2 import IR.Tree.FlagExpressionNode;
3 import IR.Tree.DNFFlag;
4 import IR.Tree.DNFFlagAtom;
5 import IR.Tree.TagExpressionList;
11 import Analysis.TaskStateAnalysis.FlagState;
12 import Analysis.TaskStateAnalysis.FlagComparator;
13 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
14 import Analysis.TaskStateAnalysis.Predicate;
15 import Analysis.TaskStateAnalysis.SafetyAnalysis;
16 import Analysis.TaskStateAnalysis.TaskIndex;
17 import Analysis.Locality.LocalityAnalysis;
18 import Analysis.Locality.LocalityBinding;
19 import Analysis.Prefetch.*;
21 public class BuildCode {
24 Hashtable paramstable;
29 String localsprefix="___locals___";
30 String paramsprefix="___params___";
31 String oidstr="___nextobject___";
32 String nextobjstr="___nextobject___";
33 String localcopystr="___localcopy___";
34 public static boolean GENERATEPRECISEGC=false;
35 public static String PREFIX="";
36 public static String arraytype="ArrayObject";
37 public static int flagcount = 0;
40 protected int maxtaskparams=0;
41 private int maxcount=0;
42 ClassDescriptor[] cdarray;
43 TypeDescriptor[] arraytable;
44 LocalityAnalysis locality;
45 Hashtable<TempDescriptor, TempDescriptor> backuptable;
46 Hashtable<LocalityBinding, TempDescriptor> reverttable;
50 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
51 this(st, temptovar, typeutil, null, sa, pa);
54 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
55 this(st, temptovar, typeutil, locality, null, pa);
58 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa) {
62 this.temptovar=temptovar;
63 paramstable=new Hashtable();
64 tempstable=new Hashtable();
65 fieldorder=new Hashtable();
66 flagorder=new Hashtable();
67 this.typeutil=typeutil;
68 virtualcalls=new Virtual(state,locality);
70 this.locality=locality;
71 this.backuptable=new Hashtable<TempDescriptor, TempDescriptor>();
72 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
76 /** The buildCode method outputs C code for all the methods. The Flat
77 * versions of the methods must already be generated and stored in
78 * the State object. */
80 public void buildCode() {
81 /* Create output streams to write to */
82 PrintWriter outclassdefs=null;
83 PrintWriter outstructs=null;
84 PrintWriter outrepairstructs=null;
85 PrintWriter outmethodheader=null;
86 PrintWriter outmethod=null;
87 PrintWriter outvirtual=null;
88 PrintWriter outtask=null;
89 PrintWriter outtaskdefs=null;
90 PrintWriter outoptionalarrays=null;
91 PrintWriter optionalheaders=null;
94 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
95 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
96 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
97 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
98 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
100 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
101 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
102 if (state.OPTIONAL) {
103 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
104 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
107 if (state.structfile!=null) {
108 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
110 } catch (Exception e) {
115 /* Build the virtual dispatch tables */
116 buildVirtualTables(outvirtual);
118 /* Output includes */
119 outmethodheader.println("#ifndef METHODHEADERS_H");
120 outmethodheader.println("#define METHODHEADERS_H");
121 outmethodheader.println("#include \"structdefs.h\"");
123 outmethodheader.println("#include \"dstm.h\"");
125 /* Output Structures */
126 outputStructs(outstructs);
128 // Output the C class declarations
129 // These could mutually reference each other
130 outputClassDeclarations(outclassdefs);
132 // Output function prototypes and structures for parameters
133 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
134 while(it.hasNext()) {
135 ClassDescriptor cn=(ClassDescriptor)it.next();
136 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
138 outclassdefs.close();
141 /* Map flags to integers */
142 /* The runtime keeps track of flags using these integers */
143 it=state.getClassSymbolTable().getDescriptorsIterator();
144 while(it.hasNext()) {
145 ClassDescriptor cn=(ClassDescriptor)it.next();
149 generateTaskStructs(outstructs, outmethodheader);
151 /* Outputs generic task structures if this is a task
153 outputTaskTypes(outtask);
156 /* Build the actual methods */
157 outputMethods(outmethod);
160 /* Output code for tasks */
161 outputTaskCode(outtaskdefs, outmethod);
163 /* Record maximum number of task parameters */
164 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
165 } else if (state.main!=null) {
166 /* Generate main method */
167 outputMainMethod(outmethod);
170 /* Generate information for task with optional parameters */
171 if (state.TASK&&state.OPTIONAL) {
172 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
173 outoptionalarrays.close();
176 /* Output structure definitions for repair tool */
177 if (state.structfile!=null) {
178 buildRepairStructs(outrepairstructs);
179 outrepairstructs.close();
183 outmethodheader.println("#endif");
184 outmethodheader.close();
186 outstructs.println("#endif");
190 /* This code just generates the main C method for java programs.
191 * The main C method packs up the arguments into a string array
192 * and passes it to the java main method. */
194 private void outputMainMethod(PrintWriter outmethod) {
195 outmethod.println("int main(int argc, const char *argv[]) {");
196 outmethod.println(" int i;");
197 outmethod.println("#ifdef TRANSSTATS \n");
198 outmethod.println("handle();\n");
199 outmethod.println("#endif\n");
200 if (state.THREAD||state.DSM) {
201 outmethod.println("initializethreads();");
204 outmethod.println("if (dstmStartup(argv[1])) {");
205 if (GENERATEPRECISEGC) {
206 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
208 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
211 if (GENERATEPRECISEGC) {
212 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
214 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
218 outmethod.println(" for(i=2;i<argc;i++) {");
220 outmethod.println(" for(i=1;i<argc;i++) {");
221 outmethod.println(" int length=strlen(argv[i]);");
222 if (GENERATEPRECISEGC) {
223 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
225 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
228 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
230 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
231 outmethod.println(" }");
234 MethodDescriptor md=typeutil.getMain();
235 ClassDescriptor cd=typeutil.getMainClass();
237 outmethod.println(" {");
238 if (GENERATEPRECISEGC) {
240 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
242 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
243 outmethod.println("1, NULL,"+"stringarray};");
245 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
247 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
250 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
252 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
254 outmethod.println(" }");
257 outmethod.println("}");
260 if (state.THREAD||state.DSM) {
261 outmethod.println("pthread_mutex_lock(&gclistlock);");
262 outmethod.println("threadcount--;");
263 outmethod.println("pthread_cond_signal(&gccond);");
264 outmethod.println("pthread_mutex_unlock(&gclistlock);");
266 outmethod.println("pthread_exit(NULL);");
269 outmethod.println("#ifdef TRANSSTATS \n");
270 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
271 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
272 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
273 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
274 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
275 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
276 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
277 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
278 outmethod.println("#endif\n");
279 outmethod.println("}");
283 /* This method outputs code for each task. */
285 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
286 /* Compile task based program */
287 outtaskdefs.println("#include \"task.h\"");
288 outtaskdefs.println("#include \"methodheaders.h\"");
289 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
290 while(taskit.hasNext()) {
291 TaskDescriptor td=(TaskDescriptor)taskit.next();
292 FlatMethod fm=state.getMethodFlat(td);
293 generateFlatMethod(fm, null, outmethod);
294 generateTaskDescriptor(outtaskdefs, fm, td);
297 //Output task descriptors
298 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
299 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
301 while(taskit.hasNext()) {
302 TaskDescriptor td=(TaskDescriptor)taskit.next();
306 outtaskdefs.println(",");
307 outtaskdefs.print("&task_"+td.getSafeSymbol());
309 outtaskdefs.println("};");
311 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
314 /* This method outputs most of the methods.c file. This includes
315 * some standard includes and then an array with the sizes of
316 * objets and array that stores supertype and then the code for
317 * the Java methods.. */
319 protected void outputMethods(PrintWriter outmethod) {
320 outmethod.println("#include \"methodheaders.h\"");
321 outmethod.println("#include \"virtualtable.h\"");
322 outmethod.println("#include \"runtime.h\"");
324 outmethod.println("#include \"addPrefetchEnhance.h\"");
325 outmethod.println("#include \"localobjects.h\"");
327 if(state.MULTICORE) {
328 outmethod.println("#include \"task.h\"");
330 if (state.THREAD||state.DSM)
331 outmethod.println("#include <thread.h>");
332 if (state.main!=null) {
333 outmethod.println("#include <string.h>");
335 if (state.CONSCHECK) {
336 outmethod.println("#include \"checkers.h\"");
338 //Store the sizes of classes & array elements
339 generateSizeArray(outmethod);
341 //Store table of supertypes
342 generateSuperTypeTable(outmethod);
344 //Store the layout of classes
345 generateLayoutStructs(outmethod);
347 /* Generate code for methods */
349 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext();) {
350 LocalityBinding lb=lbit.next();
351 MethodDescriptor md=lb.getMethod();
352 FlatMethod fm=state.getMethodFlat(md);
353 if (!md.getModifiers().isNative()) {
354 generateFlatMethod(fm, lb, outmethod);
358 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
359 while(classit.hasNext()) {
360 ClassDescriptor cn=(ClassDescriptor)classit.next();
361 Iterator methodit=cn.getMethods();
362 while(methodit.hasNext()) {
363 /* Classify parameters */
364 MethodDescriptor md=(MethodDescriptor)methodit.next();
365 FlatMethod fm=state.getMethodFlat(md);
366 if (!md.getModifiers().isNative()) {
367 generateFlatMethod(fm, null, outmethod);
374 protected void outputStructs(PrintWriter outstructs) {
375 outstructs.println("#ifndef STRUCTDEFS_H");
376 outstructs.println("#define STRUCTDEFS_H");
377 outstructs.println("#include \"classdefs.h\"");
379 /* Output #defines that the runtime uses to determine type
380 * numbers for various objects it needs */
381 outstructs.println("#define MAXCOUNT "+maxcount);
383 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
384 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
385 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
388 outstructs.println("#define STRINGARRAYTYPE "+
389 (state.getArrayNumber(
390 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
392 outstructs.println("#define OBJECTARRAYTYPE "+
393 (state.getArrayNumber(
394 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
397 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
398 outstructs.println("#define CHARARRAYTYPE "+
399 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
401 outstructs.println("#define BYTEARRAYTYPE "+
402 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
404 outstructs.println("#define BYTEARRAYARRAYTYPE "+
405 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
407 outstructs.println("#define NUMCLASSES "+state.numClasses());
409 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
410 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
411 outstructs.println("#define TAGARRAYTYPE "+
412 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
416 protected void outputClassDeclarations(PrintWriter outclassdefs) {
417 if (state.THREAD||state.DSM)
418 outclassdefs.println("#include <pthread.h>");
420 outclassdefs.println("#include \"optionalstruct.h\"");
421 outclassdefs.println("struct "+arraytype+";");
422 /* Start by declaring all structs */
423 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
424 while(it.hasNext()) {
425 ClassDescriptor cn=(ClassDescriptor)it.next();
426 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
428 outclassdefs.println("");
429 //Print out definition for array type
430 outclassdefs.println("struct "+arraytype+" {");
431 outclassdefs.println(" int type;");
433 outclassdefs.println(" pthread_t tid;");
434 outclassdefs.println(" void * lockentry;");
435 outclassdefs.println(" int lockcount;");
438 outclassdefs.println(" int flag;");
439 if(!state.MULTICORE) {
440 outclassdefs.println(" void * flagptr;");
442 outclassdefs.println(" int isolate;"); // indicate if this object is shared or not
443 outclassdefs.println(" int version;");
444 outclassdefs.println(" struct ___Object___ * original;");
445 outclassdefs.println(" int numlocks;"); // array for locks
446 outclassdefs.println(" int * locks;");
449 outclassdefs.println(" int numfses;");
450 outclassdefs.println(" int * fses;");
453 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
455 outclassdefs.println(" int ___length___;");
456 outclassdefs.println("};\n");
457 outclassdefs.println("extern int classsize[];");
458 outclassdefs.println("extern int hasflags[];");
459 outclassdefs.println("extern unsigned int * pointerarray[];");
460 outclassdefs.println("extern int supertypes[];");
463 /** Prints out definitions for generic task structures */
465 private void outputTaskTypes(PrintWriter outtask) {
466 outtask.println("#ifndef _TASK_H");
467 outtask.println("#define _TASK_H");
468 outtask.println("struct parameterdescriptor {");
469 outtask.println("int type;");
470 outtask.println("int numberterms;");
471 outtask.println("int *intarray;");
472 outtask.println("void * queue;");
473 outtask.println("int numbertags;");
474 outtask.println("int *tagarray;");
475 outtask.println("};");
477 outtask.println("struct taskdescriptor {");
478 outtask.println("void * taskptr;");
479 outtask.println("int numParameters;");
480 outtask.println(" int numTotal;");
481 outtask.println("struct parameterdescriptor **descriptorarray;");
482 outtask.println("char * name;");
483 outtask.println("};");
484 outtask.println("extern struct taskdescriptor * taskarray[];");
485 outtask.println("extern numtasks;");
486 outtask.println("#endif");
490 private void buildRepairStructs(PrintWriter outrepairstructs) {
491 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
492 while(classit.hasNext()) {
493 ClassDescriptor cn=(ClassDescriptor)classit.next();
494 outrepairstructs.println("structure "+cn.getSymbol()+" {");
495 outrepairstructs.println(" int __type__;");
497 outrepairstructs.println(" int __flag__;");
498 if(!state.MULTICORE) {
499 outrepairstructs.println(" int __flagptr__;");
502 printRepairStruct(cn, outrepairstructs);
503 outrepairstructs.println("}\n");
506 for(int i=0; i<state.numArrays(); i++) {
507 TypeDescriptor tdarray=arraytable[i];
508 TypeDescriptor tdelement=tdarray.dereference();
509 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
510 outrepairstructs.println(" int __type__;");
511 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
512 outrepairstructs.println(" int length;");
514 // Need to add support to repair tool for this
515 if (tdelement.isClass()||tdelement.isArray())
516 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
518 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
520 outrepairstructs.println("}\n");
524 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
525 ClassDescriptor sp=cn.getSuperDesc();
527 printRepairStruct(sp, output);
529 Vector fields=(Vector)fieldorder.get(cn);
531 for(int i=0; i<fields.size(); i++) {
532 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
533 if (fd.getType().isArray()) {
534 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
535 } else if (fd.getType().isClass())
536 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
537 else if (fd.getType().isFloat())
538 output.println(" int "+fd.getSymbol()+"; /* really float */");
540 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
544 /** This method outputs TaskDescriptor information */
545 private void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
546 for (int i=0; i<task.numParameters(); i++) {
547 VarDescriptor param_var=task.getParameter(i);
548 TypeDescriptor param_type=task.getParamType(i);
549 FlagExpressionNode param_flag=task.getFlag(param_var);
550 TagExpressionList param_tag=task.getTag(param_var);
553 if (param_flag==null) {
554 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
555 output.println("0x0, 0x0 };");
558 DNFFlag dflag=param_flag.getDNF();
559 dnfterms=dflag.size();
561 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
562 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
563 for(int j=0; j<dflag.size(); j++) {
566 Vector term=dflag.get(j);
569 for(int k=0; k<term.size(); k++) {
570 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
571 FlagDescriptor fd=dfa.getFlag();
572 boolean negated=dfa.getNegated();
573 int flagid=1<<((Integer)flags.get(fd)).intValue();
578 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
580 output.println("};");
583 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
584 //BUG...added next line to fix, test with any task program
586 for(int j=0; j<param_tag.numTags(); j++) {
589 /* for each tag we need */
590 /* which slot it is */
591 /* what type it is */
592 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
593 TempDescriptor tmp=param_tag.getTemp(j);
594 int slot=fm.getTagInt(tmp);
595 output.println(slot+", "+state.getTagId(tvd.getTag()));
597 output.println("};");
599 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
600 output.println("/* type */"+param_type.getClassDesc().getId()+",");
601 output.println("/* number of DNF terms */"+dnfterms+",");
602 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
603 output.println("0,");
604 //BUG, added next line to fix and else statement...test
605 //with any task program
607 output.println("/* number of tags */"+param_tag.numTags()+",");
609 output.println("/* number of tags */ 0,");
610 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
611 output.println("};");
615 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
616 for (int i=0; i<task.numParameters(); i++) {
619 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
621 output.println("};");
623 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
624 output.println("&"+task.getSafeSymbol()+",");
625 output.println("/* number of parameters */" +task.numParameters() + ",");
626 int numtotal=task.numParameters()+fm.numTags();
627 output.println("/* number total parameters */" +numtotal + ",");
628 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
629 output.println("\""+task.getSymbol()+"\"");
630 output.println("};");
634 /** The buildVirtualTables method outputs the virtual dispatch
635 * tables for methods. */
637 protected void buildVirtualTables(PrintWriter outvirtual) {
638 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
639 while(classit.hasNext()) {
640 ClassDescriptor cd=(ClassDescriptor)classit.next();
641 if (virtualcalls.getMethodCount(cd)>maxcount)
642 maxcount=virtualcalls.getMethodCount(cd);
644 MethodDescriptor[][] virtualtable=null;
645 LocalityBinding[][] lbvirtualtable=null;
647 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
649 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
651 /* Fill in virtual table */
652 classit=state.getClassSymbolTable().getDescriptorsIterator();
653 while(classit.hasNext()) {
654 ClassDescriptor cd=(ClassDescriptor)classit.next();
656 fillinRow(cd, lbvirtualtable, cd.getId());
658 fillinRow(cd, virtualtable, cd.getId());
661 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
662 Iterator arrayit=state.getArrayIterator();
663 while(arrayit.hasNext()) {
664 TypeDescriptor td=(TypeDescriptor)arrayit.next();
665 int id=state.getArrayNumber(td);
667 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
669 fillinRow(objectcd, virtualtable, id+state.numClasses());
672 outvirtual.print("void * virtualtable[]={");
673 boolean needcomma=false;
674 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
675 for(int j=0; j<maxcount; j++) {
677 outvirtual.print(", ");
678 if (state.DSM&&lbvirtualtable[i][j]!=null) {
679 LocalityBinding lb=lbvirtualtable[i][j];
680 MethodDescriptor md=lb.getMethod();
681 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
682 } else if (!state.DSM&&virtualtable[i][j]!=null) {
683 MethodDescriptor md=virtualtable[i][j];
684 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
686 outvirtual.print("0");
690 outvirtual.println("");
692 outvirtual.println("};");
696 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
697 /* Get inherited methods */
698 if (cd.getSuperDesc()!=null)
699 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
700 /* Override them with our methods */
701 for(Iterator it=cd.getMethods(); it.hasNext();) {
702 MethodDescriptor md=(MethodDescriptor)it.next();
703 if (md.isStatic()||md.getReturnType()==null)
705 int methodnum=virtualcalls.getMethodNumber(md);
706 virtualtable[rownum][methodnum]=md;
710 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
711 /* Get inherited methods */
712 if (cd.getSuperDesc()!=null)
713 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
714 /* Override them with our methods */
715 if (locality.getClassBindings(cd)!=null)
716 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext();) {
717 LocalityBinding lb=lbit.next();
718 MethodDescriptor md=lb.getMethod();
719 //Is the method static or a constructor
720 if (md.isStatic()||md.getReturnType()==null)
722 int methodnum=virtualcalls.getLocalityNumber(lb);
723 virtualtable[rownum][methodnum]=lb;
728 /** Generate array that contains the sizes of class objects. The
729 * object allocation functions in the runtime use this
732 private void generateSizeArray(PrintWriter outclassdefs) {
733 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
734 outclassdefs.print("#ifdef TRANSSTATS \n");
735 outclassdefs.print("extern int numTransAbort;\n");
736 outclassdefs.print("extern int numTransCommit;\n");
737 outclassdefs.print("extern int nchashSearch;\n");
738 outclassdefs.print("extern int nmhashSearch;\n");
739 outclassdefs.print("extern int nprehashSearch;\n");
740 outclassdefs.print("extern int nRemoteSend;\n");
741 outclassdefs.print("extern int nSoftAbort;\n");
742 outclassdefs.print("extern void handle();\n");
743 outclassdefs.print("#endif\n");
744 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
746 outclassdefs.print("int classsize[]={");
747 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
748 cdarray=new ClassDescriptor[state.numClasses()];
749 while(it.hasNext()) {
750 ClassDescriptor cd=(ClassDescriptor)it.next();
751 cdarray[cd.getId()]=cd;
753 boolean needcomma=false;
754 for(int i=0; i<state.numClasses(); i++) {
756 outclassdefs.print(", ");
757 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
761 arraytable=new TypeDescriptor[state.numArrays()];
763 Iterator arrayit=state.getArrayIterator();
764 while(arrayit.hasNext()) {
765 TypeDescriptor td=(TypeDescriptor)arrayit.next();
766 int id=state.getArrayNumber(td);
770 for(int i=0; i<state.numArrays(); i++) {
772 outclassdefs.print(", ");
773 TypeDescriptor tdelement=arraytable[i].dereference();
774 if (tdelement.isArray()||tdelement.isClass())
775 outclassdefs.print("sizeof(void *)");
777 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
781 outclassdefs.println("};");
784 /** Constructs params and temp objects for each method or task.
785 * These objects tell the compiler which temps need to be
788 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
789 MethodDescriptor md=fm.getMethod();
790 TaskDescriptor task=fm.getTask();
791 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
792 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
795 paramstable.put(lb, objectparams);
797 paramstable.put(md, objectparams);
799 paramstable.put(task, objectparams);
801 for(int i=0; i<fm.numParameters(); i++) {
802 TempDescriptor temp=fm.getParameter(i);
803 TypeDescriptor type=temp.getType();
804 if (type.isPtr()&&GENERATEPRECISEGC)
805 objectparams.addPtr(temp);
807 objectparams.addPrim(temp);
808 if(lb!=null&&saveset.contains(temp)) {
809 backuptable.put(temp, temp.createNew());
813 for(int i=0; i<fm.numTags(); i++) {
814 TempDescriptor temp=fm.getTag(i);
815 if (GENERATEPRECISEGC)
816 objectparams.addPtr(temp);
818 objectparams.addPrim(temp);
821 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
823 tempstable.put(lb, objecttemps);
825 tempstable.put(md, objecttemps);
827 tempstable.put(task, objecttemps);
829 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext();) {
830 FlatNode fn=(FlatNode)nodeit.next();
831 TempDescriptor[] writes=fn.writesTemps();
832 for(int i=0; i<writes.length; i++) {
833 TempDescriptor temp=writes[i];
834 TypeDescriptor type=temp.getType();
835 if (type.isPtr()&&GENERATEPRECISEGC)
836 objecttemps.addPtr(temp);
838 objecttemps.addPrim(temp);
839 if(lb!=null&&saveset.contains(temp)&&
840 !backuptable.containsKey(temp))
841 backuptable.put(temp, temp.createNew());
845 /* Create backup temps */
847 for(Iterator<TempDescriptor> tmpit=backuptable.values().iterator(); tmpit.hasNext();) {
848 TempDescriptor tmp=tmpit.next();
849 TypeDescriptor type=tmp.getType();
850 if (type.isPtr()&&GENERATEPRECISEGC)
851 objecttemps.addPtr(tmp);
853 objecttemps.addPrim(tmp);
855 /* Create temp to hold revert table */
856 if (lb.getHasAtomic()||lb.isAtomic()) {
857 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
858 if (GENERATEPRECISEGC)
859 objecttemps.addPtr(reverttmp);
861 objecttemps.addPrim(reverttmp);
862 reverttable.put(lb, reverttmp);
867 /** This method outputs the following information about classes
869 * (1) For classes, what are the locations of pointers.
870 * (2) For arrays, does the array contain pointers or primitives.
871 * (3) For classes, does the class contain flags.
874 private void generateLayoutStructs(PrintWriter output) {
875 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
876 while(it.hasNext()) {
877 ClassDescriptor cn=(ClassDescriptor)it.next();
878 output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
879 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
881 while(allit.hasNext()) {
882 FieldDescriptor fd=(FieldDescriptor)allit.next();
883 TypeDescriptor type=fd.getType();
884 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
890 allit=cn.getFieldTable().getAllDescriptorsIterator();
891 while(allit.hasNext()) {
892 FieldDescriptor fd=(FieldDescriptor)allit.next();
893 TypeDescriptor type=fd.getType();
894 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
898 output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
901 output.println("};");
903 output.println("unsigned int * pointerarray[]={");
904 boolean needcomma=false;
905 for(int i=0; i<state.numClasses(); i++) {
906 ClassDescriptor cn=cdarray[i];
910 output.print(cn.getSafeSymbol()+"_pointers");
913 for(int i=0; i<state.numArrays(); i++) {
915 output.println(", ");
916 TypeDescriptor tdelement=arraytable[i].dereference();
917 if (tdelement.isArray()||tdelement.isClass())
918 output.print("((unsigned int *)1)");
924 output.println("};");
926 output.println("int hasflags[]={");
927 for(int i=0; i<state.numClasses(); i++) {
928 ClassDescriptor cn=cdarray[i];
930 output.println(", ");
937 output.println("};");
940 /** Print out table to give us supertypes */
941 private void generateSuperTypeTable(PrintWriter output) {
942 output.println("int supertypes[]={");
943 boolean needcomma=false;
944 for(int i=0; i<state.numClasses(); i++) {
945 ClassDescriptor cn=cdarray[i];
949 if (cn.getSuperDesc()!=null) {
950 ClassDescriptor cdsuper=cn.getSuperDesc();
951 output.print(cdsuper.getId());
955 output.println("};");
958 /** Force consistent field ordering between inherited classes. */
960 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
962 ClassDescriptor sp=cn.getSuperDesc();
964 printClassStruct(sp, classdefout);
966 if (!fieldorder.containsKey(cn)) {
967 Vector fields=new Vector();
968 fieldorder.put(cn,fields);
969 if (sp==null&&!state.TASK) {
970 fields.add(cn.getFieldTable().get("cachedCode"));
972 Iterator fieldit=cn.getFields();
973 while(fieldit.hasNext()) {
974 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
975 if ((sp==null||!sp.getFieldTable().contains(fd.getSymbol()))&&
976 (!fd.getSymbol().equals("cachedCode")||state.TASK))
980 Vector fields=(Vector)fieldorder.get(cn);
982 for(int i=0; i<fields.size(); i++) {
983 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
984 if (fd.getType().isClass()||fd.getType().isArray())
985 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
987 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
992 /* Map flags to integers consistently between inherited
995 protected void mapFlags(ClassDescriptor cn) {
996 ClassDescriptor sp=cn.getSuperDesc();
1000 if (!flagorder.containsKey(cn)) {
1001 Hashtable flags=new Hashtable();
1002 flagorder.put(cn,flags);
1004 Hashtable superflags=(Hashtable)flagorder.get(sp);
1005 Iterator superflagit=superflags.keySet().iterator();
1006 while(superflagit.hasNext()) {
1007 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1008 Integer number=(Integer)superflags.get(fd);
1009 flags.put(fd, number);
1010 if ((number.intValue()+1)>max)
1011 max=number.intValue()+1;
1015 Iterator flagit=cn.getFlags();
1016 while(flagit.hasNext()) {
1017 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1018 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1019 flags.put(fd, new Integer(max++));
1025 /** This function outputs (1) structures that parameters are
1026 * passed in (when PRECISE GC is enabled) and (2) function
1027 * prototypes for the methods */
1029 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
1030 /* Output class structure */
1031 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1032 classdefout.println(" int type;");
1034 classdefout.println(" pthread_t tid;");
1035 classdefout.println(" void * lockentry;");
1036 classdefout.println(" int lockcount;");
1040 classdefout.println(" int flag;");
1041 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1042 classdefout.println(" void * flagptr;");
1043 } else if (state.MULTICORE) {
1044 classdefout.println(" int isolate;"); // indicate if this object is shared or not
1045 classdefout.println(" int version;");
1046 classdefout.println(" struct ___Object___ * original;");
1047 classdefout.println(" int numlocks;"); // array for locks
1048 classdefout.println(" int * locks;");
1050 if (state.OPTIONAL) {
1051 classdefout.println(" int numfses;");
1052 classdefout.println(" int * fses;");
1055 printClassStruct(cn, classdefout);
1056 classdefout.println("};\n");
1059 /* Cycle through LocalityBindings */
1060 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1061 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1063 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext();) {
1064 LocalityBinding lb=lbit.next();
1065 MethodDescriptor md=lb.getMethod();
1066 if (md.getModifiers().isNative()) {
1067 //make sure we only print a native method once
1068 if (nativemethods.contains(md)) {
1069 FlatMethod fm=state.getMethodFlat(md);
1070 generateTempStructs(fm, lb);
1073 nativemethods.add(md);
1075 generateMethod(cn, md, lb, headersout, output);
1078 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1079 MethodDescriptor md=(MethodDescriptor)methodit.next();
1080 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1081 //Need to build param structure for library code
1082 FlatMethod fm=state.getMethodFlat(md);
1083 generateTempStructs(fm, null);
1084 generateMethodParam(cn, md, null, output);
1089 for(Iterator methodit=cn.getMethods(); methodit.hasNext();) {
1090 MethodDescriptor md=(MethodDescriptor)methodit.next();
1091 generateMethod(cn, md, null, headersout, output);
1095 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1096 /* Output parameter structure */
1097 if (GENERATEPRECISEGC) {
1098 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1099 if (state.DSM&&lb!=null)
1100 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1102 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1103 output.println(" int size;");
1104 output.println(" void * next;");
1105 for(int i=0; i<objectparams.numPointers(); i++) {
1106 TempDescriptor temp=objectparams.getPointer(i);
1107 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1109 output.println("};\n");
1114 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1115 FlatMethod fm=state.getMethodFlat(md);
1116 generateTempStructs(fm, lb);
1118 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
1119 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md);
1121 generateMethodParam(cn, md, lb, output);
1123 /* Output temp structure */
1124 if (GENERATEPRECISEGC) {
1126 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1128 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1129 output.println(" int size;");
1130 output.println(" void * next;");
1131 for(int i=0; i<objecttemps.numPointers(); i++) {
1132 TempDescriptor temp=objecttemps.getPointer(i);
1133 if (temp.getType().isNull())
1134 output.println(" void * "+temp.getSafeSymbol()+";");
1136 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1138 output.println("};\n");
1141 /********* Output method declaration ***********/
1143 /* First the return type */
1144 if (md.getReturnType()!=null) {
1145 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1146 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1148 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1150 //catch the constructor case
1151 headersout.print("void ");
1153 /* Next the method name */
1155 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1157 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1159 boolean printcomma=false;
1160 if (GENERATEPRECISEGC) {
1162 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1164 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1168 if (state.DSM&&lb.isAtomic()&&!md.getModifiers().isNative()) {
1170 headersout.print(", ");
1171 headersout.print("transrecord_t * trans");
1175 /* Output parameter list*/
1176 for(int i=0; i<objectparams.numPrimitives(); i++) {
1177 TempDescriptor temp=objectparams.getPrimitive(i);
1179 headersout.print(", ");
1181 if (temp.getType().isClass()||temp.getType().isArray())
1182 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1184 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1186 headersout.println(");\n");
1190 /** This function outputs (1) structures that parameters are
1191 * passed in (when PRECISE GC is enabled) and (2) function
1192 * prototypes for the tasks */
1194 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1195 /* Cycle through tasks */
1196 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1198 while(taskit.hasNext()) {
1199 /* Classify parameters */
1200 TaskDescriptor task=(TaskDescriptor)taskit.next();
1201 FlatMethod fm=state.getMethodFlat(task);
1202 generateTempStructs(fm, null);
1204 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1205 TempObject objecttemps=(TempObject) tempstable.get(task);
1207 /* Output parameter structure */
1208 if (GENERATEPRECISEGC) {
1209 output.println("struct "+task.getSafeSymbol()+"_params {");
1211 output.println(" int size;");
1212 output.println(" void * next;");
1213 for(int i=0; i<objectparams.numPointers(); i++) {
1214 TempDescriptor temp=objectparams.getPointer(i);
1215 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1218 output.println("};\n");
1219 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1220 maxtaskparams=objectparams.numPointers()+fm.numTags();
1224 /* Output temp structure */
1225 if (GENERATEPRECISEGC) {
1226 output.println("struct "+task.getSafeSymbol()+"_locals {");
1227 output.println(" int size;");
1228 output.println(" void * next;");
1229 for(int i=0; i<objecttemps.numPointers(); i++) {
1230 TempDescriptor temp=objecttemps.getPointer(i);
1231 if (temp.getType().isNull())
1232 output.println(" void * "+temp.getSafeSymbol()+";");
1233 else if(temp.getType().isTag())
1234 output.println(" struct "+
1235 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1237 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1239 output.println("};\n");
1242 /* Output task declaration */
1243 headersout.print("void " + task.getSafeSymbol()+"(");
1245 boolean printcomma=false;
1246 if (GENERATEPRECISEGC) {
1247 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1249 headersout.print("void * parameterarray[]");
1250 headersout.println(");\n");
1254 /***** Generate code for FlatMethod fm. *****/
1256 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1257 if (State.PRINTFLAT)
1258 System.out.println(fm.printMethod());
1259 MethodDescriptor md=fm.getMethod();
1261 TaskDescriptor task=fm.getTask();
1263 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1265 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
1266 generateHeader(fm, lb, md!=null ? md : task,output);
1267 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1268 if (state.DSM&&lb.getHasAtomic()) {
1269 output.println("transrecord_t * trans;");
1272 if (GENERATEPRECISEGC) {
1273 if (md!=null&&state.DSM)
1274 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1275 else if (md!=null&&!state.DSM)
1276 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1278 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1280 output.print(objecttemp.numPointers()+",");
1281 output.print(paramsprefix);
1282 for(int j=0; j<objecttemp.numPointers(); j++)
1283 output.print(", NULL");
1284 output.println("};");
1287 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1288 TempDescriptor td=objecttemp.getPrimitive(i);
1289 TypeDescriptor type=td.getType();
1291 output.println(" void * "+td.getSafeSymbol()+";");
1292 else if (type.isClass()||type.isArray())
1293 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1295 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1298 /* Assign labels to FlatNode's if necessary.*/
1300 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(fm);
1302 /* Check to see if we need to do a GC if this is a
1303 * multi-threaded program...*/
1305 if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
1306 if (state.DSM&&lb.isAtomic())
1307 output.println("checkcollect2(&"+localsprefix+",trans);");
1309 output.println("checkcollect(&"+localsprefix+");");
1312 /* Do the actual code generation */
1313 FlatNode current_node=null;
1314 HashSet tovisit=new HashSet();
1315 HashSet visited=new HashSet();
1316 tovisit.add(fm.getNext(0));
1317 while(current_node!=null||!tovisit.isEmpty()) {
1318 if (current_node==null) {
1319 current_node=(FlatNode)tovisit.iterator().next();
1320 tovisit.remove(current_node);
1322 visited.add(current_node);
1323 if (nodetolabel.containsKey(current_node))
1324 output.println("L"+nodetolabel.get(current_node)+":");
1325 if (state.INSTRUCTIONFAILURE) {
1326 if (state.THREAD||state.DSM) {
1327 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1329 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1331 if (current_node.numNext()==0) {
1333 generateFlatNode(fm, lb, current_node, output);
1334 if (current_node.kind()!=FKind.FlatReturnNode) {
1335 output.println(" return;");
1338 } else if(current_node.numNext()==1) {
1340 generateFlatNode(fm, lb, current_node, output);
1341 FlatNode nextnode=current_node.getNext(0);
1342 if (visited.contains(nextnode)) {
1343 output.println("goto L"+nodetolabel.get(nextnode)+";");
1346 current_node=nextnode;
1347 } else if (current_node.numNext()==2) {
1350 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1351 if (!visited.contains(current_node.getNext(1)))
1352 tovisit.add(current_node.getNext(1));
1353 if (visited.contains(current_node.getNext(0))) {
1354 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1357 current_node=current_node.getNext(0);
1358 } else throw new Error();
1360 output.println("}\n\n");
1363 /** This method assigns labels to FlatNodes */
1365 protected Hashtable<FlatNode, Integer> assignLabels(FlatMethod fm) {
1366 HashSet tovisit=new HashSet();
1367 HashSet visited=new HashSet();
1369 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1370 tovisit.add(fm.getNext(0));
1372 /*Assign labels first. A node needs a label if the previous
1373 * node has two exits or this node is a join point. */
1375 while(!tovisit.isEmpty()) {
1376 FlatNode fn=(FlatNode)tovisit.iterator().next();
1379 for(int i=0; i<fn.numNext(); i++) {
1380 FlatNode nn=fn.getNext(i);
1382 //1) Edge >1 of node
1383 nodetolabel.put(nn,new Integer(labelindex++));
1385 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1389 nodetolabel.put(nn,new Integer(labelindex++));
1397 /** Generate text string that corresponds to the TempDescriptor td. */
1398 protected String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1399 MethodDescriptor md=fm.getMethod();
1400 TaskDescriptor task=fm.getTask();
1401 TempObject objecttemps=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
1403 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1404 return td.getSafeSymbol();
1407 if (objecttemps.isLocalPtr(td)) {
1408 return localsprefix+"."+td.getSafeSymbol();
1411 if (objecttemps.isParamPtr(td)) {
1412 return paramsprefix+"->"+td.getSafeSymbol();
1417 protected void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1419 case FKind.FlatAtomicEnterNode:
1420 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1423 case FKind.FlatAtomicExitNode:
1424 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1427 case FKind.FlatGlobalConvNode:
1428 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1431 case FKind.FlatTagDeclaration:
1432 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1435 case FKind.FlatCall:
1436 generateFlatCall(fm, lb, (FlatCall) fn,output);
1439 case FKind.FlatFieldNode:
1440 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1443 case FKind.FlatElementNode:
1444 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1447 case FKind.FlatSetElementNode:
1448 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1451 case FKind.FlatSetFieldNode:
1452 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1456 generateFlatNew(fm, lb, (FlatNew) fn,output);
1459 case FKind.FlatOpNode:
1460 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1463 case FKind.FlatCastNode:
1464 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1467 case FKind.FlatLiteralNode:
1468 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1471 case FKind.FlatReturnNode:
1472 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1476 output.println("/* nop */");
1479 case FKind.FlatBackEdge:
1480 if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
1481 if(state.DSM&&locality.getAtomic(lb).get(fn).intValue()>0) {
1482 output.println("checkcollect2(&"+localsprefix+",trans);");
1484 output.println("checkcollect(&"+localsprefix+");");
1486 output.println("/* nop */");
1489 case FKind.FlatCheckNode:
1490 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1493 case FKind.FlatFlagActionNode:
1494 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1497 case FKind.FlatPrefetchNode:
1498 generateFlatPrefetchNode(fm,lb, (FlatPrefetchNode) fn, output);
1504 public void generateFlatPrefetchNode(FlatMethod fm, LocalityBinding lb, FlatPrefetchNode fpn, PrintWriter output) {
1505 if (state.PREFETCH) {
1506 Vector oids = new Vector();
1507 Vector fieldoffset = new Vector();
1508 Vector endoffset = new Vector();
1509 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1510 for(Iterator it = fpn.hspp.iterator(); it.hasNext();) {
1511 PrefetchPair pp = (PrefetchPair) it.next();
1512 Integer statusbase = locality.getNodePreTempInfo(lb,fpn).get(pp.base);
1513 /* Find prefetches that can generate oid */
1514 if(statusbase == LocalityAnalysis.GLOBAL) {
1515 generateTransCode(fm, lb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(lb).get(fpn).intValue()>0, false);
1517 } else if (statusbase == LocalityAnalysis.LOCAL) {
1518 generateTransCode(fm,lb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1525 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
1526 output.println("{");
1527 output.println("/* prefetch */");
1528 output.println("/* prefetchid_" + fpn.siteid + " */");
1529 output.println("void * prefptr;");
1530 output.println("int tmpindex;");
1532 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1533 /*Create C code for oid array */
1534 output.print(" unsigned int oidarray_[] = {");
1535 boolean needcomma=false;
1536 for (Iterator it = oids.iterator(); it.hasNext();) {
1539 output.print(it.next());
1542 output.println("};");
1544 /*Create C code for endoffset values */
1545 output.print(" unsigned short endoffsetarry_[] = {");
1547 for (Iterator it = endoffset.iterator(); it.hasNext();) {
1550 output.print(it.next());
1553 output.println("};");
1555 /*Create C code for Field Offset Values */
1556 output.print(" short fieldarry_[] = {");
1558 for (Iterator it = fieldoffset.iterator(); it.hasNext();) {
1561 output.print(it.next());
1564 output.println("};");
1565 /* make the prefetch call to Runtime */
1566 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1567 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1568 output.println(" }");
1569 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1570 output.println(" } else {");
1571 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1572 output.println(" }");
1573 output.println("}");
1577 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1578 short offsetcount = 0;
1582 } else if (localbase) {
1583 for(; breakindex<pp.desc.size(); breakindex++) {
1584 Descriptor desc=pp.getDescAt(breakindex);
1585 if (desc instanceof FieldDescriptor) {
1586 FieldDescriptor fd=(FieldDescriptor)desc;
1587 if (fd.isGlobal()) {
1595 if (breakindex>pp.desc.size()) //all local
1598 TypeDescriptor lasttype=pp.base.getType();
1599 String basestr=generateTemp(fm, pp.base, lb);
1601 boolean maybenull=fm.getMethod().isStatic()||
1602 !pp.base.equals(fm.getParameter(0));
1604 for(int i=0; i<breakindex; i++) {
1605 String indexcheck="";
1607 Descriptor desc=pp.getDescAt(i);
1608 if (desc instanceof FieldDescriptor) {
1609 FieldDescriptor fd=(FieldDescriptor)desc;
1611 if (!teststr.equals(""))
1613 teststr+="((prefptr="+basestr+")!=NULL)";
1614 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+fd.getSafeSymbol();
1616 basestr=basestr+"->"+fd.getSafeSymbol();
1619 lasttype=fd.getType();
1621 IndexDescriptor id=(IndexDescriptor)desc;
1622 indexcheck="((tmpindex=";
1623 for(int j=0; j<id.tddesc.size(); j++) {
1624 indexcheck+=generateTemp(fm, id.getTempDescAt(j), lb)+"+";
1626 indexcheck+=id.offset+")>=0)&&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
1628 if (!teststr.equals(""))
1630 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
1631 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
1633 lasttype=lasttype.dereference();
1638 if (teststr.equals("")) {
1639 oid="((unsigned int)"+basestr+")";
1641 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
1645 for(int i = breakindex; i < pp.desc.size(); i++) {
1646 String newfieldoffset;
1647 Object desc = pp.getDescAt(i);
1648 if(desc instanceof FieldDescriptor) {
1649 FieldDescriptor fd=(FieldDescriptor)desc;
1650 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
1651 lasttype=fd.getType();
1653 newfieldoffset = "";
1654 IndexDescriptor id=(IndexDescriptor)desc;
1655 for(int j = 0; j < id.tddesc.size(); j++) {
1656 newfieldoffset += generateTemp(fm, id.getTempDescAt(j), lb) + "+";
1658 newfieldoffset += id.offset.toString();
1659 lasttype=lasttype.dereference();
1661 fieldoffset.add(newfieldoffset);
1664 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
1665 base+=pp.desc.size()-breakindex;
1666 endoffset.add(new Short((short)base));
1671 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1672 if (lb!=fgcn.getLocality())
1674 /* Have to generate flat globalconv */
1675 if (fgcn.getMakePtr()) {
1676 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)transRead(trans, (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1678 /* Need to convert to OID */
1679 if (fgcn.doConvert()) {
1680 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1682 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=NULL;");
1687 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1688 /* Check to see if we need to generate code for this atomic */
1689 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1691 /* Backup the temps. */
1692 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1693 TempDescriptor tmp=tmpit.next();
1694 output.println(generateTemp(fm, backuptable.get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1696 output.println("goto transstart"+faen.getIdentifier()+";");
1698 /******* Print code to retry aborted transaction *******/
1699 output.println("transretry"+faen.getIdentifier()+":");
1702 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator(); tmpit.hasNext();) {
1703 TempDescriptor tmp=tmpit.next();
1704 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(tmp),lb)+";");
1707 /********* Need to revert local object store ********/
1708 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1710 output.println("while ("+revertptr+") {");
1711 output.println("struct ___Object___ * tmpptr;");
1712 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1713 output.println("REVERT_OBJ("+revertptr+");");
1714 output.println(revertptr+"=tmpptr;");
1715 output.println("}");
1717 /******* Tell the runtime to start the transaction *******/
1719 output.println("transstart"+faen.getIdentifier()+":");
1720 output.println("trans=transStart();");
1723 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1724 /* Check to see if we need to generate code for this atomic */
1725 if (locality.getAtomic(lb).get(faen).intValue()>0)
1727 //store the revert list before we lose the transaction object
1728 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1729 output.println(revertptr+"=trans->revertlist;");
1730 output.println("if (transCommit(trans)) {");
1731 /* Transaction aborts if it returns true */
1732 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1733 output.println("} else {");
1734 /* Need to commit local object store */
1735 output.println("while ("+revertptr+") {");
1736 output.println("struct ___Object___ * tmpptr;");
1737 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1738 output.println("COMMIT_OBJ("+revertptr+");");
1739 output.println(revertptr+"=tmpptr;");
1740 output.println("}");
1741 output.println("}");
1744 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
1745 if (state.CONSCHECK) {
1746 String specname=fcn.getSpec();
1747 String varname="repairstate___";
1748 output.println("{");
1749 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1751 TempDescriptor[] temps=fcn.getTemps();
1752 String[] vars=fcn.getVars();
1753 for(int i=0; i<temps.length; i++) {
1754 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
1757 output.println("if (doanalysis"+specname+"("+varname+")) {");
1758 output.println("free"+specname+"_state("+varname+");");
1759 output.println("} else {");
1760 output.println("/* Bad invariant */");
1761 output.println("free"+specname+"_state("+varname+");");
1762 output.println("abort_task();");
1763 output.println("}");
1764 output.println("}");
1768 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
1769 MethodDescriptor md=fc.getMethod();
1770 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM ? locality.getBinding(lb, fc) : md);
1771 ClassDescriptor cn=md.getClassDesc();
1772 output.println("{");
1773 if (GENERATEPRECISEGC) {
1775 LocalityBinding fclb=locality.getBinding(lb, fc);
1776 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1778 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1780 output.print(objectparams.numPointers());
1781 output.print(", & "+localsprefix);
1782 if (md.getThis()!=null) {
1784 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
1786 if (fc.getThis()!=null&&md.getThis()==null) {
1787 System.out.println("WARNING!!!!!!!!!!!!");
1788 System.out.println("Source code calls static method"+md+"on an object in "+fm.getMethod()+"!");
1792 for(int i=0; i<fc.numArgs(); i++) {
1793 Descriptor var=md.getParameter(i);
1794 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1795 if (objectparams.isParamPtr(paramtemp)) {
1796 TempDescriptor targ=fc.getArg(i);
1798 TypeDescriptor td=md.getParamType(i);
1800 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1802 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1805 output.println("};");
1810 if (fc.getReturnTemp()!=null)
1811 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
1813 /* Do we need to do virtual dispatch? */
1814 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
1817 LocalityBinding fclb=locality.getBinding(lb, fc);
1818 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1820 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1825 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1826 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1828 output.print(md.getReturnType().getSafeSymbol()+" ");
1829 output.print("(*)(");
1831 boolean printcomma=false;
1832 if (GENERATEPRECISEGC) {
1834 LocalityBinding fclb=locality.getBinding(lb, fc);
1835 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1837 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1841 for(int i=0; i<objectparams.numPrimitives(); i++) {
1842 TempDescriptor temp=objectparams.getPrimitive(i);
1846 if (temp.getType().isClass()||temp.getType().isArray())
1847 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
1849 output.print(temp.getType().getSafeSymbol());
1852 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()&&!fc.getMethod().getModifiers().isNative()) {
1853 LocalityBinding fclb=locality.getBinding(lb, fc);
1856 output.print("transrecord_t *");
1861 LocalityBinding fclb=locality.getBinding(lb, fc);
1862 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
1864 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
1868 boolean needcomma=false;
1869 if (GENERATEPRECISEGC) {
1870 output.print("&__parameterlist__");
1874 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()&&!fc.getMethod().getModifiers().isNative()) {
1877 output.print("trans");
1881 if (!GENERATEPRECISEGC) {
1882 if (fc.getThis()!=null) {
1883 TypeDescriptor ptd=md.getThis().getType();
1886 if (ptd.isClass()&&!ptd.isArray())
1887 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1888 output.print(generateTemp(fm,fc.getThis(),lb));
1893 for(int i=0; i<fc.numArgs(); i++) {
1894 Descriptor var=md.getParameter(i);
1895 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1896 if (objectparams.isParamPrim(paramtemp)) {
1897 TempDescriptor targ=fc.getArg(i);
1901 TypeDescriptor ptd=md.getParamType(i);
1902 if (ptd.isClass()&&!ptd.isArray())
1903 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1904 output.print(generateTemp(fm, targ,lb));
1908 output.println(");");
1909 output.println(" }");
1912 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
1913 Set subclasses=typeutil.getSubClasses(thiscd);
1914 if (subclasses==null)
1916 for(Iterator classit=subclasses.iterator(); classit.hasNext();) {
1917 ClassDescriptor cd=(ClassDescriptor)classit.next();
1918 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
1919 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext();) {
1920 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
1921 if (md.matches(matchmd))
1928 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
1930 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
1931 if (status==LocalityAnalysis.GLOBAL) {
1932 String field=ffn.getField().getSafeSymbol();
1933 String src=generateTemp(fm, ffn.getSrc(),lb);
1934 String dst=generateTemp(fm, ffn.getDst(),lb);
1936 if (ffn.getField().getType().isPtr()) {
1938 //TODO: Uncomment this when we have runtime support
1939 //if (ffn.getSrc()==ffn.getDst()) {
1940 //output.println("{");
1941 //output.println("void * temp="+src+";");
1942 //output.println("if (temp&0x1) {");
1943 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
1944 //output.println(src+"->"+field+"="+temp+";");
1945 //output.println("}");
1946 //output.println(dst+"=temp;");
1947 //output.println("}");
1949 output.println(dst+"="+ src +"->"+field+ ";");
1950 //output.println("if ("+dst+"&0x1) {");
1951 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
1952 //output.println(src+"->"+field+"="+src+"->"+field+";");
1953 //output.println("}");
1956 output.println(dst+"="+ src+"->"+field+";");
1958 } else if (status==LocalityAnalysis.LOCAL) {
1959 if (ffn.getField().getType().isPtr()&&
1960 ffn.getField().isGlobal()) {
1961 String field=ffn.getField().getSafeSymbol();
1962 String src=generateTemp(fm, ffn.getSrc(),lb);
1963 String dst=generateTemp(fm, ffn.getDst(),lb);
1964 output.println(dst+"="+ src +"->"+field+ ";");
1965 if (locality.getAtomic(lb).get(ffn).intValue()>0)
1966 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
1968 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1969 } else if (status==LocalityAnalysis.EITHER) {
1970 //Code is reading from a null pointer
1971 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
1972 output.println("#ifndef RAW");
1973 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
1974 output.println("#endif");
1975 //This should throw a suitable null pointer error
1976 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1978 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
1980 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1984 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
1985 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
1986 throw new Error("Can't set array length");
1987 if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
1988 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
1989 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
1990 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
1992 String src=generateTemp(fm,fsfn.getSrc(),lb);
1993 String dst=generateTemp(fm,fsfn.getDst(),lb);
1995 output.println("{");
1996 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
1998 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
2001 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
2003 output.println("*((unsigned int *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
2005 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2006 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
2007 /** Check if we need to copy */
2008 output.println("if(!"+dst+"->"+localcopystr+") {");
2009 /* Link object into list */
2010 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2011 output.println(revertptr+"=trans->revertlist;");
2012 if (GENERATEPRECISEGC)
2013 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2015 output.println("COPY_OBJ("+dst+");");
2016 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2017 output.println("trans->revertlist=(struct ___Object___ *)"+dst+";");
2018 output.println("}");
2020 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2022 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2023 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
2024 //writing to a null...bad
2025 output.println("if ("+dst+") {");
2026 output.println("#ifndef RAW");
2027 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
2028 output.println("#endif");
2030 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
2032 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
2035 output.println("}");
2038 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
2042 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
2043 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2046 if (elementtype.isArray()||elementtype.isClass())
2049 type=elementtype.getSafeSymbol()+" ";
2051 if (fen.needsBoundsCheck()) {
2052 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
2053 output.println("failedboundschk();");
2056 Integer status=locality.getNodePreTempInfo(lb,fen).get(fen.getSrc());
2057 if (status==LocalityAnalysis.GLOBAL) {
2058 String dst=generateTemp(fm, fen.getDst(),lb);
2060 if (elementtype.isPtr()) {
2061 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2062 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
2064 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2066 } else if (status==LocalityAnalysis.LOCAL) {
2067 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2068 } else if (status==LocalityAnalysis.EITHER) {
2069 //Code is reading from a null pointer
2070 output.println("if ("+generateTemp(fm, fen.getSrc(),lb)+") {");
2071 output.println("#ifndef RAW");
2072 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
2073 output.println("#endif");
2074 //This should throw a suitable null pointer error
2075 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2077 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
2079 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
2083 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
2084 //TODO: need dynamic check to make sure this assignment is actually legal
2085 //Because Object[] could actually be something more specific...ie. Integer[]
2087 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2090 if (elementtype.isArray()||elementtype.isClass())
2093 type=elementtype.getSafeSymbol()+" ";
2096 if (fsen.needsBoundsCheck()) {
2097 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
2098 output.println("failedboundschk();");
2101 if (state.DSM && locality.getAtomic(lb).get(fsen).intValue()>0) {
2102 Integer statussrc=locality.getNodePreTempInfo(lb,fsen).get(fsen.getSrc());
2103 Integer statusdst=locality.getNodePreTempInfo(lb,fsen).get(fsen.getDst());
2104 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
2105 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
2106 boolean dstlocal=statusdst==LocalityAnalysis.LOCAL;
2109 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst(),lb)+"->___localcopy___))|=DIRTY;");
2110 } else if (dstlocal) {
2111 /** Check if we need to copy */
2112 String dst=generateTemp(fm, fsen.getDst(),lb);
2113 output.println("if(!"+dst+"->"+localcopystr+") {");
2114 /* Link object into list */
2115 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2116 output.println(revertptr+"=trans->revertlist;");
2117 if (GENERATEPRECISEGC)
2118 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
2120 output.println("COPY_OBJ("+dst+");");
2121 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2122 output.println("trans->revertlist=(struct ___Object___ *)"+dst+";");
2123 output.println("}");
2124 } else throw new Error("Unknown array type");
2126 output.println("{");
2127 String src=generateTemp(fm, fsen.getSrc(), lb);
2128 output.println("int srcoid=("+src+"!=NULL?((int)"+src+"->"+oidstr+"):0);");
2129 output.println("((int*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]=srcoid;");
2130 output.println("}");
2132 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2135 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
2138 protected void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
2139 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2140 //Stash pointer in case of GC
2141 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2142 output.println(revertptr+"=trans->revertlist;");
2144 if (fn.getType().isArray()) {
2145 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2146 if (fn.isGlobal()) {
2147 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal(trans, "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2148 } else if (GENERATEPRECISEGC) {
2149 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2151 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
2154 if (fn.isGlobal()) {
2155 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal(trans, "+fn.getType().getClassDesc().getId()+");");
2156 } else if (GENERATEPRECISEGC) {
2157 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
2159 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2162 if (state.DSM && locality.getAtomic(lb).get(fn).intValue()>0&&!fn.isGlobal()) {
2163 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2164 output.println("trans->revertlist="+revertptr+";");
2168 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
2169 if (GENERATEPRECISEGC) {
2170 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
2172 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
2176 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
2177 if (fon.getRight()!=null) {
2178 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2179 if (fon.getLeft().getType().isLong())
2180 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2182 output.println(generateTemp(fm, fon.getDest(),lb)+" = ((unsigned int)"+generateTemp(fm, fon.getLeft(),lb)+")>>"+generateTemp(fm,fon.getRight(),lb)+";");
2185 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
2186 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2187 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2188 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2189 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
2190 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2191 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
2192 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2193 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
2194 else if (fon.getOp().getOp()==Operation.COMP)
2195 output.println(generateTemp(fm, fon.getDest(),lb)+" = ~"+generateTemp(fm, fon.getLeft(),lb)+";");
2196 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2197 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
2199 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
2202 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
2203 /* TODO: Do type check here */
2204 if (fcn.getType().isArray()) {
2206 } else if (fcn.getType().isClass())
2207 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
2209 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
2212 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
2213 if (fln.getValue()==null)
2214 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2215 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2216 if (GENERATEPRECISEGC) {
2217 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2218 //Stash pointer in case of GC
2219 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2220 output.println(revertptr+"=trans->revertlist;");
2222 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2223 if (state.DSM && locality.getAtomic(lb).get(fln).intValue()>0) {
2224 //Stash pointer in case of GC
2225 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
2226 output.println("trans->revertlist="+revertptr+";");
2229 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2231 } else if (fln.getType().isBoolean()) {
2232 if (((Boolean)fln.getValue()).booleanValue())
2233 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
2235 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
2236 } else if (fln.getType().isChar()) {
2237 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2238 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
2239 } else if (fln.getType().isLong()) {
2240 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+"LL;");
2242 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
2245 protected void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
2246 if (frn.getReturnTemp()!=null) {
2247 if (frn.getReturnTemp().getType().isPtr())
2248 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2250 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
2252 output.println("return;");
2256 protected void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2257 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
2260 /** This method generates header information for the method or
2261 * task referenced by the Descriptor des. */
2263 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2265 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2266 MethodDescriptor md=null;
2267 TaskDescriptor task=null;
2268 if (des instanceof MethodDescriptor)
2269 md=(MethodDescriptor) des;
2271 task=(TaskDescriptor) des;
2273 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2275 if (md!=null&&md.getReturnType()!=null) {
2276 if (md.getReturnType().isClass()||md.getReturnType().isArray())
2277 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2279 output.print(md.getReturnType().getSafeSymbol()+" ");
2281 //catch the constructor case
2282 output.print("void ");
2285 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2287 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2289 output.print(task.getSafeSymbol()+"(");
2291 boolean printcomma=false;
2292 if (GENERATEPRECISEGC) {
2295 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2297 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2299 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2303 if (state.DSM&&lb.isAtomic()) {
2306 output.print("transrecord_t * trans");
2312 for(int i=0; i<objectparams.numPrimitives(); i++) {
2313 TempDescriptor temp=objectparams.getPrimitive(i);
2317 if (temp.getType().isClass()||temp.getType().isArray())
2318 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2320 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2322 output.println(") {");
2323 } else if (!GENERATEPRECISEGC) {
2324 /* Imprecise Task */
2325 output.println("void * parameterarray[]) {");
2326 /* Unpack variables */
2327 for(int i=0; i<objectparams.numPrimitives(); i++) {
2328 TempDescriptor temp=objectparams.getPrimitive(i);
2329 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2331 for(int i=0; i<fm.numTags(); i++) {
2332 TempDescriptor temp=fm.getTag(i);
2333 int offset=i+objectparams.numPrimitives();
2334 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2337 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2338 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2339 } else output.println(") {");
2342 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
2343 output.println("/* FlatFlagActionNode */");
2346 /* Process tag changes */
2347 Relation tagsettable=new Relation();
2348 Relation tagcleartable=new Relation();
2350 Iterator tagsit=ffan.getTempTagPairs();
2351 while (tagsit.hasNext()) {
2352 TempTagPair ttp=(TempTagPair) tagsit.next();
2353 TempDescriptor objtmp=ttp.getTemp();
2354 TagDescriptor tag=ttp.getTag();
2355 TempDescriptor tagtmp=ttp.getTagTemp();
2356 boolean tagstatus=ffan.getTagChange(ttp);
2358 tagsettable.put(objtmp, tagtmp);
2360 tagcleartable.put(objtmp, tagtmp);
2365 Hashtable flagandtable=new Hashtable();
2366 Hashtable flagortable=new Hashtable();
2368 /* Process flag changes */
2369 Iterator flagsit=ffan.getTempFlagPairs();
2370 while(flagsit.hasNext()) {
2371 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2372 TempDescriptor temp=tfp.getTemp();
2373 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2374 FlagDescriptor flag=tfp.getFlag();
2376 //Newly allocate objects that don't set any flags case
2377 if (flagortable.containsKey(temp)) {
2381 flagortable.put(temp,new Integer(mask));
2383 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2384 boolean flagstatus=ffan.getFlagChange(tfp);
2387 if (flagortable.containsKey(temp)) {
2388 mask=((Integer)flagortable.get(temp)).intValue();
2391 flagortable.put(temp,new Integer(mask));
2393 int mask=0xFFFFFFFF;
2394 if (flagandtable.containsKey(temp)) {
2395 mask=((Integer)flagandtable.get(temp)).intValue();
2397 mask&=(0xFFFFFFFF^flagid);
2398 flagandtable.put(temp,new Integer(mask));
2404 HashSet flagtagset=new HashSet();
2405 flagtagset.addAll(flagortable.keySet());
2406 flagtagset.addAll(flagandtable.keySet());
2407 flagtagset.addAll(tagsettable.keySet());
2408 flagtagset.addAll(tagcleartable.keySet());
2410 Iterator ftit=flagtagset.iterator();
2411 while(ftit.hasNext()) {
2412 TempDescriptor temp=(TempDescriptor)ftit.next();
2415 Set tagtmps=tagcleartable.get(temp);
2416 if (tagtmps!=null) {
2417 Iterator tagit=tagtmps.iterator();
2418 while(tagit.hasNext()) {
2419 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2420 if (GENERATEPRECISEGC)
2421 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2423 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2427 tagtmps=tagsettable.get(temp);
2428 if (tagtmps!=null) {
2429 Iterator tagit=tagtmps.iterator();
2430 while(tagit.hasNext()) {
2431 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2432 if (GENERATEPRECISEGC)
2433 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2435 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2440 int andmask=0xFFFFFFF;
2442 if (flagortable.containsKey(temp))
2443 ormask=((Integer)flagortable.get(temp)).intValue();
2444 if (flagandtable.containsKey(temp))
2445 andmask=((Integer)flagandtable.get(temp)).intValue();
2446 generateFlagOrAnd(ffan, fm, lb, temp, output, ormask, andmask);
2447 generateObjectDistribute(ffan, fm, lb, temp, output);
2451 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp,
2452 PrintWriter output, int ormask, int andmask) {
2453 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2454 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2456 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2460 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, LocalityBinding lb, TempDescriptor temp, PrintWriter output) {
2461 output.println("enqueueObject("+generateTemp(fm, temp, lb)+");");
2464 void generateOptionalHeader(PrintWriter headers) {
2467 headers.println("#include \"task.h\"\n\n");
2468 headers.println("#ifndef _OPTIONAL_STRUCT_");
2469 headers.println("#define _OPTIONAL_STRUCT_");
2471 //STRUCT PREDICATEMEMBER
2472 headers.println("struct predicatemember{");
2473 headers.println("int type;");
2474 headers.println("int numdnfterms;");
2475 headers.println("int * flags;");
2476 headers.println("int numtags;");
2477 headers.println("int * tags;\n};\n\n");
2479 //STRUCT OPTIONALTASKDESCRIPTOR
2480 headers.println("struct optionaltaskdescriptor{");
2481 headers.println("struct taskdescriptor * task;");
2482 headers.println("int index;");
2483 headers.println("int numenterflags;");
2484 headers.println("int * enterflags;");
2485 headers.println("int numpredicatemembers;");
2486 headers.println("struct predicatemember ** predicatememberarray;");
2487 headers.println("};\n\n");
2489 //STRUCT TASKFAILURE
2490 headers.println("struct taskfailure {");
2491 headers.println("struct taskdescriptor * task;");
2492 headers.println("int index;");
2493 headers.println("int numoptionaltaskdescriptors;");
2494 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2496 //STRUCT FSANALYSISWRAPPER
2497 headers.println("struct fsanalysiswrapper{");
2498 headers.println("int flags;");
2499 headers.println("int numtags;");
2500 headers.println("int * tags;");
2501 headers.println("int numtaskfailures;");
2502 headers.println("struct taskfailure ** taskfailurearray;");
2503 headers.println("int numoptionaltaskdescriptors;");
2504 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2506 //STRUCT CLASSANALYSISWRAPPER
2507 headers.println("struct classanalysiswrapper{");
2508 headers.println("int type;");
2509 headers.println("int numotd;");
2510 headers.println("struct optionaltaskdescriptor ** otdarray;");
2511 headers.println("int numfsanalysiswrappers;");
2512 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2514 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2516 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2517 while(taskit.hasNext()) {
2518 TaskDescriptor td=(TaskDescriptor)taskit.next();
2519 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2524 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2525 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2526 int predicateindex = 0;
2527 //iterate through the classes concerned by the predicate
2528 Set c_vard = predicate.vardescriptors;
2529 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2532 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();) {
2533 VarDescriptor vard = (VarDescriptor)vard_it.next();
2534 TypeDescriptor typed = vard.getType();
2536 //generate for flags
2537 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2538 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2540 if (fen_hashset!=null) {
2541 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();) {
2542 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2544 DNFFlag dflag=fen.getDNF();
2545 numberterms+=dflag.size();
2547 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2549 for(int j=0; j<dflag.size(); j++) {
2551 output.println(",");
2552 Vector term=dflag.get(j);
2555 for(int k=0; k<term.size(); k++) {
2556 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2557 FlagDescriptor fd=dfa.getFlag();
2558 boolean negated=dfa.getNegated();
2559 int flagid=1<<((Integer)flags.get(fd)).intValue();
2564 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2569 output.println("};\n");
2572 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2573 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2576 for(int j=0; j<tagel.numTags(); j++) {
2578 output.println(",");
2579 TempDescriptor tmp=tagel.getTemp(j);
2580 if (!slotnumber.containsKey(tmp)) {
2581 Integer slotint=new Integer(current_slot++);
2582 slotnumber.put(tmp,slotint);
2584 int slot=slotnumber.get(tmp).intValue();
2585 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2587 numtags = tagel.numTags();
2589 output.println("};");
2591 //store the result into a predicatemember struct
2592 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2593 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2594 output.println("/* number of dnf terms */"+numberterms+",");
2595 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2596 output.println("/* number of tag */"+numtags+",");
2597 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2598 output.println("};\n");
2603 //generate an array that stores the entire predicate
2604 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2605 for( int j = 0; j<predicateindex; j++) {
2606 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2607 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2609 output.println("};\n");
2610 return predicateindex;
2614 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2615 generateOptionalHeader(headers);
2617 output.println("#include \"optionalstruct.h\"\n\n");
2618 output.println("#include \"stdlib.h\"\n");
2620 HashSet processedcd = new HashSet();
2622 Enumeration e = safeexecution.keys();
2623 while (e.hasMoreElements()) {
2626 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2627 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
2629 //Generate the struct of optionals
2630 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2631 numotd = c_otd.size();
2632 if(maxotd<numotd) maxotd = numotd;
2633 if( !c_otd.isEmpty() ) {
2634 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2635 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2637 //generate the int arrays for the predicate
2638 Predicate predicate = otd.predicate;
2639 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
2640 TreeSet<Integer> fsset=new TreeSet<Integer>();
2641 //iterate through possible FSes corresponding to
2642 //the state when entering
2644 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();) {
2645 FlagState fs = (FlagState)fses.next();
2647 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
2648 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2649 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2652 fsset.add(new Integer(flagid));
2653 //tag information not needed because tag
2654 //changes are not tolerated.
2657 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2658 boolean needcomma=false;
2659 for(Iterator<Integer> it=fsset.iterator(); it.hasNext();) {
2662 output.println(it.next());
2665 output.println("};\n");
2668 //generate optionaltaskdescriptor that actually
2669 //includes exit fses, predicate and the task
2671 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2672 output.println("&task_"+otd.td.getSafeSymbol()+",");
2673 output.println("/*index*/"+otd.getIndex()+",");
2674 output.println("/*number of enter flags*/"+fsset.size()+",");
2675 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2676 output.println("/*number of members */"+predicateindex+",");
2677 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2678 output.println("};\n");
2682 // if there are no optionals, there is no need to build the rest of the struct
2684 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
2685 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2686 if( !c_otd.isEmpty() ) {
2687 boolean needcomma=false;
2688 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();) {
2689 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2691 output.println(",");
2693 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2696 output.println("};\n");
2698 //get all the possible flagstates reachable by an object
2699 Hashtable hashtbtemp = safeexecution.get(cdtemp);
2701 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
2702 fsts.addAll(hashtbtemp.keySet());
2703 for(Iterator fsit=fsts.iterator(); fsit.hasNext();) {
2704 FlagState fs = (FlagState)fsit.next();
2707 //get the set of OptionalTaskDescriptors corresponding
2708 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
2709 //iterate through the OptionalTaskDescriptors and
2710 //store the pointers to the optionals struct (see on
2711 //top) into an array
2713 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
2714 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();) {
2715 OptionalTaskDescriptor mm = mos.next();
2717 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
2719 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2722 output.println("};\n");
2724 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
2727 for(Iterator flags = fs.getFlags(); flags.hasNext();) {
2728 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2729 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2733 //process tag information
2736 boolean first = true;
2737 Enumeration tag_enum = fs.getTags();
2738 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2739 while(tag_enum.hasMoreElements()) {
2741 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
2745 output.println(", ");
2746 output.println("/*tagid*/"+state.getTagId(tagd));
2748 output.println("};");
2750 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
2751 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
2752 TaskIndex ti=itti.next();
2756 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
2758 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
2759 boolean needcomma=false;
2760 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext();) {
2761 OptionalTaskDescriptor otd=otdit.next();
2765 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2767 output.println("};");
2769 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
2770 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
2771 output.print(ti.getIndex()+", ");
2772 output.print(otdset.size()+", ");
2773 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
2774 output.println("};");
2777 tiset=sa.getTaskIndex(fs);
2778 boolean needcomma=false;
2780 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2781 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext();) {
2782 TaskIndex ti=itti.next();
2783 if (ti.isRuntime()) {
2790 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
2792 output.println("};\n");
2794 //Store the result in fsanalysiswrapper
2796 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
2797 output.println("/*flag*/"+flagid+",");
2798 output.println("/* number of tags*/"+tagcounter+",");
2799 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2800 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
2801 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2802 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
2803 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
2804 output.println("};\n");
2808 //Build the array of fsanalysiswrappers
2809 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
2810 boolean needcomma=false;
2811 for(int i = 0; i<fscounter; i++) {
2812 if (needcomma) output.print(",");
2813 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
2816 output.println("};");
2818 //Build the classanalysiswrapper referring to the previous array
2819 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
2820 output.println("/*type*/"+cdtemp.getId()+",");
2821 output.println("/*numotd*/"+numotd+",");
2822 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
2823 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
2824 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
2825 processedcd.add(cdtemp);
2828 //build an array containing every classes for which code has been build
2829 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
2830 for(int i=0; i<state.numClasses(); i++) {
2831 ClassDescriptor cn=cdarray[i];
2834 if (processedcd.contains(cn))
2835 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
2837 output.print("NULL");
2839 output.println("};");
2841 output.println("#define MAXOTD "+maxotd);
2842 headers.println("#endif");
2845 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
2846 Relation r=new Relation();
2847 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext();) {
2848 OptionalTaskDescriptor otd=otdit.next();
2849 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
2853 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
2854 for(Iterator it=r.keySet().iterator(); it.hasNext();) {
2855 Set s=r.get(it.next());
2856 for(Iterator it2=s.iterator(); it2.hasNext();) {
2857 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
2865 protected void outputTransCode(PrintWriter output) {