2 import IR.Tree.FlagExpressionNode;
3 import IR.Tree.DNFFlag;
4 import IR.Tree.DNFFlagAtom;
5 import IR.Tree.TagExpressionList;
11 import Analysis.TaskStateAnalysis.FlagState;
12 import Analysis.TaskStateAnalysis.FlagComparator;
13 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
14 import Analysis.TaskStateAnalysis.Predicate;
15 import Analysis.TaskStateAnalysis.SafetyAnalysis;
16 import Analysis.TaskStateAnalysis.TaskIndex;
17 import Analysis.Locality.LocalityAnalysis;
18 import Analysis.Locality.LocalityBinding;
19 import Analysis.Prefetch.*;
21 public class BuildCode {
24 Hashtable paramstable;
29 String localsprefix="___locals___";
30 String paramsprefix="___params___";
31 String oidstr="___nextobject___";
32 String nextobjstr="___nextobject___";
33 String localcopystr="___localcopy___";
34 public static boolean GENERATEPRECISEGC=false;
35 public static String PREFIX="";
36 public static String arraytype="ArrayObject";
37 public static int flagcount = 0;
40 protected int maxtaskparams=0;
41 private int maxcount=0;
42 ClassDescriptor[] cdarray;
43 TypeDescriptor[] arraytable;
44 LocalityAnalysis locality;
45 Hashtable<TempDescriptor, TempDescriptor> backuptable;
46 Hashtable<LocalityBinding, TempDescriptor> reverttable;
50 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
51 this(st, temptovar, typeutil, null, sa, pa);
54 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
55 this(st, temptovar, typeutil, locality, null, pa);
58 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa) {
62 this.temptovar=temptovar;
63 paramstable=new Hashtable();
64 tempstable=new Hashtable();
65 fieldorder=new Hashtable();
66 flagorder=new Hashtable();
67 this.typeutil=typeutil;
68 virtualcalls=new Virtual(state,locality);
70 this.locality=locality;
71 this.backuptable=new Hashtable<TempDescriptor, TempDescriptor>();
72 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
76 /** The buildCode method outputs C code for all the methods. The Flat
77 * versions of the methods must already be generated and stored in
78 * the State object. */
80 public void buildCode() {
81 /* Create output streams to write to */
82 PrintWriter outclassdefs=null;
83 PrintWriter outstructs=null;
84 PrintWriter outrepairstructs=null;
85 PrintWriter outmethodheader=null;
86 PrintWriter outmethod=null;
87 PrintWriter outvirtual=null;
88 PrintWriter outtask=null;
89 PrintWriter outtaskdefs=null;
90 PrintWriter outoptionalarrays=null;
91 PrintWriter optionalheaders=null;
94 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
95 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
96 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
97 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
98 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
100 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
101 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
103 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
104 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
107 if (state.structfile!=null) {
108 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
110 } catch (Exception e) {
115 /* Build the virtual dispatch tables */
116 buildVirtualTables(outvirtual);
118 /* Output includes */
119 outmethodheader.println("#ifndef METHODHEADERS_H");
120 outmethodheader.println("#define METHODHEADERS_H");
121 outmethodheader.println("#include \"structdefs.h\"");
123 outmethodheader.println("#include \"dstm.h\"");
125 /* Output Structures */
126 outputStructs(outstructs);
128 // Output the C class declarations
129 // These could mutually reference each other
130 outputClassDeclarations(outclassdefs);
132 // Output function prototypes and structures for parameters
133 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
134 while(it.hasNext()) {
135 ClassDescriptor cn=(ClassDescriptor)it.next();
136 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
138 outclassdefs.close();
141 /* Map flags to integers */
142 /* The runtime keeps track of flags using these integers */
143 it=state.getClassSymbolTable().getDescriptorsIterator();
144 while(it.hasNext()) {
145 ClassDescriptor cn=(ClassDescriptor)it.next();
149 generateTaskStructs(outstructs, outmethodheader);
151 /* Outputs generic task structures if this is a task
153 outputTaskTypes(outtask);
156 /* Build the actual methods */
157 outputMethods(outmethod);
160 /* Output code for tasks */
161 outputTaskCode(outtaskdefs, outmethod);
163 /* Record maximum number of task parameters */
164 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
165 } else if (state.main!=null) {
166 /* Generate main method */
167 outputMainMethod(outmethod);
170 /* Generate information for task with optional parameters */
171 if (state.TASK&&state.OPTIONAL){
172 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
173 outoptionalarrays.close();
176 /* Output structure definitions for repair tool */
177 if (state.structfile!=null) {
178 buildRepairStructs(outrepairstructs);
179 outrepairstructs.close();
183 outmethodheader.println("#endif");
184 outmethodheader.close();
186 outstructs.println("#endif");
190 /* This code just generates the main C method for java programs.
191 * The main C method packs up the arguments into a string array
192 * and passes it to the java main method. */
194 private void outputMainMethod(PrintWriter outmethod) {
195 outmethod.println("int main(int argc, const char *argv[]) {");
196 outmethod.println(" int i;");
197 outmethod.println("#ifdef TRANSSTATS \n");
198 outmethod.println("handle();\n");
199 outmethod.println("#endif\n");
200 if (state.THREAD||state.DSM) {
201 outmethod.println("initializethreads();");
204 outmethod.println("if (dstmStartup(argv[1])) {");
205 if (GENERATEPRECISEGC) {
206 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
208 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
211 if (GENERATEPRECISEGC) {
212 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
214 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
218 outmethod.println(" for(i=2;i<argc;i++) {");
220 outmethod.println(" for(i=1;i<argc;i++) {");
221 outmethod.println(" int length=strlen(argv[i]);");
222 if (GENERATEPRECISEGC) {
223 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
225 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
228 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
230 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
231 outmethod.println(" }");
234 MethodDescriptor md=typeutil.getMain();
235 ClassDescriptor cd=typeutil.getMainClass();
237 outmethod.println(" {");
238 if (GENERATEPRECISEGC) {
240 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
242 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
243 outmethod.println("1, NULL,"+"stringarray};");
245 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
247 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
250 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
252 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
254 outmethod.println(" }");
257 outmethod.println("}");
260 if (state.THREAD||state.DSM) {
261 outmethod.println("pthread_mutex_lock(&gclistlock);");
262 outmethod.println("threadcount--;");
263 outmethod.println("pthread_cond_signal(&gccond);");
264 outmethod.println("pthread_mutex_unlock(&gclistlock);");
266 outmethod.println("pthread_exit(NULL);");
269 outmethod.println("#ifdef TRANSSTATS \n");
270 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
271 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
272 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
273 outmethod.println("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("#endif\n");
278 outmethod.println("}");
282 /* This method outputs code for each task. */
284 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
285 /* Compile task based program */
286 outtaskdefs.println("#include \"task.h\"");
287 outtaskdefs.println("#include \"methodheaders.h\"");
288 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
289 while(taskit.hasNext()) {
290 TaskDescriptor td=(TaskDescriptor)taskit.next();
291 FlatMethod fm=state.getMethodFlat(td);
292 generateFlatMethod(fm, null, outmethod);
293 generateTaskDescriptor(outtaskdefs, fm, td);
296 //Output task descriptors
297 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
298 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
300 while(taskit.hasNext()) {
301 TaskDescriptor td=(TaskDescriptor)taskit.next();
305 outtaskdefs.println(",");
306 outtaskdefs.print("&task_"+td.getSafeSymbol());
308 outtaskdefs.println("};");
310 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
313 /* This method outputs most of the methods.c file. This includes
314 * some standard includes and then an array with the sizes of
315 * objets and array that stores supertype and then the code for
316 * the Java methods.. */
318 protected void outputMethods(PrintWriter outmethod) {
319 outmethod.println("#include \"methodheaders.h\"");
320 outmethod.println("#include \"virtualtable.h\"");
321 outmethod.println("#include \"runtime.h\"");
323 outmethod.println("#include \"addPrefetchEnhance.h\"");
324 outmethod.println("#include \"localobjects.h\"");
326 if(state.MULTICORE) {
327 outmethod.println("#include \"task.h\"");
329 if (state.THREAD||state.DSM)
330 outmethod.println("#include <thread.h>");
331 if (state.main!=null) {
332 outmethod.println("#include <string.h>");
334 if (state.CONSCHECK) {
335 outmethod.println("#include \"checkers.h\"");
337 //Store the sizes of classes & array elements
338 generateSizeArray(outmethod);
340 //Store table of supertypes
341 generateSuperTypeTable(outmethod);
343 //Store the layout of classes
344 generateLayoutStructs(outmethod);
346 /* Generate code for methods */
348 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator();lbit.hasNext();) {
349 LocalityBinding lb=lbit.next();
350 MethodDescriptor md=lb.getMethod();
351 FlatMethod fm=state.getMethodFlat(md);
352 if (!md.getModifiers().isNative()) {
353 generateFlatMethod(fm, lb, outmethod);
357 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
358 while(classit.hasNext()) {
359 ClassDescriptor cn=(ClassDescriptor)classit.next();
360 Iterator methodit=cn.getMethods();
361 while(methodit.hasNext()) {
362 /* Classify parameters */
363 MethodDescriptor md=(MethodDescriptor)methodit.next();
364 FlatMethod fm=state.getMethodFlat(md);
365 if (!md.getModifiers().isNative()) {
366 generateFlatMethod(fm, null, outmethod);
373 protected void outputStructs(PrintWriter outstructs) {
374 outstructs.println("#ifndef STRUCTDEFS_H");
375 outstructs.println("#define STRUCTDEFS_H");
376 outstructs.println("#include \"classdefs.h\"");
378 /* Output #defines that the runtime uses to determine type
379 * numbers for various objects it needs */
380 outstructs.println("#define MAXCOUNT "+maxcount);
382 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
383 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
384 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
387 outstructs.println("#define STRINGARRAYTYPE "+
388 (state.getArrayNumber(
389 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
391 outstructs.println("#define OBJECTARRAYTYPE "+
392 (state.getArrayNumber(
393 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
396 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
397 outstructs.println("#define CHARARRAYTYPE "+
398 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
400 outstructs.println("#define BYTEARRAYTYPE "+
401 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
403 outstructs.println("#define BYTEARRAYARRAYTYPE "+
404 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
406 outstructs.println("#define NUMCLASSES "+state.numClasses());
408 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
409 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
410 outstructs.println("#define TAGARRAYTYPE "+
411 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
415 protected void outputClassDeclarations(PrintWriter outclassdefs) {
416 if (state.THREAD||state.DSM)
417 outclassdefs.println("#include <pthread.h>");
419 outclassdefs.println("#include \"optionalstruct.h\"");
420 outclassdefs.println("struct "+arraytype+";");
421 /* Start by declaring all structs */
422 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
423 while(it.hasNext()) {
424 ClassDescriptor cn=(ClassDescriptor)it.next();
425 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
427 outclassdefs.println("");
428 //Print out definition for array type
429 outclassdefs.println("struct "+arraytype+" {");
430 outclassdefs.println(" int type;");
432 outclassdefs.println(" pthread_t tid;");
433 outclassdefs.println(" void * lockentry;");
434 outclassdefs.println(" int lockcount;");
437 outclassdefs.println(" int flag;");
438 if(!state.MULTICORE) {
439 outclassdefs.println(" void * flagptr;");
441 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
442 outclassdefs.println(" int version;");
443 outclassdefs.println(" struct ___Object___ * original;");
446 outclassdefs.println(" int numfses;");
447 outclassdefs.println(" int * fses;");
450 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
452 outclassdefs.println(" int ___length___;");
453 outclassdefs.println("};\n");
454 outclassdefs.println("extern int classsize[];");
455 outclassdefs.println("extern int hasflags[];");
456 outclassdefs.println("extern unsigned int * pointerarray[];");
457 outclassdefs.println("extern int supertypes[];");
460 /** Prints out definitions for generic task structures */
462 private void outputTaskTypes(PrintWriter outtask) {
463 outtask.println("#ifndef _TASK_H");
464 outtask.println("#define _TASK_H");
465 outtask.println("struct parameterdescriptor {");
466 outtask.println("int type;");
467 outtask.println("int numberterms;");
468 outtask.println("int *intarray;");
469 outtask.println("void * queue;");
470 outtask.println("int numbertags;");
471 outtask.println("int *tagarray;");
472 outtask.println("};");
474 outtask.println("struct taskdescriptor {");
475 outtask.println("void * taskptr;");
476 outtask.println("int numParameters;");
477 outtask.println(" int numTotal;");
478 outtask.println("struct parameterdescriptor **descriptorarray;");
479 outtask.println("char * name;");
480 outtask.println("};");
481 outtask.println("extern struct taskdescriptor * taskarray[];");
482 outtask.println("extern numtasks;");
483 outtask.println("#endif");
487 private void buildRepairStructs(PrintWriter outrepairstructs) {
488 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
489 while(classit.hasNext()) {
490 ClassDescriptor cn=(ClassDescriptor)classit.next();
491 outrepairstructs.println("structure "+cn.getSymbol()+" {");
492 outrepairstructs.println(" int __type__;");
494 outrepairstructs.println(" int __flag__;");
495 if(!state.MULTICORE) {
496 outrepairstructs.println(" int __flagptr__;");
499 printRepairStruct(cn, outrepairstructs);
500 outrepairstructs.println("}\n");
503 for(int i=0;i<state.numArrays();i++) {
504 TypeDescriptor tdarray=arraytable[i];
505 TypeDescriptor tdelement=tdarray.dereference();
506 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
507 outrepairstructs.println(" int __type__;");
508 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
509 outrepairstructs.println(" int length;");
511 // Need to add support to repair tool for this
512 if (tdelement.isClass()||tdelement.isArray())
513 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
515 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
517 outrepairstructs.println("}\n");
521 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
522 ClassDescriptor sp=cn.getSuperDesc();
524 printRepairStruct(sp, output);
526 Vector fields=(Vector)fieldorder.get(cn);
528 for(int i=0;i<fields.size();i++) {
529 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
530 if (fd.getType().isArray()) {
531 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
532 } else if (fd.getType().isClass())
533 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
534 else if (fd.getType().isFloat())
535 output.println(" int "+fd.getSymbol()+"; /* really float */");
537 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
541 /** This method outputs TaskDescriptor information */
542 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
543 for (int i=0;i<task.numParameters();i++) {
544 VarDescriptor param_var=task.getParameter(i);
545 TypeDescriptor param_type=task.getParamType(i);
546 FlagExpressionNode param_flag=task.getFlag(param_var);
547 TagExpressionList param_tag=task.getTag(param_var);
550 if (param_flag==null) {
551 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
552 output.println("0x0, 0x0 };");
555 DNFFlag dflag=param_flag.getDNF();
556 dnfterms=dflag.size();
558 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
559 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
560 for(int j=0;j<dflag.size();j++) {
563 Vector term=dflag.get(j);
566 for(int k=0;k<term.size();k++) {
567 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
568 FlagDescriptor fd=dfa.getFlag();
569 boolean negated=dfa.getNegated();
570 int flagid=1<<((Integer)flags.get(fd)).intValue();
575 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
577 output.println("};");
580 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
581 //BUG...added next line to fix, test with any task program
583 for(int j=0;j<param_tag.numTags();j++) {
586 /* for each tag we need */
587 /* which slot it is */
588 /* what type it is */
589 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
590 TempDescriptor tmp=param_tag.getTemp(j);
591 int slot=fm.getTagInt(tmp);
592 output.println(slot+", "+state.getTagId(tvd.getTag()));
594 output.println("};");
596 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
597 output.println("/* type */"+param_type.getClassDesc().getId()+",");
598 output.println("/* number of DNF terms */"+dnfterms+",");
599 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
600 output.println("0,");
601 //BUG, added next line to fix and else statement...test
602 //with any task program
604 output.println("/* number of tags */"+param_tag.numTags()+",");
606 output.println("/* number of tags */ 0,");
607 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
608 output.println("};");
612 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
613 for (int i=0;i<task.numParameters();i++) {
616 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
618 output.println("};");
620 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
621 output.println("&"+task.getSafeSymbol()+",");
622 output.println("/* number of parameters */" +task.numParameters() + ",");
623 int numtotal=task.numParameters()+fm.numTags();
624 output.println("/* number total parameters */" +numtotal + ",");
625 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
626 output.println("\""+task.getSymbol()+"\"");
627 output.println("};");
631 /** The buildVirtualTables method outputs the virtual dispatch
632 * tables for methods. */
634 protected void buildVirtualTables(PrintWriter outvirtual) {
635 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
636 while(classit.hasNext()) {
637 ClassDescriptor cd=(ClassDescriptor)classit.next();
638 if (virtualcalls.getMethodCount(cd)>maxcount)
639 maxcount=virtualcalls.getMethodCount(cd);
641 MethodDescriptor[][] virtualtable=null;
642 LocalityBinding[][] lbvirtualtable=null;
644 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
646 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
648 /* Fill in virtual table */
649 classit=state.getClassSymbolTable().getDescriptorsIterator();
650 while(classit.hasNext()) {
651 ClassDescriptor cd=(ClassDescriptor)classit.next();
653 fillinRow(cd, lbvirtualtable, cd.getId());
655 fillinRow(cd, virtualtable, cd.getId());
658 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
659 Iterator arrayit=state.getArrayIterator();
660 while(arrayit.hasNext()) {
661 TypeDescriptor td=(TypeDescriptor)arrayit.next();
662 int id=state.getArrayNumber(td);
664 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
666 fillinRow(objectcd, virtualtable, id+state.numClasses());
669 outvirtual.print("void * virtualtable[]={");
670 boolean needcomma=false;
671 for(int i=0;i<state.numClasses()+state.numArrays();i++) {
672 for(int j=0;j<maxcount;j++) {
674 outvirtual.print(", ");
675 if (state.DSM&&lbvirtualtable[i][j]!=null) {
676 LocalityBinding lb=lbvirtualtable[i][j];
677 MethodDescriptor md=lb.getMethod();
678 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
679 } else if (!state.DSM&&virtualtable[i][j]!=null) {
680 MethodDescriptor md=virtualtable[i][j];
681 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
683 outvirtual.print("0");
687 outvirtual.println("");
689 outvirtual.println("};");
693 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
694 /* Get inherited methods */
695 if (cd.getSuperDesc()!=null)
696 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
697 /* Override them with our methods */
698 for(Iterator it=cd.getMethods();it.hasNext();) {
699 MethodDescriptor md=(MethodDescriptor)it.next();
700 if (md.isStatic()||md.getReturnType()==null)
702 int methodnum=virtualcalls.getMethodNumber(md);
703 virtualtable[rownum][methodnum]=md;
707 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
708 /* Get inherited methods */
709 if (cd.getSuperDesc()!=null)
710 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
711 /* Override them with our methods */
712 if (locality.getClassBindings(cd)!=null)
713 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator();lbit.hasNext();) {
714 LocalityBinding lb=lbit.next();
715 MethodDescriptor md=lb.getMethod();
716 //Is the method static or a constructor
717 if (md.isStatic()||md.getReturnType()==null)
719 int methodnum=virtualcalls.getLocalityNumber(lb);
720 virtualtable[rownum][methodnum]=lb;
725 /** Generate array that contains the sizes of class objects. The
726 * object allocation functions in the runtime use this
729 private void generateSizeArray(PrintWriter outclassdefs) {
730 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
731 outclassdefs.print("#ifdef TRANSSTATS \n");
732 outclassdefs.print("extern int numTransAbort;\n");
733 outclassdefs.print("extern int numTransCommit;\n");
734 outclassdefs.print("extern int nchashSearch;\n");
735 outclassdefs.print("extern int nmhashSearch;\n");
736 outclassdefs.print("extern int nprehashSearch;\n");
737 outclassdefs.print("extern int nRemoteSend;\n");
738 outclassdefs.print("extern void handle();\n");
739 outclassdefs.print("#endif\n");
740 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
742 outclassdefs.print("int classsize[]={");
743 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
744 cdarray=new ClassDescriptor[state.numClasses()];
745 while(it.hasNext()) {
746 ClassDescriptor cd=(ClassDescriptor)it.next();
747 cdarray[cd.getId()]=cd;
749 boolean needcomma=false;
750 for(int i=0;i<state.numClasses();i++) {
752 outclassdefs.print(", ");
753 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
757 arraytable=new TypeDescriptor[state.numArrays()];
759 Iterator arrayit=state.getArrayIterator();
760 while(arrayit.hasNext()) {
761 TypeDescriptor td=(TypeDescriptor)arrayit.next();
762 int id=state.getArrayNumber(td);
766 for(int i=0;i<state.numArrays();i++) {
768 outclassdefs.print(", ");
769 TypeDescriptor tdelement=arraytable[i].dereference();
770 if (tdelement.isArray()||tdelement.isClass())
771 outclassdefs.print("sizeof(void *)");
773 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
777 outclassdefs.println("};");
780 /** Constructs params and temp objects for each method or task.
781 * These objects tell the compiler which temps need to be
784 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
785 MethodDescriptor md=fm.getMethod();
786 TaskDescriptor task=fm.getTask();
787 Set<TempDescriptor> saveset=lb!=null?locality.getTempSet(lb):null;
788 ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
791 paramstable.put(lb, objectparams);
793 paramstable.put(md, objectparams);
795 paramstable.put(task, objectparams);
797 for(int i=0;i<fm.numParameters();i++) {
798 TempDescriptor temp=fm.getParameter(i);
799 TypeDescriptor type=temp.getType();
800 if (type.isPtr()&&GENERATEPRECISEGC)
801 objectparams.addPtr(temp);
803 objectparams.addPrim(temp);
804 if(lb!=null&&saveset.contains(temp)) {
805 backuptable.put(temp, temp.createNew());
809 for(int i=0;i<fm.numTags();i++) {
810 TempDescriptor temp=fm.getTag(i);
811 if (GENERATEPRECISEGC)
812 objectparams.addPtr(temp);
814 objectparams.addPrim(temp);
817 TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
819 tempstable.put(lb, objecttemps);
821 tempstable.put(md, objecttemps);
823 tempstable.put(task, objecttemps);
825 for(Iterator nodeit=fm.getNodeSet().iterator();nodeit.hasNext();) {
826 FlatNode fn=(FlatNode)nodeit.next();
827 TempDescriptor[] writes=fn.writesTemps();
828 for(int i=0;i<writes.length;i++) {
829 TempDescriptor temp=writes[i];
830 TypeDescriptor type=temp.getType();
831 if (type.isPtr()&&GENERATEPRECISEGC)
832 objecttemps.addPtr(temp);
834 objecttemps.addPrim(temp);
835 if(lb!=null&&saveset.contains(temp)&&
836 !backuptable.containsKey(temp))
837 backuptable.put(temp, temp.createNew());
841 /* Create backup temps */
843 for(Iterator<TempDescriptor> tmpit=backuptable.values().iterator();tmpit.hasNext();) {
844 TempDescriptor tmp=tmpit.next();
845 TypeDescriptor type=tmp.getType();
846 if (type.isPtr()&&GENERATEPRECISEGC)
847 objecttemps.addPtr(tmp);
849 objecttemps.addPrim(tmp);
851 /* Create temp to hold revert table */
852 if (lb.getHasAtomic()||lb.isAtomic()) {
853 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
854 if (GENERATEPRECISEGC)
855 objecttemps.addPtr(reverttmp);
857 objecttemps.addPrim(reverttmp);
858 reverttable.put(lb, reverttmp);
863 /** This method outputs the following information about classes
865 * (1) For classes, what are the locations of pointers.
866 * (2) For arrays, does the array contain pointers or primitives.
867 * (3) For classes, does the class contain flags.
870 private void generateLayoutStructs(PrintWriter output) {
871 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
872 while(it.hasNext()) {
873 ClassDescriptor cn=(ClassDescriptor)it.next();
874 output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
875 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
877 while(allit.hasNext()) {
878 FieldDescriptor fd=(FieldDescriptor)allit.next();
879 TypeDescriptor type=fd.getType();
880 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
886 allit=cn.getFieldTable().getAllDescriptorsIterator();
887 while(allit.hasNext()) {
888 FieldDescriptor fd=(FieldDescriptor)allit.next();
889 TypeDescriptor type=fd.getType();
890 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
894 output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
897 output.println("};");
899 output.println("unsigned int * pointerarray[]={");
900 boolean needcomma=false;
901 for(int i=0;i<state.numClasses();i++) {
902 ClassDescriptor cn=cdarray[i];
906 output.print(cn.getSafeSymbol()+"_pointers");
909 for(int i=0;i<state.numArrays();i++) {
911 output.println(", ");
912 TypeDescriptor tdelement=arraytable[i].dereference();
913 if (tdelement.isArray()||tdelement.isClass())
914 output.print("((unsigned int *)1)");
920 output.println("};");
922 output.println("int hasflags[]={");
923 for(int i=0;i<state.numClasses();i++) {
924 ClassDescriptor cn=cdarray[i];
926 output.println(", ");
933 output.println("};");
936 /** Print out table to give us supertypes */
937 private void generateSuperTypeTable(PrintWriter output) {
938 output.println("int supertypes[]={");
939 boolean needcomma=false;
940 for(int i=0;i<state.numClasses();i++) {
941 ClassDescriptor cn=cdarray[i];
945 if (cn.getSuperDesc()!=null) {
946 ClassDescriptor cdsuper=cn.getSuperDesc();
947 output.print(cdsuper.getId());
951 output.println("};");
954 /** Force consistent field ordering between inherited classes. */
956 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
958 ClassDescriptor sp=cn.getSuperDesc();
960 printClassStruct(sp, classdefout);
962 if (!fieldorder.containsKey(cn)) {
963 Vector fields=new Vector();
964 fieldorder.put(cn,fields);
965 if (sp==null&&!state.TASK) {
966 fields.add(cn.getFieldTable().get("cachedCode"));
968 Iterator fieldit=cn.getFields();
969 while(fieldit.hasNext()) {
970 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
971 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
972 (!fd.getSymbol().equals("cachedCode")||state.TASK))
976 Vector fields=(Vector)fieldorder.get(cn);
978 for(int i=0;i<fields.size();i++) {
979 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
980 if (fd.getType().isClass()||fd.getType().isArray())
981 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
983 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
988 /* Map flags to integers consistently between inherited
991 protected void mapFlags(ClassDescriptor cn) {
992 ClassDescriptor sp=cn.getSuperDesc();
996 if (!flagorder.containsKey(cn)) {
997 Hashtable flags=new Hashtable();
998 flagorder.put(cn,flags);
1000 Hashtable superflags=(Hashtable)flagorder.get(sp);
1001 Iterator superflagit=superflags.keySet().iterator();
1002 while(superflagit.hasNext()) {
1003 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1004 Integer number=(Integer)superflags.get(fd);
1005 flags.put(fd, number);
1006 if ((number.intValue()+1)>max)
1007 max=number.intValue()+1;
1011 Iterator flagit=cn.getFlags();
1012 while(flagit.hasNext()) {
1013 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1014 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1015 flags.put(fd, new Integer(max++));
1021 /** This function outputs (1) structures that parameters are
1022 * passed in (when PRECISE GC is enabled) and (2) function
1023 * prototypes for the methods */
1025 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1026 /* Output class structure */
1027 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1028 classdefout.println(" int type;");
1030 classdefout.println(" pthread_t tid;");
1031 classdefout.println(" void * lockentry;");
1032 classdefout.println(" int lockcount;");
1036 classdefout.println(" int flag;");
1037 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1038 classdefout.println(" void * flagptr;");
1039 } else if (state.MULTICORE){
1040 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1041 classdefout.println(" int version;");
1042 classdefout.println(" struct ___Object___ * original;");
1044 if (state.OPTIONAL){
1045 classdefout.println(" int numfses;");
1046 classdefout.println(" int * fses;");
1049 printClassStruct(cn, classdefout);
1050 classdefout.println("};\n");
1053 /* Cycle through LocalityBindings */
1054 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1055 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1057 for(Iterator<LocalityBinding> lbit=lbset.iterator();lbit.hasNext();) {
1058 LocalityBinding lb=lbit.next();
1059 MethodDescriptor md=lb.getMethod();
1060 if (md.getModifiers().isNative()) {
1061 //make sure we only print a native method once
1062 if (nativemethods.contains(md)) {
1063 FlatMethod fm=state.getMethodFlat(md);
1064 generateTempStructs(fm, lb);
1067 nativemethods.add(md);
1069 generateMethod(cn, md, lb, headersout, output);
1072 for(Iterator methodit=cn.getMethods();methodit.hasNext();) {
1073 MethodDescriptor md=(MethodDescriptor)methodit.next();
1074 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1075 //Need to build param structure for library code
1076 FlatMethod fm=state.getMethodFlat(md);
1077 generateTempStructs(fm, null);
1078 generateMethodParam(cn, md, null, output);
1083 for(Iterator methodit=cn.getMethods();methodit.hasNext();) {
1084 MethodDescriptor md=(MethodDescriptor)methodit.next();
1085 generateMethod(cn, md, null, headersout, output);
1089 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1090 /* Output parameter structure */
1091 if (GENERATEPRECISEGC) {
1092 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null?lb:md);
1093 if (state.DSM&&lb!=null)
1094 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1096 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1097 output.println(" int size;");
1098 output.println(" void * next;");
1099 for(int i=0;i<objectparams.numPointers();i++) {
1100 TempDescriptor temp=objectparams.getPointer(i);
1101 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1103 output.println("};\n");
1108 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1109 FlatMethod fm=state.getMethodFlat(md);
1110 generateTempStructs(fm, lb);
1112 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null?lb:md);
1113 TempObject objecttemps=(TempObject) tempstable.get(lb!=null?lb:md);
1115 generateMethodParam(cn, md, lb, output);
1117 /* Output temp structure */
1118 if (GENERATEPRECISEGC) {
1120 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1122 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1123 output.println(" int size;");
1124 output.println(" void * next;");
1125 for(int i=0;i<objecttemps.numPointers();i++) {
1126 TempDescriptor temp=objecttemps.getPointer(i);
1127 if (temp.getType().isNull())
1128 output.println(" void * "+temp.getSafeSymbol()+";");
1130 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1132 output.println("};\n");
1135 /********* Output method declaration ***********/
1137 /* First the return type */
1138 if (md.getReturnType()!=null) {
1139 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1140 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1142 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1144 //catch the constructor case
1145 headersout.print("void ");
1147 /* Next the method name */
1149 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1151 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1153 boolean printcomma=false;
1154 if (GENERATEPRECISEGC) {
1156 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1158 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1162 if (state.DSM&&lb.isAtomic()&&!md.getModifiers().isNative()) {
1164 headersout.print(", ");
1165 headersout.print("transrecord_t * trans");
1169 /* Output parameter list*/
1170 for(int i=0;i<objectparams.numPrimitives();i++) {
1171 TempDescriptor temp=objectparams.getPrimitive(i);
1173 headersout.print(", ");
1175 if (temp.getType().isClass()||temp.getType().isArray())
1176 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1178 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1180 headersout.println(");\n");
1184 /** This function outputs (1) structures that parameters are
1185 * passed in (when PRECISE GC is enabled) and (2) function
1186 * prototypes for the tasks */
1188 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1189 /* Cycle through tasks */
1190 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1192 while(taskit.hasNext()) {
1193 /* Classify parameters */
1194 TaskDescriptor task=(TaskDescriptor)taskit.next();
1195 FlatMethod fm=state.getMethodFlat(task);
1196 generateTempStructs(fm, null);
1198 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1199 TempObject objecttemps=(TempObject) tempstable.get(task);
1201 /* Output parameter structure */
1202 if (GENERATEPRECISEGC) {
1203 output.println("struct "+task.getSafeSymbol()+"_params {");
1205 output.println(" int size;");
1206 output.println(" void * next;");
1207 for(int i=0;i<objectparams.numPointers();i++) {
1208 TempDescriptor temp=objectparams.getPointer(i);
1209 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1212 output.println("};\n");
1213 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1214 maxtaskparams=objectparams.numPointers()+fm.numTags();
1218 /* Output temp structure */
1219 if (GENERATEPRECISEGC) {
1220 output.println("struct "+task.getSafeSymbol()+"_locals {");
1221 output.println(" int size;");
1222 output.println(" void * next;");
1223 for(int i=0;i<objecttemps.numPointers();i++) {
1224 TempDescriptor temp=objecttemps.getPointer(i);
1225 if (temp.getType().isNull())
1226 output.println(" void * "+temp.getSafeSymbol()+";");
1227 else if(temp.getType().isTag())
1228 output.println(" struct "+
1229 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1231 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1233 output.println("};\n");
1236 /* Output task declaration */
1237 headersout.print("void " + task.getSafeSymbol()+"(");
1239 boolean printcomma=false;
1240 if (GENERATEPRECISEGC) {
1241 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1243 headersout.print("void * parameterarray[]");
1244 headersout.println(");\n");
1248 /***** Generate code for FlatMethod fm. *****/
1250 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1251 if (State.PRINTFLAT)
1252 System.out.println(fm.printMethod());
1253 MethodDescriptor md=fm.getMethod();
1255 TaskDescriptor task=fm.getTask();
1257 ClassDescriptor cn=md!=null?md.getClassDesc():null;
1259 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:md!=null?md:task);
1260 generateHeader(fm, lb, md!=null?md:task,output);
1261 TempObject objecttemp=(TempObject) tempstable.get(lb!=null?lb:md!=null?md:task);
1262 if (state.DSM&&lb.getHasAtomic()) {
1263 output.println("transrecord_t * trans;");
1266 if (GENERATEPRECISEGC) {
1267 if (md!=null&&state.DSM)
1268 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1269 else if (md!=null&&!state.DSM)
1270 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1272 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1274 output.print(objecttemp.numPointers()+",");
1275 output.print(paramsprefix);
1276 for(int j=0;j<objecttemp.numPointers();j++)
1277 output.print(", NULL");
1278 output.println("};");
1281 for(int i=0;i<objecttemp.numPrimitives();i++) {
1282 TempDescriptor td=objecttemp.getPrimitive(i);
1283 TypeDescriptor type=td.getType();
1285 output.println(" void * "+td.getSafeSymbol()+";");
1286 else if (type.isClass()||type.isArray())
1287 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1289 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1292 /* Assign labels to FlatNode's if necessary.*/
1294 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(fm);
1296 /* Check to see if we need to do a GC if this is a
1297 * multi-threaded program...*/
1299 if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
1300 if (state.DSM&&lb.isAtomic())
1301 output.println("checkcollect2(&"+localsprefix+",trans);");
1303 output.println("checkcollect(&"+localsprefix+");");
1306 /* Do the actual code generation */
1307 FlatNode current_node=null;
1308 HashSet tovisit=new HashSet();
1309 HashSet visited=new HashSet();
1310 tovisit.add(fm.getNext(0));
1311 while(current_node!=null||!tovisit.isEmpty()) {
1312 if (current_node==null) {
1313 current_node=(FlatNode)tovisit.iterator().next();
1314 tovisit.remove(current_node);
1316 visited.add(current_node);
1317 if (nodetolabel.containsKey(current_node))
1318 output.println("L"+nodetolabel.get(current_node)+":");
1319 if (state.INSTRUCTIONFAILURE) {
1320 if (state.THREAD||state.DSM) {
1321 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1324 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1326 if (current_node.numNext()==0) {
1328 generateFlatNode(fm, lb, current_node, output);
1329 if (current_node.kind()!=FKind.FlatReturnNode) {
1330 output.println(" return;");
1333 } else if(current_node.numNext()==1) {
1335 generateFlatNode(fm, lb, current_node, output);
1336 FlatNode nextnode=current_node.getNext(0);
1337 if (visited.contains(nextnode)) {
1338 output.println("goto L"+nodetolabel.get(nextnode)+";");
1341 current_node=nextnode;
1342 } else if (current_node.numNext()==2) {
1345 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1346 if (!visited.contains(current_node.getNext(1)))
1347 tovisit.add(current_node.getNext(1));
1348 if (visited.contains(current_node.getNext(0))) {
1349 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1352 current_node=current_node.getNext(0);
1353 } else throw new Error();
1355 output.println("}\n\n");
1358 /** This method assigns labels to FlatNodes */
1360 protected Hashtable<FlatNode, Integer> assignLabels(FlatMethod fm) {
1361 HashSet tovisit=new HashSet();
1362 HashSet visited=new HashSet();
1364 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1365 tovisit.add(fm.getNext(0));
1367 /*Assign labels first. A node needs a label if the previous
1368 * node has two exits or this node is a join point. */
1370 while(!tovisit.isEmpty()) {
1371 FlatNode fn=(FlatNode)tovisit.iterator().next();
1374 for(int i=0;i<fn.numNext();i++) {
1375 FlatNode nn=fn.getNext(i);
1377 //1) Edge >1 of node
1378 nodetolabel.put(nn,new Integer(labelindex++));
1380 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1384 nodetolabel.put(nn,new Integer(labelindex++));
1392 /** Generate text string that corresponds to the TempDescriptor td. */
1393 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1394 MethodDescriptor md=fm.getMethod();
1395 TaskDescriptor task=fm.getTask();
1396 TempObject objecttemps=(TempObject) tempstable.get(lb!=null?lb:md!=null?md:task);
1398 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1399 return td.getSafeSymbol();
1402 if (objecttemps.isLocalPtr(td)) {
1403 return localsprefix+"."+td.getSafeSymbol();
1406 if (objecttemps.isParamPtr(td)) {
1407 return paramsprefix+"->"+td.getSafeSymbol();
1412 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1414 case FKind.FlatAtomicEnterNode:
1415 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1417 case FKind.FlatAtomicExitNode:
1418 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1420 case FKind.FlatGlobalConvNode:
1421 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1423 case FKind.FlatTagDeclaration:
1424 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1426 case FKind.FlatCall:
1427 generateFlatCall(fm, lb, (FlatCall) fn,output);
1429 case FKind.FlatFieldNode:
1430 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1432 case FKind.FlatElementNode:
1433 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1435 case FKind.FlatSetElementNode:
1436 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1438 case FKind.FlatSetFieldNode:
1439 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1442 generateFlatNew(fm, lb, (FlatNew) fn,output);
1444 case FKind.FlatOpNode:
1445 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1447 case FKind.FlatCastNode:
1448 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1450 case FKind.FlatLiteralNode:
1451 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1453 case FKind.FlatReturnNode:
1454 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1457 output.println("/* nop */");
1459 case FKind.FlatBackEdge:
1460 if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
1461 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1462 output.println("checkcollect2(&"+localsprefix+",trans);");
1464 output.println("checkcollect(&"+localsprefix+");");
1466 output.println("/* nop */");
1468 case FKind.FlatCheckNode:
1469 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1471 case FKind.FlatFlagActionNode:
1472 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1474 case FKind.FlatPrefetchNode:
1475 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1481 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1482 if (state.PREFETCH) {
1483 Vector oids = new Vector();
1484 Vector fieldoffset = new Vector();
1485 Vector endoffset = new Vector();
1486 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1487 for(Iterator it = fpn.hspp.iterator();it.hasNext();) {
1488 PrefetchPair pp = (PrefetchPair) it.next();
1489 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1490 /* Find prefetches that can generate oid */
1491 if(statusbase == LocalityAnalysis.GLOBAL) {
1492 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1494 } else if (statusbase == LocalityAnalysis.LOCAL) {
1495 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1502 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
1503 output.println("{");
1504 output.println("/* prefetch */");
1505 output.println("/* prefetchid_" + fpn.siteid + " */");
1506 output.println("void * prefptr;");
1507 output.println("int tmpindex;");
1509 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1510 /*Create C code for oid array */
1511 output.print(" unsigned int oidarray_[] = {");
1512 boolean needcomma=false;
1513 for (Iterator it = oids.iterator();it.hasNext();) {
1516 output.print(it.next());
1519 output.println("};");
1521 /*Create C code for endoffset values */
1522 output.print(" unsigned short endoffsetarry_[] = {");
1524 for (Iterator it = endoffset.iterator();it.hasNext();) {
1527 output.print(it.next());
1530 output.println("};");
1532 /*Create C code for Field Offset Values */
1533 output.print(" short fieldarry_[] = {");
1535 for (Iterator it = fieldoffset.iterator();it.hasNext();) {
1538 output.print(it.next());
1541 output.println("};");
1542 /* make the prefetch call to Runtime */
1543 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1544 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1545 output.println(" }");
1546 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1547 output.println(" } else {");
1548 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1549 output.println(" }");
1550 output.println("}");
1554 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1555 short offsetcount = 0;
1559 } else if (localbase) {
1560 for(;breakindex<pp.desc.size();breakindex++) {
1561 Descriptor desc=pp.getDescAt(breakindex);
1562 if (desc instanceof FieldDescriptor) {
1563 FieldDescriptor fd=(FieldDescriptor)desc;
1564 if (fd.isGlobal()) {
1572 if (breakindex>pp.desc.size()) //all local
1575 TypeDescriptor lasttype=pp.base.getType();
1576 String basestr=generateTemp(fm, pp.base, lb);
1578 boolean maybenull=fm.getMethod().isStatic()||
1579 !pp.base.equals(fm.getParameter(0));
1581 for(int i=0;i<breakindex;i++) {
1582 String indexcheck="";
1584 Descriptor desc=pp.getDescAt(i);
1585 if (desc instanceof FieldDescriptor) {
1586 FieldDescriptor fd=(FieldDescriptor)desc;
1588 if (!teststr.equals(""))
1590 teststr+="((prefptr="+basestr+")!=NULL)";
1591 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
1593 basestr=basestr+"->"+fd.getSafeSymbol();
1596 lasttype=fd.getType();
1598 IndexDescriptor id=(IndexDescriptor)desc;
1599 indexcheck="((tmpindex=";
1600 for(int j=0;j<id.tddesc.size();j++) {
1601 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
1603 indexcheck+=id.offset+")>=0)&&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
1605 if (!teststr.equals(""))
1607 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
1608 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
1610 lasttype=lasttype.dereference();
1615 if (teststr.equals("")) {
1616 oid="((unsigned int)"+basestr+")";
1618 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
1622 for(int i = breakindex; i < pp.desc.size(); i++) {
1623 String newfieldoffset;
1624 Object desc = pp.getDescAt(i);
1625 if(desc instanceof FieldDescriptor) {
1626 FieldDescriptor fd=(FieldDescriptor)desc;
1627 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
1628 lasttype=fd.getType();
1630 newfieldoffset = "";
1631 IndexDescriptor id=(IndexDescriptor)desc;
1632 for(int j = 0; j < id.tddesc.size(); j++) {
1633 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
1635 newfieldoffset += id.offset.toString();
1636 lasttype=lasttype.dereference();
1638 fieldoffset.add(newfieldoffset);
1641 int base=(tuplecount>0)?((Short)endoffset.get(tuplecount-1)).intValue():0;
1642 base+=pp.desc.size()-breakindex;
1643 endoffset.add(new Short((short)base));
1648 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1649 if (lb!=fgcn.getLocality())
1651 /* Have to generate flat globalconv */
1652 if (fgcn.getMakePtr()) {
1653 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)transRead(trans, (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1655 /* Need to convert to OID */
1656 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1660 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1661 /* Check to see if we need to generate code for this atomic */
1662 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1664 /* Backup the temps. */
1665 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator();tmpit.hasNext();) {
1666 TempDescriptor tmp=tmpit.next();
1667 output.println(generateTemp(fm, backuptable.get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1669 output.println("goto transstart"+faen.getIdentifier()+";");
1671 /******* Print code to retry aborted transaction *******/
1672 output.println("transretry"+faen.getIdentifier()+":");
1675 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator();tmpit.hasNext();) {
1676 TempDescriptor tmp=tmpit.next();
1677 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(tmp),lb)+";");
1680 /********* Need to revert local object store ********/
1681 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1683 output.println("while ("+revertptr+") {");
1684 output.println("struct ___Object___ * tmpptr;");
1685 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1686 output.println("REVERT_OBJ("+revertptr+");");
1687 output.println(revertptr+"=tmpptr;");
1688 output.println("}");
1690 /******* Tell the runtime to start the transaction *******/
1692 output.println("transstart"+faen.getIdentifier()+":");
1693 output.println("trans=transStart();");
1696 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1697 /* Check to see if we need to generate code for this atomic */
1698 if (locality.getAtomic(lb).get(faen).intValue()>0)
1700 //store the revert list before we lose the transaction object
1701 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1702 output.println(revertptr+"=trans->revertlist;");
1703 output.println("if (transCommit(trans)) {");
1704 /* Transaction aborts if it returns true */
1705 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1706 output.println("} else {");
1707 /* Need to commit local object store */
1708 output.println("while ("+revertptr+") {");
1709 output.println("struct ___Object___ * tmpptr;");
1710 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1711 output.println("COMMIT_OBJ("+revertptr+");");
1712 output.println(revertptr+"=tmpptr;");
1713 output.println("}");
1714 output.println("}");
1717 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
1718 if (state.CONSCHECK) {
1719 String specname=fcn.getSpec();
1720 String varname="repairstate___";
1721 output.println("{");
1722 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1724 TempDescriptor[] temps=fcn.getTemps();
1725 String[] vars=fcn.getVars();
1726 for(int i=0;i<temps.length;i++) {
1727 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
1730 output.println("if (doanalysis"+specname+"("+varname+")) {");
1731 output.println("free"+specname+"_state("+varname+");");
1732 output.println("} else {");
1733 output.println("/* Bad invariant */");
1734 output.println("free"+specname+"_state("+varname+");");
1735 output.println("abort_task();");
1736 output.println("}");
1737 output.println("}");
1741 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
1742 MethodDescriptor md=fc.getMethod();
1743 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM?locality.getBinding(lb, fc):md);
1744 ClassDescriptor cn=md.getClassDesc();
1745 output.println("{");
1746 if (GENERATEPRECISEGC) {
1748 LocalityBinding fclb=locality.getBinding(lb, fc);
1749 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1751 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1753 output.print(objectparams.numPointers());
1754 output.print(", & "+localsprefix);
1755 if (md.getThis()!=null) {
1757 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
1759 if (fc.getThis()!=null&&md.getThis()==null) {
1760 System.out.println("WARNING!!!!!!!!!!!!");
1761 System.out.println("Source code calls static method"+md+"on an object in "+fm.getMethod()+"!");
1765 for(int i=0;i<fc.numArgs();i++) {
1766 Descriptor var=md.getParameter(i);
1767 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1768 if (objectparams.isParamPtr(paramtemp)) {
1769 TempDescriptor targ=fc.getArg(i);
1771 TypeDescriptor td=md.getParamType(i);
1773 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1775 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1778 output.println("};");
1783 if (fc.getReturnTemp()!=null)
1784 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
1786 /* Do we need to do virtual dispatch? */
1787 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
1790 LocalityBinding fclb=locality.getBinding(lb, fc);
1791 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1793 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1798 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1799 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1801 output.print(md.getReturnType().getSafeSymbol()+" ");
1802 output.print("(*)(");
1804 boolean printcomma=false;
1805 if (GENERATEPRECISEGC) {
1807 LocalityBinding fclb=locality.getBinding(lb, fc);
1808 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1810 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1814 for(int i=0;i<objectparams.numPrimitives();i++) {
1815 TempDescriptor temp=objectparams.getPrimitive(i);
1819 if (temp.getType().isClass()||temp.getType().isArray())
1820 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
1822 output.print(temp.getType().getSafeSymbol());
1825 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()&&!fc.getMethod().getModifiers().isNative()) {
1826 LocalityBinding fclb=locality.getBinding(lb, fc);
1829 output.print("transrecord_t *");
1834 LocalityBinding fclb=locality.getBinding(lb, fc);
1835 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
1837 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
1841 boolean needcomma=false;
1842 if (GENERATEPRECISEGC) {
1843 output.print("&__parameterlist__");
1847 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()&&!fc.getMethod().getModifiers().isNative()) {
1850 output.print("trans");
1854 if (!GENERATEPRECISEGC) {
1855 if (fc.getThis()!=null) {
1856 TypeDescriptor ptd=md.getThis().getType();
1859 if (ptd.isClass()&&!ptd.isArray())
1860 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1861 output.print(generateTemp(fm,fc.getThis(),lb));
1866 for(int i=0;i<fc.numArgs();i++) {
1867 Descriptor var=md.getParameter(i);
1868 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1869 if (objectparams.isParamPrim(paramtemp)) {
1870 TempDescriptor targ=fc.getArg(i);
1874 TypeDescriptor ptd=md.getParamType(i);
1875 if (ptd.isClass()&&!ptd.isArray())
1876 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1877 output.print(generateTemp(fm, targ,lb));
1881 output.println(");");
1882 output.println(" }");
1885 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
1886 Set subclasses=typeutil.getSubClasses(thiscd);
1887 if (subclasses==null)
1889 for(Iterator classit=subclasses.iterator();classit.hasNext();) {
1890 ClassDescriptor cd=(ClassDescriptor)classit.next();
1891 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
1892 for(Iterator matchit=possiblematches.iterator();matchit.hasNext();) {
1893 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
1894 if (md.matches(matchmd))
1901 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
1903 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
1904 if (status==LocalityAnalysis.GLOBAL) {
1905 String field=ffn.getField().getSafeSymbol();
1906 String src=generateTemp(fm, ffn.getSrc(),lb);
1907 String dst=generateTemp(fm, ffn.getDst(),lb);
1909 if (ffn.getField().getType().isPtr()) {
1911 //TODO: Uncomment this when we have runtime support
1912 //if (ffn.getSrc()==ffn.getDst()) {
1913 //output.println("{");
1914 //output.println("void * temp="+src+";");
1915 //output.println("if (temp&0x1) {");
1916 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
1917 //output.println(src+"->"+field+"="+temp+";");
1918 //output.println("}");
1919 //output.println(dst+"=temp;");
1920 //output.println("}");
1922 output.println(dst+"="+ src +"->"+field+ ";");
1923 //output.println("if ("+dst+"&0x1) {");
1924 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
1925 //output.println(src+"->"+field+"="+src+"->"+field+";");
1926 //output.println("}");
1929 output.println(dst+"="+ src+"->"+field+";");
1931 } else if (status==LocalityAnalysis.LOCAL) {
1932 if (ffn.getField().getType().isPtr()&&
1933 ffn.getField().isGlobal()) {
1934 String field=ffn.getField().getSafeSymbol();
1935 String src=generateTemp(fm, ffn.getSrc(),lb);
1936 String dst=generateTemp(fm, ffn.getDst(),lb);
1937 output.println(dst+"="+ src +"->"+field+ ";");
1938 if (locality.getAtomic(lb).get(ffn).intValue()>0)
1939 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
1941 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1942 } else if (status==LocalityAnalysis.EITHER) {
1943 //Code is reading from a null pointer
1944 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
1945 output.println("#ifndef RAW");
1946 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
1947 output.println("#endif");
1948 //This should throw a suitable null pointer error
1949 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1951 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
1953 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1957 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
1958 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
1959 throw new Error("Can't set array length");
1960 if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
1961 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
1962 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
1963 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
1965 String src=generateTemp(fm,fsfn.getSrc(),lb);
1966 String dst=generateTemp(fm,fsfn.getDst(),lb);
1968 output.println("{");
1969 output.println("int srcoid=(int)"+src+"->"+oidstr+";");
1971 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
1974 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
1976 output.println("*((unsigned int *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
1978 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1979 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
1980 /** Check if we need to copy */
1981 output.println("if(!"+dst+"->"+localcopystr+") {");
1982 /* Link object into list */
1983 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1984 output.println(revertptr+"=trans->revertlist;");
1985 if (GENERATEPRECISEGC)
1986 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
1988 output.println("COPY_OBJ("+dst+");");
1989 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
1990 output.println("trans->revertlist=(struct ___Object___ *)"+dst+";");
1991 output.println("}");
1993 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
1995 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1996 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
1997 //writing to a null...bad
1998 output.println("if ("+dst+") {");
1999 output.println("#ifndef RAW");
2000 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2001 output.println("#endif");
2003 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2005 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2008 output.println("}");
2011 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2015 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2016 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2019 if (elementtype.isArray()||elementtype.isClass())
2022 type=elementtype.getSafeSymbol()+" ";
2024 if (fen.needsBoundsCheck()) {
2025 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2026 output.println("failedboundschk();");
2029 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2030 if (status==LocalityAnalysis.GLOBAL) {
2031 String dst=generateTemp(fm, fen.getDst(),lb);
2033 if (elementtype.isPtr()) {
2034 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2035 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
2037 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2039 } else if (status==LocalityAnalysis.LOCAL) {
2040 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2041 } else if (status==LocalityAnalysis.EITHER) {
2042 //Code is reading from a null pointer
2043 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2044 output.println("#ifndef RAW");
2045 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2046 output.println("#endif");
2047 //This should throw a suitable null pointer error
2048 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2050 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2052 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2056 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2057 //TODO: need dynamic check to make sure this assignment is actually legal
2058 //Because Object[] could actually be something more specific...ie. Integer[]
2060 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2063 if (elementtype.isArray()||elementtype.isClass())
2066 type=elementtype.getSafeSymbol()+" ";
2069 if (fsen.needsBoundsCheck()) {
2070 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2071 output.println("failedboundschk();");
2074 if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2075 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2076 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2077 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2078 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2079 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2082 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2083 } else if (dstlocal) {
2084 /** Check if we need to copy */
2085 String dst=generateTemp(fm, fsen.getDst(),lb);
2086 output.println("if(!"+dst+"->"+localcopystr+") {");
2087 /* Link object into list */
2088 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2089 output.println(revertptr+"=trans->revertlist;");
2090 if (GENERATEPRECISEGC)
2091 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2093 output.println("COPY_OBJ("+dst+");");
2094 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2095 output.println("trans->revertlist=(struct ___Object___ *)"+dst+";");
2096 output.println("}");
2097 } else throw new Error("Unknown array type");
2099 output.println("{");
2100 String src=generateTemp(fm, fsen.getSrc(), lb);
2101 output.println("int srcoid=(int)"+src+"->"+oidstr+";");
2102 output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2103 output.println("}");
2105 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2108 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2111 private void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2112 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2113 //Stash pointer in case of GC
2114 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2115 output.println(revertptr+"=trans->revertlist;");
2117 if (fn.getType().isArray()) {
2118 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2119 if (fn.isGlobal()) {
2120 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal(trans, "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2121 } else if (GENERATEPRECISEGC) {
2122 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2124 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2127 if (fn.isGlobal()) {
2128 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal(trans, "+fn.getType().getClassDesc().getId()+");");
2129 } else if (GENERATEPRECISEGC) {
2130 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2132 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2135 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2136 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2137 output.println("trans->revertlist="+revertptr+";");
2141 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2142 if (GENERATEPRECISEGC) {
2143 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2145 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2149 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2150 if (fon.getRight()!=null) {
2151 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2152 if (fon.getLeft().getType().isLong())
2153 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2155 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2158 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2159 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2160 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2161 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2162 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2163 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2164 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2165 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2166 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2167 else if (fon.getOp().getOp()==Operation.COMP)
2168 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2169 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2170 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2172 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2175 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2176 /* TODO: Do type check here */
2177 if (fcn.getType().isArray()) {
2179 } else if (fcn.getType().isClass())
2180 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2182 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2185 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2186 if (fln.getValue()==null)
2187 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2188 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2189 if (GENERATEPRECISEGC) {
2190 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2191 //Stash pointer in case of GC
2192 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2193 output.println(revertptr+"=trans->revertlist;");
2195 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2196 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2197 //Stash pointer in case of GC
2198 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2199 output.println("trans->revertlist="+revertptr+";");
2202 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2204 } else if (fln.getType().isBoolean()) {
2205 if (((Boolean)fln.getValue()).booleanValue())
2206 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2208 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2209 } else if (fln.getType().isChar()) {
2210 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2211 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2212 } else if (fln.getType().isLong()) {
2213 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2215 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2218 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2219 if (frn.getReturnTemp()!=null) {
2220 if (frn.getReturnTemp().getType().isPtr())
2221 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2223 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2225 output.println("return;");
2229 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2230 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2233 /** This method generates header information for the method or
2234 * task referenced by the Descriptor des. */
2236 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2238 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:des);
2239 MethodDescriptor md=null;
2240 TaskDescriptor task=null;
2241 if (des instanceof MethodDescriptor)
2242 md=(MethodDescriptor) des;
2244 task=(TaskDescriptor) des;
2246 ClassDescriptor cn=md!=null?md.getClassDesc():null;
2248 if (md!=null&&md.getReturnType()!=null) {
2249 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2250 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2252 output.print(md.getReturnType().getSafeSymbol()+" ");
2254 //catch the constructor case
2255 output.print("void ");
2258 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2260 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2262 output.print(task.getSafeSymbol()+"(");
2264 boolean printcomma=false;
2265 if (GENERATEPRECISEGC) {
2268 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2270 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2272 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2276 if (state.DSM&&lb.isAtomic()) {
2279 output.print("transrecord_t * trans");
2285 for(int i=0;i<objectparams.numPrimitives();i++) {
2286 TempDescriptor temp=objectparams.getPrimitive(i);
2290 if (temp.getType().isClass()||temp.getType().isArray())
2291 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2293 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2295 output.println(") {");
2296 } else if (!GENERATEPRECISEGC) {
2297 /* Imprecise Task */
2298 output.println("void * parameterarray[]) {");
2299 /* Unpack variables */
2300 for(int i=0;i<objectparams.numPrimitives();i++) {
2301 TempDescriptor temp=objectparams.getPrimitive(i);
2302 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2304 for(int i=0;i<fm.numTags();i++) {
2305 TempDescriptor temp=fm.getTag(i);
2306 int offset=i+objectparams.numPrimitives();
2307 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2310 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2311 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2312 } else output.println(") {");
2315 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2316 output.println("/* FlatFlagActionNode */");
2319 /* Process tag changes */
2320 Relation tagsettable=new Relation();
2321 Relation tagcleartable=new Relation();
2323 Iterator tagsit=ffan.getTempTagPairs();
2324 while (tagsit.hasNext()) {
2325 TempTagPair ttp=(TempTagPair) tagsit.next();
2326 TempDescriptor objtmp=ttp.getTemp();
2327 TagDescriptor tag=ttp.getTag();
2328 TempDescriptor tagtmp=ttp.getTagTemp();
2329 boolean tagstatus=ffan.getTagChange(ttp);
2331 tagsettable.put(objtmp, tagtmp);
2333 tagcleartable.put(objtmp, tagtmp);
2338 Hashtable flagandtable=new Hashtable();
2339 Hashtable flagortable=new Hashtable();
2341 /* Process flag changes */
2342 Iterator flagsit=ffan.getTempFlagPairs();
2343 while(flagsit.hasNext()) {
2344 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2345 TempDescriptor temp=tfp.getTemp();
2346 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2347 FlagDescriptor flag=tfp.getFlag();
2349 //Newly allocate objects that don't set any flags case
2350 if (flagortable.containsKey(temp)) {
2354 flagortable.put(temp,new Integer(mask));
2356 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2357 boolean flagstatus=ffan.getFlagChange(tfp);
2360 if (flagortable.containsKey(temp)) {
2361 mask=((Integer)flagortable.get(temp)).intValue();
2364 flagortable.put(temp,new Integer(mask));
2366 int mask=0xFFFFFFFF;
2367 if (flagandtable.containsKey(temp)) {
2368 mask=((Integer)flagandtable.get(temp)).intValue();
2370 mask&=(0xFFFFFFFF^flagid);
2371 flagandtable.put(temp,new Integer(mask));
2377 HashSet flagtagset=new HashSet();
2378 flagtagset.addAll(flagortable.keySet());
2379 flagtagset.addAll(flagandtable.keySet());
2380 flagtagset.addAll(tagsettable.keySet());
2381 flagtagset.addAll(tagcleartable.keySet());
2383 Iterator ftit=flagtagset.iterator();
2384 while(ftit.hasNext()) {
2385 TempDescriptor temp=(TempDescriptor)ftit.next();
2388 Set tagtmps=tagcleartable.get(temp);
2389 if (tagtmps!=null) {
2390 Iterator tagit=tagtmps.iterator();
2391 while(tagit.hasNext()) {
2392 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2393 if (GENERATEPRECISEGC)
2394 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2396 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2400 tagtmps=tagsettable.get(temp);
2401 if (tagtmps!=null) {
2402 Iterator tagit=tagtmps.iterator();
2403 while(tagit.hasNext()) {
2404 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2405 if (GENERATEPRECISEGC)
2406 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2408 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2413 int andmask=0xFFFFFFF;
2415 if (flagortable.containsKey(temp))
2416 ormask=((Integer)flagortable.get(temp)).intValue();
2417 if (flagandtable.containsKey(temp))
2418 andmask=((Integer)flagandtable.get(temp)).intValue();
2419 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2420 generateObjectDistribute(ffan, fm, lb, temp, output);
2424 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2425 PrintWriter output, int ormask, int andmask) {
2426 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2427 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2429 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2433 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2434 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
2437 void generateOptionalHeader(PrintWriter headers) {
2440 headers.println("#include \"task.h\"\n\n");
2441 headers.println("#ifndef _OPTIONAL_STRUCT_");
2442 headers.println("#define _OPTIONAL_STRUCT_");
2444 //STRUCT PREDICATEMEMBER
2445 headers.println("struct predicatemember{");
2446 headers.println("int type;");
2447 headers.println("int numdnfterms;");
2448 headers.println("int * flags;");
2449 headers.println("int numtags;");
2450 headers.println("int * tags;\n};\n\n");
2452 //STRUCT OPTIONALTASKDESCRIPTOR
2453 headers.println("struct optionaltaskdescriptor{");
2454 headers.println("struct taskdescriptor * task;");
2455 headers.println("int index;");
2456 headers.println("int numenterflags;");
2457 headers.println("int * enterflags;");
2458 headers.println("int numpredicatemembers;");
2459 headers.println("struct predicatemember ** predicatememberarray;");
2460 headers.println("};\n\n");
2462 //STRUCT TASKFAILURE
2463 headers.println("struct taskfailure {");
2464 headers.println("struct taskdescriptor * task;");
2465 headers.println("int index;");
2466 headers.println("int numoptionaltaskdescriptors;");
2467 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2469 //STRUCT FSANALYSISWRAPPER
2470 headers.println("struct fsanalysiswrapper{");
2471 headers.println("int flags;");
2472 headers.println("int numtags;");
2473 headers.println("int * tags;");
2474 headers.println("int numtaskfailures;");
2475 headers.println("struct taskfailure ** taskfailurearray;");
2476 headers.println("int numoptionaltaskdescriptors;");
2477 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2479 //STRUCT CLASSANALYSISWRAPPER
2480 headers.println("struct classanalysiswrapper{");
2481 headers.println("int type;");
2482 headers.println("int numotd;");
2483 headers.println("struct optionaltaskdescriptor ** otdarray;");
2484 headers.println("int numfsanalysiswrappers;");
2485 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2487 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2489 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2490 while(taskit.hasNext()) {
2491 TaskDescriptor td=(TaskDescriptor)taskit.next();
2492 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2497 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2498 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2499 int predicateindex = 0;
2500 //iterate through the classes concerned by the predicate
2501 Set c_vard = predicate.vardescriptors;
2502 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2505 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();){
2506 VarDescriptor vard = (VarDescriptor)vard_it.next();
2507 TypeDescriptor typed = vard.getType();
2509 //generate for flags
2510 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2511 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2513 if (fen_hashset!=null){
2514 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();){
2515 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2517 DNFFlag dflag=fen.getDNF();
2518 numberterms+=dflag.size();
2520 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2522 for(int j=0;j<dflag.size();j++) {
2524 output.println(",");
2525 Vector term=dflag.get(j);
2528 for(int k=0;k<term.size();k++) {
2529 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2530 FlagDescriptor fd=dfa.getFlag();
2531 boolean negated=dfa.getNegated();
2532 int flagid=1<<((Integer)flags.get(fd)).intValue();
2537 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2542 output.println("};\n");
2545 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2546 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2549 for(int j=0;j<tagel.numTags();j++) {
2551 output.println(",");
2552 TempDescriptor tmp=tagel.getTemp(j);
2553 if (!slotnumber.containsKey(tmp)) {
2554 Integer slotint=new Integer(current_slot++);
2555 slotnumber.put(tmp,slotint);
2557 int slot=slotnumber.get(tmp).intValue();
2558 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2560 numtags = tagel.numTags();
2562 output.println("};");
2564 //store the result into a predicatemember struct
2565 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2566 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2567 output.println("/* number of dnf terms */"+numberterms+",");
2568 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2569 output.println("/* number of tag */"+numtags+",");
2570 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2571 output.println("};\n");
2576 //generate an array that stores the entire predicate
2577 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2578 for( int j = 0; j<predicateindex; j++){
2579 if( j != predicateindex-1)output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2580 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2582 output.println("};\n");
2583 return predicateindex;
2587 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2588 generateOptionalHeader(headers);
2590 output.println("#include \"optionalstruct.h\"\n\n");
2591 output.println("#include \"stdlib.h\"\n");
2593 HashSet processedcd = new HashSet();
2595 Enumeration e = safeexecution.keys();
2596 while (e.hasMoreElements()) {
2599 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2600 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp);//will be used several times
2602 //Generate the struct of optionals
2603 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2604 numotd = c_otd.size();
2605 if(maxotd<numotd) maxotd = numotd;
2606 if( !c_otd.isEmpty() ){
2607 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();){
2608 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2610 //generate the int arrays for the predicate
2611 Predicate predicate = otd.predicate;
2612 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
2613 TreeSet<Integer> fsset=new TreeSet<Integer>();
2614 //iterate through possible FSes corresponding to
2615 //the state when entering
2617 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();){
2618 FlagState fs = (FlagState)fses.next();
2620 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2621 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2622 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2625 fsset.add(new Integer(flagid));
2626 //tag information not needed because tag
2627 //changes are not tolerated.
2630 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2631 boolean needcomma=false;
2632 for(Iterator<Integer> it=fsset.iterator();it.hasNext();) {
2635 output.println(it.next());
2638 output.println("};\n");
2641 //generate optionaltaskdescriptor that actually
2642 //includes exit fses, predicate and the task
2644 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2645 output.println("&task_"+otd.td.getSafeSymbol()+",");
2646 output.println("/*index*/"+otd.getIndex()+",");
2647 output.println("/*number of enter flags*/"+fsset.size()+",");
2648 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2649 output.println("/*number of members */"+predicateindex+",");
2650 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2651 output.println("};\n");
2655 // if there are no optionals, there is no need to build the rest of the struct
2657 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
2658 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2659 if( !c_otd.isEmpty() ){
2660 boolean needcomma=false;
2661 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();){
2662 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2664 output.println(",");
2666 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2669 output.println("};\n");
2671 //get all the possible flagstates reachable by an object
2672 Hashtable hashtbtemp = safeexecution.get(cdtemp);
2674 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
2675 fsts.addAll(hashtbtemp.keySet());
2676 for(Iterator fsit=fsts.iterator();fsit.hasNext();) {
2677 FlagState fs = (FlagState)fsit.next();
2680 //get the set of OptionalTaskDescriptors corresponding
2681 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
2682 //iterate through the OptionalTaskDescriptors and
2683 //store the pointers to the optionals struct (see on
2684 //top) into an array
2686 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
2687 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();){
2688 OptionalTaskDescriptor mm = mos.next();
2690 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
2692 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2695 output.println("};\n");
2697 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
2700 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2701 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2702 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2706 //process tag information
2709 boolean first = true;
2710 Enumeration tag_enum = fs.getTags();
2711 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2712 while(tag_enum.hasMoreElements()){
2714 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
2718 output.println(", ");
2719 output.println("/*tagid*/"+state.getTagId(tagd));
2721 output.println("};");
2723 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
2724 for(Iterator<TaskIndex> itti=tiset.iterator();itti.hasNext();) {
2725 TaskIndex ti=itti.next();
2729 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
2731 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
2732 boolean needcomma=false;
2733 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator();otdit.hasNext();) {
2734 OptionalTaskDescriptor otd=otdit.next();
2738 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2740 output.println("};");
2742 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
2743 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
2744 output.print(ti.getIndex()+", ");
2745 output.print(otdset.size()+", ");
2746 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
2747 output.println("};");
2750 tiset=sa.getTaskIndex(fs);
2751 boolean needcomma=false;
2753 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2754 for(Iterator<TaskIndex> itti=tiset.iterator();itti.hasNext();) {
2755 TaskIndex ti=itti.next();
2756 if (ti.isRuntime()) {
2763 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
2765 output.println("};\n");
2767 //Store the result in fsanalysiswrapper
2769 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
2770 output.println("/*flag*/"+flagid+",");
2771 output.println("/* number of tags*/"+tagcounter+",");
2772 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2773 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
2774 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2775 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
2776 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
2777 output.println("};\n");
2781 //Build the array of fsanalysiswrappers
2782 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
2783 boolean needcomma=false;
2784 for(int i = 0; i<fscounter; i++){
2785 if (needcomma) output.print(",");
2786 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
2789 output.println("};");
2791 //Build the classanalysiswrapper referring to the previous array
2792 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
2793 output.println("/*type*/"+cdtemp.getId()+",");
2794 output.println("/*numotd*/"+numotd+",");
2795 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
2796 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
2797 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
2798 processedcd.add(cdtemp);
2801 //build an array containing every classes for which code has been build
2802 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
2803 for(int i=0;i<state.numClasses();i++) {
2804 ClassDescriptor cn=cdarray[i];
2807 if (processedcd.contains(cn))
2808 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
2810 output.print("NULL");
2812 output.println("};");
2814 output.println("#define MAXOTD "+maxotd);
2815 headers.println("#endif");
2818 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
2819 Relation r=new Relation();
2820 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator();otdit.hasNext();) {
2821 OptionalTaskDescriptor otd=otdit.next();
2822 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
2826 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
2827 for(Iterator it=r.keySet().iterator();it.hasNext();) {
2828 Set s=r.get(it.next());
2829 for(Iterator it2=s.iterator();it2.hasNext();) {
2830 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
2838 protected void outputTransCode(PrintWriter output) {