);
384 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
385 while(classit.hasNext()) {
386 ClassDescriptor cn=(ClassDescriptor)classit.next();
387 Iterator methodit=cn.getMethods();
388 while(methodit.hasNext()) {
389 /* Classify parameters */
390 MethodDescriptor md=(MethodDescriptor)methodit.next();
391 FlatMethod fm=state.getMethodFlat(md);
392 if (!md.getModifiers().isNative()) {
393 generateFlatMethod(fm, null, outmethod);
400 protected void outputStructs(PrintWriter outstructs) {
401 outstructs.println("#ifndef STRUCTDEFS_H");
402 outstructs.println("#define STRUCTDEFS_H");
403 outstructs.println("#include \"classdefs.h\"");
405 /* Output #defines that the runtime uses to determine type
406 * numbers for various objects it needs */
407 outstructs.println("#define MAXCOUNT "+maxcount);
408 if (state.DSM||state.SINGLETM) {
409 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
411 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
412 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
415 outstructs.println("#define STRINGARRAYTYPE "+
416 (state.getArrayNumber(
417 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
419 outstructs.println("#define OBJECTARRAYTYPE "+
420 (state.getArrayNumber(
421 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
424 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
425 outstructs.println("#define CHARARRAYTYPE "+
426 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
428 outstructs.println("#define BYTEARRAYTYPE "+
429 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
431 outstructs.println("#define BYTEARRAYARRAYTYPE "+
432 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
434 outstructs.println("#define NUMCLASSES "+state.numClasses());
436 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
437 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
438 outstructs.println("#define TAGARRAYTYPE "+
439 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
443 protected void outputClassDeclarations(PrintWriter outclassdefs) {
444 if (state.THREAD||state.DSM||state.SINGLETM)
445 outclassdefs.println("#include <pthread.h>");
447 outclassdefs.println("#include \"optionalstruct.h\"");
448 outclassdefs.println("struct "+arraytype+";");
449 /* Start by declaring all structs */
450 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
451 while(it.hasNext()) {
452 ClassDescriptor cn=(ClassDescriptor)it.next();
453 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
455 outclassdefs.println("");
456 //Print out definition for array type
457 outclassdefs.println("struct "+arraytype+" {");
458 outclassdefs.println(" int type;");
460 outclassdefs.println(" pthread_t tid;");
461 outclassdefs.println(" void * lockentry;");
462 outclassdefs.println(" int lockcount;");
465 outclassdefs.println(" int flag;");
466 if(!state.MULTICORE) {
467 outclassdefs.println(" void * flagptr;");
469 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
470 outclassdefs.println(" int version;");
471 outclassdefs.println(" struct ___Object___ * original;");
472 //outclassdefs.println(" int numlocks;"); // array for locks
473 outclassdefs.println(" int * lock;");
476 outclassdefs.println(" int numfses;");
477 outclassdefs.println(" int * fses;");
480 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
482 outclassdefs.println(" int ___length___;");
483 outclassdefs.println("};\n");
484 outclassdefs.println("extern int classsize[];");
485 outclassdefs.println("extern int hasflags[];");
486 outclassdefs.println("extern unsigned int * pointerarray[];");
487 outclassdefs.println("extern int supertypes[];");
490 /** Prints out definitions for generic task structures */
492 private void outputTaskTypes(PrintWriter outtask) {
493 outtask.println("#ifndef _TASK_H");
494 outtask.println("#define _TASK_H");
495 outtask.println("struct parameterdescriptor {");
496 outtask.println("int type;");
497 outtask.println("int numberterms;");
498 outtask.println("int *intarray;");
499 outtask.println("void * queue;");
500 outtask.println("int numbertags;");
501 outtask.println("int *tagarray;");
502 outtask.println("};");
504 outtask.println("struct taskdescriptor {");
505 outtask.println("void * taskptr;");
506 outtask.println("int numParameters;");
507 outtask.println(" int numTotal;");
508 outtask.println("struct parameterdescriptor **descriptorarray;");
509 outtask.println("char * name;");
510 outtask.println("};");
511 outtask.println("extern struct taskdescriptor * taskarray[];");
512 outtask.println("extern numtasks;");
513 outtask.println("#endif");
517 private void buildRepairStructs(PrintWriter outrepairstructs) {
518 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
519 while(classit.hasNext()) {
520 ClassDescriptor cn=(ClassDescriptor)classit.next();
521 outrepairstructs.println("structure "+cn.getSymbol()+" {");
522 outrepairstructs.println(" int __type__;");
524 outrepairstructs.println(" int __flag__;");
525 if(!state.MULTICORE) {
526 outrepairstructs.println(" int __flagptr__;");
529 printRepairStruct(cn, outrepairstructs);
530 outrepairstructs.println("}\n");
533 for(int i=0; i<state.numArrays(); i++) {
534 TypeDescriptor tdarray=arraytable[i];
535 TypeDescriptor tdelement=tdarray.dereference();
536 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
537 outrepairstructs.println(" int __type__;");
538 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
539 outrepairstructs.println(" int length;");
541 // Need to add support to repair tool for this
542 if (tdelement.isClass()||tdelement.isArray())
543 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
545 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
547 outrepairstructs.println("}\n");
551 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
552 ClassDescriptor sp=cn.getSuperDesc();
554 printRepairStruct(sp, output);
556 Vector fields=(Vector)fieldorder.get(cn);
558 for(int i=0; i<fields.size(); i++) {
559 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
560 if (fd.getType().isArray()) {
561 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
562 } else if (fd.getType().isClass())
563 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
564 else if (fd.getType().isFloat())
565 output.println(" int "+fd.getSymbol()+"; /* really float */");
567 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
571 /** This method outputs TaskDescriptor information */
572 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
573 for (int i=0; i<task.numParameters(); i++) {
574 VarDescriptor param_var=task.getParameter(i);
575 TypeDescriptor param_type=task.getParamType(i);
576 FlagExpressionNode param_flag=task.getFlag(param_var);
577 TagExpressionList param_tag=task.getTag(param_var);
580 if (param_flag==null) {
581 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
582 output.println("0x0, 0x0 };");
585 DNFFlag dflag=param_flag.getDNF();
586 dnfterms=dflag.size();
588 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
589 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
590 for(int j=0; j<dflag.size(); j++) {
593 Vector term=dflag.get(j);
596 for(int k=0; k<term.size(); k++) {
597 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
598 FlagDescriptor fd=dfa.getFlag();
599 boolean negated=dfa.getNegated();
600 int flagid=1<<((Integer)flags.get(fd)).intValue();
605 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
607 output.println("};");
610 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
611 //BUG...added next line to fix, test with any task program
613 for(int j=0; j<param_tag.numTags(); j++) {
616 /* for each tag we need */
617 /* which slot it is */
618 /* what type it is */
619 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
620 TempDescriptor tmp=param_tag.getTemp(j);
621 int slot=fm.getTagInt(tmp);
622 output.println(slot+", "+state.getTagId(tvd.getTag()));
624 output.println("};");
626 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
627 output.println("/* type */"+param_type.getClassDesc().getId()+",");
628 output.println("/* number of DNF terms */"+dnfterms+",");
629 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
630 output.println("0,");
631 //BUG, added next line to fix and else statement...test
632 //with any task program
634 output.println("/* number of tags */"+param_tag.numTags()+",");
636 output.println("/* number of tags */ 0,");
637 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
638 output.println("};");
642 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
643 for (int i=0; i<task.numParameters(); i++) {
646 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
648 output.println("};");
650 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
651 output.println("&"+task.getSafeSymbol()+",");
652 output.println("/* number of parameters */" +task.numParameters() + ",");
653 int numtotal=task.numParameters()+fm.numTags();
654 output.println("/* number total parameters */" +numtotal + ",");
655 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
656 output.println("\""+task.getSymbol()+"\"");
657 output.println("};");
661 /** The buildVirtualTables method outputs the virtual dispatch
662 * tables for methods. */
664 protected void buildVirtualTables(PrintWriter outvirtual) {
665 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
666 while(classit.hasNext()) {
667 ClassDescriptor cd=(ClassDescriptor)classit.next();
668 if (virtualcalls.getMethodCount(cd)>maxcount)
669 maxcount=virtualcalls.getMethodCount(cd);
671 MethodDescriptor[][] virtualtable=null;
672 LocalityBinding[][] lbvirtualtable=null;
673 if (state.DSM||state.SINGLETM)
674 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
676 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
678 /* Fill in virtual table */
679 classit=state.getClassSymbolTable().getDescriptorsIterator();
680 while(classit.hasNext()) {
681 ClassDescriptor cd=(ClassDescriptor)classit.next();
682 if (state.DSM||state.SINGLETM)
683 fillinRow(cd, lbvirtualtable, cd.getId());
685 fillinRow(cd, virtualtable, cd.getId());
688 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
689 Iterator arrayit=state.getArrayIterator();
690 while(arrayit.hasNext()) {
691 TypeDescriptor td=(TypeDescriptor)arrayit.next();
692 int id=state.getArrayNumber(td);
693 if (state.DSM||state.SINGLETM)
694 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
696 fillinRow(objectcd, virtualtable, id+state.numClasses());
699 outvirtual.print("void * virtualtable[]={");
700 boolean needcomma=false;
701 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
702 for(int j=0; j<maxcount; j++) {
704 outvirtual.print(", ");
705 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
706 LocalityBinding lb=lbvirtualtable[i][j];
707 MethodDescriptor md=lb.getMethod();
708 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
709 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
710 MethodDescriptor md=virtualtable[i][j];
711 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
713 outvirtual.print("0");
717 outvirtual.println("");
719 outvirtual.println("};");
723 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
724 /* Get inherited methods */
725 if (cd.getSuperDesc()!=null)
726 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
727 /* Override them with our methods */
728 for(Iterator it=cd.getMethods(); it.hasNext();) {
729 MethodDescriptor md=(MethodDescriptor)it.next();
730 if (md.isStatic()||md.getReturnType()==null)
732 int methodnum=virtualcalls.getMethodNumber(md);
733 virtualtable[rownum][methodnum]=md;
737 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
738 /* Get inherited methods */
739 if (cd.getSuperDesc()!=null)
740 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
741 /* Override them with our methods */
742 if (locality.getClassBindings(cd)!=null)
743 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
744 LocalityBinding lb=lbit.next();
745 MethodDescriptor md=lb.getMethod();
746 //Is the method static or a constructor
747 if (md.isStatic()||md.getReturnType()==null)
749 int methodnum=virtualcalls.getLocalityNumber(lb);
750 virtualtable[rownum][methodnum]=lb;
754 /** Generate array that contains the sizes of class objects. The
755 * object allocation functions in the runtime use this
758 private void generateSizeArray(PrintWriter outclassdefs) {
759 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
760 outclassdefs.print("#ifdef TRANSSTATS \n");
761 outclassdefs.print("extern int numTransAbort;\n");
762 outclassdefs.print("extern int numTransCommit;\n");
763 outclassdefs.print("extern int nchashSearch;\n");
764 outclassdefs.print("extern int nmhashSearch;\n");
765 outclassdefs.print("extern int nprehashSearch;\n");
766 outclassdefs.print("extern int nRemoteSend;\n");
767 outclassdefs.print("extern int nSoftAbort;\n");
768 outclassdefs.print("extern int bytesSent;\n");
769 outclassdefs.print("extern int bytesRecv;\n");
770 outclassdefs.print("extern void handle();\n");
771 outclassdefs.print("#endif\n");
772 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
774 outclassdefs.print("int classsize[]={");
775 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
776 cdarray=new ClassDescriptor[state.numClasses()];
777 while(it.hasNext()) {
778 ClassDescriptor cd=(ClassDescriptor)it.next();
779 cdarray[cd.getId()]=cd;
781 boolean needcomma=false;
782 for(int i=0; i<state.numClasses(); i++) {
784 outclassdefs.print(", ");
785 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
789 arraytable=new TypeDescriptor[state.numArrays()];
791 Iterator arrayit=state.getArrayIterator();
792 while(arrayit.hasNext()) {
793 TypeDescriptor td=(TypeDescriptor)arrayit.next();
794 int id=state.getArrayNumber(td);
798 for(int i=0; i<state.numArrays(); i++) {
800 outclassdefs.print(", ");
801 TypeDescriptor tdelement=arraytable[i].dereference();
802 if (tdelement.isArray()||tdelement.isClass())
803 outclassdefs.print("sizeof(void *)");
805 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
809 outclassdefs.println("};");
811 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
813 outclassdefs.print("int typearray[]={");
814 for(int i=0;i<state.numClasses();i++) {
815 ClassDescriptor cd=cdarray[i];
816 ClassDescriptor supercd=cd.getSuperDesc();
818 outclassdefs.print(", ");
820 outclassdefs.print("-1");
822 outclassdefs.print(supercd.getId());
826 for(int i=0;i<state.numArrays();i++) {
827 TypeDescriptor arraytd=arraytable[i];
828 ClassDescriptor arraycd=arraytd.getClassDesc();
831 outclassdefs.print(", ");
832 outclassdefs.print(objectclass.getId());
836 ClassDescriptor cd=arraycd.getSuperDesc();
839 TypeDescriptor supertd=new TypeDescriptor(cd);
840 supertd.setArrayCount(arraytd.getArrayCount());
841 type=state.getArrayNumber(supertd);
843 type+=state.numClasses();
846 cd=cd.getSuperDesc();
849 outclassdefs.print(", ");
850 outclassdefs.print(type);
854 outclassdefs.println("};");
859 outclassdefs.print("int typearray2[]={");
860 for(int i=0;i<state.numArrays();i++) {
861 TypeDescriptor arraytd=arraytable[i];
862 ClassDescriptor arraycd=arraytd.getClassDesc();
865 outclassdefs.print(", ");
866 outclassdefs.print("-1");
870 ClassDescriptor cd=arraycd.getSuperDesc();
871 int level=arraytd.getArrayCount()-1;
873 for(;level>0;level--) {
874 TypeDescriptor supertd=new TypeDescriptor(objectclass);
875 supertd.setArrayCount(level);
876 type=state.getArrayNumber(supertd);
878 type+=state.numClasses();
883 outclassdefs.print(", ");
884 outclassdefs.print(type);
888 outclassdefs.println("};");
891 /** Constructs params and temp objects for each method or task.
892 * These objects tell the compiler which temps need to be
895 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
896 MethodDescriptor md=fm.getMethod();
897 TaskDescriptor task=fm.getTask();
898 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
899 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
901 paramstable.put(lb, objectparams);
902 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
905 paramstable.put(md, objectparams);
907 paramstable.put(task, objectparams);
909 for(int i=0; i<fm.numParameters(); i++) {
910 TempDescriptor temp=fm.getParameter(i);
911 TypeDescriptor type=temp.getType();
912 if (type.isPtr()&&GENERATEPRECISEGC)
913 objectparams.addPtr(temp);
915 objectparams.addPrim(temp);
916 if(lb!=null&&saveset.contains(temp)) {
917 backuptable.get(lb).put(temp, temp.createNew());
921 for(int i=0; i<fm.numTags(); i++) {
922 TempDescriptor temp=fm.getTag(i);
923 if (GENERATEPRECISEGC)
924 objectparams.addPtr(temp);
926 objectparams.addPrim(temp);
929 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
931 tempstable.put(lb, objecttemps);
933 tempstable.put(md, objecttemps);
935 tempstable.put(task, objecttemps);
937 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
938 FlatNode fn=(FlatNode)nodeit.next();
939 TempDescriptor[] writes=fn.writesTemps();
940 for(int i=0; i<writes.length; i++) {
941 TempDescriptor temp=writes[i];
942 TypeDescriptor type=temp.getType();
943 if (type.isPtr()&&GENERATEPRECISEGC)
944 objecttemps.addPtr(temp);
946 objecttemps.addPrim(temp);
947 if(lb!=null&&saveset.contains(temp)&&
948 !backuptable.get(lb).containsKey(temp))
949 backuptable.get(lb).put(temp, temp.createNew());
953 /* Create backup temps */
955 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
956 TempDescriptor tmp=tmpit.next();
957 TypeDescriptor type=tmp.getType();
958 if (type.isPtr()&&GENERATEPRECISEGC)
959 objecttemps.addPtr(tmp);
961 objecttemps.addPrim(tmp);
963 /* Create temp to hold revert table */
964 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
965 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
966 if (GENERATEPRECISEGC)
967 objecttemps.addPtr(reverttmp);
969 objecttemps.addPrim(reverttmp);
970 reverttable.put(lb, reverttmp);
975 /** This method outputs the following information about classes
977 * (1) For classes, what are the locations of pointers.
978 * (2) For arrays, does the array contain pointers or primitives.
979 * (3) For classes, does the class contain flags.
982 private void generateLayoutStructs(PrintWriter output) {
983 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
984 while(it.hasNext()) {
985 ClassDescriptor cn=(ClassDescriptor)it.next();
986 output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
987 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
989 while(allit.hasNext()) {
990 FieldDescriptor fd=(FieldDescriptor)allit.next();
991 TypeDescriptor type=fd.getType();
992 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
998 allit=cn.getFieldTable().getAllDescriptorsIterator();
999 while(allit.hasNext()) {
1000 FieldDescriptor fd=(FieldDescriptor)allit.next();
1001 TypeDescriptor type=fd.getType();
1002 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1005 output.println(",");
1006 output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
1009 output.println("};");
1011 output.println("unsigned int * pointerarray[]={");
1012 boolean needcomma=false;
1013 for(int i=0; i<state.numClasses(); i++) {
1014 ClassDescriptor cn=cdarray[i];
1016 output.println(",");
1018 output.print(cn.getSafeSymbol()+"_pointers");
1021 for(int i=0; i<state.numArrays(); i++) {
1023 output.println(", ");
1024 TypeDescriptor tdelement=arraytable[i].dereference();
1025 if (tdelement.isArray()||tdelement.isClass())
1026 output.print("((unsigned int *)1)");
1032 output.println("};");
1034 output.println("int hasflags[]={");
1035 for(int i=0; i<state.numClasses(); i++) {
1036 ClassDescriptor cn=cdarray[i];
1038 output.println(", ");
1045 output.println("};");
1048 /** Print out table to give us supertypes */
1049 private void generateSuperTypeTable(PrintWriter output) {
1050 output.println("int supertypes[]={");
1051 boolean needcomma=false;
1052 for(int i=0; i<state.numClasses(); i++) {
1053 ClassDescriptor cn=cdarray[i];
1055 output.println(",");
1057 if (cn.getSuperDesc()!=null) {
1058 ClassDescriptor cdsuper=cn.getSuperDesc();
1059 output.print(cdsuper.getId());
1063 output.println("};");
1066 /** Force consistent field ordering between inherited classes. */
1068 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
1070 ClassDescriptor sp=cn.getSuperDesc();
1072 printClassStruct(sp, classdefout);
1074 if (!fieldorder.containsKey(cn)) {
1075 Vector fields=new Vector();
1076 fieldorder.put(cn,fields);
1077 if (sp==null&&!state.TASK) {
1078 fields.add(cn.getFieldTable().get("cachedCode"));
1080 Iterator fieldit=cn.getFields();
1081 while(fieldit.hasNext()) {
1082 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
1083 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
1084 (!fd.getSymbol().equals("cachedCode")||state.TASK))
1088 Vector fields=(Vector)fieldorder.get(cn);
1090 for(int i=0; i<fields.size(); i++) {
1091 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1092 if (fd.getType().isClass()||fd.getType().isArray())
1093 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1095 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1100 /* Map flags to integers consistently between inherited
1103 protected void mapFlags(ClassDescriptor cn) {
1104 ClassDescriptor sp=cn.getSuperDesc();
1108 if (!flagorder.containsKey(cn)) {
1109 Hashtable flags=new Hashtable();
1110 flagorder.put(cn,flags);
1112 Hashtable superflags=(Hashtable)flagorder.get(sp);
1113 Iterator superflagit=superflags.keySet().iterator();
1114 while(superflagit.hasNext()) {
1115 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1116 Integer number=(Integer)superflags.get(fd);
1117 flags.put(fd, number);
1118 if ((number.intValue()+1)>max)
1119 max=number.intValue()+1;
1123 Iterator flagit=cn.getFlags();
1124 while(flagit.hasNext()) {
1125 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1126 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1127 flags.put(fd, new Integer(max++));
1133 /** This function outputs (1) structures that parameters are
1134 * passed in (when PRECISE GC is enabled) and (2) function
1135 * prototypes for the methods */
1137 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1138 /* Output class structure */
1139 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1140 classdefout.println(" int type;");
1142 classdefout.println(" pthread_t tid;");
1143 classdefout.println(" void * lockentry;");
1144 classdefout.println(" int lockcount;");
1148 classdefout.println(" int flag;");
1149 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1150 classdefout.println(" void * flagptr;");
1151 } else if (state.MULTICORE) {
1152 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1153 classdefout.println(" int version;");
1154 classdefout.println(" struct ___Object___ * original;");
1155 //classdefout.println(" int numlocks;"); // array for locks
1156 classdefout.println(" int * lock;");
1158 if (state.OPTIONAL) {
1159 classdefout.println(" int numfses;");
1160 classdefout.println(" int * fses;");
1163 printClassStruct(cn, classdefout);
1164 classdefout.println("};\n");
1166 if (state.DSM||state.SINGLETM) {
1167 /* Cycle through LocalityBindings */
1168 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1169 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1171 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1172 LocalityBinding lb=lbit.next();
1173 MethodDescriptor md=lb.getMethod();
1174 if (md.getModifiers().isNative()) {
1175 //make sure we only print a native method once
1176 if (nativemethods.contains(md)) {
1177 FlatMethod fm=state.getMethodFlat(md);
1178 generateTempStructs(fm, lb);
1181 nativemethods.add(md);
1183 generateMethod(cn, md, lb, headersout, output);
1186 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1187 MethodDescriptor md=(MethodDescriptor)methodit.next();
1188 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1189 //Need to build param structure for library code
1190 FlatMethod fm=state.getMethodFlat(md);
1191 generateTempStructs(fm, null);
1192 generateMethodParam(cn, md, null, output);
1197 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1198 MethodDescriptor md=(MethodDescriptor)methodit.next();
1199 generateMethod(cn, md, null, headersout, output);
1203 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1204 /* Output parameter structure */
1205 if (GENERATEPRECISEGC) {
1206 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1207 if ((state.DSM||state.SINGLETM)&&lb!=null)
1208 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1210 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1211 output.println(" int size;");
1212 output.println(" void * next;");
1213 for(int i=0; i<objectparams.numPointers(); i++) {
1214 TempDescriptor temp=objectparams.getPointer(i);
1215 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1217 output.println("};\n");
1222 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1223 FlatMethod fm=state.getMethodFlat(md);
1224 generateTempStructs(fm, lb);
1226 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1227 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1229 generateMethodParam(cn, md, lb, output);
1231 /* Output temp structure */
1232 if (GENERATEPRECISEGC) {
1233 if (state.DSM||state.SINGLETM)
1234 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1236 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1237 output.println(" int size;");
1238 output.println(" void * next;");
1239 for(int i=0; i<objecttemps.numPointers(); i++) {
1240 TempDescriptor temp=objecttemps.getPointer(i);
1241 if (temp.getType().isNull())
1242 output.println(" void * "+temp.getSafeSymbol()+";");
1244 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1246 output.println("};\n");
1249 /********* Output method declaration ***********/
1251 /* First the return type */
1252 if (md.getReturnType()!=null) {
1253 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1254 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1256 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1258 //catch the constructor case
1259 headersout.print("void ");
1261 /* Next the method name */
1262 if (state.DSM||state.SINGLETM) {
1263 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1265 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1267 boolean printcomma=false;
1268 if (GENERATEPRECISEGC) {
1269 if (state.DSM||state.SINGLETM) {
1270 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1272 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1276 /* Output parameter list*/
1277 for(int i=0; i<objectparams.numPrimitives(); i++) {
1278 TempDescriptor temp=objectparams.getPrimitive(i);
1280 headersout.print(", ");
1282 if (temp.getType().isClass()||temp.getType().isArray())
1283 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1285 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1287 headersout.println(");\n");
1291 /** This function outputs (1) structures that parameters are
1292 * passed in (when PRECISE GC is enabled) and (2) function
1293 * prototypes for the tasks */
1295 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1296 /* Cycle through tasks */
1297 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1299 while(taskit.hasNext()) {
1300 /* Classify parameters */
1301 TaskDescriptor task=(TaskDescriptor)taskit.next();
1302 FlatMethod fm=state.getMethodFlat(task);
1303 generateTempStructs(fm, null);
1305 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1306 TempObject objecttemps=(TempObject) tempstable.get(task);
1308 /* Output parameter structure */
1309 if (GENERATEPRECISEGC) {
1310 output.println("struct "+task.getSafeSymbol()+"_params {");
1312 output.println(" int size;");
1313 output.println(" void * next;");
1314 for(int i=0; i<objectparams.numPointers(); i++) {
1315 TempDescriptor temp=objectparams.getPointer(i);
1316 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1319 output.println("};\n");
1320 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1321 maxtaskparams=objectparams.numPointers()+fm.numTags();
1325 /* Output temp structure */
1326 if (GENERATEPRECISEGC) {
1327 output.println("struct "+task.getSafeSymbol()+"_locals {");
1328 output.println(" int size;");
1329 output.println(" void * next;");
1330 for(int i=0; i<objecttemps.numPointers(); i++) {
1331 TempDescriptor temp=objecttemps.getPointer(i);
1332 if (temp.getType().isNull())
1333 output.println(" void * "+temp.getSafeSymbol()+";");
1334 else if(temp.getType().isTag())
1335 output.println(" struct "+
1336 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1338 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1340 output.println("};\n");
1343 /* Output task declaration */
1344 headersout.print("void " + task.getSafeSymbol()+"(");
1346 boolean printcomma=false;
1347 if (GENERATEPRECISEGC) {
1348 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1350 headersout.print("void * parameterarray[]");
1351 headersout.println(");\n");
1355 /***** Generate code for FlatMethod fm. *****/
1357 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1358 if (State.PRINTFLAT)
1359 System.out.println(fm.printMethod());
1360 MethodDescriptor md=fm.getMethod();
1362 TaskDescriptor task=fm.getTask();
1364 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1366 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1367 generateHeader(fm, lb, md!=null ? md : task,output);
1368 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1370 if (GENERATEPRECISEGC) {
1371 if (md!=null&&(state.DSM||state.SINGLETM))
1372 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1373 else if (md!=null&&!(state.DSM||state.SINGLETM))
1374 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1376 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1378 output.print(objecttemp.numPointers()+",");
1379 output.print(paramsprefix);
1380 for(int j=0; j<objecttemp.numPointers(); j++)
1381 output.print(", NULL");
1382 output.println("};");
1385 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1386 TempDescriptor td=objecttemp.getPrimitive(i);
1387 TypeDescriptor type=td.getType();
1389 output.println(" void * "+td.getSafeSymbol()+";");
1390 else if (type.isClass()||type.isArray())
1391 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1393 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1396 /* Assign labels to FlatNode's if necessary.*/
1398 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(fm);
1400 /* Check to see if we need to do a GC if this is a
1401 * multi-threaded program...*/
1403 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1404 if (state.DSM&&lb.isAtomic())
1405 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1407 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1410 /* Do the actual code generation */
1411 FlatNode current_node=null;
1412 HashSet tovisit=new HashSet();
1413 HashSet visited=new HashSet();
1414 tovisit.add(fm.getNext(0));
1415 while(current_node!=null||!tovisit.isEmpty()) {
1416 if (current_node==null) {
1417 current_node=(FlatNode)tovisit.iterator().next();
1418 tovisit.remove(current_node);
1419 } else if (tovisit.contains(current_node)){
1420 tovisit.remove(current_node);
1422 visited.add(current_node);
1423 if (nodetolabel.containsKey(current_node))
1424 output.println("L"+nodetolabel.get(current_node)+":");
1425 if (state.INSTRUCTIONFAILURE) {
1426 if (state.THREAD||state.DSM||state.SINGLETM) {
1427 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1429 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1431 if (current_node.numNext()==0) {
1433 generateFlatNode(fm, lb, current_node, output);
1434 if (current_node.kind()!=FKind.FlatReturnNode) {
1435 output.println(" return;");
1438 } else if(current_node.numNext()==1) {
1440 generateFlatNode(fm, lb, current_node, output);
1441 if (state.MLP && current_node.kind()==FKind.FlatSESEEnterNode) {
1442 current_node=((FlatSESEEnterNode)current_node).getFlatExit();
1444 FlatNode nextnode=current_node.getNext(0);
1445 if (visited.contains(nextnode)) {
1446 output.println("goto L"+nodetolabel.get(nextnode)+";");
1449 current_node=nextnode;
1450 } else if (current_node.numNext()==2) {
1453 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1454 if (!visited.contains(current_node.getNext(1)))
1455 tovisit.add(current_node.getNext(1));
1456 if (visited.contains(current_node.getNext(0))) {
1457 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1460 current_node=current_node.getNext(0);
1461 } else throw new Error();
1463 output.println("}\n\n");
1466 /** This method assigns labels to FlatNodes */
1468 protected Hashtable<FlatNode, Integer> assignLabels(FlatMethod fm) {
1469 HashSet tovisit=new HashSet();
1470 HashSet visited=new HashSet();
1472 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1473 tovisit.add(fm.getNext(0));
1475 /*Assign labels first. A node needs a label if the previous
1476 * node has two exits or this node is a join point. */
1478 while(!tovisit.isEmpty()) {
1479 FlatNode fn=(FlatNode)tovisit.iterator().next();
1482 for(int i=0; i<fn.numNext(); i++) {
1483 FlatNode nn=fn.getNext(i);
1485 //1) Edge >1 of node
1486 nodetolabel.put(nn,new Integer(labelindex++));
1488 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1492 nodetolabel.put(nn,new Integer(labelindex++));
1500 /** Generate text string that corresponds to the TempDescriptor td. */
1501 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1502 MethodDescriptor md=fm.getMethod();
1503 TaskDescriptor task=fm.getTask();
1504 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1505 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1506 //System.out.println("generateTemp returns " + td.getSafeSymbol());
1507 return td.getSafeSymbol();
1510 if (objecttemps.isLocalPtr(td)) {
1511 return localsprefix+"."+td.getSafeSymbol();
1514 if (objecttemps.isParamPtr(td)) {
1515 return paramsprefix+"->"+td.getSafeSymbol();
1520 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1522 case FKind.FlatAtomicEnterNode:
1523 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1526 case FKind.FlatAtomicExitNode:
1527 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1530 case FKind.FlatInstanceOfNode:
1531 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
1534 case FKind.FlatSESEEnterNode:
1535 if( state.MLP ) generateFlatSESEEnterNode(fm, lb, (FlatSESEEnterNode) fn, output);
1538 case FKind.FlatSESEExitNode:
1539 if( state.MLP ) generateFlatSESEExitNode(fm, lb, (FlatSESEExitNode) fn, output);
1542 case FKind.FlatGlobalConvNode:
1543 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1546 case FKind.FlatTagDeclaration:
1547 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1550 case FKind.FlatCall:
1551 generateFlatCall(fm, lb, (FlatCall) fn,output);
1554 case FKind.FlatFieldNode:
1555 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1558 case FKind.FlatElementNode:
1559 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1562 case FKind.FlatSetElementNode:
1563 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1566 case FKind.FlatSetFieldNode:
1567 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1571 generateFlatNew(fm, lb, (FlatNew) fn,output);
1574 case FKind.FlatOpNode:
1575 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1578 case FKind.FlatCastNode:
1579 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1582 case FKind.FlatLiteralNode:
1583 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1586 case FKind.FlatReturnNode:
1587 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1591 output.println("/* nop */");
1594 case FKind.FlatExit:
1595 output.println("/* exit */");
1598 case FKind.FlatBackEdge:
1599 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1600 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1601 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1603 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1605 output.println("/* nop */");
1608 case FKind.FlatCheckNode:
1609 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1612 case FKind.FlatFlagActionNode:
1613 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1616 case FKind.FlatPrefetchNode:
1617 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1620 case FKind.FlatOffsetNode:
1621 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
1627 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
1628 output.println("/* FlatOffsetNode */");
1629 FieldDescriptor fd=fofn.getField();
1630 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+");");
1631 output.println("/* offset */");
1634 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1635 if (state.PREFETCH) {
1636 Vector oids = new Vector();
1637 Vector fieldoffset = new Vector();
1638 Vector endoffset = new Vector();
1639 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1640 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
1641 PrefetchPair pp = (PrefetchPair) it.next();
1642 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1643 /* Find prefetches that can generate oid */
1644 if(statusbase == LocalityAnalysis.GLOBAL) {
1645 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1647 } else if (statusbase == LocalityAnalysis.LOCAL) {
1648 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1655 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
1656 output.println("{");
1657 output.println("/* prefetch */");
1658 output.println("/* prefetchid_" + fpn.siteid + " */");
1659 output.println("void * prefptr;");
1660 output.println("int tmpindex;");
1662 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1663 /*Create C code for oid array */
1664 output.print(" unsigned int oidarray_[] = {");
1665 boolean needcomma=false;
1666 for (Iterator it = oids.iterator(); it.hasNext();) {
1669 output.print(it.next());
1672 output.println("};");
1674 /*Create C code for endoffset values */
1675 output.print(" unsigned short endoffsetarry_[] = {");
1677 for (Iterator it = endoffset.iterator(); it.hasNext();) {
1680 output.print(it.next());
1683 output.println("};");
1685 /*Create C code for Field Offset Values */
1686 output.print(" short fieldarry_[] = {");
1688 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
1691 output.print(it.next());
1694 output.println("};");
1695 /* make the prefetch call to Runtime */
1696 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1697 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1698 output.println(" }");
1699 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1700 output.println(" } else {");
1701 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1702 output.println(" }");
1703 output.println("}");
1707 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1708 short offsetcount = 0;
1712 } else if (localbase) {
1713 for(; breakindex<pp.desc.size(); breakindex++) {
1714 Descriptor desc=pp.getDescAt(breakindex);
1715 if (desc instanceof FieldDescriptor) {
1716 FieldDescriptor fd=(FieldDescriptor)desc;
1717 if (fd.isGlobal()) {
1725 if (breakindex>pp.desc.size()) //all local
1728 TypeDescriptor lasttype=pp.base.getType();
1729 String basestr=generateTemp(fm, pp.base, lb);
1731 boolean maybenull=fm.getMethod().isStatic()||
1732 !pp.base.equals(fm.getParameter(0));
1734 for(int i=0; i<breakindex; i++) {
1735 String indexcheck="";
1737 Descriptor desc=pp.getDescAt(i);
1738 if (desc instanceof FieldDescriptor) {
1739 FieldDescriptor fd=(FieldDescriptor)desc;
1741 if (!teststr.equals(""))
1743 teststr+="((prefptr="+basestr+")!=NULL)";
1744 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
1746 basestr=basestr+"->"+fd.getSafeSymbol();
1749 lasttype=fd.getType();
1751 IndexDescriptor id=(IndexDescriptor)desc;
1752 indexcheck="((tmpindex=";
1753 for(int j=0; j<id.tddesc.size(); j++) {
1754 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
1756 indexcheck+=id.offset+")>=0)&&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
1758 if (!teststr.equals(""))
1760 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
1761 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
1763 lasttype=lasttype.dereference();
1768 if (teststr.equals("")) {
1769 oid="((unsigned int)"+basestr+")";
1771 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
1775 for(int i = breakindex; i < pp.desc.size(); i++) {
1776 String newfieldoffset;
1777 Object desc = pp.getDescAt(i);
1778 if(desc instanceof FieldDescriptor) {
1779 FieldDescriptor fd=(FieldDescriptor)desc;
1780 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
1781 lasttype=fd.getType();
1783 newfieldoffset = "";
1784 IndexDescriptor id=(IndexDescriptor)desc;
1785 for(int j = 0; j < id.tddesc.size(); j++) {
1786 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
1788 newfieldoffset += id.offset.toString();
1789 lasttype=lasttype.dereference();
1791 fieldoffset.add(newfieldoffset);
1794 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
1795 base+=pp.desc.size()-breakindex;
1796 endoffset.add(new Short((short)base));
1801 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1802 if (lb!=fgcn.getLocality())
1804 /* Have to generate flat globalconv */
1805 if (fgcn.getMakePtr()) {
1806 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1808 /* Need to convert to OID */
1809 if (fgcn.doConvert()) {
1810 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1812 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
1817 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
1819 if (fion.getType().isArray()) {
1820 type=state.getArrayNumber(fion.getType())+state.numClasses();
1822 type=fion.getType().getClassDesc().getId();
1825 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
1826 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
1828 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
1831 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1832 /* Check to see if we need to generate code for this atomic */
1833 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1835 /* Backup the temps. */
1836 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1837 TempDescriptor tmp=tmpit.next();
1838 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1841 output.println("goto transstart"+faen.getIdentifier()+";");
1843 /******* Print code to retry aborted transaction *******/
1844 output.println("transretry"+faen.getIdentifier()+":");
1847 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1848 TempDescriptor tmp=tmpit.next();
1849 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
1853 /********* Need to revert local object store ********/
1854 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1856 output.println("while ("+revertptr+") {");
1857 output.println("struct ___Object___ * tmpptr;");
1858 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1859 output.println("REVERT_OBJ("+revertptr+");");
1860 output.println(revertptr+"=tmpptr;");
1861 output.println("}");
1863 /******* Tell the runtime to start the transaction *******/
1865 output.println("transstart"+faen.getIdentifier()+":");
1866 output.println("transStart();");
1868 if (state.ABORTREADERS) {
1869 output.println("if (_setjmp(aborttrans)) {");
1870 output.println(" goto transretry"+faen.getIdentifier()+"; }");
1874 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1875 /* Check to see if we need to generate code for this atomic */
1876 if (locality.getAtomic(lb).get(faen).intValue()>0)
1878 //store the revert list before we lose the transaction object
1879 String revertptr=null;
1881 revertptr=generateTemp(fm, reverttable.get(lb),lb);
1882 output.println(revertptr+"=revertlist;");
1884 output.println("if (transCommit()) {");
1885 /* Transaction aborts if it returns true */
1886 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1888 output.println("} else {");
1889 /* Need to commit local object store */
1890 output.println("while ("+revertptr+") {");
1891 output.println("struct ___Object___ * tmpptr;");
1892 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1893 output.println("COMMIT_OBJ("+revertptr+");");
1894 output.println(revertptr+"=tmpptr;");
1895 output.println("}");
1897 output.println("}");
1901 public void generateSESE(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
1906 public void generateFlatSESEEnterNode(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
1908 output.println("struct sese"+faen.getPrettyIdentifier()+"in {");
1909 Iterator<TempDescriptor> itr = faen.getInVarSet().iterator();
1910 while( itr.hasNext() ) {
1911 TempDescriptor td = itr.next();
1912 output.println(" "+td+";");
1914 output.println("}");
1916 output.println("struct sese"+faen.getPrettyIdentifier()+"out {");
1917 itr = faen.getOutVarSet().iterator();
1918 while( itr.hasNext() ) {
1919 TempDescriptor td = itr.next();
1920 output.println(" "+td+";");
1922 output.println("}");
1926 public void generateFlatSESEExitNode(FlatMethod fm, LocalityBinding lb, FlatSESEExitNode faen, PrintWriter output) {
1927 //output.println("mlpNotifyExit( (struct SESE*)0 );");
1930 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
1931 if (state.CONSCHECK) {
1932 String specname=fcn.getSpec();
1933 String varname="repairstate___";
1934 output.println("{");
1935 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1937 TempDescriptor[] temps=fcn.getTemps();
1938 String[] vars=fcn.getVars();
1939 for(int i=0; i<temps.length; i++) {
1940 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
1943 output.println("if (doanalysis"+specname+"("+varname+")) {");
1944 output.println("free"+specname+"_state("+varname+");");
1945 output.println("} else {");
1946 output.println("/* Bad invariant */");
1947 output.println("free"+specname+"_state("+varname+");");
1948 output.println("abort_task();");
1949 output.println("}");
1950 output.println("}");
1954 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
1955 MethodDescriptor md=fc.getMethod();
1956 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM||state.SINGLETM ? locality.getBinding(lb, fc) : md);
1957 ClassDescriptor cn=md.getClassDesc();
1958 output.println("{");
1959 if (GENERATEPRECISEGC) {
1960 if (state.DSM||state.SINGLETM) {
1961 LocalityBinding fclb=locality.getBinding(lb, fc);
1962 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1964 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1966 output.print(objectparams.numPointers());
1967 output.print(", & "+localsprefix);
1968 if (md.getThis()!=null) {
1970 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
1972 if (fc.getThis()!=null&&md.getThis()==null) {
1973 System.out.println("WARNING!!!!!!!!!!!!");
1974 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
1978 for(int i=0; i<fc.numArgs(); i++) {
1979 Descriptor var=md.getParameter(i);
1980 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1981 if (objectparams.isParamPtr(paramtemp)) {
1982 TempDescriptor targ=fc.getArg(i);
1984 TypeDescriptor td=md.getParamType(i);
1986 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1988 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1991 output.println("};");
1996 if (fc.getReturnTemp()!=null)
1997 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
1999 /* Do we need to do virtual dispatch? */
2000 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
2002 if (state.DSM||state.SINGLETM) {
2003 LocalityBinding fclb=locality.getBinding(lb, fc);
2004 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2006 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2011 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2012 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2014 output.print(md.getReturnType().getSafeSymbol()+" ");
2015 output.print("(*)(");
2017 boolean printcomma=false;
2018 if (GENERATEPRECISEGC) {
2019 if (state.DSM||state.SINGLETM) {
2020 LocalityBinding fclb=locality.getBinding(lb, fc);
2021 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2023 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2027 for(int i=0; i<objectparams.numPrimitives(); i++) {
2028 TempDescriptor temp=objectparams.getPrimitive(i);
2032 if (temp.getType().isClass()||temp.getType().isArray())
2033 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2035 output.print(temp.getType().getSafeSymbol());
2039 if (state.DSM||state.SINGLETM) {
2040 LocalityBinding fclb=locality.getBinding(lb, fc);
2041 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
2043 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2047 boolean needcomma=false;
2048 if (GENERATEPRECISEGC) {
2049 output.print("&__parameterlist__");
2053 if (!GENERATEPRECISEGC) {
2054 if (fc.getThis()!=null) {
2055 TypeDescriptor ptd=md.getThis().getType();
2058 if (ptd.isClass()&&!ptd.isArray())
2059 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2060 output.print(generateTemp(fm,fc.getThis(),lb));
2065 for(int i=0; i<fc.numArgs(); i++) {
2066 Descriptor var=md.getParameter(i);
2067 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2068 if (objectparams.isParamPrim(paramtemp)) {
2069 TempDescriptor targ=fc.getArg(i);
2073 TypeDescriptor ptd=md.getParamType(i);
2074 if (ptd.isClass()&&!ptd.isArray())
2075 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2076 output.print(generateTemp(fm, targ,lb));
2080 output.println(");");
2081 output.println(" }");
2084 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2085 Set subclasses=typeutil.getSubClasses(thiscd);
2086 if (subclasses==null)
2088 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
2089 ClassDescriptor cd=(ClassDescriptor)classit.next();
2090 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
2091 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
2092 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2093 if (md.matches(matchmd))
2100 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
2101 if (state.SINGLETM) {
2102 //single machine transactional memory case
2103 String field=ffn.getField().getSafeSymbol();
2104 String src=generateTemp(fm, ffn.getSrc(),lb);
2105 String dst=generateTemp(fm, ffn.getDst(),lb);
2107 output.println(dst+"="+ src +"->"+field+ ";");
2108 if (ffn.getField().getType().isPtr()) {
2109 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2111 } else if (state.DSM) {
2112 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
2113 if (status==LocalityAnalysis.GLOBAL) {
2114 String field=ffn.getField().getSafeSymbol();
2115 String src=generateTemp(fm, ffn.getSrc(),lb);
2116 String dst=generateTemp(fm, ffn.getDst(),lb);
2118 if (ffn.getField().getType().isPtr()) {
2120 //TODO: Uncomment this when we have runtime support
2121 //if (ffn.getSrc()==ffn.getDst()) {
2122 //output.println("{");
2123 //output.println("void * temp="+src+";");
2124 //output.println("if (temp&0x1) {");
2125 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
2126 //output.println(src+"->"+field+"="+temp+";");
2127 //output.println("}");
2128 //output.println(dst+"=temp;");
2129 //output.println("}");
2131 output.println(dst+"="+ src +"->"+field+ ";");
2132 //output.println("if ("+dst+"&0x1) {");
2133 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2134 //output.println(src+"->"+field+"="+src+"->"+field+";");
2135 //output.println("}");
2138 output.println(dst+"="+ src+"->"+field+";");
2140 } else if (status==LocalityAnalysis.LOCAL) {
2141 if (ffn.getField().getType().isPtr()&&
2142 ffn.getField().isGlobal()) {
2143 String field=ffn.getField().getSafeSymbol();
2144 String src=generateTemp(fm, ffn.getSrc(),lb);
2145 String dst=generateTemp(fm, ffn.getDst(),lb);
2146 output.println(dst+"="+ src +"->"+field+ ";");
2147 if (locality.getAtomic(lb).get(ffn).intValue()>0)
2148 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2150 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2151 } else if (status==LocalityAnalysis.EITHER) {
2152 //Code is reading from a null pointer
2153 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
2154 output.println("#ifndef RAW");
2155 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2156 output.println("#endif");
2157 //This should throw a suitable null pointer error
2158 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2160 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2162 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2166 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
2167 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2168 throw new Error("Can't set array length");
2169 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2170 //Single Machine Transaction Case
2171 boolean srcptr=fsfn.getSrc().getType().isPtr();
2172 String src=generateTemp(fm,fsfn.getSrc(),lb);
2173 String dst=generateTemp(fm,fsfn.getDst(),lb);
2175 output.println("{");
2176 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2178 if (wb.needBarrier(fsfn))
2179 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
2181 output.println("*((unsigned int *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2182 output.println("}");
2184 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2186 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2187 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
2188 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
2189 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2191 String src=generateTemp(fm,fsfn.getSrc(),lb);
2192 String dst=generateTemp(fm,fsfn.getDst(),lb);
2194 output.println("{");
2195 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2197 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2200 if (wb.needBarrier(fsfn))
2201 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2203 output.println("*((unsigned int *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2205 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2206 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2207 /** Check if we need to copy */
2208 output.println("if(!"+dst+"->"+localcopystr+") {");
2209 /* Link object into list */
2210 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2211 output.println(revertptr+"=revertlist;");
2212 if (GENERATEPRECISEGC)
2213 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2215 output.println("COPY_OBJ("+dst+");");
2216 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2217 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2218 output.println("}");
2220 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2222 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2223 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2224 //writing to a null...bad
2225 output.println("if ("+dst+") {");
2226 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2228 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2230 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2233 output.println("}");
2236 if (state.FASTCHECK) {
2237 String dst=generateTemp(fm, fsfn.getDst(),lb);
2238 output.println("if(!"+dst+"->"+localcopystr+") {");
2239 /* Link object into list */
2240 if (GENERATEPRECISEGC)
2241 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2243 output.println("COPY_OBJ("+dst+");");
2244 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2245 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2246 output.println("}");
2248 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2252 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2253 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2256 if (elementtype.isArray()||elementtype.isClass())
2259 type=elementtype.getSafeSymbol()+" ";
2261 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2262 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2263 output.println("failedboundschk();");
2265 if (state.SINGLETM) {
2266 //Single machine transaction case
2267 String dst=generateTemp(fm, fen.getDst(),lb);
2269 if (elementtype.isPtr()) {
2270 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2271 output.println("TRANSREAD("+dst+", "+dst+");");
2273 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2275 } else if (state.DSM) {
2276 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2277 if (status==LocalityAnalysis.GLOBAL) {
2278 String dst=generateTemp(fm, fen.getDst(),lb);
2280 if (elementtype.isPtr()) {
2281 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2282 output.println("TRANSREAD("+dst+", "+dst+");");
2284 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2286 } else if (status==LocalityAnalysis.LOCAL) {
2287 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2288 } else if (status==LocalityAnalysis.EITHER) {
2289 //Code is reading from a null pointer
2290 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2291 output.println("#ifndef RAW");
2292 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2293 output.println("#endif");
2294 //This should throw a suitable null pointer error
2295 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2297 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2299 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2303 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2304 //TODO: need dynamic check to make sure this assignment is actually legal
2305 //Because Object[] could actually be something more specific...ie. Integer[]
2307 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2310 if (elementtype.isArray()||elementtype.isClass())
2313 type=elementtype.getSafeSymbol()+" ";
2315 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2316 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2317 output.println("failedboundschk();");
2320 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2321 //Transaction set element case
2322 if (wb.needBarrier(fsen))
2323 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
2324 if (fsen.getSrc().getType().isPtr()) {
2325 output.println("{");
2326 String src=generateTemp(fm, fsen.getSrc(), lb);
2327 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2328 output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2329 output.println("}");
2331 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2333 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2334 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2335 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2336 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2337 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2338 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2341 if (wb.needBarrier(fsen))
2342 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2343 } else if (dstlocal) {
2344 /** Check if we need to copy */
2345 String dst=generateTemp(fm, fsen.getDst(),lb);
2346 output.println("if(!"+dst+"->"+localcopystr+") {");
2347 /* Link object into list */
2348 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2349 output.println(revertptr+"=revertlist;");
2350 if (GENERATEPRECISEGC)
2351 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2353 output.println("COPY_OBJ("+dst+");");
2354 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2355 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2356 output.println("}");
2357 } else throw new Error("Unknown array type");
2359 output.println("{");
2360 String src=generateTemp(fm, fsen.getSrc(), lb);
2361 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2362 output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2363 output.println("}");
2365 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2368 if (state.FASTCHECK) {
2369 String dst=generateTemp(fm, fsen.getDst(),lb);
2370 output.println("if(!"+dst+"->"+localcopystr+") {");
2371 /* Link object into list */
2372 if (GENERATEPRECISEGC)
2373 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2375 output.println("COPY_OBJ("+dst+");");
2376 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2377 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2378 output.println("}");
2380 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2384 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2385 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2386 //Stash pointer in case of GC
2387 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2388 output.println(revertptr+"=revertlist;");
2390 if (state.SINGLETM) {
2391 if (fn.getType().isArray()) {
2392 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2393 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2394 //inside transaction
2395 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2397 //outside transaction
2398 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2401 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2402 //inside transaction
2403 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2405 //outside transaction
2406 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2409 } else if (fn.getType().isArray()) {
2410 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2411 if (fn.isGlobal()) {
2412 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2413 } else if (GENERATEPRECISEGC) {
2414 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2416 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2419 if (fn.isGlobal()) {
2420 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
2421 } else if (GENERATEPRECISEGC) {
2422 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2424 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2427 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2428 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2429 String dst=generateTemp(fm,fn.getDst(),lb);
2430 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2431 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2432 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2434 if (state.FASTCHECK) {
2435 String dst=generateTemp(fm,fn.getDst(),lb);
2436 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2437 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2438 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2442 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2443 if (GENERATEPRECISEGC) {
2444 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2446 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2450 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2451 if (fon.getRight()!=null) {
2452 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2453 if (fon.getLeft().getType().isLong())
2454 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2456 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2459 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2460 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2461 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2462 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2463 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2464 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2465 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2466 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2467 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2468 else if (fon.getOp().getOp()==Operation.COMP)
2469 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2470 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2471 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2473 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2476 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2477 /* TODO: Do type check here */
2478 if (fcn.getType().isArray()) {
2480 } else if (fcn.getType().isClass())
2481 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2483 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2486 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2487 if (fln.getValue()==null)
2488 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2489 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2490 if (GENERATEPRECISEGC) {
2491 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2492 //Stash pointer in case of GC
2493 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2494 output.println(revertptr+"=revertlist;");
2496 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2497 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2498 //Stash pointer in case of GC
2499 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2500 output.println("revertlist="+revertptr+";");
2503 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2505 } else if (fln.getType().isBoolean()) {
2506 if (((Boolean)fln.getValue()).booleanValue())
2507 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2509 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2510 } else if (fln.getType().isChar()) {
2511 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2512 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2513 } else if (fln.getType().isLong()) {
2514 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2516 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2519 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2520 if (frn.getReturnTemp()!=null) {
2521 if (frn.getReturnTemp().getType().isPtr())
2522 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2524 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2526 output.println("return;");
2530 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2531 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2534 /** This method generates header information for the method or
2535 * task referenced by the Descriptor des. */
2537 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2539 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2540 MethodDescriptor md=null;
2541 TaskDescriptor task=null;
2542 if (des instanceof MethodDescriptor)
2543 md=(MethodDescriptor) des;
2545 task=(TaskDescriptor) des;
2547 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2549 if (md!=null&&md.getReturnType()!=null) {
2550 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2551 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2553 output.print(md.getReturnType().getSafeSymbol()+" ");
2555 //catch the constructor case
2556 output.print("void ");
2558 if (state.DSM||state.SINGLETM) {
2559 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2561 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2563 output.print(task.getSafeSymbol()+"(");
2565 boolean printcomma=false;
2566 if (GENERATEPRECISEGC) {
2568 if (state.DSM||state.SINGLETM) {
2569 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2571 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2573 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2579 for(int i=0; i<objectparams.numPrimitives(); i++) {
2580 TempDescriptor temp=objectparams.getPrimitive(i);
2584 if (temp.getType().isClass()||temp.getType().isArray())
2585 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2587 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2589 output.println(") {");
2590 } else if (!GENERATEPRECISEGC) {
2591 /* Imprecise Task */
2592 output.println("void * parameterarray[]) {");
2593 /* Unpack variables */
2594 for(int i=0; i<objectparams.numPrimitives(); i++) {
2595 TempDescriptor temp=objectparams.getPrimitive(i);
2596 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2598 for(int i=0; i<fm.numTags(); i++) {
2599 TempDescriptor temp=fm.getTag(i);
2600 int offset=i+objectparams.numPrimitives();
2601 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2604 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2605 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2606 } else output.println(") {");
2609 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2610 output.println("/* FlatFlagActionNode */");
2613 /* Process tag changes */
2614 Relation tagsettable=new Relation();
2615 Relation tagcleartable=new Relation();
2617 Iterator tagsit=ffan.getTempTagPairs();
2618 while (tagsit.hasNext()) {
2619 TempTagPair ttp=(TempTagPair) tagsit.next();
2620 TempDescriptor objtmp=ttp.getTemp();
2621 TagDescriptor tag=ttp.getTag();
2622 TempDescriptor tagtmp=ttp.getTagTemp();
2623 boolean tagstatus=ffan.getTagChange(ttp);
2625 tagsettable.put(objtmp, tagtmp);
2627 tagcleartable.put(objtmp, tagtmp);
2632 Hashtable flagandtable=new Hashtable();
2633 Hashtable flagortable=new Hashtable();
2635 /* Process flag changes */
2636 Iterator flagsit=ffan.getTempFlagPairs();
2637 while(flagsit.hasNext()) {
2638 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2639 TempDescriptor temp=tfp.getTemp();
2640 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2641 FlagDescriptor flag=tfp.getFlag();
2643 //Newly allocate objects that don't set any flags case
2644 if (flagortable.containsKey(temp)) {
2648 flagortable.put(temp,new Integer(mask));
2650 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2651 boolean flagstatus=ffan.getFlagChange(tfp);
2654 if (flagortable.containsKey(temp)) {
2655 mask=((Integer)flagortable.get(temp)).intValue();
2658 flagortable.put(temp,new Integer(mask));
2660 int mask=0xFFFFFFFF;
2661 if (flagandtable.containsKey(temp)) {
2662 mask=((Integer)flagandtable.get(temp)).intValue();
2664 mask&=(0xFFFFFFFF^flagid);
2665 flagandtable.put(temp,new Integer(mask));
2671 HashSet flagtagset=new HashSet();
2672 flagtagset.addAll(flagortable.keySet());
2673 flagtagset.addAll(flagandtable.keySet());
2674 flagtagset.addAll(tagsettable.keySet());
2675 flagtagset.addAll(tagcleartable.keySet());
2677 Iterator ftit=flagtagset.iterator();
2678 while(ftit.hasNext()) {
2679 TempDescriptor temp=(TempDescriptor)ftit.next();
2682 Set tagtmps=tagcleartable.get(temp);
2683 if (tagtmps!=null) {
2684 Iterator tagit=tagtmps.iterator();
2685 while(tagit.hasNext()) {
2686 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2687 if (GENERATEPRECISEGC)
2688 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2690 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2694 tagtmps=tagsettable.get(temp);
2695 if (tagtmps!=null) {
2696 Iterator tagit=tagtmps.iterator();
2697 while(tagit.hasNext()) {
2698 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2699 if (GENERATEPRECISEGC)
2700 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2702 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2707 int andmask=0xFFFFFFF;
2709 if (flagortable.containsKey(temp))
2710 ormask=((Integer)flagortable.get(temp)).intValue();
2711 if (flagandtable.containsKey(temp))
2712 andmask=((Integer)flagandtable.get(temp)).intValue();
2713 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2714 generateObjectDistribute(ffan, fm, lb, temp, output);
2718 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2719 PrintWriter output, int ormask, int andmask) {
2720 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2721 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2723 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2727 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2728 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
2731 void generateOptionalHeader(PrintWriter headers) {
2734 headers.println("#include \"task.h\"\n\n");
2735 headers.println("#ifndef _OPTIONAL_STRUCT_");
2736 headers.println("#define _OPTIONAL_STRUCT_");
2738 //STRUCT PREDICATEMEMBER
2739 headers.println("struct predicatemember{");
2740 headers.println("int type;");
2741 headers.println("int numdnfterms;");
2742 headers.println("int * flags;");
2743 headers.println("int numtags;");
2744 headers.println("int * tags;\n};\n\n");
2746 //STRUCT OPTIONALTASKDESCRIPTOR
2747 headers.println("struct optionaltaskdescriptor{");
2748 headers.println("struct taskdescriptor * task;");
2749 headers.println("int index;");
2750 headers.println("int numenterflags;");
2751 headers.println("int * enterflags;");
2752 headers.println("int numpredicatemembers;");
2753 headers.println("struct predicatemember ** predicatememberarray;");
2754 headers.println("};\n\n");
2756 //STRUCT TASKFAILURE
2757 headers.println("struct taskfailure {");
2758 headers.println("struct taskdescriptor * task;");
2759 headers.println("int index;");
2760 headers.println("int numoptionaltaskdescriptors;");
2761 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2763 //STRUCT FSANALYSISWRAPPER
2764 headers.println("struct fsanalysiswrapper{");
2765 headers.println("int flags;");
2766 headers.println("int numtags;");
2767 headers.println("int * tags;");
2768 headers.println("int numtaskfailures;");
2769 headers.println("struct taskfailure ** taskfailurearray;");
2770 headers.println("int numoptionaltaskdescriptors;");
2771 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2773 //STRUCT CLASSANALYSISWRAPPER
2774 headers.println("struct classanalysiswrapper{");
2775 headers.println("int type;");
2776 headers.println("int numotd;");
2777 headers.println("struct optionaltaskdescriptor ** otdarray;");
2778 headers.println("int numfsanalysiswrappers;");
2779 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2781 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2783 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2784 while(taskit.hasNext()) {
2785 TaskDescriptor td=(TaskDescriptor)taskit.next();
2786 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2791 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2792 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2793 int predicateindex = 0;
2794 //iterate through the classes concerned by the predicate
2795 Set c_vard = predicate.vardescriptors;
2796 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2799 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
2800 VarDescriptor vard = (VarDescriptor)vard_it.next();
2801 TypeDescriptor typed = vard.getType();
2803 //generate for flags
2804 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2805 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2807 if (fen_hashset!=null) {
2808 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
2809 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2811 DNFFlag dflag=fen.getDNF();
2812 numberterms+=dflag.size();
2814 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2816 for(int j=0; j<dflag.size(); j++) {
2818 output.println(",");
2819 Vector term=dflag.get(j);
2822 for(int k=0; k<term.size(); k++) {
2823 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2824 FlagDescriptor fd=dfa.getFlag();
2825 boolean negated=dfa.getNegated();
2826 int flagid=1<<((Integer)flags.get(fd)).intValue();
2831 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2836 output.println("};\n");
2839 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2840 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2843 for(int j=0; j<tagel.numTags(); j++) {
2845 output.println(",");
2846 TempDescriptor tmp=tagel.getTemp(j);
2847 if (!slotnumber.containsKey(tmp)) {
2848 Integer slotint=new Integer(current_slot++);
2849 slotnumber.put(tmp,slotint);
2851 int slot=slotnumber.get(tmp).intValue();
2852 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2854 numtags = tagel.numTags();
2856 output.println("};");
2858 //store the result into a predicatemember struct
2859 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2860 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2861 output.println("/* number of dnf terms */"+numberterms+",");
2862 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2863 output.println("/* number of tag */"+numtags+",");
2864 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2865 output.println("};\n");
2870 //generate an array that stores the entire predicate
2871 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2872 for( int j = 0; j<predicateindex; j++) {
2873 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2874 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2876 output.println("};\n");
2877 return predicateindex;
2881 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2882 generateOptionalHeader(headers);
2884 output.println("#include \"optionalstruct.h\"\n\n");
2885 output.println("#include \"stdlib.h\"\n");
2887 HashSet processedcd = new HashSet();
2889 Enumeration e = safeexecution.keys();
2890 while (e.hasMoreElements()) {
2893 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2894 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
2896 //Generate the struct of optionals
2897 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2898 numotd = c_otd.size();
2899 if(maxotd<numotd) maxotd = numotd;
2900 if( !c_otd.isEmpty() ) {
2901 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2902 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2904 //generate the int arrays for the predicate
2905 Predicate predicate = otd.predicate;
2906 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
2907 TreeSet<Integer> fsset=new TreeSet<Integer>();
2908 //iterate through possible FSes corresponding to
2909 //the state when entering
2911 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
2912 FlagState fs = (FlagState)fses.next();
2914 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
2915 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2916 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2919 fsset.add(new Integer(flagid));
2920 //tag information not needed because tag
2921 //changes are not tolerated.
2924 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2925 boolean needcomma=false;
2926 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
2929 output.println(it.next());
2932 output.println("};\n");
2935 //generate optionaltaskdescriptor that actually
2936 //includes exit fses, predicate and the task
2938 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2939 output.println("&task_"+otd.td.getSafeSymbol()+",");
2940 output.println("/*index*/"+otd.getIndex()+",");
2941 output.println("/*number of enter flags*/"+fsset.size()+",");
2942 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2943 output.println("/*number of members */"+predicateindex+",");
2944 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2945 output.println("};\n");
2949 // if there are no optionals, there is no need to build the rest of the struct
2951 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
2952 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2953 if( !c_otd.isEmpty() ) {
2954 boolean needcomma=false;
2955 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2956 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2958 output.println(",");
2960 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2963 output.println("};\n");
2965 //get all the possible flagstates reachable by an object
2966 Hashtable hashtbtemp = safeexecution.get(cdtemp);
2968 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
2969 fsts.addAll(hashtbtemp.keySet());
2970 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
2971 FlagState fs = (FlagState)fsit.next();
2974 //get the set of OptionalTaskDescriptors corresponding
2975 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
2976 //iterate through the OptionalTaskDescriptors and
2977 //store the pointers to the optionals struct (see on
2978 //top) into an array
2980 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
2981 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
2982 OptionalTaskDescriptor mm = mos.next();
2984 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
2986 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2989 output.println("};\n");
2991 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
2994 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
2995 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2996 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3000 //process tag information
3003 boolean first = true;
3004 Enumeration tag_enum = fs.getTags();
3005 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3006 while(tag_enum.hasMoreElements()) {
3008 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3012 output.println(", ");
3013 output.println("/*tagid*/"+state.getTagId(tagd));
3015 output.println("};");
3017 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3018 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3019 TaskIndex ti=itti.next();
3023 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3025 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3026 boolean needcomma=false;
3027 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
3028 OptionalTaskDescriptor otd=otdit.next();
3032 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3034 output.println("};");
3036 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3037 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3038 output.print(ti.getIndex()+", ");
3039 output.print(otdset.size()+", ");
3040 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3041 output.println("};");
3044 tiset=sa.getTaskIndex(fs);
3045 boolean needcomma=false;
3047 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3048 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3049 TaskIndex ti=itti.next();
3050 if (ti.isRuntime()) {
3057 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3059 output.println("};\n");
3061 //Store the result in fsanalysiswrapper
3063 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3064 output.println("/*flag*/"+flagid+",");
3065 output.println("/* number of tags*/"+tagcounter+",");
3066 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3067 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3068 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3069 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3070 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3071 output.println("};\n");
3075 //Build the array of fsanalysiswrappers
3076 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3077 boolean needcomma=false;
3078 for(int i = 0; i<fscounter; i++) {
3079 if (needcomma) output.print(",");
3080 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3083 output.println("};");
3085 //Build the classanalysiswrapper referring to the previous array
3086 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3087 output.println("/*type*/"+cdtemp.getId()+",");
3088 output.println("/*numotd*/"+numotd+",");
3089 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3090 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3091 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3092 processedcd.add(cdtemp);
3095 //build an array containing every classes for which code has been build
3096 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3097 for(int i=0; i<state.numClasses(); i++) {
3098 ClassDescriptor cn=cdarray[i];
3101 if (processedcd.contains(cn))
3102 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3104 output.print("NULL");
3106 output.println("};");
3108 output.println("#define MAXOTD "+maxotd);
3109 headers.println("#endif");
3112 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3113 Relation r=new Relation();
3114 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
3115 OptionalTaskDescriptor otd=otdit.next();
3116 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3120 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3121 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
3122 Set s=r.get(it.next());
3123 for(Iterator it2=s.iterator(); it2.hasNext();) {
3124 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3132 protected void outputTransCode(PrintWriter output) {