2 import IR.Tree.Modifiers;
3 import IR.Tree.FlagExpressionNode;
4 import IR.Tree.DNFFlag;
5 import IR.Tree.DNFFlagAtom;
6 import IR.Tree.TagExpressionList;
7 import IR.Tree.OffsetNode;
13 import Analysis.TaskStateAnalysis.FlagState;
14 import Analysis.TaskStateAnalysis.FlagComparator;
15 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
16 import Analysis.TaskStateAnalysis.Predicate;
17 import Analysis.TaskStateAnalysis.SafetyAnalysis;
18 import Analysis.TaskStateAnalysis.TaskIndex;
19 import Analysis.Locality.LocalityAnalysis;
20 import Analysis.Locality.LocalityBinding;
21 import Analysis.Locality.DiscoverConflicts;
22 import Analysis.CallGraph.CallGraph;
23 import Analysis.Prefetch.*;
24 import Analysis.Loops.WriteBarrier;
25 import Analysis.Locality.TypeAnalysis;
26 import Analysis.MLP.MLPAnalysis;
28 public class BuildCode {
31 Hashtable paramstable;
36 String localsprefix="___locals___";
37 String fcrevert="___fcrevert___";
38 String paramsprefix="___params___";
39 String oidstr="___nextobject___";
40 String nextobjstr="___nextobject___";
41 String localcopystr="___localcopy___";
42 public static boolean GENERATEPRECISEGC=false;
43 public static String PREFIX="";
44 public static String arraytype="ArrayObject";
45 public static int flagcount = 0;
48 protected int maxtaskparams=0;
49 private int maxcount=0;
50 ClassDescriptor[] cdarray;
51 TypeDescriptor[] arraytable;
52 LocalityAnalysis locality;
53 Hashtable<LocalityBinding, TempDescriptor> reverttable;
54 Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>> backuptable;
58 Hashtable<FlatSESEEnterNode, FlatMethod> sese2bogusFlatMeth;
59 boolean nonSESEpass=true;
64 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
65 this(st, temptovar, typeutil, null, sa, pa, null);
68 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa, MLPAnalysis mlpa) {
69 this(st, temptovar, typeutil, null, sa, pa, mlpa);
72 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa, MLPAnalysis mlpa) {
73 this(st, temptovar, typeutil, locality, null, pa, mlpa);
76 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa, MLPAnalysis mlpa) {
81 callgraph=new CallGraph(state);
83 oidstr="___objlocation___";
84 this.temptovar=temptovar;
85 paramstable=new Hashtable();
86 tempstable=new Hashtable();
87 fieldorder=new Hashtable();
88 flagorder=new Hashtable();
89 this.typeutil=typeutil;
90 virtualcalls=new Virtual(state,locality);
92 this.locality=locality;
93 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
94 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
95 this.wb=new WriteBarrier(locality, st);
97 if (state.SINGLETM&&state.DCOPTS) {
98 TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
99 this.dc=new DiscoverConflicts(locality, st, typeanalysis);
103 sese2bogusFlatMeth = new Hashtable<FlatSESEEnterNode, FlatMethod>();
107 /** The buildCode method outputs C code for all the methods. The Flat
108 * versions of the methods must already be generated and stored in
109 * the State object. */
111 public void buildCode() {
112 /* Create output streams to write to */
113 PrintWriter outclassdefs=null;
114 PrintWriter outstructs=null;
115 PrintWriter outrepairstructs=null;
116 PrintWriter outmethodheader=null;
117 PrintWriter outmethod=null;
118 PrintWriter outvirtual=null;
119 PrintWriter outtask=null;
120 PrintWriter outtaskdefs=null;
121 PrintWriter outoptionalarrays=null;
122 PrintWriter optionalheaders=null;
125 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
126 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
127 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
128 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
129 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
131 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
132 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
133 if (state.OPTIONAL) {
134 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
135 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
138 if (state.structfile!=null) {
139 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
141 } catch (Exception e) {
146 /* Build the virtual dispatch tables */
147 buildVirtualTables(outvirtual);
149 /* Output includes */
150 outmethodheader.println("#ifndef METHODHEADERS_H");
151 outmethodheader.println("#define METHODHEADERS_H");
152 outmethodheader.println("#include \"structdefs.h\"");
154 outmethodheader.println("#include \"dstm.h\"");
156 outmethodheader.println("#include \"tm.h\"");
157 if (state.ABORTREADERS) {
158 outmethodheader.println("#include \"abortreaders.h\"");
159 outmethodheader.println("#include <setjmp.h>");
162 /* Output Structures */
163 outputStructs(outstructs);
165 // Output the C class declarations
166 // These could mutually reference each other
167 outputClassDeclarations(outclassdefs);
169 // Output function prototypes and structures for parameters
170 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
171 while(it.hasNext()) {
172 ClassDescriptor cn=(ClassDescriptor)it.next();
173 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
175 outclassdefs.close();
178 /* Map flags to integers */
179 /* The runtime keeps track of flags using these integers */
180 it=state.getClassSymbolTable().getDescriptorsIterator();
181 while(it.hasNext()) {
182 ClassDescriptor cn=(ClassDescriptor)it.next();
186 generateTaskStructs(outstructs, outmethodheader);
188 /* Outputs generic task structures if this is a task
190 outputTaskTypes(outtask);
193 /* Build the actual methods */
194 outputMethods(outmethod);
196 // Output function prototypes and structures for SESE's and code
199 for(Iterator<FlatSESEEnterNode> seseit=mlpa.getAllSESEs().iterator();seseit.hasNext();) {
200 FlatSESEEnterNode fsen = seseit.next();
201 generateMethodSESE(fsen, null, outstructs, outmethodheader, outmethod);
206 /* Output code for tasks */
207 outputTaskCode(outtaskdefs, outmethod);
209 /* Record maximum number of task parameters */
210 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
211 } else if (state.main!=null) {
212 /* Generate main method */
213 outputMainMethod(outmethod);
216 /* Generate information for task with optional parameters */
217 if (state.TASK&&state.OPTIONAL) {
218 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
219 outoptionalarrays.close();
222 /* Output structure definitions for repair tool */
223 if (state.structfile!=null) {
224 buildRepairStructs(outrepairstructs);
225 outrepairstructs.close();
229 outmethodheader.println("#endif");
230 outmethodheader.close();
232 outstructs.println("#endif");
237 /* This code just generates the main C method for java programs.
238 * The main C method packs up the arguments into a string array
239 * and passes it to the java main method. */
241 private void outputMainMethod(PrintWriter outmethod) {
242 outmethod.println("int main(int argc, const char *argv[]) {");
243 outmethod.println(" int i;");
245 outmethod.println("#ifdef TRANSSTATS \n");
246 outmethod.println("handle();\n");
247 outmethod.println("#endif\n");
249 if (state.THREAD||state.DSM||state.SINGLETM) {
250 outmethod.println("initializethreads();");
253 outmethod.println("if (dstmStartup(argv[1])) {");
254 if (GENERATEPRECISEGC) {
255 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
257 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
260 if (GENERATEPRECISEGC) {
261 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
263 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
267 outmethod.println(" for(i=2;i<argc;i++) {");
269 outmethod.println(" for(i=1;i<argc;i++) {");
270 outmethod.println(" int length=strlen(argv[i]);");
271 if (GENERATEPRECISEGC) {
272 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
274 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
277 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
279 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
280 outmethod.println(" }");
283 MethodDescriptor md=typeutil.getMain();
284 ClassDescriptor cd=typeutil.getMainClass();
286 outmethod.println(" {");
287 if (GENERATEPRECISEGC) {
288 if (state.DSM||state.SINGLETM) {
289 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
291 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
292 outmethod.println("1, NULL,"+"stringarray};");
293 if (state.DSM||state.SINGLETM)
294 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
296 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
298 if (state.DSM||state.SINGLETM)
299 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
301 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
303 outmethod.println(" }");
306 outmethod.println("}");
309 if (state.THREAD||state.DSM||state.SINGLETM) {
310 outmethod.println("pthread_mutex_lock(&gclistlock);");
311 outmethod.println("threadcount--;");
312 outmethod.println("pthread_cond_signal(&gccond);");
313 outmethod.println("pthread_mutex_unlock(&gclistlock);");
316 if (state.DSM||state.SINGLETM) {
317 outmethod.println("#ifdef TRANSSTATS \n");
318 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
319 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
320 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
321 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
323 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
324 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
325 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
326 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
327 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
328 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
329 } else if (state.SINGLETM) {
330 outmethod.println("printf(\"nSoftAbortAbort= %d\\n\", nSoftAbortAbort);");
331 outmethod.println("printf(\"nSoftAbortCommit= %d\\n\", nSoftAbortCommit);");
332 outmethod.println("#ifdef STMSTATS\n");
333 outmethod.println("for(i=0; i<TOTALNUMCLASSANDARRAY; i++) {\n");
334 outmethod.println(" printf(\"typesCausingAbort[%d]= %d\\n\", i, typesCausingAbort[i]);\n");
335 outmethod.println("}\n");
336 outmethod.println("#endif\n");
337 outmethod.println("fflush(stdout);");
339 outmethod.println("#endif\n");
342 if (state.THREAD||state.SINGLETM)
343 outmethod.println("pthread_exit(NULL);");
345 outmethod.println("}");
349 /* This method outputs code for each task. */
351 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
352 /* Compile task based program */
353 outtaskdefs.println("#include \"task.h\"");
354 outtaskdefs.println("#include \"methodheaders.h\"");
355 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
356 while(taskit.hasNext()) {
357 TaskDescriptor td=(TaskDescriptor)taskit.next();
358 FlatMethod fm=state.getMethodFlat(td);
359 generateFlatMethod(fm, null, outmethod);
360 generateTaskDescriptor(outtaskdefs, fm, td);
363 //Output task descriptors
364 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
365 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
367 while(taskit.hasNext()) {
368 TaskDescriptor td=(TaskDescriptor)taskit.next();
372 outtaskdefs.println(",");
373 outtaskdefs.print("&task_"+td.getSafeSymbol());
375 outtaskdefs.println("};");
377 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
380 /* This method outputs most of the methods.c file. This includes
381 * some standard includes and then an array with the sizes of
382 * objets and array that stores supertype and then the code for
383 * the Java methods.. */
385 protected void outputMethods(PrintWriter outmethod) {
386 outmethod.println("#include \"methodheaders.h\"");
387 outmethod.println("#include \"virtualtable.h\"");
388 outmethod.println("#include \"runtime.h\"");
390 outmethod.println("#include \"addPrefetchEnhance.h\"");
391 outmethod.println("#include \"localobjects.h\"");
393 if (state.FASTCHECK) {
394 outmethod.println("#include \"localobjects.h\"");
396 if(state.MULTICORE) {
397 outmethod.println("#include \"task.h\"");
398 outmethod.println("#include \"multicoreruntime.h\"");
399 outmethod.println("#include \"runtime_arch.h\"");
401 if (state.THREAD||state.DSM||state.SINGLETM)
402 outmethod.println("#include <thread.h>");
403 if (state.main!=null) {
404 outmethod.println("#include <string.h>");
406 if (state.CONSCHECK) {
407 outmethod.println("#include \"checkers.h\"");
410 outmethod.println("#include \"mlp_runtime.h\"");
413 //Store the sizes of classes & array elements
414 generateSizeArray(outmethod);
416 //Store table of supertypes
417 generateSuperTypeTable(outmethod);
419 //Store the layout of classes
420 generateLayoutStructs(outmethod);
422 /* Generate code for methods */
423 if (state.DSM||state.SINGLETM) {
424 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
425 LocalityBinding lb=lbit.next();
426 MethodDescriptor md=lb.getMethod();
427 FlatMethod fm=state.getMethodFlat(md);
429 if (!md.getModifiers().isNative()) {
430 generateFlatMethod(fm, lb, outmethod);
434 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
435 while(classit.hasNext()) {
436 ClassDescriptor cn=(ClassDescriptor)classit.next();
437 if(state.MULTICORE) {
438 if(cn.getSymbol().equals("Math")) {
442 Iterator methodit=cn.getMethods();
443 while(methodit.hasNext()) {
444 /* Classify parameters */
445 MethodDescriptor md=(MethodDescriptor)methodit.next();
446 FlatMethod fm=state.getMethodFlat(md);
447 if (!md.getModifiers().isNative()) {
448 generateFlatMethod(fm, null, outmethod);
455 protected void outputStructs(PrintWriter outstructs) {
456 outstructs.println("#ifndef STRUCTDEFS_H");
457 outstructs.println("#define STRUCTDEFS_H");
458 outstructs.println("#include \"classdefs.h\"");
459 outstructs.println("#ifndef INTPTR");
460 outstructs.println("#ifdef BIT64");
461 outstructs.println("#define INTPTR long");
462 outstructs.println("#else");
463 outstructs.println("#define INTPTR int");
464 outstructs.println("#endif");
465 outstructs.println("#endif");
467 /* Output #defines that the runtime uses to determine type
468 * numbers for various objects it needs */
469 outstructs.println("#define MAXCOUNT "+maxcount);
470 if (state.DSM||state.SINGLETM) {
471 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
473 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
474 else if (state.SINGLETM)
475 lb.setGlobalThis(LocalityAnalysis.NORMAL);
476 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
479 outstructs.println("#define STRINGARRAYTYPE "+
480 (state.getArrayNumber(
481 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
483 outstructs.println("#define OBJECTARRAYTYPE "+
484 (state.getArrayNumber(
485 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
488 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
489 outstructs.println("#define CHARARRAYTYPE "+
490 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
492 outstructs.println("#define BYTEARRAYTYPE "+
493 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
495 outstructs.println("#define BYTEARRAYARRAYTYPE "+
496 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
498 outstructs.println("#define NUMCLASSES "+state.numClasses());
499 int totalClassSize = state.numClasses() + state.numArrays();
500 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
502 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
503 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
504 outstructs.println("#define TAGARRAYTYPE "+
505 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
509 protected void outputClassDeclarations(PrintWriter outclassdefs) {
510 if (state.THREAD||state.DSM||state.SINGLETM)
511 outclassdefs.println("#include <pthread.h>");
512 outclassdefs.println("#ifndef INTPTR");
513 outclassdefs.println("#ifdef BIT64");
514 outclassdefs.println("#define INTPTR long");
515 outclassdefs.println("#else");
516 outclassdefs.println("#define INTPTR int");
517 outclassdefs.println("#endif");
518 outclassdefs.println("#endif");
520 outclassdefs.println("#include \"optionalstruct.h\"");
521 outclassdefs.println("struct "+arraytype+";");
522 /* Start by declaring all structs */
523 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
524 while(it.hasNext()) {
525 ClassDescriptor cn=(ClassDescriptor)it.next();
526 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
528 outclassdefs.println("");
529 //Print out definition for array type
530 outclassdefs.println("struct "+arraytype+" {");
531 outclassdefs.println(" int type;");
533 outclassdefs.println(" pthread_t tid;");
534 outclassdefs.println(" void * lockentry;");
535 outclassdefs.println(" int lockcount;");
538 outclassdefs.println(" int flag;");
539 if(!state.MULTICORE) {
540 outclassdefs.println(" void * flagptr;");
542 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
543 outclassdefs.println(" int version;");
544 outclassdefs.println(" struct ___Object___ * original;");
545 //outclassdefs.println(" int numlocks;"); // array for locks
546 outclassdefs.println(" int * lock;");
549 outclassdefs.println(" int numfses;");
550 outclassdefs.println(" int * fses;");
553 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
555 outclassdefs.println(" int ___length___;");
556 outclassdefs.println("};\n");
557 outclassdefs.println("extern int classsize[];");
558 outclassdefs.println("extern int hasflags[];");
559 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
560 outclassdefs.println("extern int supertypes[];");
563 /** Prints out definitions for generic task structures */
565 private void outputTaskTypes(PrintWriter outtask) {
566 outtask.println("#ifndef _TASK_H");
567 outtask.println("#define _TASK_H");
568 outtask.println("struct parameterdescriptor {");
569 outtask.println("int type;");
570 outtask.println("int numberterms;");
571 outtask.println("int *intarray;");
572 outtask.println("void * queue;");
573 outtask.println("int numbertags;");
574 outtask.println("int *tagarray;");
575 outtask.println("};");
577 outtask.println("struct taskdescriptor {");
578 outtask.println("void * taskptr;");
579 outtask.println("int numParameters;");
580 outtask.println(" int numTotal;");
581 outtask.println("struct parameterdescriptor **descriptorarray;");
582 outtask.println("char * name;");
583 outtask.println("};");
584 outtask.println("extern struct taskdescriptor * taskarray[];");
585 outtask.println("extern numtasks;");
586 outtask.println("#endif");
590 private void buildRepairStructs(PrintWriter outrepairstructs) {
591 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
592 while(classit.hasNext()) {
593 ClassDescriptor cn=(ClassDescriptor)classit.next();
594 outrepairstructs.println("structure "+cn.getSymbol()+" {");
595 outrepairstructs.println(" int __type__;");
597 outrepairstructs.println(" int __flag__;");
598 if(!state.MULTICORE) {
599 outrepairstructs.println(" int __flagptr__;");
602 printRepairStruct(cn, outrepairstructs);
603 outrepairstructs.println("}\n");
606 for(int i=0; i<state.numArrays(); i++) {
607 TypeDescriptor tdarray=arraytable[i];
608 TypeDescriptor tdelement=tdarray.dereference();
609 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
610 outrepairstructs.println(" int __type__;");
611 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
612 outrepairstructs.println(" int length;");
614 // Need to add support to repair tool for this
615 if (tdelement.isClass()||tdelement.isArray())
616 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
618 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
620 outrepairstructs.println("}\n");
624 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
625 ClassDescriptor sp=cn.getSuperDesc();
627 printRepairStruct(sp, output);
629 Vector fields=(Vector)fieldorder.get(cn);
631 for(int i=0; i<fields.size(); i++) {
632 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
633 if (fd.getType().isArray()) {
634 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
635 } else if (fd.getType().isClass())
636 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
637 else if (fd.getType().isFloat())
638 output.println(" int "+fd.getSymbol()+"; /* really float */");
640 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
644 /** This method outputs TaskDescriptor information */
645 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
646 for (int i=0; i<task.numParameters(); i++) {
647 VarDescriptor param_var=task.getParameter(i);
648 TypeDescriptor param_type=task.getParamType(i);
649 FlagExpressionNode param_flag=task.getFlag(param_var);
650 TagExpressionList param_tag=task.getTag(param_var);
653 if (param_flag==null) {
654 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
655 output.println("0x0, 0x0 };");
658 DNFFlag dflag=param_flag.getDNF();
659 dnfterms=dflag.size();
661 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
662 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
663 for(int j=0; j<dflag.size(); j++) {
666 Vector term=dflag.get(j);
669 for(int k=0; k<term.size(); k++) {
670 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
671 FlagDescriptor fd=dfa.getFlag();
672 boolean negated=dfa.getNegated();
673 int flagid=1<<((Integer)flags.get(fd)).intValue();
678 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
680 output.println("};");
683 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
684 //BUG...added next line to fix, test with any task program
686 for(int j=0; j<param_tag.numTags(); j++) {
689 /* for each tag we need */
690 /* which slot it is */
691 /* what type it is */
692 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
693 TempDescriptor tmp=param_tag.getTemp(j);
694 int slot=fm.getTagInt(tmp);
695 output.println(slot+", "+state.getTagId(tvd.getTag()));
697 output.println("};");
699 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
700 output.println("/* type */"+param_type.getClassDesc().getId()+",");
701 output.println("/* number of DNF terms */"+dnfterms+",");
702 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
703 output.println("0,");
704 //BUG, added next line to fix and else statement...test
705 //with any task program
707 output.println("/* number of tags */"+param_tag.numTags()+",");
709 output.println("/* number of tags */ 0,");
710 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
711 output.println("};");
715 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
716 for (int i=0; i<task.numParameters(); i++) {
719 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
721 output.println("};");
723 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
724 output.println("&"+task.getSafeSymbol()+",");
725 output.println("/* number of parameters */" +task.numParameters() + ",");
726 int numtotal=task.numParameters()+fm.numTags();
727 output.println("/* number total parameters */" +numtotal + ",");
728 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
729 output.println("\""+task.getSymbol()+"\"");
730 output.println("};");
734 /** The buildVirtualTables method outputs the virtual dispatch
735 * tables for methods. */
737 protected void buildVirtualTables(PrintWriter outvirtual) {
738 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
739 while(classit.hasNext()) {
740 ClassDescriptor cd=(ClassDescriptor)classit.next();
741 if (virtualcalls.getMethodCount(cd)>maxcount)
742 maxcount=virtualcalls.getMethodCount(cd);
744 MethodDescriptor[][] virtualtable=null;
745 LocalityBinding[][] lbvirtualtable=null;
746 if (state.DSM||state.SINGLETM)
747 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
749 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
751 /* Fill in virtual table */
752 classit=state.getClassSymbolTable().getDescriptorsIterator();
753 while(classit.hasNext()) {
754 ClassDescriptor cd=(ClassDescriptor)classit.next();
755 if (state.DSM||state.SINGLETM)
756 fillinRow(cd, lbvirtualtable, cd.getId());
758 fillinRow(cd, virtualtable, cd.getId());
761 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
762 Iterator arrayit=state.getArrayIterator();
763 while(arrayit.hasNext()) {
764 TypeDescriptor td=(TypeDescriptor)arrayit.next();
765 int id=state.getArrayNumber(td);
766 if (state.DSM||state.SINGLETM)
767 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
769 fillinRow(objectcd, virtualtable, id+state.numClasses());
772 outvirtual.print("void * virtualtable[]={");
773 boolean needcomma=false;
774 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
775 for(int j=0; j<maxcount; j++) {
777 outvirtual.print(", ");
778 if ((state.DSM||state.SINGLETM)&&lbvirtualtable[i][j]!=null) {
779 LocalityBinding lb=lbvirtualtable[i][j];
780 MethodDescriptor md=lb.getMethod();
781 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
782 } else if (!(state.DSM||state.SINGLETM)&&virtualtable[i][j]!=null) {
783 MethodDescriptor md=virtualtable[i][j];
784 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
786 outvirtual.print("0");
790 outvirtual.println("");
792 outvirtual.println("};");
796 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
797 /* Get inherited methods */
798 if (cd.getSuperDesc()!=null)
799 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
800 /* Override them with our methods */
801 for(Iterator it=cd.getMethods(); it.hasNext();) {
802 MethodDescriptor md=(MethodDescriptor)it.next();
803 if (md.isStatic()||md.getReturnType()==null)
805 int methodnum=virtualcalls.getMethodNumber(md);
806 virtualtable[rownum][methodnum]=md;
810 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
811 /* Get inherited methods */
812 if (cd.getSuperDesc()!=null)
813 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
814 /* Override them with our methods */
815 if (locality.getClassBindings(cd)!=null)
816 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
817 LocalityBinding lb=lbit.next();
818 MethodDescriptor md=lb.getMethod();
819 //Is the method static or a constructor
820 if (md.isStatic()||md.getReturnType()==null)
822 int methodnum=virtualcalls.getLocalityNumber(lb);
823 virtualtable[rownum][methodnum]=lb;
827 /** Generate array that contains the sizes of class objects. The
828 * object allocation functions in the runtime use this
831 private void generateSizeArray(PrintWriter outclassdefs) {
832 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
833 outclassdefs.print("#ifdef TRANSSTATS \n");
834 outclassdefs.print("extern int numTransAbort;\n");
835 outclassdefs.print("extern int numTransCommit;\n");
836 outclassdefs.print("extern int nSoftAbort;\n");
838 outclassdefs.print("extern int nchashSearch;\n");
839 outclassdefs.print("extern int nmhashSearch;\n");
840 outclassdefs.print("extern int nprehashSearch;\n");
841 outclassdefs.print("extern int nRemoteSend;\n");
842 outclassdefs.print("extern int bytesSent;\n");
843 outclassdefs.print("extern int bytesRecv;\n");
844 outclassdefs.print("extern void handle();\n");
845 } else if (state.SINGLETM) {
846 outclassdefs.println("extern int nSoftAbortAbort;");
847 outclassdefs.println("extern int nSoftAbortCommit;");
848 outclassdefs.println("#ifdef STMSTATS\n");
849 outclassdefs.println("extern int typesCausingAbort[];");
850 outclassdefs.println("#endif\n");
852 outclassdefs.print("#endif\n");
853 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
855 outclassdefs.print("int classsize[]={");
856 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
857 cdarray=new ClassDescriptor[state.numClasses()];
858 while(it.hasNext()) {
859 ClassDescriptor cd=(ClassDescriptor)it.next();
860 cdarray[cd.getId()]=cd;
862 boolean needcomma=false;
863 for(int i=0; i<state.numClasses(); i++) {
865 outclassdefs.print(", ");
866 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
871 arraytable=new TypeDescriptor[state.numArrays()];
873 Iterator arrayit=state.getArrayIterator();
874 while(arrayit.hasNext()) {
875 TypeDescriptor td=(TypeDescriptor)arrayit.next();
876 int id=state.getArrayNumber(td);
880 for(int i=0; i<state.numArrays(); i++) {
882 outclassdefs.print(", ");
883 TypeDescriptor tdelement=arraytable[i].dereference();
884 if (tdelement.isArray()||tdelement.isClass())
885 outclassdefs.print("sizeof(void *)");
887 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
891 outclassdefs.println("};");
893 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
895 outclassdefs.print("int typearray[]={");
896 for(int i=0; i<state.numClasses(); i++) {
897 ClassDescriptor cd=cdarray[i];
898 ClassDescriptor supercd=cd.getSuperDesc();
900 outclassdefs.print(", ");
902 outclassdefs.print("-1");
904 outclassdefs.print(supercd.getId());
908 for(int i=0; i<state.numArrays(); i++) {
909 TypeDescriptor arraytd=arraytable[i];
910 ClassDescriptor arraycd=arraytd.getClassDesc();
913 outclassdefs.print(", ");
914 outclassdefs.print(objectclass.getId());
918 ClassDescriptor cd=arraycd.getSuperDesc();
921 TypeDescriptor supertd=new TypeDescriptor(cd);
922 supertd.setArrayCount(arraytd.getArrayCount());
923 type=state.getArrayNumber(supertd);
925 type+=state.numClasses();
928 cd=cd.getSuperDesc();
931 outclassdefs.print(", ");
932 outclassdefs.print(type);
936 outclassdefs.println("};");
941 outclassdefs.print("int typearray2[]={");
942 for(int i=0; i<state.numArrays(); i++) {
943 TypeDescriptor arraytd=arraytable[i];
944 ClassDescriptor arraycd=arraytd.getClassDesc();
947 outclassdefs.print(", ");
948 outclassdefs.print("-1");
952 ClassDescriptor cd=arraycd.getSuperDesc();
953 int level=arraytd.getArrayCount()-1;
955 for(; level>0; level--) {
956 TypeDescriptor supertd=new TypeDescriptor(objectclass);
957 supertd.setArrayCount(level);
958 type=state.getArrayNumber(supertd);
960 type+=state.numClasses();
965 outclassdefs.print(", ");
966 outclassdefs.print(type);
970 outclassdefs.println("};");
973 /** Constructs params and temp objects for each method or task.
974 * These objects tell the compiler which temps need to be
977 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
978 MethodDescriptor md=fm.getMethod();
979 TaskDescriptor task=fm.getTask();
980 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
981 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
983 paramstable.put(lb, objectparams);
984 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
986 paramstable.put(md, objectparams);
988 paramstable.put(task, objectparams);
990 for(int i=0; i<fm.numParameters(); i++) {
991 TempDescriptor temp=fm.getParameter(i);
992 TypeDescriptor type=temp.getType();
993 if (type.isPtr()&&GENERATEPRECISEGC)
994 objectparams.addPtr(temp);
996 objectparams.addPrim(temp);
997 if(lb!=null&&saveset.contains(temp)) {
998 backuptable.get(lb).put(temp, temp.createNew());
1002 for(int i=0; i<fm.numTags(); i++) {
1003 TempDescriptor temp=fm.getTag(i);
1004 if (GENERATEPRECISEGC)
1005 objectparams.addPtr(temp);
1007 objectparams.addPrim(temp);
1010 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1012 tempstable.put(lb, objecttemps);
1014 tempstable.put(md, objecttemps);
1016 tempstable.put(task, objecttemps);
1018 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
1019 FlatNode fn=(FlatNode)nodeit.next();
1020 TempDescriptor[] writes=fn.writesTemps();
1021 for(int i=0; i<writes.length; i++) {
1022 TempDescriptor temp=writes[i];
1023 TypeDescriptor type=temp.getType();
1024 if (type.isPtr()&&GENERATEPRECISEGC)
1025 objecttemps.addPtr(temp);
1027 objecttemps.addPrim(temp);
1028 if(lb!=null&&saveset.contains(temp)&&
1029 !backuptable.get(lb).containsKey(temp))
1030 backuptable.get(lb).put(temp, temp.createNew());
1034 /* Create backup temps */
1036 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext();) {
1037 TempDescriptor tmp=tmpit.next();
1038 TypeDescriptor type=tmp.getType();
1039 if (type.isPtr()&&GENERATEPRECISEGC)
1040 objecttemps.addPtr(tmp);
1042 objecttemps.addPrim(tmp);
1044 /* Create temp to hold revert table */
1045 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
1046 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
1047 if (GENERATEPRECISEGC)
1048 objecttemps.addPtr(reverttmp);
1050 objecttemps.addPrim(reverttmp);
1051 reverttable.put(lb, reverttmp);
1056 /** This method outputs the following information about classes
1058 * (1) For classes, what are the locations of pointers.
1059 * (2) For arrays, does the array contain pointers or primitives.
1060 * (3) For classes, does the class contain flags.
1063 private void generateLayoutStructs(PrintWriter output) {
1064 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1065 while(it.hasNext()) {
1066 ClassDescriptor cn=(ClassDescriptor)it.next();
1067 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1068 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1070 while(allit.hasNext()) {
1071 FieldDescriptor fd=(FieldDescriptor)allit.next();
1072 TypeDescriptor type=fd.getType();
1073 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1078 output.print(count);
1079 allit=cn.getFieldTable().getAllDescriptorsIterator();
1080 while(allit.hasNext()) {
1081 FieldDescriptor fd=(FieldDescriptor)allit.next();
1082 TypeDescriptor type=fd.getType();
1083 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
1086 output.println(",");
1087 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
1090 output.println("};");
1092 output.println("unsigned INTPTR * pointerarray[]={");
1093 boolean needcomma=false;
1094 for(int i=0; i<state.numClasses(); i++) {
1095 ClassDescriptor cn=cdarray[i];
1097 output.println(",");
1099 output.print(cn.getSafeSymbol()+"_pointers");
1102 for(int i=0; i<state.numArrays(); i++) {
1104 output.println(", ");
1105 TypeDescriptor tdelement=arraytable[i].dereference();
1106 if (tdelement.isArray()||tdelement.isClass())
1107 output.print("((unsigned INTPTR *)1)");
1113 output.println("};");
1115 output.println("int hasflags[]={");
1116 for(int i=0; i<state.numClasses(); i++) {
1117 ClassDescriptor cn=cdarray[i];
1119 output.println(", ");
1126 output.println("};");
1129 /** Print out table to give us supertypes */
1130 private void generateSuperTypeTable(PrintWriter output) {
1131 output.println("int supertypes[]={");
1132 boolean needcomma=false;
1133 for(int i=0; i<state.numClasses(); i++) {
1134 ClassDescriptor cn=cdarray[i];
1136 output.println(",");
1138 if (cn.getSuperDesc()!=null) {
1139 ClassDescriptor cdsuper=cn.getSuperDesc();
1140 output.print(cdsuper.getId());
1144 output.println("};");
1147 /** Force consistent field ordering between inherited classes. */
1149 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
1151 ClassDescriptor sp=cn.getSuperDesc();
1153 printClassStruct(sp, classdefout);
1155 if (!fieldorder.containsKey(cn)) {
1156 Vector fields=new Vector();
1157 fieldorder.put(cn,fields);
1158 if (sp==null&&!state.TASK) {
1159 fields.add(cn.getFieldTable().get("cachedCode"));
1161 Iterator fieldit=cn.getFields();
1162 while(fieldit.hasNext()) {
1163 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
1164 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
1165 (!fd.getSymbol().equals("cachedCode")||state.TASK))
1169 Vector fields=(Vector)fieldorder.get(cn);
1171 for(int i=0; i<fields.size(); i++) {
1172 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1173 if (fd.getType().isClass()||fd.getType().isArray())
1174 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1176 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1181 /* Map flags to integers consistently between inherited
1184 protected void mapFlags(ClassDescriptor cn) {
1185 ClassDescriptor sp=cn.getSuperDesc();
1189 if (!flagorder.containsKey(cn)) {
1190 Hashtable flags=new Hashtable();
1191 flagorder.put(cn,flags);
1193 Hashtable superflags=(Hashtable)flagorder.get(sp);
1194 Iterator superflagit=superflags.keySet().iterator();
1195 while(superflagit.hasNext()) {
1196 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1197 Integer number=(Integer)superflags.get(fd);
1198 flags.put(fd, number);
1199 if ((number.intValue()+1)>max)
1200 max=number.intValue()+1;
1204 Iterator flagit=cn.getFlags();
1205 while(flagit.hasNext()) {
1206 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1207 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1208 flags.put(fd, new Integer(max++));
1214 /** This function outputs (1) structures that parameters are
1215 * passed in (when PRECISE GC is enabled) and (2) function
1216 * prototypes for the methods */
1218 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1219 /* Output class structure */
1220 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1221 classdefout.println(" int type;");
1223 classdefout.println(" pthread_t tid;");
1224 classdefout.println(" void * lockentry;");
1225 classdefout.println(" int lockcount;");
1229 classdefout.println(" int flag;");
1230 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1231 classdefout.println(" void * flagptr;");
1232 } else if (state.MULTICORE) {
1233 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1234 classdefout.println(" int version;");
1235 classdefout.println(" struct ___Object___ * original;");
1236 //classdefout.println(" int numlocks;"); // array for locks
1237 classdefout.println(" int * lock;");
1239 if (state.OPTIONAL) {
1240 classdefout.println(" int numfses;");
1241 classdefout.println(" int * fses;");
1244 printClassStruct(cn, classdefout);
1245 classdefout.println("};\n");
1247 if (state.DSM||state.SINGLETM) {
1248 /* Cycle through LocalityBindings */
1249 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1250 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1252 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1253 LocalityBinding lb=lbit.next();
1254 MethodDescriptor md=lb.getMethod();
1255 if (md.getModifiers().isNative()) {
1256 //make sure we only print a native method once
1257 if (nativemethods.contains(md)) {
1258 FlatMethod fm=state.getMethodFlat(md);
1259 generateTempStructs(fm, lb);
1262 nativemethods.add(md);
1264 generateMethod(cn, md, lb, headersout, output);
1267 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1268 MethodDescriptor md=(MethodDescriptor)methodit.next();
1269 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1270 //Need to build param structure for library code
1271 FlatMethod fm=state.getMethodFlat(md);
1272 generateTempStructs(fm, null);
1273 generateMethodParam(cn, md, null, output);
1278 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1279 MethodDescriptor md=(MethodDescriptor)methodit.next();
1280 generateMethod(cn, md, null, headersout, output);
1284 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1285 /* Output parameter structure */
1286 if (GENERATEPRECISEGC) {
1287 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1288 if ((state.DSM||state.SINGLETM)&&lb!=null)
1289 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1291 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1292 output.println(" INTPTR size;");
1293 output.println(" void * next;");
1294 for(int i=0; i<objectparams.numPointers(); i++) {
1295 TempDescriptor temp=objectparams.getPointer(i);
1296 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1298 output.println("};\n");
1303 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1304 FlatMethod fm=state.getMethodFlat(md);
1305 generateTempStructs(fm, lb);
1307 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1308 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1310 generateMethodParam(cn, md, lb, output);
1312 /* Output temp structure */
1313 if (GENERATEPRECISEGC) {
1314 if (state.DSM||state.SINGLETM)
1315 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1317 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1318 output.println(" INTPTR size;");
1319 output.println(" void * next;");
1320 for(int i=0; i<objecttemps.numPointers(); i++) {
1321 TempDescriptor temp=objecttemps.getPointer(i);
1322 if (temp.getType().isNull())
1323 output.println(" void * "+temp.getSafeSymbol()+";");
1325 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1327 output.println("};\n");
1330 /********* Output method declaration ***********/
1331 if (state.DSM||state.SINGLETM) {
1332 headersout.println("#define D"+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1334 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1336 /* First the return type */
1337 if (md.getReturnType()!=null) {
1338 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1339 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1341 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1343 //catch the constructor case
1344 headersout.print("void ");
1346 /* Next the method name */
1347 if (state.DSM||state.SINGLETM) {
1348 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1350 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1352 boolean printcomma=false;
1353 if (GENERATEPRECISEGC) {
1354 if (state.DSM||state.SINGLETM) {
1355 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1357 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1361 /* Output parameter list*/
1362 for(int i=0; i<objectparams.numPrimitives(); i++) {
1363 TempDescriptor temp=objectparams.getPrimitive(i);
1365 headersout.print(", ");
1367 if (temp.getType().isClass()||temp.getType().isArray())
1368 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1370 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1372 headersout.println(");\n");
1376 /** This function outputs (1) structures that parameters are
1377 * passed in (when PRECISE GC is enabled) and (2) function
1378 * prototypes for the tasks */
1380 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1381 /* Cycle through tasks */
1382 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1384 while(taskit.hasNext()) {
1385 /* Classify parameters */
1386 TaskDescriptor task=(TaskDescriptor)taskit.next();
1387 FlatMethod fm=state.getMethodFlat(task);
1388 generateTempStructs(fm, null);
1390 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1391 TempObject objecttemps=(TempObject) tempstable.get(task);
1393 /* Output parameter structure */
1394 if (GENERATEPRECISEGC) {
1395 output.println("struct "+task.getSafeSymbol()+"_params {");
1397 output.println(" INTPTR size;");
1398 output.println(" void * next;");
1399 for(int i=0; i<objectparams.numPointers(); i++) {
1400 TempDescriptor temp=objectparams.getPointer(i);
1401 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1404 output.println("};\n");
1405 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1406 maxtaskparams=objectparams.numPointers()+fm.numTags();
1410 /* Output temp structure */
1411 if (GENERATEPRECISEGC) {
1412 output.println("struct "+task.getSafeSymbol()+"_locals {");
1413 output.println(" INTPTR size;");
1414 output.println(" void * next;");
1415 for(int i=0; i<objecttemps.numPointers(); i++) {
1416 TempDescriptor temp=objecttemps.getPointer(i);
1417 if (temp.getType().isNull())
1418 output.println(" void * "+temp.getSafeSymbol()+";");
1419 else if(temp.getType().isTag())
1420 output.println(" struct "+
1421 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1423 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1425 output.println("};\n");
1428 /* Output task declaration */
1429 headersout.print("void " + task.getSafeSymbol()+"(");
1431 boolean printcomma=false;
1432 if (GENERATEPRECISEGC) {
1433 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1435 headersout.print("void * parameterarray[]");
1436 headersout.println(");\n");
1440 /***** Generate code for FlatMethod fm. *****/
1442 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1443 if (State.PRINTFLAT)
1444 System.out.println(fm.printMethod());
1445 MethodDescriptor md=fm.getMethod();
1447 TaskDescriptor task=fm.getTask();
1449 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1451 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1452 generateHeader(fm, lb, md!=null ? md : task,output);
1453 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1455 if (GENERATEPRECISEGC) {
1456 if (md!=null&&(state.DSM||state.SINGLETM))
1457 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1458 else if (md!=null&&!(state.DSM||state.SINGLETM))
1459 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1461 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1463 output.print(objecttemp.numPointers()+",");
1464 output.print(paramsprefix);
1465 for(int j=0; j<objecttemp.numPointers(); j++)
1466 output.print(", NULL");
1467 output.println("};");
1470 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1471 TempDescriptor td=objecttemp.getPrimitive(i);
1472 TypeDescriptor type=td.getType();
1474 output.println(" void * "+td.getSafeSymbol()+";");
1475 else if (type.isClass()||type.isArray())
1476 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1478 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1481 /* Check to see if we need to do a GC if this is a
1482 * multi-threaded program...*/
1484 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1485 //Don't bother if we aren't in recursive methods...The loops case will catch it
1486 if (callgraph.getAllMethods(md).contains(md)) {
1487 if (state.DSM&&lb.isAtomic())
1488 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1490 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1494 generateCode(fm.getNext(0), fm, lb, null, output);
1496 output.println("}\n\n");
1499 private void generateFlatMethodSESE(FlatMethod fm,
1501 FlatSESEEnterNode seseEnter,
1502 FlatSESEExitNode seseExit,
1506 MethodDescriptor md=fm.getMethod();
1507 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
1508 generateHeader(fm, null, md, output);
1509 TempObject objecttemp=(TempObject) tempstable.get(md);
1512 if (GENERATEPRECISEGC) {
1513 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1514 output.print(objecttemp.numPointers()+",");
1515 output.print(paramsprefix);
1516 for(int j=0; j<objecttemp.numPointers(); j++)
1517 output.print(", NULL");
1518 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...
1535 if (GENERATEPRECISEGC) {
1536 //Don't bother if we aren't in recursive methods...The loops case will catch it
1537 if (callgraph.getAllMethods(md).contains(md)) {
1538 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1543 generateCode(seseEnter.getNext(0), fm, null, seseExit, output);
1546 output.println("}\n\n");
1549 protected void generateMethodSESE(FlatSESEEnterNode fsen,
1551 PrintWriter outputStructs,
1552 PrintWriter outputMethHead,
1553 PrintWriter outputMethods
1557 FlatMethod fm = fsen.getEnclosingFlatMeth();
1558 MethodDescriptor md = fm.getMethod();
1559 ClassDescriptor cn = md.getClassDesc();
1562 //Creates bogus method descriptor to index into tables
1563 Modifiers bogusmod=new Modifiers();
1564 MethodDescriptor bogusmd=new MethodDescriptor(bogusmod,
1565 new TypeDescriptor(TypeDescriptor.VOID),
1566 "sese_"+fsen.getPrettyIdentifier()+fsen.getIdentifier());
1567 bogusmd.setClassDesc(cn);
1568 FlatMethod bogusfm=new FlatMethod(bogusmd, null);
1569 sese2bogusFlatMeth.put(fsen, bogusfm);
1572 //Build paramsobj for bogus method descriptor
1573 ParamsObject objectparams=new ParamsObject(bogusmd, tag++);
1574 paramstable.put(bogusmd, objectparams);
1576 for(int i=0; i<fsen.numParameters(); i++) {
1577 TempDescriptor temp=fsen.getParameter(i);
1578 TypeDescriptor type=temp.getType();
1579 if (type.isPtr()&&GENERATEPRECISEGC) {
1580 objectparams.addPtr(temp);
1582 objectparams.addPrim(temp);
1587 //Build normal temp object for bogus method descriptor
1588 TempObject objecttemps=new TempObject(objectparams,bogusmd,tag++);
1589 tempstable.put(bogusmd, objecttemps);
1591 for(Iterator nodeit=fsen.getNodeSet().iterator(); nodeit.hasNext();) {
1592 FlatNode fn=(FlatNode)nodeit.next();
1593 TempDescriptor[] writes=fn.writesTemps();
1594 for(int i=0; i<writes.length; i++) {
1595 TempDescriptor temp=writes[i];
1596 TypeDescriptor type=temp.getType();
1597 if (type.isPtr()&&GENERATEPRECISEGC)
1598 objecttemps.addPtr(temp);
1600 objecttemps.addPrim(temp);
1605 //Generate code for parameters structure
1606 generateMethodParam(cn, bogusmd, null, outputStructs);
1608 //Generate code for locals structure
1609 outputStructs.println("struct "+cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"_"+bogusmd.getSafeMethodDescriptor()+"_locals {");
1610 outputStructs.println(" INTPTR size;");
1611 outputStructs.println(" void * next;");
1612 for(int i=0; i<objecttemps.numPointers(); i++) {
1613 TempDescriptor temp=objecttemps.getPointer(i);
1614 if (temp.getType().isNull())
1615 outputStructs.println(" void * "+temp.getSafeSymbol()+";");
1617 outputStructs.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1619 outputStructs.println("};\n");
1622 // write method declaration to header file
1623 outputMethHead.print("void ");
1624 outputMethHead.print(cn.getSafeSymbol()+bogusmd.getSafeSymbol()+"_"+bogusmd.getSafeMethodDescriptor()+"(");
1625 boolean printcomma=false;
1626 if (GENERATEPRECISEGC) {
1627 outputMethHead.print("struct "+cn.getSafeSymbol()+
1628 bogusmd.getSafeSymbol()+"_"+
1629 bogusmd.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1632 // Output parameter list
1633 for(int i=0; i<objectparams.numPrimitives(); i++) {
1634 TempDescriptor temp=objectparams.getPrimitive(i);
1636 outputMethHead.print(", ");
1638 if (temp.getType().isClass()||temp.getType().isArray())
1639 outputMethHead.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1641 outputMethHead.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1643 outputMethHead.println(");\n");
1646 generateFlatMethodSESE(bogusfm, cn, fsen, fsen.getFlatExit(), outputMethods);
1650 protected void generateCode(FlatNode first,
1653 FlatSESEExitNode stop,
1654 PrintWriter output) {
1656 //System.out.println( "generating code, stop="+stop );
1658 /* Assign labels to FlatNode's if necessary.*/
1659 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(first, stop);
1661 /* Do the actual code generation */
1662 FlatNode current_node=null;
1663 HashSet tovisit=new HashSet();
1664 HashSet visited=new HashSet();
1666 while(current_node!=null||!tovisit.isEmpty()) {
1667 if (current_node==null) {
1668 current_node=(FlatNode)tovisit.iterator().next();
1669 tovisit.remove(current_node);
1670 } else if (tovisit.contains(current_node)) {
1671 tovisit.remove(current_node);
1673 visited.add(current_node);
1674 if (nodetolabel.containsKey(current_node)) {
1676 //System.out.println( " *"+current_node+" preceeded with label "+nodetolabel.get(current_node) );
1678 output.println("L"+nodetolabel.get(current_node)+":");
1680 if (state.INSTRUCTIONFAILURE) {
1681 if (state.THREAD||state.DSM||state.SINGLETM) {
1682 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1684 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1686 if (current_node.numNext()==0||current_node==stop) {
1688 generateFlatNode(fm, lb, current_node, output);
1689 if (current_node.kind()!=FKind.FlatReturnNode) {
1690 output.println(" return;");
1693 } else if(current_node.numNext()==1) {
1695 if (state.MLP && current_node.kind()==FKind.FlatSESEEnterNode) {
1696 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
1697 nextnode=fsen.getFlatExit().getNext(0);
1700 generateFlatNode(fm, lb, current_node, output);
1701 nextnode=current_node.getNext(0);
1703 if (visited.contains(nextnode)) {
1704 output.println("goto L"+nodetolabel.get(nextnode)+";");
1707 current_node=nextnode;
1708 } else if (current_node.numNext()==2) {
1711 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1712 if (!visited.contains(current_node.getNext(1)))
1713 tovisit.add(current_node.getNext(1));
1714 if (visited.contains(current_node.getNext(0))) {
1715 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1718 current_node=current_node.getNext(0);
1719 } else throw new Error();
1724 /** This method assigns labels to FlatNodes */
1725 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first) {
1726 return assignLabels(first, null);
1728 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, FlatSESEExitNode last) {
1729 HashSet tovisit=new HashSet();
1730 HashSet visited=new HashSet();
1732 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1735 /*Assign labels first. A node needs a label if the previous
1736 * node has two exits or this node is a join point. */
1738 while(!tovisit.isEmpty()) {
1739 FlatNode fn=(FlatNode)tovisit.iterator().next();
1744 if( fn.equals(last) ) {
1745 // if last is not null and matches, don't go
1746 // any further for assigning labels
1750 for(int i=0; i<fn.numNext(); i++) {
1751 FlatNode nn=fn.getNext(i);
1754 //1) Edge >1 of node
1755 nodetolabel.put(nn,new Integer(labelindex++));
1757 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1761 nodetolabel.put(nn,new Integer(labelindex++));
1766 if( nodetolabel.get(nn) != null ) {
1767 System.out.println( " "+nn+" has label "+nodetolabel.get(nn) );
1777 /** Generate text string that corresponds to the TempDescriptor td. */
1778 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1779 MethodDescriptor md=fm.getMethod();
1780 TaskDescriptor task=fm.getTask();
1781 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1783 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1784 //System.out.println("generateTemp returns " + td.getSafeSymbol());
1785 return td.getSafeSymbol();
1788 if (objecttemps.isLocalPtr(td)) {
1789 return localsprefix+"."+td.getSafeSymbol();
1792 if (objecttemps.isParamPtr(td)) {
1793 return paramsprefix+"->"+td.getSafeSymbol();
1799 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1801 case FKind.FlatAtomicEnterNode:
1802 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1805 case FKind.FlatAtomicExitNode:
1806 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1809 case FKind.FlatInstanceOfNode:
1810 generateFlatInstanceOfNode(fm, lb, (FlatInstanceOfNode)fn, output);
1813 case FKind.FlatSESEEnterNode:
1816 case FKind.FlatSESEExitNode:
1819 case FKind.FlatGlobalConvNode:
1820 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1823 case FKind.FlatTagDeclaration:
1824 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1827 case FKind.FlatCall:
1828 generateFlatCall(fm, lb, (FlatCall) fn,output);
1831 case FKind.FlatFieldNode:
1832 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1835 case FKind.FlatElementNode:
1836 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1839 case FKind.FlatSetElementNode:
1840 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1843 case FKind.FlatSetFieldNode:
1844 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1848 generateFlatNew(fm, lb, (FlatNew) fn,output);
1851 case FKind.FlatOpNode:
1852 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1855 case FKind.FlatCastNode:
1856 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1859 case FKind.FlatLiteralNode:
1860 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1863 case FKind.FlatReturnNode:
1864 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1868 output.println("/* nop */");
1871 case FKind.FlatExit:
1872 output.println("/* exit */");
1875 case FKind.FlatBackEdge:
1876 if ((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC) {
1877 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1878 output.println("if (needtocollect) checkcollect2(&"+localsprefix+");");
1880 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1882 output.println("/* nop */");
1885 case FKind.FlatCheckNode:
1886 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1889 case FKind.FlatFlagActionNode:
1890 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1893 case FKind.FlatPrefetchNode:
1894 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1897 case FKind.FlatOffsetNode:
1898 generateFlatOffsetNode(fm, lb, (FlatOffsetNode)fn, output);
1904 public void generateFlatOffsetNode(FlatMethod fm, LocalityBinding lb, FlatOffsetNode fofn, PrintWriter output) {
1905 output.println("/* FlatOffsetNode */");
1906 FieldDescriptor fd=fofn.getField();
1907 output.println(generateTemp(fm, fofn.getDst(),lb)+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+ fd.getSafeSymbol()+");");
1908 output.println("/* offset */");
1911 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1912 if (state.PREFETCH) {
1913 Vector oids = new Vector();
1914 Vector fieldoffset = new Vector();
1915 Vector endoffset = new Vector();
1916 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1917 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
1918 PrefetchPair pp = (PrefetchPair) it.next();
1919 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1920 /* Find prefetches that can generate oid */
1921 if(statusbase == LocalityAnalysis.GLOBAL) {
1922 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1924 } else if (statusbase == LocalityAnalysis.LOCAL) {
1925 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1932 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
1933 output.println("{");
1934 output.println("/* prefetch */");
1935 output.println("/* prefetchid_" + fpn.siteid + " */");
1936 output.println("void * prefptr;");
1937 output.println("int tmpindex;");
1939 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1940 /*Create C code for oid array */
1941 output.print(" unsigned int oidarray_[] = {");
1942 boolean needcomma=false;
1943 for (Iterator it = oids.iterator(); it.hasNext();) {
1946 output.print(it.next());
1949 output.println("};");
1951 /*Create C code for endoffset values */
1952 output.print(" unsigned short endoffsetarry_[] = {");
1954 for (Iterator it = endoffset.iterator(); it.hasNext();) {
1957 output.print(it.next());
1960 output.println("};");
1962 /*Create C code for Field Offset Values */
1963 output.print(" short fieldarry_[] = {");
1965 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
1968 output.print(it.next());
1971 output.println("};");
1972 /* make the prefetch call to Runtime */
1973 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1974 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1975 output.println(" }");
1976 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1977 output.println(" } else {");
1978 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1979 output.println(" }");
1980 output.println("}");
1984 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1985 short offsetcount = 0;
1989 } else if (localbase) {
1990 for(; breakindex<pp.desc.size(); breakindex++) {
1991 Descriptor desc=pp.getDescAt(breakindex);
1992 if (desc instanceof FieldDescriptor) {
1993 FieldDescriptor fd=(FieldDescriptor)desc;
1994 if (fd.isGlobal()) {
2002 if (breakindex>pp.desc.size()) //all local
2005 TypeDescriptor lasttype=pp.base.getType();
2006 String basestr=generateTemp(fm, pp.base, lb);
2008 boolean maybenull=fm.getMethod().isStatic()||
2009 !pp.base.equals(fm.getParameter(0));
2011 for(int i=0; i<breakindex; i++) {
2012 String indexcheck="";
2014 Descriptor desc=pp.getDescAt(i);
2015 if (desc instanceof FieldDescriptor) {
2016 FieldDescriptor fd=(FieldDescriptor)desc;
2018 if (!teststr.equals(""))
2020 teststr+="((prefptr="+basestr+")!=NULL)";
2021 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
2023 basestr=basestr+"->"+fd.getSafeSymbol();
2026 lasttype=fd.getType();
2028 IndexDescriptor id=(IndexDescriptor)desc;
2029 indexcheck="((tmpindex=";
2030 for(int j=0; j<id.tddesc.size(); j++) {
2031 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
2033 indexcheck+=id.offset+")>=0)&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
2035 if (!teststr.equals(""))
2037 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
2038 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
2040 lasttype=lasttype.dereference();
2045 if (teststr.equals("")) {
2046 oid="((unsigned int)"+basestr+")";
2048 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
2052 for(int i = breakindex; i < pp.desc.size(); i++) {
2053 String newfieldoffset;
2054 Object desc = pp.getDescAt(i);
2055 if(desc instanceof FieldDescriptor) {
2056 FieldDescriptor fd=(FieldDescriptor)desc;
2057 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
2058 lasttype=fd.getType();
2060 newfieldoffset = "";
2061 IndexDescriptor id=(IndexDescriptor)desc;
2062 for(int j = 0; j < id.tddesc.size(); j++) {
2063 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
2065 newfieldoffset += id.offset.toString();
2066 lasttype=lasttype.dereference();
2068 fieldoffset.add(newfieldoffset);
2071 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
2072 base+=pp.desc.size()-breakindex;
2073 endoffset.add(new Short((short)base));
2078 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
2079 if (lb!=fgcn.getLocality())
2081 /* Have to generate flat globalconv */
2082 if (fgcn.getMakePtr()) {
2084 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
2086 if ((dc==null)||dc.getNeedTrans(lb, fgcn)) {
2087 //need to do translation
2088 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc(),lb)+", "+generateTemp(fm, fgcn.getSrc(),lb)+", (void *)&("+localsprefix+"));");
2092 /* Need to convert to OID */
2093 if (fgcn.doConvert()) {
2094 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
2096 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
2101 public void generateFlatInstanceOfNode(FlatMethod fm, LocalityBinding lb, FlatInstanceOfNode fion, PrintWriter output) {
2103 if (fion.getType().isArray()) {
2104 type=state.getArrayNumber(fion.getType())+state.numClasses();
2106 type=fion.getType().getClassDesc().getId();
2109 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2110 output.println(generateTemp(fm, fion.getDst(), lb)+"=1;");
2112 output.println(generateTemp(fm, fion.getDst(), lb)+"=instanceof("+generateTemp(fm,fion.getSrc(),lb)+","+type+");");
2115 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
2116 /* Check to see if we need to generate code for this atomic */
2117 if (locality==null) {
2118 output.println("pthread_mutex_lock(&atomiclock);");
2122 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
2124 /* Backup the temps. */
2125 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2126 TempDescriptor tmp=tmpit.next();
2127 output.println(generateTemp(fm, backuptable.get(lb).get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
2130 output.println("goto transstart"+faen.getIdentifier()+";");
2132 /******* Print code to retry aborted transaction *******/
2133 output.println("transretry"+faen.getIdentifier()+":");
2136 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
2137 TempDescriptor tmp=tmpit.next();
2138 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(lb).get(tmp),lb)+";");
2142 /********* Need to revert local object store ********/
2143 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2145 output.println("while ("+revertptr+") {");
2146 output.println("struct ___Object___ * tmpptr;");
2147 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2148 output.println("REVERT_OBJ("+revertptr+");");
2149 output.println(revertptr+"=tmpptr;");
2150 output.println("}");
2152 /******* Tell the runtime to start the transaction *******/
2154 output.println("transstart"+faen.getIdentifier()+":");
2155 output.println("transStart();");
2157 if (state.ABORTREADERS) {
2158 output.println("if (_setjmp(aborttrans)) {");
2159 output.println(" goto transretry"+faen.getIdentifier()+"; }");
2163 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
2164 /* Check to see if we need to generate code for this atomic */
2165 if (locality==null) {
2166 output.println("pthread_mutex_unlock(&atomiclock);");
2169 if (locality.getAtomic(lb).get(faen).intValue()>0)
2171 //store the revert list before we lose the transaction object
2172 String revertptr=null;
2174 revertptr=generateTemp(fm, reverttable.get(lb),lb);
2175 output.println(revertptr+"=revertlist;");
2177 output.println("if (transCommit()) {");
2178 /* Transaction aborts if it returns true */
2179 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
2181 output.println("} else {");
2182 /* Need to commit local object store */
2183 output.println("while ("+revertptr+") {");
2184 output.println("struct ___Object___ * tmpptr;");
2185 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
2186 output.println("COMMIT_OBJ("+revertptr+");");
2187 output.println(revertptr+"=tmpptr;");
2188 output.println("}");
2190 output.println("}");
2193 public void generateFlatSESEEnterNode(FlatMethod fm, LocalityBinding lb, FlatSESEEnterNode faen, PrintWriter output) {
2196 public void generateFlatSESEExitNode(FlatMethod fm, LocalityBinding lb, FlatSESEExitNode faen, PrintWriter output) {
2199 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
2200 if (state.CONSCHECK) {
2201 String specname=fcn.getSpec();
2202 String varname="repairstate___";
2203 output.println("{");
2204 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2206 TempDescriptor[] temps=fcn.getTemps();
2207 String[] vars=fcn.getVars();
2208 for(int i=0; i<temps.length; i++) {
2209 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
2212 output.println("if (doanalysis"+specname+"("+varname+")) {");
2213 output.println("free"+specname+"_state("+varname+");");
2214 output.println("} else {");
2215 output.println("/* Bad invariant */");
2216 output.println("free"+specname+"_state("+varname+");");
2217 output.println("abort_task();");
2218 output.println("}");
2219 output.println("}");
2223 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
2224 MethodDescriptor md=fc.getMethod();
2225 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM||state.SINGLETM ? locality.getBinding(lb, fc) : md);
2226 ClassDescriptor cn=md.getClassDesc();
2227 output.println("{");
2228 if (GENERATEPRECISEGC) {
2229 if (state.DSM||state.SINGLETM) {
2230 LocalityBinding fclb=locality.getBinding(lb, fc);
2231 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2233 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2235 output.print(objectparams.numPointers());
2236 output.print(", & "+localsprefix);
2237 if (md.getThis()!=null) {
2239 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
2241 if (fc.getThis()!=null&&md.getThis()==null) {
2242 System.out.println("WARNING!!!!!!!!!!!!");
2243 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2247 for(int i=0; i<fc.numArgs(); i++) {
2248 Descriptor var=md.getParameter(i);
2249 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2250 if (objectparams.isParamPtr(paramtemp)) {
2251 TempDescriptor targ=fc.getArg(i);
2253 TypeDescriptor td=md.getParamType(i);
2255 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2257 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
2260 output.println("};");
2265 if (fc.getReturnTemp()!=null)
2266 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
2268 /* Do we need to do virtual dispatch? */
2269 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
2271 if (state.DSM||state.SINGLETM) {
2272 LocalityBinding fclb=locality.getBinding(lb, fc);
2273 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2275 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
2280 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2281 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2283 output.print(md.getReturnType().getSafeSymbol()+" ");
2284 output.print("(*)(");
2286 boolean printcomma=false;
2287 if (GENERATEPRECISEGC) {
2288 if (state.DSM||state.SINGLETM) {
2289 LocalityBinding fclb=locality.getBinding(lb, fc);
2290 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2292 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
2296 for(int i=0; i<objectparams.numPrimitives(); i++) {
2297 TempDescriptor temp=objectparams.getPrimitive(i);
2301 if (temp.getType().isClass()||temp.getType().isArray())
2302 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2304 output.print(temp.getType().getSafeSymbol());
2308 if (state.DSM||state.SINGLETM) {
2309 LocalityBinding fclb=locality.getBinding(lb, fc);
2310 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
2312 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2316 boolean needcomma=false;
2317 if (GENERATEPRECISEGC) {
2318 output.print("&__parameterlist__");
2322 if (!GENERATEPRECISEGC) {
2323 if (fc.getThis()!=null) {
2324 TypeDescriptor ptd=md.getThis().getType();
2327 if (ptd.isClass()&&!ptd.isArray())
2328 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2329 output.print(generateTemp(fm,fc.getThis(),lb));
2334 for(int i=0; i<fc.numArgs(); i++) {
2335 Descriptor var=md.getParameter(i);
2336 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2337 if (objectparams.isParamPrim(paramtemp)) {
2338 TempDescriptor targ=fc.getArg(i);
2342 TypeDescriptor ptd=md.getParamType(i);
2343 if (ptd.isClass()&&!ptd.isArray())
2344 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2345 output.print(generateTemp(fm, targ,lb));
2349 output.println(");");
2350 output.println(" }");
2353 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2354 Set subclasses=typeutil.getSubClasses(thiscd);
2355 if (subclasses==null)
2357 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
2358 ClassDescriptor cd=(ClassDescriptor)classit.next();
2359 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
2360 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
2361 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2362 if (md.matches(matchmd))
2369 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
2370 if (state.SINGLETM) {
2371 //single machine transactional memory case
2372 String field=ffn.getField().getSafeSymbol();
2373 String src=generateTemp(fm, ffn.getSrc(),lb);
2374 String dst=generateTemp(fm, ffn.getDst(),lb);
2376 output.println(dst+"="+ src +"->"+field+ ";");
2377 if (ffn.getField().getType().isPtr()&&locality.getAtomic(lb).get(ffn).intValue()>0&&
2378 ((dc==null)||dc.getNeedTrans(lb, ffn))&&
2379 locality.getNodePreTempInfo(lb, ffn).get(ffn.getSrc())!=LocalityAnalysis.SCRATCH) {
2380 output.println("TRANSREAD("+dst+", "+dst+", (void *) &(" + localsprefix + "));");
2382 } else if (state.DSM) {
2383 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
2384 if (status==LocalityAnalysis.GLOBAL) {
2385 String field=ffn.getField().getSafeSymbol();
2386 String src=generateTemp(fm, ffn.getSrc(),lb);
2387 String dst=generateTemp(fm, ffn.getDst(),lb);
2389 if (ffn.getField().getType().isPtr()) {
2391 //TODO: Uncomment this when we have runtime support
2392 //if (ffn.getSrc()==ffn.getDst()) {
2393 //output.println("{");
2394 //output.println("void * temp="+src+";");
2395 //output.println("if (temp&0x1) {");
2396 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
2397 //output.println(src+"->"+field+"="+temp+";");
2398 //output.println("}");
2399 //output.println(dst+"=temp;");
2400 //output.println("}");
2402 output.println(dst+"="+ src +"->"+field+ ";");
2403 //output.println("if ("+dst+"&0x1) {");
2404 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2405 //output.println(src+"->"+field+"="+src+"->"+field+";");
2406 //output.println("}");
2409 output.println(dst+"="+ src+"->"+field+";");
2411 } else if (status==LocalityAnalysis.LOCAL) {
2412 if (ffn.getField().getType().isPtr()&&
2413 ffn.getField().isGlobal()) {
2414 String field=ffn.getField().getSafeSymbol();
2415 String src=generateTemp(fm, ffn.getSrc(),lb);
2416 String dst=generateTemp(fm, ffn.getDst(),lb);
2417 output.println(dst+"="+ src +"->"+field+ ";");
2418 if (locality.getAtomic(lb).get(ffn).intValue()>0)
2419 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
2421 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2422 } else if (status==LocalityAnalysis.EITHER) {
2423 //Code is reading from a null pointer
2424 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
2425 output.println("#ifndef RAW");
2426 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2427 output.println("#endif");
2428 //This should throw a suitable null pointer error
2429 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2431 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2433 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
2437 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
2438 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2439 throw new Error("Can't set array length");
2440 if (state.SINGLETM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2441 //Single Machine Transaction Case
2442 boolean srcptr=fsfn.getSrc().getType().isPtr();
2443 String src=generateTemp(fm,fsfn.getSrc(),lb);
2444 String dst=generateTemp(fm,fsfn.getDst(),lb);
2445 if (srcptr&&!fsfn.getSrc().getType().isNull()) {
2446 output.println("{");
2447 if ((dc==null)||dc.getNeedSrcTrans(lb, fsfn)&&
2448 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getSrc())!=LocalityAnalysis.SCRATCH) {
2449 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2451 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2454 if (wb.needBarrier(fsfn)&&
2455 locality.getNodePreTempInfo(lb, fsfn).get(fsfn.getDst())!=LocalityAnalysis.SCRATCH) {
2456 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
2458 if (srcptr&!fsfn.getSrc().getType().isNull()) {
2459 output.println("*((unsigned INTPTR *)&("+dst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2460 output.println("}");
2462 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2464 } else if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
2465 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
2466 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
2467 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2469 String src=generateTemp(fm,fsfn.getSrc(),lb);
2470 String dst=generateTemp(fm,fsfn.getDst(),lb);
2472 output.println("{");
2473 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2475 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2478 if (wb.needBarrier(fsfn))
2479 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2481 output.println("*((unsigned INTPTR *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2483 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2484 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2485 /** Check if we need to copy */
2486 output.println("if(!"+dst+"->"+localcopystr+") {");
2487 /* Link object into list */
2488 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2489 output.println(revertptr+"=revertlist;");
2490 if (GENERATEPRECISEGC)
2491 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2493 output.println("COPY_OBJ("+dst+");");
2494 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2495 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2496 output.println("}");
2498 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2500 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2501 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2502 //writing to a null...bad
2503 output.println("if ("+dst+") {");
2504 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2506 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
2508 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2511 output.println("}");
2514 if (state.FASTCHECK) {
2515 String dst=generateTemp(fm, fsfn.getDst(),lb);
2516 output.println("if(!"+dst+"->"+localcopystr+") {");
2517 /* Link object into list */
2518 if (GENERATEPRECISEGC)
2519 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2521 output.println("COPY_OBJ("+dst+");");
2522 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2523 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2524 output.println("}");
2526 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2530 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2531 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2534 if (elementtype.isArray()||elementtype.isClass())
2537 type=elementtype.getSafeSymbol()+" ";
2539 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2540 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 | "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2541 output.println("failedboundschk();");
2543 if (state.SINGLETM) {
2544 //Single machine transaction case
2545 String dst=generateTemp(fm, fen.getDst(),lb);
2546 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2548 if (elementtype.isPtr()&&locality.getAtomic(lb).get(fen).intValue()>0&&
2549 ((dc==null)||dc.getNeedTrans(lb, fen))&&
2550 locality.getNodePreTempInfo(lb, fen).get(fen.getSrc())!=LocalityAnalysis.SCRATCH) {
2551 output.println("TRANSREAD("+dst+", "+dst+", (void *)&(" + localsprefix+"));");
2553 } else if (state.DSM) {
2554 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2555 if (status==LocalityAnalysis.GLOBAL) {
2556 String dst=generateTemp(fm, fen.getDst(),lb);
2558 if (elementtype.isPtr()) {
2559 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2560 output.println("TRANSREAD("+dst+", "+dst+");");
2562 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2564 } else if (status==LocalityAnalysis.LOCAL) {
2565 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2566 } else if (status==LocalityAnalysis.EITHER) {
2567 //Code is reading from a null pointer
2568 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2569 output.println("#ifndef RAW");
2570 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2571 output.println("#endif");
2572 //This should throw a suitable null pointer error
2573 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2575 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2577 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2581 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2582 //TODO: need dynamic check to make sure this assignment is actually legal
2583 //Because Object[] could actually be something more specific...ie. Integer[]
2585 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2588 if (elementtype.isArray()||elementtype.isClass())
2591 type=elementtype.getSafeSymbol()+" ";
2593 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2594 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 | "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2595 output.println("failedboundschk();");
2598 if (state.SINGLETM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2599 //Transaction set element case
2600 if (wb.needBarrier(fsen)&&
2601 locality.getNodePreTempInfo(lb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH) {
2602 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___objstatus___))|=DIRTY;");
2604 if (fsen.getSrc().getType().isPtr()&&!fsen.getSrc().getType().isNull()) {
2605 output.println("{");
2606 String src=generateTemp(fm, fsen.getSrc(), lb);
2607 if ((dc==null)||dc.getNeedSrcTrans(lb, fsen)&&
2608 locality.getNodePreTempInfo(lb, fsen).get(fsen.getSrc())!=LocalityAnalysis.SCRATCH) {
2609 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2611 output.println("INTPTR srcoid=(INTPTR)"+src+";");
2613 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2614 output.println("}");
2616 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2618 } else if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2619 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2620 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2621 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2622 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2623 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2626 if (wb.needBarrier(fsen))
2627 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2628 } else if (dstlocal) {
2629 /** Check if we need to copy */
2630 String dst=generateTemp(fm, fsen.getDst(),lb);
2631 output.println("if(!"+dst+"->"+localcopystr+") {");
2632 /* Link object into list */
2633 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2634 output.println(revertptr+"=revertlist;");
2635 if (GENERATEPRECISEGC)
2636 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2638 output.println("COPY_OBJ("+dst+");");
2639 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2640 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2641 output.println("}");
2642 } else throw new Error("Unknown array type");
2644 output.println("{");
2645 String src=generateTemp(fm, fsen.getSrc(), lb);
2646 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2647 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2648 output.println("}");
2650 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2653 if (state.FASTCHECK) {
2654 String dst=generateTemp(fm, fsen.getDst(),lb);
2655 output.println("if(!"+dst+"->"+localcopystr+") {");
2656 /* Link object into list */
2657 if (GENERATEPRECISEGC)
2658 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2660 output.println("COPY_OBJ("+dst+");");
2661 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2662 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2663 output.println("}");
2665 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2669 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2670 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2671 //Stash pointer in case of GC
2672 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2673 output.println(revertptr+"=revertlist;");
2675 if (state.SINGLETM) {
2676 if (fn.getType().isArray()) {
2677 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2678 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2679 //inside transaction
2680 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarraytrans(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2682 //outside transaction
2683 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2686 if (locality.getAtomic(lb).get(fn).intValue()>0) {
2687 //inside transaction
2688 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newtrans(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2690 //outside transaction
2691 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2694 } else if (fn.getType().isArray()) {
2695 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2696 if (fn.isGlobal()&&(state.DSM||state.SINGLETM)) {
2697 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2698 } else if (GENERATEPRECISEGC) {
2699 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2701 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2704 if (fn.isGlobal()) {
2705 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
2706 } else if (GENERATEPRECISEGC) {
2707 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2709 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2712 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2713 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2714 String dst=generateTemp(fm,fn.getDst(),lb);
2715 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2716 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2717 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2719 if (state.FASTCHECK) {
2720 String dst=generateTemp(fm,fn.getDst(),lb);
2721 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2722 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2723 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2727 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2728 if (GENERATEPRECISEGC) {
2729 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2731 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2735 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2736 if (fon.getRight()!=null) {
2737 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2738 if (fon.getLeft().getType().isLong())
2739 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2741 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2744 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2745 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2746 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2747 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2748 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2749 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2750 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2751 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2752 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2753 else if (fon.getOp().getOp()==Operation.COMP)
2754 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2755 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2756 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2758 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2761 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2762 /* TODO: Do type check here */
2763 if (fcn.getType().isArray()) {
2765 } else if (fcn.getType().isClass())
2766 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2768 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2771 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2772 if (fln.getValue()==null)
2773 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2774 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2775 if (GENERATEPRECISEGC) {
2776 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2777 //Stash pointer in case of GC
2778 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2779 output.println(revertptr+"=revertlist;");
2781 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2782 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2783 //Stash pointer in case of GC
2784 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2785 output.println("revertlist="+revertptr+";");
2788 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2790 } else if (fln.getType().isBoolean()) {
2791 if (((Boolean)fln.getValue()).booleanValue())
2792 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2794 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2795 } else if (fln.getType().isChar()) {
2796 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2797 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2798 } else if (fln.getType().isLong()) {
2799 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2801 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2804 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2805 if (frn.getReturnTemp()!=null) {
2806 if (frn.getReturnTemp().getType().isPtr())
2807 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2809 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2811 output.println("return;");
2815 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2816 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2819 /** This method generates header information for the method or
2820 * task referenced by the Descriptor des. */
2822 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2824 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2825 MethodDescriptor md=null;
2826 TaskDescriptor task=null;
2827 if (des instanceof MethodDescriptor)
2828 md=(MethodDescriptor) des;
2830 task=(TaskDescriptor) des;
2832 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2834 if (md!=null&&md.getReturnType()!=null) {
2835 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2836 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2838 output.print(md.getReturnType().getSafeSymbol()+" ");
2840 //catch the constructor case
2841 output.print("void ");
2843 if (state.DSM||state.SINGLETM) {
2844 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2846 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2848 output.print(task.getSafeSymbol()+"(");
2850 boolean printcomma=false;
2851 if (GENERATEPRECISEGC) {
2853 if (state.DSM||state.SINGLETM) {
2854 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2856 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2858 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2864 for(int i=0; i<objectparams.numPrimitives(); i++) {
2865 TempDescriptor temp=objectparams.getPrimitive(i);
2869 if (temp.getType().isClass()||temp.getType().isArray())
2870 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2872 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2874 output.println(") {");
2875 } else if (!GENERATEPRECISEGC) {
2876 /* Imprecise Task */
2877 output.println("void * parameterarray[]) {");
2878 /* Unpack variables */
2879 for(int i=0; i<objectparams.numPrimitives(); i++) {
2880 TempDescriptor temp=objectparams.getPrimitive(i);
2881 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2883 for(int i=0; i<fm.numTags(); i++) {
2884 TempDescriptor temp=fm.getTag(i);
2885 int offset=i+objectparams.numPrimitives();
2886 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2889 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2890 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2891 } else output.println(") {");
2894 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2895 output.println("/* FlatFlagActionNode */");
2898 /* Process tag changes */
2899 Relation tagsettable=new Relation();
2900 Relation tagcleartable=new Relation();
2902 Iterator tagsit=ffan.getTempTagPairs();
2903 while (tagsit.hasNext()) {
2904 TempTagPair ttp=(TempTagPair) tagsit.next();
2905 TempDescriptor objtmp=ttp.getTemp();
2906 TagDescriptor tag=ttp.getTag();
2907 TempDescriptor tagtmp=ttp.getTagTemp();
2908 boolean tagstatus=ffan.getTagChange(ttp);
2910 tagsettable.put(objtmp, tagtmp);
2912 tagcleartable.put(objtmp, tagtmp);
2917 Hashtable flagandtable=new Hashtable();
2918 Hashtable flagortable=new Hashtable();
2920 /* Process flag changes */
2921 Iterator flagsit=ffan.getTempFlagPairs();
2922 while(flagsit.hasNext()) {
2923 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2924 TempDescriptor temp=tfp.getTemp();
2925 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2926 FlagDescriptor flag=tfp.getFlag();
2928 //Newly allocate objects that don't set any flags case
2929 if (flagortable.containsKey(temp)) {
2933 flagortable.put(temp,new Integer(mask));
2935 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2936 boolean flagstatus=ffan.getFlagChange(tfp);
2939 if (flagortable.containsKey(temp)) {
2940 mask=((Integer)flagortable.get(temp)).intValue();
2943 flagortable.put(temp,new Integer(mask));
2945 int mask=0xFFFFFFFF;
2946 if (flagandtable.containsKey(temp)) {
2947 mask=((Integer)flagandtable.get(temp)).intValue();
2949 mask&=(0xFFFFFFFF^flagid);
2950 flagandtable.put(temp,new Integer(mask));
2956 HashSet flagtagset=new HashSet();
2957 flagtagset.addAll(flagortable.keySet());
2958 flagtagset.addAll(flagandtable.keySet());
2959 flagtagset.addAll(tagsettable.keySet());
2960 flagtagset.addAll(tagcleartable.keySet());
2962 Iterator ftit=flagtagset.iterator();
2963 while(ftit.hasNext()) {
2964 TempDescriptor temp=(TempDescriptor)ftit.next();
2967 Set tagtmps=tagcleartable.get(temp);
2968 if (tagtmps!=null) {
2969 Iterator tagit=tagtmps.iterator();
2970 while(tagit.hasNext()) {
2971 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2972 if (GENERATEPRECISEGC)
2973 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2975 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2979 tagtmps=tagsettable.get(temp);
2980 if (tagtmps!=null) {
2981 Iterator tagit=tagtmps.iterator();
2982 while(tagit.hasNext()) {
2983 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2984 if (GENERATEPRECISEGC)
2985 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2987 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2992 int andmask=0xFFFFFFF;
2994 if (flagortable.containsKey(temp))
2995 ormask=((Integer)flagortable.get(temp)).intValue();
2996 if (flagandtable.containsKey(temp))
2997 andmask=((Integer)flagandtable.get(temp)).intValue();
2998 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2999 generateObjectDistribute(ffan, fm, lb, temp, output);
3003 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
3004 PrintWriter output, int ormask, int andmask) {
3005 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3006 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3008 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3012 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
3013 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
3016 void generateOptionalHeader(PrintWriter headers) {
3019 headers.println("#include \"task.h\"\n\n");
3020 headers.println("#ifndef _OPTIONAL_STRUCT_");
3021 headers.println("#define _OPTIONAL_STRUCT_");
3023 //STRUCT PREDICATEMEMBER
3024 headers.println("struct predicatemember{");
3025 headers.println("int type;");
3026 headers.println("int numdnfterms;");
3027 headers.println("int * flags;");
3028 headers.println("int numtags;");
3029 headers.println("int * tags;\n};\n\n");
3031 //STRUCT OPTIONALTASKDESCRIPTOR
3032 headers.println("struct optionaltaskdescriptor{");
3033 headers.println("struct taskdescriptor * task;");
3034 headers.println("int index;");
3035 headers.println("int numenterflags;");
3036 headers.println("int * enterflags;");
3037 headers.println("int numpredicatemembers;");
3038 headers.println("struct predicatemember ** predicatememberarray;");
3039 headers.println("};\n\n");
3041 //STRUCT TASKFAILURE
3042 headers.println("struct taskfailure {");
3043 headers.println("struct taskdescriptor * task;");
3044 headers.println("int index;");
3045 headers.println("int numoptionaltaskdescriptors;");
3046 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3048 //STRUCT FSANALYSISWRAPPER
3049 headers.println("struct fsanalysiswrapper{");
3050 headers.println("int flags;");
3051 headers.println("int numtags;");
3052 headers.println("int * tags;");
3053 headers.println("int numtaskfailures;");
3054 headers.println("struct taskfailure ** taskfailurearray;");
3055 headers.println("int numoptionaltaskdescriptors;");
3056 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3058 //STRUCT CLASSANALYSISWRAPPER
3059 headers.println("struct classanalysiswrapper{");
3060 headers.println("int type;");
3061 headers.println("int numotd;");
3062 headers.println("struct optionaltaskdescriptor ** otdarray;");
3063 headers.println("int numfsanalysiswrappers;");
3064 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3066 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3068 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3069 while(taskit.hasNext()) {
3070 TaskDescriptor td=(TaskDescriptor)taskit.next();
3071 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3076 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3077 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3078 int predicateindex = 0;
3079 //iterate through the classes concerned by the predicate
3080 Set c_vard = predicate.vardescriptors;
3081 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3084 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
3085 VarDescriptor vard = (VarDescriptor)vard_it.next();
3086 TypeDescriptor typed = vard.getType();
3088 //generate for flags
3089 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3090 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3092 if (fen_hashset!=null) {
3093 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
3094 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3096 DNFFlag dflag=fen.getDNF();
3097 numberterms+=dflag.size();
3099 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3101 for(int j=0; j<dflag.size(); j++) {
3103 output.println(",");
3104 Vector term=dflag.get(j);
3107 for(int k=0; k<term.size(); k++) {
3108 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3109 FlagDescriptor fd=dfa.getFlag();
3110 boolean negated=dfa.getNegated();
3111 int flagid=1<<((Integer)flags.get(fd)).intValue();
3116 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3121 output.println("};\n");
3124 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3125 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3128 for(int j=0; j<tagel.numTags(); j++) {
3130 output.println(",");
3131 TempDescriptor tmp=tagel.getTemp(j);
3132 if (!slotnumber.containsKey(tmp)) {
3133 Integer slotint=new Integer(current_slot++);
3134 slotnumber.put(tmp,slotint);
3136 int slot=slotnumber.get(tmp).intValue();
3137 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3139 numtags = tagel.numTags();
3141 output.println("};");
3143 //store the result into a predicatemember struct
3144 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3145 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3146 output.println("/* number of dnf terms */"+numberterms+",");
3147 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3148 output.println("/* number of tag */"+numtags+",");
3149 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3150 output.println("};\n");
3155 //generate an array that stores the entire predicate
3156 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3157 for( int j = 0; j<predicateindex; j++) {
3158 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3159 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3161 output.println("};\n");
3162 return predicateindex;
3166 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3167 generateOptionalHeader(headers);
3169 output.println("#include \"optionalstruct.h\"\n\n");
3170 output.println("#include \"stdlib.h\"\n");
3172 HashSet processedcd = new HashSet();
3174 Enumeration e = safeexecution.keys();
3175 while (e.hasMoreElements()) {
3178 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3179 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3181 //Generate the struct of optionals
3182 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3183 numotd = c_otd.size();
3184 if(maxotd<numotd) maxotd = numotd;
3185 if( !c_otd.isEmpty() ) {
3186 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3187 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3189 //generate the int arrays for the predicate
3190 Predicate predicate = otd.predicate;
3191 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3192 TreeSet<Integer> fsset=new TreeSet<Integer>();
3193 //iterate through possible FSes corresponding to
3194 //the state when entering
3196 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
3197 FlagState fs = (FlagState)fses.next();
3199 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3200 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3201 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3204 fsset.add(new Integer(flagid));
3205 //tag information not needed because tag
3206 //changes are not tolerated.
3209 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3210 boolean needcomma=false;
3211 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
3214 output.println(it.next());
3217 output.println("};\n");
3220 //generate optionaltaskdescriptor that actually
3221 //includes exit fses, predicate and the task
3223 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3224 output.println("&task_"+otd.td.getSafeSymbol()+",");
3225 output.println("/*index*/"+otd.getIndex()+",");
3226 output.println("/*number of enter flags*/"+fsset.size()+",");
3227 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3228 output.println("/*number of members */"+predicateindex+",");
3229 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3230 output.println("};\n");
3234 // if there are no optionals, there is no need to build the rest of the struct
3236 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3237 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3238 if( !c_otd.isEmpty() ) {
3239 boolean needcomma=false;
3240 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
3241 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3243 output.println(",");
3245 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3248 output.println("};\n");
3250 //get all the possible flagstates reachable by an object
3251 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3253 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3254 fsts.addAll(hashtbtemp.keySet());
3255 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
3256 FlagState fs = (FlagState)fsit.next();
3259 //get the set of OptionalTaskDescriptors corresponding
3260 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3261 //iterate through the OptionalTaskDescriptors and
3262 //store the pointers to the optionals struct (see on
3263 //top) into an array
3265 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3266 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
3267 OptionalTaskDescriptor mm = mos.next();
3269 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3271 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3274 output.println("};\n");
3276 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3279 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
3280 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3281 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3285 //process tag information
3288 boolean first = true;
3289 Enumeration tag_enum = fs.getTags();
3290 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3291 while(tag_enum.hasMoreElements()) {
3293 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3297 output.println(", ");
3298 output.println("/*tagid*/"+state.getTagId(tagd));
3300 output.println("};");
3302 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3303 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3304 TaskIndex ti=itti.next();
3308 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3310 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3311 boolean needcomma=false;
3312 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
3313 OptionalTaskDescriptor otd=otdit.next();
3317 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3319 output.println("};");
3321 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3322 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3323 output.print(ti.getIndex()+", ");
3324 output.print(otdset.size()+", ");
3325 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3326 output.println("};");
3329 tiset=sa.getTaskIndex(fs);
3330 boolean needcomma=false;
3332 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3333 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
3334 TaskIndex ti=itti.next();
3335 if (ti.isRuntime()) {
3342 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3344 output.println("};\n");
3346 //Store the result in fsanalysiswrapper
3348 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3349 output.println("/*flag*/"+flagid+",");
3350 output.println("/* number of tags*/"+tagcounter+",");
3351 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3352 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3353 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3354 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3355 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3356 output.println("};\n");
3360 //Build the array of fsanalysiswrappers
3361 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3362 boolean needcomma=false;
3363 for(int i = 0; i<fscounter; i++) {
3364 if (needcomma) output.print(",");
3365 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3368 output.println("};");
3370 //Build the classanalysiswrapper referring to the previous array
3371 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3372 output.println("/*type*/"+cdtemp.getId()+",");
3373 output.println("/*numotd*/"+numotd+",");
3374 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3375 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3376 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3377 processedcd.add(cdtemp);
3380 //build an array containing every classes for which code has been build
3381 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3382 for(int i=0; i<state.numClasses(); i++) {
3383 ClassDescriptor cn=cdarray[i];
3386 if (processedcd.contains(cn))
3387 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3389 output.print("NULL");
3391 output.println("};");
3393 output.println("#define MAXOTD "+maxotd);
3394 headers.println("#endif");
3397 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3398 Relation r=new Relation();
3399 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
3400 OptionalTaskDescriptor otd=otdit.next();
3401 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3405 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3406 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
3407 Set s=r.get(it.next());
3408 for(Iterator it2=s.iterator(); it2.hasNext();) {
3409 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3417 protected void outputTransCode(PrintWriter output) {