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("#endif\n");
279 outmethod.println("}");
283 /* This method outputs code for each task. */
285 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
286 /* Compile task based program */
287 outtaskdefs.println("#include \"task.h\"");
288 outtaskdefs.println("#include \"methodheaders.h\"");
289 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
290 while(taskit.hasNext()) {
291 TaskDescriptor td=(TaskDescriptor)taskit.next();
292 FlatMethod fm=state.getMethodFlat(td);
293 generateFlatMethod(fm, null, outmethod);
294 generateTaskDescriptor(outtaskdefs, fm, td);
297 //Output task descriptors
298 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
299 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
301 while(taskit.hasNext()) {
302 TaskDescriptor td=(TaskDescriptor)taskit.next();
306 outtaskdefs.println(",");
307 outtaskdefs.print("&task_"+td.getSafeSymbol());
309 outtaskdefs.println("};");
311 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
314 /* This method outputs most of the methods.c file. This includes
315 * some standard includes and then an array with the sizes of
316 * objets and array that stores supertype and then the code for
317 * the Java methods.. */
319 protected void outputMethods(PrintWriter outmethod) {
320 outmethod.println("#include \"methodheaders.h\"");
321 outmethod.println("#include \"virtualtable.h\"");
322 outmethod.println("#include \"runtime.h\"");
324 outmethod.println("#include \"addPrefetchEnhance.h\"");
325 outmethod.println("#include \"localobjects.h\"");
327 if(state.MULTICORE) {
328 outmethod.println("#include \"task.h\"");
330 if (state.THREAD||state.DSM)
331 outmethod.println("#include <thread.h>");
332 if (state.main!=null) {
333 outmethod.println("#include <string.h>");
335 if (state.CONSCHECK) {
336 outmethod.println("#include \"checkers.h\"");
338 //Store the sizes of classes & array elements
339 generateSizeArray(outmethod);
341 //Store table of supertypes
342 generateSuperTypeTable(outmethod);
344 //Store the layout of classes
345 generateLayoutStructs(outmethod);
347 /* Generate code for methods */
349 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
350 LocalityBinding lb=lbit.next();
351 MethodDescriptor md=lb.getMethod();
352 FlatMethod fm=state.getMethodFlat(md);
353 if (!md.getModifiers().isNative()) {
354 generateFlatMethod(fm, lb, outmethod);
358 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
359 while(classit.hasNext()) {
360 ClassDescriptor cn=(ClassDescriptor)classit.next();
361 Iterator methodit=cn.getMethods();
362 while(methodit.hasNext()) {
363 /* Classify parameters */
364 MethodDescriptor md=(MethodDescriptor)methodit.next();
365 FlatMethod fm=state.getMethodFlat(md);
366 if (!md.getModifiers().isNative()) {
367 generateFlatMethod(fm, null, outmethod);
374 protected void outputStructs(PrintWriter outstructs) {
375 outstructs.println("#ifndef STRUCTDEFS_H");
376 outstructs.println("#define STRUCTDEFS_H");
377 outstructs.println("#include \"classdefs.h\"");
379 /* Output #defines that the runtime uses to determine type
380 * numbers for various objects it needs */
381 outstructs.println("#define MAXCOUNT "+maxcount);
383 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
384 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
385 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
388 outstructs.println("#define STRINGARRAYTYPE "+
389 (state.getArrayNumber(
390 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
392 outstructs.println("#define OBJECTARRAYTYPE "+
393 (state.getArrayNumber(
394 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
397 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
398 outstructs.println("#define CHARARRAYTYPE "+
399 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
401 outstructs.println("#define BYTEARRAYTYPE "+
402 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
404 outstructs.println("#define BYTEARRAYARRAYTYPE "+
405 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
407 outstructs.println("#define NUMCLASSES "+state.numClasses());
409 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
410 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
411 outstructs.println("#define TAGARRAYTYPE "+
412 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
416 protected void outputClassDeclarations(PrintWriter outclassdefs) {
417 if (state.THREAD||state.DSM)
418 outclassdefs.println("#include <pthread.h>");
420 outclassdefs.println("#include \"optionalstruct.h\"");
421 outclassdefs.println("struct "+arraytype+";");
422 /* Start by declaring all structs */
423 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
424 while(it.hasNext()) {
425 ClassDescriptor cn=(ClassDescriptor)it.next();
426 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
428 outclassdefs.println("");
429 //Print out definition for array type
430 outclassdefs.println("struct "+arraytype+" {");
431 outclassdefs.println(" int type;");
433 outclassdefs.println(" pthread_t tid;");
434 outclassdefs.println(" void * lockentry;");
435 outclassdefs.println(" int lockcount;");
438 outclassdefs.println(" int flag;");
439 if(!state.MULTICORE) {
440 outclassdefs.println(" void * flagptr;");
442 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
443 outclassdefs.println(" int version;");
444 outclassdefs.println(" struct ___Object___ * original;");
447 outclassdefs.println(" int numfses;");
448 outclassdefs.println(" int * fses;");
451 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
453 outclassdefs.println(" int ___length___;");
454 outclassdefs.println("};\n");
455 outclassdefs.println("extern int classsize[];");
456 outclassdefs.println("extern int hasflags[];");
457 outclassdefs.println("extern unsigned int * pointerarray[];");
458 outclassdefs.println("extern int supertypes[];");
461 /** Prints out definitions for generic task structures */
463 private void outputTaskTypes(PrintWriter outtask) {
464 outtask.println("#ifndef _TASK_H");
465 outtask.println("#define _TASK_H");
466 outtask.println("struct parameterdescriptor {");
467 outtask.println("int type;");
468 outtask.println("int numberterms;");
469 outtask.println("int *intarray;");
470 outtask.println("void * queue;");
471 outtask.println("int numbertags;");
472 outtask.println("int *tagarray;");
473 outtask.println("};");
475 outtask.println("struct taskdescriptor {");
476 outtask.println("void * taskptr;");
477 outtask.println("int numParameters;");
478 outtask.println(" int numTotal;");
479 outtask.println("struct parameterdescriptor **descriptorarray;");
480 outtask.println("char * name;");
481 outtask.println("};");
482 outtask.println("extern struct taskdescriptor * taskarray[];");
483 outtask.println("extern numtasks;");
484 outtask.println("#endif");
488 private void buildRepairStructs(PrintWriter outrepairstructs) {
489 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
490 while(classit.hasNext()) {
491 ClassDescriptor cn=(ClassDescriptor)classit.next();
492 outrepairstructs.println("structure "+cn.getSymbol()+" {");
493 outrepairstructs.println(" int __type__;");
495 outrepairstructs.println(" int __flag__;");
496 if(!state.MULTICORE) {
497 outrepairstructs.println(" int __flagptr__;");
500 printRepairStruct(cn, outrepairstructs);
501 outrepairstructs.println("}\n");
504 for(int i=0; i<state.numArrays(); i++) {
505 TypeDescriptor tdarray=arraytable[i];
506 TypeDescriptor tdelement=tdarray.dereference();
507 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
508 outrepairstructs.println(" int __type__;");
509 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
510 outrepairstructs.println(" int length;");
512 // Need to add support to repair tool for this
513 if (tdelement.isClass()||tdelement.isArray())
514 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
516 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
518 outrepairstructs.println("}\n");
522 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
523 ClassDescriptor sp=cn.getSuperDesc();
525 printRepairStruct(sp, output);
527 Vector fields=(Vector)fieldorder.get(cn);
529 for(int i=0; i<fields.size(); i++) {
530 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
531 if (fd.getType().isArray()) {
532 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
533 } else if (fd.getType().isClass())
534 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
535 else if (fd.getType().isFloat())
536 output.println(" int "+fd.getSymbol()+"; /* really float */");
538 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
542 /** This method outputs TaskDescriptor information */
543 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
544 for (int i=0; i<task.numParameters(); i++) {
545 VarDescriptor param_var=task.getParameter(i);
546 TypeDescriptor param_type=task.getParamType(i);
547 FlagExpressionNode param_flag=task.getFlag(param_var);
548 TagExpressionList param_tag=task.getTag(param_var);
551 if (param_flag==null) {
552 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
553 output.println("0x0, 0x0 };");
556 DNFFlag dflag=param_flag.getDNF();
557 dnfterms=dflag.size();
559 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
560 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
561 for(int j=0; j<dflag.size(); j++) {
564 Vector term=dflag.get(j);
567 for(int k=0; k<term.size(); k++) {
568 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
569 FlagDescriptor fd=dfa.getFlag();
570 boolean negated=dfa.getNegated();
571 int flagid=1<<((Integer)flags.get(fd)).intValue();
576 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
578 output.println("};");
581 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
582 //BUG...added next line to fix, test with any task program
584 for(int j=0; j<param_tag.numTags(); j++) {
587 /* for each tag we need */
588 /* which slot it is */
589 /* what type it is */
590 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
591 TempDescriptor tmp=param_tag.getTemp(j);
592 int slot=fm.getTagInt(tmp);
593 output.println(slot+", "+state.getTagId(tvd.getTag()));
595 output.println("};");
597 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
598 output.println("/* type */"+param_type.getClassDesc().getId()+",");
599 output.println("/* number of DNF terms */"+dnfterms+",");
600 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
601 output.println("0,");
602 //BUG, added next line to fix and else statement...test
603 //with any task program
605 output.println("/* number of tags */"+param_tag.numTags()+",");
607 output.println("/* number of tags */ 0,");
608 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
609 output.println("};");
613 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
614 for (int i=0; i<task.numParameters(); i++) {
617 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
619 output.println("};");
621 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
622 output.println("&"+task.getSafeSymbol()+",");
623 output.println("/* number of parameters */" +task.numParameters() + ",");
624 int numtotal=task.numParameters()+fm.numTags();
625 output.println("/* number total parameters */" +numtotal + ",");
626 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
627 output.println("\""+task.getSymbol()+"\"");
628 output.println("};");
632 /** The buildVirtualTables method outputs the virtual dispatch
633 * tables for methods. */
635 protected void buildVirtualTables(PrintWriter outvirtual) {
636 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
637 while(classit.hasNext()) {
638 ClassDescriptor cd=(ClassDescriptor)classit.next();
639 if (virtualcalls.getMethodCount(cd)>maxcount)
640 maxcount=virtualcalls.getMethodCount(cd);
642 MethodDescriptor[][] virtualtable=null;
643 LocalityBinding[][] lbvirtualtable=null;
645 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
647 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
649 /* Fill in virtual table */
650 classit=state.getClassSymbolTable().getDescriptorsIterator();
651 while(classit.hasNext()) {
652 ClassDescriptor cd=(ClassDescriptor)classit.next();
654 fillinRow(cd, lbvirtualtable, cd.getId());
656 fillinRow(cd, virtualtable, cd.getId());
659 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
660 Iterator arrayit=state.getArrayIterator();
661 while(arrayit.hasNext()) {
662 TypeDescriptor td=(TypeDescriptor)arrayit.next();
663 int id=state.getArrayNumber(td);
665 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
667 fillinRow(objectcd, virtualtable, id+state.numClasses());
670 outvirtual.print("void * virtualtable[]={");
671 boolean needcomma=false;
672 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
673 for(int j=0; j<maxcount; j++) {
675 outvirtual.print(", ");
676 if (state.DSM&&lbvirtualtable[i][j]!=null) {
677 LocalityBinding lb=lbvirtualtable[i][j];
678 MethodDescriptor md=lb.getMethod();
679 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
680 } else if (!state.DSM&&virtualtable[i][j]!=null) {
681 MethodDescriptor md=virtualtable[i][j];
682 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
684 outvirtual.print("0");
688 outvirtual.println("");
690 outvirtual.println("};");
694 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
695 /* Get inherited methods */
696 if (cd.getSuperDesc()!=null)
697 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
698 /* Override them with our methods */
699 for(Iterator it=cd.getMethods(); it.hasNext();) {
700 MethodDescriptor md=(MethodDescriptor)it.next();
701 if (md.isStatic()||md.getReturnType()==null)
703 int methodnum=virtualcalls.getMethodNumber(md);
704 virtualtable[rownum][methodnum]=md;
708 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
709 /* Get inherited methods */
710 if (cd.getSuperDesc()!=null)
711 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
712 /* Override them with our methods */
713 if (locality.getClassBindings(cd)!=null)
714 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
715 LocalityBinding lb=lbit.next();
716 MethodDescriptor md=lb.getMethod();
717 //Is the method static or a constructor
718 if (md.isStatic()||md.getReturnType()==null)
720 int methodnum=virtualcalls.getLocalityNumber(lb);
721 virtualtable[rownum][methodnum]=lb;
726 /** Generate array that contains the sizes of class objects. The
727 * object allocation functions in the runtime use this
730 private void generateSizeArray(PrintWriter outclassdefs) {
731 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
732 outclassdefs.print("#ifdef TRANSSTATS \n");
733 outclassdefs.print("extern int numTransAbort;\n");
734 outclassdefs.print("extern int numTransCommit;\n");
735 outclassdefs.print("extern int nchashSearch;\n");
736 outclassdefs.print("extern int nmhashSearch;\n");
737 outclassdefs.print("extern int nprehashSearch;\n");
738 outclassdefs.print("extern int nRemoteSend;\n");
739 outclassdefs.print("extern int nSoftAbort;\n");
740 outclassdefs.print("extern void handle();\n");
741 outclassdefs.print("#endif\n");
742 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
744 outclassdefs.print("int classsize[]={");
745 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
746 cdarray=new ClassDescriptor[state.numClasses()];
747 while(it.hasNext()) {
748 ClassDescriptor cd=(ClassDescriptor)it.next();
749 cdarray[cd.getId()]=cd;
751 boolean needcomma=false;
752 for(int i=0; i<state.numClasses(); i++) {
754 outclassdefs.print(", ");
755 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
759 arraytable=new TypeDescriptor[state.numArrays()];
761 Iterator arrayit=state.getArrayIterator();
762 while(arrayit.hasNext()) {
763 TypeDescriptor td=(TypeDescriptor)arrayit.next();
764 int id=state.getArrayNumber(td);
768 for(int i=0; i<state.numArrays(); i++) {
770 outclassdefs.print(", ");
771 TypeDescriptor tdelement=arraytable[i].dereference();
772 if (tdelement.isArray()||tdelement.isClass())
773 outclassdefs.print("sizeof(void *)");
775 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
779 outclassdefs.println("};");
782 /** Constructs params and temp objects for each method or task.
783 * These objects tell the compiler which temps need to be
786 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
787 MethodDescriptor md=fm.getMethod();
788 TaskDescriptor task=fm.getTask();
789 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
790 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
793 paramstable.put(lb, objectparams);
795 paramstable.put(md, objectparams);
797 paramstable.put(task, objectparams);
799 for(int i=0; i<fm.numParameters(); i++) {
800 TempDescriptor temp=fm.getParameter(i);
801 TypeDescriptor type=temp.getType();
802 if (type.isPtr()&&GENERATEPRECISEGC)
803 objectparams.addPtr(temp);
805 objectparams.addPrim(temp);
806 if(lb!=null&&saveset.contains(temp)) {
807 backuptable.put(temp, temp.createNew());
811 for(int i=0; i<fm.numTags(); i++) {
812 TempDescriptor temp=fm.getTag(i);
813 if (GENERATEPRECISEGC)
814 objectparams.addPtr(temp);
816 objectparams.addPrim(temp);
819 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
821 tempstable.put(lb, objecttemps);
823 tempstable.put(md, objecttemps);
825 tempstable.put(task, objecttemps);
827 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
828 FlatNode fn=(FlatNode)nodeit.next();
829 TempDescriptor[] writes=fn.writesTemps();
830 for(int i=0; i<writes.length; i++) {
831 TempDescriptor temp=writes[i];
832 TypeDescriptor type=temp.getType();
833 if (type.isPtr()&&GENERATEPRECISEGC)
834 objecttemps.addPtr(temp);
836 objecttemps.addPrim(temp);
837 if(lb!=null&&saveset.contains(temp)&&
838 !backuptable.containsKey(temp))
839 backuptable.put(temp, temp.createNew());
843 /* Create backup temps */
845 for(Iterator<TempDescriptor> tmpit=backuptable.values().iterator(); tmpit.hasNext();) {
846 TempDescriptor tmp=tmpit.next();
847 TypeDescriptor type=tmp.getType();
848 if (type.isPtr()&&GENERATEPRECISEGC)
849 objecttemps.addPtr(tmp);
851 objecttemps.addPrim(tmp);
853 /* Create temp to hold revert table */
854 if (lb.getHasAtomic()||lb.isAtomic()) {
855 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
856 if (GENERATEPRECISEGC)
857 objecttemps.addPtr(reverttmp);
859 objecttemps.addPrim(reverttmp);
860 reverttable.put(lb, reverttmp);
865 /** This method outputs the following information about classes
867 * (1) For classes, what are the locations of pointers.
868 * (2) For arrays, does the array contain pointers or primitives.
869 * (3) For classes, does the class contain flags.
872 private void generateLayoutStructs(PrintWriter output) {
873 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
874 while(it.hasNext()) {
875 ClassDescriptor cn=(ClassDescriptor)it.next();
876 output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
877 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
879 while(allit.hasNext()) {
880 FieldDescriptor fd=(FieldDescriptor)allit.next();
881 TypeDescriptor type=fd.getType();
882 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
888 allit=cn.getFieldTable().getAllDescriptorsIterator();
889 while(allit.hasNext()) {
890 FieldDescriptor fd=(FieldDescriptor)allit.next();
891 TypeDescriptor type=fd.getType();
892 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
896 output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
899 output.println("};");
901 output.println("unsigned int * pointerarray[]={");
902 boolean needcomma=false;
903 for(int i=0; i<state.numClasses(); i++) {
904 ClassDescriptor cn=cdarray[i];
908 output.print(cn.getSafeSymbol()+"_pointers");
911 for(int i=0; i<state.numArrays(); i++) {
913 output.println(", ");
914 TypeDescriptor tdelement=arraytable[i].dereference();
915 if (tdelement.isArray()||tdelement.isClass())
916 output.print("((unsigned int *)1)");
922 output.println("};");
924 output.println("int hasflags[]={");
925 for(int i=0; i<state.numClasses(); i++) {
926 ClassDescriptor cn=cdarray[i];
928 output.println(", ");
935 output.println("};");
938 /** Print out table to give us supertypes */
939 private void generateSuperTypeTable(PrintWriter output) {
940 output.println("int supertypes[]={");
941 boolean needcomma=false;
942 for(int i=0; i<state.numClasses(); i++) {
943 ClassDescriptor cn=cdarray[i];
947 if (cn.getSuperDesc()!=null) {
948 ClassDescriptor cdsuper=cn.getSuperDesc();
949 output.print(cdsuper.getId());
953 output.println("};");
956 /** Force consistent field ordering between inherited classes. */
958 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
960 ClassDescriptor sp=cn.getSuperDesc();
962 printClassStruct(sp, classdefout);
964 if (!fieldorder.containsKey(cn)) {
965 Vector fields=new Vector();
966 fieldorder.put(cn,fields);
967 if (sp==null&&!state.TASK) {
968 fields.add(cn.getFieldTable().get("cachedCode"));
970 Iterator fieldit=cn.getFields();
971 while(fieldit.hasNext()) {
972 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
973 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
974 (!fd.getSymbol().equals("cachedCode")||state.TASK))
978 Vector fields=(Vector)fieldorder.get(cn);
980 for(int i=0; i<fields.size(); i++) {
981 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
982 if (fd.getType().isClass()||fd.getType().isArray())
983 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
985 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
990 /* Map flags to integers consistently between inherited
993 protected void mapFlags(ClassDescriptor cn) {
994 ClassDescriptor sp=cn.getSuperDesc();
998 if (!flagorder.containsKey(cn)) {
999 Hashtable flags=new Hashtable();
1000 flagorder.put(cn,flags);
1002 Hashtable superflags=(Hashtable)flagorder.get(sp);
1003 Iterator superflagit=superflags.keySet().iterator();
1004 while(superflagit.hasNext()) {
1005 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1006 Integer number=(Integer)superflags.get(fd);
1007 flags.put(fd, number);
1008 if ((number.intValue()+1)>max)
1009 max=number.intValue()+1;
1013 Iterator flagit=cn.getFlags();
1014 while(flagit.hasNext()) {
1015 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1016 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1017 flags.put(fd, new Integer(max++));
1023 /** This function outputs (1) structures that parameters are
1024 * passed in (when PRECISE GC is enabled) and (2) function
1025 * prototypes for the methods */
1027 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1028 /* Output class structure */
1029 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1030 classdefout.println(" int type;");
1032 classdefout.println(" pthread_t tid;");
1033 classdefout.println(" void * lockentry;");
1034 classdefout.println(" int lockcount;");
1038 classdefout.println(" int flag;");
1039 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1040 classdefout.println(" void * flagptr;");
1041 } else if (state.MULTICORE) {
1042 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1043 classdefout.println(" int version;");
1044 classdefout.println(" struct ___Object___ * original;");
1046 if (state.OPTIONAL) {
1047 classdefout.println(" int numfses;");
1048 classdefout.println(" int * fses;");
1051 printClassStruct(cn, classdefout);
1052 classdefout.println("};\n");
1055 /* Cycle through LocalityBindings */
1056 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1057 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1059 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1060 LocalityBinding lb=lbit.next();
1061 MethodDescriptor md=lb.getMethod();
1062 if (md.getModifiers().isNative()) {
1063 //make sure we only print a native method once
1064 if (nativemethods.contains(md)) {
1065 FlatMethod fm=state.getMethodFlat(md);
1066 generateTempStructs(fm, lb);
1069 nativemethods.add(md);
1071 generateMethod(cn, md, lb, headersout, output);
1074 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1075 MethodDescriptor md=(MethodDescriptor)methodit.next();
1076 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1077 //Need to build param structure for library code
1078 FlatMethod fm=state.getMethodFlat(md);
1079 generateTempStructs(fm, null);
1080 generateMethodParam(cn, md, null, output);
1085 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1086 MethodDescriptor md=(MethodDescriptor)methodit.next();
1087 generateMethod(cn, md, null, headersout, output);
1091 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1092 /* Output parameter structure */
1093 if (GENERATEPRECISEGC) {
1094 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1095 if (state.DSM&&lb!=null)
1096 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1098 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1099 output.println(" int size;");
1100 output.println(" void * next;");
1101 for(int i=0; i<objectparams.numPointers(); i++) {
1102 TempDescriptor temp=objectparams.getPointer(i);
1103 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1105 output.println("};\n");
1110 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1111 FlatMethod fm=state.getMethodFlat(md);
1112 generateTempStructs(fm, lb);
1114 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1115 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1117 generateMethodParam(cn, md, lb, output);
1119 /* Output temp structure */
1120 if (GENERATEPRECISEGC) {
1122 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1124 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1125 output.println(" int size;");
1126 output.println(" void * next;");
1127 for(int i=0; i<objecttemps.numPointers(); i++) {
1128 TempDescriptor temp=objecttemps.getPointer(i);
1129 if (temp.getType().isNull())
1130 output.println(" void * "+temp.getSafeSymbol()+";");
1132 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1134 output.println("};\n");
1137 /********* Output method declaration ***********/
1139 /* First the return type */
1140 if (md.getReturnType()!=null) {
1141 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1142 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1144 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1146 //catch the constructor case
1147 headersout.print("void ");
1149 /* Next the method name */
1151 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1153 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1155 boolean printcomma=false;
1156 if (GENERATEPRECISEGC) {
1158 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1160 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1164 if (state.DSM&&lb.isAtomic()&&!md.getModifiers().isNative()) {
1166 headersout.print(", ");
1167 headersout.print("transrecord_t * trans");
1171 /* Output parameter list*/
1172 for(int i=0; i<objectparams.numPrimitives(); i++) {
1173 TempDescriptor temp=objectparams.getPrimitive(i);
1175 headersout.print(", ");
1177 if (temp.getType().isClass()||temp.getType().isArray())
1178 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1180 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1182 headersout.println(");\n");
1186 /** This function outputs (1) structures that parameters are
1187 * passed in (when PRECISE GC is enabled) and (2) function
1188 * prototypes for the tasks */
1190 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1191 /* Cycle through tasks */
1192 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1194 while(taskit.hasNext()) {
1195 /* Classify parameters */
1196 TaskDescriptor task=(TaskDescriptor)taskit.next();
1197 FlatMethod fm=state.getMethodFlat(task);
1198 generateTempStructs(fm, null);
1200 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1201 TempObject objecttemps=(TempObject) tempstable.get(task);
1203 /* Output parameter structure */
1204 if (GENERATEPRECISEGC) {
1205 output.println("struct "+task.getSafeSymbol()+"_params {");
1207 output.println(" int size;");
1208 output.println(" void * next;");
1209 for(int i=0; i<objectparams.numPointers(); i++) {
1210 TempDescriptor temp=objectparams.getPointer(i);
1211 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1214 output.println("};\n");
1215 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1216 maxtaskparams=objectparams.numPointers()+fm.numTags();
1220 /* Output temp structure */
1221 if (GENERATEPRECISEGC) {
1222 output.println("struct "+task.getSafeSymbol()+"_locals {");
1223 output.println(" int size;");
1224 output.println(" void * next;");
1225 for(int i=0; i<objecttemps.numPointers(); i++) {
1226 TempDescriptor temp=objecttemps.getPointer(i);
1227 if (temp.getType().isNull())
1228 output.println(" void * "+temp.getSafeSymbol()+";");
1229 else if(temp.getType().isTag())
1230 output.println(" struct "+
1231 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1233 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1235 output.println("};\n");
1238 /* Output task declaration */
1239 headersout.print("void " + task.getSafeSymbol()+"(");
1241 boolean printcomma=false;
1242 if (GENERATEPRECISEGC) {
1243 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1245 headersout.print("void * parameterarray[]");
1246 headersout.println(");\n");
1250 /***** Generate code for FlatMethod fm. *****/
1252 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1253 if (State.PRINTFLAT)
1254 System.out.println(fm.printMethod());
1255 MethodDescriptor md=fm.getMethod();
1257 TaskDescriptor task=fm.getTask();
1259 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1261 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1262 generateHeader(fm, lb, md!=null ? md : task,output);
1263 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1264 if (state.DSM&&lb.getHasAtomic()) {
1265 output.println("transrecord_t * trans;");
1268 if (GENERATEPRECISEGC) {
1269 if (md!=null&&state.DSM)
1270 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1271 else if (md!=null&&!state.DSM)
1272 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1274 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1276 output.print(objecttemp.numPointers()+",");
1277 output.print(paramsprefix);
1278 for(int j=0; j<objecttemp.numPointers(); j++)
1279 output.print(", NULL");
1280 output.println("};");
1283 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1284 TempDescriptor td=objecttemp.getPrimitive(i);
1285 TypeDescriptor type=td.getType();
1287 output.println(" void * "+td.getSafeSymbol()+";");
1288 else if (type.isClass()||type.isArray())
1289 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1291 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1294 /* Assign labels to FlatNode's if necessary.*/
1296 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(fm);
1298 /* Check to see if we need to do a GC if this is a
1299 * multi-threaded program...*/
1301 if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
1302 if (state.DSM&&lb.isAtomic())
1303 output.println("checkcollect2(&"+localsprefix+",trans);");
1305 output.println("checkcollect(&"+localsprefix+");");
1308 /* Do the actual code generation */
1309 FlatNode current_node=null;
1310 HashSet tovisit=new HashSet();
1311 HashSet visited=new HashSet();
1312 tovisit.add(fm.getNext(0));
1313 while(current_node!=null||!tovisit.isEmpty()) {
1314 if (current_node==null) {
1315 current_node=(FlatNode)tovisit.iterator().next();
1316 tovisit.remove(current_node);
1318 visited.add(current_node);
1319 if (nodetolabel.containsKey(current_node))
1320 output.println("L"+nodetolabel.get(current_node)+":");
1321 if (state.INSTRUCTIONFAILURE) {
1322 if (state.THREAD||state.DSM) {
1323 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1325 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1327 if (current_node.numNext()==0) {
1329 generateFlatNode(fm, lb, current_node, output);
1330 if (current_node.kind()!=FKind.FlatReturnNode) {
1331 output.println(" return;");
1334 } else if(current_node.numNext()==1) {
1336 generateFlatNode(fm, lb, current_node, output);
1337 FlatNode nextnode=current_node.getNext(0);
1338 if (visited.contains(nextnode)) {
1339 output.println("goto L"+nodetolabel.get(nextnode)+";");
1342 current_node=nextnode;
1343 } else if (current_node.numNext()==2) {
1346 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1347 if (!visited.contains(current_node.getNext(1)))
1348 tovisit.add(current_node.getNext(1));
1349 if (visited.contains(current_node.getNext(0))) {
1350 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1353 current_node=current_node.getNext(0);
1354 } else throw new Error();
1356 output.println("}\n\n");
1359 /** This method assigns labels to FlatNodes */
1361 protected Hashtable<FlatNode, Integer> assignLabels(FlatMethod fm) {
1362 HashSet tovisit=new HashSet();
1363 HashSet visited=new HashSet();
1365 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1366 tovisit.add(fm.getNext(0));
1368 /*Assign labels first. A node needs a label if the previous
1369 * node has two exits or this node is a join point. */
1371 while(!tovisit.isEmpty()) {
1372 FlatNode fn=(FlatNode)tovisit.iterator().next();
1375 for(int i=0; i<fn.numNext(); i++) {
1376 FlatNode nn=fn.getNext(i);
1378 //1) Edge >1 of node
1379 nodetolabel.put(nn,new Integer(labelindex++));
1381 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1385 nodetolabel.put(nn,new Integer(labelindex++));
1393 /** Generate text string that corresponds to the TempDescriptor td. */
1394 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1395 MethodDescriptor md=fm.getMethod();
1396 TaskDescriptor task=fm.getTask();
1397 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1399 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1400 return td.getSafeSymbol();
1403 if (objecttemps.isLocalPtr(td)) {
1404 return localsprefix+"."+td.getSafeSymbol();
1407 if (objecttemps.isParamPtr(td)) {
1408 return paramsprefix+"->"+td.getSafeSymbol();
1413 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1415 case FKind.FlatAtomicEnterNode:
1416 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1419 case FKind.FlatAtomicExitNode:
1420 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1423 case FKind.FlatGlobalConvNode:
1424 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1427 case FKind.FlatTagDeclaration:
1428 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1431 case FKind.FlatCall:
1432 generateFlatCall(fm, lb, (FlatCall) fn,output);
1435 case FKind.FlatFieldNode:
1436 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1439 case FKind.FlatElementNode:
1440 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1443 case FKind.FlatSetElementNode:
1444 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1447 case FKind.FlatSetFieldNode:
1448 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1452 generateFlatNew(fm, lb, (FlatNew) fn,output);
1455 case FKind.FlatOpNode:
1456 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1459 case FKind.FlatCastNode:
1460 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1463 case FKind.FlatLiteralNode:
1464 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1467 case FKind.FlatReturnNode:
1468 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1472 output.println("/* nop */");
1475 case FKind.FlatBackEdge:
1476 if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
1477 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1478 output.println("checkcollect2(&"+localsprefix+",trans);");
1480 output.println("checkcollect(&"+localsprefix+");");
1482 output.println("/* nop */");
1485 case FKind.FlatCheckNode:
1486 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1489 case FKind.FlatFlagActionNode:
1490 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1493 case FKind.FlatPrefetchNode:
1494 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1500 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1501 if (state.PREFETCH) {
1502 Vector oids = new Vector();
1503 Vector fieldoffset = new Vector();
1504 Vector endoffset = new Vector();
1505 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1506 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
1507 PrefetchPair pp = (PrefetchPair) it.next();
1508 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1509 /* Find prefetches that can generate oid */
1510 if(statusbase == LocalityAnalysis.GLOBAL) {
1511 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1513 } else if (statusbase == LocalityAnalysis.LOCAL) {
1514 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1521 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
1522 output.println("{");
1523 output.println("/* prefetch */");
1524 output.println("/* prefetchid_" + fpn.siteid + " */");
1525 output.println("void * prefptr;");
1526 output.println("int tmpindex;");
1528 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1529 /*Create C code for oid array */
1530 output.print(" unsigned int oidarray_[] = {");
1531 boolean needcomma=false;
1532 for (Iterator it = oids.iterator(); it.hasNext();) {
1535 output.print(it.next());
1538 output.println("};");
1540 /*Create C code for endoffset values */
1541 output.print(" unsigned short endoffsetarry_[] = {");
1543 for (Iterator it = endoffset.iterator(); it.hasNext();) {
1546 output.print(it.next());
1549 output.println("};");
1551 /*Create C code for Field Offset Values */
1552 output.print(" short fieldarry_[] = {");
1554 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
1557 output.print(it.next());
1560 output.println("};");
1561 /* make the prefetch call to Runtime */
1562 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1563 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1564 output.println(" }");
1565 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1566 output.println(" } else {");
1567 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1568 output.println(" }");
1569 output.println("}");
1573 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1574 short offsetcount = 0;
1578 } else if (localbase) {
1579 for(; breakindex<pp.desc.size(); breakindex++) {
1580 Descriptor desc=pp.getDescAt(breakindex);
1581 if (desc instanceof FieldDescriptor) {
1582 FieldDescriptor fd=(FieldDescriptor)desc;
1583 if (fd.isGlobal()) {
1591 if (breakindex>pp.desc.size()) //all local
1594 TypeDescriptor lasttype=pp.base.getType();
1595 String basestr=generateTemp(fm, pp.base, lb);
1597 boolean maybenull=fm.getMethod().isStatic()||
1598 !pp.base.equals(fm.getParameter(0));
1600 for(int i=0; i<breakindex; i++) {
1601 String indexcheck="";
1603 Descriptor desc=pp.getDescAt(i);
1604 if (desc instanceof FieldDescriptor) {
1605 FieldDescriptor fd=(FieldDescriptor)desc;
1607 if (!teststr.equals(""))
1609 teststr+="((prefptr="+basestr+")!=NULL)";
1610 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
1612 basestr=basestr+"->"+fd.getSafeSymbol();
1615 lasttype=fd.getType();
1617 IndexDescriptor id=(IndexDescriptor)desc;
1618 indexcheck="((tmpindex=";
1619 for(int j=0; j<id.tddesc.size(); j++) {
1620 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
1622 indexcheck+=id.offset+")>=0)&&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
1624 if (!teststr.equals(""))
1626 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
1627 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
1629 lasttype=lasttype.dereference();
1634 if (teststr.equals("")) {
1635 oid="((unsigned int)"+basestr+")";
1637 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
1641 for(int i = breakindex; i < pp.desc.size(); i++) {
1642 String newfieldoffset;
1643 Object desc = pp.getDescAt(i);
1644 if(desc instanceof FieldDescriptor) {
1645 FieldDescriptor fd=(FieldDescriptor)desc;
1646 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
1647 lasttype=fd.getType();
1649 newfieldoffset = "";
1650 IndexDescriptor id=(IndexDescriptor)desc;
1651 for(int j = 0; j < id.tddesc.size(); j++) {
1652 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
1654 newfieldoffset += id.offset.toString();
1655 lasttype=lasttype.dereference();
1657 fieldoffset.add(newfieldoffset);
1660 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
1661 base+=pp.desc.size()-breakindex;
1662 endoffset.add(new Short((short)base));
1667 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1668 if (lb!=fgcn.getLocality())
1670 /* Have to generate flat globalconv */
1671 if (fgcn.getMakePtr()) {
1672 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)transRead(trans, (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1674 /* Need to convert to OID */
1675 if (fgcn.doConvert()) {
1676 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1678 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
1683 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1684 /* Check to see if we need to generate code for this atomic */
1685 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1687 /* Backup the temps. */
1688 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1689 TempDescriptor tmp=tmpit.next();
1690 output.println(generateTemp(fm, backuptable.get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1692 output.println("goto transstart"+faen.getIdentifier()+";");
1694 /******* Print code to retry aborted transaction *******/
1695 output.println("transretry"+faen.getIdentifier()+":");
1698 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1699 TempDescriptor tmp=tmpit.next();
1700 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(tmp),lb)+";");
1703 /********* Need to revert local object store ********/
1704 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1706 output.println("while ("+revertptr+") {");
1707 output.println("struct ___Object___ * tmpptr;");
1708 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1709 output.println("REVERT_OBJ("+revertptr+");");
1710 output.println(revertptr+"=tmpptr;");
1711 output.println("}");
1713 /******* Tell the runtime to start the transaction *******/
1715 output.println("transstart"+faen.getIdentifier()+":");
1716 output.println("trans=transStart();");
1719 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1720 /* Check to see if we need to generate code for this atomic */
1721 if (locality.getAtomic(lb).get(faen).intValue()>0)
1723 //store the revert list before we lose the transaction object
1724 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1725 output.println(revertptr+"=trans->revertlist;");
1726 output.println("if (transCommit(trans)) {");
1727 /* Transaction aborts if it returns true */
1728 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1729 output.println("} else {");
1730 /* Need to commit local object store */
1731 output.println("while ("+revertptr+") {");
1732 output.println("struct ___Object___ * tmpptr;");
1733 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1734 output.println("COMMIT_OBJ("+revertptr+");");
1735 output.println(revertptr+"=tmpptr;");
1736 output.println("}");
1737 output.println("}");
1740 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
1741 if (state.CONSCHECK) {
1742 String specname=fcn.getSpec();
1743 String varname="repairstate___";
1744 output.println("{");
1745 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1747 TempDescriptor[] temps=fcn.getTemps();
1748 String[] vars=fcn.getVars();
1749 for(int i=0; i<temps.length; i++) {
1750 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
1753 output.println("if (doanalysis"+specname+"("+varname+")) {");
1754 output.println("free"+specname+"_state("+varname+");");
1755 output.println("} else {");
1756 output.println("/* Bad invariant */");
1757 output.println("free"+specname+"_state("+varname+");");
1758 output.println("abort_task();");
1759 output.println("}");
1760 output.println("}");
1764 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
1765 MethodDescriptor md=fc.getMethod();
1766 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM ? locality.getBinding(lb, fc) : md);
1767 ClassDescriptor cn=md.getClassDesc();
1768 output.println("{");
1769 if (GENERATEPRECISEGC) {
1771 LocalityBinding fclb=locality.getBinding(lb, fc);
1772 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1774 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1776 output.print(objectparams.numPointers());
1777 output.print(", & "+localsprefix);
1778 if (md.getThis()!=null) {
1780 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
1782 if (fc.getThis()!=null&&md.getThis()==null) {
1783 System.out.println("WARNING!!!!!!!!!!!!");
1784 System.out.println("Source code calls static method"+md+"on an object in "+fm.getMethod()+"!");
1788 for(int i=0; i<fc.numArgs(); i++) {
1789 Descriptor var=md.getParameter(i);
1790 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1791 if (objectparams.isParamPtr(paramtemp)) {
1792 TempDescriptor targ=fc.getArg(i);
1794 TypeDescriptor td=md.getParamType(i);
1796 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1798 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1801 output.println("};");
1806 if (fc.getReturnTemp()!=null)
1807 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
1809 /* Do we need to do virtual dispatch? */
1810 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
1813 LocalityBinding fclb=locality.getBinding(lb, fc);
1814 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1816 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1821 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1822 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1824 output.print(md.getReturnType().getSafeSymbol()+" ");
1825 output.print("(*)(");
1827 boolean printcomma=false;
1828 if (GENERATEPRECISEGC) {
1830 LocalityBinding fclb=locality.getBinding(lb, fc);
1831 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1833 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1837 for(int i=0; i<objectparams.numPrimitives(); i++) {
1838 TempDescriptor temp=objectparams.getPrimitive(i);
1842 if (temp.getType().isClass()||temp.getType().isArray())
1843 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
1845 output.print(temp.getType().getSafeSymbol());
1848 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()&&!fc.getMethod().getModifiers().isNative()) {
1849 LocalityBinding fclb=locality.getBinding(lb, fc);
1852 output.print("transrecord_t *");
1857 LocalityBinding fclb=locality.getBinding(lb, fc);
1858 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
1860 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
1864 boolean needcomma=false;
1865 if (GENERATEPRECISEGC) {
1866 output.print("&__parameterlist__");
1870 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()&&!fc.getMethod().getModifiers().isNative()) {
1873 output.print("trans");
1877 if (!GENERATEPRECISEGC) {
1878 if (fc.getThis()!=null) {
1879 TypeDescriptor ptd=md.getThis().getType();
1882 if (ptd.isClass()&&!ptd.isArray())
1883 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1884 output.print(generateTemp(fm,fc.getThis(),lb));
1889 for(int i=0; i<fc.numArgs(); i++) {
1890 Descriptor var=md.getParameter(i);
1891 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1892 if (objectparams.isParamPrim(paramtemp)) {
1893 TempDescriptor targ=fc.getArg(i);
1897 TypeDescriptor ptd=md.getParamType(i);
1898 if (ptd.isClass()&&!ptd.isArray())
1899 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1900 output.print(generateTemp(fm, targ,lb));
1904 output.println(");");
1905 output.println(" }");
1908 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
1909 Set subclasses=typeutil.getSubClasses(thiscd);
1910 if (subclasses==null)
1912 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
1913 ClassDescriptor cd=(ClassDescriptor)classit.next();
1914 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
1915 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
1916 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
1917 if (md.matches(matchmd))
1924 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
1926 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
1927 if (status==LocalityAnalysis.GLOBAL) {
1928 String field=ffn.getField().getSafeSymbol();
1929 String src=generateTemp(fm, ffn.getSrc(),lb);
1930 String dst=generateTemp(fm, ffn.getDst(),lb);
1932 if (ffn.getField().getType().isPtr()) {
1934 //TODO: Uncomment this when we have runtime support
1935 //if (ffn.getSrc()==ffn.getDst()) {
1936 //output.println("{");
1937 //output.println("void * temp="+src+";");
1938 //output.println("if (temp&0x1) {");
1939 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
1940 //output.println(src+"->"+field+"="+temp+";");
1941 //output.println("}");
1942 //output.println(dst+"=temp;");
1943 //output.println("}");
1945 output.println(dst+"="+ src +"->"+field+ ";");
1946 //output.println("if ("+dst+"&0x1) {");
1947 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
1948 //output.println(src+"->"+field+"="+src+"->"+field+";");
1949 //output.println("}");
1952 output.println(dst+"="+ src+"->"+field+";");
1954 } else if (status==LocalityAnalysis.LOCAL) {
1955 if (ffn.getField().getType().isPtr()&&
1956 ffn.getField().isGlobal()) {
1957 String field=ffn.getField().getSafeSymbol();
1958 String src=generateTemp(fm, ffn.getSrc(),lb);
1959 String dst=generateTemp(fm, ffn.getDst(),lb);
1960 output.println(dst+"="+ src +"->"+field+ ";");
1961 if (locality.getAtomic(lb).get(ffn).intValue()>0)
1962 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
1964 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1965 } else if (status==LocalityAnalysis.EITHER) {
1966 //Code is reading from a null pointer
1967 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
1968 output.println("#ifndef RAW");
1969 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
1970 output.println("#endif");
1971 //This should throw a suitable null pointer error
1972 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1974 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
1976 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1980 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
1981 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
1982 throw new Error("Can't set array length");
1983 if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
1984 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
1985 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
1986 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
1988 String src=generateTemp(fm,fsfn.getSrc(),lb);
1989 String dst=generateTemp(fm,fsfn.getDst(),lb);
1991 output.println("{");
1992 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
1994 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
1997 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
1999 output.println("*((unsigned int *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2001 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2002 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2003 /** Check if we need to copy */
2004 output.println("if(!"+dst+"->"+localcopystr+") {");
2005 /* Link object into list */
2006 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2007 output.println(revertptr+"=trans->revertlist;");
2008 if (GENERATEPRECISEGC)
2009 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2011 output.println("COPY_OBJ("+dst+");");
2012 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2013 output.println("trans->revertlist=(struct ___Object___ *)"+dst+";");
2014 output.println("}");
2016 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2018 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2019 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2020 //writing to a null...bad
2021 output.println("if ("+dst+") {");
2022 output.println("#ifndef RAW");
2023 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2024 output.println("#endif");
2026 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2028 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2031 output.println("}");
2034 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2038 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2039 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2042 if (elementtype.isArray()||elementtype.isClass())
2045 type=elementtype.getSafeSymbol()+" ";
2047 if (fen.needsBoundsCheck()) {
2048 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2049 output.println("failedboundschk();");
2052 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2053 if (status==LocalityAnalysis.GLOBAL) {
2054 String dst=generateTemp(fm, fen.getDst(),lb);
2056 if (elementtype.isPtr()) {
2057 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2058 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
2060 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2062 } else if (status==LocalityAnalysis.LOCAL) {
2063 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2064 } else if (status==LocalityAnalysis.EITHER) {
2065 //Code is reading from a null pointer
2066 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2067 output.println("#ifndef RAW");
2068 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2069 output.println("#endif");
2070 //This should throw a suitable null pointer error
2071 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2073 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2075 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2079 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2080 //TODO: need dynamic check to make sure this assignment is actually legal
2081 //Because Object[] could actually be something more specific...ie. Integer[]
2083 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2086 if (elementtype.isArray()||elementtype.isClass())
2089 type=elementtype.getSafeSymbol()+" ";
2092 if (fsen.needsBoundsCheck()) {
2093 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2094 output.println("failedboundschk();");
2097 if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2098 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2099 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2100 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2101 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2102 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2105 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2106 } else if (dstlocal) {
2107 /** Check if we need to copy */
2108 String dst=generateTemp(fm, fsen.getDst(),lb);
2109 output.println("if(!"+dst+"->"+localcopystr+") {");
2110 /* Link object into list */
2111 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2112 output.println(revertptr+"=trans->revertlist;");
2113 if (GENERATEPRECISEGC)
2114 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2116 output.println("COPY_OBJ("+dst+");");
2117 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2118 output.println("trans->revertlist=(struct ___Object___ *)"+dst+";");
2119 output.println("}");
2120 } else throw new Error("Unknown array type");
2122 output.println("{");
2123 String src=generateTemp(fm, fsen.getSrc(), lb);
2124 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2125 output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2126 output.println("}");
2128 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2131 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2134 private void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2135 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2136 //Stash pointer in case of GC
2137 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2138 output.println(revertptr+"=trans->revertlist;");
2140 if (fn.getType().isArray()) {
2141 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2142 if (fn.isGlobal()) {
2143 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal(trans, "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2144 } else if (GENERATEPRECISEGC) {
2145 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2147 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2150 if (fn.isGlobal()) {
2151 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal(trans, "+fn.getType().getClassDesc().getId()+");");
2152 } else if (GENERATEPRECISEGC) {
2153 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2155 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2158 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2159 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2160 output.println("trans->revertlist="+revertptr+";");
2164 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2165 if (GENERATEPRECISEGC) {
2166 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2168 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2172 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2173 if (fon.getRight()!=null) {
2174 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2175 if (fon.getLeft().getType().isLong())
2176 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2178 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2181 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2182 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2183 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2184 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2185 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2186 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2187 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2188 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2189 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2190 else if (fon.getOp().getOp()==Operation.COMP)
2191 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2192 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2193 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2195 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2198 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2199 /* TODO: Do type check here */
2200 if (fcn.getType().isArray()) {
2202 } else if (fcn.getType().isClass())
2203 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2205 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2208 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2209 if (fln.getValue()==null)
2210 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2211 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2212 if (GENERATEPRECISEGC) {
2213 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2214 //Stash pointer in case of GC
2215 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2216 output.println(revertptr+"=trans->revertlist;");
2218 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2219 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2220 //Stash pointer in case of GC
2221 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2222 output.println("trans->revertlist="+revertptr+";");
2225 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2227 } else if (fln.getType().isBoolean()) {
2228 if (((Boolean)fln.getValue()).booleanValue())
2229 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2231 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2232 } else if (fln.getType().isChar()) {
2233 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2234 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2235 } else if (fln.getType().isLong()) {
2236 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2238 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2241 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2242 if (frn.getReturnTemp()!=null) {
2243 if (frn.getReturnTemp().getType().isPtr())
2244 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2246 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2248 output.println("return;");
2252 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2253 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2256 /** This method generates header information for the method or
2257 * task referenced by the Descriptor des. */
2259 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2261 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2262 MethodDescriptor md=null;
2263 TaskDescriptor task=null;
2264 if (des instanceof MethodDescriptor)
2265 md=(MethodDescriptor) des;
2267 task=(TaskDescriptor) des;
2269 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2271 if (md!=null&&md.getReturnType()!=null) {
2272 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2273 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2275 output.print(md.getReturnType().getSafeSymbol()+" ");
2277 //catch the constructor case
2278 output.print("void ");
2281 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2283 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2285 output.print(task.getSafeSymbol()+"(");
2287 boolean printcomma=false;
2288 if (GENERATEPRECISEGC) {
2291 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2293 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2295 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2299 if (state.DSM&&lb.isAtomic()) {
2302 output.print("transrecord_t * trans");
2308 for(int i=0; i<objectparams.numPrimitives(); i++) {
2309 TempDescriptor temp=objectparams.getPrimitive(i);
2313 if (temp.getType().isClass()||temp.getType().isArray())
2314 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2316 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2318 output.println(") {");
2319 } else if (!GENERATEPRECISEGC) {
2320 /* Imprecise Task */
2321 output.println("void * parameterarray[]) {");
2322 /* Unpack variables */
2323 for(int i=0; i<objectparams.numPrimitives(); i++) {
2324 TempDescriptor temp=objectparams.getPrimitive(i);
2325 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2327 for(int i=0; i<fm.numTags(); i++) {
2328 TempDescriptor temp=fm.getTag(i);
2329 int offset=i+objectparams.numPrimitives();
2330 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2333 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2334 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2335 } else output.println(") {");
2338 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2339 output.println("/* FlatFlagActionNode */");
2342 /* Process tag changes */
2343 Relation tagsettable=new Relation();
2344 Relation tagcleartable=new Relation();
2346 Iterator tagsit=ffan.getTempTagPairs();
2347 while (tagsit.hasNext()) {
2348 TempTagPair ttp=(TempTagPair) tagsit.next();
2349 TempDescriptor objtmp=ttp.getTemp();
2350 TagDescriptor tag=ttp.getTag();
2351 TempDescriptor tagtmp=ttp.getTagTemp();
2352 boolean tagstatus=ffan.getTagChange(ttp);
2354 tagsettable.put(objtmp, tagtmp);
2356 tagcleartable.put(objtmp, tagtmp);
2361 Hashtable flagandtable=new Hashtable();
2362 Hashtable flagortable=new Hashtable();
2364 /* Process flag changes */
2365 Iterator flagsit=ffan.getTempFlagPairs();
2366 while(flagsit.hasNext()) {
2367 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2368 TempDescriptor temp=tfp.getTemp();
2369 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2370 FlagDescriptor flag=tfp.getFlag();
2372 //Newly allocate objects that don't set any flags case
2373 if (flagortable.containsKey(temp)) {
2377 flagortable.put(temp,new Integer(mask));
2379 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2380 boolean flagstatus=ffan.getFlagChange(tfp);
2383 if (flagortable.containsKey(temp)) {
2384 mask=((Integer)flagortable.get(temp)).intValue();
2387 flagortable.put(temp,new Integer(mask));
2389 int mask=0xFFFFFFFF;
2390 if (flagandtable.containsKey(temp)) {
2391 mask=((Integer)flagandtable.get(temp)).intValue();
2393 mask&=(0xFFFFFFFF^flagid);
2394 flagandtable.put(temp,new Integer(mask));
2400 HashSet flagtagset=new HashSet();
2401 flagtagset.addAll(flagortable.keySet());
2402 flagtagset.addAll(flagandtable.keySet());
2403 flagtagset.addAll(tagsettable.keySet());
2404 flagtagset.addAll(tagcleartable.keySet());
2406 Iterator ftit=flagtagset.iterator();
2407 while(ftit.hasNext()) {
2408 TempDescriptor temp=(TempDescriptor)ftit.next();
2411 Set tagtmps=tagcleartable.get(temp);
2412 if (tagtmps!=null) {
2413 Iterator tagit=tagtmps.iterator();
2414 while(tagit.hasNext()) {
2415 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2416 if (GENERATEPRECISEGC)
2417 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2419 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2423 tagtmps=tagsettable.get(temp);
2424 if (tagtmps!=null) {
2425 Iterator tagit=tagtmps.iterator();
2426 while(tagit.hasNext()) {
2427 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2428 if (GENERATEPRECISEGC)
2429 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2431 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2436 int andmask=0xFFFFFFF;
2438 if (flagortable.containsKey(temp))
2439 ormask=((Integer)flagortable.get(temp)).intValue();
2440 if (flagandtable.containsKey(temp))
2441 andmask=((Integer)flagandtable.get(temp)).intValue();
2442 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2443 generateObjectDistribute(ffan, fm, lb, temp, output);
2447 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2448 PrintWriter output, int ormask, int andmask) {
2449 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2450 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2452 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2456 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2457 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
2460 void generateOptionalHeader(PrintWriter headers) {
2463 headers.println("#include \"task.h\"\n\n");
2464 headers.println("#ifndef _OPTIONAL_STRUCT_");
2465 headers.println("#define _OPTIONAL_STRUCT_");
2467 //STRUCT PREDICATEMEMBER
2468 headers.println("struct predicatemember{");
2469 headers.println("int type;");
2470 headers.println("int numdnfterms;");
2471 headers.println("int * flags;");
2472 headers.println("int numtags;");
2473 headers.println("int * tags;\n};\n\n");
2475 //STRUCT OPTIONALTASKDESCRIPTOR
2476 headers.println("struct optionaltaskdescriptor{");
2477 headers.println("struct taskdescriptor * task;");
2478 headers.println("int index;");
2479 headers.println("int numenterflags;");
2480 headers.println("int * enterflags;");
2481 headers.println("int numpredicatemembers;");
2482 headers.println("struct predicatemember ** predicatememberarray;");
2483 headers.println("};\n\n");
2485 //STRUCT TASKFAILURE
2486 headers.println("struct taskfailure {");
2487 headers.println("struct taskdescriptor * task;");
2488 headers.println("int index;");
2489 headers.println("int numoptionaltaskdescriptors;");
2490 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2492 //STRUCT FSANALYSISWRAPPER
2493 headers.println("struct fsanalysiswrapper{");
2494 headers.println("int flags;");
2495 headers.println("int numtags;");
2496 headers.println("int * tags;");
2497 headers.println("int numtaskfailures;");
2498 headers.println("struct taskfailure ** taskfailurearray;");
2499 headers.println("int numoptionaltaskdescriptors;");
2500 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2502 //STRUCT CLASSANALYSISWRAPPER
2503 headers.println("struct classanalysiswrapper{");
2504 headers.println("int type;");
2505 headers.println("int numotd;");
2506 headers.println("struct optionaltaskdescriptor ** otdarray;");
2507 headers.println("int numfsanalysiswrappers;");
2508 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2510 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2512 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2513 while(taskit.hasNext()) {
2514 TaskDescriptor td=(TaskDescriptor)taskit.next();
2515 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2520 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2521 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2522 int predicateindex = 0;
2523 //iterate through the classes concerned by the predicate
2524 Set c_vard = predicate.vardescriptors;
2525 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2528 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
2529 VarDescriptor vard = (VarDescriptor)vard_it.next();
2530 TypeDescriptor typed = vard.getType();
2532 //generate for flags
2533 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2534 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2536 if (fen_hashset!=null) {
2537 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
2538 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2540 DNFFlag dflag=fen.getDNF();
2541 numberterms+=dflag.size();
2543 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2545 for(int j=0; j<dflag.size(); j++) {
2547 output.println(",");
2548 Vector term=dflag.get(j);
2551 for(int k=0; k<term.size(); k++) {
2552 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2553 FlagDescriptor fd=dfa.getFlag();
2554 boolean negated=dfa.getNegated();
2555 int flagid=1<<((Integer)flags.get(fd)).intValue();
2560 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2565 output.println("};\n");
2568 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2569 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2572 for(int j=0; j<tagel.numTags(); j++) {
2574 output.println(",");
2575 TempDescriptor tmp=tagel.getTemp(j);
2576 if (!slotnumber.containsKey(tmp)) {
2577 Integer slotint=new Integer(current_slot++);
2578 slotnumber.put(tmp,slotint);
2580 int slot=slotnumber.get(tmp).intValue();
2581 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2583 numtags = tagel.numTags();
2585 output.println("};");
2587 //store the result into a predicatemember struct
2588 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2589 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2590 output.println("/* number of dnf terms */"+numberterms+",");
2591 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2592 output.println("/* number of tag */"+numtags+",");
2593 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2594 output.println("};\n");
2599 //generate an array that stores the entire predicate
2600 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2601 for( int j = 0; j<predicateindex; j++) {
2602 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2603 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2605 output.println("};\n");
2606 return predicateindex;
2610 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2611 generateOptionalHeader(headers);
2613 output.println("#include \"optionalstruct.h\"\n\n");
2614 output.println("#include \"stdlib.h\"\n");
2616 HashSet processedcd = new HashSet();
2618 Enumeration e = safeexecution.keys();
2619 while (e.hasMoreElements()) {
2622 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2623 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
2625 //Generate the struct of optionals
2626 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2627 numotd = c_otd.size();
2628 if(maxotd<numotd) maxotd = numotd;
2629 if( !c_otd.isEmpty() ) {
2630 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2631 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2633 //generate the int arrays for the predicate
2634 Predicate predicate = otd.predicate;
2635 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
2636 TreeSet<Integer> fsset=new TreeSet<Integer>();
2637 //iterate through possible FSes corresponding to
2638 //the state when entering
2640 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
2641 FlagState fs = (FlagState)fses.next();
2643 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
2644 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2645 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2648 fsset.add(new Integer(flagid));
2649 //tag information not needed because tag
2650 //changes are not tolerated.
2653 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2654 boolean needcomma=false;
2655 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
2658 output.println(it.next());
2661 output.println("};\n");
2664 //generate optionaltaskdescriptor that actually
2665 //includes exit fses, predicate and the task
2667 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2668 output.println("&task_"+otd.td.getSafeSymbol()+",");
2669 output.println("/*index*/"+otd.getIndex()+",");
2670 output.println("/*number of enter flags*/"+fsset.size()+",");
2671 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2672 output.println("/*number of members */"+predicateindex+",");
2673 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2674 output.println("};\n");
2678 // if there are no optionals, there is no need to build the rest of the struct
2680 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
2681 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2682 if( !c_otd.isEmpty() ) {
2683 boolean needcomma=false;
2684 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2685 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2687 output.println(",");
2689 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2692 output.println("};\n");
2694 //get all the possible flagstates reachable by an object
2695 Hashtable hashtbtemp = safeexecution.get(cdtemp);
2697 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
2698 fsts.addAll(hashtbtemp.keySet());
2699 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
2700 FlagState fs = (FlagState)fsit.next();
2703 //get the set of OptionalTaskDescriptors corresponding
2704 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
2705 //iterate through the OptionalTaskDescriptors and
2706 //store the pointers to the optionals struct (see on
2707 //top) into an array
2709 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
2710 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
2711 OptionalTaskDescriptor mm = mos.next();
2713 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
2715 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2718 output.println("};\n");
2720 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
2723 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
2724 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2725 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2729 //process tag information
2732 boolean first = true;
2733 Enumeration tag_enum = fs.getTags();
2734 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2735 while(tag_enum.hasMoreElements()) {
2737 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
2741 output.println(", ");
2742 output.println("/*tagid*/"+state.getTagId(tagd));
2744 output.println("};");
2746 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
2747 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
2748 TaskIndex ti=itti.next();
2752 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
2754 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
2755 boolean needcomma=false;
2756 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
2757 OptionalTaskDescriptor otd=otdit.next();
2761 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2763 output.println("};");
2765 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
2766 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
2767 output.print(ti.getIndex()+", ");
2768 output.print(otdset.size()+", ");
2769 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
2770 output.println("};");
2773 tiset=sa.getTaskIndex(fs);
2774 boolean needcomma=false;
2776 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2777 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
2778 TaskIndex ti=itti.next();
2779 if (ti.isRuntime()) {
2786 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
2788 output.println("};\n");
2790 //Store the result in fsanalysiswrapper
2792 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
2793 output.println("/*flag*/"+flagid+",");
2794 output.println("/* number of tags*/"+tagcounter+",");
2795 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2796 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
2797 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2798 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
2799 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
2800 output.println("};\n");
2804 //Build the array of fsanalysiswrappers
2805 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
2806 boolean needcomma=false;
2807 for(int i = 0; i<fscounter; i++) {
2808 if (needcomma) output.print(",");
2809 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
2812 output.println("};");
2814 //Build the classanalysiswrapper referring to the previous array
2815 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
2816 output.println("/*type*/"+cdtemp.getId()+",");
2817 output.println("/*numotd*/"+numotd+",");
2818 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
2819 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
2820 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
2821 processedcd.add(cdtemp);
2824 //build an array containing every classes for which code has been build
2825 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
2826 for(int i=0; i<state.numClasses(); i++) {
2827 ClassDescriptor cn=cdarray[i];
2830 if (processedcd.contains(cn))
2831 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
2833 output.print("NULL");
2835 output.println("};");
2837 output.println("#define MAXOTD "+maxotd);
2838 headers.println("#endif");
2841 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
2842 Relation r=new Relation();
2843 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
2844 OptionalTaskDescriptor otd=otdit.next();
2845 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
2849 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
2850 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
2851 Set s=r.get(it.next());
2852 for(Iterator it2=s.iterator(); it2.hasNext();) {
2853 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
2861 protected void outputTransCode(PrintWriter output) {