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;
41 public boolean MLP=false;
44 protected int maxtaskparams=0;
45 private int maxcount=0;
46 ClassDescriptor[] cdarray;
47 TypeDescriptor[] arraytable;
48 LocalityAnalysis locality;
49 Hashtable<LocalityBinding, TempDescriptor> reverttable;
50 Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>> backuptable;
55 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
56 this(st, temptovar, typeutil, null, sa, pa);
59 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
60 this(st, temptovar, typeutil, locality, null, pa);
63 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa) {
68 oidstr="___objlocation___";
69 this.temptovar=temptovar;
70 paramstable=new Hashtable();
71 tempstable=new Hashtable();
72 fieldorder=new Hashtable();
73 flagorder=new Hashtable();
74 this.typeutil=typeutil;
75 virtualcalls=new Virtual(state,locality);
77 this.locality=locality;
78 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
79 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
80 this.wb=new WriteBarrier(locality, st);
86 /** The buildCode method outputs C code for all the methods. The Flat
87 * versions of the methods must already be generated and stored in
88 * the State object. */
90 public void buildCode() {
91 /* Create output streams to write to */
92 PrintWriter outclassdefs=null;
93 PrintWriter outstructs=null;
94 PrintWriter outrepairstructs=null;
95 PrintWriter outmethodheader=null;
96 PrintWriter outmethod=null;
97 PrintWriter outvirtual=null;
98 PrintWriter outtask=null;
99 PrintWriter outtaskdefs=null;
100 PrintWriter outoptionalarrays=null;
101 PrintWriter optionalheaders=null;
104 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
105 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
106 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
107 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
108 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
110 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
111 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
112 if (state.OPTIONAL) {
113 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
114 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
117 if (state.structfile!=null) {
118 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
120 } catch (Exception e) {
125 /* Build the virtual dispatch tables */
126 buildVirtualTables(outvirtual);
128 /* Output includes */
129 outmethodheader.println("#ifndef METHODHEADERS_H");
130 outmethodheader.println("#define METHODHEADERS_H");
131 outmethodheader.println("#include \"structdefs.h\"");
133 outmethodheader.println("#include \"dstm.h\"");
135 outmethodheader.println("#include \"tm.h\"");
136 if (state.ABORTREADERS) {
137 outmethodheader.println("#include \"abortreaders.h\"");
138 outmethodheader.println("#include <setjmp.h>");
141 /* Output Structures */
142 outputStructs(outstructs);
144 // Output the C class declarations
145 // These could mutually reference each other
146 outputClassDeclarations(outclassdefs);
148 // Output function prototypes and structures for parameters
149 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
150 while(it.hasNext()) {
151 ClassDescriptor cn=(ClassDescriptor)it.next();
152 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
154 outclassdefs.close();
157 /* Map flags to integers */
158 /* The runtime keeps track of flags using these integers */
159 it=state.getClassSymbolTable().getDescriptorsIterator();
160 while(it.hasNext()) {
161 ClassDescriptor cn=(ClassDescriptor)it.next();
165 generateTaskStructs(outstructs, outmethodheader);
167 /* Outputs generic task structures if this is a task
169 outputTaskTypes(outtask);
172 /* Build the actual methods */
173 outputMethods(outmethod);
176 /* Output code for tasks */
177 outputTaskCode(outtaskdefs, outmethod);
179 /* Record maximum number of task parameters */
180 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
181 } else if (state.main!=null) {
182 /* Generate main method */
183 outputMainMethod(outmethod);
186 /* Generate information for task with optional parameters */
187 if (state.TASK&&state.OPTIONAL) {
188 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
189 outoptionalarrays.close();
192 /* Output structure definitions for repair tool */
193 if (state.structfile!=null) {
194 buildRepairStructs(outrepairstructs);
195 outrepairstructs.close();
199 outmethodheader.println("#endif");
200 outmethodheader.close();
202 outstructs.println("#endif");
207 /* This code just generates the main C method for java programs.
208 * The main C method packs up the arguments into a string array
209 * and passes it to the java main method. */
211 private void outputMainMethod(PrintWriter outmethod) {
212 outmethod.println("int main(int argc, const char *argv[]) {");
213 outmethod.println(" int i;");
214 outmethod.println("#ifdef TRANSSTATS \n");
215 outmethod.println("handle();\n");
216 outmethod.println("#endif\n");
217 if (state.THREAD||state.DSM||state.SINGLETM) {
218 outmethod.println("initializethreads();");
221 outmethod.println("if (dstmStartup(argv[1])) {");
222 if (GENERATEPRECISEGC) {
223 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
225 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
228 if (GENERATEPRECISEGC) {
229 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
231 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
235 outmethod.println(" for(i=2;i<argc;i++) {");
237 outmethod.println(" for(i=1;i<argc;i++) {");
238 outmethod.println(" int length=strlen(argv[i]);");
239 if (GENERATEPRECISEGC) {
240 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
242 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
245 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
247 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
248 outmethod.println(" }");
251 MethodDescriptor md=typeutil.getMain();
252 ClassDescriptor cd=typeutil.getMainClass();
254 outmethod.println(" {");
255 if (GENERATEPRECISEGC) {
256 if (state.DSM||state.SINGLETM) {
257 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
259 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
260 outmethod.println("1, NULL,"+"stringarray};");
261 if (state.DSM||state.SINGLETM)
262 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
264 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
266 if (state.DSM||state.SINGLETM)
267 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
269 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
271 outmethod.println(" }");
274 outmethod.println("}");
277 if (state.THREAD||state.DSM||state.SINGLETM) {
278 outmethod.println("pthread_mutex_lock(&gclistlock);");
279 outmethod.println("threadcount--;");
280 outmethod.println("pthread_cond_signal(&gccond);");
281 outmethod.println("pthread_mutex_unlock(&gclistlock);");
282 if (state.THREAD||state.SINGLETM)
283 outmethod.println("pthread_exit(NULL);");
286 if (state.DSM||state.SINGLETM) {
287 outmethod.println("#ifdef TRANSSTATS \n");
288 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
289 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
290 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
291 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
292 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
293 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
294 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
295 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
296 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
297 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
298 outmethod.println("#endif\n");
300 outmethod.println("}");
304 /* This method outputs code for each task. */
306 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
307 /* Compile task based program */
308 outtaskdefs.println("#include \"task.h\"");
309 outtaskdefs.println("#include \"methodheaders.h\"");
310 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
311 while(taskit.hasNext()) {
312 TaskDescriptor td=(TaskDescriptor)taskit.next();
313 FlatMethod fm=state.getMethodFlat(td);
314 generateFlatMethod(fm, null, outmethod);
315 generateTaskDescriptor(outtaskdefs, fm, td);
318 //Output task descriptors
319 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
320 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
322 while(taskit.hasNext()) {
323 TaskDescriptor td=(TaskDescriptor)taskit.next();
327 outtaskdefs.println(",");
328 outtaskdefs.print("&task_"+td.getSafeSymbol());
330 outtaskdefs.println("};");
332 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
335 /* This method outputs most of the methods.c file. This includes
336 * some standard includes and then an array with the sizes of
337 * objets and array that stores supertype and then the code for
338 * the Java methods.. */
340 protected void outputMethods(PrintWriter outmethod) {
341 outmethod.println("#include \"methodheaders.h\"");
342 outmethod.println("#include \"virtualtable.h\"");
343 outmethod.println("#include \"runtime.h\"");
345 outmethod.println("#include \"addPrefetchEnhance.h\"");
346 outmethod.println("#include \"localobjects.h\"");
348 if (state.FASTCHECK) {
349 outmethod.println("#include \"localobjects.h\"");
351 if(state.MULTICORE) {
352 outmethod.println("#include \"task.h\"");
354 if (state.THREAD||state.DSM||state.SINGLETM)
355 outmethod.println("#include <thread.h>");
356 if (state.main!=null) {
357 outmethod.println("#include <string.h>");
359 if (state.CONSCHECK) {
360 outmethod.println("#include \"checkers.h\"");
363 outmethod.println("#include \"mlp_runtime.h\"");
366 //Store the sizes of classes & array elements
367 generateSizeArray(outmethod);
369 //Store table of supertypes
370 generateSuperTypeTable(outmethod);
372 //Store the layout of classes
373 generateLayoutStructs(outmethod);
375 /* Generate code for methods */
376 if (state.DSM||state.SINGLETM) {
377 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
378 LocalityBinding lb=lbit.next();
379 MethodDescriptor md=lb.getMethod();
380 FlatMethod fm=state.getMethodFlat(md);
382 if (!md.getModifiers().isNative()) {
383 generateFlatMethod(fm, lb, outmethod);
387 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
388 while(classit.hasNext()) {
389 ClassDescriptor cn=(ClassDescriptor)classit.next();
390 Iterator methodit=cn.getMethods();
391 while(methodit.hasNext()) {
392 /* Classify parameters */
393 MethodDescriptor md=(MethodDescriptor)methodit.next();
394 FlatMethod fm=state.getMethodFlat(md);
395 if (!md.getModifiers().isNative()) {
396 generateFlatMethod(fm, null, outmethod);
403 protected void outputStructs(PrintWriter outstructs) {
404 outstructs.println("#ifndef STRUCTDEFS_H");
405 outstructs.println("#define STRUCTDEFS_H");
406 outstructs.println("#include \"classdefs.h\"");
408 /* Output #defines that the runtime uses to determine type
409 * numbers for various objects it needs */
410 outstructs.println("#define MAXCOUNT "+maxcount);
411 if (state.DSM||state.SINGLETM) {
412 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
414 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
415 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
418 outstructs.println("#define STRINGARRAYTYPE "+
419 (state.getArrayNumber(
420 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
422 outstructs.println("#define OBJECTARRAYTYPE "+
423 (state.getArrayNumber(
424 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
427 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
428 outstructs.println("#define CHARARRAYTYPE "+
429 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
431 outstructs.println("#define BYTEARRAYTYPE "+
432 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
434 outstructs.println("#define BYTEARRAYARRAYTYPE "+
435 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
437 outstructs.println("#define NUMCLASSES "+state.numClasses());
439 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
440 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
441 outstructs.println("#define TAGARRAYTYPE "+
442 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
446 protected void outputClassDeclarations(PrintWriter outclassdefs) {
447 if (state.THREAD||state.DSM||state.SINGLETM)
448 outclassdefs.println("#include <pthread.h>");
450 outclassdefs.println("#include \"optionalstruct.h\"");
451 outclassdefs.println("struct "+arraytype+";");
452 /* Start by declaring all structs */
453 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
454 while(it.hasNext()) {
455 ClassDescriptor cn=(ClassDescriptor)it.next();
456 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
458 outclassdefs.println("");
459 //Print out definition for array type
460 outclassdefs.println("struct "+arraytype+" {");
461 outclassdefs.println(" int type;");
463 outclassdefs.println(" pthread_t tid;");
464 outclassdefs.println(" void * lockentry;");
465 outclassdefs.println(" int lockcount;");
468 outclassdefs.println(" int flag;");
469 if(!state.MULTICORE) {
470 outclassdefs.println(" void * flagptr;");
472 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
473 outclassdefs.println(" int version;");
474 outclassdefs.println(" struct ___Object___ * original;");
475 //outclassdefs.println(" int numlocks;"); // array for locks
476 outclassdefs.println(" int * lock;");
479 outclassdefs.println(" int numfses;");
480 outclassdefs.println(" int * fses;");
483 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
485 outclassdefs.println(" int ___length___;");
486 outclassdefs.println("};\n");
487 outclassdefs.println("extern int classsize[];");
488 outclassdefs.println("extern int hasflags[];");
489 outclassdefs.println("extern unsigned int * pointerarray[];");
490 outclassdefs.println("extern int supertypes[];");
493 /** Prints out definitions for generic task structures */
495 private void outputTaskTypes(PrintWriter outtask) {
496 outtask.println("#ifndef _TASK_H");
497 outtask.println("#define _TASK_H");
498 outtask.println("struct parameterdescriptor {");
499 outtask.println("int type;");
500 outtask.println("int numberterms;");
501 outtask.println("int *intarray;");
502 outtask.println("void * queue;");
503 outtask.println("int numbertags;");
504 outtask.println("int *tagarray;");
505 outtask.println("};");
507 outtask.println("struct taskdescriptor {");
508 outtask.println("void * taskptr;");
509 outtask.println("int numParameters;");
510 outtask.println(" int numTotal;");
511 outtask.println("struct parameterdescriptor **descriptorarray;");
512 outtask.println("char * name;");
513 outtask.println("};");
514 outtask.println("extern struct taskdescriptor * taskarray[];");
515 outtask.println("extern numtasks;");
516 outtask.println("#endif");
520 private void buildRepairStructs(PrintWriter outrepairstructs) {
521 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
522 while(classit.hasNext()) {
523 ClassDescriptor cn=(ClassDescriptor)classit.next();
524 outrepairstructs.println("structure "+cn.getSymbol()+" {");
525 outrepairstructs.println(" int __type__;");
527 outrepairstructs.println(" int __flag__;");
528 if(!state.MULTICORE) {
529 outrepairstructs.println(" int __flagptr__;");
532 printRepairStruct(cn, outrepairstructs);
533 outrepairstructs.println("}\n");
536 for(int i=0; i<state.numArrays(); i++) {
537 TypeDescriptor tdarray=arraytable[i];
538 TypeDescriptor tdelement=tdarray.dereference();
539 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
540 outrepairstructs.println(" int __type__;");
541 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
542 outrepairstructs.println(" int length;");
544 // Need to add support to repair tool for this
545 if (tdelement.isClass()||tdelement.isArray())
546 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
548 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
550 outrepairstructs.println("}\n");
554 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
555 ClassDescriptor sp=cn.getSuperDesc();
557 printRepairStruct(sp, output);
559 Vector fields=(Vector)fieldorder.get(cn);
561 for(int i=0; i<fields.size(); i++) {
562 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
563 if (fd.getType().isArray()) {
564 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
565 } else if (fd.getType().isClass())
566 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
567 else if (fd.getType().isFloat())
568 output.println(" int "+fd.getSymbol()+"; /* really float */");
570 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
574 /** This method outputs TaskDescriptor information */
575 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
576 for (int i=0; i<task.numParameters(); i++) {
577 VarDescriptor param_var=task.getParameter(i);
578 TypeDescriptor param_type=task.getParamType(i);
579 FlagExpressionNode param_flag=task.getFlag(param_var);
580 TagExpressionList param_tag=task.getTag(param_var);
583 if (param_flag==null) {
584 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
585 output.println("0x0, 0x0 };");
588 DNFFlag dflag=param_flag.getDNF();
589 dnfterms=dflag.size();
591 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
592 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
593 for(int j=0; j<dflag.size(); j++) {
596 Vector term=dflag.get(j);
599 for(int k=0; k<term.size(); k++) {
600 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
601 FlagDescriptor fd=dfa.getFlag();
602 boolean negated=dfa.getNegated();
603 int flagid=1<<((Integer)flags.get(fd)).intValue();
608 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
610 output.println("};");
613 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
614 //BUG...added next line to fix, test with any task program
616 for(int j=0; j<param_tag.numTags(); j++) {
619 /* for each tag we need */
620 /* which slot it is */
621 /* what type it is */
622 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
623 TempDescriptor tmp=param_tag.getTemp(j);
624 int slot=fm.getTagInt(tmp);
625 output.println(slot+", "+state.getTagId(tvd.getTag()));
627 output.println("};");
629 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
630 output.println("/* type */"+param_type.getClassDesc().getId()+",");
631 output.println("/* number of DNF terms */"+dnfterms+",");
632 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
633 output.println("0,");
634 //BUG, added next line to fix and else statement...test
635 //with any task program
637 output.println("/* number of tags */"+param_tag.numTags()+",");
639 output.println("/* number of tags */ 0,");
640 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
641 output.println("};");
645 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
646 for (int i=0; i<task.numParameters(); i++) {
649 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
651 output.println("};");
653 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
654 output.println("&"+task.getSafeSymbol()+",");
655 output.println("/* number of parameters */" +task.numParameters() + ",");
656 int numtotal=task.numParameters()+fm.numTags();
657 output.println("/* number total parameters */" +numtotal + ",");
658 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
659 output.println("\""+task.getSymbol()+"\"");
660 output.println("};");
664 /** The buildVirtualTables method outputs the virtual dispatch
665 * tables for methods. */
667 protected void buildVirtualTables(PrintWriter outvirtual) {
668 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
669 while(classit.hasNext()) {
670 ClassDescriptor cd=(ClassDescriptor)classit.next();
671 if (virtualcalls.getMethodCount(cd)>maxcount)
672 maxcount=virtualcalls.getMethodCount(cd);
674 MethodDescriptor[][] virtualtable=null;
675 LocalityBinding[][] lbvirtualtable=null;
676 if (state.DSM||state.SINGLETM)
677 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
679 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
681 /* Fill in virtual table */
682 classit=state.getClassSymbolTable().getDescriptorsIterator();
683 while(classit.hasNext()) {
684 ClassDescriptor cd=(ClassDescriptor)classit.next();
685 if (state.DSM||state.SINGLETM)
686 fillinRow(cd, lbvirtualtable, cd.getId());
688 fillinRow(cd, virtualtable, cd.getId());
691 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
692 Iterator arrayit=state.getArrayIterator();
693 while(arrayit.hasNext()) {
694 TypeDescriptor td=(TypeDescriptor)arrayit.next();
695 int id=state.getArrayNumber(td);
696 if (state.DSM||state.SINGLETM)
697 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
699 fillinRow(objectcd, virtualtable, id+state.numClasses());
702 outvirtual.print("void * virtualtable[]={");
703 boolean needcomma=false;
704 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
705 for(int j=0; j<maxcount; j++) {
707 outvirtual.print(", ");
708 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
709 LocalityBinding lb=lbvirtualtable[i][j];
710 MethodDescriptor md=lb.getMethod();
711 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
712 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
713 MethodDescriptor md=virtualtable[i][j];
714 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
716 outvirtual.print("0");
720 outvirtual.println("");
722 outvirtual.println("};");
726 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
727 /* Get inherited methods */
728 if (cd.getSuperDesc()!=null)
729 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
730 /* Override them with our methods */
731 for(Iterator it=cd.getMethods(); it.hasNext();) {
732 MethodDescriptor md=(MethodDescriptor)it.next();
733 if (md.isStatic()||md.getReturnType()==null)
735 int methodnum=virtualcalls.getMethodNumber(md);
736 virtualtable[rownum][methodnum]=md;
740 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
741 /* Get inherited methods */
742 if (cd.getSuperDesc()!=null)
743 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
744 /* Override them with our methods */
745 if (locality.getClassBindings(cd)!=null)
746 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
747 LocalityBinding lb=lbit.next();
748 MethodDescriptor md=lb.getMethod();
749 //Is the method static or a constructor
750 if (md.isStatic()||md.getReturnType()==null)
752 int methodnum=virtualcalls.getLocalityNumber(lb);
753 virtualtable[rownum][methodnum]=lb;
757 /** Generate array that contains the sizes of class objects. The
758 * object allocation functions in the runtime use this
761 private void generateSizeArray(PrintWriter outclassdefs) {
762 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
763 outclassdefs.print("#ifdef TRANSSTATS \n");
764 outclassdefs.print("extern int numTransAbort;\n");
765 outclassdefs.print("extern int numTransCommit;\n");
766 outclassdefs.print("extern int nchashSearch;\n");
767 outclassdefs.print("extern int nmhashSearch;\n");
768 outclassdefs.print("extern int nprehashSearch;\n");
769 outclassdefs.print("extern int nRemoteSend;\n");
770 outclassdefs.print("extern int nSoftAbort;\n");
771 outclassdefs.print("extern int bytesSent;\n");
772 outclassdefs.print("extern int bytesRecv;\n");
773 outclassdefs.print("extern void handle();\n");
774 outclassdefs.print("#endif\n");
775 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
777 outclassdefs.print("int classsize[]={");
778 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
779 cdarray=new ClassDescriptor[state.numClasses()];
780 while(it.hasNext()) {
781 ClassDescriptor cd=(ClassDescriptor)it.next();
782 cdarray[cd.getId()]=cd;
784 boolean needcomma=false;
785 for(int i=0; i<state.numClasses(); i++) {
787 outclassdefs.print(", ");
788 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
792 arraytable=new TypeDescriptor[state.numArrays()];
794 Iterator arrayit=state.getArrayIterator();
795 while(arrayit.hasNext()) {
796 TypeDescriptor td=(TypeDescriptor)arrayit.next();
797 int id=state.getArrayNumber(td);
801 for(int i=0; i<state.numArrays(); i++) {
803 outclassdefs.print(", ");
804 TypeDescriptor tdelement=arraytable[i].dereference();
805 if (tdelement.isArray()||tdelement.isClass())
806 outclassdefs.print("sizeof(void *)");
808 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
812 outclassdefs.println("};");
814 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
816 outclassdefs.print("int typearray[]={");
817 for(int i=0;i<state.numClasses();i++) {
818 ClassDescriptor cd=cdarray[i];
819 ClassDescriptor supercd=cd.getSuperDesc();
821 outclassdefs.print(", ");
823 outclassdefs.print("-1");
825 outclassdefs.print(supercd.getId());
829 for(int i=0;i<state.numArrays();i++) {
830 TypeDescriptor arraytd=arraytable[i];
831 ClassDescriptor arraycd=arraytd.getClassDesc();
834 outclassdefs.print(", ");
835 outclassdefs.print(objectclass.getId());
839 ClassDescriptor cd=arraycd.getSuperDesc();
842 TypeDescriptor supertd=new TypeDescriptor(cd);
843 supertd.setArrayCount(arraytd.getArrayCount());
844 type=state.getArrayNumber(supertd);
846 type+=state.numClasses();
849 cd=cd.getSuperDesc();
852 outclassdefs.print(", ");
853 outclassdefs.print(type);
857 outclassdefs.println("};");
862 outclassdefs.print("int typearray2[]={");
863 for(int i=0;i<state.numArrays();i++) {
864 TypeDescriptor arraytd=arraytable[i];
865 ClassDescriptor arraycd=arraytd.getClassDesc();
868 outclassdefs.print(", ");
869 outclassdefs.print("-1");
873 ClassDescriptor cd=arraycd.getSuperDesc();
874 int level=arraytd.getArrayCount()-1;
876 for(;level>0;level--) {
877 TypeDescriptor supertd=new TypeDescriptor(objectclass);
878 supertd.setArrayCount(level);
879 type=state.getArrayNumber(supertd);
881 type+=state.numClasses();
886 outclassdefs.print(", ");
887 outclassdefs.print(type);
891 outclassdefs.println("};");
894 /** Constructs params and temp objects for each method or task.
895 * These objects tell the compiler which temps need to be
898 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
899 MethodDescriptor md=fm.getMethod();
900 TaskDescriptor task=fm.getTask();
901 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
902 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
904 paramstable.put(lb, objectparams);
905 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
908 paramstable.put(md, objectparams);
910 paramstable.put(task, objectparams);
912 for(int i=0; i<fm.numParameters(); i++) {
913 TempDescriptor temp=fm.getParameter(i);
914 TypeDescriptor type=temp.getType();
915 if (type.isPtr()&&GENERATEPRECISEGC)
916 objectparams.addPtr(temp);
918 objectparams.addPrim(temp);
919 if(lb!=null&&saveset.contains(temp)) {
920 backuptable.get(lb).put(temp, temp.createNew());
924 for(int i=0; i<fm.numTags(); i++) {
925 TempDescriptor temp=fm.getTag(i);
926 if (GENERATEPRECISEGC)
927 objectparams.addPtr(temp);
929 objectparams.addPrim(temp);
932 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
934 tempstable.put(lb, objecttemps);
936 tempstable.put(md, objecttemps);
938 tempstable.put(task, objecttemps);
940 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
941 FlatNode fn=(FlatNode)nodeit.next();
942 TempDescriptor[] writes=fn.writesTemps();
943 for(int i=0; i<writes.length; i++) {
944 TempDescriptor temp=writes[i];
945 TypeDescriptor type=temp.getType();
946 if (type.isPtr()&&GENERATEPRECISEGC)
947 objecttemps.addPtr(temp);
949 objecttemps.addPrim(temp);
950 if(lb!=null&&saveset.contains(temp)&&
951 !backuptable.get(lb).containsKey(temp))
952 backuptable.get(lb).put(temp, temp.createNew());
956 /* Create backup temps */
958 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
959 TempDescriptor tmp=tmpit.next();
960 TypeDescriptor type=tmp.getType();
961 if (type.isPtr()&&GENERATEPRECISEGC)
962 objecttemps.addPtr(tmp);
964 objecttemps.addPrim(tmp);
966 /* Create temp to hold revert table */
967 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
968 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
969 if (GENERATEPRECISEGC)
970 objecttemps.addPtr(reverttmp);
972 objecttemps.addPrim(reverttmp);
973 reverttable.put(lb, reverttmp);
978 /** This method outputs the following information about classes
980 * (1) For classes, what are the locations of pointers.
981 * (2) For arrays, does the array contain pointers or primitives.
982 * (3) For classes, does the class contain flags.
985 private void generateLayoutStructs(PrintWriter output) {
986 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
987 while(it.hasNext()) {
988 ClassDescriptor cn=(ClassDescriptor)it.next();
989 output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
990 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
992 while(allit.hasNext()) {
993 FieldDescriptor fd=(FieldDescriptor)allit.next();
994 TypeDescriptor type=fd.getType();
995 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1000 output.print(count);
1001 allit=cn.getFieldTable().getAllDescriptorsIterator();
1002 while(allit.hasNext()) {
1003 FieldDescriptor fd=(FieldDescriptor)allit.next();
1004 TypeDescriptor type=fd.getType();
1005 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1008 output.println(",");
1009 output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
1012 output.println("};");
1014 output.println("unsigned int * pointerarray[]={");
1015 boolean needcomma=false;
1016 for(int i=0; i<state.numClasses(); i++) {
1017 ClassDescriptor cn=cdarray[i];
1019 output.println(",");
1021 output.print(cn.getSafeSymbol()+"_pointers");
1024 for(int i=0; i<state.numArrays(); i++) {
1026 output.println(", ");
1027 TypeDescriptor tdelement=arraytable[i].dereference();
1028 if (tdelement.isArray()||tdelement.isClass())
1029 output.print("((unsigned int *)1)");
1035 output.println("};");
1037 output.println("int hasflags[]={");
1038 for(int i=0; i<state.numClasses(); i++) {
1039 ClassDescriptor cn=cdarray[i];
1041 output.println(", ");
1048 output.println("};");
1051 /** Print out table to give us supertypes */
1052 private void generateSuperTypeTable(PrintWriter output) {
1053 output.println("int supertypes[]={");
1054 boolean needcomma=false;
1055 for(int i=0; i<state.numClasses(); i++) {
1056 ClassDescriptor cn=cdarray[i];
1058 output.println(",");
1060 if (cn.getSuperDesc()!=null) {
1061 ClassDescriptor cdsuper=cn.getSuperDesc();
1062 output.print(cdsuper.getId());
1066 output.println("};");
1069 /** Force consistent field ordering between inherited classes. */
1071 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
1073 ClassDescriptor sp=cn.getSuperDesc();
1075 printClassStruct(sp, classdefout);
1077 if (!fieldorder.containsKey(cn)) {
1078 Vector fields=new Vector();
1079 fieldorder.put(cn,fields);
1080 if (sp==null&&!state.TASK) {
1081 fields.add(cn.getFieldTable().get("cachedCode"));
1083 Iterator fieldit=cn.getFields();
1084 while(fieldit.hasNext()) {
1085 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
1086 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
1087 (!fd.getSymbol().equals("cachedCode")||state.TASK))
1091 Vector fields=(Vector)fieldorder.get(cn);
1093 for(int i=0; i<fields.size(); i++) {
1094 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1095 if (fd.getType().isClass()||fd.getType().isArray())
1096 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1098 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1103 /* Map flags to integers consistently between inherited
1106 protected void mapFlags(ClassDescriptor cn) {
1107 ClassDescriptor sp=cn.getSuperDesc();
1111 if (!flagorder.containsKey(cn)) {
1112 Hashtable flags=new Hashtable();
1113 flagorder.put(cn,flags);
1115 Hashtable superflags=(Hashtable)flagorder.get(sp);
1116 Iterator superflagit=superflags.keySet().iterator();
1117 while(superflagit.hasNext()) {
1118 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1119 Integer number=(Integer)superflags.get(fd);
1120 flags.put(fd, number);
1121 if ((number.intValue()+1)>max)
1122 max=number.intValue()+1;
1126 Iterator flagit=cn.getFlags();
1127 while(flagit.hasNext()) {
1128 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1129 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1130 flags.put(fd, new Integer(max++));
1136 /** This function outputs (1) structures that parameters are
1137 * passed in (when PRECISE GC is enabled) and (2) function
1138 * prototypes for the methods */
1140 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1141 /* Output class structure */
1142 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1143 classdefout.println(" int type;");
1145 classdefout.println(" pthread_t tid;");
1146 classdefout.println(" void * lockentry;");
1147 classdefout.println(" int lockcount;");
1151 classdefout.println(" int flag;");
1152 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1153 classdefout.println(" void * flagptr;");
1154 } else if (state.MULTICORE) {
1155 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1156 classdefout.println(" int version;");
1157 classdefout.println(" struct ___Object___ * original;");
1158 //classdefout.println(" int numlocks;"); // array for locks
1159 classdefout.println(" int * lock;");
1161 if (state.OPTIONAL) {
1162 classdefout.println(" int numfses;");
1163 classdefout.println(" int * fses;");
1166 printClassStruct(cn, classdefout);
1167 classdefout.println("};\n");
1169 if (state.DSM||state.SINGLETM) {
1170 /* Cycle through LocalityBindings */
1171 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1172 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1174 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1175 LocalityBinding lb=lbit.next();
1176 MethodDescriptor md=lb.getMethod();
1177 if (md.getModifiers().isNative()) {
1178 //make sure we only print a native method once
1179 if (nativemethods.contains(md)) {
1180 FlatMethod fm=state.getMethodFlat(md);
1181 generateTempStructs(fm, lb);
1184 nativemethods.add(md);
1186 generateMethod(cn, md, lb, headersout, output);
1189 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1190 MethodDescriptor md=(MethodDescriptor)methodit.next();
1191 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1192 //Need to build param structure for library code
1193 FlatMethod fm=state.getMethodFlat(md);
1194 generateTempStructs(fm, null);
1195 generateMethodParam(cn, md, null, output);
1200 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1201 MethodDescriptor md=(MethodDescriptor)methodit.next();
1202 generateMethod(cn, md, null, headersout, output);
1206 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1207 /* Output parameter structure */
1208 if (GENERATEPRECISEGC) {
1209 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1210 if ((state.DSM||state.SINGLETM)&&lb!=null)
1211 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1213 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1214 output.println(" int size;");
1215 output.println(" void * next;");
1216 for(int i=0; i<objectparams.numPointers(); i++) {
1217 TempDescriptor temp=objectparams.getPointer(i);
1218 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1220 output.println("};\n");
1225 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1226 FlatMethod fm=state.getMethodFlat(md);
1227 generateTempStructs(fm, lb);
1229 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1230 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1232 generateMethodParam(cn, md, lb, output);
1234 /* Output temp structure */
1235 if (GENERATEPRECISEGC) {
1236 if (state.DSM||state.SINGLETM)
1237 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1239 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1240 output.println(" int size;");
1241 output.println(" void * next;");
1242 for(int i=0; i<objecttemps.numPointers(); i++) {
1243 TempDescriptor temp=objecttemps.getPointer(i);
1244 if (temp.getType().isNull())
1245 output.println(" void * "+temp.getSafeSymbol()+";");
1247 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1249 output.println("};\n");
1252 /********* Output method declaration ***********/
1254 /* First the return type */
1255 if (md.getReturnType()!=null) {
1256 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1257 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1259 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1261 //catch the constructor case
1262 headersout.print("void ");
1264 /* Next the method name */
1265 if (state.DSM||state.SINGLETM) {
1266 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1268 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1270 boolean printcomma=false;
1271 if (GENERATEPRECISEGC) {
1272 if (state.DSM||state.SINGLETM) {
1273 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1275 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1279 /* Output parameter list*/
1280 for(int i=0; i<objectparams.numPrimitives(); i++) {
1281 TempDescriptor temp=objectparams.getPrimitive(i);
1283 headersout.print(", ");
1285 if (temp.getType().isClass()||temp.getType().isArray())
1286 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1288 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1290 headersout.println(");\n");
1294 /** This function outputs (1) structures that parameters are
1295 * passed in (when PRECISE GC is enabled) and (2) function
1296 * prototypes for the tasks */
1298 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1299 /* Cycle through tasks */
1300 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1302 while(taskit.hasNext()) {
1303 /* Classify parameters */
1304 TaskDescriptor task=(TaskDescriptor)taskit.next();
1305 FlatMethod fm=state.getMethodFlat(task);
1306 generateTempStructs(fm, null);
1308 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1309 TempObject objecttemps=(TempObject) tempstable.get(task);
1311 /* Output parameter structure */
1312 if (GENERATEPRECISEGC) {
1313 output.println("struct "+task.getSafeSymbol()+"_params {");
1315 output.println(" int size;");
1316 output.println(" void * next;");
1317 for(int i=0; i<objectparams.numPointers(); i++) {
1318 TempDescriptor temp=objectparams.getPointer(i);
1319 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1322 output.println("};\n");
1323 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1324 maxtaskparams=objectparams.numPointers()+fm.numTags();
1328 /* Output temp structure */
1329 if (GENERATEPRECISEGC) {
1330 output.println("struct "+task.getSafeSymbol()+"_locals {");
1331 output.println(" int size;");
1332 output.println(" void * next;");
1333 for(int i=0; i<objecttemps.numPointers(); i++) {
1334 TempDescriptor temp=objecttemps.getPointer(i);
1335 if (temp.getType().isNull())
1336 output.println(" void * "+temp.getSafeSymbol()+";");
1337 else if(temp.getType().isTag())
1338 output.println(" struct "+
1339 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1341 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1343 output.println("};\n");
1346 /* Output task declaration */
1347 headersout.print("void " + task.getSafeSymbol()+"(");
1349 boolean printcomma=false;
1350 if (GENERATEPRECISEGC) {
1351 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1353 headersout.print("void * parameterarray[]");
1354 headersout.println(");\n");
1358 /***** Generate code for FlatMethod fm. *****/
1360 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1361 if (State.PRINTFLAT)
1362 System.out.println(fm.printMethod());
1363 MethodDescriptor md=fm.getMethod();
1365 TaskDescriptor task=fm.getTask();
1367 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1369 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1370 generateHeader(fm, lb, md!=null ? md : task,output);
1371 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1373 if (GENERATEPRECISEGC) {
1374 if (md!=null&&(state.DSM||state.SINGLETM))
1375 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1376 else if (md!=null&&!(state.DSM||state.SINGLETM))
1377 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1379 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1381 output.print(objecttemp.numPointers()+",");
1382 output.print(paramsprefix);
1383 for(int j=0; j<objecttemp.numPointers(); j++)
1384 output.print(", NULL");
1385 output.println("};");
1388 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1389 TempDescriptor td=objecttemp.getPrimitive(i);
1390 TypeDescriptor type=td.getType();
1392 output.println(" void * "+td.getSafeSymbol()+";");
1393 else if (type.isClass()||type.isArray())
1394 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1396 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1399 /* Assign labels to FlatNode's if necessary.*/
1401 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(fm);
1403 /* Check to see if we need to do a GC if this is a
1404 * multi-threaded program...*/
1406 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1407 if (state.DSM&&lb.isAtomic())
1408 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1410 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1413 /* Do the actual code generation */
1414 FlatNode current_node=null;
1415 HashSet tovisit=new HashSet();
1416 HashSet visited=new HashSet();
1417 tovisit.add(fm.getNext(0));
1418 while(current_node!=null||!tovisit.isEmpty()) {
1419 if (current_node==null) {
1420 current_node=(FlatNode)tovisit.iterator().next();
1421 tovisit.remove(current_node);
1422 } else if (tovisit.contains(current_node)){
1423 tovisit.remove(current_node);
1425 visited.add(current_node);
1426 if (nodetolabel.containsKey(current_node))
1427 output.println("L"+nodetolabel.get(current_node)+":");
1428 if (state.INSTRUCTIONFAILURE) {
1429 if (state.THREAD||state.DSM||state.SINGLETM) {
1430 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1432 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1434 if (current_node.numNext()==0) {
1436 generateFlatNode(fm, lb, current_node, output);
1437 if (current_node.kind()!=FKind.FlatReturnNode) {
1438 output.println(" return;");
1441 } else if(current_node.numNext()==1) {
1443 generateFlatNode(fm, lb, current_node, output);
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( MLP ) generateFlatSESEEnterNode(fm, lb, (FlatSESEEnterNode) fn, output);
1538 case FKind.FlatSESEExitNode:
1539 if( 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("}");
1900 public void generateFlatSESEEnterNode(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
1901 output.println("mlpEnqueue( (struct SESE*)0 );");
1904 public void generateFlatSESEExitNode(FlatMethod fm, LocalityBinding lb, FlatSESEExitNode faen, PrintWriter output) {
1905 output.println("mlpNotifyExit( (struct SESE*)0 );");
1908 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
1909 if (state.CONSCHECK) {
1910 String specname=fcn.getSpec();
1911 String varname="repairstate___";
1912 output.println("{");
1913 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1915 TempDescriptor[] temps=fcn.getTemps();
1916 String[] vars=fcn.getVars();
1917 for(int i=0; i<temps.length; i++) {
1918 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
1921 output.println("if (doanalysis"+specname+"("+varname+")) {");
1922 output.println("free"+specname+"_state("+varname+");");
1923 output.println("} else {");
1924 output.println("/* Bad invariant */");
1925 output.println("free"+specname+"_state("+varname+");");
1926 output.println("abort_task();");
1927 output.println("}");
1928 output.println("}");
1932 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
1933 MethodDescriptor md=fc.getMethod();
1934 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM||state.SINGLETM ? locality.getBinding(lb, fc) : md);
1935 ClassDescriptor cn=md.getClassDesc();
1936 output.println("{");
1937 if (GENERATEPRECISEGC) {
1938 if (state.DSM||state.SINGLETM) {
1939 LocalityBinding fclb=locality.getBinding(lb, fc);
1940 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1942 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1944 output.print(objectparams.numPointers());
1945 output.print(", & "+localsprefix);
1946 if (md.getThis()!=null) {
1948 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
1950 if (fc.getThis()!=null&&md.getThis()==null) {
1951 System.out.println("WARNING!!!!!!!!!!!!");
1952 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
1956 for(int i=0; i<fc.numArgs(); i++) {
1957 Descriptor var=md.getParameter(i);
1958 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1959 if (objectparams.isParamPtr(paramtemp)) {
1960 TempDescriptor targ=fc.getArg(i);
1962 TypeDescriptor td=md.getParamType(i);
1964 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1966 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1969 output.println("};");
1974 if (fc.getReturnTemp()!=null)
1975 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
1977 /* Do we need to do virtual dispatch? */
1978 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
1980 if (state.DSM||state.SINGLETM) {
1981 LocalityBinding fclb=locality.getBinding(lb, fc);
1982 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1984 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1989 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1990 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1992 output.print(md.getReturnType().getSafeSymbol()+" ");
1993 output.print("(*)(");
1995 boolean printcomma=false;
1996 if (GENERATEPRECISEGC) {
1997 if (state.DSM||state.SINGLETM) {
1998 LocalityBinding fclb=locality.getBinding(lb, fc);
1999 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2001 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2005 for(int i=0; i<objectparams.numPrimitives(); i++) {
2006 TempDescriptor temp=objectparams.getPrimitive(i);
2010 if (temp.getType().isClass()||temp.getType().isArray())
2011 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2013 output.print(temp.getType().getSafeSymbol());
2017 if (state.DSM||state.SINGLETM) {
2018 LocalityBinding fclb=locality.getBinding(lb, fc);
2019 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
2021 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2025 boolean needcomma=false;
2026 if (GENERATEPRECISEGC) {
2027 output.print("&__parameterlist__");
2031 if (!GENERATEPRECISEGC) {
2032 if (fc.getThis()!=null) {
2033 TypeDescriptor ptd=md.getThis().getType();
2036 if (ptd.isClass()&&!ptd.isArray())
2037 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2038 output.print(generateTemp(fm,fc.getThis(),lb));
2043 for(int i=0; i<fc.numArgs(); i++) {
2044 Descriptor var=md.getParameter(i);
2045 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2046 if (objectparams.isParamPrim(paramtemp)) {
2047 TempDescriptor targ=fc.getArg(i);
2051 TypeDescriptor ptd=md.getParamType(i);
2052 if (ptd.isClass()&&!ptd.isArray())
2053 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2054 output.print(generateTemp(fm, targ,lb));
2058 output.println(");");
2059 output.println(" }");
2062 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2063 Set subclasses=typeutil.getSubClasses(thiscd);
2064 if (subclasses==null)
2066 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
2067 ClassDescriptor cd=(ClassDescriptor)classit.next();
2068 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
2069 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
2070 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2071 if (md.matches(matchmd))
2078 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
2079 if (state.SINGLETM) {
2080 //single machine transactional memory case
2081 String field=ffn.getField().getSafeSymbol();
2082 String src=generateTemp(fm, ffn.getSrc(),lb);
2083 String dst=generateTemp(fm, ffn.getDst(),lb);
2085 output.println(dst+"="+ src +"->"+field+ ";");
2086 if (ffn.getField().getType().isPtr()) {
2087 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2089 } else if (state.DSM) {
2090 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
2091 if (status==LocalityAnalysis.GLOBAL) {
2092 String field=ffn.getField().getSafeSymbol();
2093 String src=generateTemp(fm, ffn.getSrc(),lb);
2094 String dst=generateTemp(fm, ffn.getDst(),lb);
2096 if (ffn.getField().getType().isPtr()) {
2098 //TODO: Uncomment this when we have runtime support
2099 //if (ffn.getSrc()==ffn.getDst()) {
2100 //output.println("{");
2101 //output.println("void * temp="+src+";");
2102 //output.println("if (temp&0x1) {");
2103 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
2104 //output.println(src+"->"+field+"="+temp+";");
2105 //output.println("}");
2106 //output.println(dst+"=temp;");
2107 //output.println("}");
2109 output.println(dst+"="+ src +"->"+field+ ";");
2110 //output.println("if ("+dst+"&0x1) {");
2111 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2112 //output.println(src+"->"+field+"="+src+"->"+field+";");
2113 //output.println("}");
2116 output.println(dst+"="+ src+"->"+field+";");
2118 } else if (status==LocalityAnalysis.LOCAL) {
2119 if (ffn.getField().getType().isPtr()&&
2120 ffn.getField().isGlobal()) {
2121 String field=ffn.getField().getSafeSymbol();
2122 String src=generateTemp(fm, ffn.getSrc(),lb);
2123 String dst=generateTemp(fm, ffn.getDst(),lb);
2124 output.println(dst+"="+ src +"->"+field+ ";");
2125 if (locality.getAtomic(lb).get(ffn).intValue()>0)
2126 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2128 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2129 } else if (status==LocalityAnalysis.EITHER) {
2130 //Code is reading from a null pointer
2131 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
2132 output.println("#ifndef RAW");
2133 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2134 output.println("#endif");
2135 //This should throw a suitable null pointer error
2136 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2138 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2140 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2144 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
2145 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2146 throw new Error("Can't set array length");
2147 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2148 //Single Machine Transaction Case
2149 boolean srcptr=fsfn.getSrc().getType().isPtr();
2150 String src=generateTemp(fm,fsfn.getSrc(),lb);
2151 String dst=generateTemp(fm,fsfn.getDst(),lb);
2153 output.println("{");
2154 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2156 if (wb.needBarrier(fsfn))
2157 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
2159 output.println("*((unsigned int *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2160 output.println("}");
2162 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2164 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2165 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
2166 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
2167 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2169 String src=generateTemp(fm,fsfn.getSrc(),lb);
2170 String dst=generateTemp(fm,fsfn.getDst(),lb);
2172 output.println("{");
2173 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2175 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2178 if (wb.needBarrier(fsfn))
2179 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2181 output.println("*((unsigned int *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2183 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2184 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2185 /** Check if we need to copy */
2186 output.println("if(!"+dst+"->"+localcopystr+") {");
2187 /* Link object into list */
2188 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2189 output.println(revertptr+"=revertlist;");
2190 if (GENERATEPRECISEGC)
2191 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2193 output.println("COPY_OBJ("+dst+");");
2194 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2195 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2196 output.println("}");
2198 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2200 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2201 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2202 //writing to a null...bad
2203 output.println("if ("+dst+") {");
2204 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2206 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2208 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2211 output.println("}");
2214 if (state.FASTCHECK) {
2215 String dst=generateTemp(fm, fsfn.getDst(),lb);
2216 output.println("if(!"+dst+"->"+localcopystr+") {");
2217 /* Link object into list */
2218 if (GENERATEPRECISEGC)
2219 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2221 output.println("COPY_OBJ("+dst+");");
2222 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2223 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2224 output.println("}");
2226 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2230 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2231 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2234 if (elementtype.isArray()||elementtype.isClass())
2237 type=elementtype.getSafeSymbol()+" ";
2239 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2240 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2241 output.println("failedboundschk();");
2243 if (state.SINGLETM) {
2244 //Single machine transaction case
2245 String dst=generateTemp(fm, fen.getDst(),lb);
2247 if (elementtype.isPtr()) {
2248 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2249 output.println("TRANSREAD("+dst+", "+dst+");");
2251 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2253 } else if (state.DSM) {
2254 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2255 if (status==LocalityAnalysis.GLOBAL) {
2256 String dst=generateTemp(fm, fen.getDst(),lb);
2258 if (elementtype.isPtr()) {
2259 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2260 output.println("TRANSREAD("+dst+", "+dst+");");
2262 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2264 } else if (status==LocalityAnalysis.LOCAL) {
2265 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2266 } else if (status==LocalityAnalysis.EITHER) {
2267 //Code is reading from a null pointer
2268 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2269 output.println("#ifndef RAW");
2270 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2271 output.println("#endif");
2272 //This should throw a suitable null pointer error
2273 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2275 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2277 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2281 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2282 //TODO: need dynamic check to make sure this assignment is actually legal
2283 //Because Object[] could actually be something more specific...ie. Integer[]
2285 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2288 if (elementtype.isArray()||elementtype.isClass())
2291 type=elementtype.getSafeSymbol()+" ";
2293 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2294 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2295 output.println("failedboundschk();");
2298 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2299 //Transaction set element case
2300 if (wb.needBarrier(fsen))
2301 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
2302 if (fsen.getSrc().getType().isPtr()) {
2303 output.println("{");
2304 String src=generateTemp(fm, fsen.getSrc(), lb);
2305 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2306 output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2307 output.println("}");
2309 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2311 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2312 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2313 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2314 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2315 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2316 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2319 if (wb.needBarrier(fsen))
2320 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2321 } else if (dstlocal) {
2322 /** Check if we need to copy */
2323 String dst=generateTemp(fm, fsen.getDst(),lb);
2324 output.println("if(!"+dst+"->"+localcopystr+") {");
2325 /* Link object into list */
2326 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2327 output.println(revertptr+"=revertlist;");
2328 if (GENERATEPRECISEGC)
2329 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2331 output.println("COPY_OBJ("+dst+");");
2332 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2333 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2334 output.println("}");
2335 } else throw new Error("Unknown array type");
2337 output.println("{");
2338 String src=generateTemp(fm, fsen.getSrc(), lb);
2339 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2340 output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2341 output.println("}");
2343 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2346 if (state.FASTCHECK) {
2347 String dst=generateTemp(fm, fsen.getDst(),lb);
2348 output.println("if(!"+dst+"->"+localcopystr+") {");
2349 /* Link object into list */
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+"="+fcrevert+";");
2355 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2356 output.println("}");
2358 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2362 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2363 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2364 //Stash pointer in case of GC
2365 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2366 output.println(revertptr+"=revertlist;");
2368 if (state.SINGLETM) {
2369 if (fn.getType().isArray()) {
2370 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2371 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2372 //inside transaction
2373 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2375 //outside transaction
2376 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2379 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2380 //inside transaction
2381 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2383 //outside transaction
2384 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2387 } else if (fn.getType().isArray()) {
2388 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2389 if (fn.isGlobal()) {
2390 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2391 } else if (GENERATEPRECISEGC) {
2392 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2394 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2397 if (fn.isGlobal()) {
2398 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
2399 } else if (GENERATEPRECISEGC) {
2400 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2402 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2405 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2406 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2407 String dst=generateTemp(fm,fn.getDst(),lb);
2408 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2409 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2410 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2412 if (state.FASTCHECK) {
2413 String dst=generateTemp(fm,fn.getDst(),lb);
2414 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2415 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2416 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2420 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2421 if (GENERATEPRECISEGC) {
2422 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2424 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2428 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2429 if (fon.getRight()!=null) {
2430 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2431 if (fon.getLeft().getType().isLong())
2432 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2434 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2437 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2438 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2439 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2440 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2441 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2442 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2443 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2444 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2445 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2446 else if (fon.getOp().getOp()==Operation.COMP)
2447 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2448 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2449 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2451 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2454 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2455 /* TODO: Do type check here */
2456 if (fcn.getType().isArray()) {
2458 } else if (fcn.getType().isClass())
2459 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2461 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2464 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2465 if (fln.getValue()==null)
2466 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2467 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2468 if (GENERATEPRECISEGC) {
2469 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2470 //Stash pointer in case of GC
2471 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2472 output.println(revertptr+"=revertlist;");
2474 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2475 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2476 //Stash pointer in case of GC
2477 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2478 output.println("revertlist="+revertptr+";");
2481 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2483 } else if (fln.getType().isBoolean()) {
2484 if (((Boolean)fln.getValue()).booleanValue())
2485 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2487 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2488 } else if (fln.getType().isChar()) {
2489 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2490 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2491 } else if (fln.getType().isLong()) {
2492 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2494 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2497 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2498 if (frn.getReturnTemp()!=null) {
2499 if (frn.getReturnTemp().getType().isPtr())
2500 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2502 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2504 output.println("return;");
2508 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2509 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2512 /** This method generates header information for the method or
2513 * task referenced by the Descriptor des. */
2515 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2517 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2518 MethodDescriptor md=null;
2519 TaskDescriptor task=null;
2520 if (des instanceof MethodDescriptor)
2521 md=(MethodDescriptor) des;
2523 task=(TaskDescriptor) des;
2525 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2527 if (md!=null&&md.getReturnType()!=null) {
2528 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2529 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2531 output.print(md.getReturnType().getSafeSymbol()+" ");
2533 //catch the constructor case
2534 output.print("void ");
2536 if (state.DSM||state.SINGLETM) {
2537 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2539 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2541 output.print(task.getSafeSymbol()+"(");
2543 boolean printcomma=false;
2544 if (GENERATEPRECISEGC) {
2546 if (state.DSM||state.SINGLETM) {
2547 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2549 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2551 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2557 for(int i=0; i<objectparams.numPrimitives(); i++) {
2558 TempDescriptor temp=objectparams.getPrimitive(i);
2562 if (temp.getType().isClass()||temp.getType().isArray())
2563 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2565 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2567 output.println(") {");
2568 } else if (!GENERATEPRECISEGC) {
2569 /* Imprecise Task */
2570 output.println("void * parameterarray[]) {");
2571 /* Unpack variables */
2572 for(int i=0; i<objectparams.numPrimitives(); i++) {
2573 TempDescriptor temp=objectparams.getPrimitive(i);
2574 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2576 for(int i=0; i<fm.numTags(); i++) {
2577 TempDescriptor temp=fm.getTag(i);
2578 int offset=i+objectparams.numPrimitives();
2579 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2582 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2583 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2584 } else output.println(") {");
2587 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2588 output.println("/* FlatFlagActionNode */");
2591 /* Process tag changes */
2592 Relation tagsettable=new Relation();
2593 Relation tagcleartable=new Relation();
2595 Iterator tagsit=ffan.getTempTagPairs();
2596 while (tagsit.hasNext()) {
2597 TempTagPair ttp=(TempTagPair) tagsit.next();
2598 TempDescriptor objtmp=ttp.getTemp();
2599 TagDescriptor tag=ttp.getTag();
2600 TempDescriptor tagtmp=ttp.getTagTemp();
2601 boolean tagstatus=ffan.getTagChange(ttp);
2603 tagsettable.put(objtmp, tagtmp);
2605 tagcleartable.put(objtmp, tagtmp);
2610 Hashtable flagandtable=new Hashtable();
2611 Hashtable flagortable=new Hashtable();
2613 /* Process flag changes */
2614 Iterator flagsit=ffan.getTempFlagPairs();
2615 while(flagsit.hasNext()) {
2616 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2617 TempDescriptor temp=tfp.getTemp();
2618 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2619 FlagDescriptor flag=tfp.getFlag();
2621 //Newly allocate objects that don't set any flags case
2622 if (flagortable.containsKey(temp)) {
2626 flagortable.put(temp,new Integer(mask));
2628 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2629 boolean flagstatus=ffan.getFlagChange(tfp);
2632 if (flagortable.containsKey(temp)) {
2633 mask=((Integer)flagortable.get(temp)).intValue();
2636 flagortable.put(temp,new Integer(mask));
2638 int mask=0xFFFFFFFF;
2639 if (flagandtable.containsKey(temp)) {
2640 mask=((Integer)flagandtable.get(temp)).intValue();
2642 mask&=(0xFFFFFFFF^flagid);
2643 flagandtable.put(temp,new Integer(mask));
2649 HashSet flagtagset=new HashSet();
2650 flagtagset.addAll(flagortable.keySet());
2651 flagtagset.addAll(flagandtable.keySet());
2652 flagtagset.addAll(tagsettable.keySet());
2653 flagtagset.addAll(tagcleartable.keySet());
2655 Iterator ftit=flagtagset.iterator();
2656 while(ftit.hasNext()) {
2657 TempDescriptor temp=(TempDescriptor)ftit.next();
2660 Set tagtmps=tagcleartable.get(temp);
2661 if (tagtmps!=null) {
2662 Iterator tagit=tagtmps.iterator();
2663 while(tagit.hasNext()) {
2664 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2665 if (GENERATEPRECISEGC)
2666 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2668 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2672 tagtmps=tagsettable.get(temp);
2673 if (tagtmps!=null) {
2674 Iterator tagit=tagtmps.iterator();
2675 while(tagit.hasNext()) {
2676 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2677 if (GENERATEPRECISEGC)
2678 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2680 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2685 int andmask=0xFFFFFFF;
2687 if (flagortable.containsKey(temp))
2688 ormask=((Integer)flagortable.get(temp)).intValue();
2689 if (flagandtable.containsKey(temp))
2690 andmask=((Integer)flagandtable.get(temp)).intValue();
2691 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2692 generateObjectDistribute(ffan, fm, lb, temp, output);
2696 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2697 PrintWriter output, int ormask, int andmask) {
2698 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2699 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2701 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2705 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2706 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
2709 void generateOptionalHeader(PrintWriter headers) {
2712 headers.println("#include \"task.h\"\n\n");
2713 headers.println("#ifndef _OPTIONAL_STRUCT_");
2714 headers.println("#define _OPTIONAL_STRUCT_");
2716 //STRUCT PREDICATEMEMBER
2717 headers.println("struct predicatemember{");
2718 headers.println("int type;");
2719 headers.println("int numdnfterms;");
2720 headers.println("int * flags;");
2721 headers.println("int numtags;");
2722 headers.println("int * tags;\n};\n\n");
2724 //STRUCT OPTIONALTASKDESCRIPTOR
2725 headers.println("struct optionaltaskdescriptor{");
2726 headers.println("struct taskdescriptor * task;");
2727 headers.println("int index;");
2728 headers.println("int numenterflags;");
2729 headers.println("int * enterflags;");
2730 headers.println("int numpredicatemembers;");
2731 headers.println("struct predicatemember ** predicatememberarray;");
2732 headers.println("};\n\n");
2734 //STRUCT TASKFAILURE
2735 headers.println("struct taskfailure {");
2736 headers.println("struct taskdescriptor * task;");
2737 headers.println("int index;");
2738 headers.println("int numoptionaltaskdescriptors;");
2739 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2741 //STRUCT FSANALYSISWRAPPER
2742 headers.println("struct fsanalysiswrapper{");
2743 headers.println("int flags;");
2744 headers.println("int numtags;");
2745 headers.println("int * tags;");
2746 headers.println("int numtaskfailures;");
2747 headers.println("struct taskfailure ** taskfailurearray;");
2748 headers.println("int numoptionaltaskdescriptors;");
2749 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2751 //STRUCT CLASSANALYSISWRAPPER
2752 headers.println("struct classanalysiswrapper{");
2753 headers.println("int type;");
2754 headers.println("int numotd;");
2755 headers.println("struct optionaltaskdescriptor ** otdarray;");
2756 headers.println("int numfsanalysiswrappers;");
2757 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2759 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2761 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2762 while(taskit.hasNext()) {
2763 TaskDescriptor td=(TaskDescriptor)taskit.next();
2764 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2769 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2770 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2771 int predicateindex = 0;
2772 //iterate through the classes concerned by the predicate
2773 Set c_vard = predicate.vardescriptors;
2774 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2777 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
2778 VarDescriptor vard = (VarDescriptor)vard_it.next();
2779 TypeDescriptor typed = vard.getType();
2781 //generate for flags
2782 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2783 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2785 if (fen_hashset!=null) {
2786 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
2787 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2789 DNFFlag dflag=fen.getDNF();
2790 numberterms+=dflag.size();
2792 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2794 for(int j=0; j<dflag.size(); j++) {
2796 output.println(",");
2797 Vector term=dflag.get(j);
2800 for(int k=0; k<term.size(); k++) {
2801 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2802 FlagDescriptor fd=dfa.getFlag();
2803 boolean negated=dfa.getNegated();
2804 int flagid=1<<((Integer)flags.get(fd)).intValue();
2809 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2814 output.println("};\n");
2817 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2818 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2821 for(int j=0; j<tagel.numTags(); j++) {
2823 output.println(",");
2824 TempDescriptor tmp=tagel.getTemp(j);
2825 if (!slotnumber.containsKey(tmp)) {
2826 Integer slotint=new Integer(current_slot++);
2827 slotnumber.put(tmp,slotint);
2829 int slot=slotnumber.get(tmp).intValue();
2830 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2832 numtags = tagel.numTags();
2834 output.println("};");
2836 //store the result into a predicatemember struct
2837 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2838 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2839 output.println("/* number of dnf terms */"+numberterms+",");
2840 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2841 output.println("/* number of tag */"+numtags+",");
2842 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2843 output.println("};\n");
2848 //generate an array that stores the entire predicate
2849 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2850 for( int j = 0; j<predicateindex; j++) {
2851 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2852 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2854 output.println("};\n");
2855 return predicateindex;
2859 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2860 generateOptionalHeader(headers);
2862 output.println("#include \"optionalstruct.h\"\n\n");
2863 output.println("#include \"stdlib.h\"\n");
2865 HashSet processedcd = new HashSet();
2867 Enumeration e = safeexecution.keys();
2868 while (e.hasMoreElements()) {
2871 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2872 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
2874 //Generate the struct of optionals
2875 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2876 numotd = c_otd.size();
2877 if(maxotd<numotd) maxotd = numotd;
2878 if( !c_otd.isEmpty() ) {
2879 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2880 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2882 //generate the int arrays for the predicate
2883 Predicate predicate = otd.predicate;
2884 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
2885 TreeSet<Integer> fsset=new TreeSet<Integer>();
2886 //iterate through possible FSes corresponding to
2887 //the state when entering
2889 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
2890 FlagState fs = (FlagState)fses.next();
2892 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
2893 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2894 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2897 fsset.add(new Integer(flagid));
2898 //tag information not needed because tag
2899 //changes are not tolerated.
2902 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2903 boolean needcomma=false;
2904 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
2907 output.println(it.next());
2910 output.println("};\n");
2913 //generate optionaltaskdescriptor that actually
2914 //includes exit fses, predicate and the task
2916 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2917 output.println("&task_"+otd.td.getSafeSymbol()+",");
2918 output.println("/*index*/"+otd.getIndex()+",");
2919 output.println("/*number of enter flags*/"+fsset.size()+",");
2920 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2921 output.println("/*number of members */"+predicateindex+",");
2922 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2923 output.println("};\n");
2927 // if there are no optionals, there is no need to build the rest of the struct
2929 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
2930 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2931 if( !c_otd.isEmpty() ) {
2932 boolean needcomma=false;
2933 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2934 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2936 output.println(",");
2938 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2941 output.println("};\n");
2943 //get all the possible flagstates reachable by an object
2944 Hashtable hashtbtemp = safeexecution.get(cdtemp);
2946 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
2947 fsts.addAll(hashtbtemp.keySet());
2948 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
2949 FlagState fs = (FlagState)fsit.next();
2952 //get the set of OptionalTaskDescriptors corresponding
2953 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
2954 //iterate through the OptionalTaskDescriptors and
2955 //store the pointers to the optionals struct (see on
2956 //top) into an array
2958 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
2959 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
2960 OptionalTaskDescriptor mm = mos.next();
2962 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
2964 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2967 output.println("};\n");
2969 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
2972 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
2973 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2974 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2978 //process tag information
2981 boolean first = true;
2982 Enumeration tag_enum = fs.getTags();
2983 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2984 while(tag_enum.hasMoreElements()) {
2986 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
2990 output.println(", ");
2991 output.println("/*tagid*/"+state.getTagId(tagd));
2993 output.println("};");
2995 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
2996 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
2997 TaskIndex ti=itti.next();
3001 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3003 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3004 boolean needcomma=false;
3005 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
3006 OptionalTaskDescriptor otd=otdit.next();
3010 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3012 output.println("};");
3014 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3015 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3016 output.print(ti.getIndex()+", ");
3017 output.print(otdset.size()+", ");
3018 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3019 output.println("};");
3022 tiset=sa.getTaskIndex(fs);
3023 boolean needcomma=false;
3025 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3026 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3027 TaskIndex ti=itti.next();
3028 if (ti.isRuntime()) {
3035 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3037 output.println("};\n");
3039 //Store the result in fsanalysiswrapper
3041 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3042 output.println("/*flag*/"+flagid+",");
3043 output.println("/* number of tags*/"+tagcounter+",");
3044 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3045 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3046 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3047 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3048 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3049 output.println("};\n");
3053 //Build the array of fsanalysiswrappers
3054 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3055 boolean needcomma=false;
3056 for(int i = 0; i<fscounter; i++) {
3057 if (needcomma) output.print(",");
3058 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3061 output.println("};");
3063 //Build the classanalysiswrapper referring to the previous array
3064 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3065 output.println("/*type*/"+cdtemp.getId()+",");
3066 output.println("/*numotd*/"+numotd+",");
3067 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3068 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3069 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3070 processedcd.add(cdtemp);
3073 //build an array containing every classes for which code has been build
3074 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3075 for(int i=0; i<state.numClasses(); i++) {
3076 ClassDescriptor cn=cdarray[i];
3079 if (processedcd.contains(cn))
3080 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3082 output.print("NULL");
3084 output.println("};");
3086 output.println("#define MAXOTD "+maxotd);
3087 headers.println("#endif");
3090 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3091 Relation r=new Relation();
3092 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
3093 OptionalTaskDescriptor otd=otdit.next();
3094 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3098 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3099 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
3100 Set s=r.get(it.next());
3101 for(Iterator it2=s.iterator(); it2.hasNext();) {
3102 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3110 protected void outputTransCode(PrintWriter output) {