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\"");
319 outmethod.println("#include \"dstm.h\"");
320 outmethod.println("#include \"localobjects.h\"");
322 if(state.MULTICORE) {
323 outmethod.println("#include \"task.h\"");
325 if (state.THREAD||state.DSM)
326 outmethod.println("#include <thread.h>");
327 if (state.main!=null) {
328 outmethod.println("#include <string.h>");
330 if (state.CONSCHECK) {
331 outmethod.println("#include \"checkers.h\"");
333 //Store the sizes of classes & array elements
334 generateSizeArray(outmethod);
336 //Store table of supertypes
337 generateSuperTypeTable(outmethod);
339 //Store the layout of classes
340 generateLayoutStructs(outmethod);
342 /* Generate code for methods */
344 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator();lbit.hasNext();) {
345 LocalityBinding lb=lbit.next();
346 MethodDescriptor md=lb.getMethod();
347 FlatMethod fm=state.getMethodFlat(md);
348 if (!md.getModifiers().isNative()) {
349 generateFlatMethod(fm, lb, outmethod);
353 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
354 while(classit.hasNext()) {
355 ClassDescriptor cn=(ClassDescriptor)classit.next();
356 Iterator methodit=cn.getMethods();
357 while(methodit.hasNext()) {
358 /* Classify parameters */
359 MethodDescriptor md=(MethodDescriptor)methodit.next();
360 FlatMethod fm=state.getMethodFlat(md);
361 if (!md.getModifiers().isNative()) {
362 generateFlatMethod(fm, null, outmethod);
369 protected void outputStructs(PrintWriter outstructs) {
370 outstructs.println("#ifndef STRUCTDEFS_H");
371 outstructs.println("#define STRUCTDEFS_H");
372 outstructs.println("#include \"classdefs.h\"");
374 /* Output #defines that the runtime uses to determine type
375 * numbers for various objects it needs */
376 outstructs.println("#define MAXCOUNT "+maxcount);
378 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
379 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
380 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
383 outstructs.println("#define STRINGARRAYTYPE "+
384 (state.getArrayNumber(
385 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
387 outstructs.println("#define OBJECTARRAYTYPE "+
388 (state.getArrayNumber(
389 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
392 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
393 outstructs.println("#define CHARARRAYTYPE "+
394 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
396 outstructs.println("#define BYTEARRAYTYPE "+
397 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
399 outstructs.println("#define BYTEARRAYARRAYTYPE "+
400 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
402 outstructs.println("#define NUMCLASSES "+state.numClasses());
404 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
405 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
406 outstructs.println("#define TAGARRAYTYPE "+
407 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
411 protected void outputClassDeclarations(PrintWriter outclassdefs) {
412 if (state.THREAD||state.DSM)
413 outclassdefs.println("#include <pthread.h>");
415 outclassdefs.println("#include \"optionalstruct.h\"");
416 outclassdefs.println("struct "+arraytype+";");
417 /* Start by declaring all structs */
418 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
419 while(it.hasNext()) {
420 ClassDescriptor cn=(ClassDescriptor)it.next();
421 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
423 outclassdefs.println("");
424 //Print out definition for array type
425 outclassdefs.println("struct "+arraytype+" {");
426 outclassdefs.println(" int type;");
428 outclassdefs.println(" pthread_t tid;");
429 outclassdefs.println(" void * lockentry;");
430 outclassdefs.println(" int lockcount;");
433 outclassdefs.println(" int flag;");
434 if(!state.MULTICORE) {
435 outclassdefs.println(" void * flagptr;");
437 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
438 outclassdefs.println(" int version;");
439 outclassdefs.println(" struct ___Object___ * original;");
442 outclassdefs.println(" int numfses;");
443 outclassdefs.println(" int * fses;");
446 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
448 outclassdefs.println(" int ___length___;");
449 outclassdefs.println("};\n");
450 outclassdefs.println("extern int classsize[];");
451 outclassdefs.println("extern int hasflags[];");
452 outclassdefs.println("extern unsigned int * pointerarray[];");
453 outclassdefs.println("extern int supertypes[];");
456 /** Prints out definitions for generic task structures */
458 private void outputTaskTypes(PrintWriter outtask) {
459 outtask.println("#ifndef _TASK_H");
460 outtask.println("#define _TASK_H");
461 outtask.println("struct parameterdescriptor {");
462 outtask.println("int type;");
463 outtask.println("int numberterms;");
464 outtask.println("int *intarray;");
465 outtask.println("void * queue;");
466 outtask.println("int numbertags;");
467 outtask.println("int *tagarray;");
468 outtask.println("};");
470 outtask.println("struct taskdescriptor {");
471 outtask.println("void * taskptr;");
472 outtask.println("int numParameters;");
473 outtask.println(" int numTotal;");
474 outtask.println("struct parameterdescriptor **descriptorarray;");
475 outtask.println("char * name;");
476 outtask.println("};");
477 outtask.println("extern struct taskdescriptor * taskarray[];");
478 outtask.println("extern numtasks;");
479 outtask.println("#endif");
483 private void buildRepairStructs(PrintWriter outrepairstructs) {
484 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
485 while(classit.hasNext()) {
486 ClassDescriptor cn=(ClassDescriptor)classit.next();
487 outrepairstructs.println("structure "+cn.getSymbol()+" {");
488 outrepairstructs.println(" int __type__;");
490 outrepairstructs.println(" int __flag__;");
491 if(!state.MULTICORE) {
492 outrepairstructs.println(" int __flagptr__;");
495 printRepairStruct(cn, outrepairstructs);
496 outrepairstructs.println("}\n");
499 for(int i=0;i<state.numArrays();i++) {
500 TypeDescriptor tdarray=arraytable[i];
501 TypeDescriptor tdelement=tdarray.dereference();
502 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
503 outrepairstructs.println(" int __type__;");
504 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
505 outrepairstructs.println(" int length;");
507 // Need to add support to repair tool for this
508 if (tdelement.isClass()||tdelement.isArray())
509 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
511 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
513 outrepairstructs.println("}\n");
517 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
518 ClassDescriptor sp=cn.getSuperDesc();
520 printRepairStruct(sp, output);
522 Vector fields=(Vector)fieldorder.get(cn);
524 for(int i=0;i<fields.size();i++) {
525 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
526 if (fd.getType().isArray()) {
527 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
528 } else if (fd.getType().isClass())
529 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
530 else if (fd.getType().isFloat())
531 output.println(" int "+fd.getSymbol()+"; /* really float */");
533 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
537 /** This method outputs TaskDescriptor information */
538 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
539 for (int i=0;i<task.numParameters();i++) {
540 VarDescriptor param_var=task.getParameter(i);
541 TypeDescriptor param_type=task.getParamType(i);
542 FlagExpressionNode param_flag=task.getFlag(param_var);
543 TagExpressionList param_tag=task.getTag(param_var);
546 if (param_flag==null) {
547 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
548 output.println("0x0, 0x0 };");
551 DNFFlag dflag=param_flag.getDNF();
552 dnfterms=dflag.size();
554 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
555 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
556 for(int j=0;j<dflag.size();j++) {
559 Vector term=dflag.get(j);
562 for(int k=0;k<term.size();k++) {
563 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
564 FlagDescriptor fd=dfa.getFlag();
565 boolean negated=dfa.getNegated();
566 int flagid=1<<((Integer)flags.get(fd)).intValue();
571 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
573 output.println("};");
576 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
577 //BUG...added next line to fix, test with any task program
579 for(int j=0;j<param_tag.numTags();j++) {
582 /* for each tag we need */
583 /* which slot it is */
584 /* what type it is */
585 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
586 TempDescriptor tmp=param_tag.getTemp(j);
587 int slot=fm.getTagInt(tmp);
588 output.println(slot+", "+state.getTagId(tvd.getTag()));
590 output.println("};");
592 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
593 output.println("/* type */"+param_type.getClassDesc().getId()+",");
594 output.println("/* number of DNF terms */"+dnfterms+",");
595 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
596 output.println("0,");
597 //BUG, added next line to fix and else statement...test
598 //with any task program
600 output.println("/* number of tags */"+param_tag.numTags()+",");
602 output.println("/* number of tags */ 0,");
603 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
604 output.println("};");
608 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
609 for (int i=0;i<task.numParameters();i++) {
612 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
614 output.println("};");
616 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
617 output.println("&"+task.getSafeSymbol()+",");
618 output.println("/* number of parameters */" +task.numParameters() + ",");
619 int numtotal=task.numParameters()+fm.numTags();
620 output.println("/* number total parameters */" +numtotal + ",");
621 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
622 output.println("\""+task.getSymbol()+"\"");
623 output.println("};");
627 /** The buildVirtualTables method outputs the virtual dispatch
628 * tables for methods. */
630 protected void buildVirtualTables(PrintWriter outvirtual) {
631 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
632 while(classit.hasNext()) {
633 ClassDescriptor cd=(ClassDescriptor)classit.next();
634 if (virtualcalls.getMethodCount(cd)>maxcount)
635 maxcount=virtualcalls.getMethodCount(cd);
637 MethodDescriptor[][] virtualtable=null;
638 LocalityBinding[][] lbvirtualtable=null;
640 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
642 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
644 /* Fill in virtual table */
645 classit=state.getClassSymbolTable().getDescriptorsIterator();
646 while(classit.hasNext()) {
647 ClassDescriptor cd=(ClassDescriptor)classit.next();
649 fillinRow(cd, lbvirtualtable, cd.getId());
651 fillinRow(cd, virtualtable, cd.getId());
654 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
655 Iterator arrayit=state.getArrayIterator();
656 while(arrayit.hasNext()) {
657 TypeDescriptor td=(TypeDescriptor)arrayit.next();
658 int id=state.getArrayNumber(td);
660 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
662 fillinRow(objectcd, virtualtable, id+state.numClasses());
665 outvirtual.print("void * virtualtable[]={");
666 boolean needcomma=false;
667 for(int i=0;i<state.numClasses()+state.numArrays();i++) {
668 for(int j=0;j<maxcount;j++) {
670 outvirtual.print(", ");
671 if (state.DSM&&lbvirtualtable[i][j]!=null) {
672 LocalityBinding lb=lbvirtualtable[i][j];
673 MethodDescriptor md=lb.getMethod();
674 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
675 } else if (!state.DSM&&virtualtable[i][j]!=null) {
676 MethodDescriptor md=virtualtable[i][j];
677 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
679 outvirtual.print("0");
683 outvirtual.println("");
685 outvirtual.println("};");
689 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
690 /* Get inherited methods */
691 if (cd.getSuperDesc()!=null)
692 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
693 /* Override them with our methods */
694 for(Iterator it=cd.getMethods();it.hasNext();) {
695 MethodDescriptor md=(MethodDescriptor)it.next();
696 if (md.isStatic()||md.getReturnType()==null)
698 int methodnum=virtualcalls.getMethodNumber(md);
699 virtualtable[rownum][methodnum]=md;
703 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
704 /* Get inherited methods */
705 if (cd.getSuperDesc()!=null)
706 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
707 /* Override them with our methods */
708 if (locality.getClassBindings(cd)!=null)
709 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator();lbit.hasNext();) {
710 LocalityBinding lb=lbit.next();
711 MethodDescriptor md=lb.getMethod();
712 //Is the method static or a constructor
713 if (md.isStatic()||md.getReturnType()==null)
715 int methodnum=virtualcalls.getLocalityNumber(lb);
716 virtualtable[rownum][methodnum]=lb;
721 /** Generate array that contains the sizes of class objects. The
722 * object allocation functions in the runtime use this
725 private void generateSizeArray(PrintWriter outclassdefs) {
726 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
727 outclassdefs.print("#ifdef TRANSSTATS \n");
728 outclassdefs.print("extern int numTransAbort;\n");
729 outclassdefs.print("extern int numTransCommit;\n");
730 outclassdefs.print("extern void handle();\n");
731 outclassdefs.print("#endif\n");
732 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
734 outclassdefs.print("int classsize[]={");
735 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
736 cdarray=new ClassDescriptor[state.numClasses()];
737 while(it.hasNext()) {
738 ClassDescriptor cd=(ClassDescriptor)it.next();
739 cdarray[cd.getId()]=cd;
741 boolean needcomma=false;
742 for(int i=0;i<state.numClasses();i++) {
744 outclassdefs.print(", ");
745 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
749 arraytable=new TypeDescriptor[state.numArrays()];
751 Iterator arrayit=state.getArrayIterator();
752 while(arrayit.hasNext()) {
753 TypeDescriptor td=(TypeDescriptor)arrayit.next();
754 int id=state.getArrayNumber(td);
758 for(int i=0;i<state.numArrays();i++) {
760 outclassdefs.print(", ");
761 TypeDescriptor tdelement=arraytable[i].dereference();
762 if (tdelement.isArray()||tdelement.isClass())
763 outclassdefs.print("sizeof(void *)");
765 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
769 outclassdefs.println("};");
772 /** Constructs params and temp objects for each method or task.
773 * These objects tell the compiler which temps need to be
776 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
777 MethodDescriptor md=fm.getMethod();
778 TaskDescriptor task=fm.getTask();
779 Set<TempDescriptor> saveset=lb!=null?locality.getTempSet(lb):null;
780 ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
783 paramstable.put(lb, objectparams);
785 paramstable.put(md, objectparams);
787 paramstable.put(task, objectparams);
789 for(int i=0;i<fm.numParameters();i++) {
790 TempDescriptor temp=fm.getParameter(i);
791 TypeDescriptor type=temp.getType();
792 if (type.isPtr()&&GENERATEPRECISEGC)
793 objectparams.addPtr(temp);
795 objectparams.addPrim(temp);
796 if(lb!=null&&saveset.contains(temp)) {
797 backuptable.put(temp, temp.createNew());
801 for(int i=0;i<fm.numTags();i++) {
802 TempDescriptor temp=fm.getTag(i);
803 if (GENERATEPRECISEGC)
804 objectparams.addPtr(temp);
806 objectparams.addPrim(temp);
809 TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
811 tempstable.put(lb, objecttemps);
813 tempstable.put(md, objecttemps);
815 tempstable.put(task, objecttemps);
817 for(Iterator nodeit=fm.getNodeSet().iterator();nodeit.hasNext();) {
818 FlatNode fn=(FlatNode)nodeit.next();
819 TempDescriptor[] writes=fn.writesTemps();
820 for(int i=0;i<writes.length;i++) {
821 TempDescriptor temp=writes[i];
822 TypeDescriptor type=temp.getType();
823 if (type.isPtr()&&GENERATEPRECISEGC)
824 objecttemps.addPtr(temp);
826 objecttemps.addPrim(temp);
827 if(lb!=null&&saveset.contains(temp)&&
828 !backuptable.containsKey(temp))
829 backuptable.put(temp, temp.createNew());
833 /* Create backup temps */
835 for(Iterator<TempDescriptor> tmpit=backuptable.values().iterator();tmpit.hasNext();) {
836 TempDescriptor tmp=tmpit.next();
837 TypeDescriptor type=tmp.getType();
838 if (type.isPtr()&&GENERATEPRECISEGC)
839 objecttemps.addPtr(tmp);
841 objecttemps.addPrim(tmp);
843 /* Create temp to hold revert table */
844 if (lb.getHasAtomic()||lb.isAtomic()) {
845 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
846 if (GENERATEPRECISEGC)
847 objecttemps.addPtr(reverttmp);
849 objecttemps.addPrim(reverttmp);
850 reverttable.put(lb, reverttmp);
855 /** This method outputs the following information about classes
857 * (1) For classes, what are the locations of pointers.
858 * (2) For arrays, does the array contain pointers or primitives.
859 * (3) For classes, does the class contain flags.
862 private void generateLayoutStructs(PrintWriter output) {
863 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
864 while(it.hasNext()) {
865 ClassDescriptor cn=(ClassDescriptor)it.next();
866 output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
867 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
869 while(allit.hasNext()) {
870 FieldDescriptor fd=(FieldDescriptor)allit.next();
871 TypeDescriptor type=fd.getType();
872 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
878 allit=cn.getFieldTable().getAllDescriptorsIterator();
879 while(allit.hasNext()) {
880 FieldDescriptor fd=(FieldDescriptor)allit.next();
881 TypeDescriptor type=fd.getType();
882 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
886 output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
889 output.println("};");
891 output.println("unsigned int * pointerarray[]={");
892 boolean needcomma=false;
893 for(int i=0;i<state.numClasses();i++) {
894 ClassDescriptor cn=cdarray[i];
898 output.print(cn.getSafeSymbol()+"_pointers");
901 for(int i=0;i<state.numArrays();i++) {
903 output.println(", ");
904 TypeDescriptor tdelement=arraytable[i].dereference();
905 if (tdelement.isArray()||tdelement.isClass())
906 output.print("((unsigned int *)1)");
912 output.println("};");
914 output.println("int hasflags[]={");
915 for(int i=0;i<state.numClasses();i++) {
916 ClassDescriptor cn=cdarray[i];
918 output.println(", ");
925 output.println("};");
928 /** Print out table to give us supertypes */
929 private void generateSuperTypeTable(PrintWriter output) {
930 output.println("int supertypes[]={");
931 boolean needcomma=false;
932 for(int i=0;i<state.numClasses();i++) {
933 ClassDescriptor cn=cdarray[i];
937 if (cn.getSuperDesc()!=null) {
938 ClassDescriptor cdsuper=cn.getSuperDesc();
939 output.print(cdsuper.getId());
943 output.println("};");
946 /** Force consistent field ordering between inherited classes. */
948 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
950 ClassDescriptor sp=cn.getSuperDesc();
952 printClassStruct(sp, classdefout);
954 if (!fieldorder.containsKey(cn)) {
955 Vector fields=new Vector();
956 fieldorder.put(cn,fields);
957 if (sp==null&&!state.TASK) {
958 fields.add(cn.getFieldTable().get("cachedCode"));
960 Iterator fieldit=cn.getFields();
961 while(fieldit.hasNext()) {
962 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
963 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
964 (!fd.getSymbol().equals("cachedCode")||state.TASK))
968 Vector fields=(Vector)fieldorder.get(cn);
970 for(int i=0;i<fields.size();i++) {
971 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
972 if (fd.getType().isClass()||fd.getType().isArray())
973 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
975 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
980 /* Map flags to integers consistently between inherited
983 protected void mapFlags(ClassDescriptor cn) {
984 ClassDescriptor sp=cn.getSuperDesc();
988 if (!flagorder.containsKey(cn)) {
989 Hashtable flags=new Hashtable();
990 flagorder.put(cn,flags);
992 Hashtable superflags=(Hashtable)flagorder.get(sp);
993 Iterator superflagit=superflags.keySet().iterator();
994 while(superflagit.hasNext()) {
995 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
996 Integer number=(Integer)superflags.get(fd);
997 flags.put(fd, number);
998 if ((number.intValue()+1)>max)
999 max=number.intValue()+1;
1003 Iterator flagit=cn.getFlags();
1004 while(flagit.hasNext()) {
1005 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1006 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1007 flags.put(fd, new Integer(max++));
1013 /** This function outputs (1) structures that parameters are
1014 * passed in (when PRECISE GC is enabled) and (2) function
1015 * prototypes for the methods */
1017 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1018 /* Output class structure */
1019 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1020 classdefout.println(" int type;");
1022 classdefout.println(" pthread_t tid;");
1023 classdefout.println(" void * lockentry;");
1024 classdefout.println(" int lockcount;");
1028 classdefout.println(" int flag;");
1029 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1030 classdefout.println(" void * flagptr;");
1031 } else if (state.MULTICORE){
1032 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1033 classdefout.println(" int version;");
1034 classdefout.println(" struct ___Object___ * original;");
1036 if (state.OPTIONAL){
1037 classdefout.println(" int numfses;");
1038 classdefout.println(" int * fses;");
1041 printClassStruct(cn, classdefout);
1042 classdefout.println("};\n");
1045 /* Cycle through LocalityBindings */
1046 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1047 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1049 for(Iterator<LocalityBinding> lbit=lbset.iterator();lbit.hasNext();) {
1050 LocalityBinding lb=lbit.next();
1051 MethodDescriptor md=lb.getMethod();
1052 if (md.getModifiers().isNative()) {
1053 //make sure we only print a native method once
1054 if (nativemethods.contains(md)) {
1055 FlatMethod fm=state.getMethodFlat(md);
1056 generateTempStructs(fm, lb);
1059 nativemethods.add(md);
1061 generateMethod(cn, md, lb, headersout, output);
1064 for(Iterator methodit=cn.getMethods();methodit.hasNext();) {
1065 MethodDescriptor md=(MethodDescriptor)methodit.next();
1066 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1067 //Need to build param structure for library code
1068 FlatMethod fm=state.getMethodFlat(md);
1069 generateTempStructs(fm, null);
1070 generateMethodParam(cn, md, null, output);
1075 for(Iterator methodit=cn.getMethods();methodit.hasNext();) {
1076 MethodDescriptor md=(MethodDescriptor)methodit.next();
1077 generateMethod(cn, md, null, headersout, output);
1081 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1082 /* Output parameter structure */
1083 if (GENERATEPRECISEGC) {
1084 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null?lb:md);
1085 if (state.DSM&&lb!=null)
1086 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1088 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1089 output.println(" int size;");
1090 output.println(" void * next;");
1091 for(int i=0;i<objectparams.numPointers();i++) {
1092 TempDescriptor temp=objectparams.getPointer(i);
1093 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1095 output.println("};\n");
1100 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1101 FlatMethod fm=state.getMethodFlat(md);
1102 generateTempStructs(fm, lb);
1104 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null?lb:md);
1105 TempObject objecttemps=(TempObject) tempstable.get(lb!=null?lb:md);
1107 generateMethodParam(cn, md, lb, output);
1109 /* Output temp structure */
1110 if (GENERATEPRECISEGC) {
1112 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1114 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1115 output.println(" int size;");
1116 output.println(" void * next;");
1117 for(int i=0;i<objecttemps.numPointers();i++) {
1118 TempDescriptor temp=objecttemps.getPointer(i);
1119 if (temp.getType().isNull())
1120 output.println(" void * "+temp.getSafeSymbol()+";");
1122 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1124 output.println("};\n");
1127 /********* Output method declaration ***********/
1129 /* First the return type */
1130 if (md.getReturnType()!=null) {
1131 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1132 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1134 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1136 //catch the constructor case
1137 headersout.print("void ");
1139 /* Next the method name */
1141 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1143 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1145 boolean printcomma=false;
1146 if (GENERATEPRECISEGC) {
1148 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1150 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1154 if (state.DSM&&lb.isAtomic()&&!md.getModifiers().isNative()) {
1156 headersout.print(", ");
1157 headersout.print("transrecord_t * trans");
1161 /* Output parameter list*/
1162 for(int i=0;i<objectparams.numPrimitives();i++) {
1163 TempDescriptor temp=objectparams.getPrimitive(i);
1165 headersout.print(", ");
1167 if (temp.getType().isClass()||temp.getType().isArray())
1168 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1170 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1172 headersout.println(");\n");
1176 /** This function outputs (1) structures that parameters are
1177 * passed in (when PRECISE GC is enabled) and (2) function
1178 * prototypes for the tasks */
1180 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1181 /* Cycle through tasks */
1182 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1184 while(taskit.hasNext()) {
1185 /* Classify parameters */
1186 TaskDescriptor task=(TaskDescriptor)taskit.next();
1187 FlatMethod fm=state.getMethodFlat(task);
1188 generateTempStructs(fm, null);
1190 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1191 TempObject objecttemps=(TempObject) tempstable.get(task);
1193 /* Output parameter structure */
1194 if (GENERATEPRECISEGC) {
1195 output.println("struct "+task.getSafeSymbol()+"_params {");
1197 output.println(" int size;");
1198 output.println(" void * next;");
1199 for(int i=0;i<objectparams.numPointers();i++) {
1200 TempDescriptor temp=objectparams.getPointer(i);
1201 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1204 output.println("};\n");
1205 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1206 maxtaskparams=objectparams.numPointers()+fm.numTags();
1210 /* Output temp structure */
1211 if (GENERATEPRECISEGC) {
1212 output.println("struct "+task.getSafeSymbol()+"_locals {");
1213 output.println(" int size;");
1214 output.println(" void * next;");
1215 for(int i=0;i<objecttemps.numPointers();i++) {
1216 TempDescriptor temp=objecttemps.getPointer(i);
1217 if (temp.getType().isNull())
1218 output.println(" void * "+temp.getSafeSymbol()+";");
1219 else if(temp.getType().isTag())
1220 output.println(" struct "+
1221 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1223 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1225 output.println("};\n");
1228 /* Output task declaration */
1229 headersout.print("void " + task.getSafeSymbol()+"(");
1231 boolean printcomma=false;
1232 if (GENERATEPRECISEGC) {
1233 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1235 headersout.print("void * parameterarray[]");
1236 headersout.println(");\n");
1240 /***** Generate code for FlatMethod fm. *****/
1242 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1243 if (State.PRINTFLAT)
1244 System.out.println(fm.printMethod());
1245 MethodDescriptor md=fm.getMethod();
1247 TaskDescriptor task=fm.getTask();
1249 ClassDescriptor cn=md!=null?md.getClassDesc():null;
1251 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:md!=null?md:task);
1252 generateHeader(fm, lb, md!=null?md:task,output);
1253 TempObject objecttemp=(TempObject) tempstable.get(lb!=null?lb:md!=null?md:task);
1254 if (state.DSM&&lb.getHasAtomic()) {
1255 output.println("transrecord_t * trans;");
1258 if (GENERATEPRECISEGC) {
1259 if (md!=null&&state.DSM)
1260 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1261 else if (md!=null&&!state.DSM)
1262 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1264 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1266 output.print(objecttemp.numPointers()+",");
1267 output.print(paramsprefix);
1268 for(int j=0;j<objecttemp.numPointers();j++)
1269 output.print(", NULL");
1270 output.println("};");
1273 for(int i=0;i<objecttemp.numPrimitives();i++) {
1274 TempDescriptor td=objecttemp.getPrimitive(i);
1275 TypeDescriptor type=td.getType();
1277 output.println(" void * "+td.getSafeSymbol()+";");
1278 else if (type.isClass()||type.isArray())
1279 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1281 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1284 /* Assign labels to FlatNode's if necessary.*/
1286 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(fm);
1288 /* Check to see if we need to do a GC if this is a
1289 * multi-threaded program...*/
1291 if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
1292 if (state.DSM&&lb.isAtomic())
1293 output.println("checkcollect2(&"+localsprefix+",trans);");
1295 output.println("checkcollect(&"+localsprefix+");");
1298 /* Do the actual code generation */
1299 FlatNode current_node=null;
1300 HashSet tovisit=new HashSet();
1301 HashSet visited=new HashSet();
1302 tovisit.add(fm.getNext(0));
1303 while(current_node!=null||!tovisit.isEmpty()) {
1304 if (current_node==null) {
1305 current_node=(FlatNode)tovisit.iterator().next();
1306 tovisit.remove(current_node);
1308 visited.add(current_node);
1309 if (nodetolabel.containsKey(current_node))
1310 output.println("L"+nodetolabel.get(current_node)+":");
1311 if (state.INSTRUCTIONFAILURE) {
1312 if (state.THREAD||state.DSM) {
1313 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1316 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1318 if (current_node.numNext()==0) {
1320 generateFlatNode(fm, lb, current_node, output);
1321 if (current_node.kind()!=FKind.FlatReturnNode) {
1322 output.println(" return;");
1325 } else if(current_node.numNext()==1) {
1327 generateFlatNode(fm, lb, current_node, output);
1328 FlatNode nextnode=current_node.getNext(0);
1329 if (visited.contains(nextnode)) {
1330 output.println("goto L"+nodetolabel.get(nextnode)+";");
1333 current_node=nextnode;
1334 } else if (current_node.numNext()==2) {
1337 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1338 if (!visited.contains(current_node.getNext(1)))
1339 tovisit.add(current_node.getNext(1));
1340 if (visited.contains(current_node.getNext(0))) {
1341 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1344 current_node=current_node.getNext(0);
1345 } else throw new Error();
1347 output.println("}\n\n");
1350 /** This method assigns labels to FlatNodes */
1352 protected Hashtable<FlatNode, Integer> assignLabels(FlatMethod fm) {
1353 HashSet tovisit=new HashSet();
1354 HashSet visited=new HashSet();
1356 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1357 tovisit.add(fm.getNext(0));
1359 /*Assign labels first. A node needs a label if the previous
1360 * node has two exits or this node is a join point. */
1362 while(!tovisit.isEmpty()) {
1363 FlatNode fn=(FlatNode)tovisit.iterator().next();
1366 for(int i=0;i<fn.numNext();i++) {
1367 FlatNode nn=fn.getNext(i);
1369 //1) Edge >1 of node
1370 nodetolabel.put(nn,new Integer(labelindex++));
1372 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1376 nodetolabel.put(nn,new Integer(labelindex++));
1384 /** Generate text string that corresponds to the TempDescriptor td. */
1385 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1386 MethodDescriptor md=fm.getMethod();
1387 TaskDescriptor task=fm.getTask();
1388 TempObject objecttemps=(TempObject) tempstable.get(lb!=null?lb:md!=null?md:task);
1390 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1391 return td.getSafeSymbol();
1394 if (objecttemps.isLocalPtr(td)) {
1395 return localsprefix+"."+td.getSafeSymbol();
1398 if (objecttemps.isParamPtr(td)) {
1399 return paramsprefix+"->"+td.getSafeSymbol();
1404 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1406 case FKind.FlatAtomicEnterNode:
1407 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1409 case FKind.FlatAtomicExitNode:
1410 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1412 case FKind.FlatGlobalConvNode:
1413 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1415 case FKind.FlatTagDeclaration:
1416 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1418 case FKind.FlatCall:
1419 generateFlatCall(fm, lb, (FlatCall) fn,output);
1421 case FKind.FlatFieldNode:
1422 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1424 case FKind.FlatElementNode:
1425 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1427 case FKind.FlatSetElementNode:
1428 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1430 case FKind.FlatSetFieldNode:
1431 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1434 generateFlatNew(fm, lb, (FlatNew) fn,output);
1436 case FKind.FlatOpNode:
1437 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1439 case FKind.FlatCastNode:
1440 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1442 case FKind.FlatLiteralNode:
1443 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1445 case FKind.FlatReturnNode:
1446 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1449 output.println("/* nop */");
1451 case FKind.FlatBackEdge:
1452 if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
1453 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1454 output.println("checkcollect2(&"+localsprefix+",trans);");
1456 output.println("checkcollect(&"+localsprefix+");");
1458 output.println("/* nop */");
1460 case FKind.FlatCheckNode:
1461 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1463 case FKind.FlatFlagActionNode:
1464 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1466 case FKind.FlatPrefetchNode:
1467 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1473 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1474 if (state.PREFETCH) {
1475 Vector oids = new Vector();
1476 Vector fieldoffset = new Vector();
1477 Vector endoffset = new Vector();
1478 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1479 for(Iterator it = fpn.hspp.iterator();it.hasNext();) {
1480 PrefetchPair pp = (PrefetchPair) it.next();
1481 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1482 /* Find prefetches that can generate oid */
1483 if(statusbase == LocalityAnalysis.GLOBAL) {
1484 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1486 } else if (statusbase == LocalityAnalysis.LOCAL) {
1487 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1494 output.println("{");
1495 output.println("/* prefetch */");
1496 output.println("/* prefetchid_" + fpn.siteid + " */");
1497 output.println("void * prefptr;");
1498 output.println("int tmpindex;");
1500 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1501 /*Create C code for oid array */
1502 output.print(" unsigned int oidarray_[] = {");
1503 boolean needcomma=false;
1504 for (Iterator it = oids.iterator();it.hasNext();) {
1507 output.print(it.next());
1510 output.println("};");
1512 /*Create C code for endoffset values */
1513 output.print(" unsigned short endoffsetarry_[] = {");
1515 for (Iterator it = endoffset.iterator();it.hasNext();) {
1518 output.print(it.next());
1521 output.println("};");
1523 /*Create C code for Field Offset Values */
1524 output.print(" short fieldarry_[] = {");
1526 for (Iterator it = fieldoffset.iterator();it.hasNext();) {
1529 output.print(it.next());
1532 output.println("};");
1533 /* make the prefetch call to Runtime */
1534 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1535 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1536 output.println(" }");
1537 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1538 output.println(" } else {");
1539 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1540 output.println(" }");
1541 output.println("}");
1545 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1546 short offsetcount = 0;
1550 } else if (localbase) {
1551 for(;breakindex<pp.desc.size();breakindex++) {
1552 Descriptor desc=pp.getDescAt(breakindex);
1553 if (desc instanceof FieldDescriptor) {
1554 FieldDescriptor fd=(FieldDescriptor)desc;
1555 if (fd.isGlobal()) {
1563 if (breakindex>pp.desc.size()) //all local
1566 TypeDescriptor lasttype=pp.base.getType();
1567 String basestr=generateTemp(fm, pp.base, lb);
1569 boolean maybenull=fm.getMethod().isStatic()||
1570 !pp.base.equals(fm.getParameter(0));
1572 for(int i=0;i<breakindex;i++) {
1573 String indexcheck="";
1575 Descriptor desc=pp.getDescAt(i);
1576 if (desc instanceof FieldDescriptor) {
1577 FieldDescriptor fd=(FieldDescriptor)desc;
1579 if (!teststr.equals(""))
1581 teststr+="((prefptr="+basestr+")!=NULL)";
1582 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
1584 basestr=basestr+"->"+fd.getSafeSymbol();
1587 lasttype=fd.getType();
1589 IndexDescriptor id=(IndexDescriptor)desc;
1590 indexcheck="((tmpindex=";
1591 for(int j=0;j<id.tddesc.size();j++) {
1592 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
1594 indexcheck+=id.offset+")>=0)&&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
1596 if (!teststr.equals(""))
1598 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
1599 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
1601 lasttype=lasttype.dereference();
1606 if (teststr.equals("")) {
1607 oid="((unsigned int)"+basestr+")";
1609 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
1613 for(int i = breakindex; i < pp.desc.size(); i++) {
1614 String newfieldoffset;
1615 Object desc = pp.getDescAt(i);
1616 if(desc instanceof FieldDescriptor) {
1617 FieldDescriptor fd=(FieldDescriptor)desc;
1618 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
1619 lasttype=fd.getType();
1621 newfieldoffset = "";
1622 IndexDescriptor id=(IndexDescriptor)desc;
1623 for(int j = 0; j < id.tddesc.size(); j++) {
1624 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
1626 newfieldoffset += id.offset.toString();
1627 lasttype=lasttype.dereference();
1629 fieldoffset.add(newfieldoffset);
1632 int base=(tuplecount>0)?((Short)endoffset.get(tuplecount-1)).intValue():0;
1633 base+=pp.desc.size()-breakindex;
1634 endoffset.add(new Short((short)base));
1639 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1640 if (lb!=fgcn.getLocality())
1642 /* Have to generate flat globalconv */
1643 if (fgcn.getMakePtr()) {
1644 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)transRead(trans, (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1646 /* Need to convert to OID */
1647 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1651 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1652 /* Check to see if we need to generate code for this atomic */
1653 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1655 /* Backup the temps. */
1656 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator();tmpit.hasNext();) {
1657 TempDescriptor tmp=tmpit.next();
1658 output.println(generateTemp(fm, backuptable.get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1660 output.println("goto transstart"+faen.getIdentifier()+";");
1662 /******* Print code to retry aborted transaction *******/
1663 output.println("transretry"+faen.getIdentifier()+":");
1666 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator();tmpit.hasNext();) {
1667 TempDescriptor tmp=tmpit.next();
1668 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(tmp),lb)+";");
1671 /********* Need to revert local object store ********/
1672 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1674 output.println("while ("+revertptr+") {");
1675 output.println("struct ___Object___ * tmpptr;");
1676 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1677 output.println("REVERT_OBJ("+revertptr+");");
1678 output.println(revertptr+"=tmpptr;");
1679 output.println("}");
1681 /******* Tell the runtime to start the transaction *******/
1683 output.println("transstart"+faen.getIdentifier()+":");
1684 output.println("trans=transStart();");
1687 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1688 /* Check to see if we need to generate code for this atomic */
1689 if (locality.getAtomic(lb).get(faen).intValue()>0)
1691 //store the revert list before we lose the transaction object
1692 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1693 output.println(revertptr+"=trans->revertlist;");
1694 output.println("if (transCommit(trans)) {");
1695 /* Transaction aborts if it returns true */
1696 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1697 output.println("} else {");
1698 /* Need to commit local object store */
1699 output.println("while ("+revertptr+") {");
1700 output.println("struct ___Object___ * tmpptr;");
1701 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1702 output.println("COMMIT_OBJ("+revertptr+");");
1703 output.println(revertptr+"=tmpptr;");
1704 output.println("}");
1705 output.println("}");
1708 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
1709 if (state.CONSCHECK) {
1710 String specname=fcn.getSpec();
1711 String varname="repairstate___";
1712 output.println("{");
1713 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1715 TempDescriptor[] temps=fcn.getTemps();
1716 String[] vars=fcn.getVars();
1717 for(int i=0;i<temps.length;i++) {
1718 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
1721 output.println("if (doanalysis"+specname+"("+varname+")) {");
1722 output.println("free"+specname+"_state("+varname+");");
1723 output.println("} else {");
1724 output.println("/* Bad invariant */");
1725 output.println("free"+specname+"_state("+varname+");");
1726 output.println("abort_task();");
1727 output.println("}");
1728 output.println("}");
1732 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
1733 MethodDescriptor md=fc.getMethod();
1734 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM?locality.getBinding(lb, fc):md);
1735 ClassDescriptor cn=md.getClassDesc();
1736 output.println("{");
1737 if (GENERATEPRECISEGC) {
1739 LocalityBinding fclb=locality.getBinding(lb, fc);
1740 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1742 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1744 output.print(objectparams.numPointers());
1745 output.print(", & "+localsprefix);
1746 if (md.getThis()!=null) {
1748 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
1750 if (fc.getThis()!=null&&md.getThis()==null) {
1751 System.out.println("WARNING!!!!!!!!!!!!");
1752 System.out.println("Source code calls static method"+md+"on an object in "+fm.getMethod()+"!");
1756 for(int i=0;i<fc.numArgs();i++) {
1757 Descriptor var=md.getParameter(i);
1758 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1759 if (objectparams.isParamPtr(paramtemp)) {
1760 TempDescriptor targ=fc.getArg(i);
1762 TypeDescriptor td=md.getParamType(i);
1764 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1766 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1769 output.println("};");
1774 if (fc.getReturnTemp()!=null)
1775 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
1777 /* Do we need to do virtual dispatch? */
1778 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
1781 LocalityBinding fclb=locality.getBinding(lb, fc);
1782 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1784 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1789 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1790 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1792 output.print(md.getReturnType().getSafeSymbol()+" ");
1793 output.print("(*)(");
1795 boolean printcomma=false;
1796 if (GENERATEPRECISEGC) {
1798 LocalityBinding fclb=locality.getBinding(lb, fc);
1799 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1801 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1805 for(int i=0;i<objectparams.numPrimitives();i++) {
1806 TempDescriptor temp=objectparams.getPrimitive(i);
1810 if (temp.getType().isClass()||temp.getType().isArray())
1811 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
1813 output.print(temp.getType().getSafeSymbol());
1816 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()&&!fc.getMethod().getModifiers().isNative()) {
1817 LocalityBinding fclb=locality.getBinding(lb, fc);
1820 output.print("transrecord_t *");
1825 LocalityBinding fclb=locality.getBinding(lb, fc);
1826 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
1828 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
1832 boolean needcomma=false;
1833 if (GENERATEPRECISEGC) {
1834 output.print("&__parameterlist__");
1838 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()&&!fc.getMethod().getModifiers().isNative()) {
1841 output.print("trans");
1845 if (!GENERATEPRECISEGC) {
1846 if (fc.getThis()!=null) {
1847 TypeDescriptor ptd=md.getThis().getType();
1850 if (ptd.isClass()&&!ptd.isArray())
1851 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1852 output.print(generateTemp(fm,fc.getThis(),lb));
1857 for(int i=0;i<fc.numArgs();i++) {
1858 Descriptor var=md.getParameter(i);
1859 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1860 if (objectparams.isParamPrim(paramtemp)) {
1861 TempDescriptor targ=fc.getArg(i);
1865 TypeDescriptor ptd=md.getParamType(i);
1866 if (ptd.isClass()&&!ptd.isArray())
1867 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1868 output.print(generateTemp(fm, targ,lb));
1872 output.println(");");
1873 output.println(" }");
1876 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
1877 Set subclasses=typeutil.getSubClasses(thiscd);
1878 if (subclasses==null)
1880 for(Iterator classit=subclasses.iterator();classit.hasNext();) {
1881 ClassDescriptor cd=(ClassDescriptor)classit.next();
1882 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
1883 for(Iterator matchit=possiblematches.iterator();matchit.hasNext();) {
1884 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
1885 if (md.matches(matchmd))
1892 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
1894 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
1895 if (status==LocalityAnalysis.GLOBAL) {
1896 String field=ffn.getField().getSafeSymbol();
1897 String src=generateTemp(fm, ffn.getSrc(),lb);
1898 String dst=generateTemp(fm, ffn.getDst(),lb);
1900 if (ffn.getField().getType().isPtr()) {
1902 //TODO: Uncomment this when we have runtime support
1903 //if (ffn.getSrc()==ffn.getDst()) {
1904 //output.println("{");
1905 //output.println("void * temp="+src+";");
1906 //output.println("if (temp&0x1) {");
1907 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
1908 //output.println(src+"->"+field+"="+temp+";");
1909 //output.println("}");
1910 //output.println(dst+"=temp;");
1911 //output.println("}");
1913 output.println(dst+"="+ src +"->"+field+ ";");
1914 //output.println("if ("+dst+"&0x1) {");
1915 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
1916 //output.println(src+"->"+field+"="+src+"->"+field+";");
1917 //output.println("}");
1920 output.println(dst+"="+ src+"->"+field+";");
1922 } else if (status==LocalityAnalysis.LOCAL) {
1923 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1924 } else if (status==LocalityAnalysis.EITHER) {
1925 //Code is reading from a null pointer
1926 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
1927 output.println("#ifndef RAW");
1928 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
1929 output.println("#endif");
1930 //This should throw a suitable null pointer error
1931 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1933 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
1935 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1939 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
1940 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
1941 throw new Error("Can't set array length");
1942 if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
1943 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
1944 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
1945 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
1947 String src=generateTemp(fm,fsfn.getSrc(),lb);
1948 String dst=generateTemp(fm,fsfn.getDst(),lb);
1950 output.println("{");
1951 output.println("int srcoid=(int)"+src+"->"+oidstr+";");
1953 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
1956 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
1958 output.println("*((unsigned int *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
1960 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1961 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
1962 /** Check if we need to copy */
1963 output.println("if(!"+dst+"->"+localcopystr+") {");
1964 /* Link object into list */
1965 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1966 output.println(revertptr+"=trans->revertlist;");
1967 if (GENERATEPRECISEGC)
1968 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
1970 output.println("COPY_OBJ("+dst+");");
1971 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
1972 output.println("trans->revertlist=(struct ___Object___ *)"+dst+";");
1973 output.println("}");
1975 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
1977 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1978 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
1979 //writing to a null...bad
1980 output.println("if ("+dst+") {");
1981 output.println("#ifndef RAW");
1982 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
1983 output.println("#endif");
1985 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
1987 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1990 output.println("}");
1993 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
1997 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
1998 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2001 if (elementtype.isArray()||elementtype.isClass())
2004 type=elementtype.getSafeSymbol()+" ";
2006 if (fen.needsBoundsCheck()) {
2007 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2008 output.println("failedboundschk();");
2011 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2012 if (status==LocalityAnalysis.GLOBAL) {
2013 String dst=generateTemp(fm, fen.getDst(),lb);
2015 if (elementtype.isPtr()) {
2016 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2017 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
2019 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2021 } else if (status==LocalityAnalysis.LOCAL) {
2022 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2023 } else if (status==LocalityAnalysis.EITHER) {
2024 //Code is reading from a null pointer
2025 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2026 output.println("#ifndef RAW");
2027 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2028 output.println("#endif");
2029 //This should throw a suitable null pointer error
2030 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2032 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2034 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2038 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2039 //TODO: need dynamic check to make sure this assignment is actually legal
2040 //Because Object[] could actually be something more specific...ie. Integer[]
2042 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2045 if (elementtype.isArray()||elementtype.isClass())
2048 type=elementtype.getSafeSymbol()+" ";
2051 if (fsen.needsBoundsCheck()) {
2052 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2053 output.println("failedboundschk();");
2056 if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2057 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2058 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2059 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2060 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2061 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2064 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2065 } else if (dstlocal) {
2066 /** Check if we need to copy */
2067 String dst=generateTemp(fm, fsen.getDst(),lb);
2068 output.println("if(!"+dst+"->"+localcopystr+") {");
2069 /* Link object into list */
2070 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2071 output.println(revertptr+"=trans->revertlist;");
2072 if (GENERATEPRECISEGC)
2073 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2075 output.println("COPY_OBJ("+dst+");");
2076 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2077 output.println("trans->revertlist=(struct ___Object___ *)"+dst+";");
2078 output.println("}");
2079 } else throw new Error("Unknown array type");
2081 output.println("{");
2082 String src=generateTemp(fm, fsen.getSrc(), lb);
2083 output.println("int srcoid=(int)"+src+"->"+oidstr+";");
2084 output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2085 output.println("}");
2087 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2090 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2093 private void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2094 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2095 //Stash pointer in case of GC
2096 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2097 output.println(revertptr+"=trans->revertlist;");
2099 if (fn.getType().isArray()) {
2100 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2101 if (fn.isGlobal()) {
2102 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal(trans, "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2103 } else if (GENERATEPRECISEGC) {
2104 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2106 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2109 if (fn.isGlobal()) {
2110 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal(trans, "+fn.getType().getClassDesc().getId()+");");
2111 } else if (GENERATEPRECISEGC) {
2112 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2114 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2117 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2118 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2119 output.println("trans->revertlist="+revertptr+";");
2123 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2124 if (GENERATEPRECISEGC) {
2125 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2127 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2131 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2132 if (fon.getRight()!=null) {
2133 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2134 if (fon.getLeft().getType().isLong())
2135 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2137 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2140 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2141 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2142 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2143 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2144 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2145 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2146 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2147 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2148 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2149 else if (fon.getOp().getOp()==Operation.COMP)
2150 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2151 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2152 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2154 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2157 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2158 /* TODO: Do type check here */
2159 if (fcn.getType().isArray()) {
2161 } else if (fcn.getType().isClass())
2162 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2164 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2167 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2168 if (fln.getValue()==null)
2169 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2170 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2171 if (GENERATEPRECISEGC) {
2172 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2173 //Stash pointer in case of GC
2174 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2175 output.println(revertptr+"=trans->revertlist;");
2177 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2178 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2179 //Stash pointer in case of GC
2180 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2181 output.println("trans->revertlist="+revertptr+";");
2184 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2186 } else if (fln.getType().isBoolean()) {
2187 if (((Boolean)fln.getValue()).booleanValue())
2188 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2190 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2191 } else if (fln.getType().isChar()) {
2192 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2193 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2194 } else if (fln.getType().isLong()) {
2195 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2197 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2200 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2201 if (frn.getReturnTemp()!=null) {
2202 if (frn.getReturnTemp().getType().isPtr())
2203 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2205 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2207 output.println("return;");
2211 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2212 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2215 /** This method generates header information for the method or
2216 * task referenced by the Descriptor des. */
2218 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2220 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:des);
2221 MethodDescriptor md=null;
2222 TaskDescriptor task=null;
2223 if (des instanceof MethodDescriptor)
2224 md=(MethodDescriptor) des;
2226 task=(TaskDescriptor) des;
2228 ClassDescriptor cn=md!=null?md.getClassDesc():null;
2230 if (md!=null&&md.getReturnType()!=null) {
2231 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2232 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2234 output.print(md.getReturnType().getSafeSymbol()+" ");
2236 //catch the constructor case
2237 output.print("void ");
2240 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2242 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2244 output.print(task.getSafeSymbol()+"(");
2246 boolean printcomma=false;
2247 if (GENERATEPRECISEGC) {
2250 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2252 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2254 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2258 if (state.DSM&&lb.isAtomic()) {
2261 output.print("transrecord_t * trans");
2267 for(int i=0;i<objectparams.numPrimitives();i++) {
2268 TempDescriptor temp=objectparams.getPrimitive(i);
2272 if (temp.getType().isClass()||temp.getType().isArray())
2273 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2275 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2277 output.println(") {");
2278 } else if (!GENERATEPRECISEGC) {
2279 /* Imprecise Task */
2280 output.println("void * parameterarray[]) {");
2281 /* Unpack variables */
2282 for(int i=0;i<objectparams.numPrimitives();i++) {
2283 TempDescriptor temp=objectparams.getPrimitive(i);
2284 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2286 for(int i=0;i<fm.numTags();i++) {
2287 TempDescriptor temp=fm.getTag(i);
2288 int offset=i+objectparams.numPrimitives();
2289 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2292 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2293 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2294 } else output.println(") {");
2297 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2298 output.println("/* FlatFlagActionNode */");
2301 /* Process tag changes */
2302 Relation tagsettable=new Relation();
2303 Relation tagcleartable=new Relation();
2305 Iterator tagsit=ffan.getTempTagPairs();
2306 while (tagsit.hasNext()) {
2307 TempTagPair ttp=(TempTagPair) tagsit.next();
2308 TempDescriptor objtmp=ttp.getTemp();
2309 TagDescriptor tag=ttp.getTag();
2310 TempDescriptor tagtmp=ttp.getTagTemp();
2311 boolean tagstatus=ffan.getTagChange(ttp);
2313 tagsettable.put(objtmp, tagtmp);
2315 tagcleartable.put(objtmp, tagtmp);
2320 Hashtable flagandtable=new Hashtable();
2321 Hashtable flagortable=new Hashtable();
2323 /* Process flag changes */
2324 Iterator flagsit=ffan.getTempFlagPairs();
2325 while(flagsit.hasNext()) {
2326 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2327 TempDescriptor temp=tfp.getTemp();
2328 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2329 FlagDescriptor flag=tfp.getFlag();
2331 //Newly allocate objects that don't set any flags case
2332 if (flagortable.containsKey(temp)) {
2336 flagortable.put(temp,new Integer(mask));
2338 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2339 boolean flagstatus=ffan.getFlagChange(tfp);
2342 if (flagortable.containsKey(temp)) {
2343 mask=((Integer)flagortable.get(temp)).intValue();
2346 flagortable.put(temp,new Integer(mask));
2348 int mask=0xFFFFFFFF;
2349 if (flagandtable.containsKey(temp)) {
2350 mask=((Integer)flagandtable.get(temp)).intValue();
2352 mask&=(0xFFFFFFFF^flagid);
2353 flagandtable.put(temp,new Integer(mask));
2359 HashSet flagtagset=new HashSet();
2360 flagtagset.addAll(flagortable.keySet());
2361 flagtagset.addAll(flagandtable.keySet());
2362 flagtagset.addAll(tagsettable.keySet());
2363 flagtagset.addAll(tagcleartable.keySet());
2365 Iterator ftit=flagtagset.iterator();
2366 while(ftit.hasNext()) {
2367 TempDescriptor temp=(TempDescriptor)ftit.next();
2370 Set tagtmps=tagcleartable.get(temp);
2371 if (tagtmps!=null) {
2372 Iterator tagit=tagtmps.iterator();
2373 while(tagit.hasNext()) {
2374 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2375 if (GENERATEPRECISEGC)
2376 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2378 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2382 tagtmps=tagsettable.get(temp);
2383 if (tagtmps!=null) {
2384 Iterator tagit=tagtmps.iterator();
2385 while(tagit.hasNext()) {
2386 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2387 if (GENERATEPRECISEGC)
2388 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2390 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2395 int andmask=0xFFFFFFF;
2397 if (flagortable.containsKey(temp))
2398 ormask=((Integer)flagortable.get(temp)).intValue();
2399 if (flagandtable.containsKey(temp))
2400 andmask=((Integer)flagandtable.get(temp)).intValue();
2401 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2402 generateObjectDistribute(ffan, fm, lb, temp, output);
2406 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2407 PrintWriter output, int ormask, int andmask) {
2408 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2409 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2411 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2415 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2416 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
2419 void generateOptionalHeader(PrintWriter headers) {
2422 headers.println("#include \"task.h\"\n\n");
2423 headers.println("#ifndef _OPTIONAL_STRUCT_");
2424 headers.println("#define _OPTIONAL_STRUCT_");
2426 //STRUCT PREDICATEMEMBER
2427 headers.println("struct predicatemember{");
2428 headers.println("int type;");
2429 headers.println("int numdnfterms;");
2430 headers.println("int * flags;");
2431 headers.println("int numtags;");
2432 headers.println("int * tags;\n};\n\n");
2434 //STRUCT OPTIONALTASKDESCRIPTOR
2435 headers.println("struct optionaltaskdescriptor{");
2436 headers.println("struct taskdescriptor * task;");
2437 headers.println("int index;");
2438 headers.println("int numenterflags;");
2439 headers.println("int * enterflags;");
2440 headers.println("int numpredicatemembers;");
2441 headers.println("struct predicatemember ** predicatememberarray;");
2442 headers.println("};\n\n");
2444 //STRUCT TASKFAILURE
2445 headers.println("struct taskfailure {");
2446 headers.println("struct taskdescriptor * task;");
2447 headers.println("int index;");
2448 headers.println("int numoptionaltaskdescriptors;");
2449 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2451 //STRUCT FSANALYSISWRAPPER
2452 headers.println("struct fsanalysiswrapper{");
2453 headers.println("int flags;");
2454 headers.println("int numtags;");
2455 headers.println("int * tags;");
2456 headers.println("int numtaskfailures;");
2457 headers.println("struct taskfailure ** taskfailurearray;");
2458 headers.println("int numoptionaltaskdescriptors;");
2459 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2461 //STRUCT CLASSANALYSISWRAPPER
2462 headers.println("struct classanalysiswrapper{");
2463 headers.println("int type;");
2464 headers.println("int numotd;");
2465 headers.println("struct optionaltaskdescriptor ** otdarray;");
2466 headers.println("int numfsanalysiswrappers;");
2467 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2469 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2471 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2472 while(taskit.hasNext()) {
2473 TaskDescriptor td=(TaskDescriptor)taskit.next();
2474 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2479 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2480 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2481 int predicateindex = 0;
2482 //iterate through the classes concerned by the predicate
2483 Set c_vard = predicate.vardescriptors;
2484 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2487 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();){
2488 VarDescriptor vard = (VarDescriptor)vard_it.next();
2489 TypeDescriptor typed = vard.getType();
2491 //generate for flags
2492 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2493 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2495 if (fen_hashset!=null){
2496 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();){
2497 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2499 DNFFlag dflag=fen.getDNF();
2500 numberterms+=dflag.size();
2502 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2504 for(int j=0;j<dflag.size();j++) {
2506 output.println(",");
2507 Vector term=dflag.get(j);
2510 for(int k=0;k<term.size();k++) {
2511 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2512 FlagDescriptor fd=dfa.getFlag();
2513 boolean negated=dfa.getNegated();
2514 int flagid=1<<((Integer)flags.get(fd)).intValue();
2519 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2524 output.println("};\n");
2527 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2528 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2531 for(int j=0;j<tagel.numTags();j++) {
2533 output.println(",");
2534 TempDescriptor tmp=tagel.getTemp(j);
2535 if (!slotnumber.containsKey(tmp)) {
2536 Integer slotint=new Integer(current_slot++);
2537 slotnumber.put(tmp,slotint);
2539 int slot=slotnumber.get(tmp).intValue();
2540 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2542 numtags = tagel.numTags();
2544 output.println("};");
2546 //store the result into a predicatemember struct
2547 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2548 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2549 output.println("/* number of dnf terms */"+numberterms+",");
2550 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2551 output.println("/* number of tag */"+numtags+",");
2552 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2553 output.println("};\n");
2558 //generate an array that stores the entire predicate
2559 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2560 for( int j = 0; j<predicateindex; j++){
2561 if( j != predicateindex-1)output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2562 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2564 output.println("};\n");
2565 return predicateindex;
2569 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2570 generateOptionalHeader(headers);
2572 output.println("#include \"optionalstruct.h\"\n\n");
2573 output.println("#include \"stdlib.h\"\n");
2575 HashSet processedcd = new HashSet();
2577 Enumeration e = safeexecution.keys();
2578 while (e.hasMoreElements()) {
2581 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2582 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp);//will be used several times
2584 //Generate the struct of optionals
2585 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2586 numotd = c_otd.size();
2587 if(maxotd<numotd) maxotd = numotd;
2588 if( !c_otd.isEmpty() ){
2589 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();){
2590 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2592 //generate the int arrays for the predicate
2593 Predicate predicate = otd.predicate;
2594 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
2595 TreeSet<Integer> fsset=new TreeSet<Integer>();
2596 //iterate through possible FSes corresponding to
2597 //the state when entering
2599 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();){
2600 FlagState fs = (FlagState)fses.next();
2602 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2603 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2604 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2607 fsset.add(new Integer(flagid));
2608 //tag information not needed because tag
2609 //changes are not tolerated.
2612 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2613 boolean needcomma=false;
2614 for(Iterator<Integer> it=fsset.iterator();it.hasNext();) {
2617 output.println(it.next());
2620 output.println("};\n");
2623 //generate optionaltaskdescriptor that actually
2624 //includes exit fses, predicate and the task
2626 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2627 output.println("&task_"+otd.td.getSafeSymbol()+",");
2628 output.println("/*index*/"+otd.getIndex()+",");
2629 output.println("/*number of enter flags*/"+fsset.size()+",");
2630 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2631 output.println("/*number of members */"+predicateindex+",");
2632 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2633 output.println("};\n");
2637 // if there are no optionals, there is no need to build the rest of the struct
2639 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
2640 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2641 if( !c_otd.isEmpty() ){
2642 boolean needcomma=false;
2643 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();){
2644 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2646 output.println(",");
2648 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2651 output.println("};\n");
2653 //get all the possible flagstates reachable by an object
2654 Hashtable hashtbtemp = safeexecution.get(cdtemp);
2656 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
2657 fsts.addAll(hashtbtemp.keySet());
2658 for(Iterator fsit=fsts.iterator();fsit.hasNext();) {
2659 FlagState fs = (FlagState)fsit.next();
2662 //get the set of OptionalTaskDescriptors corresponding
2663 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
2664 //iterate through the OptionalTaskDescriptors and
2665 //store the pointers to the optionals struct (see on
2666 //top) into an array
2668 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
2669 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();){
2670 OptionalTaskDescriptor mm = mos.next();
2672 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
2674 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2677 output.println("};\n");
2679 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
2682 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2683 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2684 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2688 //process tag information
2691 boolean first = true;
2692 Enumeration tag_enum = fs.getTags();
2693 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2694 while(tag_enum.hasMoreElements()){
2696 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
2700 output.println(", ");
2701 output.println("/*tagid*/"+state.getTagId(tagd));
2703 output.println("};");
2705 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
2706 for(Iterator<TaskIndex> itti=tiset.iterator();itti.hasNext();) {
2707 TaskIndex ti=itti.next();
2711 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
2713 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
2714 boolean needcomma=false;
2715 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator();otdit.hasNext();) {
2716 OptionalTaskDescriptor otd=otdit.next();
2720 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2722 output.println("};");
2724 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
2725 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
2726 output.print(ti.getIndex()+", ");
2727 output.print(otdset.size()+", ");
2728 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
2729 output.println("};");
2732 tiset=sa.getTaskIndex(fs);
2733 boolean needcomma=false;
2735 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2736 for(Iterator<TaskIndex> itti=tiset.iterator();itti.hasNext();) {
2737 TaskIndex ti=itti.next();
2738 if (ti.isRuntime()) {
2745 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
2747 output.println("};\n");
2749 //Store the result in fsanalysiswrapper
2751 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
2752 output.println("/*flag*/"+flagid+",");
2753 output.println("/* number of tags*/"+tagcounter+",");
2754 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2755 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
2756 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2757 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
2758 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
2759 output.println("};\n");
2763 //Build the array of fsanalysiswrappers
2764 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
2765 boolean needcomma=false;
2766 for(int i = 0; i<fscounter; i++){
2767 if (needcomma) output.print(",");
2768 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
2771 output.println("};");
2773 //Build the classanalysiswrapper referring to the previous array
2774 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
2775 output.println("/*type*/"+cdtemp.getId()+",");
2776 output.println("/*numotd*/"+numotd+",");
2777 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
2778 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
2779 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
2780 processedcd.add(cdtemp);
2783 //build an array containing every classes for which code has been build
2784 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
2785 for(int i=0;i<state.numClasses();i++) {
2786 ClassDescriptor cn=cdarray[i];
2789 if (processedcd.contains(cn))
2790 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
2792 output.print("NULL");
2794 output.println("};");
2796 output.println("#define MAXOTD "+maxotd);
2797 headers.println("#endif");
2800 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
2801 Relation r=new Relation();
2802 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator();otdit.hasNext();) {
2803 OptionalTaskDescriptor otd=otdit.next();
2804 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
2808 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
2809 for(Iterator it=r.keySet().iterator();it.hasNext();) {
2810 Set s=r.get(it.next());
2811 for(Iterator it2=s.iterator();it2.hasNext();) {
2812 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
2820 protected void outputTransCode(PrintWriter output) {