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.Locality.DiscoverConflicts;
21 import Analysis.CallGraph.CallGraph;
22 import Analysis.Prefetch.*;
23 import Analysis.Loops.WriteBarrier;
24 import Analysis.Locality.TypeAnalysis;
25 import Analysis.MLP.MLPAnalysis;
27 public class BuildCode {
30 Hashtable paramstable;
35 String localsprefix="___locals___";
36 String fcrevert="___fcrevert___";
37 String paramsprefix="___params___";
38 String oidstr="___nextobject___";
39 String nextobjstr="___nextobject___";
40 String localcopystr="___localcopy___";
41 public static boolean GENERATEPRECISEGC=false;
42 public static String PREFIX="";
43 public static String arraytype="ArrayObject";
44 public static int flagcount = 0;
47 protected int maxtaskparams=0;
48 private int maxcount=0;
49 ClassDescriptor[] cdarray;
50 TypeDescriptor[] arraytable;
51 LocalityAnalysis locality;
52 Hashtable<LocalityBinding, TempDescriptor> reverttable;
53 Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>> backuptable;
57 boolean nonSESEpass=true;
62 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
63 this(st, temptovar, typeutil, null, sa, pa, null);
66 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa, MLPAnalysis mlpa) {
67 this(st, temptovar, typeutil, null, sa, pa, mlpa);
70 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa, MLPAnalysis mlpa) {
71 this(st, temptovar, typeutil, locality, null, pa, mlpa);
74 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa, MLPAnalysis mlpa) {
79 callgraph=new CallGraph(state);
81 oidstr="___objlocation___";
82 this.temptovar=temptovar;
83 paramstable=new Hashtable();
84 tempstable=new Hashtable();
85 fieldorder=new Hashtable();
86 flagorder=new Hashtable();
87 this.typeutil=typeutil;
88 virtualcalls=new Virtual(state,locality);
90 this.locality=locality;
91 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
92 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
93 this.wb=new WriteBarrier(locality, st);
95 if (state.SINGLETM&&state.DCOPTS) {
96 TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
97 this.dc=new DiscoverConflicts(locality, st, typeanalysis);
102 /** The buildCode method outputs C code for all the methods. The Flat
103 * versions of the methods must already be generated and stored in
104 * the State object. */
106 public void buildCode() {
107 /* Create output streams to write to */
108 PrintWriter outclassdefs=null;
109 PrintWriter outstructs=null;
110 PrintWriter outrepairstructs=null;
111 PrintWriter outmethodheader=null;
112 PrintWriter outmethod=null;
113 PrintWriter outvirtual=null;
114 PrintWriter outtask=null;
115 PrintWriter outtaskdefs=null;
116 PrintWriter outoptionalarrays=null;
117 PrintWriter optionalheaders=null;
120 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
121 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
122 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
123 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
124 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
126 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
127 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
128 if (state.OPTIONAL) {
129 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
130 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
133 if (state.structfile!=null) {
134 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
136 } catch (Exception e) {
141 /* Build the virtual dispatch tables */
142 buildVirtualTables(outvirtual);
144 /* Output includes */
145 outmethodheader.println("#ifndef METHODHEADERS_H");
146 outmethodheader.println("#define METHODHEADERS_H");
147 outmethodheader.println("#include \"structdefs.h\"");
149 outmethodheader.println("#include \"dstm.h\"");
151 outmethodheader.println("#include \"tm.h\"");
152 if (state.ABORTREADERS) {
153 outmethodheader.println("#include \"abortreaders.h\"");
154 outmethodheader.println("#include <setjmp.h>");
157 /* Output Structures */
158 outputStructs(outstructs);
160 // Output the C class declarations
161 // These could mutually reference each other
162 outputClassDeclarations(outclassdefs);
164 // Output function prototypes and structures for parameters
165 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
166 while(it.hasNext()) {
167 ClassDescriptor cn=(ClassDescriptor)it.next();
168 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
170 outclassdefs.close();
173 /* Map flags to integers */
174 /* The runtime keeps track of flags using these integers */
175 it=state.getClassSymbolTable().getDescriptorsIterator();
176 while(it.hasNext()) {
177 ClassDescriptor cn=(ClassDescriptor)it.next();
181 generateTaskStructs(outstructs, outmethodheader);
183 /* Outputs generic task structures if this is a task
185 outputTaskTypes(outtask);
188 /* Build the actual methods */
189 outputMethods(outmethod);
191 // Output function prototypes and structures for SESE's and code
194 for(Iterator<FlatSESEEnterNode> seseit=mlpa.getAllSESEs().iterator();seseit.hasNext();) {
195 FlatSESEEnterNode fsen = seseit.next();
196 generateMethodSESE(fsen, null, outstructs, outmethodheader, outmethod);
201 /* Output code for tasks */
202 outputTaskCode(outtaskdefs, outmethod);
204 /* Record maximum number of task parameters */
205 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
206 } else if (state.main!=null) {
207 /* Generate main method */
208 outputMainMethod(outmethod);
211 /* Generate information for task with optional parameters */
212 if (state.TASK&&state.OPTIONAL) {
213 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
214 outoptionalarrays.close();
217 /* Output structure definitions for repair tool */
218 if (state.structfile!=null) {
219 buildRepairStructs(outrepairstructs);
220 outrepairstructs.close();
224 outmethodheader.println("#endif");
225 outmethodheader.close();
227 outstructs.println("#endif");
232 /* This code just generates the main C method for java programs.
233 * The main C method packs up the arguments into a string array
234 * and passes it to the java main method. */
236 private void outputMainMethod(PrintWriter outmethod) {
237 outmethod.println("int main(int argc, const char *argv[]) {");
238 outmethod.println(" int i;");
240 outmethod.println("#ifdef TRANSSTATS \n");
241 outmethod.println("handle();\n");
242 outmethod.println("#endif\n");
244 if (state.THREAD||state.DSM||state.SINGLETM) {
245 outmethod.println("initializethreads();");
248 outmethod.println("if (dstmStartup(argv[1])) {");
249 if (GENERATEPRECISEGC) {
250 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
252 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
255 if (GENERATEPRECISEGC) {
256 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
258 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
262 outmethod.println(" for(i=2;i<argc;i++) {");
264 outmethod.println(" for(i=1;i<argc;i++) {");
265 outmethod.println(" int length=strlen(argv[i]);");
266 if (GENERATEPRECISEGC) {
267 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
269 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
272 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
274 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
275 outmethod.println(" }");
278 MethodDescriptor md=typeutil.getMain();
279 ClassDescriptor cd=typeutil.getMainClass();
281 outmethod.println(" {");
282 if (GENERATEPRECISEGC) {
283 if (state.DSM||state.SINGLETM) {
284 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
286 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
287 outmethod.println("1, NULL,"+"stringarray};");
288 if (state.DSM||state.SINGLETM)
289 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
291 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
293 if (state.DSM||state.SINGLETM)
294 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
296 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
298 outmethod.println(" }");
301 outmethod.println("}");
304 if (state.THREAD||state.DSM||state.SINGLETM) {
305 outmethod.println("pthread_mutex_lock(&gclistlock);");
306 outmethod.println("threadcount--;");
307 outmethod.println("pthread_cond_signal(&gccond);");
308 outmethod.println("pthread_mutex_unlock(&gclistlock);");
311 if (state.DSM||state.SINGLETM) {
312 outmethod.println("#ifdef TRANSSTATS \n");
313 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
314 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
315 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
316 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
318 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
319 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
320 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
321 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
322 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
323 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
324 } else if (state.SINGLETM) {
325 outmethod.println("printf(\"nSoftAbortAbort= %d\\n\", nSoftAbortAbort);");
326 outmethod.println("printf(\"nSoftAbortCommit= %d\\n\", nSoftAbortCommit);");
327 outmethod.println("#ifdef STMSTATS\n");
328 outmethod.println("for(i=0; i<TOTALNUMCLASSANDARRAY; i++) {\n");
329 outmethod.println(" printf(\"typesCausingAbort[%d]= %d\\n\", i, typesCausingAbort[i]);\n");
330 outmethod.println("}\n");
331 outmethod.println("#endif\n");
332 outmethod.println("fflush(stdout);");
334 outmethod.println("#endif\n");
337 if (state.THREAD||state.SINGLETM)
338 outmethod.println("pthread_exit(NULL);");
340 outmethod.println("}");
344 /* This method outputs code for each task. */
346 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
347 /* Compile task based program */
348 outtaskdefs.println("#include \"task.h\"");
349 outtaskdefs.println("#include \"methodheaders.h\"");
350 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
351 while(taskit.hasNext()) {
352 TaskDescriptor td=(TaskDescriptor)taskit.next();
353 FlatMethod fm=state.getMethodFlat(td);
354 generateFlatMethod(fm, null, outmethod);
355 generateTaskDescriptor(outtaskdefs, fm, td);
358 //Output task descriptors
359 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
360 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
362 while(taskit.hasNext()) {
363 TaskDescriptor td=(TaskDescriptor)taskit.next();
367 outtaskdefs.println(",");
368 outtaskdefs.print("&task_"+td.getSafeSymbol());
370 outtaskdefs.println("};");
372 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
375 /* This method outputs most of the methods.c file. This includes
376 * some standard includes and then an array with the sizes of
377 * objets and array that stores supertype and then the code for
378 * the Java methods.. */
380 protected void outputMethods(PrintWriter outmethod) {
381 outmethod.println("#include \"methodheaders.h\"");
382 outmethod.println("#include \"virtualtable.h\"");
383 outmethod.println("#include \"runtime.h\"");
385 outmethod.println("#include \"addPrefetchEnhance.h\"");
386 outmethod.println("#include \"localobjects.h\"");
388 if (state.FASTCHECK) {
389 outmethod.println("#include \"localobjects.h\"");
391 if(state.MULTICORE) {
392 outmethod.println("#include \"task.h\"");
393 outmethod.println("#include \"multicoreruntime.h\"");
394 outmethod.println("#include \"runtime_arch.h\"");
396 if (state.THREAD||state.DSM||state.SINGLETM)
397 outmethod.println("#include <thread.h>");
398 if (state.main!=null) {
399 outmethod.println("#include <string.h>");
401 if (state.CONSCHECK) {
402 outmethod.println("#include \"checkers.h\"");
405 outmethod.println("#include \"mlp_runtime.h\"");
408 //Store the sizes of classes & array elements
409 generateSizeArray(outmethod);
411 //Store table of supertypes
412 generateSuperTypeTable(outmethod);
414 //Store the layout of classes
415 generateLayoutStructs(outmethod);
417 /* Generate code for methods */
418 if (state.DSM||state.SINGLETM) {
419 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
420 LocalityBinding lb=lbit.next();
421 MethodDescriptor md=lb.getMethod();
422 FlatMethod fm=state.getMethodFlat(md);
424 if (!md.getModifiers().isNative()) {
425 generateFlatMethod(fm, lb, outmethod);
429 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
430 while(classit.hasNext()) {
431 ClassDescriptor cn=(ClassDescriptor)classit.next();
432 if(state.MULTICORE) {
433 if(cn.getSymbol().equals("Math")) {
437 Iterator methodit=cn.getMethods();
438 while(methodit.hasNext()) {
439 /* Classify parameters */
440 MethodDescriptor md=(MethodDescriptor)methodit.next();
441 FlatMethod fm=state.getMethodFlat(md);
442 if (!md.getModifiers().isNative()) {
443 generateFlatMethod(fm, null, outmethod);
450 protected void outputStructs(PrintWriter outstructs) {
451 outstructs.println("#ifndef STRUCTDEFS_H");
452 outstructs.println("#define STRUCTDEFS_H");
453 outstructs.println("#include \"classdefs.h\"");
454 outstructs.println("#ifndef INTPTR");
455 outstructs.println("#ifdef BIT64");
456 outstructs.println("#define INTPTR long");
457 outstructs.println("#else");
458 outstructs.println("#define INTPTR int");
459 outstructs.println("#endif");
460 outstructs.println("#endif");
462 /* Output #defines that the runtime uses to determine type
463 * numbers for various objects it needs */
464 outstructs.println("#define MAXCOUNT "+maxcount);
465 if (state.DSM||state.SINGLETM) {
466 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
468 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
469 else if (state.SINGLETM)
470 lb.setGlobalThis(LocalityAnalysis.NORMAL);
471 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
474 outstructs.println("#define STRINGARRAYTYPE "+
475 (state.getArrayNumber(
476 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
478 outstructs.println("#define OBJECTARRAYTYPE "+
479 (state.getArrayNumber(
480 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
483 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
484 outstructs.println("#define CHARARRAYTYPE "+
485 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
487 outstructs.println("#define BYTEARRAYTYPE "+
488 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
490 outstructs.println("#define BYTEARRAYARRAYTYPE "+
491 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
493 outstructs.println("#define NUMCLASSES "+state.numClasses());
494 int totalClassSize = state.numClasses() + state.numArrays();
495 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
497 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
498 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
499 outstructs.println("#define TAGARRAYTYPE "+
500 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
504 protected void outputClassDeclarations(PrintWriter outclassdefs) {
505 if (state.THREAD||state.DSM||state.SINGLETM)
506 outclassdefs.println("#include <pthread.h>");
507 outclassdefs.println("#ifndef INTPTR");
508 outclassdefs.println("#ifdef BIT64");
509 outclassdefs.println("#define INTPTR long");
510 outclassdefs.println("#else");
511 outclassdefs.println("#define INTPTR int");
512 outclassdefs.println("#endif");
513 outclassdefs.println("#endif");
515 outclassdefs.println("#include \"optionalstruct.h\"");
516 outclassdefs.println("struct "+arraytype+";");
517 /* Start by declaring all structs */
518 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
519 while(it.hasNext()) {
520 ClassDescriptor cn=(ClassDescriptor)it.next();
521 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
523 outclassdefs.println("");
524 //Print out definition for array type
525 outclassdefs.println("struct "+arraytype+" {");
526 outclassdefs.println(" int type;");
528 outclassdefs.println(" pthread_t tid;");
529 outclassdefs.println(" void * lockentry;");
530 outclassdefs.println(" int lockcount;");
533 outclassdefs.println(" int flag;");
534 if(!state.MULTICORE) {
535 outclassdefs.println(" void * flagptr;");
537 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
538 outclassdefs.println(" int version;");
539 outclassdefs.println(" struct ___Object___ * original;");
540 //outclassdefs.println(" int numlocks;"); // array for locks
541 outclassdefs.println(" int * lock;");
544 outclassdefs.println(" int numfses;");
545 outclassdefs.println(" int * fses;");
548 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
550 outclassdefs.println(" int ___length___;");
551 outclassdefs.println("};\n");
552 outclassdefs.println("extern int classsize[];");
553 outclassdefs.println("extern int hasflags[];");
554 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
555 outclassdefs.println("extern int supertypes[];");
558 /** Prints out definitions for generic task structures */
560 private void outputTaskTypes(PrintWriter outtask) {
561 outtask.println("#ifndef _TASK_H");
562 outtask.println("#define _TASK_H");
563 outtask.println("struct parameterdescriptor {");
564 outtask.println("int type;");
565 outtask.println("int numberterms;");
566 outtask.println("int *intarray;");
567 outtask.println("void * queue;");
568 outtask.println("int numbertags;");
569 outtask.println("int *tagarray;");
570 outtask.println("};");
572 outtask.println("struct taskdescriptor {");
573 outtask.println("void * taskptr;");
574 outtask.println("int numParameters;");
575 outtask.println(" int numTotal;");
576 outtask.println("struct parameterdescriptor **descriptorarray;");
577 outtask.println("char * name;");
578 outtask.println("};");
579 outtask.println("extern struct taskdescriptor * taskarray[];");
580 outtask.println("extern numtasks;");
581 outtask.println("#endif");
585 private void buildRepairStructs(PrintWriter outrepairstructs) {
586 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
587 while(classit.hasNext()) {
588 ClassDescriptor cn=(ClassDescriptor)classit.next();
589 outrepairstructs.println("structure "+cn.getSymbol()+" {");
590 outrepairstructs.println(" int __type__;");
592 outrepairstructs.println(" int __flag__;");
593 if(!state.MULTICORE) {
594 outrepairstructs.println(" int __flagptr__;");
597 printRepairStruct(cn, outrepairstructs);
598 outrepairstructs.println("}\n");
601 for(int i=0; i<state.numArrays(); i++) {
602 TypeDescriptor tdarray=arraytable[i];
603 TypeDescriptor tdelement=tdarray.dereference();
604 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
605 outrepairstructs.println(" int __type__;");
606 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
607 outrepairstructs.println(" int length;");
609 // Need to add support to repair tool for this
610 if (tdelement.isClass()||tdelement.isArray())
611 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
613 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
615 outrepairstructs.println("}\n");
619 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
620 ClassDescriptor sp=cn.getSuperDesc();
622 printRepairStruct(sp, output);
624 Vector fields=(Vector)fieldorder.get(cn);
626 for(int i=0; i<fields.size(); i++) {
627 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
628 if (fd.getType().isArray()) {
629 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
630 } else if (fd.getType().isClass())
631 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
632 else if (fd.getType().isFloat())
633 output.println(" int "+fd.getSymbol()+"; /* really float */");
635 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
639 /** This method outputs TaskDescriptor information */
640 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
641 for (int i=0; i<task.numParameters(); i++) {
642 VarDescriptor param_var=task.getParameter(i);
643 TypeDescriptor param_type=task.getParamType(i);
644 FlagExpressionNode param_flag=task.getFlag(param_var);
645 TagExpressionList param_tag=task.getTag(param_var);
648 if (param_flag==null) {
649 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
650 output.println("0x0, 0x0 };");
653 DNFFlag dflag=param_flag.getDNF();
654 dnfterms=dflag.size();
656 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
657 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
658 for(int j=0; j<dflag.size(); j++) {
661 Vector term=dflag.get(j);
664 for(int k=0; k<term.size(); k++) {
665 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
666 FlagDescriptor fd=dfa.getFlag();
667 boolean negated=dfa.getNegated();
668 int flagid=1<<((Integer)flags.get(fd)).intValue();
673 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
675 output.println("};");
678 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
679 //BUG...added next line to fix, test with any task program
681 for(int j=0; j<param_tag.numTags(); j++) {
684 /* for each tag we need */
685 /* which slot it is */
686 /* what type it is */
687 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
688 TempDescriptor tmp=param_tag.getTemp(j);
689 int slot=fm.getTagInt(tmp);
690 output.println(slot+", "+state.getTagId(tvd.getTag()));
692 output.println("};");
694 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
695 output.println("/* type */"+param_type.getClassDesc().getId()+",");
696 output.println("/* number of DNF terms */"+dnfterms+",");
697 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
698 output.println("0,");
699 //BUG, added next line to fix and else statement...test
700 //with any task program
702 output.println("/* number of tags */"+param_tag.numTags()+",");
704 output.println("/* number of tags */ 0,");
705 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
706 output.println("};");
710 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
711 for (int i=0; i<task.numParameters(); i++) {
714 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
716 output.println("};");
718 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
719 output.println("&"+task.getSafeSymbol()+",");
720 output.println("/* number of parameters */" +task.numParameters() + ",");
721 int numtotal=task.numParameters()+fm.numTags();
722 output.println("/* number total parameters */" +numtotal + ",");
723 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
724 output.println("\""+task.getSymbol()+"\"");
725 output.println("};");
729 /** The buildVirtualTables method outputs the virtual dispatch
730 * tables for methods. */
732 protected void buildVirtualTables(PrintWriter outvirtual) {
733 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
734 while(classit.hasNext()) {
735 ClassDescriptor cd=(ClassDescriptor)classit.next();
736 if (virtualcalls.getMethodCount(cd)>maxcount)
737 maxcount=virtualcalls.getMethodCount(cd);
739 MethodDescriptor[][] virtualtable=null;
740 LocalityBinding[][] lbvirtualtable=null;
741 if (state.DSM||state.SINGLETM)
742 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
744 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
746 /* Fill in virtual table */
747 classit=state.getClassSymbolTable().getDescriptorsIterator();
748 while(classit.hasNext()) {
749 ClassDescriptor cd=(ClassDescriptor)classit.next();
750 if (state.DSM||state.SINGLETM)
751 fillinRow(cd, lbvirtualtable, cd.getId());
753 fillinRow(cd, virtualtable, cd.getId());
756 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
757 Iterator arrayit=state.getArrayIterator();
758 while(arrayit.hasNext()) {
759 TypeDescriptor td=(TypeDescriptor)arrayit.next();
760 int id=state.getArrayNumber(td);
761 if (state.DSM||state.SINGLETM)
762 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
764 fillinRow(objectcd, virtualtable, id+state.numClasses());
767 outvirtual.print("void * virtualtable[]={");
768 boolean needcomma=false;
769 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
770 for(int j=0; j<maxcount; j++) {
772 outvirtual.print(", ");
773 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
774 LocalityBinding lb=lbvirtualtable[i][j];
775 MethodDescriptor md=lb.getMethod();
776 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
777 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
778 MethodDescriptor md=virtualtable[i][j];
779 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
781 outvirtual.print("0");
785 outvirtual.println("");
787 outvirtual.println("};");
791 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
792 /* Get inherited methods */
793 if (cd.getSuperDesc()!=null)
794 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
795 /* Override them with our methods */
796 for(Iterator it=cd.getMethods(); it.hasNext();) {
797 MethodDescriptor md=(MethodDescriptor)it.next();
798 if (md.isStatic()||md.getReturnType()==null)
800 int methodnum=virtualcalls.getMethodNumber(md);
801 virtualtable[rownum][methodnum]=md;
805 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
806 /* Get inherited methods */
807 if (cd.getSuperDesc()!=null)
808 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
809 /* Override them with our methods */
810 if (locality.getClassBindings(cd)!=null)
811 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
812 LocalityBinding lb=lbit.next();
813 MethodDescriptor md=lb.getMethod();
814 //Is the method static or a constructor
815 if (md.isStatic()||md.getReturnType()==null)
817 int methodnum=virtualcalls.getLocalityNumber(lb);
818 virtualtable[rownum][methodnum]=lb;
822 /** Generate array that contains the sizes of class objects. The
823 * object allocation functions in the runtime use this
826 private void generateSizeArray(PrintWriter outclassdefs) {
827 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
828 outclassdefs.print("#ifdef TRANSSTATS \n");
829 outclassdefs.print("extern int numTransAbort;\n");
830 outclassdefs.print("extern int numTransCommit;\n");
831 outclassdefs.print("extern int nSoftAbort;\n");
833 outclassdefs.print("extern int nchashSearch;\n");
834 outclassdefs.print("extern int nmhashSearch;\n");
835 outclassdefs.print("extern int nprehashSearch;\n");
836 outclassdefs.print("extern int nRemoteSend;\n");
837 outclassdefs.print("extern int bytesSent;\n");
838 outclassdefs.print("extern int bytesRecv;\n");
839 outclassdefs.print("extern void handle();\n");
840 } else if (state.SINGLETM) {
841 outclassdefs.println("extern int nSoftAbortAbort;");
842 outclassdefs.println("extern int nSoftAbortCommit;");
843 outclassdefs.println("#ifdef STMSTATS\n");
844 outclassdefs.println("extern int typesCausingAbort[];");
845 outclassdefs.println("#endif\n");
847 outclassdefs.print("#endif\n");
848 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
850 outclassdefs.print("int classsize[]={");
851 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
852 cdarray=new ClassDescriptor[state.numClasses()];
853 while(it.hasNext()) {
854 ClassDescriptor cd=(ClassDescriptor)it.next();
855 cdarray[cd.getId()]=cd;
857 boolean needcomma=false;
858 for(int i=0; i<state.numClasses(); i++) {
860 outclassdefs.print(", ");
861 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
866 arraytable=new TypeDescriptor[state.numArrays()];
868 Iterator arrayit=state.getArrayIterator();
869 while(arrayit.hasNext()) {
870 TypeDescriptor td=(TypeDescriptor)arrayit.next();
871 int id=state.getArrayNumber(td);
875 for(int i=0; i<state.numArrays(); i++) {
877 outclassdefs.print(", ");
878 TypeDescriptor tdelement=arraytable[i].dereference();
879 if (tdelement.isArray()||tdelement.isClass())
880 outclassdefs.print("sizeof(void *)");
882 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
886 outclassdefs.println("};");
888 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
890 outclassdefs.print("int typearray[]={");
891 for(int i=0; i<state.numClasses(); i++) {
892 ClassDescriptor cd=cdarray[i];
893 ClassDescriptor supercd=cd.getSuperDesc();
895 outclassdefs.print(", ");
897 outclassdefs.print("-1");
899 outclassdefs.print(supercd.getId());
903 for(int i=0; i<state.numArrays(); i++) {
904 TypeDescriptor arraytd=arraytable[i];
905 ClassDescriptor arraycd=arraytd.getClassDesc();
908 outclassdefs.print(", ");
909 outclassdefs.print(objectclass.getId());
913 ClassDescriptor cd=arraycd.getSuperDesc();
916 TypeDescriptor supertd=new TypeDescriptor(cd);
917 supertd.setArrayCount(arraytd.getArrayCount());
918 type=state.getArrayNumber(supertd);
920 type+=state.numClasses();
923 cd=cd.getSuperDesc();
926 outclassdefs.print(", ");
927 outclassdefs.print(type);
931 outclassdefs.println("};");
936 outclassdefs.print("int typearray2[]={");
937 for(int i=0; i<state.numArrays(); i++) {
938 TypeDescriptor arraytd=arraytable[i];
939 ClassDescriptor arraycd=arraytd.getClassDesc();
942 outclassdefs.print(", ");
943 outclassdefs.print("-1");
947 ClassDescriptor cd=arraycd.getSuperDesc();
948 int level=arraytd.getArrayCount()-1;
950 for(; level>0; level--) {
951 TypeDescriptor supertd=new TypeDescriptor(objectclass);
952 supertd.setArrayCount(level);
953 type=state.getArrayNumber(supertd);
955 type+=state.numClasses();
960 outclassdefs.print(", ");
961 outclassdefs.print(type);
965 outclassdefs.println("};");
968 /** Constructs params and temp objects for each method or task.
969 * These objects tell the compiler which temps need to be
972 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
973 MethodDescriptor md=fm.getMethod();
974 TaskDescriptor task=fm.getTask();
975 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
976 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
978 paramstable.put(lb, objectparams);
979 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
981 paramstable.put(md, objectparams);
983 paramstable.put(task, objectparams);
985 for(int i=0; i<fm.numParameters(); i++) {
986 TempDescriptor temp=fm.getParameter(i);
987 TypeDescriptor type=temp.getType();
988 if (type.isPtr()&&GENERATEPRECISEGC)
989 objectparams.addPtr(temp);
991 objectparams.addPrim(temp);
992 if(lb!=null&&saveset.contains(temp)) {
993 backuptable.get(lb).put(temp, temp.createNew());
997 for(int i=0; i<fm.numTags(); i++) {
998 TempDescriptor temp=fm.getTag(i);
999 if (GENERATEPRECISEGC)
1000 objectparams.addPtr(temp);
1002 objectparams.addPrim(temp);
1005 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1007 tempstable.put(lb, objecttemps);
1009 tempstable.put(md, objecttemps);
1011 tempstable.put(task, objecttemps);
1013 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
1014 FlatNode fn=(FlatNode)nodeit.next();
1015 TempDescriptor[] writes=fn.writesTemps();
1016 for(int i=0; i<writes.length; i++) {
1017 TempDescriptor temp=writes[i];
1018 TypeDescriptor type=temp.getType();
1019 if (type.isPtr()&&GENERATEPRECISEGC)
1020 objecttemps.addPtr(temp);
1022 objecttemps.addPrim(temp);
1023 if(lb!=null&&saveset.contains(temp)&&
1024 !backuptable.get(lb).containsKey(temp))
1025 backuptable.get(lb).put(temp, temp.createNew());
1029 /* Create backup temps */
1031 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
1032 TempDescriptor tmp=tmpit.next();
1033 TypeDescriptor type=tmp.getType();
1034 if (type.isPtr()&&GENERATEPRECISEGC)
1035 objecttemps.addPtr(tmp);
1037 objecttemps.addPrim(tmp);
1039 /* Create temp to hold revert table */
1040 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
1041 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
1042 if (GENERATEPRECISEGC)
1043 objecttemps.addPtr(reverttmp);
1045 objecttemps.addPrim(reverttmp);
1046 reverttable.put(lb, reverttmp);
1051 /** This method outputs the following information about classes
1053 * (1) For classes, what are the locations of pointers.
1054 * (2) For arrays, does the array contain pointers or primitives.
1055 * (3) For classes, does the class contain flags.
1058 private void generateLayoutStructs(PrintWriter output) {
1059 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1060 while(it.hasNext()) {
1061 ClassDescriptor cn=(ClassDescriptor)it.next();
1062 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1063 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1065 while(allit.hasNext()) {
1066 FieldDescriptor fd=(FieldDescriptor)allit.next();
1067 TypeDescriptor type=fd.getType();
1068 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1073 output.print(count);
1074 allit=cn.getFieldTable().getAllDescriptorsIterator();
1075 while(allit.hasNext()) {
1076 FieldDescriptor fd=(FieldDescriptor)allit.next();
1077 TypeDescriptor type=fd.getType();
1078 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1081 output.println(",");
1082 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
1085 output.println("};");
1087 output.println("unsigned INTPTR * pointerarray[]={");
1088 boolean needcomma=false;
1089 for(int i=0; i<state.numClasses(); i++) {
1090 ClassDescriptor cn=cdarray[i];
1092 output.println(",");
1094 output.print(cn.getSafeSymbol()+"_pointers");
1097 for(int i=0; i<state.numArrays(); i++) {
1099 output.println(", ");
1100 TypeDescriptor tdelement=arraytable[i].dereference();
1101 if (tdelement.isArray()||tdelement.isClass())
1102 output.print("((unsigned INTPTR *)1)");
1108 output.println("};");
1110 output.println("int hasflags[]={");
1111 for(int i=0; i<state.numClasses(); i++) {
1112 ClassDescriptor cn=cdarray[i];
1114 output.println(", ");
1121 output.println("};");
1124 /** Print out table to give us supertypes */
1125 private void generateSuperTypeTable(PrintWriter output) {
1126 output.println("int supertypes[]={");
1127 boolean needcomma=false;
1128 for(int i=0; i<state.numClasses(); i++) {
1129 ClassDescriptor cn=cdarray[i];
1131 output.println(",");
1133 if (cn.getSuperDesc()!=null) {
1134 ClassDescriptor cdsuper=cn.getSuperDesc();
1135 output.print(cdsuper.getId());
1139 output.println("};");
1142 /** Force consistent field ordering between inherited classes. */
1144 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
1146 ClassDescriptor sp=cn.getSuperDesc();
1148 printClassStruct(sp, classdefout);
1150 if (!fieldorder.containsKey(cn)) {
1151 Vector fields=new Vector();
1152 fieldorder.put(cn,fields);
1153 if (sp==null&&!state.TASK) {
1154 fields.add(cn.getFieldTable().get("cachedCode"));
1156 Iterator fieldit=cn.getFields();
1157 while(fieldit.hasNext()) {
1158 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
1159 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
1160 (!fd.getSymbol().equals("cachedCode")||state.TASK))
1164 Vector fields=(Vector)fieldorder.get(cn);
1166 for(int i=0; i<fields.size(); i++) {
1167 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1168 if (fd.getType().isClass()||fd.getType().isArray())
1169 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1171 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1176 /* Map flags to integers consistently between inherited
1179 protected void mapFlags(ClassDescriptor cn) {
1180 ClassDescriptor sp=cn.getSuperDesc();
1184 if (!flagorder.containsKey(cn)) {
1185 Hashtable flags=new Hashtable();
1186 flagorder.put(cn,flags);
1188 Hashtable superflags=(Hashtable)flagorder.get(sp);
1189 Iterator superflagit=superflags.keySet().iterator();
1190 while(superflagit.hasNext()) {
1191 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1192 Integer number=(Integer)superflags.get(fd);
1193 flags.put(fd, number);
1194 if ((number.intValue()+1)>max)
1195 max=number.intValue()+1;
1199 Iterator flagit=cn.getFlags();
1200 while(flagit.hasNext()) {
1201 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1202 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1203 flags.put(fd, new Integer(max++));
1209 /** This function outputs (1) structures that parameters are
1210 * passed in (when PRECISE GC is enabled) and (2) function
1211 * prototypes for the methods */
1213 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1214 /* Output class structure */
1215 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1216 classdefout.println(" int type;");
1218 classdefout.println(" pthread_t tid;");
1219 classdefout.println(" void * lockentry;");
1220 classdefout.println(" int lockcount;");
1224 classdefout.println(" int flag;");
1225 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1226 classdefout.println(" void * flagptr;");
1227 } else if (state.MULTICORE) {
1228 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1229 classdefout.println(" int version;");
1230 classdefout.println(" struct ___Object___ * original;");
1231 //classdefout.println(" int numlocks;"); // array for locks
1232 classdefout.println(" int * lock;");
1234 if (state.OPTIONAL) {
1235 classdefout.println(" int numfses;");
1236 classdefout.println(" int * fses;");
1239 printClassStruct(cn, classdefout);
1240 classdefout.println("};\n");
1242 if (state.DSM||state.SINGLETM) {
1243 /* Cycle through LocalityBindings */
1244 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1245 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1247 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1248 LocalityBinding lb=lbit.next();
1249 MethodDescriptor md=lb.getMethod();
1250 if (md.getModifiers().isNative()) {
1251 //make sure we only print a native method once
1252 if (nativemethods.contains(md)) {
1253 FlatMethod fm=state.getMethodFlat(md);
1254 generateTempStructs(fm, lb);
1257 nativemethods.add(md);
1259 generateMethod(cn, md, lb, headersout, output);
1262 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1263 MethodDescriptor md=(MethodDescriptor)methodit.next();
1264 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1265 //Need to build param structure for library code
1266 FlatMethod fm=state.getMethodFlat(md);
1267 generateTempStructs(fm, null);
1268 generateMethodParam(cn, md, null, output);
1273 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1274 MethodDescriptor md=(MethodDescriptor)methodit.next();
1275 generateMethod(cn, md, null, headersout, output);
1279 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1280 /* Output parameter structure */
1281 if (GENERATEPRECISEGC) {
1282 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1283 if ((state.DSM||state.SINGLETM)&&lb!=null)
1284 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1286 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1287 output.println(" INTPTR size;");
1288 output.println(" void * next;");
1289 for(int i=0; i<objectparams.numPointers(); i++) {
1290 TempDescriptor temp=objectparams.getPointer(i);
1291 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1293 output.println("};\n");
1298 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1299 FlatMethod fm=state.getMethodFlat(md);
1300 generateTempStructs(fm, lb);
1302 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1303 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1305 generateMethodParam(cn, md, lb, output);
1307 /* Output temp structure */
1308 if (GENERATEPRECISEGC) {
1309 if (state.DSM||state.SINGLETM)
1310 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1312 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1313 output.println(" INTPTR size;");
1314 output.println(" void * next;");
1315 for(int i=0; i<objecttemps.numPointers(); i++) {
1316 TempDescriptor temp=objecttemps.getPointer(i);
1317 if (temp.getType().isNull())
1318 output.println(" void * "+temp.getSafeSymbol()+";");
1320 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1322 output.println("};\n");
1325 /********* Output method declaration ***********/
1326 if (state.DSM||state.SINGLETM) {
1327 headersout.println("#define D"+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1329 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1331 /* First the return type */
1332 if (md.getReturnType()!=null) {
1333 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1334 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1336 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1338 //catch the constructor case
1339 headersout.print("void ");
1341 /* Next the method name */
1342 if (state.DSM||state.SINGLETM) {
1343 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1345 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1347 boolean printcomma=false;
1348 if (GENERATEPRECISEGC) {
1349 if (state.DSM||state.SINGLETM) {
1350 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1352 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1356 /* Output parameter list*/
1357 for(int i=0; i<objectparams.numPrimitives(); i++) {
1358 TempDescriptor temp=objectparams.getPrimitive(i);
1360 headersout.print(", ");
1362 if (temp.getType().isClass()||temp.getType().isArray())
1363 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1365 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1367 headersout.println(");\n");
1371 /** This function outputs (1) structures that parameters are
1372 * passed in (when PRECISE GC is enabled) and (2) function
1373 * prototypes for the tasks */
1375 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1376 /* Cycle through tasks */
1377 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1379 while(taskit.hasNext()) {
1380 /* Classify parameters */
1381 TaskDescriptor task=(TaskDescriptor)taskit.next();
1382 FlatMethod fm=state.getMethodFlat(task);
1383 generateTempStructs(fm, null);
1385 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1386 TempObject objecttemps=(TempObject) tempstable.get(task);
1388 /* Output parameter structure */
1389 if (GENERATEPRECISEGC) {
1390 output.println("struct "+task.getSafeSymbol()+"_params {");
1392 output.println(" INTPTR size;");
1393 output.println(" void * next;");
1394 for(int i=0; i<objectparams.numPointers(); i++) {
1395 TempDescriptor temp=objectparams.getPointer(i);
1396 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1399 output.println("};\n");
1400 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1401 maxtaskparams=objectparams.numPointers()+fm.numTags();
1405 /* Output temp structure */
1406 if (GENERATEPRECISEGC) {
1407 output.println("struct "+task.getSafeSymbol()+"_locals {");
1408 output.println(" INTPTR size;");
1409 output.println(" void * next;");
1410 for(int i=0; i<objecttemps.numPointers(); i++) {
1411 TempDescriptor temp=objecttemps.getPointer(i);
1412 if (temp.getType().isNull())
1413 output.println(" void * "+temp.getSafeSymbol()+";");
1414 else if(temp.getType().isTag())
1415 output.println(" struct "+
1416 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1418 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1420 output.println("};\n");
1423 /* Output task declaration */
1424 headersout.print("void " + task.getSafeSymbol()+"(");
1426 boolean printcomma=false;
1427 if (GENERATEPRECISEGC) {
1428 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1430 headersout.print("void * parameterarray[]");
1431 headersout.println(");\n");
1435 /***** Generate code for FlatMethod fm. *****/
1437 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1438 if (State.PRINTFLAT)
1439 System.out.println(fm.printMethod());
1440 MethodDescriptor md=fm.getMethod();
1442 TaskDescriptor task=fm.getTask();
1444 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1446 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1447 generateHeader(fm, lb, md!=null ? md : task,output);
1448 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1450 if (GENERATEPRECISEGC) {
1451 if (md!=null&&(state.DSM||state.SINGLETM))
1452 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1453 else if (md!=null&&!(state.DSM||state.SINGLETM))
1454 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1456 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1458 output.print(objecttemp.numPointers()+",");
1459 output.print(paramsprefix);
1460 for(int j=0; j<objecttemp.numPointers(); j++)
1461 output.print(", NULL");
1462 output.println("};");
1465 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1466 TempDescriptor td=objecttemp.getPrimitive(i);
1467 TypeDescriptor type=td.getType();
1469 output.println(" void * "+td.getSafeSymbol()+";");
1470 else if (type.isClass()||type.isArray())
1471 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1473 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1476 /* Check to see if we need to do a GC if this is a
1477 * multi-threaded program...*/
1479 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1480 //Don't bother if we aren't in recursive methods...The loops case will catch it
1481 if (callgraph.getAllMethods(md).contains(md)) {
1482 if (state.DSM&&lb.isAtomic())
1483 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1485 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1489 generateCode(fm.getNext(0), fm, lb, null, output);
1491 output.println("}\n\n");
1494 /***** Generate code for FlatMethod fm. *****/
1496 private void generateFlatMethodSESE(FlatMethod fm,
1498 FlatSESEEnterNode seseEnter,
1499 FlatSESEExitNode seseExit,
1503 MethodDescriptor md=fm.getMethod();
1504 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
1505 //generateHeader(fm, lb, md);
1506 TempObject objecttemp=(TempObject) tempstable.get(md);
1510 if (GENERATEPRECISEGC) {
1511 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1512 output.print(objecttemp.numPointers()+",");
1513 output.print(paramsprefix);
1514 for(int j=0; j<objecttemp.numPointers(); j++)
1515 output.print(", NULL");
1516 output.println("};");
1521 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1522 TempDescriptor td=objecttemp.getPrimitive(i);
1523 TypeDescriptor type=td.getType();
1525 output.println(" void * "+td.getSafeSymbol()+";");
1526 else if (type.isClass()||type.isArray())
1527 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1529 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1533 /* Check to see if we need to do a GC if this is a
1534 * multi-threaded program...*/
1537 if (GENERATEPRECISEGC) {
1538 //Don't bother if we aren't in recursive methods...The loops case will catch it
1539 if (callgraph.getAllMethods(md).contains(md)) {
1540 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1545 //generateCode(seseEnter, getNext(0), fm, null, seseExit, output);
1547 //output.println("}\n\n");
1550 protected void generateMethodSESE(FlatSESEEnterNode fsen,
1552 PrintWriter outputStructs,
1553 PrintWriter outputMethHead,
1554 PrintWriter outputMethods
1558 FlatMethod fm = fsen.getEnclosingFlatMeth();
1559 MethodDescriptor md = fm.getMethod();
1560 ClassDescriptor cn = md.getClassDesc();
1563 //Creates bogus method descriptor to index into tables
1564 Modifiers bogusmod=new Modifiers();
1565 MethodDescriptor bogusmd=new MethodDescriptor(bogusmod, new TypeDescriptor(TypeDescriptor.VOID), fsen.getIdentifier());
1566 FlatMethod bogusfm=new FlatMethod(bogusmd, null);
1568 //Build paramsobj for bogus method descriptor
1569 ParamsObject objectparams=new ParamsObject(bogusmd, tag++);
1570 paramstable.put(bogusmd, objectparams);
1572 for(int i=0; i<fsen.numParameters(); i++) {
1573 TempDescriptor temp=fsen.getParameter(i);
1574 TypeDescriptor type=temp.getType();
1575 if (type.isPtr()&&GENERATEPRECISEGC)
1576 objectparams.addPtr(temp);
1578 objectparams.addPrim(temp);
1581 //Build normal temp object for bogus method descriptor
1583 TempObject objecttemps=new TempObject(objectparams,bogusmd,tag++);
1584 tempstable.put(bogusmd, objecttemps);
1586 for(Iterator nodeit=fsen.getNodeSet().iterator(); nodeit.hasNext();) {
1587 FlatNode fn=(FlatNode)nodeit.next();
1588 TempDescriptor[] writes=fn.writesTemps();
1589 for(int i=0; i<writes.length; i++) {
1590 TempDescriptor temp=writes[i];
1591 TypeDescriptor type=temp.getType();
1592 if (type.isPtr()&&GENERATEPRECISEGC)
1593 objecttemps.addPtr(temp);
1595 objecttemps.addPrim(temp);
1599 //Generate code for parameters structure
1601 generateMethodParam(cn, bogusmd, null, outputStructs);
1603 //Generate code for locals structure
1604 outputStructs.println("struct "+cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"_"+bogusmd.getSafeMethodDescriptor()+"_locals {");
1605 outputStructs.println(" INTPTR size;");
1606 outputStructs.println(" void * next;");
1607 for(int i=0; i<objecttemps.numPointers(); i++) {
1608 TempDescriptor temp=objecttemps.getPointer(i);
1609 if (temp.getType().isNull())
1610 outputStructs.println(" void * "+temp.getSafeSymbol()+";");
1612 outputStructs.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1614 outputStructs.println("};\n");
1616 //Ready to build code at this point
1618 headersout.print("void ");
1620 // Next the method name
1621 headersout.print(cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"_"+bogusmd.getSafeMethodDescriptor()+"(");
1623 boolean printcomma=false;
1624 if (GENERATEPRECISEGC) {
1625 headersout.print("struct "+cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"_"+bogusmd.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1629 // Output parameter list
1630 for(int i=0; i<objectparams.numPrimitives(); i++) {
1631 TempDescriptor temp=objectparams.getPrimitive(i);
1633 headersout.print(", ");
1635 if (temp.getType().isClass()||temp.getType().isArray())
1636 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1638 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1640 headersout.println(");\n");
1642 generateFlatMethodSESE(bogusfm, cn, fsen, fsen.getFlatExit(), output?????????);
1647 protected void generateCode(FlatNode first,
1650 FlatSESEExitNode stop,
1651 PrintWriter output) {
1653 /* Assign labels to FlatNode's if necessary.*/
1654 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(first);
1656 /* Do the actual code generation */
1657 FlatNode current_node=null;
1658 HashSet tovisit=new HashSet();
1659 HashSet visited=new HashSet();
1661 while(current_node!=null||!tovisit.isEmpty()) {
1662 if (current_node==null) {
1663 current_node=(FlatNode)tovisit.iterator().next();
1664 tovisit.remove(current_node);
1665 } else if (tovisit.contains(current_node)) {
1666 tovisit.remove(current_node);
1668 if(current_node==stop) {
1671 visited.add(current_node);
1672 if (nodetolabel.containsKey(current_node))
1673 output.println("L"+nodetolabel.get(current_node)+":");
1674 if (state.INSTRUCTIONFAILURE) {
1675 if (state.THREAD||state.DSM||state.SINGLETM) {
1676 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1678 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1680 if (current_node.numNext()==0) {
1682 generateFlatNode(fm, lb, current_node, output);
1683 if (current_node.kind()!=FKind.FlatReturnNode) {
1684 output.println(" return;");
1687 } else if(current_node.numNext()==1) {
1689 if (state.MLP && current_node.kind()==FKind.FlatSESEEnterNode) {
1690 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
1691 nextnode=fsen.getFlatExit().getNext(0);
1694 generateFlatNode(fm, lb, current_node, output);
1695 nextnode=current_node.getNext(0);
1697 if (visited.contains(nextnode)) {
1698 output.println("goto L"+nodetolabel.get(nextnode)+";");
1701 current_node=nextnode;
1702 } else if (current_node.numNext()==2) {
1705 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1706 if (!visited.contains(current_node.getNext(1)))
1707 tovisit.add(current_node.getNext(1));
1708 if (visited.contains(current_node.getNext(0))) {
1709 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1712 current_node=current_node.getNext(0);
1713 } else throw new Error();
1718 /** This method assigns labels to FlatNodes */
1720 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first) {
1721 HashSet tovisit=new HashSet();
1722 HashSet visited=new HashSet();
1724 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1727 /*Assign labels first. A node needs a label if the previous
1728 * node has two exits or this node is a join point. */
1730 while(!tovisit.isEmpty()) {
1731 FlatNode fn=(FlatNode)tovisit.iterator().next();
1734 for(int i=0; i<fn.numNext(); i++) {
1735 FlatNode nn=fn.getNext(i);
1737 //1) Edge >1 of node
1738 nodetolabel.put(nn,new Integer(labelindex++));
1740 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1744 nodetolabel.put(nn,new Integer(labelindex++));
1752 /** Generate text string that corresponds to the TempDescriptor td. */
1753 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1754 MethodDescriptor md=fm.getMethod();
1755 TaskDescriptor task=fm.getTask();
1756 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1758 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1759 //System.out.println("generateTemp returns " + td.getSafeSymbol());
1760 return td.getSafeSymbol();
1763 if (objecttemps.isLocalPtr(td)) {
1764 return localsprefix+"."+td.getSafeSymbol();
1767 if (objecttemps.isParamPtr(td)) {
1768 return paramsprefix+"->"+td.getSafeSymbol();
1774 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1776 case FKind.FlatAtomicEnterNode:
1777 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1780 case FKind.FlatAtomicExitNode:
1781 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1784 case FKind.FlatInstanceOfNode:
1785 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
1788 case FKind.FlatSESEEnterNode:
1792 case FKind.FlatSESEExitNode:
1796 case FKind.FlatGlobalConvNode:
1797 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1800 case FKind.FlatTagDeclaration:
1801 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1804 case FKind.FlatCall:
1805 generateFlatCall(fm, lb, (FlatCall) fn,output);
1808 case FKind.FlatFieldNode:
1809 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1812 case FKind.FlatElementNode:
1813 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1816 case FKind.FlatSetElementNode:
1817 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1820 case FKind.FlatSetFieldNode:
1821 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1825 generateFlatNew(fm, lb, (FlatNew) fn,output);
1828 case FKind.FlatOpNode:
1829 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1832 case FKind.FlatCastNode:
1833 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1836 case FKind.FlatLiteralNode:
1837 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1840 case FKind.FlatReturnNode:
1841 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1845 output.println("/* nop */");
1848 case FKind.FlatExit:
1849 output.println("/* exit */");
1852 case FKind.FlatBackEdge:
1853 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1854 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1855 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1857 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1859 output.println("/* nop */");
1862 case FKind.FlatCheckNode:
1863 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1866 case FKind.FlatFlagActionNode:
1867 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1870 case FKind.FlatPrefetchNode:
1871 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1874 case FKind.FlatOffsetNode:
1875 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
1881 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
1882 output.println("/* FlatOffsetNode */");
1883 FieldDescriptor fd=fofn.getField();
1884 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+");");
1885 output.println("/* offset */");
1888 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1889 if (state.PREFETCH) {
1890 Vector oids = new Vector();
1891 Vector fieldoffset = new Vector();
1892 Vector endoffset = new Vector();
1893 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1894 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
1895 PrefetchPair pp = (PrefetchPair) it.next();
1896 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1897 /* Find prefetches that can generate oid */
1898 if(statusbase == LocalityAnalysis.GLOBAL) {
1899 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1901 } else if (statusbase == LocalityAnalysis.LOCAL) {
1902 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1909 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
1910 output.println("{");
1911 output.println("/* prefetch */");
1912 output.println("/* prefetchid_" + fpn.siteid + " */");
1913 output.println("void * prefptr;");
1914 output.println("int tmpindex;");
1916 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1917 /*Create C code for oid array */
1918 output.print(" unsigned int oidarray_[] = {");
1919 boolean needcomma=false;
1920 for (Iterator it = oids.iterator(); it.hasNext();) {
1923 output.print(it.next());
1926 output.println("};");
1928 /*Create C code for endoffset values */
1929 output.print(" unsigned short endoffsetarry_[] = {");
1931 for (Iterator it = endoffset.iterator(); it.hasNext();) {
1934 output.print(it.next());
1937 output.println("};");
1939 /*Create C code for Field Offset Values */
1940 output.print(" short fieldarry_[] = {");
1942 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
1945 output.print(it.next());
1948 output.println("};");
1949 /* make the prefetch call to Runtime */
1950 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1951 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1952 output.println(" }");
1953 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1954 output.println(" } else {");
1955 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1956 output.println(" }");
1957 output.println("}");
1961 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1962 short offsetcount = 0;
1966 } else if (localbase) {
1967 for(; breakindex<pp.desc.size(); breakindex++) {
1968 Descriptor desc=pp.getDescAt(breakindex);
1969 if (desc instanceof FieldDescriptor) {
1970 FieldDescriptor fd=(FieldDescriptor)desc;
1971 if (fd.isGlobal()) {
1979 if (breakindex>pp.desc.size()) //all local
1982 TypeDescriptor lasttype=pp.base.getType();
1983 String basestr=generateTemp(fm, pp.base, lb);
1985 boolean maybenull=fm.getMethod().isStatic()||
1986 !pp.base.equals(fm.getParameter(0));
1988 for(int i=0; i<breakindex; i++) {
1989 String indexcheck="";
1991 Descriptor desc=pp.getDescAt(i);
1992 if (desc instanceof FieldDescriptor) {
1993 FieldDescriptor fd=(FieldDescriptor)desc;
1995 if (!teststr.equals(""))
1997 teststr+="((prefptr="+basestr+")!=NULL)";
1998 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
2000 basestr=basestr+"->"+fd.getSafeSymbol();
2003 lasttype=fd.getType();
2005 IndexDescriptor id=(IndexDescriptor)desc;
2006 indexcheck="((tmpindex=";
2007 for(int j=0; j<id.tddesc.size(); j++) {
2008 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
2010 indexcheck+=id.offset+")>=0)&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
2012 if (!teststr.equals(""))
2014 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
2015 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
2017 lasttype=lasttype.dereference();
2022 if (teststr.equals("")) {
2023 oid="((unsigned int)"+basestr+")";
2025 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
2029 for(int i = breakindex; i < pp.desc.size(); i++) {
2030 String newfieldoffset;
2031 Object desc = pp.getDescAt(i);
2032 if(desc instanceof FieldDescriptor) {
2033 FieldDescriptor fd=(FieldDescriptor)desc;
2034 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
2035 lasttype=fd.getType();
2037 newfieldoffset = "";
2038 IndexDescriptor id=(IndexDescriptor)desc;
2039 for(int j = 0; j < id.tddesc.size(); j++) {
2040 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
2042 newfieldoffset += id.offset.toString();
2043 lasttype=lasttype.dereference();
2045 fieldoffset.add(newfieldoffset);
2048 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
2049 base+=pp.desc.size()-breakindex;
2050 endoffset.add(new Short((short)base));
2055 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
2056 if (lb!=fgcn.getLocality())
2058 /* Have to generate flat globalconv */
2059 if (fgcn.getMakePtr()) {
2061 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
2063 if ((dc==null)||dc.getNeedTrans(lb, fgcn)) {
2064 //need to do translation
2065 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+", (void *)&("+localsprefix+"));");
2069 /* Need to convert to OID */
2070 if (fgcn.doConvert()) {
2071 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
2073 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
2078 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
2080 if (fion.getType().isArray()) {
2081 type=state.getArrayNumber(fion.getType())+state.numClasses();
2083 type=fion.getType().getClassDesc().getId();
2086 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2087 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
2089 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
2092 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
2093 /* Check to see if we need to generate code for this atomic */
2094 if (locality==null) {
2095 output.println("pthread_mutex_lock(&atomiclock);");
2099 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
2101 /* Backup the temps. */
2102 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2103 TempDescriptor tmp=tmpit.next();
2104 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
2107 output.println("goto transstart"+faen.getIdentifier()+";");
2109 /******* Print code to retry aborted transaction *******/
2110 output.println("transretry"+faen.getIdentifier()+":");
2113 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2114 TempDescriptor tmp=tmpit.next();
2115 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
2119 /********* Need to revert local object store ********/
2120 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2122 output.println("while ("+revertptr+") {");
2123 output.println("struct ___Object___ * tmpptr;");
2124 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2125 output.println("REVERT_OBJ("+revertptr+");");
2126 output.println(revertptr+"=tmpptr;");
2127 output.println("}");
2129 /******* Tell the runtime to start the transaction *******/
2131 output.println("transstart"+faen.getIdentifier()+":");
2132 output.println("transStart();");
2134 if (state.ABORTREADERS) {
2135 output.println("if (_setjmp(aborttrans)) {");
2136 output.println(" goto transretry"+faen.getIdentifier()+"; }");
2140 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
2141 /* Check to see if we need to generate code for this atomic */
2142 if (locality==null) {
2143 output.println("pthread_mutex_unlock(&atomiclock);");
2146 if (locality.getAtomic(lb).get(faen).intValue()>0)
2148 //store the revert list before we lose the transaction object
2149 String revertptr=null;
2151 revertptr=generateTemp(fm, reverttable.get(lb),lb);
2152 output.println(revertptr+"=revertlist;");
2154 output.println("if (transCommit()) {");
2155 /* Transaction aborts if it returns true */
2156 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2158 output.println("} else {");
2159 /* Need to commit local object store */
2160 output.println("while ("+revertptr+") {");
2161 output.println("struct ___Object___ * tmpptr;");
2162 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2163 output.println("COMMIT_OBJ("+revertptr+");");
2164 output.println(revertptr+"=tmpptr;");
2165 output.println("}");
2167 output.println("}");
2171 public void generateSESE(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
2176 public void generateFlatSESEEnterNode(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
2179 public void generateFlatSESEExitNode(FlatMethod fm, LocalityBinding lb, FlatSESEExitNode faen, PrintWriter output) {
2180 //output.println("mlpNotifyExit( (struct SESE*)0 );");
2183 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
2184 if (state.CONSCHECK) {
2185 String specname=fcn.getSpec();
2186 String varname="repairstate___";
2187 output.println("{");
2188 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2190 TempDescriptor[] temps=fcn.getTemps();
2191 String[] vars=fcn.getVars();
2192 for(int i=0; i<temps.length; i++) {
2193 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
2196 output.println("if (doanalysis"+specname+"("+varname+")) {");
2197 output.println("free"+specname+"_state("+varname+");");
2198 output.println("} else {");
2199 output.println("/* Bad invariant */");
2200 output.println("free"+specname+"_state("+varname+");");
2201 output.println("abort_task();");
2202 output.println("}");
2203 output.println("}");
2207 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
2208 MethodDescriptor md=fc.getMethod();
2209 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM||state.SINGLETM ? locality.getBinding(lb, fc) : md);
2210 ClassDescriptor cn=md.getClassDesc();
2211 output.println("{");
2212 if (GENERATEPRECISEGC) {
2213 if (state.DSM||state.SINGLETM) {
2214 LocalityBinding fclb=locality.getBinding(lb, fc);
2215 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2217 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2219 output.print(objectparams.numPointers());
2220 output.print(", & "+localsprefix);
2221 if (md.getThis()!=null) {
2223 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
2225 if (fc.getThis()!=null&&md.getThis()==null) {
2226 System.out.println("WARNING!!!!!!!!!!!!");
2227 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2231 for(int i=0; i<fc.numArgs(); i++) {
2232 Descriptor var=md.getParameter(i);
2233 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2234 if (objectparams.isParamPtr(paramtemp)) {
2235 TempDescriptor targ=fc.getArg(i);
2237 TypeDescriptor td=md.getParamType(i);
2239 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2241 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2244 output.println("};");
2249 if (fc.getReturnTemp()!=null)
2250 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
2252 /* Do we need to do virtual dispatch? */
2253 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
2255 if (state.DSM||state.SINGLETM) {
2256 LocalityBinding fclb=locality.getBinding(lb, fc);
2257 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2259 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2264 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2265 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2267 output.print(md.getReturnType().getSafeSymbol()+" ");
2268 output.print("(*)(");
2270 boolean printcomma=false;
2271 if (GENERATEPRECISEGC) {
2272 if (state.DSM||state.SINGLETM) {
2273 LocalityBinding fclb=locality.getBinding(lb, fc);
2274 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2276 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2280 for(int i=0; i<objectparams.numPrimitives(); i++) {
2281 TempDescriptor temp=objectparams.getPrimitive(i);
2285 if (temp.getType().isClass()||temp.getType().isArray())
2286 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2288 output.print(temp.getType().getSafeSymbol());
2292 if (state.DSM||state.SINGLETM) {
2293 LocalityBinding fclb=locality.getBinding(lb, fc);
2294 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
2296 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2300 boolean needcomma=false;
2301 if (GENERATEPRECISEGC) {
2302 output.print("&__parameterlist__");
2306 if (!GENERATEPRECISEGC) {
2307 if (fc.getThis()!=null) {
2308 TypeDescriptor ptd=md.getThis().getType();
2311 if (ptd.isClass()&&!ptd.isArray())
2312 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2313 output.print(generateTemp(fm,fc.getThis(),lb));
2318 for(int i=0; i<fc.numArgs(); i++) {
2319 Descriptor var=md.getParameter(i);
2320 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2321 if (objectparams.isParamPrim(paramtemp)) {
2322 TempDescriptor targ=fc.getArg(i);
2326 TypeDescriptor ptd=md.getParamType(i);
2327 if (ptd.isClass()&&!ptd.isArray())
2328 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2329 output.print(generateTemp(fm, targ,lb));
2333 output.println(");");
2334 output.println(" }");
2337 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2338 Set subclasses=typeutil.getSubClasses(thiscd);
2339 if (subclasses==null)
2341 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
2342 ClassDescriptor cd=(ClassDescriptor)classit.next();
2343 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
2344 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
2345 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2346 if (md.matches(matchmd))
2353 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
2354 if (state.SINGLETM) {
2355 //single machine transactional memory case
2356 String field=ffn.getField().getSafeSymbol();
2357 String src=generateTemp(fm, ffn.getSrc(),lb);
2358 String dst=generateTemp(fm, ffn.getDst(),lb);
2360 output.println(dst+"="+ src +"->"+field+ ";");
2361 if (ffn.getField().getType().isPtr()&&locality.getAtomic(lb).get(ffn).intValue()>0&&
2362 ((dc==null)||dc.getNeedTrans(lb, ffn))&&
2363 locality.getNodePreTempInfo(lb, ffn).get(ffn.getSrc())!=LocalityAnalysis.SCRATCH) {
2364 output.println("TRANSREAD("+dst+", "+dst+", (void *) &(" + localsprefix + "));");
2366 } else if (state.DSM) {
2367 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
2368 if (status==LocalityAnalysis.GLOBAL) {
2369 String field=ffn.getField().getSafeSymbol();
2370 String src=generateTemp(fm, ffn.getSrc(),lb);
2371 String dst=generateTemp(fm, ffn.getDst(),lb);
2373 if (ffn.getField().getType().isPtr()) {
2375 //TODO: Uncomment this when we have runtime support
2376 //if (ffn.getSrc()==ffn.getDst()) {
2377 //output.println("{");
2378 //output.println("void * temp="+src+";");
2379 //output.println("if (temp&0x1) {");
2380 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
2381 //output.println(src+"->"+field+"="+temp+";");
2382 //output.println("}");
2383 //output.println(dst+"=temp;");
2384 //output.println("}");
2386 output.println(dst+"="+ src +"->"+field+ ";");
2387 //output.println("if ("+dst+"&0x1) {");
2388 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2389 //output.println(src+"->"+field+"="+src+"->"+field+";");
2390 //output.println("}");
2393 output.println(dst+"="+ src+"->"+field+";");
2395 } else if (status==LocalityAnalysis.LOCAL) {
2396 if (ffn.getField().getType().isPtr()&&
2397 ffn.getField().isGlobal()) {
2398 String field=ffn.getField().getSafeSymbol();
2399 String src=generateTemp(fm, ffn.getSrc(),lb);
2400 String dst=generateTemp(fm, ffn.getDst(),lb);
2401 output.println(dst+"="+ src +"->"+field+ ";");
2402 if (locality.getAtomic(lb).get(ffn).intValue()>0)
2403 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2405 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2406 } else if (status==LocalityAnalysis.EITHER) {
2407 //Code is reading from a null pointer
2408 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
2409 output.println("#ifndef RAW");
2410 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2411 output.println("#endif");
2412 //This should throw a suitable null pointer error
2413 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2415 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2417 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2421 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
2422 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2423 throw new Error("Can't set array length");
2424 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2425 //Single Machine Transaction Case
2426 boolean srcptr=fsfn.getSrc().getType().isPtr();
2427 String src=generateTemp(fm,fsfn.getSrc(),lb);
2428 String dst=generateTemp(fm,fsfn.getDst(),lb);
2429 if (srcptr&&!fsfn.getSrc().getType().isNull()) {
2430 output.println("{");
2431 if ((dc==null)||dc.getNeedSrcTrans(lb, fsfn)&&
2432 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getSrc())!=LocalityAnalysis.SCRATCH) {
2433 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2435 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2438 if (wb.needBarrier(fsfn)&&
2439 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getDst())!=LocalityAnalysis.SCRATCH) {
2440 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
2442 if (srcptr&!fsfn.getSrc().getType().isNull()) {
2443 output.println("*((unsigned INTPTR *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2444 output.println("}");
2446 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2448 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2449 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
2450 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
2451 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2453 String src=generateTemp(fm,fsfn.getSrc(),lb);
2454 String dst=generateTemp(fm,fsfn.getDst(),lb);
2456 output.println("{");
2457 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2459 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2462 if (wb.needBarrier(fsfn))
2463 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2465 output.println("*((unsigned INTPTR *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2467 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2468 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2469 /** Check if we need to copy */
2470 output.println("if(!"+dst+"->"+localcopystr+") {");
2471 /* Link object into list */
2472 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2473 output.println(revertptr+"=revertlist;");
2474 if (GENERATEPRECISEGC)
2475 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2477 output.println("COPY_OBJ("+dst+");");
2478 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2479 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2480 output.println("}");
2482 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2484 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2485 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2486 //writing to a null...bad
2487 output.println("if ("+dst+") {");
2488 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2490 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2492 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2495 output.println("}");
2498 if (state.FASTCHECK) {
2499 String dst=generateTemp(fm, fsfn.getDst(),lb);
2500 output.println("if(!"+dst+"->"+localcopystr+") {");
2501 /* Link object into list */
2502 if (GENERATEPRECISEGC)
2503 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2505 output.println("COPY_OBJ("+dst+");");
2506 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2507 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2508 output.println("}");
2510 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2514 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2515 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2518 if (elementtype.isArray()||elementtype.isClass())
2521 type=elementtype.getSafeSymbol()+" ";
2523 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2524 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 | "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2525 output.println("failedboundschk();");
2527 if (state.SINGLETM) {
2528 //Single machine transaction case
2529 String dst=generateTemp(fm, fen.getDst(),lb);
2530 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2532 if (elementtype.isPtr()&&locality.getAtomic(lb).get(fen).intValue()>0&&
2533 ((dc==null)||dc.getNeedTrans(lb, fen))&&
2534 locality.getNodePreTempInfo(lb, fen).get(fen.getSrc())!=LocalityAnalysis.SCRATCH) {
2535 output.println("TRANSREAD("+dst+", "+dst+", (void *)&(" + localsprefix+"));");
2537 } else if (state.DSM) {
2538 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2539 if (status==LocalityAnalysis.GLOBAL) {
2540 String dst=generateTemp(fm, fen.getDst(),lb);
2542 if (elementtype.isPtr()) {
2543 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2544 output.println("TRANSREAD("+dst+", "+dst+");");
2546 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2548 } else if (status==LocalityAnalysis.LOCAL) {
2549 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2550 } else if (status==LocalityAnalysis.EITHER) {
2551 //Code is reading from a null pointer
2552 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2553 output.println("#ifndef RAW");
2554 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2555 output.println("#endif");
2556 //This should throw a suitable null pointer error
2557 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2559 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2561 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2565 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2566 //TODO: need dynamic check to make sure this assignment is actually legal
2567 //Because Object[] could actually be something more specific...ie. Integer[]
2569 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2572 if (elementtype.isArray()||elementtype.isClass())
2575 type=elementtype.getSafeSymbol()+" ";
2577 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2578 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 | "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2579 output.println("failedboundschk();");
2582 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2583 //Transaction set element case
2584 if (wb.needBarrier(fsen)&&
2585 locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH) {
2586 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
2588 if (fsen.getSrc().getType().isPtr()&&!fsen.getSrc().getType().isNull()) {
2589 output.println("{");
2590 String src=generateTemp(fm, fsen.getSrc(), lb);
2591 if ((dc==null)||dc.getNeedSrcTrans(lb, fsen)&&
2592 locality.getNodePreTempInfo(lb, fsen).get(fsen.getSrc())!=LocalityAnalysis.SCRATCH) {
2593 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2595 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2597 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2598 output.println("}");
2600 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2602 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2603 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2604 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2605 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2606 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2607 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2610 if (wb.needBarrier(fsen))
2611 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2612 } else if (dstlocal) {
2613 /** Check if we need to copy */
2614 String dst=generateTemp(fm, fsen.getDst(),lb);
2615 output.println("if(!"+dst+"->"+localcopystr+") {");
2616 /* Link object into list */
2617 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2618 output.println(revertptr+"=revertlist;");
2619 if (GENERATEPRECISEGC)
2620 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2622 output.println("COPY_OBJ("+dst+");");
2623 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2624 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2625 output.println("}");
2626 } else throw new Error("Unknown array type");
2628 output.println("{");
2629 String src=generateTemp(fm, fsen.getSrc(), lb);
2630 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2631 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2632 output.println("}");
2634 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2637 if (state.FASTCHECK) {
2638 String dst=generateTemp(fm, fsen.getDst(),lb);
2639 output.println("if(!"+dst+"->"+localcopystr+") {");
2640 /* Link object into list */
2641 if (GENERATEPRECISEGC)
2642 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2644 output.println("COPY_OBJ("+dst+");");
2645 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2646 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2647 output.println("}");
2649 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2653 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2654 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2655 //Stash pointer in case of GC
2656 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2657 output.println(revertptr+"=revertlist;");
2659 if (state.SINGLETM) {
2660 if (fn.getType().isArray()) {
2661 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2662 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2663 //inside transaction
2664 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2666 //outside transaction
2667 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2670 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2671 //inside transaction
2672 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2674 //outside transaction
2675 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2678 } else if (fn.getType().isArray()) {
2679 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2680 if (fn.isGlobal()&&(state.DSM||state.SINGLETM)) {
2681 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2682 } else if (GENERATEPRECISEGC) {
2683 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2685 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2688 if (fn.isGlobal()) {
2689 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
2690 } else if (GENERATEPRECISEGC) {
2691 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2693 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2696 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2697 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2698 String dst=generateTemp(fm,fn.getDst(),lb);
2699 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2700 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2701 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2703 if (state.FASTCHECK) {
2704 String dst=generateTemp(fm,fn.getDst(),lb);
2705 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2706 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2707 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2711 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2712 if (GENERATEPRECISEGC) {
2713 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2715 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2719 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2720 if (fon.getRight()!=null) {
2721 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2722 if (fon.getLeft().getType().isLong())
2723 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2725 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2728 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2729 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2730 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2731 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2732 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2733 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2734 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2735 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2736 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2737 else if (fon.getOp().getOp()==Operation.COMP)
2738 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2739 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2740 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2742 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2745 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2746 /* TODO: Do type check here */
2747 if (fcn.getType().isArray()) {
2749 } else if (fcn.getType().isClass())
2750 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2752 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2755 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2756 if (fln.getValue()==null)
2757 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2758 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2759 if (GENERATEPRECISEGC) {
2760 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2761 //Stash pointer in case of GC
2762 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2763 output.println(revertptr+"=revertlist;");
2765 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2766 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2767 //Stash pointer in case of GC
2768 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2769 output.println("revertlist="+revertptr+";");
2772 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2774 } else if (fln.getType().isBoolean()) {
2775 if (((Boolean)fln.getValue()).booleanValue())
2776 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2778 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2779 } else if (fln.getType().isChar()) {
2780 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2781 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2782 } else if (fln.getType().isLong()) {
2783 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2785 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2788 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2789 if (frn.getReturnTemp()!=null) {
2790 if (frn.getReturnTemp().getType().isPtr())
2791 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2793 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2795 output.println("return;");
2799 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2800 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2803 /** This method generates header information for the method or
2804 * task referenced by the Descriptor des. */
2806 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2808 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2809 MethodDescriptor md=null;
2810 TaskDescriptor task=null;
2811 if (des instanceof MethodDescriptor)
2812 md=(MethodDescriptor) des;
2814 task=(TaskDescriptor) des;
2816 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2818 if (md!=null&&md.getReturnType()!=null) {
2819 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2820 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2822 output.print(md.getReturnType().getSafeSymbol()+" ");
2824 //catch the constructor case
2825 output.print("void ");
2827 if (state.DSM||state.SINGLETM) {
2828 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2830 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2832 output.print(task.getSafeSymbol()+"(");
2834 boolean printcomma=false;
2835 if (GENERATEPRECISEGC) {
2837 if (state.DSM||state.SINGLETM) {
2838 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2840 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2842 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2848 for(int i=0; i<objectparams.numPrimitives(); i++) {
2849 TempDescriptor temp=objectparams.getPrimitive(i);
2853 if (temp.getType().isClass()||temp.getType().isArray())
2854 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2856 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2858 output.println(") {");
2859 } else if (!GENERATEPRECISEGC) {
2860 /* Imprecise Task */
2861 output.println("void * parameterarray[]) {");
2862 /* Unpack variables */
2863 for(int i=0; i<objectparams.numPrimitives(); i++) {
2864 TempDescriptor temp=objectparams.getPrimitive(i);
2865 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2867 for(int i=0; i<fm.numTags(); i++) {
2868 TempDescriptor temp=fm.getTag(i);
2869 int offset=i+objectparams.numPrimitives();
2870 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2873 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2874 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2875 } else output.println(") {");
2878 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2879 output.println("/* FlatFlagActionNode */");
2882 /* Process tag changes */
2883 Relation tagsettable=new Relation();
2884 Relation tagcleartable=new Relation();
2886 Iterator tagsit=ffan.getTempTagPairs();
2887 while (tagsit.hasNext()) {
2888 TempTagPair ttp=(TempTagPair) tagsit.next();
2889 TempDescriptor objtmp=ttp.getTemp();
2890 TagDescriptor tag=ttp.getTag();
2891 TempDescriptor tagtmp=ttp.getTagTemp();
2892 boolean tagstatus=ffan.getTagChange(ttp);
2894 tagsettable.put(objtmp, tagtmp);
2896 tagcleartable.put(objtmp, tagtmp);
2901 Hashtable flagandtable=new Hashtable();
2902 Hashtable flagortable=new Hashtable();
2904 /* Process flag changes */
2905 Iterator flagsit=ffan.getTempFlagPairs();
2906 while(flagsit.hasNext()) {
2907 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2908 TempDescriptor temp=tfp.getTemp();
2909 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2910 FlagDescriptor flag=tfp.getFlag();
2912 //Newly allocate objects that don't set any flags case
2913 if (flagortable.containsKey(temp)) {
2917 flagortable.put(temp,new Integer(mask));
2919 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2920 boolean flagstatus=ffan.getFlagChange(tfp);
2923 if (flagortable.containsKey(temp)) {
2924 mask=((Integer)flagortable.get(temp)).intValue();
2927 flagortable.put(temp,new Integer(mask));
2929 int mask=0xFFFFFFFF;
2930 if (flagandtable.containsKey(temp)) {
2931 mask=((Integer)flagandtable.get(temp)).intValue();
2933 mask&=(0xFFFFFFFF^flagid);
2934 flagandtable.put(temp,new Integer(mask));
2940 HashSet flagtagset=new HashSet();
2941 flagtagset.addAll(flagortable.keySet());
2942 flagtagset.addAll(flagandtable.keySet());
2943 flagtagset.addAll(tagsettable.keySet());
2944 flagtagset.addAll(tagcleartable.keySet());
2946 Iterator ftit=flagtagset.iterator();
2947 while(ftit.hasNext()) {
2948 TempDescriptor temp=(TempDescriptor)ftit.next();
2951 Set tagtmps=tagcleartable.get(temp);
2952 if (tagtmps!=null) {
2953 Iterator tagit=tagtmps.iterator();
2954 while(tagit.hasNext()) {
2955 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2956 if (GENERATEPRECISEGC)
2957 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2959 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2963 tagtmps=tagsettable.get(temp);
2964 if (tagtmps!=null) {
2965 Iterator tagit=tagtmps.iterator();
2966 while(tagit.hasNext()) {
2967 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2968 if (GENERATEPRECISEGC)
2969 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2971 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2976 int andmask=0xFFFFFFF;
2978 if (flagortable.containsKey(temp))
2979 ormask=((Integer)flagortable.get(temp)).intValue();
2980 if (flagandtable.containsKey(temp))
2981 andmask=((Integer)flagandtable.get(temp)).intValue();
2982 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2983 generateObjectDistribute(ffan, fm, lb, temp, output);
2987 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2988 PrintWriter output, int ormask, int andmask) {
2989 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2990 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2992 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2996 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2997 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
3000 void generateOptionalHeader(PrintWriter headers) {
3003 headers.println("#include \"task.h\"\n\n");
3004 headers.println("#ifndef _OPTIONAL_STRUCT_");
3005 headers.println("#define _OPTIONAL_STRUCT_");
3007 //STRUCT PREDICATEMEMBER
3008 headers.println("struct predicatemember{");
3009 headers.println("int type;");
3010 headers.println("int numdnfterms;");
3011 headers.println("int * flags;");
3012 headers.println("int numtags;");
3013 headers.println("int * tags;\n};\n\n");
3015 //STRUCT OPTIONALTASKDESCRIPTOR
3016 headers.println("struct optionaltaskdescriptor{");
3017 headers.println("struct taskdescriptor * task;");
3018 headers.println("int index;");
3019 headers.println("int numenterflags;");
3020 headers.println("int * enterflags;");
3021 headers.println("int numpredicatemembers;");
3022 headers.println("struct predicatemember ** predicatememberarray;");
3023 headers.println("};\n\n");
3025 //STRUCT TASKFAILURE
3026 headers.println("struct taskfailure {");
3027 headers.println("struct taskdescriptor * task;");
3028 headers.println("int index;");
3029 headers.println("int numoptionaltaskdescriptors;");
3030 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3032 //STRUCT FSANALYSISWRAPPER
3033 headers.println("struct fsanalysiswrapper{");
3034 headers.println("int flags;");
3035 headers.println("int numtags;");
3036 headers.println("int * tags;");
3037 headers.println("int numtaskfailures;");
3038 headers.println("struct taskfailure ** taskfailurearray;");
3039 headers.println("int numoptionaltaskdescriptors;");
3040 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3042 //STRUCT CLASSANALYSISWRAPPER
3043 headers.println("struct classanalysiswrapper{");
3044 headers.println("int type;");
3045 headers.println("int numotd;");
3046 headers.println("struct optionaltaskdescriptor ** otdarray;");
3047 headers.println("int numfsanalysiswrappers;");
3048 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3050 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3052 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3053 while(taskit.hasNext()) {
3054 TaskDescriptor td=(TaskDescriptor)taskit.next();
3055 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3060 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3061 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3062 int predicateindex = 0;
3063 //iterate through the classes concerned by the predicate
3064 Set c_vard = predicate.vardescriptors;
3065 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3068 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
3069 VarDescriptor vard = (VarDescriptor)vard_it.next();
3070 TypeDescriptor typed = vard.getType();
3072 //generate for flags
3073 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3074 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3076 if (fen_hashset!=null) {
3077 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
3078 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3080 DNFFlag dflag=fen.getDNF();
3081 numberterms+=dflag.size();
3083 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3085 for(int j=0; j<dflag.size(); j++) {
3087 output.println(",");
3088 Vector term=dflag.get(j);
3091 for(int k=0; k<term.size(); k++) {
3092 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3093 FlagDescriptor fd=dfa.getFlag();
3094 boolean negated=dfa.getNegated();
3095 int flagid=1<<((Integer)flags.get(fd)).intValue();
3100 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3105 output.println("};\n");
3108 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3109 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3112 for(int j=0; j<tagel.numTags(); j++) {
3114 output.println(",");
3115 TempDescriptor tmp=tagel.getTemp(j);
3116 if (!slotnumber.containsKey(tmp)) {
3117 Integer slotint=new Integer(current_slot++);
3118 slotnumber.put(tmp,slotint);
3120 int slot=slotnumber.get(tmp).intValue();
3121 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3123 numtags = tagel.numTags();
3125 output.println("};");
3127 //store the result into a predicatemember struct
3128 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3129 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3130 output.println("/* number of dnf terms */"+numberterms+",");
3131 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3132 output.println("/* number of tag */"+numtags+",");
3133 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3134 output.println("};\n");
3139 //generate an array that stores the entire predicate
3140 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3141 for( int j = 0; j<predicateindex; j++) {
3142 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3143 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3145 output.println("};\n");
3146 return predicateindex;
3150 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3151 generateOptionalHeader(headers);
3153 output.println("#include \"optionalstruct.h\"\n\n");
3154 output.println("#include \"stdlib.h\"\n");
3156 HashSet processedcd = new HashSet();
3158 Enumeration e = safeexecution.keys();
3159 while (e.hasMoreElements()) {
3162 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3163 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3165 //Generate the struct of optionals
3166 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3167 numotd = c_otd.size();
3168 if(maxotd<numotd) maxotd = numotd;
3169 if( !c_otd.isEmpty() ) {
3170 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3171 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3173 //generate the int arrays for the predicate
3174 Predicate predicate = otd.predicate;
3175 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3176 TreeSet<Integer> fsset=new TreeSet<Integer>();
3177 //iterate through possible FSes corresponding to
3178 //the state when entering
3180 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
3181 FlagState fs = (FlagState)fses.next();
3183 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3184 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3185 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3188 fsset.add(new Integer(flagid));
3189 //tag information not needed because tag
3190 //changes are not tolerated.
3193 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3194 boolean needcomma=false;
3195 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
3198 output.println(it.next());
3201 output.println("};\n");
3204 //generate optionaltaskdescriptor that actually
3205 //includes exit fses, predicate and the task
3207 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3208 output.println("&task_"+otd.td.getSafeSymbol()+",");
3209 output.println("/*index*/"+otd.getIndex()+",");
3210 output.println("/*number of enter flags*/"+fsset.size()+",");
3211 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3212 output.println("/*number of members */"+predicateindex+",");
3213 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3214 output.println("};\n");
3218 // if there are no optionals, there is no need to build the rest of the struct
3220 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3221 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3222 if( !c_otd.isEmpty() ) {
3223 boolean needcomma=false;
3224 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3225 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3227 output.println(",");
3229 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3232 output.println("};\n");
3234 //get all the possible flagstates reachable by an object
3235 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3237 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3238 fsts.addAll(hashtbtemp.keySet());
3239 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
3240 FlagState fs = (FlagState)fsit.next();
3243 //get the set of OptionalTaskDescriptors corresponding
3244 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3245 //iterate through the OptionalTaskDescriptors and
3246 //store the pointers to the optionals struct (see on
3247 //top) into an array
3249 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3250 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
3251 OptionalTaskDescriptor mm = mos.next();
3253 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3255 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3258 output.println("};\n");
3260 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3263 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3264 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3265 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3269 //process tag information
3272 boolean first = true;
3273 Enumeration tag_enum = fs.getTags();
3274 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3275 while(tag_enum.hasMoreElements()) {
3277 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3281 output.println(", ");
3282 output.println("/*tagid*/"+state.getTagId(tagd));
3284 output.println("};");
3286 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3287 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3288 TaskIndex ti=itti.next();
3292 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3294 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3295 boolean needcomma=false;
3296 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
3297 OptionalTaskDescriptor otd=otdit.next();
3301 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3303 output.println("};");
3305 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3306 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3307 output.print(ti.getIndex()+", ");
3308 output.print(otdset.size()+", ");
3309 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3310 output.println("};");
3313 tiset=sa.getTaskIndex(fs);
3314 boolean needcomma=false;
3316 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3317 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3318 TaskIndex ti=itti.next();
3319 if (ti.isRuntime()) {
3326 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3328 output.println("};\n");
3330 //Store the result in fsanalysiswrapper
3332 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3333 output.println("/*flag*/"+flagid+",");
3334 output.println("/* number of tags*/"+tagcounter+",");
3335 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3336 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3337 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3338 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3339 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3340 output.println("};\n");
3344 //Build the array of fsanalysiswrappers
3345 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3346 boolean needcomma=false;
3347 for(int i = 0; i<fscounter; i++) {
3348 if (needcomma) output.print(",");
3349 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3352 output.println("};");
3354 //Build the classanalysiswrapper referring to the previous array
3355 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3356 output.println("/*type*/"+cdtemp.getId()+",");
3357 output.println("/*numotd*/"+numotd+",");
3358 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3359 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3360 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3361 processedcd.add(cdtemp);
3364 //build an array containing every classes for which code has been build
3365 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3366 for(int i=0; i<state.numClasses(); i++) {
3367 ClassDescriptor cn=cdarray[i];
3370 if (processedcd.contains(cn))
3371 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3373 output.print("NULL");
3375 output.println("};");
3377 output.println("#define MAXOTD "+maxotd);
3378 headers.println("#endif");
3381 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3382 Relation r=new Relation();
3383 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
3384 OptionalTaskDescriptor otd=otdit.next();
3385 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3389 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3390 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
3391 Set s=r.get(it.next());
3392 for(Iterator it2=s.iterator(); it2.hasNext();) {
3393 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3401 protected void outputTransCode(PrintWriter output) {