2 import IR.Tree.FlagExpressionNode;
3 import IR.Tree.DNFFlag;
4 import IR.Tree.DNFFlagAtom;
5 import IR.Tree.TagExpressionList;
11 import Analysis.TaskStateAnalysis.FlagState;
12 import Analysis.TaskStateAnalysis.FlagComparator;
13 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
14 import Analysis.TaskStateAnalysis.Predicate;
15 import Analysis.TaskStateAnalysis.SafetyAnalysis;
16 import Analysis.TaskStateAnalysis.TaskIndex;
17 import Analysis.Locality.LocalityAnalysis;
18 import Analysis.Locality.LocalityBinding;
19 import Analysis.Prefetch.*;
21 public class BuildCode {
24 Hashtable paramstable;
29 String localsprefix="___locals___";
30 String paramsprefix="___params___";
31 String oidstr="___nextobject___";
32 String nextobjstr="___nextobject___";
33 String localcopystr="___localcopy___";
34 public static boolean GENERATEPRECISEGC=false;
35 public static String PREFIX="";
36 public static String arraytype="ArrayObject";
37 public static int flagcount = 0;
40 protected int maxtaskparams=0;
41 private int maxcount=0;
42 ClassDescriptor[] cdarray;
43 TypeDescriptor[] arraytable;
44 LocalityAnalysis locality;
45 Hashtable<TempDescriptor, TempDescriptor> backuptable;
46 Hashtable<LocalityBinding, TempDescriptor> reverttable;
50 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
51 this(st, temptovar, typeutil, null, sa, pa);
54 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
55 this(st, temptovar, typeutil, locality, null, pa);
58 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa) {
62 this.temptovar=temptovar;
63 paramstable=new Hashtable();
64 tempstable=new Hashtable();
65 fieldorder=new Hashtable();
66 flagorder=new Hashtable();
67 this.typeutil=typeutil;
68 virtualcalls=new Virtual(state,locality);
70 this.locality=locality;
71 this.backuptable=new Hashtable<TempDescriptor, TempDescriptor>();
72 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
76 /** The buildCode method outputs C code for all the methods. The Flat
77 * versions of the methods must already be generated and stored in
78 * the State object. */
80 public void buildCode() {
81 /* Create output streams to write to */
82 PrintWriter outclassdefs=null;
83 PrintWriter outstructs=null;
84 PrintWriter outrepairstructs=null;
85 PrintWriter outmethodheader=null;
86 PrintWriter outmethod=null;
87 PrintWriter outvirtual=null;
88 PrintWriter outtask=null;
89 PrintWriter outtaskdefs=null;
90 PrintWriter outoptionalarrays=null;
91 PrintWriter optionalheaders=null;
94 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
95 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
96 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
97 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
98 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
100 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
101 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
102 if (state.OPTIONAL) {
103 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
104 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
107 if (state.structfile!=null) {
108 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
110 } catch (Exception e) {
115 /* Build the virtual dispatch tables */
116 buildVirtualTables(outvirtual);
118 /* Output includes */
119 outmethodheader.println("#ifndef METHODHEADERS_H");
120 outmethodheader.println("#define METHODHEADERS_H");
121 outmethodheader.println("#include \"structdefs.h\"");
123 outmethodheader.println("#include \"dstm.h\"");
125 /* Output Structures */
126 outputStructs(outstructs);
128 // Output the C class declarations
129 // These could mutually reference each other
130 outputClassDeclarations(outclassdefs);
132 // Output function prototypes and structures for parameters
133 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
134 while(it.hasNext()) {
135 ClassDescriptor cn=(ClassDescriptor)it.next();
136 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
138 outclassdefs.close();
141 /* Map flags to integers */
142 /* The runtime keeps track of flags using these integers */
143 it=state.getClassSymbolTable().getDescriptorsIterator();
144 while(it.hasNext()) {
145 ClassDescriptor cn=(ClassDescriptor)it.next();
149 generateTaskStructs(outstructs, outmethodheader);
151 /* Outputs generic task structures if this is a task
153 outputTaskTypes(outtask);
156 /* Build the actual methods */
157 outputMethods(outmethod);
160 /* Output code for tasks */
161 outputTaskCode(outtaskdefs, outmethod);
163 /* Record maximum number of task parameters */
164 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
165 } else if (state.main!=null) {
166 /* Generate main method */
167 outputMainMethod(outmethod);
170 /* Generate information for task with optional parameters */
171 if (state.TASK&&state.OPTIONAL) {
172 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
173 outoptionalarrays.close();
176 /* Output structure definitions for repair tool */
177 if (state.structfile!=null) {
178 buildRepairStructs(outrepairstructs);
179 outrepairstructs.close();
183 outmethodheader.println("#endif");
184 outmethodheader.close();
186 outstructs.println("#endif");
190 /* This code just generates the main C method for java programs.
191 * The main C method packs up the arguments into a string array
192 * and passes it to the java main method. */
194 private void outputMainMethod(PrintWriter outmethod) {
195 outmethod.println("int main(int argc, const char *argv[]) {");
196 outmethod.println(" int i;");
197 outmethod.println("#ifdef TRANSSTATS \n");
198 outmethod.println("handle();\n");
199 outmethod.println("#endif\n");
200 if (state.THREAD||state.DSM) {
201 outmethod.println("initializethreads();");
204 outmethod.println("if (dstmStartup(argv[1])) {");
205 if (GENERATEPRECISEGC) {
206 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
208 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
211 if (GENERATEPRECISEGC) {
212 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
214 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
218 outmethod.println(" for(i=2;i<argc;i++) {");
220 outmethod.println(" for(i=1;i<argc;i++) {");
221 outmethod.println(" int length=strlen(argv[i]);");
222 if (GENERATEPRECISEGC) {
223 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
225 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
228 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
230 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
231 outmethod.println(" }");
234 MethodDescriptor md=typeutil.getMain();
235 ClassDescriptor cd=typeutil.getMainClass();
237 outmethod.println(" {");
238 if (GENERATEPRECISEGC) {
240 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
242 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
243 outmethod.println("1, NULL,"+"stringarray};");
245 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
247 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
250 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
252 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
254 outmethod.println(" }");
257 outmethod.println("}");
260 if (state.THREAD||state.DSM) {
261 outmethod.println("pthread_mutex_lock(&gclistlock);");
262 outmethod.println("threadcount--;");
263 outmethod.println("pthread_cond_signal(&gccond);");
264 outmethod.println("pthread_mutex_unlock(&gclistlock);");
266 outmethod.println("pthread_exit(NULL);");
269 outmethod.println("#ifdef TRANSSTATS \n");
270 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
271 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
272 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
273 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
274 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
275 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
276 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
277 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
278 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
279 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
280 outmethod.println("#endif\n");
281 outmethod.println("}");
285 /* This method outputs code for each task. */
287 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
288 /* Compile task based program */
289 outtaskdefs.println("#include \"task.h\"");
290 outtaskdefs.println("#include \"methodheaders.h\"");
291 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
292 while(taskit.hasNext()) {
293 TaskDescriptor td=(TaskDescriptor)taskit.next();
294 FlatMethod fm=state.getMethodFlat(td);
295 generateFlatMethod(fm, null, outmethod);
296 generateTaskDescriptor(outtaskdefs, fm, td);
299 //Output task descriptors
300 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
301 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
303 while(taskit.hasNext()) {
304 TaskDescriptor td=(TaskDescriptor)taskit.next();
308 outtaskdefs.println(",");
309 outtaskdefs.print("&task_"+td.getSafeSymbol());
311 outtaskdefs.println("};");
313 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
316 /* This method outputs most of the methods.c file. This includes
317 * some standard includes and then an array with the sizes of
318 * objets and array that stores supertype and then the code for
319 * the Java methods.. */
321 protected void outputMethods(PrintWriter outmethod) {
322 outmethod.println("#include \"methodheaders.h\"");
323 outmethod.println("#include \"virtualtable.h\"");
324 outmethod.println("#include \"runtime.h\"");
326 outmethod.println("#include \"addPrefetchEnhance.h\"");
327 outmethod.println("#include \"localobjects.h\"");
329 if(state.MULTICORE) {
330 outmethod.println("#include \"task.h\"");
332 if (state.THREAD||state.DSM)
333 outmethod.println("#include <thread.h>");
334 if (state.main!=null) {
335 outmethod.println("#include <string.h>");
337 if (state.CONSCHECK) {
338 outmethod.println("#include \"checkers.h\"");
340 //Store the sizes of classes & array elements
341 generateSizeArray(outmethod);
343 //Store table of supertypes
344 generateSuperTypeTable(outmethod);
346 //Store the layout of classes
347 generateLayoutStructs(outmethod);
349 /* Generate code for methods */
351 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
352 LocalityBinding lb=lbit.next();
353 MethodDescriptor md=lb.getMethod();
354 FlatMethod fm=state.getMethodFlat(md);
355 if (!md.getModifiers().isNative()) {
356 generateFlatMethod(fm, lb, outmethod);
360 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
361 while(classit.hasNext()) {
362 ClassDescriptor cn=(ClassDescriptor)classit.next();
363 Iterator methodit=cn.getMethods();
364 while(methodit.hasNext()) {
365 /* Classify parameters */
366 MethodDescriptor md=(MethodDescriptor)methodit.next();
367 FlatMethod fm=state.getMethodFlat(md);
368 if (!md.getModifiers().isNative()) {
369 generateFlatMethod(fm, null, outmethod);
376 protected void outputStructs(PrintWriter outstructs) {
377 outstructs.println("#ifndef STRUCTDEFS_H");
378 outstructs.println("#define STRUCTDEFS_H");
379 outstructs.println("#include \"classdefs.h\"");
381 /* Output #defines that the runtime uses to determine type
382 * numbers for various objects it needs */
383 outstructs.println("#define MAXCOUNT "+maxcount);
385 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
386 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
387 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
390 outstructs.println("#define STRINGARRAYTYPE "+
391 (state.getArrayNumber(
392 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
394 outstructs.println("#define OBJECTARRAYTYPE "+
395 (state.getArrayNumber(
396 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
399 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
400 outstructs.println("#define CHARARRAYTYPE "+
401 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
403 outstructs.println("#define BYTEARRAYTYPE "+
404 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
406 outstructs.println("#define BYTEARRAYARRAYTYPE "+
407 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
409 outstructs.println("#define NUMCLASSES "+state.numClasses());
411 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
412 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
413 outstructs.println("#define TAGARRAYTYPE "+
414 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
418 protected void outputClassDeclarations(PrintWriter outclassdefs) {
419 if (state.THREAD||state.DSM)
420 outclassdefs.println("#include <pthread.h>");
422 outclassdefs.println("#include \"optionalstruct.h\"");
423 outclassdefs.println("struct "+arraytype+";");
424 /* Start by declaring all structs */
425 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
426 while(it.hasNext()) {
427 ClassDescriptor cn=(ClassDescriptor)it.next();
428 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
430 outclassdefs.println("");
431 //Print out definition for array type
432 outclassdefs.println("struct "+arraytype+" {");
433 outclassdefs.println(" int type;");
435 outclassdefs.println(" pthread_t tid;");
436 outclassdefs.println(" void * lockentry;");
437 outclassdefs.println(" int lockcount;");
440 outclassdefs.println(" int flag;");
441 if(!state.MULTICORE) {
442 outclassdefs.println(" void * flagptr;");
444 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
445 outclassdefs.println(" int version;");
446 outclassdefs.println(" struct ___Object___ * original;");
447 outclassdefs.println(" int numlocks;"); // array for locks
448 outclassdefs.println(" int * locks;");
451 outclassdefs.println(" int numfses;");
452 outclassdefs.println(" int * fses;");
455 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
457 outclassdefs.println(" int ___length___;");
458 outclassdefs.println("};\n");
459 outclassdefs.println("extern int classsize[];");
460 outclassdefs.println("extern int hasflags[];");
461 outclassdefs.println("extern unsigned int * pointerarray[];");
462 outclassdefs.println("extern int supertypes[];");
465 /** 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("struct parameterdescriptor {");
471 outtask.println("int type;");
472 outtask.println("int numberterms;");
473 outtask.println("int *intarray;");
474 outtask.println("void * queue;");
475 outtask.println("int numbertags;");
476 outtask.println("int *tagarray;");
477 outtask.println("};");
479 outtask.println("struct taskdescriptor {");
480 outtask.println("void * taskptr;");
481 outtask.println("int numParameters;");
482 outtask.println(" int numTotal;");
483 outtask.println("struct parameterdescriptor **descriptorarray;");
484 outtask.println("char * name;");
485 outtask.println("};");
486 outtask.println("extern struct taskdescriptor * taskarray[];");
487 outtask.println("extern numtasks;");
488 outtask.println("#endif");
492 private void buildRepairStructs(PrintWriter outrepairstructs) {
493 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
494 while(classit.hasNext()) {
495 ClassDescriptor cn=(ClassDescriptor)classit.next();
496 outrepairstructs.println("structure "+cn.getSymbol()+" {");
497 outrepairstructs.println(" int __type__;");
499 outrepairstructs.println(" int __flag__;");
500 if(!state.MULTICORE) {
501 outrepairstructs.println(" int __flagptr__;");
504 printRepairStruct(cn, outrepairstructs);
505 outrepairstructs.println("}\n");
508 for(int i=0; i<state.numArrays(); i++) {
509 TypeDescriptor tdarray=arraytable[i];
510 TypeDescriptor tdelement=tdarray.dereference();
511 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
512 outrepairstructs.println(" int __type__;");
513 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
514 outrepairstructs.println(" int length;");
516 // Need to add support to repair tool for this
517 if (tdelement.isClass()||tdelement.isArray())
518 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
520 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
522 outrepairstructs.println("}\n");
526 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
527 ClassDescriptor sp=cn.getSuperDesc();
529 printRepairStruct(sp, output);
531 Vector fields=(Vector)fieldorder.get(cn);
533 for(int i=0; i<fields.size(); i++) {
534 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
535 if (fd.getType().isArray()) {
536 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
537 } else if (fd.getType().isClass())
538 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
539 else if (fd.getType().isFloat())
540 output.println(" int "+fd.getSymbol()+"; /* really float */");
542 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
546 /** This method outputs TaskDescriptor information */
547 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
548 for (int i=0; i<task.numParameters(); i++) {
549 VarDescriptor param_var=task.getParameter(i);
550 TypeDescriptor param_type=task.getParamType(i);
551 FlagExpressionNode param_flag=task.getFlag(param_var);
552 TagExpressionList param_tag=task.getTag(param_var);
555 if (param_flag==null) {
556 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
557 output.println("0x0, 0x0 };");
560 DNFFlag dflag=param_flag.getDNF();
561 dnfterms=dflag.size();
563 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
564 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
565 for(int j=0; j<dflag.size(); j++) {
568 Vector term=dflag.get(j);
571 for(int k=0; k<term.size(); k++) {
572 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
573 FlagDescriptor fd=dfa.getFlag();
574 boolean negated=dfa.getNegated();
575 int flagid=1<<((Integer)flags.get(fd)).intValue();
580 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
582 output.println("};");
585 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
586 //BUG...added next line to fix, test with any task program
588 for(int j=0; j<param_tag.numTags(); j++) {
591 /* for each tag we need */
592 /* which slot it is */
593 /* what type it is */
594 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
595 TempDescriptor tmp=param_tag.getTemp(j);
596 int slot=fm.getTagInt(tmp);
597 output.println(slot+", "+state.getTagId(tvd.getTag()));
599 output.println("};");
601 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
602 output.println("/* type */"+param_type.getClassDesc().getId()+",");
603 output.println("/* number of DNF terms */"+dnfterms+",");
604 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
605 output.println("0,");
606 //BUG, added next line to fix and else statement...test
607 //with any task program
609 output.println("/* number of tags */"+param_tag.numTags()+",");
611 output.println("/* number of tags */ 0,");
612 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
613 output.println("};");
617 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
618 for (int i=0; i<task.numParameters(); i++) {
621 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
623 output.println("};");
625 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
626 output.println("&"+task.getSafeSymbol()+",");
627 output.println("/* number of parameters */" +task.numParameters() + ",");
628 int numtotal=task.numParameters()+fm.numTags();
629 output.println("/* number total parameters */" +numtotal + ",");
630 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
631 output.println("\""+task.getSymbol()+"\"");
632 output.println("};");
636 /** The buildVirtualTables method outputs the virtual dispatch
637 * tables for methods. */
639 protected void buildVirtualTables(PrintWriter outvirtual) {
640 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
641 while(classit.hasNext()) {
642 ClassDescriptor cd=(ClassDescriptor)classit.next();
643 if (virtualcalls.getMethodCount(cd)>maxcount)
644 maxcount=virtualcalls.getMethodCount(cd);
646 MethodDescriptor[][] virtualtable=null;
647 LocalityBinding[][] lbvirtualtable=null;
649 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
651 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
653 /* Fill in virtual table */
654 classit=state.getClassSymbolTable().getDescriptorsIterator();
655 while(classit.hasNext()) {
656 ClassDescriptor cd=(ClassDescriptor)classit.next();
658 fillinRow(cd, lbvirtualtable, cd.getId());
660 fillinRow(cd, virtualtable, cd.getId());
663 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
664 Iterator arrayit=state.getArrayIterator();
665 while(arrayit.hasNext()) {
666 TypeDescriptor td=(TypeDescriptor)arrayit.next();
667 int id=state.getArrayNumber(td);
669 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
671 fillinRow(objectcd, virtualtable, id+state.numClasses());
674 outvirtual.print("void * virtualtable[]={");
675 boolean needcomma=false;
676 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
677 for(int j=0; j<maxcount; j++) {
679 outvirtual.print(", ");
680 if (state.DSM&&lbvirtualtable[i][j]!=null) {
681 LocalityBinding lb=lbvirtualtable[i][j];
682 MethodDescriptor md=lb.getMethod();
683 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
684 } else if (!state.DSM&&virtualtable[i][j]!=null) {
685 MethodDescriptor md=virtualtable[i][j];
686 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
688 outvirtual.print("0");
692 outvirtual.println("");
694 outvirtual.println("};");
698 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
699 /* Get inherited methods */
700 if (cd.getSuperDesc()!=null)
701 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
702 /* Override them with our methods */
703 for(Iterator it=cd.getMethods(); it.hasNext();) {
704 MethodDescriptor md=(MethodDescriptor)it.next();
705 if (md.isStatic()||md.getReturnType()==null)
707 int methodnum=virtualcalls.getMethodNumber(md);
708 virtualtable[rownum][methodnum]=md;
712 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
713 /* Get inherited methods */
714 if (cd.getSuperDesc()!=null)
715 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
716 /* Override them with our methods */
717 if (locality.getClassBindings(cd)!=null)
718 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
719 LocalityBinding lb=lbit.next();
720 MethodDescriptor md=lb.getMethod();
721 //Is the method static or a constructor
722 if (md.isStatic()||md.getReturnType()==null)
724 int methodnum=virtualcalls.getLocalityNumber(lb);
725 virtualtable[rownum][methodnum]=lb;
730 /** Generate array that contains the sizes of class objects. The
731 * object allocation functions in the runtime use this
734 private void generateSizeArray(PrintWriter outclassdefs) {
735 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
736 outclassdefs.print("#ifdef TRANSSTATS \n");
737 outclassdefs.print("extern int numTransAbort;\n");
738 outclassdefs.print("extern int numTransCommit;\n");
739 outclassdefs.print("extern int nchashSearch;\n");
740 outclassdefs.print("extern int nmhashSearch;\n");
741 outclassdefs.print("extern int nprehashSearch;\n");
742 outclassdefs.print("extern int nRemoteSend;\n");
743 outclassdefs.print("extern int nSoftAbort;\n");
744 outclassdefs.print("extern int bytesSent;\n");
745 outclassdefs.print("extern int bytesRecv;\n");
746 outclassdefs.print("extern void handle();\n");
747 outclassdefs.print("#endif\n");
748 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
750 outclassdefs.print("int classsize[]={");
751 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
752 cdarray=new ClassDescriptor[state.numClasses()];
753 while(it.hasNext()) {
754 ClassDescriptor cd=(ClassDescriptor)it.next();
755 cdarray[cd.getId()]=cd;
757 boolean needcomma=false;
758 for(int i=0; i<state.numClasses(); i++) {
760 outclassdefs.print(", ");
761 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
765 arraytable=new TypeDescriptor[state.numArrays()];
767 Iterator arrayit=state.getArrayIterator();
768 while(arrayit.hasNext()) {
769 TypeDescriptor td=(TypeDescriptor)arrayit.next();
770 int id=state.getArrayNumber(td);
774 for(int i=0; i<state.numArrays(); i++) {
776 outclassdefs.print(", ");
777 TypeDescriptor tdelement=arraytable[i].dereference();
778 if (tdelement.isArray()||tdelement.isClass())
779 outclassdefs.print("sizeof(void *)");
781 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
785 outclassdefs.println("};");
788 /** Constructs params and temp objects for each method or task.
789 * These objects tell the compiler which temps need to be
792 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
793 MethodDescriptor md=fm.getMethod();
794 TaskDescriptor task=fm.getTask();
795 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
796 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
799 paramstable.put(lb, objectparams);
801 paramstable.put(md, objectparams);
803 paramstable.put(task, objectparams);
805 for(int i=0; i<fm.numParameters(); i++) {
806 TempDescriptor temp=fm.getParameter(i);
807 TypeDescriptor type=temp.getType();
808 if (type.isPtr()&&GENERATEPRECISEGC)
809 objectparams.addPtr(temp);
811 objectparams.addPrim(temp);
812 if(lb!=null&&saveset.contains(temp)) {
813 backuptable.put(temp, temp.createNew());
817 for(int i=0; i<fm.numTags(); i++) {
818 TempDescriptor temp=fm.getTag(i);
819 if (GENERATEPRECISEGC)
820 objectparams.addPtr(temp);
822 objectparams.addPrim(temp);
825 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
827 tempstable.put(lb, objecttemps);
829 tempstable.put(md, objecttemps);
831 tempstable.put(task, objecttemps);
833 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
834 FlatNode fn=(FlatNode)nodeit.next();
835 TempDescriptor[] writes=fn.writesTemps();
836 for(int i=0; i<writes.length; i++) {
837 TempDescriptor temp=writes[i];
838 TypeDescriptor type=temp.getType();
839 if (type.isPtr()&&GENERATEPRECISEGC)
840 objecttemps.addPtr(temp);
842 objecttemps.addPrim(temp);
843 if(lb!=null&&saveset.contains(temp)&&
844 !backuptable.containsKey(temp))
845 backuptable.put(temp, temp.createNew());
849 /* Create backup temps */
851 for(Iterator<TempDescriptor> tmpit=backuptable.values().iterator(); tmpit.hasNext();) {
852 TempDescriptor tmp=tmpit.next();
853 TypeDescriptor type=tmp.getType();
854 if (type.isPtr()&&GENERATEPRECISEGC)
855 objecttemps.addPtr(tmp);
857 objecttemps.addPrim(tmp);
859 /* Create temp to hold revert table */
860 if (lb.getHasAtomic()||lb.isAtomic()) {
861 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
862 if (GENERATEPRECISEGC)
863 objecttemps.addPtr(reverttmp);
865 objecttemps.addPrim(reverttmp);
866 reverttable.put(lb, reverttmp);
871 /** This method outputs the following information about classes
873 * (1) For classes, what are the locations of pointers.
874 * (2) For arrays, does the array contain pointers or primitives.
875 * (3) For classes, does the class contain flags.
878 private void generateLayoutStructs(PrintWriter output) {
879 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
880 while(it.hasNext()) {
881 ClassDescriptor cn=(ClassDescriptor)it.next();
882 output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
883 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
885 while(allit.hasNext()) {
886 FieldDescriptor fd=(FieldDescriptor)allit.next();
887 TypeDescriptor type=fd.getType();
888 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
894 allit=cn.getFieldTable().getAllDescriptorsIterator();
895 while(allit.hasNext()) {
896 FieldDescriptor fd=(FieldDescriptor)allit.next();
897 TypeDescriptor type=fd.getType();
898 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
902 output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
905 output.println("};");
907 output.println("unsigned int * pointerarray[]={");
908 boolean needcomma=false;
909 for(int i=0; i<state.numClasses(); i++) {
910 ClassDescriptor cn=cdarray[i];
914 output.print(cn.getSafeSymbol()+"_pointers");
917 for(int i=0; i<state.numArrays(); i++) {
919 output.println(", ");
920 TypeDescriptor tdelement=arraytable[i].dereference();
921 if (tdelement.isArray()||tdelement.isClass())
922 output.print("((unsigned int *)1)");
928 output.println("};");
930 output.println("int hasflags[]={");
931 for(int i=0; i<state.numClasses(); i++) {
932 ClassDescriptor cn=cdarray[i];
934 output.println(", ");
941 output.println("};");
944 /** Print out table to give us supertypes */
945 private void generateSuperTypeTable(PrintWriter output) {
946 output.println("int supertypes[]={");
947 boolean needcomma=false;
948 for(int i=0; i<state.numClasses(); i++) {
949 ClassDescriptor cn=cdarray[i];
953 if (cn.getSuperDesc()!=null) {
954 ClassDescriptor cdsuper=cn.getSuperDesc();
955 output.print(cdsuper.getId());
959 output.println("};");
962 /** Force consistent field ordering between inherited classes. */
964 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
966 ClassDescriptor sp=cn.getSuperDesc();
968 printClassStruct(sp, classdefout);
970 if (!fieldorder.containsKey(cn)) {
971 Vector fields=new Vector();
972 fieldorder.put(cn,fields);
973 if (sp==null&&!state.TASK) {
974 fields.add(cn.getFieldTable().get("cachedCode"));
976 Iterator fieldit=cn.getFields();
977 while(fieldit.hasNext()) {
978 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
979 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
980 (!fd.getSymbol().equals("cachedCode")||state.TASK))
984 Vector fields=(Vector)fieldorder.get(cn);
986 for(int i=0; i<fields.size(); i++) {
987 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
988 if (fd.getType().isClass()||fd.getType().isArray())
989 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
991 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
996 /* Map flags to integers consistently between inherited
999 protected void mapFlags(ClassDescriptor cn) {
1000 ClassDescriptor sp=cn.getSuperDesc();
1004 if (!flagorder.containsKey(cn)) {
1005 Hashtable flags=new Hashtable();
1006 flagorder.put(cn,flags);
1008 Hashtable superflags=(Hashtable)flagorder.get(sp);
1009 Iterator superflagit=superflags.keySet().iterator();
1010 while(superflagit.hasNext()) {
1011 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1012 Integer number=(Integer)superflags.get(fd);
1013 flags.put(fd, number);
1014 if ((number.intValue()+1)>max)
1015 max=number.intValue()+1;
1019 Iterator flagit=cn.getFlags();
1020 while(flagit.hasNext()) {
1021 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1022 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1023 flags.put(fd, new Integer(max++));
1029 /** This function outputs (1) structures that parameters are
1030 * passed in (when PRECISE GC is enabled) and (2) function
1031 * prototypes for the methods */
1033 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1034 /* Output class structure */
1035 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1036 classdefout.println(" int type;");
1038 classdefout.println(" pthread_t tid;");
1039 classdefout.println(" void * lockentry;");
1040 classdefout.println(" int lockcount;");
1044 classdefout.println(" int flag;");
1045 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1046 classdefout.println(" void * flagptr;");
1047 } else if (state.MULTICORE) {
1048 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1049 classdefout.println(" int version;");
1050 classdefout.println(" struct ___Object___ * original;");
1051 classdefout.println(" int numlocks;"); // array for locks
1052 classdefout.println(" int * locks;");
1054 if (state.OPTIONAL) {
1055 classdefout.println(" int numfses;");
1056 classdefout.println(" int * fses;");
1059 printClassStruct(cn, classdefout);
1060 classdefout.println("};\n");
1063 /* Cycle through LocalityBindings */
1064 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1065 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1067 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1068 LocalityBinding lb=lbit.next();
1069 MethodDescriptor md=lb.getMethod();
1070 if (md.getModifiers().isNative()) {
1071 //make sure we only print a native method once
1072 if (nativemethods.contains(md)) {
1073 FlatMethod fm=state.getMethodFlat(md);
1074 generateTempStructs(fm, lb);
1077 nativemethods.add(md);
1079 generateMethod(cn, md, lb, headersout, output);
1082 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1083 MethodDescriptor md=(MethodDescriptor)methodit.next();
1084 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1085 //Need to build param structure for library code
1086 FlatMethod fm=state.getMethodFlat(md);
1087 generateTempStructs(fm, null);
1088 generateMethodParam(cn, md, null, output);
1093 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1094 MethodDescriptor md=(MethodDescriptor)methodit.next();
1095 generateMethod(cn, md, null, headersout, output);
1099 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1100 /* Output parameter structure */
1101 if (GENERATEPRECISEGC) {
1102 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1103 if (state.DSM&&lb!=null)
1104 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1106 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1107 output.println(" int size;");
1108 output.println(" void * next;");
1109 for(int i=0; i<objectparams.numPointers(); i++) {
1110 TempDescriptor temp=objectparams.getPointer(i);
1111 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1113 output.println("};\n");
1118 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1119 FlatMethod fm=state.getMethodFlat(md);
1120 generateTempStructs(fm, lb);
1122 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1123 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1125 generateMethodParam(cn, md, lb, output);
1127 /* Output temp structure */
1128 if (GENERATEPRECISEGC) {
1130 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1132 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1133 output.println(" int size;");
1134 output.println(" void * next;");
1135 for(int i=0; i<objecttemps.numPointers(); i++) {
1136 TempDescriptor temp=objecttemps.getPointer(i);
1137 if (temp.getType().isNull())
1138 output.println(" void * "+temp.getSafeSymbol()+";");
1140 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1142 output.println("};\n");
1145 /********* Output method declaration ***********/
1147 /* First the return type */
1148 if (md.getReturnType()!=null) {
1149 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1150 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1152 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1154 //catch the constructor case
1155 headersout.print("void ");
1157 /* Next the method name */
1159 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1161 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1163 boolean printcomma=false;
1164 if (GENERATEPRECISEGC) {
1166 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1168 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1172 if (state.DSM&&lb.isAtomic()&&!md.getModifiers().isNative()) {
1174 headersout.print(", ");
1175 headersout.print("transrecord_t * trans");
1179 /* Output parameter list*/
1180 for(int i=0; i<objectparams.numPrimitives(); i++) {
1181 TempDescriptor temp=objectparams.getPrimitive(i);
1183 headersout.print(", ");
1185 if (temp.getType().isClass()||temp.getType().isArray())
1186 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1188 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1190 headersout.println(");\n");
1194 /** This function outputs (1) structures that parameters are
1195 * passed in (when PRECISE GC is enabled) and (2) function
1196 * prototypes for the tasks */
1198 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1199 /* Cycle through tasks */
1200 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1202 while(taskit.hasNext()) {
1203 /* Classify parameters */
1204 TaskDescriptor task=(TaskDescriptor)taskit.next();
1205 FlatMethod fm=state.getMethodFlat(task);
1206 generateTempStructs(fm, null);
1208 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1209 TempObject objecttemps=(TempObject) tempstable.get(task);
1211 /* Output parameter structure */
1212 if (GENERATEPRECISEGC) {
1213 output.println("struct "+task.getSafeSymbol()+"_params {");
1215 output.println(" int size;");
1216 output.println(" void * next;");
1217 for(int i=0; i<objectparams.numPointers(); i++) {
1218 TempDescriptor temp=objectparams.getPointer(i);
1219 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1222 output.println("};\n");
1223 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1224 maxtaskparams=objectparams.numPointers()+fm.numTags();
1228 /* Output temp structure */
1229 if (GENERATEPRECISEGC) {
1230 output.println("struct "+task.getSafeSymbol()+"_locals {");
1231 output.println(" int size;");
1232 output.println(" void * next;");
1233 for(int i=0; i<objecttemps.numPointers(); i++) {
1234 TempDescriptor temp=objecttemps.getPointer(i);
1235 if (temp.getType().isNull())
1236 output.println(" void * "+temp.getSafeSymbol()+";");
1237 else if(temp.getType().isTag())
1238 output.println(" struct "+
1239 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1241 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1243 output.println("};\n");
1246 /* Output task declaration */
1247 headersout.print("void " + task.getSafeSymbol()+"(");
1249 boolean printcomma=false;
1250 if (GENERATEPRECISEGC) {
1251 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1253 headersout.print("void * parameterarray[]");
1254 headersout.println(");\n");
1258 /***** Generate code for FlatMethod fm. *****/
1260 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1261 if (State.PRINTFLAT)
1262 System.out.println(fm.printMethod());
1263 MethodDescriptor md=fm.getMethod();
1265 TaskDescriptor task=fm.getTask();
1267 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1269 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1270 generateHeader(fm, lb, md!=null ? md : task,output);
1271 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1272 if (state.DSM&&lb.getHasAtomic()) {
1273 output.println("transrecord_t * trans;");
1276 if (GENERATEPRECISEGC) {
1277 if (md!=null&&state.DSM)
1278 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1279 else if (md!=null&&!state.DSM)
1280 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1282 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1284 output.print(objecttemp.numPointers()+",");
1285 output.print(paramsprefix);
1286 for(int j=0; j<objecttemp.numPointers(); j++)
1287 output.print(", NULL");
1288 output.println("};");
1291 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1292 TempDescriptor td=objecttemp.getPrimitive(i);
1293 TypeDescriptor type=td.getType();
1295 output.println(" void * "+td.getSafeSymbol()+";");
1296 else if (type.isClass()||type.isArray())
1297 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1299 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1302 /* Assign labels to FlatNode's if necessary.*/
1304 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(fm);
1306 /* Check to see if we need to do a GC if this is a
1307 * multi-threaded program...*/
1309 if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
1310 if (state.DSM&&lb.isAtomic())
1311 output.println("checkcollect2(&"+localsprefix+",trans);");
1313 output.println("checkcollect(&"+localsprefix+");");
1316 /* Do the actual code generation */
1317 FlatNode current_node=null;
1318 HashSet tovisit=new HashSet();
1319 HashSet visited=new HashSet();
1320 tovisit.add(fm.getNext(0));
1321 while(current_node!=null||!tovisit.isEmpty()) {
1322 if (current_node==null) {
1323 current_node=(FlatNode)tovisit.iterator().next();
1324 tovisit.remove(current_node);
1326 visited.add(current_node);
1327 if (nodetolabel.containsKey(current_node))
1328 output.println("L"+nodetolabel.get(current_node)+":");
1329 if (state.INSTRUCTIONFAILURE) {
1330 if (state.THREAD||state.DSM) {
1331 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1333 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1335 if (current_node.numNext()==0) {
1337 generateFlatNode(fm, lb, current_node, output);
1338 if (current_node.kind()!=FKind.FlatReturnNode) {
1339 output.println(" return;");
1342 } else if(current_node.numNext()==1) {
1344 generateFlatNode(fm, lb, current_node, output);
1345 FlatNode nextnode=current_node.getNext(0);
1346 if (visited.contains(nextnode)) {
1347 output.println("goto L"+nodetolabel.get(nextnode)+";");
1350 current_node=nextnode;
1351 } else if (current_node.numNext()==2) {
1354 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1355 if (!visited.contains(current_node.getNext(1)))
1356 tovisit.add(current_node.getNext(1));
1357 if (visited.contains(current_node.getNext(0))) {
1358 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1361 current_node=current_node.getNext(0);
1362 } else throw new Error();
1364 output.println("}\n\n");
1367 /** This method assigns labels to FlatNodes */
1369 protected Hashtable<FlatNode, Integer> assignLabels(FlatMethod fm) {
1370 HashSet tovisit=new HashSet();
1371 HashSet visited=new HashSet();
1373 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1374 tovisit.add(fm.getNext(0));
1376 /*Assign labels first. A node needs a label if the previous
1377 * node has two exits or this node is a join point. */
1379 while(!tovisit.isEmpty()) {
1380 FlatNode fn=(FlatNode)tovisit.iterator().next();
1383 for(int i=0; i<fn.numNext(); i++) {
1384 FlatNode nn=fn.getNext(i);
1386 //1) Edge >1 of node
1387 nodetolabel.put(nn,new Integer(labelindex++));
1389 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1393 nodetolabel.put(nn,new Integer(labelindex++));
1401 /** Generate text string that corresponds to the TempDescriptor td. */
1402 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1403 MethodDescriptor md=fm.getMethod();
1404 TaskDescriptor task=fm.getTask();
1405 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1407 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1408 return td.getSafeSymbol();
1411 if (objecttemps.isLocalPtr(td)) {
1412 return localsprefix+"."+td.getSafeSymbol();
1415 if (objecttemps.isParamPtr(td)) {
1416 return paramsprefix+"->"+td.getSafeSymbol();
1421 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1423 case FKind.FlatAtomicEnterNode:
1424 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1427 case FKind.FlatAtomicExitNode:
1428 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1431 case FKind.FlatGlobalConvNode:
1432 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1435 case FKind.FlatTagDeclaration:
1436 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1439 case FKind.FlatCall:
1440 generateFlatCall(fm, lb, (FlatCall) fn,output);
1443 case FKind.FlatFieldNode:
1444 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1447 case FKind.FlatElementNode:
1448 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1451 case FKind.FlatSetElementNode:
1452 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1455 case FKind.FlatSetFieldNode:
1456 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1460 generateFlatNew(fm, lb, (FlatNew) fn,output);
1463 case FKind.FlatOpNode:
1464 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1467 case FKind.FlatCastNode:
1468 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1471 case FKind.FlatLiteralNode:
1472 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1475 case FKind.FlatReturnNode:
1476 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1480 output.println("/* nop */");
1483 case FKind.FlatBackEdge:
1484 if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
1485 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1486 output.println("if (needtocollect) checkcollect2(&"+localsprefix+",trans);");
1488 output.println("if (needtocollect) checkcollect(&"+localsprefix+");");
1490 output.println("/* nop */");
1493 case FKind.FlatCheckNode:
1494 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1497 case FKind.FlatFlagActionNode:
1498 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1501 case FKind.FlatPrefetchNode:
1502 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1508 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1509 if (state.PREFETCH) {
1510 Vector oids = new Vector();
1511 Vector fieldoffset = new Vector();
1512 Vector endoffset = new Vector();
1513 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1514 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
1515 PrefetchPair pp = (PrefetchPair) it.next();
1516 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1517 /* Find prefetches that can generate oid */
1518 if(statusbase == LocalityAnalysis.GLOBAL) {
1519 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1521 } else if (statusbase == LocalityAnalysis.LOCAL) {
1522 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1529 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
1530 output.println("{");
1531 output.println("/* prefetch */");
1532 output.println("/* prefetchid_" + fpn.siteid + " */");
1533 output.println("void * prefptr;");
1534 output.println("int tmpindex;");
1536 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1537 /*Create C code for oid array */
1538 output.print(" unsigned int oidarray_[] = {");
1539 boolean needcomma=false;
1540 for (Iterator it = oids.iterator(); it.hasNext();) {
1543 output.print(it.next());
1546 output.println("};");
1548 /*Create C code for endoffset values */
1549 output.print(" unsigned short endoffsetarry_[] = {");
1551 for (Iterator it = endoffset.iterator(); it.hasNext();) {
1554 output.print(it.next());
1557 output.println("};");
1559 /*Create C code for Field Offset Values */
1560 output.print(" short fieldarry_[] = {");
1562 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
1565 output.print(it.next());
1568 output.println("};");
1569 /* make the prefetch call to Runtime */
1570 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1571 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1572 output.println(" }");
1573 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1574 output.println(" } else {");
1575 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1576 output.println(" }");
1577 output.println("}");
1581 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1582 short offsetcount = 0;
1586 } else if (localbase) {
1587 for(; breakindex<pp.desc.size(); breakindex++) {
1588 Descriptor desc=pp.getDescAt(breakindex);
1589 if (desc instanceof FieldDescriptor) {
1590 FieldDescriptor fd=(FieldDescriptor)desc;
1591 if (fd.isGlobal()) {
1599 if (breakindex>pp.desc.size()) //all local
1602 TypeDescriptor lasttype=pp.base.getType();
1603 String basestr=generateTemp(fm, pp.base, lb);
1605 boolean maybenull=fm.getMethod().isStatic()||
1606 !pp.base.equals(fm.getParameter(0));
1608 for(int i=0; i<breakindex; i++) {
1609 String indexcheck="";
1611 Descriptor desc=pp.getDescAt(i);
1612 if (desc instanceof FieldDescriptor) {
1613 FieldDescriptor fd=(FieldDescriptor)desc;
1615 if (!teststr.equals(""))
1617 teststr+="((prefptr="+basestr+")!=NULL)";
1618 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
1620 basestr=basestr+"->"+fd.getSafeSymbol();
1623 lasttype=fd.getType();
1625 IndexDescriptor id=(IndexDescriptor)desc;
1626 indexcheck="((tmpindex=";
1627 for(int j=0; j<id.tddesc.size(); j++) {
1628 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
1630 indexcheck+=id.offset+")>=0)&&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
1632 if (!teststr.equals(""))
1634 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
1635 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
1637 lasttype=lasttype.dereference();
1642 if (teststr.equals("")) {
1643 oid="((unsigned int)"+basestr+")";
1645 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
1649 for(int i = breakindex; i < pp.desc.size(); i++) {
1650 String newfieldoffset;
1651 Object desc = pp.getDescAt(i);
1652 if(desc instanceof FieldDescriptor) {
1653 FieldDescriptor fd=(FieldDescriptor)desc;
1654 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
1655 lasttype=fd.getType();
1657 newfieldoffset = "";
1658 IndexDescriptor id=(IndexDescriptor)desc;
1659 for(int j = 0; j < id.tddesc.size(); j++) {
1660 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
1662 newfieldoffset += id.offset.toString();
1663 lasttype=lasttype.dereference();
1665 fieldoffset.add(newfieldoffset);
1668 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
1669 base+=pp.desc.size()-breakindex;
1670 endoffset.add(new Short((short)base));
1675 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1676 if (lb!=fgcn.getLocality())
1678 /* Have to generate flat globalconv */
1679 if (fgcn.getMakePtr()) {
1680 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)transRead(trans, (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1682 /* Need to convert to OID */
1683 if (fgcn.doConvert()) {
1684 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1686 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
1691 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1692 /* Check to see if we need to generate code for this atomic */
1693 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1695 /* Backup the temps. */
1696 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1697 TempDescriptor tmp=tmpit.next();
1698 output.println(generateTemp(fm, backuptable.get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1700 output.println("goto transstart"+faen.getIdentifier()+";");
1702 /******* Print code to retry aborted transaction *******/
1703 output.println("transretry"+faen.getIdentifier()+":");
1706 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1707 TempDescriptor tmp=tmpit.next();
1708 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(tmp),lb)+";");
1711 /********* Need to revert local object store ********/
1712 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1714 output.println("while ("+revertptr+") {");
1715 output.println("struct ___Object___ * tmpptr;");
1716 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1717 output.println("REVERT_OBJ("+revertptr+");");
1718 output.println(revertptr+"=tmpptr;");
1719 output.println("}");
1721 /******* Tell the runtime to start the transaction *******/
1723 output.println("transstart"+faen.getIdentifier()+":");
1724 output.println("trans=transStart();");
1727 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1728 /* Check to see if we need to generate code for this atomic */
1729 if (locality.getAtomic(lb).get(faen).intValue()>0)
1731 //store the revert list before we lose the transaction object
1732 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1733 output.println(revertptr+"=trans->revertlist;");
1734 output.println("if (transCommit(trans)) {");
1735 /* Transaction aborts if it returns true */
1736 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1737 output.println("} else {");
1738 /* Need to commit local object store */
1739 output.println("while ("+revertptr+") {");
1740 output.println("struct ___Object___ * tmpptr;");
1741 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1742 output.println("COMMIT_OBJ("+revertptr+");");
1743 output.println(revertptr+"=tmpptr;");
1744 output.println("}");
1745 output.println("}");
1748 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
1749 if (state.CONSCHECK) {
1750 String specname=fcn.getSpec();
1751 String varname="repairstate___";
1752 output.println("{");
1753 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1755 TempDescriptor[] temps=fcn.getTemps();
1756 String[] vars=fcn.getVars();
1757 for(int i=0; i<temps.length; i++) {
1758 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
1761 output.println("if (doanalysis"+specname+"("+varname+")) {");
1762 output.println("free"+specname+"_state("+varname+");");
1763 output.println("} else {");
1764 output.println("/* Bad invariant */");
1765 output.println("free"+specname+"_state("+varname+");");
1766 output.println("abort_task();");
1767 output.println("}");
1768 output.println("}");
1772 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
1773 MethodDescriptor md=fc.getMethod();
1774 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM ? locality.getBinding(lb, fc) : md);
1775 ClassDescriptor cn=md.getClassDesc();
1776 output.println("{");
1777 if (GENERATEPRECISEGC) {
1779 LocalityBinding fclb=locality.getBinding(lb, fc);
1780 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1782 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1784 output.print(objectparams.numPointers());
1785 output.print(", & "+localsprefix);
1786 if (md.getThis()!=null) {
1788 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
1790 if (fc.getThis()!=null&&md.getThis()==null) {
1791 System.out.println("WARNING!!!!!!!!!!!!");
1792 System.out.println("Source code calls static method"+md+"on an object in "+fm.getMethod()+"!");
1796 for(int i=0; i<fc.numArgs(); i++) {
1797 Descriptor var=md.getParameter(i);
1798 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1799 if (objectparams.isParamPtr(paramtemp)) {
1800 TempDescriptor targ=fc.getArg(i);
1802 TypeDescriptor td=md.getParamType(i);
1804 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1806 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1809 output.println("};");
1814 if (fc.getReturnTemp()!=null)
1815 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
1817 /* Do we need to do virtual dispatch? */
1818 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
1821 LocalityBinding fclb=locality.getBinding(lb, fc);
1822 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1824 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1829 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1830 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1832 output.print(md.getReturnType().getSafeSymbol()+" ");
1833 output.print("(*)(");
1835 boolean printcomma=false;
1836 if (GENERATEPRECISEGC) {
1838 LocalityBinding fclb=locality.getBinding(lb, fc);
1839 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1841 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1845 for(int i=0; i<objectparams.numPrimitives(); i++) {
1846 TempDescriptor temp=objectparams.getPrimitive(i);
1850 if (temp.getType().isClass()||temp.getType().isArray())
1851 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
1853 output.print(temp.getType().getSafeSymbol());
1856 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()&&!fc.getMethod().getModifiers().isNative()) {
1857 LocalityBinding fclb=locality.getBinding(lb, fc);
1860 output.print("transrecord_t *");
1865 LocalityBinding fclb=locality.getBinding(lb, fc);
1866 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
1868 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
1872 boolean needcomma=false;
1873 if (GENERATEPRECISEGC) {
1874 output.print("&__parameterlist__");
1878 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()&&!fc.getMethod().getModifiers().isNative()) {
1881 output.print("trans");
1885 if (!GENERATEPRECISEGC) {
1886 if (fc.getThis()!=null) {
1887 TypeDescriptor ptd=md.getThis().getType();
1890 if (ptd.isClass()&&!ptd.isArray())
1891 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1892 output.print(generateTemp(fm,fc.getThis(),lb));
1897 for(int i=0; i<fc.numArgs(); i++) {
1898 Descriptor var=md.getParameter(i);
1899 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1900 if (objectparams.isParamPrim(paramtemp)) {
1901 TempDescriptor targ=fc.getArg(i);
1905 TypeDescriptor ptd=md.getParamType(i);
1906 if (ptd.isClass()&&!ptd.isArray())
1907 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1908 output.print(generateTemp(fm, targ,lb));
1912 output.println(");");
1913 output.println(" }");
1916 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
1917 Set subclasses=typeutil.getSubClasses(thiscd);
1918 if (subclasses==null)
1920 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
1921 ClassDescriptor cd=(ClassDescriptor)classit.next();
1922 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
1923 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
1924 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
1925 if (md.matches(matchmd))
1932 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
1934 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
1935 if (status==LocalityAnalysis.GLOBAL) {
1936 String field=ffn.getField().getSafeSymbol();
1937 String src=generateTemp(fm, ffn.getSrc(),lb);
1938 String dst=generateTemp(fm, ffn.getDst(),lb);
1940 if (ffn.getField().getType().isPtr()) {
1942 //TODO: Uncomment this when we have runtime support
1943 //if (ffn.getSrc()==ffn.getDst()) {
1944 //output.println("{");
1945 //output.println("void * temp="+src+";");
1946 //output.println("if (temp&0x1) {");
1947 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
1948 //output.println(src+"->"+field+"="+temp+";");
1949 //output.println("}");
1950 //output.println(dst+"=temp;");
1951 //output.println("}");
1953 output.println(dst+"="+ src +"->"+field+ ";");
1954 //output.println("if ("+dst+"&0x1) {");
1955 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
1956 //output.println(src+"->"+field+"="+src+"->"+field+";");
1957 //output.println("}");
1960 output.println(dst+"="+ src+"->"+field+";");
1962 } else if (status==LocalityAnalysis.LOCAL) {
1963 if (ffn.getField().getType().isPtr()&&
1964 ffn.getField().isGlobal()) {
1965 String field=ffn.getField().getSafeSymbol();
1966 String src=generateTemp(fm, ffn.getSrc(),lb);
1967 String dst=generateTemp(fm, ffn.getDst(),lb);
1968 output.println(dst+"="+ src +"->"+field+ ";");
1969 if (locality.getAtomic(lb).get(ffn).intValue()>0)
1970 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
1972 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1973 } else if (status==LocalityAnalysis.EITHER) {
1974 //Code is reading from a null pointer
1975 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
1976 output.println("#ifndef RAW");
1977 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
1978 output.println("#endif");
1979 //This should throw a suitable null pointer error
1980 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1982 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
1984 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1988 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
1989 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
1990 throw new Error("Can't set array length");
1991 if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
1992 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
1993 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
1994 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
1996 String src=generateTemp(fm,fsfn.getSrc(),lb);
1997 String dst=generateTemp(fm,fsfn.getDst(),lb);
1999 output.println("{");
2000 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2002 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2005 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2007 output.println("*((unsigned int *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2009 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2010 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2011 /** Check if we need to copy */
2012 output.println("if(!"+dst+"->"+localcopystr+") {");
2013 /* Link object into list */
2014 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2015 output.println(revertptr+"=trans->revertlist;");
2016 if (GENERATEPRECISEGC)
2017 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2019 output.println("COPY_OBJ("+dst+");");
2020 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2021 output.println("trans->revertlist=(struct ___Object___ *)"+dst+";");
2022 output.println("}");
2024 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2026 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2027 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2028 //writing to a null...bad
2029 output.println("if ("+dst+") {");
2030 output.println("#ifndef RAW");
2031 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2032 output.println("#endif");
2034 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2036 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2039 output.println("}");
2042 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2046 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2047 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2050 if (elementtype.isArray()||elementtype.isClass())
2053 type=elementtype.getSafeSymbol()+" ";
2055 if (fen.needsBoundsCheck()) {
2056 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2057 output.println("failedboundschk();");
2060 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2061 if (status==LocalityAnalysis.GLOBAL) {
2062 String dst=generateTemp(fm, fen.getDst(),lb);
2064 if (elementtype.isPtr()) {
2065 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2066 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
2068 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2070 } else if (status==LocalityAnalysis.LOCAL) {
2071 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2072 } else if (status==LocalityAnalysis.EITHER) {
2073 //Code is reading from a null pointer
2074 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2075 output.println("#ifndef RAW");
2076 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2077 output.println("#endif");
2078 //This should throw a suitable null pointer error
2079 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2081 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2083 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2087 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2088 //TODO: need dynamic check to make sure this assignment is actually legal
2089 //Because Object[] could actually be something more specific...ie. Integer[]
2091 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2094 if (elementtype.isArray()||elementtype.isClass())
2097 type=elementtype.getSafeSymbol()+" ";
2100 if (fsen.needsBoundsCheck()) {
2101 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2102 output.println("failedboundschk();");
2105 if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2106 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2107 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2108 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2109 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2110 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2113 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2114 } else if (dstlocal) {
2115 /** Check if we need to copy */
2116 String dst=generateTemp(fm, fsen.getDst(),lb);
2117 output.println("if(!"+dst+"->"+localcopystr+") {");
2118 /* Link object into list */
2119 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2120 output.println(revertptr+"=trans->revertlist;");
2121 if (GENERATEPRECISEGC)
2122 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2124 output.println("COPY_OBJ("+dst+");");
2125 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2126 output.println("trans->revertlist=(struct ___Object___ *)"+dst+";");
2127 output.println("}");
2128 } else throw new Error("Unknown array type");
2130 output.println("{");
2131 String src=generateTemp(fm, fsen.getSrc(), lb);
2132 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2133 output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2134 output.println("}");
2136 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2139 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2142 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2143 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2144 //Stash pointer in case of GC
2145 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2146 output.println(revertptr+"=trans->revertlist;");
2148 if (fn.getType().isArray()) {
2149 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2150 if (fn.isGlobal()) {
2151 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal(trans, "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2152 } else if (GENERATEPRECISEGC) {
2153 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2155 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2158 if (fn.isGlobal()) {
2159 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal(trans, "+fn.getType().getClassDesc().getId()+");");
2160 } else if (GENERATEPRECISEGC) {
2161 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2163 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2166 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2167 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2168 output.println("trans->revertlist="+revertptr+";");
2172 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2173 if (GENERATEPRECISEGC) {
2174 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2176 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2180 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2181 if (fon.getRight()!=null) {
2182 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2183 if (fon.getLeft().getType().isLong())
2184 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2186 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2189 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2190 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2191 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2192 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2193 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2194 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2195 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2196 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2197 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2198 else if (fon.getOp().getOp()==Operation.COMP)
2199 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2200 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2201 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2203 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2206 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2207 /* TODO: Do type check here */
2208 if (fcn.getType().isArray()) {
2210 } else if (fcn.getType().isClass())
2211 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2213 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2216 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2217 if (fln.getValue()==null)
2218 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2219 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2220 if (GENERATEPRECISEGC) {
2221 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2222 //Stash pointer in case of GC
2223 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2224 output.println(revertptr+"=trans->revertlist;");
2226 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2227 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2228 //Stash pointer in case of GC
2229 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2230 output.println("trans->revertlist="+revertptr+";");
2233 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2235 } else if (fln.getType().isBoolean()) {
2236 if (((Boolean)fln.getValue()).booleanValue())
2237 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2239 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2240 } else if (fln.getType().isChar()) {
2241 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2242 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2243 } else if (fln.getType().isLong()) {
2244 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2246 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2249 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2250 if (frn.getReturnTemp()!=null) {
2251 if (frn.getReturnTemp().getType().isPtr())
2252 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2254 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2256 output.println("return;");
2260 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2261 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2264 /** This method generates header information for the method or
2265 * task referenced by the Descriptor des. */
2267 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2269 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2270 MethodDescriptor md=null;
2271 TaskDescriptor task=null;
2272 if (des instanceof MethodDescriptor)
2273 md=(MethodDescriptor) des;
2275 task=(TaskDescriptor) des;
2277 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2279 if (md!=null&&md.getReturnType()!=null) {
2280 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2281 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2283 output.print(md.getReturnType().getSafeSymbol()+" ");
2285 //catch the constructor case
2286 output.print("void ");
2289 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2291 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2293 output.print(task.getSafeSymbol()+"(");
2295 boolean printcomma=false;
2296 if (GENERATEPRECISEGC) {
2299 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2301 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2303 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2307 if (state.DSM&&lb.isAtomic()) {
2310 output.print("transrecord_t * trans");
2316 for(int i=0; i<objectparams.numPrimitives(); i++) {
2317 TempDescriptor temp=objectparams.getPrimitive(i);
2321 if (temp.getType().isClass()||temp.getType().isArray())
2322 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2324 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2326 output.println(") {");
2327 } else if (!GENERATEPRECISEGC) {
2328 /* Imprecise Task */
2329 output.println("void * parameterarray[]) {");
2330 /* Unpack variables */
2331 for(int i=0; i<objectparams.numPrimitives(); i++) {
2332 TempDescriptor temp=objectparams.getPrimitive(i);
2333 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2335 for(int i=0; i<fm.numTags(); i++) {
2336 TempDescriptor temp=fm.getTag(i);
2337 int offset=i+objectparams.numPrimitives();
2338 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2341 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2342 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2343 } else output.println(") {");
2346 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2347 output.println("/* FlatFlagActionNode */");
2350 /* Process tag changes */
2351 Relation tagsettable=new Relation();
2352 Relation tagcleartable=new Relation();
2354 Iterator tagsit=ffan.getTempTagPairs();
2355 while (tagsit.hasNext()) {
2356 TempTagPair ttp=(TempTagPair) tagsit.next();
2357 TempDescriptor objtmp=ttp.getTemp();
2358 TagDescriptor tag=ttp.getTag();
2359 TempDescriptor tagtmp=ttp.getTagTemp();
2360 boolean tagstatus=ffan.getTagChange(ttp);
2362 tagsettable.put(objtmp, tagtmp);
2364 tagcleartable.put(objtmp, tagtmp);
2369 Hashtable flagandtable=new Hashtable();
2370 Hashtable flagortable=new Hashtable();
2372 /* Process flag changes */
2373 Iterator flagsit=ffan.getTempFlagPairs();
2374 while(flagsit.hasNext()) {
2375 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2376 TempDescriptor temp=tfp.getTemp();
2377 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2378 FlagDescriptor flag=tfp.getFlag();
2380 //Newly allocate objects that don't set any flags case
2381 if (flagortable.containsKey(temp)) {
2385 flagortable.put(temp,new Integer(mask));
2387 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2388 boolean flagstatus=ffan.getFlagChange(tfp);
2391 if (flagortable.containsKey(temp)) {
2392 mask=((Integer)flagortable.get(temp)).intValue();
2395 flagortable.put(temp,new Integer(mask));
2397 int mask=0xFFFFFFFF;
2398 if (flagandtable.containsKey(temp)) {
2399 mask=((Integer)flagandtable.get(temp)).intValue();
2401 mask&=(0xFFFFFFFF^flagid);
2402 flagandtable.put(temp,new Integer(mask));
2408 HashSet flagtagset=new HashSet();
2409 flagtagset.addAll(flagortable.keySet());
2410 flagtagset.addAll(flagandtable.keySet());
2411 flagtagset.addAll(tagsettable.keySet());
2412 flagtagset.addAll(tagcleartable.keySet());
2414 Iterator ftit=flagtagset.iterator();
2415 while(ftit.hasNext()) {
2416 TempDescriptor temp=(TempDescriptor)ftit.next();
2419 Set tagtmps=tagcleartable.get(temp);
2420 if (tagtmps!=null) {
2421 Iterator tagit=tagtmps.iterator();
2422 while(tagit.hasNext()) {
2423 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2424 if (GENERATEPRECISEGC)
2425 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2427 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2431 tagtmps=tagsettable.get(temp);
2432 if (tagtmps!=null) {
2433 Iterator tagit=tagtmps.iterator();
2434 while(tagit.hasNext()) {
2435 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2436 if (GENERATEPRECISEGC)
2437 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2439 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2444 int andmask=0xFFFFFFF;
2446 if (flagortable.containsKey(temp))
2447 ormask=((Integer)flagortable.get(temp)).intValue();
2448 if (flagandtable.containsKey(temp))
2449 andmask=((Integer)flagandtable.get(temp)).intValue();
2450 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2451 generateObjectDistribute(ffan, fm, lb, temp, output);
2455 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2456 PrintWriter output, int ormask, int andmask) {
2457 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2458 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2460 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2464 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2465 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
2468 void generateOptionalHeader(PrintWriter headers) {
2471 headers.println("#include \"task.h\"\n\n");
2472 headers.println("#ifndef _OPTIONAL_STRUCT_");
2473 headers.println("#define _OPTIONAL_STRUCT_");
2475 //STRUCT PREDICATEMEMBER
2476 headers.println("struct predicatemember{");
2477 headers.println("int type;");
2478 headers.println("int numdnfterms;");
2479 headers.println("int * flags;");
2480 headers.println("int numtags;");
2481 headers.println("int * tags;\n};\n\n");
2483 //STRUCT OPTIONALTASKDESCRIPTOR
2484 headers.println("struct optionaltaskdescriptor{");
2485 headers.println("struct taskdescriptor * task;");
2486 headers.println("int index;");
2487 headers.println("int numenterflags;");
2488 headers.println("int * enterflags;");
2489 headers.println("int numpredicatemembers;");
2490 headers.println("struct predicatemember ** predicatememberarray;");
2491 headers.println("};\n\n");
2493 //STRUCT TASKFAILURE
2494 headers.println("struct taskfailure {");
2495 headers.println("struct taskdescriptor * task;");
2496 headers.println("int index;");
2497 headers.println("int numoptionaltaskdescriptors;");
2498 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2500 //STRUCT FSANALYSISWRAPPER
2501 headers.println("struct fsanalysiswrapper{");
2502 headers.println("int flags;");
2503 headers.println("int numtags;");
2504 headers.println("int * tags;");
2505 headers.println("int numtaskfailures;");
2506 headers.println("struct taskfailure ** taskfailurearray;");
2507 headers.println("int numoptionaltaskdescriptors;");
2508 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2510 //STRUCT CLASSANALYSISWRAPPER
2511 headers.println("struct classanalysiswrapper{");
2512 headers.println("int type;");
2513 headers.println("int numotd;");
2514 headers.println("struct optionaltaskdescriptor ** otdarray;");
2515 headers.println("int numfsanalysiswrappers;");
2516 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2518 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2520 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2521 while(taskit.hasNext()) {
2522 TaskDescriptor td=(TaskDescriptor)taskit.next();
2523 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2528 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2529 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2530 int predicateindex = 0;
2531 //iterate through the classes concerned by the predicate
2532 Set c_vard = predicate.vardescriptors;
2533 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2536 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
2537 VarDescriptor vard = (VarDescriptor)vard_it.next();
2538 TypeDescriptor typed = vard.getType();
2540 //generate for flags
2541 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2542 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2544 if (fen_hashset!=null) {
2545 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
2546 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2548 DNFFlag dflag=fen.getDNF();
2549 numberterms+=dflag.size();
2551 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2553 for(int j=0; j<dflag.size(); j++) {
2555 output.println(",");
2556 Vector term=dflag.get(j);
2559 for(int k=0; k<term.size(); k++) {
2560 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2561 FlagDescriptor fd=dfa.getFlag();
2562 boolean negated=dfa.getNegated();
2563 int flagid=1<<((Integer)flags.get(fd)).intValue();
2568 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2573 output.println("};\n");
2576 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2577 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2580 for(int j=0; j<tagel.numTags(); j++) {
2582 output.println(",");
2583 TempDescriptor tmp=tagel.getTemp(j);
2584 if (!slotnumber.containsKey(tmp)) {
2585 Integer slotint=new Integer(current_slot++);
2586 slotnumber.put(tmp,slotint);
2588 int slot=slotnumber.get(tmp).intValue();
2589 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2591 numtags = tagel.numTags();
2593 output.println("};");
2595 //store the result into a predicatemember struct
2596 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2597 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2598 output.println("/* number of dnf terms */"+numberterms+",");
2599 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2600 output.println("/* number of tag */"+numtags+",");
2601 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2602 output.println("};\n");
2607 //generate an array that stores the entire predicate
2608 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2609 for( int j = 0; j<predicateindex; j++) {
2610 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2611 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2613 output.println("};\n");
2614 return predicateindex;
2618 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2619 generateOptionalHeader(headers);
2621 output.println("#include \"optionalstruct.h\"\n\n");
2622 output.println("#include \"stdlib.h\"\n");
2624 HashSet processedcd = new HashSet();
2626 Enumeration e = safeexecution.keys();
2627 while (e.hasMoreElements()) {
2630 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2631 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
2633 //Generate the struct of optionals
2634 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2635 numotd = c_otd.size();
2636 if(maxotd<numotd) maxotd = numotd;
2637 if( !c_otd.isEmpty() ) {
2638 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2639 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2641 //generate the int arrays for the predicate
2642 Predicate predicate = otd.predicate;
2643 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
2644 TreeSet<Integer> fsset=new TreeSet<Integer>();
2645 //iterate through possible FSes corresponding to
2646 //the state when entering
2648 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
2649 FlagState fs = (FlagState)fses.next();
2651 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
2652 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2653 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2656 fsset.add(new Integer(flagid));
2657 //tag information not needed because tag
2658 //changes are not tolerated.
2661 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2662 boolean needcomma=false;
2663 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
2666 output.println(it.next());
2669 output.println("};\n");
2672 //generate optionaltaskdescriptor that actually
2673 //includes exit fses, predicate and the task
2675 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2676 output.println("&task_"+otd.td.getSafeSymbol()+",");
2677 output.println("/*index*/"+otd.getIndex()+",");
2678 output.println("/*number of enter flags*/"+fsset.size()+",");
2679 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2680 output.println("/*number of members */"+predicateindex+",");
2681 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2682 output.println("};\n");
2686 // if there are no optionals, there is no need to build the rest of the struct
2688 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
2689 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2690 if( !c_otd.isEmpty() ) {
2691 boolean needcomma=false;
2692 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2693 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2695 output.println(",");
2697 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2700 output.println("};\n");
2702 //get all the possible flagstates reachable by an object
2703 Hashtable hashtbtemp = safeexecution.get(cdtemp);
2705 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
2706 fsts.addAll(hashtbtemp.keySet());
2707 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
2708 FlagState fs = (FlagState)fsit.next();
2711 //get the set of OptionalTaskDescriptors corresponding
2712 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
2713 //iterate through the OptionalTaskDescriptors and
2714 //store the pointers to the optionals struct (see on
2715 //top) into an array
2717 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
2718 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
2719 OptionalTaskDescriptor mm = mos.next();
2721 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
2723 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2726 output.println("};\n");
2728 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
2731 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
2732 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2733 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2737 //process tag information
2740 boolean first = true;
2741 Enumeration tag_enum = fs.getTags();
2742 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2743 while(tag_enum.hasMoreElements()) {
2745 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
2749 output.println(", ");
2750 output.println("/*tagid*/"+state.getTagId(tagd));
2752 output.println("};");
2754 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
2755 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
2756 TaskIndex ti=itti.next();
2760 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
2762 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
2763 boolean needcomma=false;
2764 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
2765 OptionalTaskDescriptor otd=otdit.next();
2769 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2771 output.println("};");
2773 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
2774 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
2775 output.print(ti.getIndex()+", ");
2776 output.print(otdset.size()+", ");
2777 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
2778 output.println("};");
2781 tiset=sa.getTaskIndex(fs);
2782 boolean needcomma=false;
2784 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2785 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
2786 TaskIndex ti=itti.next();
2787 if (ti.isRuntime()) {
2794 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
2796 output.println("};\n");
2798 //Store the result in fsanalysiswrapper
2800 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
2801 output.println("/*flag*/"+flagid+",");
2802 output.println("/* number of tags*/"+tagcounter+",");
2803 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2804 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
2805 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2806 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
2807 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
2808 output.println("};\n");
2812 //Build the array of fsanalysiswrappers
2813 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
2814 boolean needcomma=false;
2815 for(int i = 0; i<fscounter; i++) {
2816 if (needcomma) output.print(",");
2817 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
2820 output.println("};");
2822 //Build the classanalysiswrapper referring to the previous array
2823 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
2824 output.println("/*type*/"+cdtemp.getId()+",");
2825 output.println("/*numotd*/"+numotd+",");
2826 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
2827 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
2828 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
2829 processedcd.add(cdtemp);
2832 //build an array containing every classes for which code has been build
2833 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
2834 for(int i=0; i<state.numClasses(); i++) {
2835 ClassDescriptor cn=cdarray[i];
2838 if (processedcd.contains(cn))
2839 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
2841 output.print("NULL");
2843 output.println("};");
2845 output.println("#define MAXOTD "+maxotd);
2846 headers.println("#endif");
2849 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
2850 Relation r=new Relation();
2851 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
2852 OptionalTaskDescriptor otd=otdit.next();
2853 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
2857 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
2858 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
2859 Set s=r.get(it.next());
2860 for(Iterator it2=s.iterator(); it2.hasNext();) {
2861 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
2869 protected void outputTransCode(PrintWriter output) {