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.Queue;
9 import java.util.Vector;
11 import Analysis.Locality.LocalityBinding;
12 import Analysis.Scheduling.Schedule;
13 import Analysis.TaskStateAnalysis.FEdge;
14 import Analysis.TaskStateAnalysis.FlagState;
15 import Analysis.TaskStateAnalysis.SafetyAnalysis;
16 import Analysis.Prefetch.*;
17 import IR.ClassDescriptor;
19 import IR.FlagDescriptor;
20 import IR.MethodDescriptor;
22 import IR.TagVarDescriptor;
23 import IR.TaskDescriptor;
24 import IR.TypeDescriptor;
26 import IR.VarDescriptor;
27 import IR.Tree.DNFFlag;
28 import IR.Tree.DNFFlagAtom;
29 import IR.Tree.FlagExpressionNode;
30 import IR.Tree.TagExpressionList;
32 public class BuildCodeMultiCore extends BuildCode {
33 private Vector<Schedule> scheduling;
35 Schedule currentSchedule;
36 Hashtable[] fsate2qnames;
37 String objqarrayprefix= "objqueuearray4class";
38 String objqueueprefix = "objqueue4parameter_";
39 String paramqarrayprefix = "paramqueuearray4task";
40 String coreqarrayprefix = "paramqueuearrays_core";
41 String taskprefix = "task_";
42 String taskarrayprefix = "taskarray_core";
43 String otqueueprefix = "___otqueue";
44 int startupcorenum; // record the core containing startup task, suppose only one core can hava startup object
46 public BuildCodeMultiCore(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, Vector<Schedule> scheduling, int coreNum, PrefetchAnalysis pa) {
47 super(st, temptovar, typeutil, sa, pa);
48 this.scheduling = scheduling;
49 this.coreNum = coreNum;
50 this.currentSchedule = null;
51 this.fsate2qnames = null;
52 this.startupcorenum = 0;
54 // sometimes there are extra cores then needed in scheduling
56 // currently, it is guaranteed that in scheduling, the corenum
57 // is started from 0 and continuous.
58 // MAY need modification here in the future when take hardware
59 // information into account.
60 if(this.scheduling.size() < this.coreNum) {
61 this.coreNum = this.scheduling.size();
65 public void buildCode() {
66 /* Create output streams to write to */
67 PrintWriter outclassdefs=null;
68 PrintWriter outstructs=null;
69 PrintWriter outmethodheader=null;
70 PrintWriter outmethod=null;
71 PrintWriter outvirtual=null;
72 PrintWriter outtask=null;
73 PrintWriter outtaskdefs=null;
74 //PrintWriter outoptionalarrays=null;
75 //PrintWriter optionalheaders=null;
78 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
79 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
80 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
81 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
82 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
84 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
85 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
88 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
89 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
92 /*if (state.structfile!=null) {
93 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
95 } catch (Exception e) {
100 /* Build the virtual dispatch tables */
101 super.buildVirtualTables(outvirtual);
103 /* Output includes */
104 outmethodheader.println("#ifndef METHODHEADERS_H");
105 outmethodheader.println("#define METHODHEADERS_H");
106 outmethodheader.println("#include \"structdefs.h\"");
108 outmethodheader.println("#include \"dstm.h\"");*/
110 /* Output Structures */
111 super.outputStructs(outstructs);
113 // Output the C class declarations
114 // These could mutually reference each other
115 super.outputClassDeclarations(outclassdefs);
117 // Output function prototypes and structures for parameters
118 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
120 while(it.hasNext()) {
122 ClassDescriptor cn=(ClassDescriptor)it.next();
123 super.generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
125 outclassdefs.close();
128 /* Map flags to integers */
129 /* The runtime keeps track of flags using these integers */
130 it=state.getClassSymbolTable().getDescriptorsIterator();
131 while(it.hasNext()) {
132 ClassDescriptor cn=(ClassDescriptor)it.next();
136 generateTaskStructs(outstructs, outmethodheader);
138 /* Outputs generic task structures if this is a task
140 outputTaskTypes(outtask);
143 /* Build the actual methods */
144 super.outputMethods(outmethod);
147 Iterator[] taskits = new Iterator[this.coreNum];
148 for(int i = 0; i < taskits.length; ++i) {
151 int[] numtasks = new int[this.coreNum];
152 int[][] numqueues = new int[this.coreNum][numclasses];
153 /* Output code for tasks */
154 for(int i = 0; i < this.scheduling.size(); ++i) {
155 this.currentSchedule = this.scheduling.elementAt(i);
156 outputTaskCode(outtaskdefs, outmethod, outtask, taskits, numtasks, numqueues);
159 // Output task descriptors
160 boolean comma = false;
161 outtaskdefs.println("struct parameterwrapper ** objectqueues[][NUMCLASSES] = {");
162 boolean needcomma = false;
163 for(int i = 0; i < numqueues.length ; ++i) {
165 outtaskdefs.println(",");
169 outtaskdefs.println("/* object queue array for core " + i + "*/");
170 outtaskdefs.print("{");
172 for(int j = 0; j < numclasses; ++j) {
174 outtaskdefs.println(",");
178 outtaskdefs.print(this.objqarrayprefix + j + "_core" + i);
180 outtaskdefs.print("}");
182 outtaskdefs.println("};");
184 outtaskdefs.println("int numqueues[][NUMCLASSES] = {");
185 for(int i = 0; i < numqueues.length; ++i) {
187 outtaskdefs.println(",");
191 int[] tmparray = numqueues[i];
193 outtaskdefs.print("{");
194 for(int j = 0; j < tmparray.length; ++j) {
196 outtaskdefs.print(",");
200 outtaskdefs.print(tmparray[j]);
202 outtaskdefs.print("}");
204 outtaskdefs.println("};");
206 /* parameter queue arrays for all the tasks*/
207 outtaskdefs.println("struct parameterwrapper *** paramqueues[] = {");
209 for(int i = 0; i < this.coreNum ; ++i) {
211 outtaskdefs.println(",");
215 outtaskdefs.println("/* parameter queue array for core " + i + "*/");
216 outtaskdefs.print(this.coreqarrayprefix + i);
218 outtaskdefs.println("};");
220 for(int i = 0; i < taskits.length; ++i) {
221 outtaskdefs.println("struct taskdescriptor * " + this.taskarrayprefix + i + "[]={");
222 Iterator taskit = taskits[i];
225 while(taskit.hasNext()) {
226 TaskDescriptor td=(TaskDescriptor)taskit.next();
230 outtaskdefs.println(",");
231 outtaskdefs.print("&" + this.taskprefix +td.getCoreSafeSymbol(i));
234 outtaskdefs.println();
235 outtaskdefs.println("};");
237 outtaskdefs.println("struct taskdescriptor ** taskarray[]= {");
239 for(int i = 0; i < taskits.length; ++i) {
241 outtaskdefs.println(",");
244 outtaskdefs.print(this.taskarrayprefix + i);
246 outtaskdefs.println("};");
248 outtaskdefs.print("int numtasks[]= {");
250 for(int i = 0; i < taskits.length; ++i) {
252 outtaskdefs.print(",");
255 outtaskdefs.print(numtasks[i]);
257 outtaskdefs.println("};");
258 outtaskdefs.println("int corenum=0;");
261 outtask.println("#endif");
263 /* Record maximum number of task parameters */
264 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
265 /* Record maximum number of all types, i.e. length of classsize[] */
266 outstructs.println("#define NUMTYPES "+(state.numClasses() + state.numArrays()));
267 /* Record number of cores */
268 outstructs.println("#define NUMCORES "+this.coreNum);
269 /* Record number of core containing startup task */
270 outstructs.println("#define STARTUPCORE "+this.startupcorenum);
271 //outstructs.println("#define STARTUPCORESTR \""+this.startupcorenum+"\"");
272 } //else if (state.main!=null) {
273 /* Generate main method */
274 // outputMainMethod(outmethod);
277 /* Generate information for task with optional parameters */
278 /*if (state.TASK&&state.OPTIONAL){
279 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
280 outoptionalarrays.close();
283 /* Output structure definitions for repair tool */
284 /*if (state.structfile!=null) {
285 buildRepairStructs(outrepairstructs);
286 outrepairstructs.close();
290 outmethodheader.println("#endif");
291 outmethodheader.close();
293 outstructs.println("#endif");
297 /** This function outputs (1) structures that parameters are
298 * passed in (when PRECISE GC is enabled) and (2) function
299 * prototypes for the tasks */
301 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
302 /* Cycle through tasks */
303 for(int i = 0; i < this.scheduling.size(); ++i) {
304 Schedule tmpschedule = this.scheduling.elementAt(i);
305 int num = tmpschedule.getCoreNum();
306 Iterator<TaskDescriptor> taskit = tmpschedule.getTasks().iterator();
308 while(taskit.hasNext()) {
309 /* Classify parameters */
310 TaskDescriptor task=taskit.next();
311 FlatMethod fm=state.getMethodFlat(task);
312 super.generateTempStructs(fm, null);
314 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
315 TempObject objecttemps=(TempObject) tempstable.get(task);
317 /* Output parameter structure */
318 if (GENERATEPRECISEGC) {
319 output.println("struct "+task.getCoreSafeSymbol(num)+"_params {");
320 output.println(" int size;");
321 output.println(" void * next;");
322 for(int j=0;j<objectparams.numPointers();j++) {
323 TempDescriptor temp=objectparams.getPointer(j);
324 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
327 output.println("};\n");
328 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
329 maxtaskparams=objectparams.numPointers()+fm.numTags();
333 /* Output temp structure */
334 if (GENERATEPRECISEGC) {
335 output.println("struct "+task.getCoreSafeSymbol(num)+"_locals {");
336 output.println(" int size;");
337 output.println(" void * next;");
338 for(int j=0;j<objecttemps.numPointers();j++) {
339 TempDescriptor temp=objecttemps.getPointer(j);
340 if (temp.getType().isNull())
341 output.println(" void * "+temp.getSafeSymbol()+";");
342 else if(temp.getType().isTag())
343 output.println(" struct "+
344 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
346 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
348 output.println("};\n");
351 /* Output task declaration */
352 headersout.print("void " + task.getCoreSafeSymbol(num)+"(");
354 if (GENERATEPRECISEGC) {
355 headersout.print("struct "+task.getCoreSafeSymbol(num)+"_params * "+paramsprefix);
357 headersout.print("void * parameterarray[]");
358 headersout.println(");\n");
364 /* This method outputs code for each task. */
366 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod, PrintWriter outtask, Iterator[] taskits, int[] numtasks,
368 /* Compile task based program */
369 outtaskdefs.println("#include \"task.h\"");
370 outtaskdefs.println("#include \"methodheaders.h\"");
372 /* Output object transfer queues into method.c*/
373 generateObjectTransQueues(outmethod);
375 //Vector[] qnames = new Vector[2];
376 int numclasses = numqueues[0].length;
377 Vector qnames[]= new Vector[numclasses];
378 for(int i = 0; i < qnames.length; ++i) {
381 Iterator<TaskDescriptor> taskit=this.currentSchedule.getTasks().iterator();
382 while(taskit.hasNext()) {
383 TaskDescriptor td=taskit.next();
384 FlatMethod fm=state.getMethodFlat(td);
385 generateTaskMethod(fm, null, outmethod);
386 generateTaskDescriptor(outtaskdefs, outtask, fm, td, qnames);
389 // generate queuearray for this core
390 int num = this.currentSchedule.getCoreNum();
391 boolean comma = false;
392 for(int i = 0; i < qnames.length; ++i) {
393 outtaskdefs.println("/* object queue array for class " + i + " on core " + num + "*/");
394 outtaskdefs.println("struct parameterwrapper * " + this.objqarrayprefix + i + "_core" + num + "[] = {");
396 Vector tmpvector = qnames[i];
397 if(tmpvector != null) {
398 for(int j = 0; j < tmpvector.size(); ++j) {
400 outtaskdefs.println(",");
404 outtaskdefs.print("&" + tmpvector.elementAt(j));
406 numqueues[num][i] = tmpvector.size();
408 numqueues[num][i] = 0;
410 outtaskdefs.println("};");
413 /* All the queues for tasks residing on this core*/
415 outtaskdefs.println("/* object queue array for tasks on core " + num + "*/");
416 outtaskdefs.println("struct parameterwrapper ** " + this.coreqarrayprefix + num + "[] = {");
417 taskit=this.currentSchedule.getTasks().iterator();
418 while(taskit.hasNext()) {
420 outtaskdefs.println(",");
424 TaskDescriptor td=taskit.next();
425 outtaskdefs.print(this.paramqarrayprefix + td.getCoreSafeSymbol(num));
427 outtaskdefs.println("};");
429 // record the iterator of tasks on this core
430 taskit=this.currentSchedule.getTasks().iterator();
431 taskits[num] = taskit;
432 numtasks[num] = this.currentSchedule.getTasks().size();
435 /** Prints out definitions for generic task structures */
436 private void outputTaskTypes(PrintWriter outtask) {
437 outtask.println("#ifndef _TASK_H");
438 outtask.println("#define _TASK_H");
439 outtask.println("#include \"ObjectHash.h\"");
440 outtask.println("#include \"structdefs.h\"");
441 outtask.println("#include \"Queue.h\"");
442 outtask.println("#include <string.h>");
443 outtask.println("#ifdef RAW");
444 outtask.println("#include <raw.h>");
445 outtask.println("#endif");
447 outtask.println("struct tagobjectiterator {");
448 outtask.println(" int istag; /* 0 if object iterator, 1 if tag iterator */");
449 outtask.println(" struct ObjectIterator it; /* Object iterator */");
450 outtask.println(" struct ObjectHash * objectset;");
451 outtask.println("#ifdef OPTIONAL");
452 outtask.println(" int failedstate;");
453 outtask.println("#endif");
454 outtask.println(" int slot;");
455 outtask.println(" int tagobjindex; /* Index for tag or object depending on use */");
456 outtask.println(" /*if tag we have an object binding */");
457 outtask.println(" int tagid;");
458 outtask.println(" int tagobjectslot;");
459 outtask.println(" /*if object, we may have one or more tag bindings */");
460 outtask.println(" int numtags;");
461 outtask.println(" int tagbindings[MAXTASKPARAMS-1]; /* list slots */");
462 outtask.println("};");
464 outtask.println("struct parameterwrapper {");
465 outtask.println(" //int type;");
466 outtask.println(" struct ObjectHash * objectset;");
467 outtask.println(" int numberofterms;");
468 outtask.println(" int * intarray;");
469 outtask.println(" int numbertags;");
470 outtask.println(" int * tagarray;");
471 outtask.println(" struct taskdescriptor * task;");
472 outtask.println(" int slot;");
473 outtask.println(" struct tagobjectiterator iterators[MAXTASKPARAMS-1];");
474 outtask.println("};");
476 outtask.println("extern struct parameterwrapper ** objectqueues[][NUMCLASSES];");
477 outtask.println("extern int numqueues[][NUMCLASSES];");
479 outtask.println("struct parameterdescriptor {");
480 outtask.println(" int type;");
481 outtask.println(" int numberterms;");
482 outtask.println(" int *intarray;");
483 outtask.println(" struct parameterwrapper * queue;");
484 outtask.println(" int numbertags;");
485 outtask.println(" int *tagarray;");
486 outtask.println("};");
488 outtask.println("struct taskdescriptor {");
489 outtask.println(" void * taskptr;");
490 outtask.println(" int numParameters;");
491 outtask.println(" int numTotal;");
492 outtask.println(" struct parameterdescriptor **descriptorarray;");
493 outtask.println(" char * name;");
494 outtask.println("};");
496 outtask.println("extern struct taskdescriptor ** taskarray[];");
497 outtask.println("extern int numtasks[];");
498 outtask.println("extern int corenum;"); // define corenum to identify different core
499 outtask.println("extern struct parameterwrapper *** paramqueues[];");
503 private void generateObjectTransQueues(PrintWriter output) {
504 if(this.fsate2qnames == null) {
505 this.fsate2qnames = new Hashtable[this.coreNum];
506 for(int i = 0; i < this.fsate2qnames.length; ++i) {
507 this.fsate2qnames[i] = null;
510 int num = this.currentSchedule.getCoreNum();
511 assert(this.fsate2qnames[num] == null);
512 Hashtable<FlagState, String> flag2qname = new Hashtable<FlagState, String>();
513 this.fsate2qnames[num] = flag2qname;
514 Hashtable<FlagState, Queue<Integer>> targetCoreTbl = this.currentSchedule.getTargetCoreTable();
515 if(targetCoreTbl != null) {
516 Object[] keys = targetCoreTbl.keySet().toArray();
518 output.println("/* Object transfer queues for core" + num + ".*/");
519 for(int i = 0; i < keys.length; ++i) {
520 FlagState tmpfstate = (FlagState)keys[i];
521 Object[] targetcores = targetCoreTbl.get(tmpfstate).toArray();
522 String queuename = this.otqueueprefix + tmpfstate.getClassDescriptor().getCoreSafeSymbol(num) + tmpfstate.getuid() + "___";
523 String queueins = queuename + "ins";
524 flag2qname.put(tmpfstate, queuename);
525 output.println("struct " + queuename + " {");
526 output.println(" int * cores;");
527 output.println(" int index;");
528 output.println(" int length;");
529 output.println("};");
530 output.print("int " + queuename + "cores[] = {");
531 for(int j = 0; j < targetcores.length; ++j) {
535 output.print(((Integer)targetcores[j]).intValue());
537 output.println("};");
538 output.println("struct " + queuename + " " + queueins + "= {");
539 output.println(/*".cores = " + */queuename + "cores,");
540 output.println(/*".index = " + */"0,");
541 output.println(/*".length = " +*/ targetcores.length + "};");
547 private void generateTaskMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
548 /*if (State.PRINTFLAT)
549 System.out.println(fm.printMethod());*/
550 TaskDescriptor task=fm.getTask();
551 assert(task != null);
552 int num = this.currentSchedule.getCoreNum();
554 //ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:task);
555 generateTaskHeader(fm, lb, task,output);
556 TempObject objecttemp=(TempObject) tempstable.get(lb!=null?lb:task);
557 /*if (state.DSM&&lb.getHasAtomic()) {
558 output.println("transrecord_t * trans;");
561 if (GENERATEPRECISEGC) {
562 output.print(" struct "+task.getCoreSafeSymbol(num)+"_locals "+localsprefix+"={");
564 output.print(objecttemp.numPointers()+",");
565 output.print(paramsprefix);
566 for(int j=0;j<objecttemp.numPointers();j++)
567 output.print(", NULL");
568 output.println("};");
571 for(int i=0;i<objecttemp.numPrimitives();i++) {
572 TempDescriptor td=objecttemp.getPrimitive(i);
573 TypeDescriptor type=td.getType();
575 output.println(" void * "+td.getSafeSymbol()+";");
576 else if (type.isClass()||type.isArray())
577 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
579 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
582 for(int i = 0; i < fm.numParameters(); ++i) {
583 TempDescriptor temp = fm.getParameter(i);
584 output.println(" int "+generateTempFlagName(fm, temp, lb)+" = "+super.generateTemp(fm, temp, lb)+
588 /* Assign labels to FlatNode's if necessary.*/
590 Hashtable<FlatNode, Integer> nodetolabel=super.assignLabels(fm);
592 /* Check to see if we need to do a GC if this is a
593 * multi-threaded program...*/
595 /*if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
596 if (state.DSM&&lb.isAtomic())
597 output.println("checkcollect2(&"+localsprefix+",trans);");
599 output.println("checkcollect(&"+localsprefix+");");
602 /* Create queues to store objects need to be transferred to other cores and their destination*/
603 output.println(" struct Queue * totransobjqueue = createQueue();");
604 output.println(" struct transObjInfo * tmpObjInfo = NULL;");
606 /* generate print information for RAW version */
607 output.println("#ifdef RAW");
608 output.println("int tmpsum = 0;");
609 output.println("char * taskname = \"" + task.getSymbol() + "\";");
610 output.println("int tmplen = " + task.getSymbol().length() + ";");
611 output.println("int tmpindex = 1;");
612 output.println("for(;tmpindex < tmplen; tmpindex++) {");
613 output.println(" tmpsum = tmpsum * 10 + *(taskname + tmpindex) - '0';");
615 output.println("#ifdef RAWDEBUG");
616 output.println("raw_test_pass(0xAAAA);");
617 output.println("raw_test_pass_reg(tmpsum);");
618 output.println("#endif");
619 output.println("#endif");
621 for(int i = 0; i < fm.numParameters(); ++i) {
622 TempDescriptor temp = fm.getParameter(i);
623 output.println(" ++" + super.generateTemp(fm, temp, lb)+"->version;");
626 /* Do the actual code generation */
627 FlatNode current_node=null;
628 HashSet tovisit=new HashSet();
629 HashSet visited=new HashSet();
630 tovisit.add(fm.getNext(0));
631 while(current_node!=null||!tovisit.isEmpty()) {
632 if (current_node==null) {
633 current_node=(FlatNode)tovisit.iterator().next();
634 tovisit.remove(current_node);
636 visited.add(current_node);
637 if (nodetolabel.containsKey(current_node))
638 output.println("L"+nodetolabel.get(current_node)+":");
639 /*if (state.INSTRUCTIONFAILURE) {
640 if (state.THREAD||state.DSM) {
641 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
644 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
646 if (current_node.numNext()==0) {
648 super.generateFlatNode(fm, lb, current_node, output);
649 if (current_node.kind()!=FKind.FlatReturnNode) {
650 //output.println(" flushAll();");
651 output.println("#ifdef RAW");
652 output.println("raw_user_interrupts_off();");
653 output.println("#ifdef RAWDEBUG");
654 output.println("raw_test_pass(0xec00);");
655 output.println("#endif");
656 output.println("raw_flush_entire_cache();");
657 output.println("#ifdef RAWDEBUG");
658 output.println("raw_test_pass(0xecff);");
659 output.println("#endif");
660 output.println("raw_user_interrupts_on();");
661 output.println("#endif");
662 outputTransCode(output);
663 output.println(" return;");
666 } else if(current_node.numNext()==1) {
668 super.generateFlatNode(fm, lb, current_node, output);
669 FlatNode nextnode=current_node.getNext(0);
670 if (visited.contains(nextnode)) {
671 output.println("goto L"+nodetolabel.get(nextnode)+";");
674 current_node=nextnode;
675 } else if (current_node.numNext()==2) {
678 super.generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
679 if (!visited.contains(current_node.getNext(1)))
680 tovisit.add(current_node.getNext(1));
681 if (visited.contains(current_node.getNext(0))) {
682 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
685 current_node=current_node.getNext(0);
686 } else throw new Error();
689 output.println("}\n\n");
692 /** This method outputs TaskDescriptor information */
693 private void generateTaskDescriptor(PrintWriter output, PrintWriter outtask, FlatMethod fm, TaskDescriptor task, Vector[] qnames) {
694 int num = this.currentSchedule.getCoreNum();
696 output.println("/* TaskDescriptor information for task " + task.getSymbol() + " on core " + num + "*/");
698 for (int i=0;i<task.numParameters();i++) {
699 VarDescriptor param_var=task.getParameter(i);
700 TypeDescriptor param_type=task.getParamType(i);
701 FlagExpressionNode param_flag=task.getFlag(param_var);
702 TagExpressionList param_tag=task.getTag(param_var);
705 if (param_flag==null) {
706 output.println("int parameterdnf_"+i+"_"+task.getCoreSafeSymbol(num)+"[]={");
707 output.println("0x0, 0x0 };");
710 DNFFlag dflag=param_flag.getDNF();
711 dnfterms=dflag.size();
713 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
714 output.println("int parameterdnf_"+i+"_"+task.getCoreSafeSymbol(num)+"[]={");
715 for(int j=0;j<dflag.size();j++) {
718 Vector term=dflag.get(j);
721 for(int k=0;k<term.size();k++) {
722 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
723 FlagDescriptor fd=dfa.getFlag();
724 boolean negated=dfa.getNegated();
725 int flagid=1<<((Integer)flags.get(fd)).intValue();
730 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
732 output.println("};");
735 output.println("int parametertag_"+i+"_"+task.getCoreSafeSymbol(num)+"[]={");
736 //BUG...added next line to fix, test with any task program
738 for(int j=0;j<param_tag.numTags();j++) {
741 /* for each tag we need */
742 /* which slot it is */
743 /* what type it is */
744 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
745 TempDescriptor tmp=param_tag.getTemp(j);
746 int slot=fm.getTagInt(tmp);
747 output.println(slot+", "+state.getTagId(tvd.getTag()));
749 output.println("};");
751 // generate object queue for this parameter
752 String qname = this.objqueueprefix+i+"_"+task.getCoreSafeSymbol(num);
753 if(param_type.getClassDesc().getSymbol().equals("StartupObject")) {
754 this.startupcorenum = num;
756 if(qnames[param_type.getClassDesc().getId()] == null) {
757 qnames[param_type.getClassDesc().getId()] = new Vector();
759 qnames[param_type.getClassDesc().getId()].addElement(qname);
760 outtask.println("extern struct parameterwrapper " + qname + ";");
761 output.println("struct parameterwrapper " + qname + "={");
762 output.println(".objectset = 0,"); // objectset
763 output.println("/* number of DNF terms */ .numberofterms = "+dnfterms+","); // numberofterms
764 output.println(".intarray = parameterdnf_"+i+"_"+task.getCoreSafeSymbol(num)+","); // intarray
767 output.println("/* number of tags */ .numbertags = "+param_tag.numTags()+",");
769 output.println("/* number of tags */ .numbertags = 0,");
770 output.println(".tagarray = parametertag_"+i+"_"+task.getCoreSafeSymbol(num)+","); // tagarray
771 output.println(".task = 0,"); // task
772 output.println(".slot = " + i + ",");// slot
774 output.println("};");
776 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getCoreSafeSymbol(num)+"={");
777 output.println("/* type */"+param_type.getClassDesc().getId()+",");
778 output.println("/* number of DNF terms */"+dnfterms+",");
779 output.println("parameterdnf_"+i+"_"+task.getCoreSafeSymbol(num)+","); // intarray
780 output.println("&" + qname + ","); // queue
781 //BUG, added next line to fix and else statement...test
782 //with any task program
784 output.println("/* number of tags */"+param_tag.numTags()+",");
786 output.println("/* number of tags */ 0,");
787 output.println("parametertag_"+i+"_"+task.getCoreSafeSymbol(num)); // tagarray
788 output.println("};");
791 /* parameter queues for this task*/
792 output.println("struct parameterwrapper * " + this.paramqarrayprefix + task.getCoreSafeSymbol(num)+"[] = {");
793 for (int i=0;i<task.numParameters();i++) {
796 output.print("&" + this.objqueueprefix + i + "_" + task.getCoreSafeSymbol(num));
798 output.println("};");
800 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getCoreSafeSymbol(num)+"[] = {");
801 for (int i=0;i<task.numParameters();i++) {
804 output.print("¶meter_"+i+"_"+task.getCoreSafeSymbol(num));
806 output.println("};");
808 output.println("struct taskdescriptor " + this.taskprefix + task.getCoreSafeSymbol(num) + "={");
809 output.println("&"+task.getCoreSafeSymbol(num)+",");
810 output.println("/* number of parameters */" +task.numParameters() + ",");
811 int numtotal=task.numParameters()+fm.numTags();
812 output.println("/* number total parameters */" +numtotal + ",");
813 output.println("parameterdescriptors_"+task.getCoreSafeSymbol(num)+",");
814 output.println("\""+task.getSymbol()+"\"");
815 output.println("};");
820 /** This method generates header information for the task
821 * referenced by the Descriptor des. */
823 private void generateTaskHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
825 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:des);
826 TaskDescriptor task=(TaskDescriptor) des;
828 int num = this.currentSchedule.getCoreNum();
829 //catch the constructor case
830 output.print("void ");
831 output.print(task.getCoreSafeSymbol(num)+"(");
833 boolean printcomma=false;
834 if (GENERATEPRECISEGC) {
835 output.print("struct "+task.getCoreSafeSymbol(num)+"_params * "+paramsprefix);
839 /*if (state.DSM&&lb.isAtomic()) {
842 output.print("transrecord_t * trans");
846 if (!GENERATEPRECISEGC) {
848 output.println("void * parameterarray[]) {");
849 /* Unpack variables */
850 for(int i=0;i<objectparams.numPrimitives();i++) {
851 TempDescriptor temp=objectparams.getPrimitive(i);
852 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
854 for(int i=0;i<fm.numTags();i++) {
855 TempDescriptor temp=fm.getTag(i);
856 int offset=i+objectparams.numPrimitives();
857 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+i+"___=parameterarray["+offset+"];");// add i to fix bugs of duplicate definition of tags
860 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
861 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
862 } else output.println(") {");
865 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
866 PrintWriter output, int ormask, int andmask) {
867 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
868 output.println("flagorandinit("+super.generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
870 int num = this.currentSchedule.getCoreNum();
871 ClassDescriptor cd = temp.getType().getClassDesc();
872 Vector<FlagState> initfstates = ffan.getInitFStates(cd);
873 for(int i = 0; i < initfstates.size(); ++i) {
874 FlagState tmpFState = initfstates.elementAt(i);
876 QueueInfo qinfo = outputqueues(tmpFState, num, output, false);
877 output.println("flagorand("+super.generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+
878 ", 0x"+Integer.toHexString(andmask)+", " + qinfo.qname +
879 ", " + qinfo.length + ");");
885 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
886 PrintWriter output) {
887 ClassDescriptor cd = temp.getType().getClassDesc();
888 Vector<FlagState> initfstates = null;
889 Vector[] targetFStates = null;
890 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
891 targetFStates = new Vector[1];
892 targetFStates[0] = ffan.getTargetFStates4NewObj(cd);
894 initfstates = ffan.getInitFStates(cd);
895 targetFStates = new Vector[initfstates.size()];
896 for(int i = 0; i < initfstates.size(); ++i) {
897 FlagState fs = initfstates.elementAt(i);
898 targetFStates[i] = ffan.getTargetFStates(fs);
900 if(!fs.isSetmask()) {
901 Hashtable flags=(Hashtable)flagorder.get(cd);
904 Iterator it_flags = fs.getFlags();
905 while(it_flags.hasNext()) {
906 FlagDescriptor fd = (FlagDescriptor)it_flags.next();
907 int flagid=1<<((Integer)flags.get(fd)).intValue();
911 fs.setAndmask(andmask);
912 fs.setCheckmask(checkmask);
917 boolean isolate = true; // check if this flagstate can associate to some task with multiple params which can
918 // reside on multiple cores
919 if((this.currentSchedule == null) && (fm.getMethod().getClassDesc().getSymbol().equals("ServerSocket"))) {
920 // ServerSocket object will always reside on current core
921 for(int j = 0; j < targetFStates.length; ++j) {
922 if(initfstates != null) {
923 FlagState fs = initfstates.elementAt(j);
924 output.println("if(" + generateTempFlagName(fm, temp, lb) + "&(0x" + Integer.toHexString(fs.getAndmask())
925 + ")==(0x" + Integer.toHexString(fs.getCheckmask()) + ")) {");
927 Vector<FlagState> tmpfstates = (Vector<FlagState>)targetFStates[j];
928 for(int i = 0; i < tmpfstates.size(); ++i) {
929 FlagState tmpFState = tmpfstates.elementAt(i);
931 // may have bugs here
932 output.println("/* reside on this core*");
933 output.println("enqueueObject("+super.generateTemp(fm, temp, lb)+", NULL, 0);");
935 if(initfstates != null) {
942 int num = this.currentSchedule.getCoreNum();
943 Hashtable<FlagState, Queue<Integer>> targetCoreTbl = this.currentSchedule.getTargetCoreTable();
944 for(int j = 0; j < targetFStates.length; ++j) {
946 if(initfstates != null) {
947 fs = initfstates.elementAt(j);
948 output.println("if((" + generateTempFlagName(fm, temp, lb) + "&(0x" + Integer.toHexString(fs.getAndmask())
949 + "))==(0x" + Integer.toHexString(fs.getCheckmask()) + ")) {");
951 Vector<FlagState> tmpfstates = (Vector<FlagState>)targetFStates[j];
952 for(int i = 0; i < tmpfstates.size(); ++i) {
953 FlagState tmpFState = tmpfstates.elementAt(i);
955 if(this.currentSchedule.getAllyCoreTable() == null) {
958 isolate = (this.currentSchedule.getAllyCoreTable().get(tmpFState) == null) ||
959 (this.currentSchedule.getAllyCoreTable().get(tmpFState).size() == 0);
962 // indentify this object as a shared object
963 // 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
964 // is shared, it maybe shared all the time afterwards
965 output.println("if(" + super.generateTemp(fm, temp, lb) + "->isolate == 1) {");
966 output.println(" " + super.generateTemp(fm, temp, lb) + "->isolate = 0;");
967 output.println(" " + super.generateTemp(fm, temp, lb) + "->original = (struct ___Object___ *)" + super.generateTemp(fm, temp, lb) + ";");
971 Vector<Integer> sendto = new Vector<Integer>();
972 Queue<Integer> queue = null;
973 if(targetCoreTbl != null) {
974 queue = targetCoreTbl.get(tmpFState);
976 if((queue != null) &&
977 ((queue.size() != 1) ||
978 ((queue.size() == 1) && (queue.element().intValue() != num)))) {
979 // this object may be transferred to other cores
980 String queuename = (String)this.fsate2qnames[num].get(tmpFState);
981 String queueins = queuename + "ins";
983 Object[] cores = queue.toArray();
985 Integer targetcore = (Integer)cores[0];
986 if(queue.size() > 1) {
987 index = queueins + ".index";
989 if(queue.size() > 1) {
990 output.println("switch(" + queueins + ".index % " + queueins + ".length) {");
991 for(int k = 0; k < cores.length; ++k) {
992 output.println("case " + k + ":");
993 targetcore = (Integer)cores[k];
994 if(targetcore.intValue() == num) {
995 output.println("/* reside on this core*/");
998 QueueInfo qinfo = outputqueues(tmpFState, num, output, true);
999 output.println("enqueueObject("+super.generateTemp(fm, temp, lb)+", " + qinfo.qname +
1000 ", " + qinfo.length + ");");
1001 output.println("}");
1005 output.println("/* possibly needed by multi-parameter tasks on this core*/");
1006 output.println("enqueueObject("+super.generateTemp(fm, temp, lb)+", NULL, 0);");
1011 // Is it possible to decide the actual queues?
1012 output.println("/* possibly needed by multi-parameter tasks on this core*/");
1013 output.println("enqueueObject("+super.generateTemp(fm, temp, lb)+", NULL, 0);");
1015 output.println("/* transfer to core " + targetcore.toString() + "*/");
1016 output.println("{");
1017 // enqueue this object and its destinations for later process
1018 // all the possible queues
1019 QueueInfo qinfo = null;
1020 FlagState targetFS = this.currentSchedule.getTargetFState(tmpFState);
1021 if(targetFS != null) {
1022 qinfo = outputtransqueues(targetFS, targetcore, output);
1024 qinfo = outputtransqueues(tmpFState, targetcore, output);
1026 output.println("tmpObjInfo = RUNMALLOC(sizeof(struct transObjInfo));");
1027 output.println("tmpObjInfo->objptr = (void *)" + super.generateTemp(fm, temp, lb) + ";");
1028 output.println("tmpObjInfo->targetcore = "+targetcore.toString()+";");
1029 output.println("tmpObjInfo->queues = " + qinfo.qname + ";");
1030 output.println("tmpObjInfo->length = " + qinfo.length + ";");
1031 output.println("addNewItem(totransobjqueue, (void*)tmpObjInfo);");
1032 output.println("}");
1033 sendto.add(targetcore);
1035 output.println("break;");
1037 output.println("}");
1041 // Is it possible to decide the actual queues?
1042 output.println("/* possibly needed by multi-parameter tasks on this core*/");
1043 output.println("enqueueObject("+super.generateTemp(fm, temp, lb)+", NULL, 0);");
1045 output.println("/* transfer to core " + targetcore.toString() + "*/");
1046 output.println("{");
1047 // enqueue this object and its destinations for later process
1048 // all the possible queues
1049 QueueInfo qinfo = null;
1050 FlagState targetFS = this.currentSchedule.getTargetFState(tmpFState);
1051 if(targetFS != null) {
1052 qinfo = outputtransqueues(targetFS, targetcore, output);
1054 qinfo = outputtransqueues(tmpFState, targetcore, output);
1056 output.println("tmpObjInfo = RUNMALLOC(sizeof(struct transObjInfo));");
1057 output.println("tmpObjInfo->objptr = (void *)" + super.generateTemp(fm, temp, lb) + ";");
1058 output.println("tmpObjInfo->targetcore = "+targetcore.toString()+";");
1059 output.println("tmpObjInfo->queues = " + qinfo.qname + ";");
1060 output.println("tmpObjInfo->length = " + qinfo.length + ";");
1061 output.println("addNewItem(totransobjqueue, (void*)tmpObjInfo);");
1062 output.println("}");
1063 sendto.add(targetcore);
1065 output.println("/* increase index*/");
1066 output.println("++" + queueins + ".index;");
1068 // this object will reside on current core
1069 output.println("/* reside on this core*/");
1071 output.println("{");
1072 QueueInfo qinfo = outputqueues(tmpFState, num, output, true);
1073 output.println("enqueueObject("+super.generateTemp(fm, temp, lb)+", " + qinfo.qname +
1074 ", " + qinfo.length + ");");
1075 output.println("}");
1079 output.println("enqueueObject("+super.generateTemp(fm, temp, lb)+", NULL, 0);");
1083 // codes for multi-params tasks
1085 // flagstate associated with some multi-params tasks
1086 // need to be send to other cores
1087 Vector<Integer> targetcores = this.currentSchedule.getAllyCores(tmpFState);
1088 output.println("/* send the shared object to possible queues on other cores*/");
1089 for(int k = 0; k < targetcores.size(); ++k) {
1091 // add the information of exactly which queue
1092 if(!sendto.contains(targetcores.elementAt(i))) {
1093 // previously not sended to this target core
1094 // enqueue this object and its destinations for later process
1095 output.println("{");
1096 // all the possible queues
1097 QueueInfo qinfo = null;
1098 FlagState targetFS = this.currentSchedule.getTargetFState(tmpFState);
1099 if(targetFS != null) {
1100 qinfo = outputtransqueues(targetFS, targetcores.elementAt(i), output);
1102 qinfo = outputtransqueues(tmpFState, targetcores.elementAt(i), output);
1104 output.println("tmpObjInfo = RUNMALLOC(sizeof(struct transObjInfo));");
1105 output.println("tmpObjInfo->objptr = (void *)" + super.generateTemp(fm, temp, lb) + ";");
1106 output.println("tmpObjInfo->targetcore = "+targetcores.elementAt(i).toString()+";");
1107 output.println("tmpObjInfo->queues = " + qinfo.qname + ";");
1108 output.println("tmpObjInfo->length = " + qinfo.length + ";");
1109 output.println("addNewItem(totransobjqueue, (void*)tmpObjInfo);");
1110 output.println("}");
1116 if(initfstates != null) {
1117 output.println("}");
1122 private QueueInfo outputqueues(FlagState tmpFState, int num, PrintWriter output, boolean isEnqueue) {
1124 QueueInfo qinfo = new QueueInfo();
1125 qinfo.qname = "queues_" + tmpFState.getLabel() + "_" + tmpFState.getiuid();
1126 output.println("struct parameterwrapper * " + qinfo.qname + "[] = {");
1127 Iterator it_edges = tmpFState.getEdgeVector().iterator();
1128 Vector<TaskDescriptor> residetasks = this.currentSchedule.getTasks();
1129 Vector<TaskDescriptor> tasks = new Vector<TaskDescriptor>();
1130 Vector<Integer> indexes = new Vector<Integer>();
1131 boolean comma = false;
1133 while(it_edges.hasNext()) {
1134 FEdge fe = (FEdge)it_edges.next();
1135 TaskDescriptor td = fe.getTask();
1136 int paraindex = fe.getIndex();
1137 if((!isEnqueue) || (isEnqueue && residetasks.contains(td))) {
1138 if((!tasks.contains(td)) ||
1139 ((tasks.contains(td)) && (paraindex != indexes.elementAt(tasks.indexOf(td)).intValue()))) {
1140 tasks.addElement(td);
1141 indexes.addElement(paraindex);
1143 output.println(",");
1147 output.print("&" + this.objqueueprefix + paraindex + "_" + td.getCoreSafeSymbol(num));
1152 output.println("};");
1156 private QueueInfo outputtransqueues(FlagState tmpFState, int targetcore, PrintWriter output) {
1158 QueueInfo qinfo = new QueueInfo();
1159 qinfo.qname = "queues_" + tmpFState.getLabel() + "_" + tmpFState.getiuid();
1160 output.println("int " + qinfo.qname + "_clone[] = {");
1161 Iterator it_edges = tmpFState.getEdgeVector().iterator();
1162 Vector<TaskDescriptor> residetasks = this.scheduling.get(targetcore).getTasks();
1163 Vector<TaskDescriptor> tasks = new Vector<TaskDescriptor>();
1164 Vector<Integer> indexes = new Vector<Integer>();
1165 boolean comma = false;
1167 while(it_edges.hasNext()) {
1168 FEdge fe = (FEdge)it_edges.next();
1169 TaskDescriptor td = fe.getTask();
1170 int paraindex = fe.getIndex();
1171 if(residetasks.contains(td)) {
1172 if((!tasks.contains(td)) ||
1173 ((tasks.contains(td)) && (paraindex != indexes.elementAt(tasks.indexOf(td)).intValue()))) {
1174 tasks.addElement(td);
1175 indexes.addElement(paraindex);
1177 output.println(",");
1181 output.print(residetasks.indexOf(td) + ", ");
1182 output.print(paraindex);
1187 output.println("};");
1188 output.println("int * " + qinfo.qname + " = RUNMALLOC(sizeof(int) * " + qinfo.length * 2 + ");");
1189 output.println("memcpy(" + qinfo.qname + ", (int *)" + qinfo.qname + "_clone, sizeof(int) * " + qinfo.length * 2 + ");");
1193 private class QueueInfo {
1195 public String qname;
1198 private String generateTempFlagName(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1199 MethodDescriptor md=fm.getMethod();
1200 TaskDescriptor task=fm.getTask();
1201 TempObject objecttemps=(TempObject) tempstable.get(lb!=null?lb:md!=null?md:task);
1203 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1204 return td.getSafeSymbol() + "_oldflag";
1207 if (objecttemps.isLocalPtr(td)) {
1208 return localsprefix+"_"+td.getSafeSymbol() + "_oldflag";
1211 if (objecttemps.isParamPtr(td)) {
1212 return paramsprefix+"_"+td.getSafeSymbol() + "_oldflag";
1217 protected void outputTransCode(PrintWriter output) {
1218 output.println("while(0 == isEmpty(totransobjqueue)) {");
1219 output.println(" struct QueueItem * totransitem = getTail(totransobjqueue);");
1221 output.println(" transferObject((struct transObjInfo *)totransitem->objectptr);");
1222 output.println(" RUNFREE(((struct transObjInfo *)totransitem->objectptr)->queues);");
1223 output.println(" RUNFREE(totransitem->objectptr);");
1224 output.println(" removeItem(totransobjqueue, totransitem);");
1225 output.println("}");
1226 output.println("freeQueue(totransobjqueue);");
1229 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
1230 if (frn.getReturnTemp()!=null) {
1231 if (frn.getReturnTemp().getType().isPtr())
1232 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
1234 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
1236 if(fm.getTask() != null) {
1237 //output.println("flushAll();");
1238 output.println("#ifdef RAW");
1239 output.println("raw_user_interrupts_off();");
1240 output.println("#ifdef RAWDEBUG");
1241 output.println("raw_test_pass(0xec00);");
1242 output.println("#endif");
1243 output.println("raw_flush_entire_cache();");
1244 output.println("#ifdef RAWDEBUG");
1245 output.println("raw_test_pass(0xecff);");
1246 output.println("#endif");
1247 output.println("raw_user_interrupts_on();");
1248 output.println("#endif");
1249 outputTransCode(output);
1251 output.println("return;");