3 import java.io.FileOutputStream;
4 import java.io.PrintWriter;
5 import java.util.HashSet;
6 import java.util.Hashtable;
7 import java.util.Iterator;
8 import java.util.LinkedList;
9 import java.util.Queue;
11 import java.util.Vector;
13 import Analysis.Locality.LocalityBinding;
14 import Analysis.Scheduling.Schedule;
15 import Analysis.TaskStateAnalysis.FEdge;
16 import Analysis.TaskStateAnalysis.FlagState;
17 import Analysis.TaskStateAnalysis.SafetyAnalysis;
18 import Analysis.OwnershipAnalysis.AllocationSite;
19 import Analysis.OwnershipAnalysis.OwnershipAnalysis;
20 import Analysis.OwnershipAnalysis.HeapRegionNode;
21 import Analysis.Prefetch.*;
22 import IR.ClassDescriptor;
24 import IR.FlagDescriptor;
25 import IR.MethodDescriptor;
27 import IR.TagVarDescriptor;
28 import IR.TaskDescriptor;
29 import IR.TypeDescriptor;
31 import IR.VarDescriptor;
32 import IR.Tree.DNFFlag;
33 import IR.Tree.DNFFlagAtom;
34 import IR.Tree.FlagExpressionNode;
35 import IR.Tree.TagExpressionList;
37 public class BuildCodeMultiCore extends BuildCode {
38 private Vector<Schedule> scheduling;
40 Schedule currentSchedule;
41 Hashtable[] fsate2qnames;
42 String objqarrayprefix= "objqueuearray4class";
43 String objqueueprefix = "objqueue4parameter_";
44 String paramqarrayprefix = "paramqueuearray4task";
45 String coreqarrayprefix = "paramqueuearrays_core";
46 String taskprefix = "task_";
47 String taskarrayprefix = "taskarray_core";
48 String otqueueprefix = "___otqueue";
49 int startupcorenum; // record the core containing startup task, suppose only one core can hava startup object
51 private OwnershipAnalysis m_oa;
52 private Vector<Vector<Integer>> m_aliasSets;
53 Hashtable<Integer, Vector<FlatNew>> m_aliasFNTbl4Para;
54 Hashtable<FlatNew, Vector<FlatNew>> m_aliasFNTbl;
55 Hashtable<FlatNew, Vector<Integer>> m_aliaslocksTbl4FN;
57 public BuildCodeMultiCore(State st,
61 Vector<Schedule> scheduling,
63 PrefetchAnalysis pa) {
64 super(st, temptovar, typeutil, sa, pa);
65 this.scheduling = scheduling;
66 this.coreNum = coreNum;
67 this.currentSchedule = null;
68 this.fsate2qnames = null;
69 this.startupcorenum = 0;
71 // sometimes there are extra cores then needed in scheduling
73 // currently, it is guaranteed that in scheduling, the corenum
74 // is started from 0 and continuous.
75 // MAY need modification here in the future when take hardware
76 // information into account.
77 if(this.scheduling.size() < this.coreNum) {
78 this.coreNum = this.scheduling.size();
82 this.m_aliasSets = null;
83 this.m_aliasFNTbl4Para = null;
84 this.m_aliasFNTbl = null;
85 this.m_aliaslocksTbl4FN = null;
88 public void setOwnershipAnalysis(OwnershipAnalysis m_oa) {
92 public void buildCode() {
93 /* Create output streams to write to */
94 PrintWriter outclassdefs=null;
95 PrintWriter outstructs=null;
96 PrintWriter outmethodheader=null;
97 PrintWriter outmethod=null;
98 PrintWriter outvirtual=null;
99 PrintWriter outtask=null;
100 PrintWriter outtaskdefs=null;
101 //PrintWriter outoptionalarrays=null;
102 //PrintWriter optionalheaders=null;
105 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
106 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
107 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
108 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
109 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
111 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
112 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
115 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
116 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
119 /*if (state.structfile!=null) {
120 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
122 } catch (Exception e) {
127 /* Build the virtual dispatch tables */
128 super.buildVirtualTables(outvirtual);
130 /* Output includes */
131 outmethodheader.println("#ifndef METHODHEADERS_H");
132 outmethodheader.println("#define METHODHEADERS_H");
133 outmethodheader.println("#include \"structdefs.h\"");
135 outmethodheader.println("#include \"dstm.h\"");*/
137 /* Output Structures */
138 super.outputStructs(outstructs);
140 // Output the C class declarations
141 // These could mutually reference each other
142 super.outputClassDeclarations(outclassdefs);
144 // Output function prototypes and structures for parameters
145 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
147 while(it.hasNext()) {
149 ClassDescriptor cn=(ClassDescriptor)it.next();
150 super.generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
152 outclassdefs.close();
155 /* Map flags to integers */
156 /* The runtime keeps track of flags using these integers */
157 it=state.getClassSymbolTable().getDescriptorsIterator();
158 while(it.hasNext()) {
159 ClassDescriptor cn=(ClassDescriptor)it.next();
163 generateTaskStructs(outstructs, outmethodheader);
165 /* Outputs generic task structures if this is a task
167 outputTaskTypes(outtask);
170 /* Build the actual methods */
171 super.outputMethods(outmethod);
174 Iterator[] taskits = new Iterator[this.coreNum];
175 for(int i = 0; i < taskits.length; ++i) {
178 int[] numtasks = new int[this.coreNum];
179 int[][] numqueues = new int[this.coreNum][numclasses];
180 /* Output code for tasks */
181 for(int i = 0; i < this.scheduling.size(); ++i) {
182 this.currentSchedule = this.scheduling.elementAt(i);
183 outputTaskCode(outtaskdefs, outmethod, outtask, taskits, numtasks, numqueues);
186 // Output task descriptors
187 boolean comma = false;
188 outtaskdefs.println("struct parameterwrapper ** objectqueues[][NUMCLASSES] = {");
189 boolean needcomma = false;
190 for(int i = 0; i < numqueues.length ; ++i) {
192 outtaskdefs.println(",");
196 outtaskdefs.println("/* object queue array for core " + i + "*/");
197 outtaskdefs.print("{");
199 for(int j = 0; j < numclasses; ++j) {
201 outtaskdefs.println(",");
205 outtaskdefs.print(this.objqarrayprefix + j + "_core" + i);
207 outtaskdefs.print("}");
209 outtaskdefs.println("};");
211 outtaskdefs.println("int numqueues[][NUMCLASSES] = {");
212 for(int i = 0; i < numqueues.length; ++i) {
214 outtaskdefs.println(",");
218 int[] tmparray = numqueues[i];
220 outtaskdefs.print("{");
221 for(int j = 0; j < tmparray.length; ++j) {
223 outtaskdefs.print(",");
227 outtaskdefs.print(tmparray[j]);
229 outtaskdefs.print("}");
231 outtaskdefs.println("};");
233 /* parameter queue arrays for all the tasks*/
234 outtaskdefs.println("struct parameterwrapper *** paramqueues[] = {");
236 for(int i = 0; i < this.coreNum ; ++i) {
238 outtaskdefs.println(",");
242 outtaskdefs.println("/* parameter queue array for core " + i + "*/");
243 outtaskdefs.print(this.coreqarrayprefix + i);
245 outtaskdefs.println("};");
247 for(int i = 0; i < taskits.length; ++i) {
248 outtaskdefs.println("struct taskdescriptor * " + this.taskarrayprefix + i + "[]={");
249 Iterator taskit = taskits[i];
252 while(taskit.hasNext()) {
253 TaskDescriptor td=(TaskDescriptor)taskit.next();
257 outtaskdefs.println(",");
258 outtaskdefs.print("&" + this.taskprefix +td.getCoreSafeSymbol(i));
261 outtaskdefs.println();
262 outtaskdefs.println("};");
264 outtaskdefs.println("struct taskdescriptor ** taskarray[]= {");
266 for(int i = 0; i < taskits.length; ++i) {
268 outtaskdefs.println(",");
271 outtaskdefs.print(this.taskarrayprefix + i);
273 outtaskdefs.println("};");
275 outtaskdefs.print("int numtasks[]= {");
277 for(int i = 0; i < taskits.length; ++i) {
279 outtaskdefs.print(",");
282 outtaskdefs.print(numtasks[i]);
284 outtaskdefs.println("};");
285 outtaskdefs.println("int corenum=0;");
288 outtask.println("#endif");
290 /* Record maximum number of task parameters */
291 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
292 /* Record maximum number of all types, i.e. length of classsize[] */
293 outstructs.println("#define NUMTYPES "+(state.numClasses() + state.numArrays()));
294 /* Record number of cores */
295 outstructs.println("#define NUMCORES "+this.coreNum);
296 /* Record number of core containing startup task */
297 outstructs.println("#define STARTUPCORE "+this.startupcorenum);
298 } //else if (state.main!=null) {
299 /* Generate main method */
300 // outputMainMethod(outmethod);
303 /* Generate information for task with optional parameters */
304 /*if (state.TASK&&state.OPTIONAL){
305 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
306 outoptionalarrays.close();
309 /* Output structure definitions for repair tool */
310 /*if (state.structfile!=null) {
311 buildRepairStructs(outrepairstructs);
312 outrepairstructs.close();
316 outmethodheader.println("#endif");
317 outmethodheader.close();
319 outstructs.println("#endif");
323 /** This function outputs (1) structures that parameters are
324 * passed in (when PRECISE GC is enabled) and (2) function
325 * prototypes for the tasks */
327 private void generateTaskStructs(PrintWriter output,
328 PrintWriter headersout) {
329 /* Cycle through tasks */
330 for(int i = 0; i < this.scheduling.size(); ++i) {
331 Schedule tmpschedule = this.scheduling.elementAt(i);
332 int num = tmpschedule.getCoreNum();
333 Iterator<TaskDescriptor> taskit = tmpschedule.getTasks().iterator();
335 while(taskit.hasNext()) {
336 /* Classify parameters */
337 TaskDescriptor task=taskit.next();
338 FlatMethod fm=state.getMethodFlat(task);
339 super.generateTempStructs(fm, null);
341 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
342 TempObject objecttemps=(TempObject) tempstable.get(task);
344 /* Output parameter structure */
345 if (GENERATEPRECISEGC) {
346 output.println("struct "+task.getCoreSafeSymbol(num)+"_params {");
347 output.println(" int size;");
348 output.println(" void * next;");
349 for(int j=0; j<objectparams.numPointers(); j++) {
350 TempDescriptor temp=objectparams.getPointer(j);
351 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
354 output.println("};\n");
355 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
356 maxtaskparams=objectparams.numPointers()+fm.numTags();
360 /* Output temp structure */
361 if (GENERATEPRECISEGC) {
362 output.println("struct "+task.getCoreSafeSymbol(num)+"_locals {");
363 output.println(" int size;");
364 output.println(" void * next;");
365 for(int j=0; j<objecttemps.numPointers(); j++) {
366 TempDescriptor temp=objecttemps.getPointer(j);
367 if (temp.getType().isNull())
368 output.println(" void * "+temp.getSafeSymbol()+";");
369 else if(temp.getType().isTag())
370 output.println(" struct "+
371 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
373 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
375 output.println("};\n");
378 /* Output task declaration */
379 headersout.print("void " + task.getCoreSafeSymbol(num)+"(");
381 if (GENERATEPRECISEGC) {
382 headersout.print("struct "+task.getCoreSafeSymbol(num)+"_params * "+paramsprefix);
384 headersout.print("void * parameterarray[]");
385 headersout.println(");\n");
391 /* This method outputs code for each task. */
393 private void outputTaskCode(PrintWriter outtaskdefs,
394 PrintWriter outmethod,
399 /* Compile task based program */
400 outtaskdefs.println("#include \"task.h\"");
401 outtaskdefs.println("#include \"methodheaders.h\"");
403 /* Output object transfer queues into method.c*/
404 generateObjectTransQueues(outmethod);
406 //Vector[] qnames = new Vector[2];
407 int numclasses = numqueues[0].length;
408 Vector qnames[]= new Vector[numclasses];
409 for(int i = 0; i < qnames.length; ++i) {
412 Iterator<TaskDescriptor> taskit=this.currentSchedule.getTasks().iterator();
413 while(taskit.hasNext()) {
414 TaskDescriptor td=taskit.next();
415 FlatMethod fm=state.getMethodFlat(td);
416 generateTaskMethod(fm, null, outmethod);
417 generateTaskDescriptor(outtaskdefs, outtask, fm, td, qnames);
420 // generate queuearray for this core
421 int num = this.currentSchedule.getCoreNum();
422 boolean comma = false;
423 for(int i = 0; i < qnames.length; ++i) {
424 outtaskdefs.println("/* object queue array for class " + i + " on core " + num + "*/");
425 outtaskdefs.println("struct parameterwrapper * " + this.objqarrayprefix + i + "_core" + num + "[] = {");
427 Vector tmpvector = qnames[i];
428 if(tmpvector != null) {
429 for(int j = 0; j < tmpvector.size(); ++j) {
431 outtaskdefs.println(",");
435 outtaskdefs.print("&" + tmpvector.elementAt(j));
437 numqueues[num][i] = tmpvector.size();
439 numqueues[num][i] = 0;
441 outtaskdefs.println("};");
444 /* All the queues for tasks residing on this core*/
446 outtaskdefs.println("/* object queue array for tasks on core " + num + "*/");
447 outtaskdefs.println("struct parameterwrapper ** " + this.coreqarrayprefix + num + "[] = {");
448 taskit=this.currentSchedule.getTasks().iterator();
449 while(taskit.hasNext()) {
451 outtaskdefs.println(",");
455 TaskDescriptor td=taskit.next();
456 outtaskdefs.print(this.paramqarrayprefix + td.getCoreSafeSymbol(num));
458 outtaskdefs.println("};");
460 // record the iterator of tasks on this core
461 taskit=this.currentSchedule.getTasks().iterator();
462 taskits[num] = taskit;
463 numtasks[num] = this.currentSchedule.getTasks().size();
466 /** Prints out definitions for generic task structures */
467 private void outputTaskTypes(PrintWriter outtask) {
468 outtask.println("#ifndef _TASK_H");
469 outtask.println("#define _TASK_H");
470 outtask.println("#include \"ObjectHash.h\"");
471 outtask.println("#include \"structdefs.h\"");
472 outtask.println("#include \"Queue.h\"");
473 outtask.println("#include <string.h>");
474 outtask.println("#include \"runtime_arch.h\"");
475 //outtask.println("#ifdef RAW");
476 //outtask.println("#include <raw.h>");
477 //outtask.println("#endif");
479 outtask.println("struct tagobjectiterator {");
480 outtask.println(" int istag; /* 0 if object iterator, 1 if tag iterator */");
481 outtask.println(" struct ObjectIterator it; /* Object iterator */");
482 outtask.println(" struct ObjectHash * objectset;");
483 outtask.println("#ifdef OPTIONAL");
484 outtask.println(" int failedstate;");
485 outtask.println("#endif");
486 outtask.println(" int slot;");
487 outtask.println(" int tagobjindex; /* Index for tag or object depending on use */");
488 outtask.println(" /*if tag we have an object binding */");
489 outtask.println(" int tagid;");
490 outtask.println(" int tagobjectslot;");
491 outtask.println(" /*if object, we may have one or more tag bindings */");
492 outtask.println(" int numtags;");
493 outtask.println(" int tagbindings[MAXTASKPARAMS-1]; /* list slots */");
494 outtask.println("};");
496 outtask.println("struct parameterwrapper {");
497 outtask.println(" //int type;");
498 outtask.println(" struct ObjectHash * objectset;");
499 outtask.println(" int numberofterms;");
500 outtask.println(" int * intarray;");
501 outtask.println(" int numbertags;");
502 outtask.println(" int * tagarray;");
503 outtask.println(" struct taskdescriptor * task;");
504 outtask.println(" int slot;");
505 outtask.println(" struct tagobjectiterator iterators[MAXTASKPARAMS-1];");
506 outtask.println("};");
508 outtask.println("extern struct parameterwrapper ** objectqueues[][NUMCLASSES];");
509 outtask.println("extern int numqueues[][NUMCLASSES];");
511 outtask.println("struct parameterdescriptor {");
512 outtask.println(" int type;");
513 outtask.println(" int numberterms;");
514 outtask.println(" int *intarray;");
515 outtask.println(" struct parameterwrapper * queue;");
516 outtask.println(" int numbertags;");
517 outtask.println(" int *tagarray;");
518 outtask.println("};");
520 outtask.println("struct taskdescriptor {");
521 outtask.println(" void * taskptr;");
522 outtask.println(" int numParameters;");
523 outtask.println(" int numTotal;");
524 outtask.println(" struct parameterdescriptor **descriptorarray;");
525 outtask.println(" char * name;");
526 outtask.println("};");
528 outtask.println("extern struct taskdescriptor ** taskarray[];");
529 outtask.println("extern int numtasks[];");
530 outtask.println("extern int corenum;"); // define corenum to identify different core
531 outtask.println("extern struct parameterwrapper *** paramqueues[];");
535 private void generateObjectTransQueues(PrintWriter output) {
536 if(this.fsate2qnames == null) {
537 this.fsate2qnames = new Hashtable[this.coreNum];
538 for(int i = 0; i < this.fsate2qnames.length; ++i) {
539 this.fsate2qnames[i] = null;
542 int num = this.currentSchedule.getCoreNum();
543 assert(this.fsate2qnames[num] == null);
544 Hashtable<FlagState, String> flag2qname = new Hashtable<FlagState, String>();
545 this.fsate2qnames[num] = flag2qname;
546 Hashtable<FlagState, Queue<Integer>> targetCoreTbl = this.currentSchedule.getTargetCoreTable();
547 if(targetCoreTbl != null) {
548 Object[] keys = targetCoreTbl.keySet().toArray();
550 output.println("/* Object transfer queues for core" + num + ".*/");
551 for(int i = 0; i < keys.length; ++i) {
552 FlagState tmpfstate = (FlagState)keys[i];
553 Object[] targetcores = targetCoreTbl.get(tmpfstate).toArray();
554 String queuename = this.otqueueprefix + tmpfstate.getClassDescriptor().getCoreSafeSymbol(num) + tmpfstate.getuid() + "___";
555 String queueins = queuename + "ins";
556 flag2qname.put(tmpfstate, queuename);
557 output.println("struct " + queuename + " {");
558 output.println(" int * cores;");
559 output.println(" int index;");
560 output.println(" int length;");
561 output.println("};");
562 output.print("int " + queuename + "cores[] = {");
563 for(int j = 0; j < targetcores.length; ++j) {
567 output.print(((Integer)targetcores[j]).intValue());
569 output.println("};");
570 output.println("struct " + queuename + " " + queueins + "= {");
571 output.println(/*".cores = " + */ queuename + "cores,");
572 output.println(/*".index = " + */ "0,");
573 output.println(/*".length = " +*/ targetcores.length + "};");
579 private void generateTaskMethod(FlatMethod fm,
581 PrintWriter output) {
582 /*if (State.PRINTFLAT)
583 System.out.println(fm.printMethod());*/
584 TaskDescriptor task=fm.getTask();
585 assert(task != null);
586 int num = this.currentSchedule.getCoreNum();
588 //ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:task);
589 generateTaskHeader(fm, lb, task,output);
590 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : task);
591 /*if (state.DSM&&lb.getHasAtomic()) {
592 output.println("transrecord_t * trans;");
595 if (GENERATEPRECISEGC) {
596 output.print(" struct "+task.getCoreSafeSymbol(num)+"_locals "+localsprefix+"={");
598 output.print(objecttemp.numPointers()+",");
599 output.print(paramsprefix);
600 for(int j=0; j<objecttemp.numPointers(); j++)
601 output.print(", NULL");
602 output.println("};");
605 for(int i=0; i<objecttemp.numPrimitives(); i++) {
606 TempDescriptor td=objecttemp.getPrimitive(i);
607 TypeDescriptor type=td.getType();
609 output.println(" void * "+td.getSafeSymbol()+";");
610 else if (type.isClass()||type.isArray())
611 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
613 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
616 for(int i = 0; i < fm.numParameters(); ++i) {
617 TempDescriptor temp = fm.getParameter(i);
618 output.println(" int "+generateTempFlagName(fm, temp, lb)+" = "+super.generateTemp(fm, temp, lb)+
622 /* Assign labels to FlatNode's if necessary.*/
624 Hashtable<FlatNode, Integer> nodetolabel=super.assignLabels(fm);
626 /* Check to see if we need to do a GC if this is a
627 * multi-threaded program...*/
629 /*if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
630 if (state.DSM&&lb.isAtomic())
631 output.println("checkcollect2(&"+localsprefix+",trans);");
633 output.println("checkcollect(&"+localsprefix+");");
636 /* Create queues to store objects need to be transferred to other cores and their destination*/
637 output.println(" struct Queue * totransobjqueue = createQueue();");
638 output.println(" struct transObjInfo * tmpObjInfo = NULL;");
640 this.m_aliasSets = null;
641 this.m_aliasFNTbl4Para = null;
642 this.m_aliasFNTbl = null;
643 this.m_aliaslocksTbl4FN = null;
644 outputAliasLockCode(fm, lb, output);
646 /* generate print information for RAW version */
647 output.println("#ifdef MULTICORE");
649 output.println("int tmpsum = 0;");
650 output.println("char * taskname = \"" + task.getSymbol() + "\";");
651 output.println("int tmplen = " + task.getSymbol().length() + ";");
652 output.println("int tmpindex = 1;");
653 output.println("for(;tmpindex < tmplen; tmpindex++) {");
654 output.println(" tmpsum = tmpsum * 10 + *(taskname + tmpindex) - '0';");
656 output.println("#ifdef RAWPATH");
657 output.println("BAMBOO_DEBUGPRINT(0xAAAA);");
658 output.println("BAMBOO_DEBUGPRINT_REG(tmpsum);");
659 output.println("BAMBOO_DEBUGPRINT(BAMBOO_GET_EXE_TIME());");
660 output.println("#endif");
661 output.println("#ifdef DEBUG");
662 output.println("BAMBOO_DEBUGPRINT(0xAAAA);");
663 output.println("BAMBOO_DEBUGPRINT_REG(tmpsum);");
664 output.println("#endif");
666 output.println("#endif");
668 for(int i = 0; i < fm.numParameters(); ++i) {
669 TempDescriptor temp = fm.getParameter(i);
670 output.println(" ++" + super.generateTemp(fm, temp, lb)+"->version;");
673 /* Do the actual code generation */
674 FlatNode current_node=null;
675 HashSet tovisit=new HashSet();
676 HashSet visited=new HashSet();
677 tovisit.add(fm.getNext(0));
678 while(current_node!=null||!tovisit.isEmpty()) {
679 if (current_node==null) {
680 current_node=(FlatNode)tovisit.iterator().next();
681 tovisit.remove(current_node);
683 visited.add(current_node);
684 if (nodetolabel.containsKey(current_node))
685 output.println("L"+nodetolabel.get(current_node)+":");
686 /*if (state.INSTRUCTIONFAILURE) {
687 if (state.THREAD||state.DSM) {
688 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
691 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
693 if (current_node.numNext()==0) {
695 super.generateFlatNode(fm, lb, current_node, output);
696 if (current_node.kind()!=FKind.FlatReturnNode) {
697 //output.println(" flushAll();");
698 output.println("#ifdef CACHEFLUSH");
699 output.println("BAMBOO_START_CRITICAL_SECTION();");
700 output.println("#ifdef DEBUG");
701 output.println("BAMBOO_DEBUGPRINT(0xec00);");
702 output.println("#endif");
703 output.println("BAMBOO_CACHE_FLUSH_ALL();");
704 output.println("#ifdef DEBUG");
705 output.println("BAMBOO_DEBUGPRINT(0xecff);");
706 output.println("#endif");
707 output.println("BAMBOO_CLOSE_CRITICAL_SECTION();");
708 output.println("#endif");
709 outputTransCode(output);
710 output.println(" return;");
713 } else if(current_node.numNext()==1) {
715 super.generateFlatNode(fm, lb, current_node, output);
716 FlatNode nextnode=current_node.getNext(0);
717 if (visited.contains(nextnode)) {
718 output.println("goto L"+nodetolabel.get(nextnode)+";");
721 current_node=nextnode;
722 } else if (current_node.numNext()==2) {
725 super.generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
726 if (!visited.contains(current_node.getNext(1)))
727 tovisit.add(current_node.getNext(1));
728 if (visited.contains(current_node.getNext(0))) {
729 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
732 current_node=current_node.getNext(0);
733 } else throw new Error();
736 output.println("}\n\n");
739 /** This method outputs TaskDescriptor information */
740 private void generateTaskDescriptor(PrintWriter output,
745 int num = this.currentSchedule.getCoreNum();
747 output.println("/* TaskDescriptor information for task " + task.getSymbol() + " on core " + num + "*/");
749 for (int i=0; i<task.numParameters(); i++) {
750 VarDescriptor param_var=task.getParameter(i);
751 TypeDescriptor param_type=task.getParamType(i);
752 FlagExpressionNode param_flag=task.getFlag(param_var);
753 TagExpressionList param_tag=task.getTag(param_var);
756 if (param_flag==null) {
757 output.println("int parameterdnf_"+i+"_"+task.getCoreSafeSymbol(num)+"[]={");
758 output.println("0x0, 0x0 };");
761 DNFFlag dflag=param_flag.getDNF();
762 dnfterms=dflag.size();
764 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
765 output.println("int parameterdnf_"+i+"_"+task.getCoreSafeSymbol(num)+"[]={");
766 for(int j=0; j<dflag.size(); j++) {
769 Vector term=dflag.get(j);
772 for(int k=0; k<term.size(); k++) {
773 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
774 FlagDescriptor fd=dfa.getFlag();
775 boolean negated=dfa.getNegated();
776 int flagid=1<<((Integer)flags.get(fd)).intValue();
781 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
783 output.println("};");
786 output.println("int parametertag_"+i+"_"+task.getCoreSafeSymbol(num)+"[]={");
787 //BUG...added next line to fix, test with any task program
789 for(int j=0; j<param_tag.numTags(); j++) {
792 /* for each tag we need */
793 /* which slot it is */
794 /* what type it is */
795 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
796 TempDescriptor tmp=param_tag.getTemp(j);
797 int slot=fm.getTagInt(tmp);
798 output.println(slot+", "+state.getTagId(tvd.getTag()));
800 output.println("};");
802 // generate object queue for this parameter
803 String qname = this.objqueueprefix+i+"_"+task.getCoreSafeSymbol(num);
804 if(param_type.getClassDesc().getSymbol().equals("StartupObject")) {
805 this.startupcorenum = num;
807 if(qnames[param_type.getClassDesc().getId()] == null) {
808 qnames[param_type.getClassDesc().getId()] = new Vector();
810 qnames[param_type.getClassDesc().getId()].addElement(qname);
811 outtask.println("extern struct parameterwrapper " + qname + ";");
812 output.println("struct parameterwrapper " + qname + "={");
813 output.println(".objectset = 0,"); // objectset
814 output.println("/* number of DNF terms */ .numberofterms = "+dnfterms+","); // numberofterms
815 output.println(".intarray = parameterdnf_"+i+"_"+task.getCoreSafeSymbol(num)+","); // intarray
818 output.println("/* number of tags */ .numbertags = "+param_tag.numTags()+",");
820 output.println("/* number of tags */ .numbertags = 0,");
821 output.println(".tagarray = parametertag_"+i+"_"+task.getCoreSafeSymbol(num)+","); // tagarray
822 output.println(".task = 0,"); // task
823 output.println(".slot = " + i + ","); // slot
825 output.println("};");
827 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getCoreSafeSymbol(num)+"={");
828 output.println("/* type */"+param_type.getClassDesc().getId()+",");
829 output.println("/* number of DNF terms */"+dnfterms+",");
830 output.println("parameterdnf_"+i+"_"+task.getCoreSafeSymbol(num)+","); // intarray
831 output.println("&" + qname + ","); // queue
832 //BUG, added next line to fix and else statement...test
833 //with any task program
835 output.println("/* number of tags */"+param_tag.numTags()+",");
837 output.println("/* number of tags */ 0,");
838 output.println("parametertag_"+i+"_"+task.getCoreSafeSymbol(num)); // tagarray
839 output.println("};");
842 /* parameter queues for this task*/
843 output.println("struct parameterwrapper * " + this.paramqarrayprefix + task.getCoreSafeSymbol(num)+"[] = {");
844 for (int i=0; i<task.numParameters(); i++) {
847 output.print("&" + this.objqueueprefix + i + "_" + task.getCoreSafeSymbol(num));
849 output.println("};");
851 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getCoreSafeSymbol(num)+"[] = {");
852 for (int i=0; i<task.numParameters(); i++) {
855 output.print("¶meter_"+i+"_"+task.getCoreSafeSymbol(num));
857 output.println("};");
859 output.println("struct taskdescriptor " + this.taskprefix + task.getCoreSafeSymbol(num) + "={");
860 output.println("&"+task.getCoreSafeSymbol(num)+",");
861 output.println("/* number of parameters */" +task.numParameters() + ",");
862 int numtotal=task.numParameters()+fm.numTags();
863 output.println("/* number total parameters */" +numtotal + ",");
864 output.println("parameterdescriptors_"+task.getCoreSafeSymbol(num)+",");
865 output.println("\""+task.getSymbol()+"\"");
866 output.println("};");
871 /** This method generates header information for the task
872 * referenced by the Descriptor des. */
874 private void generateTaskHeader(FlatMethod fm,
877 PrintWriter output) {
879 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
880 TaskDescriptor task=(TaskDescriptor) des;
882 int num = this.currentSchedule.getCoreNum();
883 //catch the constructor case
884 output.print("void ");
885 output.print(task.getCoreSafeSymbol(num)+"(");
887 boolean printcomma=false;
888 if (GENERATEPRECISEGC) {
889 output.print("struct "+task.getCoreSafeSymbol(num)+"_params * "+paramsprefix);
893 /*if (state.DSM&&lb.isAtomic()) {
896 output.print("transrecord_t * trans");
900 if (!GENERATEPRECISEGC) {
902 output.println("void * parameterarray[]) {");
903 /* Unpack variables */
904 for(int i=0; i<objectparams.numPrimitives(); i++) {
905 TempDescriptor temp=objectparams.getPrimitive(i);
906 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
908 for(int i=0; i<fm.numTags(); i++) {
909 TempDescriptor temp=fm.getTag(i);
910 int offset=i+objectparams.numPrimitives();
911 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+i+"___=parameterarray["+offset+"];"); // add i to fix bugs of duplicate definition of tags
914 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
915 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
916 } else output.println(") {");
919 protected void generateFlagOrAnd(FlatFlagActionNode ffan,
926 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
927 output.println("flagorandinit("+super.generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
929 int num = this.currentSchedule.getCoreNum();
930 ClassDescriptor cd = temp.getType().getClassDesc();
931 Vector<FlagState> initfstates = ffan.getInitFStates(cd);
932 for(int i = 0; i < initfstates.size(); ++i) {
933 FlagState tmpFState = initfstates.elementAt(i);
935 QueueInfo qinfo = outputqueues(tmpFState, num, output, false);
936 output.println("flagorand("+super.generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+
937 ", 0x"+Integer.toHexString(andmask)+", " + qinfo.qname +
938 ", " + qinfo.length + ");");
941 if(ffan.getTaskType()==FlatFlagActionNode.TASKEXIT) {
942 // generate codes for profiling, recording which task exit it is
943 output.println("#ifdef PROFILE");
944 output.println("setTaskExitIndex(" + ffan.getTaskExitIndex() + ");");
945 output.println("#endif");
950 protected void generateObjectDistribute(FlatFlagActionNode ffan,
954 PrintWriter output) {
955 ClassDescriptor cd = temp.getType().getClassDesc();
956 Vector<FlagState> initfstates = null;
957 Vector[] targetFStates = null;
958 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
959 targetFStates = new Vector[1];
960 targetFStates[0] = ffan.getTargetFStates4NewObj(cd);
962 initfstates = ffan.getInitFStates(cd);
963 targetFStates = new Vector[initfstates.size()];
964 for(int i = 0; i < initfstates.size(); ++i) {
965 FlagState fs = initfstates.elementAt(i);
966 targetFStates[i] = ffan.getTargetFStates(fs);
968 if(!fs.isSetmask()) {
969 Hashtable flags=(Hashtable)flagorder.get(cd);
972 Iterator it_flags = fs.getFlags();
973 while(it_flags.hasNext()) {
974 FlagDescriptor fd = (FlagDescriptor)it_flags.next();
975 int flagid=1<<((Integer)flags.get(fd)).intValue();
979 fs.setAndmask(andmask);
980 fs.setCheckmask(checkmask);
985 boolean isolate = true; // check if this flagstate can associate to some task with multiple params which can
986 // reside on multiple cores
987 if((this.currentSchedule == null) && (fm.getMethod().getClassDesc().getSymbol().equals("ServerSocket"))) {
988 // ServerSocket object will always reside on current core
989 for(int j = 0; j < targetFStates.length; ++j) {
990 if(initfstates != null) {
991 FlagState fs = initfstates.elementAt(j);
992 output.println("if(" + generateTempFlagName(fm, temp, lb) + "&(0x" + Integer.toHexString(fs.getAndmask())
993 + ")==(0x" + Integer.toHexString(fs.getCheckmask()) + ")) {");
995 Vector<FlagState> tmpfstates = (Vector<FlagState>)targetFStates[j];
996 for(int i = 0; i < tmpfstates.size(); ++i) {
997 FlagState tmpFState = tmpfstates.elementAt(i);
999 // may have bugs here
1000 output.println("/* reside on this core*");
1001 output.println("enqueueObject("+super.generateTemp(fm, temp, lb)+", NULL, 0);");
1003 if(initfstates != null) {
1004 output.println("}");
1010 int num = this.currentSchedule.getCoreNum();
1011 Hashtable<FlagState, Queue<Integer>> targetCoreTbl = this.currentSchedule.getTargetCoreTable();
1012 for(int j = 0; j < targetFStates.length; ++j) {
1013 FlagState fs = null;
1014 if(initfstates != null) {
1015 fs = initfstates.elementAt(j);
1016 output.println("if((" + generateTempFlagName(fm, temp, lb) + "&(0x" + Integer.toHexString(fs.getAndmask())
1017 + "))==(0x" + Integer.toHexString(fs.getCheckmask()) + ")) {");
1019 Vector<FlagState> tmpfstates = (Vector<FlagState>)targetFStates[j];
1020 for(int i = 0; i < tmpfstates.size(); ++i) {
1021 FlagState tmpFState = tmpfstates.elementAt(i);
1023 if(this.currentSchedule.getAllyCoreTable() == null) {
1026 isolate = (this.currentSchedule.getAllyCoreTable().get(tmpFState) == null) ||
1027 (this.currentSchedule.getAllyCoreTable().get(tmpFState).size() == 0);
1030 // indentify this object as a shared object
1031 // isolate flag is initially set as 1, once this flag is set as 0, it is never reset to 1, i.e. once an object
1032 // is shared, it maybe shared all the time afterwards
1033 output.println("if(" + super.generateTemp(fm, temp, lb) + "->isolate == 1) {");
1034 output.println(" " + super.generateTemp(fm, temp, lb) + "->isolate = 0;");
1035 output.println(" " + super.generateTemp(fm, temp, lb) + "->original = (struct ___Object___ *)" + super.generateTemp(fm, temp, lb) + ";");
1036 output.println("}");
1039 Vector<TranObjInfo> sendto = new Vector<TranObjInfo>();
1040 Queue<Integer> queue = null;
1041 if(targetCoreTbl != null) {
1042 queue = targetCoreTbl.get(tmpFState);
1044 if((queue != null) &&
1045 ((queue.size() != 1) ||
1046 ((queue.size() == 1) && (queue.element().intValue() != num)))) {
1047 // this object may be transferred to other cores
1048 String queuename = (String) this.fsate2qnames[num].get(tmpFState);
1049 String queueins = queuename + "ins";
1051 Object[] cores = queue.toArray();
1053 Integer targetcore = (Integer)cores[0];
1054 if(queue.size() > 1) {
1055 index = queueins + ".index";
1057 if(queue.size() > 1) {
1058 output.println("switch(" + queueins + ".index % " + queueins + ".length) {");
1059 for(int k = 0; k < cores.length; ++k) {
1060 output.println("case " + k + ":");
1061 targetcore = (Integer)cores[k];
1062 if(targetcore.intValue() == num) {
1063 output.println("/* reside on this core*/");
1065 output.println("{");
1066 QueueInfo qinfo = outputqueues(tmpFState, num, output, true);
1067 output.println("enqueueObject("+super.generateTemp(fm, temp, lb)+", " + qinfo.qname +
1068 ", " + qinfo.length + ");");
1069 output.println("}");
1073 output.println("/* possibly needed by multi-parameter tasks on this core*/");
1074 output.println("enqueueObject("+super.generateTemp(fm, temp, lb)+", NULL, 0);");
1079 // Is it possible to decide the actual queues?
1080 output.println("/* possibly needed by multi-parameter tasks on this core*/");
1081 output.println("enqueueObject("+super.generateTemp(fm, temp, lb)+", NULL, 0);");
1083 output.println("/* transfer to core " + targetcore.toString() + "*/");
1084 output.println("{");
1085 // enqueue this object and its destinations for later process
1086 // all the possible queues
1087 QueueInfo qinfo = null;
1088 TranObjInfo tmpinfo = new TranObjInfo();
1089 tmpinfo.name = super.generateTemp(fm, temp, lb);
1090 tmpinfo.targetcore = targetcore;
1091 FlagState targetFS = this.currentSchedule.getTargetFState(tmpFState);
1092 if(targetFS != null) {
1093 tmpinfo.fs = targetFS;
1095 tmpinfo.fs = tmpFState;
1097 if(!contains(sendto, tmpinfo)) {
1098 qinfo = outputtransqueues(tmpinfo.fs, targetcore, output);
1099 output.println("tmpObjInfo = RUNMALLOC(sizeof(struct transObjInfo));");
1100 output.println("tmpObjInfo->objptr = (void *)" + tmpinfo.name + ";");
1101 output.println("tmpObjInfo->targetcore = "+targetcore.toString()+";");
1102 output.println("tmpObjInfo->queues = " + qinfo.qname + ";");
1103 output.println("tmpObjInfo->length = " + qinfo.length + ";");
1104 output.println("addNewItem(totransobjqueue, (void*)tmpObjInfo);");
1105 sendto.add(tmpinfo);
1107 output.println("}");
1109 output.println("break;");
1111 output.println("}");
1115 // Is it possible to decide the actual queues?
1116 output.println("/* possibly needed by multi-parameter tasks on this core*/");
1117 output.println("enqueueObject("+super.generateTemp(fm, temp, lb)+", NULL, 0);");
1119 output.println("/* transfer to core " + targetcore.toString() + "*/");
1120 output.println("{");
1121 // enqueue this object and its destinations for later process
1122 // all the possible queues
1123 QueueInfo qinfo = null;
1124 TranObjInfo tmpinfo = new TranObjInfo();
1125 tmpinfo.name = super.generateTemp(fm, temp, lb);
1126 tmpinfo.targetcore = targetcore;
1127 FlagState targetFS = this.currentSchedule.getTargetFState(tmpFState);
1128 if(targetFS != null) {
1129 tmpinfo.fs = targetFS;
1131 tmpinfo.fs = tmpFState;
1133 if(!contains(sendto, tmpinfo)) {
1134 qinfo = outputtransqueues(tmpinfo.fs, targetcore, output);
1135 output.println("tmpObjInfo = RUNMALLOC(sizeof(struct transObjInfo));");
1136 output.println("tmpObjInfo->objptr = (void *)" + tmpinfo.name + ";");
1137 output.println("tmpObjInfo->targetcore = "+targetcore.toString()+";");
1138 output.println("tmpObjInfo->queues = " + qinfo.qname + ";");
1139 output.println("tmpObjInfo->length = " + qinfo.length + ";");
1140 output.println("addNewItem(totransobjqueue, (void*)tmpObjInfo);");
1141 sendto.add(tmpinfo);
1143 output.println("}");
1145 output.println("/* increase index*/");
1146 output.println("++" + queueins + ".index;");
1148 // this object will reside on current core
1149 output.println("/* reside on this core*/");
1151 output.println("{");
1152 QueueInfo qinfo = outputqueues(tmpFState, num, output, true);
1153 output.println("enqueueObject("+super.generateTemp(fm, temp, lb)+", " + qinfo.qname +
1154 ", " + qinfo.length + ");");
1155 output.println("}");
1159 output.println("enqueueObject("+super.generateTemp(fm, temp, lb)+", NULL, 0);");
1163 // codes for multi-params tasks
1165 // flagstate associated with some multi-params tasks
1166 // need to be send to other cores
1167 Vector<Integer> targetcores = this.currentSchedule.getAllyCores(tmpFState);
1168 output.println("/* send the shared object to possible queues on other cores*/");
1169 for(int k = 0; k < targetcores.size(); ++k) {
1171 // add the information of exactly which queue
1172 //if(!sendto.contains(targetcores.elementAt(i))) {
1173 // previously not sended to this target core
1174 // enqueue this object and its destinations for later process
1175 output.println("{");
1176 // all the possible queues
1177 QueueInfo qinfo = null;
1178 TranObjInfo tmpinfo = new TranObjInfo();
1179 tmpinfo.name = super.generateTemp(fm, temp, lb);
1180 tmpinfo.targetcore = targetcores.elementAt(i);
1181 FlagState targetFS = this.currentSchedule.getTargetFState(tmpFState);
1182 if(targetFS != null) {
1183 tmpinfo.fs = targetFS;
1185 tmpinfo.fs = tmpFState;
1187 if(!contains(sendto, tmpinfo)) {
1188 qinfo = outputtransqueues(tmpinfo.fs, targetcores.elementAt(i), output);
1189 output.println("tmpObjInfo = RUNMALLOC(sizeof(struct transObjInfo));");
1190 output.println("tmpObjInfo->objptr = (void *)" + tmpinfo.name + ";");
1191 output.println("tmpObjInfo->targetcore = "+targetcores.elementAt(i).toString()+";");
1192 output.println("tmpObjInfo->queues = " + qinfo.qname + ";");
1193 output.println("tmpObjInfo->length = " + qinfo.length + ";");
1194 output.println("addNewItem(totransobjqueue, (void*)tmpObjInfo);");
1195 sendto.add(tmpinfo);
1197 output.println("}");
1203 if(initfstates != null) {
1204 output.println("}");
1209 private QueueInfo outputqueues(FlagState tmpFState,
1212 boolean isEnqueue) {
1214 QueueInfo qinfo = new QueueInfo();
1215 qinfo.qname = "queues_" + tmpFState.getLabel() + "_" + tmpFState.getiuid();
1216 output.println("struct parameterwrapper * " + qinfo.qname + "[] = {");
1217 Iterator it_edges = tmpFState.getEdgeVector().iterator();
1218 Vector<TaskDescriptor> residetasks = this.currentSchedule.getTasks();
1219 Vector<TaskDescriptor> tasks = new Vector<TaskDescriptor>();
1220 Vector<Integer> indexes = new Vector<Integer>();
1221 boolean comma = false;
1223 while(it_edges.hasNext()) {
1224 FEdge fe = (FEdge)it_edges.next();
1225 TaskDescriptor td = fe.getTask();
1226 int paraindex = fe.getIndex();
1227 if((!isEnqueue) || (isEnqueue && residetasks.contains(td))) {
1228 if((!tasks.contains(td)) ||
1229 ((tasks.contains(td)) && (paraindex != indexes.elementAt(tasks.indexOf(td)).intValue()))) {
1230 tasks.addElement(td);
1231 indexes.addElement(paraindex);
1233 output.println(",");
1237 output.print("&" + this.objqueueprefix + paraindex + "_" + td.getCoreSafeSymbol(num));
1242 output.println("};");
1246 private QueueInfo outputtransqueues(FlagState tmpFState,
1248 PrintWriter output) {
1250 QueueInfo qinfo = new QueueInfo();
1251 qinfo.qname = "queues_" + tmpFState.getLabel() + "_" + tmpFState.getiuid();
1252 output.println("int " + qinfo.qname + "_clone[] = {");
1253 Iterator it_edges = tmpFState.getEdgeVector().iterator();
1254 Vector<TaskDescriptor> residetasks = this.scheduling.get(targetcore).getTasks();
1255 Vector<TaskDescriptor> tasks = new Vector<TaskDescriptor>();
1256 Vector<Integer> indexes = new Vector<Integer>();
1257 boolean comma = false;
1259 while(it_edges.hasNext()) {
1260 FEdge fe = (FEdge)it_edges.next();
1261 TaskDescriptor td = fe.getTask();
1262 int paraindex = fe.getIndex();
1263 if(residetasks.contains(td)) {
1264 if((!tasks.contains(td)) ||
1265 ((tasks.contains(td)) && (paraindex != indexes.elementAt(tasks.indexOf(td)).intValue()))) {
1266 tasks.addElement(td);
1267 indexes.addElement(paraindex);
1269 output.println(",");
1273 output.print(residetasks.indexOf(td) + ", ");
1274 output.print(paraindex);
1279 output.println("};");
1280 output.println("int * " + qinfo.qname + " = RUNMALLOC(sizeof(int) * " + qinfo.length * 2 + ");");
1281 output.println("memcpy(" + qinfo.qname + ", (int *)" + qinfo.qname + "_clone, sizeof(int) * " + qinfo.length * 2 + ");");
1285 private class QueueInfo {
1287 public String qname;
1290 private String generateTempFlagName(FlatMethod fm,
1292 LocalityBinding lb) {
1293 MethodDescriptor md=fm.getMethod();
1294 TaskDescriptor task=fm.getTask();
1295 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1297 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1298 return td.getSafeSymbol() + "_oldflag";
1301 if (objecttemps.isLocalPtr(td)) {
1302 return localsprefix+"_"+td.getSafeSymbol() + "_oldflag";
1305 if (objecttemps.isParamPtr(td)) {
1306 return paramsprefix+"_"+td.getSafeSymbol() + "_oldflag";
1311 protected void outputTransCode(PrintWriter output) {
1312 output.println("while(0 == isEmpty(totransobjqueue)) {");
1313 output.println(" struct transObjInfo * totransobj = (struct transObjInfo *)(getItem(totransobjqueue));");
1314 output.println(" transferObject(totransobj);");
1315 output.println(" RUNFREE(totransobj->queues);");
1316 output.println(" RUNFREE(totransobj);");
1317 output.println("}");
1318 output.println("freeQueue(totransobjqueue);");
1321 protected void outputAliasLockCode(FlatMethod fm,
1323 PrintWriter output) {
1324 if(this.m_oa == null) {
1327 TaskDescriptor td = fm.getTask();
1328 Object[] allocSites = this.m_oa.getFlaggedAllocationSitesReachableFromTask(td).toArray();
1329 Vector<Vector<Integer>> aliasSets = new Vector<Vector<Integer>>();
1330 Vector<Vector<FlatNew>> aliasFNSets = new Vector<Vector<FlatNew>>();
1331 Hashtable<Integer, Vector<FlatNew>> aliasFNTbl4Para = new Hashtable<Integer, Vector<FlatNew>>();
1332 Hashtable<FlatNew, Vector<FlatNew>> aliasFNTbl = new Hashtable<FlatNew, Vector<FlatNew>>();
1333 Set<HeapRegionNode> common;
1334 for( int i = 0; i < fm.numParameters(); ++i ) {
1335 // for the ith parameter check for aliases to all
1336 // higher numbered parameters
1337 aliasSets.add(null);
1338 for( int j = i + 1; j < fm.numParameters(); ++j ) {
1339 common = this.m_oa.createsPotentialAliases(td, i, j);
1340 if(!common.isEmpty()) {
1341 // ith parameter and jth parameter has alias, create lock to protect them
1342 if(aliasSets.elementAt(i) == null) {
1343 aliasSets.setElementAt(new Vector<Integer>(), i);
1345 aliasSets.elementAt(i).add(j);
1349 // for the ith parameter, check for aliases against
1350 // the set of allocation sites reachable from this
1352 aliasFNSets.add(null);
1353 for(int j = 0; j < allocSites.length; j++) {
1354 AllocationSite as = (AllocationSite)allocSites[j];
1355 common = this.m_oa.createsPotentialAliases(td, i, as);
1356 if( !common.isEmpty() ) {
1357 // ith parameter and allocationsite as has alias
1358 if(aliasFNSets.elementAt(i) == null) {
1359 aliasFNSets.setElementAt(new Vector<FlatNew>(), i);
1361 aliasFNSets.elementAt(i).add(as.getFlatNew());
1366 // for each allocation site check for aliases with
1367 // other allocation sites in the context of execution
1369 for( int i = 0; i < allocSites.length; ++i ) {
1370 AllocationSite as1 = (AllocationSite)allocSites[i];
1371 for(int j = i + 1; j < allocSites.length; j++) {
1372 AllocationSite as2 = (AllocationSite)allocSites[j];
1374 common = this.m_oa.createsPotentialAliases(td, as1, as2);
1375 if( !common.isEmpty() ) {
1376 // as1 and as2 has alias
1377 if(!aliasFNTbl.containsKey(as1.getFlatNew())) {
1378 aliasFNTbl.put(as1.getFlatNew(), new Vector<FlatNew>());
1380 if(!aliasFNTbl.get(as1.getFlatNew()).contains(as2.getFlatNew())) {
1381 aliasFNTbl.get(as1.getFlatNew()).add(as2.getFlatNew());
1387 // if FlatNew N1->N2->N3, we group N1, N2, N3 together
1388 Iterator<FlatNew> it = aliasFNTbl.keySet().iterator();
1389 Vector<FlatNew> visited = new Vector<FlatNew>();
1390 while(it.hasNext()) {
1391 FlatNew tmpfn = it.next();
1392 if(visited.contains(tmpfn)) {
1396 Queue<FlatNew> tovisit = new LinkedList<FlatNew>();
1397 Vector<FlatNew> tmpv = aliasFNTbl.get(tmpfn);
1402 for(int j = 0; j < tmpv.size(); j++) {
1403 tovisit.add(tmpv.elementAt(j));
1406 while(!tovisit.isEmpty()) {
1407 FlatNew fn = tovisit.poll();
1409 Vector<FlatNew> tmpset = aliasFNTbl.get(fn);
1410 if(tmpset != null) {
1411 // merge tmpset to the alias set of the ith parameter
1412 for(int j = 0; j < tmpset.size(); j++) {
1413 if(!tmpv.contains(tmpset.elementAt(j))) {
1414 tmpv.add(tmpset.elementAt(j));
1415 tovisit.add(tmpset.elementAt(j));
1418 aliasFNTbl.remove(fn);
1421 it = aliasFNTbl.keySet().iterator();
1424 // check alias between parameters and between parameter-flatnew
1425 for(int i = 0; i < aliasSets.size(); i++) {
1426 Queue<Integer> tovisit = new LinkedList<Integer>();
1427 Vector<Integer> tmpv = aliasSets.elementAt(i);
1432 for(int j = 0; j < tmpv.size(); j++) {
1433 tovisit.add(tmpv.elementAt(j));
1436 while(!tovisit.isEmpty()) {
1437 int index = tovisit.poll().intValue();
1438 Vector<Integer> tmpset = aliasSets.elementAt(index);
1439 if(tmpset != null) {
1440 // merge tmpset to the alias set of the ith parameter
1441 for(int j = 0; j < tmpset.size(); j++) {
1442 if(!tmpv.contains(tmpset.elementAt(j))) {
1443 tmpv.add(tmpset.elementAt(j));
1444 tovisit.add(tmpset.elementAt(j));
1447 aliasSets.setElementAt(null, index);
1450 Vector<FlatNew> tmpFNSet = aliasFNSets.elementAt(index);
1451 if(tmpFNSet != null) {
1452 // merge tmpFNSet to the aliasFNSet of the ith parameter
1453 if(aliasFNSets.elementAt(i) == null) {
1454 aliasFNSets.setElementAt(tmpFNSet, i);
1456 Vector<FlatNew> tmpFNv = aliasFNSets.elementAt(i);
1457 for(int j = 0; j < tmpFNSet.size(); j++) {
1458 if(!tmpFNv.contains(tmpFNSet.elementAt(j))) {
1459 tmpFNv.add(tmpFNSet.elementAt(j));
1463 aliasFNSets.setElementAt(null, index);
1469 int numparalock = 0;
1470 Vector<Vector<Integer>> tmpaliasSets = new Vector<Vector<Integer>>();
1471 for(int i = 0; i < aliasSets.size(); i++) {
1472 Vector<Integer> tmpv = aliasSets.elementAt(i);
1475 tmpaliasSets.add(tmpv);
1479 Vector<FlatNew> tmpFNv = aliasFNSets.elementAt(i);
1480 if(tmpFNv != null) {
1481 aliasFNTbl4Para.put(i, tmpFNv);
1487 numparalock = numlock;
1490 this.m_aliasSets = tmpaliasSets;
1491 tmpaliasSets.clear();
1492 tmpaliasSets = null;
1493 aliasFNSets.clear();
1495 this.m_aliasFNTbl4Para = aliasFNTbl4Para;
1496 this.m_aliasFNTbl = aliasFNTbl;
1497 numlock += this.m_aliasFNTbl.size();
1501 output.println("int aliaslocks[" + numlock + "];");
1502 output.println("int tmpi = 0;");
1503 // associate locks with parameters
1505 for(int i = 0; i < this.m_aliasSets.size(); i++) {
1506 Vector<Integer> toadd = this.m_aliasSets.elementAt(i);
1508 output.print("int tmplen_" + lockindex + " = 0;");
1509 output.println("void * tmpptrs_" + lockindex + "[] = {");
1510 for(int j = 0; j < toadd.size(); j++) {
1511 int para = toadd.elementAt(j).intValue();
1512 output.print(super.generateTemp(fm, fm.getParameter(para), lb));
1513 if(j < toadd.size() - 1) {
1516 output.println("};");
1519 output.println("aliaslocks[tmpi++] = getAliasLock(tmpptrs_" + lockindex + ", tmplen_" + lockindex + ", lockRedirectTbl);");
1521 for(int j = 0; j < toadd.size(); j++) {
1522 int para = toadd.elementAt(j).intValue();
1523 output.println("addAliasLock(" + super.generateTemp(fm, fm.getParameter(para), lb) + ", aliaslocks[" + i + "]);");
1525 // check if this lock is also associated with any FlatNew nodes
1526 if(this.m_aliasFNTbl4Para.containsKey(toadd.elementAt(0))) {
1527 if(this.m_aliaslocksTbl4FN == null) {
1528 this.m_aliaslocksTbl4FN = new Hashtable<FlatNew, Vector<Integer>>();
1530 Vector<FlatNew> tmpv = this.m_aliasFNTbl4Para.get(toadd.elementAt(0));
1531 for(int j = 0; j < tmpv.size(); j++) {
1532 FlatNew fn = tmpv.elementAt(j);
1533 if(!this.m_aliaslocksTbl4FN.containsKey(fn)) {
1534 this.m_aliaslocksTbl4FN.put(fn, new Vector<Integer>());
1536 this.m_aliaslocksTbl4FN.get(fn).add(i);
1538 this.m_aliasFNTbl4Para.remove(toadd.elementAt(0));
1543 Object[] key = this.m_aliasFNTbl4Para.keySet().toArray();
1544 for(int i = 0; i < key.length; i++) {
1545 int para = ((Integer)key[i]).intValue();
1547 output.println("void * tmpptrs_" + lockindex + "[] = {" + super.generateTemp(fm, fm.getParameter(para), lb) + "};");
1548 output.println("aliaslocks[tmpi++] = getAliasLock(tmpptrs_" + lockindex + ", 1, lockRedirectTbl);");
1550 output.println("addAliasLock(" + super.generateTemp(fm, fm.getParameter(para), lb) + ", aliaslocks[" + lockindex + "]);");
1551 Vector<FlatNew> tmpv = this.m_aliasFNTbl4Para.get(para);
1552 for(int j = 0; j < tmpv.size(); j++) {
1553 FlatNew fn = tmpv.elementAt(j);
1554 if(this.m_aliaslocksTbl4FN == null) {
1555 this.m_aliaslocksTbl4FN = new Hashtable<FlatNew, Vector<Integer>>();
1557 if(!this.m_aliaslocksTbl4FN.containsKey(fn)) {
1558 this.m_aliaslocksTbl4FN.put(fn, new Vector<Integer>());
1560 this.m_aliaslocksTbl4FN.get(fn).add(lockindex);
1565 // check m_aliasFNTbl for locks associated with FlatNew nodes
1566 Object[] FNkey = this.m_aliasFNTbl.keySet().toArray();
1567 for(int i = 0; i < FNkey.length; i++) {
1568 FlatNew fn = (FlatNew)FNkey[i];
1569 Vector<FlatNew> tmpv = this.m_aliasFNTbl.get(fn);
1571 output.println("aliaslocks[tmpi++] = (int)(RUNMALLOC(sizeof(int)));");
1573 if(this.m_aliaslocksTbl4FN == null) {
1574 this.m_aliaslocksTbl4FN = new Hashtable<FlatNew, Vector<Integer>>();
1576 if(!this.m_aliaslocksTbl4FN.containsKey(fn)) {
1577 this.m_aliaslocksTbl4FN.put(fn, new Vector<Integer>());
1579 this.m_aliaslocksTbl4FN.get(fn).add(lockindex);
1580 for(int j = 0; j < tmpv.size(); j++) {
1581 FlatNew tfn = tmpv.elementAt(j);
1582 if(!this.m_aliaslocksTbl4FN.containsKey(tfn)) {
1583 this.m_aliaslocksTbl4FN.put(tfn, new Vector<Integer>());
1585 this.m_aliaslocksTbl4FN.get(tfn).add(lockindex);
1592 protected void generateFlatReturnNode(FlatMethod fm,
1595 PrintWriter output) {
1596 if (frn.getReturnTemp()!=null) {
1597 if (frn.getReturnTemp().getType().isPtr())
1598 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
1600 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
1602 if(fm.getTask() != null) {
1603 output.println("#ifdef CACHEFLUSH");
1604 output.println("BAMBOO_START_CRITICAL_SECTION();");
1605 output.println("#ifdef DEBUG");
1606 output.println("BAMBOO_DEBUGPRINT(0xec00);");
1607 output.println("#endif");
1608 output.println("BAMBOO_CACHE_FLUSH_ALL();");
1609 output.println("#ifdef DEBUG");
1610 output.println("BAMBOO_DEBUGPRINT(0xecff);");
1611 output.println("#endif");
1612 output.println("BAMBOO_CLOSE_CRITICAL_SECTION();");
1613 output.println("#endif");
1614 outputTransCode(output);
1616 output.println("return;");
1620 protected void generateFlatNew(FlatMethod fm,
1623 PrintWriter output) {
1624 if (state.DSM && locality.getAtomic(lb).get(fn).intValue() > 0
1625 && !fn.isGlobal()) {
1626 // Stash pointer in case of GC
1627 String revertptr = super.generateTemp(fm, reverttable.get(lb), lb);
1628 output.println(revertptr + "=trans->revertlist;");
1630 if (fn.getType().isArray()) {
1631 int arrayid = state.getArrayNumber(fn.getType())
1632 + state.numClasses();
1633 if (fn.isGlobal()) {
1634 output.println(super.generateTemp(fm, fn.getDst(), lb)
1635 + "=allocate_newarrayglobal(trans, " + arrayid + ", "
1636 + super.generateTemp(fm, fn.getSize(), lb) + ");");
1637 } else if (GENERATEPRECISEGC) {
1638 output.println(super.generateTemp(fm, fn.getDst(), lb)
1639 + "=allocate_newarray(&" + localsprefix + ", "
1640 + arrayid + ", " + super.generateTemp(fm, fn.getSize(), lb)
1643 output.println(super.generateTemp(fm, fn.getDst(), lb)
1644 + "=allocate_newarray(" + arrayid + ", "
1645 + super.generateTemp(fm, fn.getSize(), lb) + ");");
1648 if (fn.isGlobal()) {
1649 output.println(super.generateTemp(fm, fn.getDst(), lb)
1650 + "=allocate_newglobal(trans, "
1651 + fn.getType().getClassDesc().getId() + ");");
1652 } else if (GENERATEPRECISEGC) {
1653 output.println(super.generateTemp(fm, fn.getDst(), lb)
1654 + "=allocate_new(&" + localsprefix + ", "
1655 + fn.getType().getClassDesc().getId() + ");");
1657 output.println(super.generateTemp(fm, fn.getDst(), lb)
1659 + fn.getType().getClassDesc().getId() + ");");
1662 if (state.DSM && locality.getAtomic(lb).get(fn).intValue() > 0
1663 && !fn.isGlobal()) {
1664 String revertptr = super.generateTemp(fm, reverttable.get(lb), lb);
1665 output.println("trans->revertlist=" + revertptr + ";");
1667 // create alias lock if necessary
1668 if((this.m_aliaslocksTbl4FN != null) && (this.m_aliaslocksTbl4FN.containsKey(fn))) {
1669 Vector<Integer> tmpv = this.m_aliaslocksTbl4FN.get(fn);
1670 for(int i = 0; i < tmpv.size(); i++) {
1671 output.println("addAliasLock(" + super.generateTemp(fm, fn.getDst(), lb) + ", aliaslocks[" + tmpv.elementAt(i).intValue() + "]);");
1674 // generate codes for profiling, recording how many new objects are created
1675 if(!fn.getType().isArray() &&
1676 (fn.getType().getClassDesc() != null)
1677 && (fn.getType().getClassDesc().hasFlags())) {
1678 output.println("#ifdef PROFILE");
1679 output.println("addNewObjInfo(\"" + fn.getType().getClassDesc().getSymbol() + "\");");
1680 output.println("#endif");
1686 public int targetcore;
1687 public FlagState fs;
1690 private boolean contains(Vector<TranObjInfo> sendto,
1692 if(sendto.size() == 0) {
1695 for(int i = 0; i < sendto.size(); i++) {
1696 TranObjInfo tmp = sendto.elementAt(i);
1697 if(!tmp.name.equals(t.name)) {
1700 if(tmp.targetcore != t.targetcore) {
1703 if(tmp.fs != t.fs) {