2 import IR.Tree.FlagExpressionNode;
3 import IR.Tree.DNFFlag;
4 import IR.Tree.DNFFlagAtom;
5 import IR.Tree.TagExpressionList;
11 import Analysis.TaskStateAnalysis.FlagState;
12 import Analysis.TaskStateAnalysis.FlagComparator;
13 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
14 import Analysis.TaskStateAnalysis.Predicate;
15 import Analysis.TaskStateAnalysis.SafetyAnalysis;
16 import Analysis.TaskStateAnalysis.TaskIndex;
17 import Analysis.Locality.LocalityAnalysis;
18 import Analysis.Locality.LocalityBinding;
19 import Analysis.Prefetch.*;
21 public class BuildCode {
24 Hashtable paramstable;
29 String localsprefix="___locals___";
30 String paramsprefix="___params___";
31 String oidstr="___nextobject___";
32 String nextobjstr="___nextobject___";
33 String localcopystr="___localcopy___";
34 public static boolean GENERATEPRECISEGC=false;
35 public static String PREFIX="";
36 public static String arraytype="ArrayObject";
37 public static int flagcount = 0;
40 protected int maxtaskparams=0;
41 private int maxcount=0;
42 ClassDescriptor[] cdarray;
43 TypeDescriptor[] arraytable;
44 LocalityAnalysis locality;
45 Hashtable<TempDescriptor, TempDescriptor> backuptable;
46 Hashtable<LocalityBinding, TempDescriptor> reverttable;
50 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
51 this(st, temptovar, typeutil, null, sa, pa);
54 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
55 this(st, temptovar, typeutil, locality, null, pa);
58 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa) {
62 this.temptovar=temptovar;
63 paramstable=new Hashtable();
64 tempstable=new Hashtable();
65 fieldorder=new Hashtable();
66 flagorder=new Hashtable();
67 this.typeutil=typeutil;
68 virtualcalls=new Virtual(state,locality);
70 this.locality=locality;
71 this.backuptable=new Hashtable<TempDescriptor, TempDescriptor>();
72 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
76 /** The buildCode method outputs C code for all the methods. The Flat
77 * versions of the methods must already be generated and stored in
78 * the State object. */
80 public void buildCode() {
81 /* Create output streams to write to */
82 PrintWriter outclassdefs=null;
83 PrintWriter outstructs=null;
84 PrintWriter outrepairstructs=null;
85 PrintWriter outmethodheader=null;
86 PrintWriter outmethod=null;
87 PrintWriter outvirtual=null;
88 PrintWriter outtask=null;
89 PrintWriter outtaskdefs=null;
90 PrintWriter outoptionalarrays=null;
91 PrintWriter optionalheaders=null;
94 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
95 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
96 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
97 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
98 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
100 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
101 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
103 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
104 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
107 if (state.structfile!=null) {
108 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
110 } catch (Exception e) {
115 /* Build the virtual dispatch tables */
116 buildVirtualTables(outvirtual);
118 /* Output includes */
119 outmethodheader.println("#ifndef METHODHEADERS_H");
120 outmethodheader.println("#define METHODHEADERS_H");
121 outmethodheader.println("#include \"structdefs.h\"");
123 outmethodheader.println("#include \"dstm.h\"");
125 /* Output Structures */
126 outputStructs(outstructs);
128 // Output the C class declarations
129 // These could mutually reference each other
130 outputClassDeclarations(outclassdefs);
132 // Output function prototypes and structures for parameters
133 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
134 while(it.hasNext()) {
135 ClassDescriptor cn=(ClassDescriptor)it.next();
136 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
138 outclassdefs.close();
141 /* Map flags to integers */
142 /* The runtime keeps track of flags using these integers */
143 it=state.getClassSymbolTable().getDescriptorsIterator();
144 while(it.hasNext()) {
145 ClassDescriptor cn=(ClassDescriptor)it.next();
149 generateTaskStructs(outstructs, outmethodheader);
151 /* Outputs generic task structures if this is a task
153 outputTaskTypes(outtask);
156 /* Build the actual methods */
157 outputMethods(outmethod);
160 /* Output code for tasks */
161 outputTaskCode(outtaskdefs, outmethod);
163 /* Record maximum number of task parameters */
164 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
165 } else if (state.main!=null) {
166 /* Generate main method */
167 outputMainMethod(outmethod);
170 /* Generate information for task with optional parameters */
171 if (state.TASK&&state.OPTIONAL){
172 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
173 outoptionalarrays.close();
176 /* Output structure definitions for repair tool */
177 if (state.structfile!=null) {
178 buildRepairStructs(outrepairstructs);
179 outrepairstructs.close();
183 outmethodheader.println("#endif");
184 outmethodheader.close();
186 outstructs.println("#endif");
190 /* This code just generates the main C method for java programs.
191 * The main C method packs up the arguments into a string array
192 * and passes it to the java main method. */
194 private void outputMainMethod(PrintWriter outmethod) {
195 outmethod.println("int main(int argc, const char *argv[]) {");
196 outmethod.println(" int i;");
197 outmethod.println("#ifdef TRANSSTATS \n");
198 outmethod.println("handle();\n");
199 outmethod.println("#endif\n");
200 if (state.THREAD||state.DSM) {
201 outmethod.println("initializethreads();");
204 outmethod.println("if (dstmStartup(argv[1])) {");
205 if (GENERATEPRECISEGC) {
206 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
208 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
211 if (GENERATEPRECISEGC) {
212 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
214 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
218 outmethod.println(" for(i=2;i<argc;i++) {");
220 outmethod.println(" for(i=1;i<argc;i++) {");
221 outmethod.println(" int length=strlen(argv[i]);");
222 if (GENERATEPRECISEGC) {
223 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
225 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
228 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
230 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
231 outmethod.println(" }");
234 MethodDescriptor md=typeutil.getMain();
235 ClassDescriptor cd=typeutil.getMainClass();
237 outmethod.println(" {");
238 if (GENERATEPRECISEGC) {
240 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
242 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
243 outmethod.println("1, NULL,"+"stringarray};");
245 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
247 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
250 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
252 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
254 outmethod.println(" }");
257 outmethod.println("}");
260 if (state.THREAD||state.DSM) {
261 outmethod.println("pthread_mutex_lock(&gclistlock);");
262 outmethod.println("threadcount--;");
263 outmethod.println("pthread_cond_signal(&gccond);");
264 outmethod.println("pthread_mutex_unlock(&gclistlock);");
266 outmethod.println("pthread_exit(NULL);");
269 outmethod.println("#ifdef TRANSSTATS \n");
270 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
271 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
272 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
273 outmethod.println("#endif\n");
274 outmethod.println("}");
278 /* This method outputs code for each task. */
280 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
281 /* Compile task based program */
282 outtaskdefs.println("#include \"task.h\"");
283 outtaskdefs.println("#include \"methodheaders.h\"");
284 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
285 while(taskit.hasNext()) {
286 TaskDescriptor td=(TaskDescriptor)taskit.next();
287 FlatMethod fm=state.getMethodFlat(td);
288 generateFlatMethod(fm, null, outmethod);
289 generateTaskDescriptor(outtaskdefs, fm, td);
292 //Output task descriptors
293 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
294 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
296 while(taskit.hasNext()) {
297 TaskDescriptor td=(TaskDescriptor)taskit.next();
301 outtaskdefs.println(",");
302 outtaskdefs.print("&task_"+td.getSafeSymbol());
304 outtaskdefs.println("};");
306 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
309 /* This method outputs most of the methods.c file. This includes
310 * some standard includes and then an array with the sizes of
311 * objets and array that stores supertype and then the code for
312 * the Java methods.. */
314 protected void outputMethods(PrintWriter outmethod) {
315 outmethod.println("#include \"methodheaders.h\"");
316 outmethod.println("#include \"virtualtable.h\"");
317 outmethod.println("#include \"runtime.h\"");
318 //outmethod.println("#include \"dstm.h\"");
320 outmethod.println("#include \"dstm.h\"");
321 outmethod.println("#include \"localobjects.h\"");
323 if(state.MULTICORE) {
324 outmethod.println("#include \"task.h\"");
326 if (state.THREAD||state.DSM)
327 outmethod.println("#include <thread.h>");
328 if (state.main!=null) {
329 outmethod.println("#include <string.h>");
331 if (state.CONSCHECK) {
332 outmethod.println("#include \"checkers.h\"");
334 //Store the sizes of classes & array elements
335 generateSizeArray(outmethod);
337 //Store table of supertypes
338 generateSuperTypeTable(outmethod);
340 //Store the layout of classes
341 generateLayoutStructs(outmethod);
343 /* Generate code for methods */
345 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator();lbit.hasNext();) {
346 LocalityBinding lb=lbit.next();
347 MethodDescriptor md=lb.getMethod();
348 FlatMethod fm=state.getMethodFlat(md);
349 if (!md.getModifiers().isNative()) {
350 generateFlatMethod(fm, lb, outmethod);
354 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
355 while(classit.hasNext()) {
356 ClassDescriptor cn=(ClassDescriptor)classit.next();
357 Iterator methodit=cn.getMethods();
358 while(methodit.hasNext()) {
359 /* Classify parameters */
360 MethodDescriptor md=(MethodDescriptor)methodit.next();
361 FlatMethod fm=state.getMethodFlat(md);
362 if (!md.getModifiers().isNative()) {
363 generateFlatMethod(fm, null, outmethod);
370 protected void outputStructs(PrintWriter outstructs) {
371 outstructs.println("#ifndef STRUCTDEFS_H");
372 outstructs.println("#define STRUCTDEFS_H");
373 outstructs.println("#include \"classdefs.h\"");
375 /* Output #defines that the runtime uses to determine type
376 * numbers for various objects it needs */
377 outstructs.println("#define MAXCOUNT "+maxcount);
379 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
380 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
381 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
384 outstructs.println("#define STRINGARRAYTYPE "+
385 (state.getArrayNumber(
386 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
388 outstructs.println("#define OBJECTARRAYTYPE "+
389 (state.getArrayNumber(
390 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
393 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
394 outstructs.println("#define CHARARRAYTYPE "+
395 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
397 outstructs.println("#define BYTEARRAYTYPE "+
398 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
400 outstructs.println("#define BYTEARRAYARRAYTYPE "+
401 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
403 outstructs.println("#define NUMCLASSES "+state.numClasses());
405 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
406 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
407 outstructs.println("#define TAGARRAYTYPE "+
408 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
412 protected void outputClassDeclarations(PrintWriter outclassdefs) {
413 if (state.THREAD||state.DSM)
414 outclassdefs.println("#include <pthread.h>");
416 outclassdefs.println("#include \"optionalstruct.h\"");
417 outclassdefs.println("struct "+arraytype+";");
418 /* Start by declaring all structs */
419 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
420 while(it.hasNext()) {
421 ClassDescriptor cn=(ClassDescriptor)it.next();
422 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
424 outclassdefs.println("");
425 //Print out definition for array type
426 outclassdefs.println("struct "+arraytype+" {");
427 outclassdefs.println(" int type;");
429 outclassdefs.println(" pthread_t tid;");
430 outclassdefs.println(" void * lockentry;");
431 outclassdefs.println(" int lockcount;");
434 outclassdefs.println(" int flag;");
435 if(!state.MULTICORE) {
436 outclassdefs.println(" void * flagptr;");
438 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
439 outclassdefs.println(" int version;");
440 outclassdefs.println(" struct ___Object___ * original;");
443 outclassdefs.println(" int numfses;");
444 outclassdefs.println(" int * fses;");
447 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
449 outclassdefs.println(" int ___length___;");
450 outclassdefs.println("};\n");
451 outclassdefs.println("extern int classsize[];");
452 outclassdefs.println("extern int hasflags[];");
453 outclassdefs.println("extern unsigned int * pointerarray[];");
454 outclassdefs.println("extern int supertypes[];");
457 /** Prints out definitions for generic task structures */
459 private void outputTaskTypes(PrintWriter outtask) {
460 outtask.println("#ifndef _TASK_H");
461 outtask.println("#define _TASK_H");
462 outtask.println("struct parameterdescriptor {");
463 outtask.println("int type;");
464 outtask.println("int numberterms;");
465 outtask.println("int *intarray;");
466 outtask.println("void * queue;");
467 outtask.println("int numbertags;");
468 outtask.println("int *tagarray;");
469 outtask.println("};");
471 outtask.println("struct taskdescriptor {");
472 outtask.println("void * taskptr;");
473 outtask.println("int numParameters;");
474 outtask.println(" int numTotal;");
475 outtask.println("struct parameterdescriptor **descriptorarray;");
476 outtask.println("char * name;");
477 outtask.println("};");
478 outtask.println("extern struct taskdescriptor * taskarray[];");
479 outtask.println("extern numtasks;");
480 outtask.println("#endif");
484 private void buildRepairStructs(PrintWriter outrepairstructs) {
485 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
486 while(classit.hasNext()) {
487 ClassDescriptor cn=(ClassDescriptor)classit.next();
488 outrepairstructs.println("structure "+cn.getSymbol()+" {");
489 outrepairstructs.println(" int __type__;");
491 outrepairstructs.println(" int __flag__;");
492 if(!state.MULTICORE) {
493 outrepairstructs.println(" int __flagptr__;");
496 printRepairStruct(cn, outrepairstructs);
497 outrepairstructs.println("}\n");
500 for(int i=0;i<state.numArrays();i++) {
501 TypeDescriptor tdarray=arraytable[i];
502 TypeDescriptor tdelement=tdarray.dereference();
503 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
504 outrepairstructs.println(" int __type__;");
505 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
506 outrepairstructs.println(" int length;");
508 // Need to add support to repair tool for this
509 if (tdelement.isClass()||tdelement.isArray())
510 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
512 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
514 outrepairstructs.println("}\n");
518 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
519 ClassDescriptor sp=cn.getSuperDesc();
521 printRepairStruct(sp, output);
523 Vector fields=(Vector)fieldorder.get(cn);
525 for(int i=0;i<fields.size();i++) {
526 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
527 if (fd.getType().isArray()) {
528 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
529 } else if (fd.getType().isClass())
530 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
531 else if (fd.getType().isFloat())
532 output.println(" int "+fd.getSymbol()+"; /* really float */");
534 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
538 /** This method outputs TaskDescriptor information */
539 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
540 for (int i=0;i<task.numParameters();i++) {
541 VarDescriptor param_var=task.getParameter(i);
542 TypeDescriptor param_type=task.getParamType(i);
543 FlagExpressionNode param_flag=task.getFlag(param_var);
544 TagExpressionList param_tag=task.getTag(param_var);
547 if (param_flag==null) {
548 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
549 output.println("0x0, 0x0 };");
552 DNFFlag dflag=param_flag.getDNF();
553 dnfterms=dflag.size();
555 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
556 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
557 for(int j=0;j<dflag.size();j++) {
560 Vector term=dflag.get(j);
563 for(int k=0;k<term.size();k++) {
564 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
565 FlagDescriptor fd=dfa.getFlag();
566 boolean negated=dfa.getNegated();
567 int flagid=1<<((Integer)flags.get(fd)).intValue();
572 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
574 output.println("};");
577 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
578 //BUG...added next line to fix, test with any task program
580 for(int j=0;j<param_tag.numTags();j++) {
583 /* for each tag we need */
584 /* which slot it is */
585 /* what type it is */
586 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
587 TempDescriptor tmp=param_tag.getTemp(j);
588 int slot=fm.getTagInt(tmp);
589 output.println(slot+", "+state.getTagId(tvd.getTag()));
591 output.println("};");
593 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
594 output.println("/* type */"+param_type.getClassDesc().getId()+",");
595 output.println("/* number of DNF terms */"+dnfterms+",");
596 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
597 output.println("0,");
598 //BUG, added next line to fix and else statement...test
599 //with any task program
601 output.println("/* number of tags */"+param_tag.numTags()+",");
603 output.println("/* number of tags */ 0,");
604 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
605 output.println("};");
609 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
610 for (int i=0;i<task.numParameters();i++) {
613 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
615 output.println("};");
617 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
618 output.println("&"+task.getSafeSymbol()+",");
619 output.println("/* number of parameters */" +task.numParameters() + ",");
620 int numtotal=task.numParameters()+fm.numTags();
621 output.println("/* number total parameters */" +numtotal + ",");
622 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
623 output.println("\""+task.getSymbol()+"\"");
624 output.println("};");
628 /** The buildVirtualTables method outputs the virtual dispatch
629 * tables for methods. */
631 protected void buildVirtualTables(PrintWriter outvirtual) {
632 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
633 while(classit.hasNext()) {
634 ClassDescriptor cd=(ClassDescriptor)classit.next();
635 if (virtualcalls.getMethodCount(cd)>maxcount)
636 maxcount=virtualcalls.getMethodCount(cd);
638 MethodDescriptor[][] virtualtable=null;
639 LocalityBinding[][] lbvirtualtable=null;
641 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
643 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
645 /* Fill in virtual table */
646 classit=state.getClassSymbolTable().getDescriptorsIterator();
647 while(classit.hasNext()) {
648 ClassDescriptor cd=(ClassDescriptor)classit.next();
650 fillinRow(cd, lbvirtualtable, cd.getId());
652 fillinRow(cd, virtualtable, cd.getId());
655 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
656 Iterator arrayit=state.getArrayIterator();
657 while(arrayit.hasNext()) {
658 TypeDescriptor td=(TypeDescriptor)arrayit.next();
659 int id=state.getArrayNumber(td);
661 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
663 fillinRow(objectcd, virtualtable, id+state.numClasses());
666 outvirtual.print("void * virtualtable[]={");
667 boolean needcomma=false;
668 for(int i=0;i<state.numClasses()+state.numArrays();i++) {
669 for(int j=0;j<maxcount;j++) {
671 outvirtual.print(", ");
672 if (state.DSM&&lbvirtualtable[i][j]!=null) {
673 LocalityBinding lb=lbvirtualtable[i][j];
674 MethodDescriptor md=lb.getMethod();
675 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
676 } else if (!state.DSM&&virtualtable[i][j]!=null) {
677 MethodDescriptor md=virtualtable[i][j];
678 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
680 outvirtual.print("0");
684 outvirtual.println("");
686 outvirtual.println("};");
690 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
691 /* Get inherited methods */
692 if (cd.getSuperDesc()!=null)
693 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
694 /* Override them with our methods */
695 for(Iterator it=cd.getMethods();it.hasNext();) {
696 MethodDescriptor md=(MethodDescriptor)it.next();
697 if (md.isStatic()||md.getReturnType()==null)
699 int methodnum=virtualcalls.getMethodNumber(md);
700 virtualtable[rownum][methodnum]=md;
704 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
705 /* Get inherited methods */
706 if (cd.getSuperDesc()!=null)
707 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
708 /* Override them with our methods */
709 if (locality.getClassBindings(cd)!=null)
710 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator();lbit.hasNext();) {
711 LocalityBinding lb=lbit.next();
712 MethodDescriptor md=lb.getMethod();
713 //Is the method static or a constructor
714 if (md.isStatic()||md.getReturnType()==null)
716 int methodnum=virtualcalls.getLocalityNumber(lb);
717 virtualtable[rownum][methodnum]=lb;
722 /** Generate array that contains the sizes of class objects. The
723 * object allocation functions in the runtime use this
726 private void generateSizeArray(PrintWriter outclassdefs) {
727 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
728 outclassdefs.print("#ifdef TRANSSTATS \n");
729 outclassdefs.print("extern int numTransAbort;\n");
730 outclassdefs.print("extern int numTransCommit;\n");
731 outclassdefs.print("extern void handle();\n");
732 outclassdefs.print("#endif\n");
733 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
735 outclassdefs.print("int classsize[]={");
736 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
737 cdarray=new ClassDescriptor[state.numClasses()];
738 while(it.hasNext()) {
739 ClassDescriptor cd=(ClassDescriptor)it.next();
740 cdarray[cd.getId()]=cd;
742 boolean needcomma=false;
743 for(int i=0;i<state.numClasses();i++) {
745 outclassdefs.print(", ");
746 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
750 arraytable=new TypeDescriptor[state.numArrays()];
752 Iterator arrayit=state.getArrayIterator();
753 while(arrayit.hasNext()) {
754 TypeDescriptor td=(TypeDescriptor)arrayit.next();
755 int id=state.getArrayNumber(td);
759 for(int i=0;i<state.numArrays();i++) {
761 outclassdefs.print(", ");
762 TypeDescriptor tdelement=arraytable[i].dereference();
763 if (tdelement.isArray()||tdelement.isClass())
764 outclassdefs.print("sizeof(void *)");
766 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
770 outclassdefs.println("};");
773 /** Constructs params and temp objects for each method or task.
774 * These objects tell the compiler which temps need to be
777 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
778 MethodDescriptor md=fm.getMethod();
779 TaskDescriptor task=fm.getTask();
780 Set<TempDescriptor> saveset=lb!=null?locality.getTempSet(lb):null;
781 ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
784 paramstable.put(lb, objectparams);
786 paramstable.put(md, objectparams);
788 paramstable.put(task, objectparams);
790 for(int i=0;i<fm.numParameters();i++) {
791 TempDescriptor temp=fm.getParameter(i);
792 TypeDescriptor type=temp.getType();
793 if (type.isPtr()&&GENERATEPRECISEGC)
794 objectparams.addPtr(temp);
796 objectparams.addPrim(temp);
797 if(lb!=null&&saveset.contains(temp)) {
798 backuptable.put(temp, temp.createNew());
802 for(int i=0;i<fm.numTags();i++) {
803 TempDescriptor temp=fm.getTag(i);
804 if (GENERATEPRECISEGC)
805 objectparams.addPtr(temp);
807 objectparams.addPrim(temp);
810 TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
812 tempstable.put(lb, objecttemps);
814 tempstable.put(md, objecttemps);
816 tempstable.put(task, objecttemps);
818 for(Iterator nodeit=fm.getNodeSet().iterator();nodeit.hasNext();) {
819 FlatNode fn=(FlatNode)nodeit.next();
820 TempDescriptor[] writes=fn.writesTemps();
821 for(int i=0;i<writes.length;i++) {
822 TempDescriptor temp=writes[i];
823 TypeDescriptor type=temp.getType();
824 if (type.isPtr()&&GENERATEPRECISEGC)
825 objecttemps.addPtr(temp);
827 objecttemps.addPrim(temp);
828 if(lb!=null&&saveset.contains(temp)&&
829 !backuptable.containsKey(temp))
830 backuptable.put(temp, temp.createNew());
834 /* Create backup temps */
836 for(Iterator<TempDescriptor> tmpit=backuptable.values().iterator();tmpit.hasNext();) {
837 TempDescriptor tmp=tmpit.next();
838 TypeDescriptor type=tmp.getType();
839 if (type.isPtr()&&GENERATEPRECISEGC)
840 objecttemps.addPtr(tmp);
842 objecttemps.addPrim(tmp);
844 /* Create temp to hold revert table */
845 if (lb.getHasAtomic()||lb.isAtomic()) {
846 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
847 if (GENERATEPRECISEGC)
848 objecttemps.addPtr(reverttmp);
850 objecttemps.addPrim(reverttmp);
851 reverttable.put(lb, reverttmp);
856 /** This method outputs the following information about classes
858 * (1) For classes, what are the locations of pointers.
859 * (2) For arrays, does the array contain pointers or primitives.
860 * (3) For classes, does the class contain flags.
863 private void generateLayoutStructs(PrintWriter output) {
864 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
865 while(it.hasNext()) {
866 ClassDescriptor cn=(ClassDescriptor)it.next();
867 output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
868 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
870 while(allit.hasNext()) {
871 FieldDescriptor fd=(FieldDescriptor)allit.next();
872 TypeDescriptor type=fd.getType();
873 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
879 allit=cn.getFieldTable().getAllDescriptorsIterator();
880 while(allit.hasNext()) {
881 FieldDescriptor fd=(FieldDescriptor)allit.next();
882 TypeDescriptor type=fd.getType();
883 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
887 output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
890 output.println("};");
892 output.println("unsigned int * pointerarray[]={");
893 boolean needcomma=false;
894 for(int i=0;i<state.numClasses();i++) {
895 ClassDescriptor cn=cdarray[i];
899 output.print(cn.getSafeSymbol()+"_pointers");
902 for(int i=0;i<state.numArrays();i++) {
904 output.println(", ");
905 TypeDescriptor tdelement=arraytable[i].dereference();
906 if (tdelement.isArray()||tdelement.isClass())
907 output.print("((unsigned int *)1)");
913 output.println("};");
915 output.println("int hasflags[]={");
916 for(int i=0;i<state.numClasses();i++) {
917 ClassDescriptor cn=cdarray[i];
919 output.println(", ");
926 output.println("};");
929 /** Print out table to give us supertypes */
930 private void generateSuperTypeTable(PrintWriter output) {
931 output.println("int supertypes[]={");
932 boolean needcomma=false;
933 for(int i=0;i<state.numClasses();i++) {
934 ClassDescriptor cn=cdarray[i];
938 if (cn.getSuperDesc()!=null) {
939 ClassDescriptor cdsuper=cn.getSuperDesc();
940 output.print(cdsuper.getId());
944 output.println("};");
947 /** Force consistent field ordering between inherited classes. */
949 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
951 ClassDescriptor sp=cn.getSuperDesc();
953 printClassStruct(sp, classdefout);
955 if (!fieldorder.containsKey(cn)) {
956 Vector fields=new Vector();
957 fieldorder.put(cn,fields);
958 if (sp==null&&!state.TASK) {
959 fields.add(cn.getFieldTable().get("cachedCode"));
961 Iterator fieldit=cn.getFields();
962 while(fieldit.hasNext()) {
963 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
964 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
965 (!fd.getSymbol().equals("cachedCode")||state.TASK))
969 Vector fields=(Vector)fieldorder.get(cn);
971 for(int i=0;i<fields.size();i++) {
972 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
973 if (fd.getType().isClass()||fd.getType().isArray())
974 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
976 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
981 /* Map flags to integers consistently between inherited
984 protected void mapFlags(ClassDescriptor cn) {
985 ClassDescriptor sp=cn.getSuperDesc();
989 if (!flagorder.containsKey(cn)) {
990 Hashtable flags=new Hashtable();
991 flagorder.put(cn,flags);
993 Hashtable superflags=(Hashtable)flagorder.get(sp);
994 Iterator superflagit=superflags.keySet().iterator();
995 while(superflagit.hasNext()) {
996 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
997 Integer number=(Integer)superflags.get(fd);
998 flags.put(fd, number);
999 if ((number.intValue()+1)>max)
1000 max=number.intValue()+1;
1004 Iterator flagit=cn.getFlags();
1005 while(flagit.hasNext()) {
1006 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1007 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1008 flags.put(fd, new Integer(max++));
1014 /** This function outputs (1) structures that parameters are
1015 * passed in (when PRECISE GC is enabled) and (2) function
1016 * prototypes for the methods */
1018 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1019 /* Output class structure */
1020 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1021 classdefout.println(" int type;");
1023 classdefout.println(" pthread_t tid;");
1024 classdefout.println(" void * lockentry;");
1025 classdefout.println(" int lockcount;");
1029 classdefout.println(" int flag;");
1030 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1031 classdefout.println(" void * flagptr;");
1032 } else if (state.MULTICORE){
1033 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1034 classdefout.println(" int version;");
1035 classdefout.println(" struct ___Object___ * original;");
1037 if (state.OPTIONAL){
1038 classdefout.println(" int numfses;");
1039 classdefout.println(" int * fses;");
1042 printClassStruct(cn, classdefout);
1043 classdefout.println("};\n");
1046 /* Cycle through LocalityBindings */
1047 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1048 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1050 for(Iterator<LocalityBinding> lbit=lbset.iterator();lbit.hasNext();) {
1051 LocalityBinding lb=lbit.next();
1052 MethodDescriptor md=lb.getMethod();
1053 if (md.getModifiers().isNative()) {
1054 //make sure we only print a native method once
1055 if (nativemethods.contains(md)) {
1056 FlatMethod fm=state.getMethodFlat(md);
1057 generateTempStructs(fm, lb);
1060 nativemethods.add(md);
1062 generateMethod(cn, md, lb, headersout, output);
1065 for(Iterator methodit=cn.getMethods();methodit.hasNext();) {
1066 MethodDescriptor md=(MethodDescriptor)methodit.next();
1067 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1068 //Need to build param structure for library code
1069 FlatMethod fm=state.getMethodFlat(md);
1070 generateTempStructs(fm, null);
1071 generateMethodParam(cn, md, null, output);
1076 for(Iterator methodit=cn.getMethods();methodit.hasNext();) {
1077 MethodDescriptor md=(MethodDescriptor)methodit.next();
1078 generateMethod(cn, md, null, headersout, output);
1082 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1083 /* Output parameter structure */
1084 if (GENERATEPRECISEGC) {
1085 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null?lb:md);
1086 if (state.DSM&&lb!=null)
1087 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1089 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1090 output.println(" int size;");
1091 output.println(" void * next;");
1092 for(int i=0;i<objectparams.numPointers();i++) {
1093 TempDescriptor temp=objectparams.getPointer(i);
1094 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1096 output.println("};\n");
1101 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1102 FlatMethod fm=state.getMethodFlat(md);
1103 generateTempStructs(fm, lb);
1105 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null?lb:md);
1106 TempObject objecttemps=(TempObject) tempstable.get(lb!=null?lb:md);
1108 generateMethodParam(cn, md, lb, output);
1110 /* Output temp structure */
1111 if (GENERATEPRECISEGC) {
1113 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1115 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1116 output.println(" int size;");
1117 output.println(" void * next;");
1118 for(int i=0;i<objecttemps.numPointers();i++) {
1119 TempDescriptor temp=objecttemps.getPointer(i);
1120 if (temp.getType().isNull())
1121 output.println(" void * "+temp.getSafeSymbol()+";");
1123 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1125 output.println("};\n");
1128 /********* Output method declaration ***********/
1130 /* First the return type */
1131 if (md.getReturnType()!=null) {
1132 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1133 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1135 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1137 //catch the constructor case
1138 headersout.print("void ");
1140 /* Next the method name */
1142 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1144 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1146 boolean printcomma=false;
1147 if (GENERATEPRECISEGC) {
1149 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1151 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1155 if (state.DSM&&lb.isAtomic()&&!md.getModifiers().isNative()) {
1157 headersout.print(", ");
1158 headersout.print("transrecord_t * trans");
1162 /* Output parameter list*/
1163 for(int i=0;i<objectparams.numPrimitives();i++) {
1164 TempDescriptor temp=objectparams.getPrimitive(i);
1166 headersout.print(", ");
1168 if (temp.getType().isClass()||temp.getType().isArray())
1169 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1171 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1173 headersout.println(");\n");
1177 /** This function outputs (1) structures that parameters are
1178 * passed in (when PRECISE GC is enabled) and (2) function
1179 * prototypes for the tasks */
1181 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1182 /* Cycle through tasks */
1183 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1185 while(taskit.hasNext()) {
1186 /* Classify parameters */
1187 TaskDescriptor task=(TaskDescriptor)taskit.next();
1188 FlatMethod fm=state.getMethodFlat(task);
1189 generateTempStructs(fm, null);
1191 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1192 TempObject objecttemps=(TempObject) tempstable.get(task);
1194 /* Output parameter structure */
1195 if (GENERATEPRECISEGC) {
1196 output.println("struct "+task.getSafeSymbol()+"_params {");
1198 output.println(" int size;");
1199 output.println(" void * next;");
1200 for(int i=0;i<objectparams.numPointers();i++) {
1201 TempDescriptor temp=objectparams.getPointer(i);
1202 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1205 output.println("};\n");
1206 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1207 maxtaskparams=objectparams.numPointers()+fm.numTags();
1211 /* Output temp structure */
1212 if (GENERATEPRECISEGC) {
1213 output.println("struct "+task.getSafeSymbol()+"_locals {");
1214 output.println(" int size;");
1215 output.println(" void * next;");
1216 for(int i=0;i<objecttemps.numPointers();i++) {
1217 TempDescriptor temp=objecttemps.getPointer(i);
1218 if (temp.getType().isNull())
1219 output.println(" void * "+temp.getSafeSymbol()+";");
1220 else if(temp.getType().isTag())
1221 output.println(" struct "+
1222 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1224 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1226 output.println("};\n");
1229 /* Output task declaration */
1230 headersout.print("void " + task.getSafeSymbol()+"(");
1232 boolean printcomma=false;
1233 if (GENERATEPRECISEGC) {
1234 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1236 headersout.print("void * parameterarray[]");
1237 headersout.println(");\n");
1241 /***** Generate code for FlatMethod fm. *****/
1243 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1244 if (State.PRINTFLAT)
1245 System.out.println(fm.printMethod());
1246 MethodDescriptor md=fm.getMethod();
1248 TaskDescriptor task=fm.getTask();
1250 ClassDescriptor cn=md!=null?md.getClassDesc():null;
1252 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:md!=null?md:task);
1253 generateHeader(fm, lb, md!=null?md:task,output);
1254 TempObject objecttemp=(TempObject) tempstable.get(lb!=null?lb:md!=null?md:task);
1255 if (state.DSM&&lb.getHasAtomic()) {
1256 output.println("transrecord_t * trans;");
1259 if (GENERATEPRECISEGC) {
1260 if (md!=null&&state.DSM)
1261 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1262 else if (md!=null&&!state.DSM)
1263 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1265 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1267 output.print(objecttemp.numPointers()+",");
1268 output.print(paramsprefix);
1269 for(int j=0;j<objecttemp.numPointers();j++)
1270 output.print(", NULL");
1271 output.println("};");
1274 for(int i=0;i<objecttemp.numPrimitives();i++) {
1275 TempDescriptor td=objecttemp.getPrimitive(i);
1276 TypeDescriptor type=td.getType();
1278 output.println(" void * "+td.getSafeSymbol()+";");
1279 else if (type.isClass()||type.isArray())
1280 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1282 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1285 /* Assign labels to FlatNode's if necessary.*/
1287 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(fm);
1289 /* Check to see if we need to do a GC if this is a
1290 * multi-threaded program...*/
1292 if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
1293 if (state.DSM&&lb.isAtomic())
1294 output.println("checkcollect2(&"+localsprefix+",trans);");
1296 output.println("checkcollect(&"+localsprefix+");");
1299 /* Do the actual code generation */
1300 FlatNode current_node=null;
1301 HashSet tovisit=new HashSet();
1302 HashSet visited=new HashSet();
1303 tovisit.add(fm.getNext(0));
1304 while(current_node!=null||!tovisit.isEmpty()) {
1305 if (current_node==null) {
1306 current_node=(FlatNode)tovisit.iterator().next();
1307 tovisit.remove(current_node);
1309 visited.add(current_node);
1310 if (nodetolabel.containsKey(current_node))
1311 output.println("L"+nodetolabel.get(current_node)+":");
1312 if (state.INSTRUCTIONFAILURE) {
1313 if (state.THREAD||state.DSM) {
1314 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1317 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1319 if (current_node.numNext()==0) {
1321 generateFlatNode(fm, lb, current_node, output);
1322 if (current_node.kind()!=FKind.FlatReturnNode) {
1323 output.println(" return;");
1326 } else if(current_node.numNext()==1) {
1328 generateFlatNode(fm, lb, current_node, output);
1329 FlatNode nextnode=current_node.getNext(0);
1330 if (visited.contains(nextnode)) {
1331 output.println("goto L"+nodetolabel.get(nextnode)+";");
1334 current_node=nextnode;
1335 } else if (current_node.numNext()==2) {
1338 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1339 if (!visited.contains(current_node.getNext(1)))
1340 tovisit.add(current_node.getNext(1));
1341 if (visited.contains(current_node.getNext(0))) {
1342 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1345 current_node=current_node.getNext(0);
1346 } else throw new Error();
1348 output.println("}\n\n");
1351 /** This method assigns labels to FlatNodes */
1353 protected Hashtable<FlatNode, Integer> assignLabels(FlatMethod fm) {
1354 HashSet tovisit=new HashSet();
1355 HashSet visited=new HashSet();
1357 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1358 tovisit.add(fm.getNext(0));
1360 /*Assign labels first. A node needs a label if the previous
1361 * node has two exits or this node is a join point. */
1363 while(!tovisit.isEmpty()) {
1364 FlatNode fn=(FlatNode)tovisit.iterator().next();
1367 for(int i=0;i<fn.numNext();i++) {
1368 FlatNode nn=fn.getNext(i);
1370 //1) Edge >1 of node
1371 nodetolabel.put(nn,new Integer(labelindex++));
1373 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1377 nodetolabel.put(nn,new Integer(labelindex++));
1385 /** Generate text string that corresponds to the TempDescriptor td. */
1386 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1387 MethodDescriptor md=fm.getMethod();
1388 TaskDescriptor task=fm.getTask();
1389 TempObject objecttemps=(TempObject) tempstable.get(lb!=null?lb:md!=null?md:task);
1391 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1392 return td.getSafeSymbol();
1395 if (objecttemps.isLocalPtr(td)) {
1396 return localsprefix+"."+td.getSafeSymbol();
1399 if (objecttemps.isParamPtr(td)) {
1400 return paramsprefix+"->"+td.getSafeSymbol();
1405 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1407 case FKind.FlatAtomicEnterNode:
1408 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1410 case FKind.FlatAtomicExitNode:
1411 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1413 case FKind.FlatGlobalConvNode:
1414 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1416 case FKind.FlatTagDeclaration:
1417 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1419 case FKind.FlatCall:
1420 generateFlatCall(fm, lb, (FlatCall) fn,output);
1422 case FKind.FlatFieldNode:
1423 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1425 case FKind.FlatElementNode:
1426 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1428 case FKind.FlatSetElementNode:
1429 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1431 case FKind.FlatSetFieldNode:
1432 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1435 generateFlatNew(fm, lb, (FlatNew) fn,output);
1437 case FKind.FlatOpNode:
1438 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1440 case FKind.FlatCastNode:
1441 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1443 case FKind.FlatLiteralNode:
1444 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1446 case FKind.FlatReturnNode:
1447 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1450 output.println("/* nop */");
1452 case FKind.FlatBackEdge:
1453 if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
1454 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1455 output.println("checkcollect2(&"+localsprefix+",trans);");
1457 output.println("checkcollect(&"+localsprefix+");");
1459 output.println("/* nop */");
1461 case FKind.FlatCheckNode:
1462 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1464 case FKind.FlatFlagActionNode:
1465 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1467 case FKind.FlatPrefetchNode:
1468 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1474 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1475 if (state.PREFETCH) {
1476 Vector oids = new Vector();
1477 Vector fieldoffset = new Vector();
1478 Vector endoffset = new Vector();
1479 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1480 for(Iterator it = fpn.hspp.iterator();it.hasNext();) {
1481 PrefetchPair pp = (PrefetchPair) it.next();
1482 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1483 /* Find prefetches that can generate oid */
1484 if(statusbase == LocalityAnalysis.GLOBAL) {
1485 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1487 } else if (statusbase == LocalityAnalysis.LOCAL) {
1488 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1495 output.println("{");
1496 output.println("/* prefetch */");
1497 output.println("/* prefetchid_" + fpn.siteid + " */");
1498 output.println("void * prefptr;");
1499 output.println("int tmpindex;");
1501 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1502 /*Create C code for oid array */
1503 output.print(" unsigned int oidarray_[] = {");
1504 boolean needcomma=false;
1505 for (Iterator it = oids.iterator();it.hasNext();) {
1508 output.print(it.next());
1511 output.println("};");
1513 /*Create C code for endoffset values */
1514 output.print(" unsigned short endoffsetarry_[] = {");
1516 for (Iterator it = endoffset.iterator();it.hasNext();) {
1519 output.print(it.next());
1522 output.println("};");
1524 /*Create C code for Field Offset Values */
1525 output.print(" short fieldarry_[] = {");
1527 for (Iterator it = fieldoffset.iterator();it.hasNext();) {
1530 output.print(it.next());
1533 output.println("};");
1534 /* make the prefetch call to Runtime */
1535 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1536 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1537 output.println(" }");
1538 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1539 output.println(" } else {");
1540 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1541 output.println(" }");
1542 output.println("}");
1546 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1547 short offsetcount = 0;
1551 } else if (localbase) {
1552 for(;breakindex<pp.desc.size();breakindex++) {
1553 Descriptor desc=pp.getDescAt(breakindex);
1554 if (desc instanceof FieldDescriptor) {
1555 FieldDescriptor fd=(FieldDescriptor)desc;
1556 if (fd.isGlobal()) {
1564 if (breakindex>pp.desc.size()) //all local
1567 TypeDescriptor lasttype=pp.base.getType();
1568 String basestr=generateTemp(fm, pp.base, lb);
1570 boolean maybenull=fm.getMethod().isStatic()||
1571 !pp.base.equals(fm.getParameter(0));
1573 for(int i=0;i<breakindex;i++) {
1574 String indexcheck="";
1576 Descriptor desc=pp.getDescAt(i);
1577 if (desc instanceof FieldDescriptor) {
1578 FieldDescriptor fd=(FieldDescriptor)desc;
1580 if (!teststr.equals(""))
1582 teststr+="((prefptr="+basestr+")!=NULL)";
1583 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
1585 basestr=basestr+"->"+fd.getSafeSymbol();
1588 lasttype=fd.getType();
1590 IndexDescriptor id=(IndexDescriptor)desc;
1591 indexcheck="((tmpindex=";
1592 for(int j=0;j<id.tddesc.size();j++) {
1593 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
1595 indexcheck+=id.offset+")>=0)&&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
1597 if (!teststr.equals(""))
1599 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
1600 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
1602 lasttype=lasttype.dereference();
1607 if (teststr.equals("")) {
1608 oid="((unsigned int)"+basestr+")";
1610 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
1614 for(int i = breakindex; i < pp.desc.size(); i++) {
1615 String newfieldoffset;
1616 Object desc = pp.getDescAt(i);
1617 if(desc instanceof FieldDescriptor) {
1618 FieldDescriptor fd=(FieldDescriptor)desc;
1619 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
1620 lasttype=fd.getType();
1622 newfieldoffset = "";
1623 IndexDescriptor id=(IndexDescriptor)desc;
1624 for(int j = 0; j < id.tddesc.size(); j++) {
1625 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
1627 newfieldoffset += id.offset.toString();
1628 lasttype=lasttype.dereference();
1630 fieldoffset.add(newfieldoffset);
1633 int base=(tuplecount>0)?((Short)endoffset.get(tuplecount-1)).intValue():0;
1634 base+=pp.desc.size()-breakindex;
1635 endoffset.add(new Short((short)base));
1640 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1641 if (lb!=fgcn.getLocality())
1643 /* Have to generate flat globalconv */
1644 if (fgcn.getMakePtr()) {
1645 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)transRead(trans, (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1647 /* Need to convert to OID */
1648 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1652 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1653 /* Check to see if we need to generate code for this atomic */
1654 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1656 /* Backup the temps. */
1657 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator();tmpit.hasNext();) {
1658 TempDescriptor tmp=tmpit.next();
1659 output.println(generateTemp(fm, backuptable.get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1661 output.println("goto transstart"+faen.getIdentifier()+";");
1663 /******* Print code to retry aborted transaction *******/
1664 output.println("transretry"+faen.getIdentifier()+":");
1667 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator();tmpit.hasNext();) {
1668 TempDescriptor tmp=tmpit.next();
1669 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(tmp),lb)+";");
1672 /********* Need to revert local object store ********/
1673 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1675 output.println("while ("+revertptr+") {");
1676 output.println("struct ___Object___ * tmpptr;");
1677 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1678 output.println("REVERT_OBJ("+revertptr+");");
1679 output.println(revertptr+"=tmpptr;");
1680 output.println("}");
1682 /******* Tell the runtime to start the transaction *******/
1684 output.println("transstart"+faen.getIdentifier()+":");
1685 output.println("trans=transStart();");
1688 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1689 /* Check to see if we need to generate code for this atomic */
1690 if (locality.getAtomic(lb).get(faen).intValue()>0)
1692 //store the revert list before we lose the transaction object
1693 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1694 output.println(revertptr+"=trans->revertlist;");
1695 output.println("if (transCommit(trans)) {");
1696 /* Transaction aborts if it returns true */
1697 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1698 output.println("} else {");
1699 /* Need to commit local object store */
1700 output.println("while ("+revertptr+") {");
1701 output.println("struct ___Object___ * tmpptr;");
1702 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1703 output.println("COMMIT_OBJ("+revertptr+");");
1704 output.println(revertptr+"=tmpptr;");
1705 output.println("}");
1706 output.println("}");
1709 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
1710 if (state.CONSCHECK) {
1711 String specname=fcn.getSpec();
1712 String varname="repairstate___";
1713 output.println("{");
1714 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1716 TempDescriptor[] temps=fcn.getTemps();
1717 String[] vars=fcn.getVars();
1718 for(int i=0;i<temps.length;i++) {
1719 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
1722 output.println("if (doanalysis"+specname+"("+varname+")) {");
1723 output.println("free"+specname+"_state("+varname+");");
1724 output.println("} else {");
1725 output.println("/* Bad invariant */");
1726 output.println("free"+specname+"_state("+varname+");");
1727 output.println("abort_task();");
1728 output.println("}");
1729 output.println("}");
1733 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
1734 MethodDescriptor md=fc.getMethod();
1735 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM?locality.getBinding(lb, fc):md);
1736 ClassDescriptor cn=md.getClassDesc();
1737 output.println("{");
1738 if (GENERATEPRECISEGC) {
1740 LocalityBinding fclb=locality.getBinding(lb, fc);
1741 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1743 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1745 output.print(objectparams.numPointers());
1746 output.print(", & "+localsprefix);
1747 if (md.getThis()!=null) {
1749 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
1751 if (fc.getThis()!=null&&md.getThis()==null) {
1752 System.out.println("WARNING!!!!!!!!!!!!");
1753 System.out.println("Source code calls static method"+md+"on an object in "+fm.getMethod()+"!");
1757 for(int i=0;i<fc.numArgs();i++) {
1758 Descriptor var=md.getParameter(i);
1759 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1760 if (objectparams.isParamPtr(paramtemp)) {
1761 TempDescriptor targ=fc.getArg(i);
1763 TypeDescriptor td=md.getParamType(i);
1765 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1767 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1770 output.println("};");
1775 if (fc.getReturnTemp()!=null)
1776 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
1778 /* Do we need to do virtual dispatch? */
1779 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
1782 LocalityBinding fclb=locality.getBinding(lb, fc);
1783 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1785 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1790 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1791 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1793 output.print(md.getReturnType().getSafeSymbol()+" ");
1794 output.print("(*)(");
1796 boolean printcomma=false;
1797 if (GENERATEPRECISEGC) {
1799 LocalityBinding fclb=locality.getBinding(lb, fc);
1800 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1802 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1806 for(int i=0;i<objectparams.numPrimitives();i++) {
1807 TempDescriptor temp=objectparams.getPrimitive(i);
1811 if (temp.getType().isClass()||temp.getType().isArray())
1812 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
1814 output.print(temp.getType().getSafeSymbol());
1817 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()&&!fc.getMethod().getModifiers().isNative()) {
1818 LocalityBinding fclb=locality.getBinding(lb, fc);
1821 output.print("transrecord_t *");
1826 LocalityBinding fclb=locality.getBinding(lb, fc);
1827 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
1829 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
1833 boolean needcomma=false;
1834 if (GENERATEPRECISEGC) {
1835 output.print("&__parameterlist__");
1839 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()&&!fc.getMethod().getModifiers().isNative()) {
1842 output.print("trans");
1846 if (!GENERATEPRECISEGC) {
1847 if (fc.getThis()!=null) {
1848 TypeDescriptor ptd=md.getThis().getType();
1851 if (ptd.isClass()&&!ptd.isArray())
1852 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1853 output.print(generateTemp(fm,fc.getThis(),lb));
1858 for(int i=0;i<fc.numArgs();i++) {
1859 Descriptor var=md.getParameter(i);
1860 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1861 if (objectparams.isParamPrim(paramtemp)) {
1862 TempDescriptor targ=fc.getArg(i);
1866 TypeDescriptor ptd=md.getParamType(i);
1867 if (ptd.isClass()&&!ptd.isArray())
1868 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1869 output.print(generateTemp(fm, targ,lb));
1873 output.println(");");
1874 output.println(" }");
1877 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
1878 Set subclasses=typeutil.getSubClasses(thiscd);
1879 if (subclasses==null)
1881 for(Iterator classit=subclasses.iterator();classit.hasNext();) {
1882 ClassDescriptor cd=(ClassDescriptor)classit.next();
1883 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
1884 for(Iterator matchit=possiblematches.iterator();matchit.hasNext();) {
1885 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
1886 if (md.matches(matchmd))
1893 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
1895 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
1896 if (status==LocalityAnalysis.GLOBAL) {
1897 String field=ffn.getField().getSafeSymbol();
1898 String src=generateTemp(fm, ffn.getSrc(),lb);
1899 String dst=generateTemp(fm, ffn.getDst(),lb);
1901 if (ffn.getField().getType().isPtr()) {
1903 //TODO: Uncomment this when we have runtime support
1904 //if (ffn.getSrc()==ffn.getDst()) {
1905 //output.println("{");
1906 //output.println("void * temp="+src+";");
1907 //output.println("if (temp&0x1) {");
1908 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
1909 //output.println(src+"->"+field+"="+temp+";");
1910 //output.println("}");
1911 //output.println(dst+"=temp;");
1912 //output.println("}");
1914 output.println(dst+"="+ src +"->"+field+ ";");
1915 //output.println("if ("+dst+"&0x1) {");
1916 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
1917 //output.println(src+"->"+field+"="+src+"->"+field+";");
1918 //output.println("}");
1921 output.println(dst+"="+ src+"->"+field+";");
1923 } else if (status==LocalityAnalysis.LOCAL) {
1924 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1925 } else if (status==LocalityAnalysis.EITHER) {
1926 //Code is reading from a null pointer
1927 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
1928 output.println("#ifndef RAW");
1929 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
1930 output.println("#endif");
1931 //This should throw a suitable null pointer error
1932 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1934 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
1936 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1940 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
1941 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
1942 throw new Error("Can't set array length");
1943 if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
1944 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
1945 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
1946 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
1948 String src=generateTemp(fm,fsfn.getSrc(),lb);
1949 String dst=generateTemp(fm,fsfn.getDst(),lb);
1951 output.println("{");
1952 output.println("int srcoid=(int)"+src+"->"+oidstr+";");
1954 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
1957 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
1959 output.println("*((unsigned int *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
1961 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1962 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
1963 /** Check if we need to copy */
1964 output.println("if(!"+dst+"->"+localcopystr+") {");
1965 /* Link object into list */
1966 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1967 output.println(revertptr+"=trans->revertlist;");
1968 if (GENERATEPRECISEGC)
1969 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
1971 output.println("COPY_OBJ("+dst+");");
1972 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
1973 output.println("trans->revertlist=(struct ___Object___ *)"+dst+";");
1974 output.println("}");
1976 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
1978 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1979 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
1980 //writing to a null...bad
1981 output.println("if ("+dst+") {");
1982 output.println("#ifndef RAW");
1983 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
1984 output.println("#endif");
1986 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
1988 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1991 output.println("}");
1994 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
1998 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
1999 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2002 if (elementtype.isArray()||elementtype.isClass())
2005 type=elementtype.getSafeSymbol()+" ";
2007 if (fen.needsBoundsCheck()) {
2008 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2009 output.println("failedboundschk();");
2012 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2013 if (status==LocalityAnalysis.GLOBAL) {
2014 String dst=generateTemp(fm, fen.getDst(),lb);
2016 if (elementtype.isPtr()) {
2017 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2018 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
2020 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2022 } else if (status==LocalityAnalysis.LOCAL) {
2023 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2024 } else if (status==LocalityAnalysis.EITHER) {
2025 //Code is reading from a null pointer
2026 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2027 output.println("#ifndef RAW");
2028 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2029 output.println("#endif");
2030 //This should throw a suitable null pointer error
2031 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2033 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2035 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2039 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2040 //TODO: need dynamic check to make sure this assignment is actually legal
2041 //Because Object[] could actually be something more specific...ie. Integer[]
2043 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2046 if (elementtype.isArray()||elementtype.isClass())
2049 type=elementtype.getSafeSymbol()+" ";
2052 if (fsen.needsBoundsCheck()) {
2053 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2054 output.println("failedboundschk();");
2057 if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2058 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2059 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2060 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2061 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2062 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2065 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2066 } else if (dstlocal) {
2067 /** Check if we need to copy */
2068 String dst=generateTemp(fm, fsen.getDst(),lb);
2069 output.println("if(!"+dst+"->"+localcopystr+") {");
2070 /* Link object into list */
2071 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2072 output.println(revertptr+"=trans->revertlist;");
2073 if (GENERATEPRECISEGC)
2074 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2076 output.println("COPY_OBJ("+dst+");");
2077 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2078 output.println("trans->revertlist=(struct ___Object___ *)"+dst+";");
2079 output.println("}");
2080 } else throw new Error("Unknown array type");
2082 output.println("{");
2083 String src=generateTemp(fm, fsen.getSrc(), lb);
2084 output.println("int srcoid=(int)"+src+"->"+oidstr+";");
2085 output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2086 output.println("}");
2088 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2091 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2094 private void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2095 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2096 //Stash pointer in case of GC
2097 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2098 output.println(revertptr+"=trans->revertlist;");
2100 if (fn.getType().isArray()) {
2101 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2102 if (fn.isGlobal()) {
2103 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal(trans, "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2104 } else if (GENERATEPRECISEGC) {
2105 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2107 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2110 if (fn.isGlobal()) {
2111 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal(trans, "+fn.getType().getClassDesc().getId()+");");
2112 } else if (GENERATEPRECISEGC) {
2113 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2115 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2118 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2119 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2120 output.println("trans->revertlist="+revertptr+";");
2124 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2125 if (GENERATEPRECISEGC) {
2126 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2128 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2132 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2133 if (fon.getRight()!=null) {
2134 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2135 if (fon.getLeft().getType().isLong())
2136 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2138 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2141 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2142 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2143 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2144 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2145 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2146 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2147 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2148 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2149 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2150 else if (fon.getOp().getOp()==Operation.COMP)
2151 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2152 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2153 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2155 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2158 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2159 /* TODO: Do type check here */
2160 if (fcn.getType().isArray()) {
2162 } else if (fcn.getType().isClass())
2163 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2165 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2168 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2169 if (fln.getValue()==null)
2170 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2171 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2172 if (GENERATEPRECISEGC) {
2173 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2174 //Stash pointer in case of GC
2175 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2176 output.println(revertptr+"=trans->revertlist;");
2178 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2179 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2180 //Stash pointer in case of GC
2181 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2182 output.println("trans->revertlist="+revertptr+";");
2185 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2187 } else if (fln.getType().isBoolean()) {
2188 if (((Boolean)fln.getValue()).booleanValue())
2189 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2191 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2192 } else if (fln.getType().isChar()) {
2193 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2194 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2195 } else if (fln.getType().isLong()) {
2196 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2198 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2201 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2202 if (frn.getReturnTemp()!=null) {
2203 if (frn.getReturnTemp().getType().isPtr())
2204 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2206 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2208 output.println("return;");
2212 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2213 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2216 /** This method generates header information for the method or
2217 * task referenced by the Descriptor des. */
2219 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2221 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:des);
2222 MethodDescriptor md=null;
2223 TaskDescriptor task=null;
2224 if (des instanceof MethodDescriptor)
2225 md=(MethodDescriptor) des;
2227 task=(TaskDescriptor) des;
2229 ClassDescriptor cn=md!=null?md.getClassDesc():null;
2231 if (md!=null&&md.getReturnType()!=null) {
2232 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2233 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2235 output.print(md.getReturnType().getSafeSymbol()+" ");
2237 //catch the constructor case
2238 output.print("void ");
2241 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2243 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2245 output.print(task.getSafeSymbol()+"(");
2247 boolean printcomma=false;
2248 if (GENERATEPRECISEGC) {
2251 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2253 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2255 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2259 if (state.DSM&&lb.isAtomic()) {
2262 output.print("transrecord_t * trans");
2268 for(int i=0;i<objectparams.numPrimitives();i++) {
2269 TempDescriptor temp=objectparams.getPrimitive(i);
2273 if (temp.getType().isClass()||temp.getType().isArray())
2274 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2276 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2278 output.println(") {");
2279 } else if (!GENERATEPRECISEGC) {
2280 /* Imprecise Task */
2281 output.println("void * parameterarray[]) {");
2282 /* Unpack variables */
2283 for(int i=0;i<objectparams.numPrimitives();i++) {
2284 TempDescriptor temp=objectparams.getPrimitive(i);
2285 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2287 for(int i=0;i<fm.numTags();i++) {
2288 TempDescriptor temp=fm.getTag(i);
2289 int offset=i+objectparams.numPrimitives();
2290 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2293 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2294 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2295 } else output.println(") {");
2298 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2299 output.println("/* FlatFlagActionNode */");
2302 /* Process tag changes */
2303 Relation tagsettable=new Relation();
2304 Relation tagcleartable=new Relation();
2306 Iterator tagsit=ffan.getTempTagPairs();
2307 while (tagsit.hasNext()) {
2308 TempTagPair ttp=(TempTagPair) tagsit.next();
2309 TempDescriptor objtmp=ttp.getTemp();
2310 TagDescriptor tag=ttp.getTag();
2311 TempDescriptor tagtmp=ttp.getTagTemp();
2312 boolean tagstatus=ffan.getTagChange(ttp);
2314 tagsettable.put(objtmp, tagtmp);
2316 tagcleartable.put(objtmp, tagtmp);
2321 Hashtable flagandtable=new Hashtable();
2322 Hashtable flagortable=new Hashtable();
2324 /* Process flag changes */
2325 Iterator flagsit=ffan.getTempFlagPairs();
2326 while(flagsit.hasNext()) {
2327 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2328 TempDescriptor temp=tfp.getTemp();
2329 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2330 FlagDescriptor flag=tfp.getFlag();
2332 //Newly allocate objects that don't set any flags case
2333 if (flagortable.containsKey(temp)) {
2337 flagortable.put(temp,new Integer(mask));
2339 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2340 boolean flagstatus=ffan.getFlagChange(tfp);
2343 if (flagortable.containsKey(temp)) {
2344 mask=((Integer)flagortable.get(temp)).intValue();
2347 flagortable.put(temp,new Integer(mask));
2349 int mask=0xFFFFFFFF;
2350 if (flagandtable.containsKey(temp)) {
2351 mask=((Integer)flagandtable.get(temp)).intValue();
2353 mask&=(0xFFFFFFFF^flagid);
2354 flagandtable.put(temp,new Integer(mask));
2360 HashSet flagtagset=new HashSet();
2361 flagtagset.addAll(flagortable.keySet());
2362 flagtagset.addAll(flagandtable.keySet());
2363 flagtagset.addAll(tagsettable.keySet());
2364 flagtagset.addAll(tagcleartable.keySet());
2366 Iterator ftit=flagtagset.iterator();
2367 while(ftit.hasNext()) {
2368 TempDescriptor temp=(TempDescriptor)ftit.next();
2371 Set tagtmps=tagcleartable.get(temp);
2372 if (tagtmps!=null) {
2373 Iterator tagit=tagtmps.iterator();
2374 while(tagit.hasNext()) {
2375 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2376 if (GENERATEPRECISEGC)
2377 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2379 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2383 tagtmps=tagsettable.get(temp);
2384 if (tagtmps!=null) {
2385 Iterator tagit=tagtmps.iterator();
2386 while(tagit.hasNext()) {
2387 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2388 if (GENERATEPRECISEGC)
2389 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2391 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2396 int andmask=0xFFFFFFF;
2398 if (flagortable.containsKey(temp))
2399 ormask=((Integer)flagortable.get(temp)).intValue();
2400 if (flagandtable.containsKey(temp))
2401 andmask=((Integer)flagandtable.get(temp)).intValue();
2402 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2403 generateObjectDistribute(ffan, fm, lb, temp, output);
2407 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2408 PrintWriter output, int ormask, int andmask) {
2409 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2410 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2412 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2416 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2417 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
2420 void generateOptionalHeader(PrintWriter headers) {
2423 headers.println("#include \"task.h\"\n\n");
2424 headers.println("#ifndef _OPTIONAL_STRUCT_");
2425 headers.println("#define _OPTIONAL_STRUCT_");
2427 //STRUCT PREDICATEMEMBER
2428 headers.println("struct predicatemember{");
2429 headers.println("int type;");
2430 headers.println("int numdnfterms;");
2431 headers.println("int * flags;");
2432 headers.println("int numtags;");
2433 headers.println("int * tags;\n};\n\n");
2435 //STRUCT OPTIONALTASKDESCRIPTOR
2436 headers.println("struct optionaltaskdescriptor{");
2437 headers.println("struct taskdescriptor * task;");
2438 headers.println("int index;");
2439 headers.println("int numenterflags;");
2440 headers.println("int * enterflags;");
2441 headers.println("int numpredicatemembers;");
2442 headers.println("struct predicatemember ** predicatememberarray;");
2443 headers.println("};\n\n");
2445 //STRUCT TASKFAILURE
2446 headers.println("struct taskfailure {");
2447 headers.println("struct taskdescriptor * task;");
2448 headers.println("int index;");
2449 headers.println("int numoptionaltaskdescriptors;");
2450 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2452 //STRUCT FSANALYSISWRAPPER
2453 headers.println("struct fsanalysiswrapper{");
2454 headers.println("int flags;");
2455 headers.println("int numtags;");
2456 headers.println("int * tags;");
2457 headers.println("int numtaskfailures;");
2458 headers.println("struct taskfailure ** taskfailurearray;");
2459 headers.println("int numoptionaltaskdescriptors;");
2460 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2462 //STRUCT CLASSANALYSISWRAPPER
2463 headers.println("struct classanalysiswrapper{");
2464 headers.println("int type;");
2465 headers.println("int numotd;");
2466 headers.println("struct optionaltaskdescriptor ** otdarray;");
2467 headers.println("int numfsanalysiswrappers;");
2468 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2470 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2472 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2473 while(taskit.hasNext()) {
2474 TaskDescriptor td=(TaskDescriptor)taskit.next();
2475 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2480 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2481 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2482 int predicateindex = 0;
2483 //iterate through the classes concerned by the predicate
2484 Set c_vard = predicate.vardescriptors;
2485 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2488 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();){
2489 VarDescriptor vard = (VarDescriptor)vard_it.next();
2490 TypeDescriptor typed = vard.getType();
2492 //generate for flags
2493 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2494 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2496 if (fen_hashset!=null){
2497 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();){
2498 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2500 DNFFlag dflag=fen.getDNF();
2501 numberterms+=dflag.size();
2503 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2505 for(int j=0;j<dflag.size();j++) {
2507 output.println(",");
2508 Vector term=dflag.get(j);
2511 for(int k=0;k<term.size();k++) {
2512 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2513 FlagDescriptor fd=dfa.getFlag();
2514 boolean negated=dfa.getNegated();
2515 int flagid=1<<((Integer)flags.get(fd)).intValue();
2520 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2525 output.println("};\n");
2528 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2529 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2532 for(int j=0;j<tagel.numTags();j++) {
2534 output.println(",");
2535 TempDescriptor tmp=tagel.getTemp(j);
2536 if (!slotnumber.containsKey(tmp)) {
2537 Integer slotint=new Integer(current_slot++);
2538 slotnumber.put(tmp,slotint);
2540 int slot=slotnumber.get(tmp).intValue();
2541 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2543 numtags = tagel.numTags();
2545 output.println("};");
2547 //store the result into a predicatemember struct
2548 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2549 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2550 output.println("/* number of dnf terms */"+numberterms+",");
2551 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2552 output.println("/* number of tag */"+numtags+",");
2553 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2554 output.println("};\n");
2559 //generate an array that stores the entire predicate
2560 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2561 for( int j = 0; j<predicateindex; j++){
2562 if( j != predicateindex-1)output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2563 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2565 output.println("};\n");
2566 return predicateindex;
2570 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2571 generateOptionalHeader(headers);
2573 output.println("#include \"optionalstruct.h\"\n\n");
2574 output.println("#include \"stdlib.h\"\n");
2576 HashSet processedcd = new HashSet();
2578 Enumeration e = safeexecution.keys();
2579 while (e.hasMoreElements()) {
2582 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2583 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp);//will be used several times
2585 //Generate the struct of optionals
2586 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2587 numotd = c_otd.size();
2588 if(maxotd<numotd) maxotd = numotd;
2589 if( !c_otd.isEmpty() ){
2590 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();){
2591 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2593 //generate the int arrays for the predicate
2594 Predicate predicate = otd.predicate;
2595 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
2596 TreeSet<Integer> fsset=new TreeSet<Integer>();
2597 //iterate through possible FSes corresponding to
2598 //the state when entering
2600 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();){
2601 FlagState fs = (FlagState)fses.next();
2603 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2604 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2605 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2608 fsset.add(new Integer(flagid));
2609 //tag information not needed because tag
2610 //changes are not tolerated.
2613 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2614 boolean needcomma=false;
2615 for(Iterator<Integer> it=fsset.iterator();it.hasNext();) {
2618 output.println(it.next());
2621 output.println("};\n");
2624 //generate optionaltaskdescriptor that actually
2625 //includes exit fses, predicate and the task
2627 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2628 output.println("&task_"+otd.td.getSafeSymbol()+",");
2629 output.println("/*index*/"+otd.getIndex()+",");
2630 output.println("/*number of enter flags*/"+fsset.size()+",");
2631 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2632 output.println("/*number of members */"+predicateindex+",");
2633 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2634 output.println("};\n");
2638 // if there are no optionals, there is no need to build the rest of the struct
2640 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
2641 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2642 if( !c_otd.isEmpty() ){
2643 boolean needcomma=false;
2644 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();){
2645 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2647 output.println(",");
2649 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2652 output.println("};\n");
2654 //get all the possible flagstates reachable by an object
2655 Hashtable hashtbtemp = safeexecution.get(cdtemp);
2657 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
2658 fsts.addAll(hashtbtemp.keySet());
2659 for(Iterator fsit=fsts.iterator();fsit.hasNext();) {
2660 FlagState fs = (FlagState)fsit.next();
2663 //get the set of OptionalTaskDescriptors corresponding
2664 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
2665 //iterate through the OptionalTaskDescriptors and
2666 //store the pointers to the optionals struct (see on
2667 //top) into an array
2669 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
2670 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();){
2671 OptionalTaskDescriptor mm = mos.next();
2673 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
2675 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2678 output.println("};\n");
2680 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
2683 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2684 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2685 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2689 //process tag information
2692 boolean first = true;
2693 Enumeration tag_enum = fs.getTags();
2694 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2695 while(tag_enum.hasMoreElements()){
2697 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
2701 output.println(", ");
2702 output.println("/*tagid*/"+state.getTagId(tagd));
2704 output.println("};");
2706 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
2707 for(Iterator<TaskIndex> itti=tiset.iterator();itti.hasNext();) {
2708 TaskIndex ti=itti.next();
2712 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
2714 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
2715 boolean needcomma=false;
2716 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator();otdit.hasNext();) {
2717 OptionalTaskDescriptor otd=otdit.next();
2721 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2723 output.println("};");
2725 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
2726 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
2727 output.print(ti.getIndex()+", ");
2728 output.print(otdset.size()+", ");
2729 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
2730 output.println("};");
2733 tiset=sa.getTaskIndex(fs);
2734 boolean needcomma=false;
2736 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2737 for(Iterator<TaskIndex> itti=tiset.iterator();itti.hasNext();) {
2738 TaskIndex ti=itti.next();
2739 if (ti.isRuntime()) {
2746 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
2748 output.println("};\n");
2750 //Store the result in fsanalysiswrapper
2752 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
2753 output.println("/*flag*/"+flagid+",");
2754 output.println("/* number of tags*/"+tagcounter+",");
2755 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2756 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
2757 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2758 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
2759 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
2760 output.println("};\n");
2764 //Build the array of fsanalysiswrappers
2765 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
2766 boolean needcomma=false;
2767 for(int i = 0; i<fscounter; i++){
2768 if (needcomma) output.print(",");
2769 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
2772 output.println("};");
2774 //Build the classanalysiswrapper referring to the previous array
2775 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
2776 output.println("/*type*/"+cdtemp.getId()+",");
2777 output.println("/*numotd*/"+numotd+",");
2778 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
2779 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
2780 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
2781 processedcd.add(cdtemp);
2784 //build an array containing every classes for which code has been build
2785 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
2786 for(int i=0;i<state.numClasses();i++) {
2787 ClassDescriptor cn=cdarray[i];
2790 if (processedcd.contains(cn))
2791 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
2793 output.print("NULL");
2795 output.println("};");
2797 output.println("#define MAXOTD "+maxotd);
2798 headers.println("#endif");
2801 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
2802 Relation r=new Relation();
2803 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator();otdit.hasNext();) {
2804 OptionalTaskDescriptor otd=otdit.next();
2805 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
2809 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
2810 for(Iterator it=r.keySet().iterator();it.hasNext();) {
2811 Set s=r.get(it.next());
2812 for(Iterator it2=s.iterator();it2.hasNext();) {
2813 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
2821 protected void outputTransCode(PrintWriter output) {