2 import IR.Tree.Modifiers;
3 import IR.Tree.FlagExpressionNode;
4 import IR.Tree.DNFFlag;
5 import IR.Tree.DNFFlagAtom;
6 import IR.Tree.TagExpressionList;
7 import IR.Tree.OffsetNode;
14 import Analysis.TaskStateAnalysis.FlagState;
15 import Analysis.TaskStateAnalysis.FlagComparator;
16 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
17 import Analysis.TaskStateAnalysis.Predicate;
18 import Analysis.TaskStateAnalysis.SafetyAnalysis;
19 import Analysis.TaskStateAnalysis.TaskIndex;
20 import Analysis.CallGraph.CallGraph;
21 import Analysis.Loops.GlobalFieldType;
22 import Util.CodePrinter;
24 public class BuildCode {
27 Hashtable paramstable;
32 String localsprefix="___locals___";
33 String localsprefixaddr="&"+localsprefix;
34 String localsprefixderef=localsprefix+".";
35 String fcrevert="___fcrevert___";
36 String paramsprefix="___params___";
37 String nextobjstr="___nextobject___";
38 String localcopystr="___localcopy___";
39 public static boolean GENERATEPRECISEGC=false;
40 public static String PREFIX="";
41 public static String arraytype="ArrayObject";
42 public static int flagcount = 0;
45 protected int maxtaskparams=0;
46 protected int maxcount=0;
47 ClassDescriptor[] cdarray;
48 ClassDescriptor[] ifarray;
49 TypeDescriptor[] arraytable;
52 Hashtable<String, ClassDescriptor> printedfieldstbl;
53 int globaldefscount=0;
54 boolean mgcstaticinit = false;
58 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, CallGraph callgraph) {
59 this(st, temptovar, typeutil, null, callgraph);
62 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, CallGraph callgraph) {
65 this.callgraph=callgraph;
66 this.temptovar=temptovar;
67 paramstable=new Hashtable();
68 tempstable=new Hashtable();
69 fieldorder=new Hashtable();
70 flagorder=new Hashtable();
71 this.typeutil=typeutil;
72 State.logEvent("Virtual");
73 virtualcalls=new Virtual(state, null, callgraph);
74 printedfieldstbl = new Hashtable<String, ClassDescriptor>();
77 /** The buildCode method outputs C code for all the methods. The Flat
78 * versions of the methods must already be generated and stored in
79 * the State object. */
82 public void buildCode() {
83 /* Create output streams to write to */
84 PrintWriter outclassdefs=null;
85 PrintWriter outstructs=null;
86 PrintWriter outrepairstructs=null;
87 PrintWriter outmethodheader=null;
88 PrintWriter outmethod=null;
89 PrintWriter outvirtual=null;
90 PrintWriter outtask=null;
91 PrintWriter outtaskdefs=null;
92 PrintWriter outoptionalarrays=null;
93 PrintWriter optionalheaders=null;
94 PrintWriter outglobaldefs=null;
95 PrintWriter outglobaldefsprim=null;
96 State.logEvent("Beginning of buildCode");
99 buildCodeSetup(); //EXTENSION POINT
100 outstructs=new CodePrinter(new FileOutputStream(PREFIX+"structdefs.h"), true);
101 outmethodheader=new CodePrinter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
102 outclassdefs=new CodePrinter(new FileOutputStream(PREFIX+"classdefs.h"), true);
103 outglobaldefs=new CodePrinter(new FileOutputStream(PREFIX+"globaldefs.h"), true);
104 outglobaldefsprim=new CodePrinter(new FileOutputStream(PREFIX+"globaldefsprim.h"), true);
105 outmethod=new CodePrinter(new FileOutputStream(PREFIX+"methods.c"), true);
106 outvirtual=new CodePrinter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
108 outtask=new CodePrinter(new FileOutputStream(PREFIX+"task.h"), true);
109 outtaskdefs=new CodePrinter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
110 if (state.OPTIONAL) {
111 outoptionalarrays=new CodePrinter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
112 optionalheaders=new CodePrinter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
115 if (state.structfile!=null) {
116 outrepairstructs=new CodePrinter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
118 } catch (Exception e) {
123 /* Fix field safe symbols due to shadowing */
124 FieldShadow.handleFieldShadow(state);
126 /* Build the virtual dispatch tables */
127 buildVirtualTables(outvirtual);
129 /* Tag the methods that are invoked by static blocks */
130 tagMethodInvokedByStaticBlock();
132 /* Output includes */
133 outmethodheader.println("#ifndef METHODHEADERS_H");
134 outmethodheader.println("#define METHODHEADERS_H");
135 outmethodheader.println("#include \"structdefs.h\"");
137 if (state.EVENTMONITOR) {
138 outmethodheader.println("#include \"monitor.h\"");
141 additionalIncludesMethodsHeader(outmethodheader);
143 /* Output Structures */
144 outputStructs(outstructs);
146 // Output the C class declarations
147 // These could mutually reference each other
149 outglobaldefs.println("#ifndef __GLOBALDEF_H_");
150 outglobaldefs.println("#define __GLOBALDEF_H_");
151 outglobaldefs.println("");
152 outglobaldefs.println("struct global_defs_t {");
153 outglobaldefs.println(" int size;");
154 outglobaldefs.println(" void * next;");
155 outglobaldefsprim.println("#ifndef __GLOBALDEFPRIM_H_");
156 outglobaldefsprim.println("#define __GLOBALDEFPRIM_H_");
157 outglobaldefsprim.println("");
158 outglobaldefsprim.println("struct global_defsprim_t {");
160 outclassdefs.println("#ifndef __CLASSDEF_H_");
161 outclassdefs.println("#define __CLASSDEF_H_");
162 outputClassDeclarations(outclassdefs, outglobaldefs, outglobaldefsprim);
164 // Output function prototypes and structures for parameters
165 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
166 while(it.hasNext()) {
167 ClassDescriptor cn=(ClassDescriptor)it.next();
168 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader, outglobaldefs, outglobaldefsprim);
170 outclassdefs.println("#include \"globaldefs.h\"");
171 outclassdefs.println("#include \"globaldefsprim.h\"");
172 outclassdefs.println("#endif");
173 outclassdefs.close();
175 outglobaldefs.println("};");
176 outglobaldefs.println("");
177 outglobaldefs.println("extern struct global_defs_t * global_defs_p;");
178 outglobaldefs.println("#endif");
179 outglobaldefs.flush();
180 outglobaldefs.close();
182 outglobaldefsprim.println("};");
183 outglobaldefsprim.println("");
184 outglobaldefsprim.println("extern struct global_defsprim_t * global_defsprim_p;");
185 outglobaldefsprim.println("#endif");
186 outglobaldefsprim.flush();
187 outglobaldefsprim.close();
190 /* Map flags to integers */
191 /* The runtime keeps track of flags using these integers */
192 it=state.getClassSymbolTable().getDescriptorsIterator();
193 while(it.hasNext()) {
194 ClassDescriptor cn=(ClassDescriptor)it.next();
198 generateTaskStructs(outstructs, outmethodheader);
200 /* Outputs generic task structures if this is a task
202 outputTaskTypes(outtask);
206 // an opportunity for subclasses to do extra
208 preCodeGenInitialization();
210 State.logEvent("Start outputMethods");
211 /* Build the actual methods */
212 outputMethods(outmethod);
213 State.logEvent("End outputMethods");
215 // opportunity for subclasses to gen extra code
216 additionalCodeGen(outmethodheader,
222 /* Output code for tasks */
223 outputTaskCode(outtaskdefs, outmethod);
225 /* Record maximum number of task parameters */
226 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
227 } else if (state.main!=null) {
228 /* Generate main method */
229 outputMainMethod(outmethod);
232 /* Generate information for task with optional parameters */
233 if (state.TASK&&state.OPTIONAL) {
234 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
235 outoptionalarrays.close();
238 /* Output structure definitions for repair tool */
239 if (state.structfile!=null) {
240 buildRepairStructs(outrepairstructs);
241 outrepairstructs.close();
245 outmethodheader.println("#endif");
246 outmethodheader.close();
248 outstructs.println("#endif");
253 postCodeGenCleanUp();
254 State.logEvent("End of buildCode");
257 /* This method goes though the call graph and tag those methods that are
258 * invoked inside static blocks
260 protected void tagMethodInvokedByStaticBlock() {
261 Iterator it_sclasses = this.state.getSClassSymbolTable().getDescriptorsIterator();
262 MethodDescriptor current_md=null;
263 HashSet tovisit=new HashSet();
264 HashSet visited=new HashSet();
266 while(it_sclasses.hasNext()) {
267 ClassDescriptor cd = (ClassDescriptor)it_sclasses.next();
268 MethodDescriptor md = (MethodDescriptor)cd.getMethodTable().get("staticblocks");
274 while(!tovisit.isEmpty()) {
275 current_md=(MethodDescriptor)tovisit.iterator().next();
276 tovisit.remove(current_md);
277 visited.add(current_md);
278 Iterator it_callee = this.callgraph.getCalleeSet(current_md).iterator();
279 while(it_callee.hasNext()) {
280 Descriptor d = (Descriptor)it_callee.next();
281 if(d instanceof MethodDescriptor) {
282 if(!visited.contains(d)) {
283 ((MethodDescriptor)d).setIsInvokedByStatic(true);
291 /* This code generates code for each static block and static field
293 protected void outputStaticBlocks(PrintWriter outmethod) {
294 // execute all the static blocks and all the static field initializations
295 // execute all the static blocks and all the static field initializations
296 SymbolTable sctbl = this.state.getSClassSymbolTable();
297 Iterator it_sclasses = sctbl.getDescriptorsIterator();
298 if(it_sclasses.hasNext()) {
299 while(it_sclasses.hasNext()) {
300 ClassDescriptor t_cd = (ClassDescriptor)it_sclasses.next();
301 MethodDescriptor t_md = (MethodDescriptor)t_cd.getMethodTable().get("staticblocks");
303 outmethod.println(" {");
304 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
305 outmethod.print(" struct "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
306 outmethod.println("0, NULL};");
307 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
309 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
311 outmethod.println(" }");
317 /* This code generates code to create a Class object for each class for
320 protected void outputClassObjects(PrintWriter outmethod) {
321 // for each class, initialize its Class object
322 SymbolTable ctbl = this.state.getClassSymbolTable();
323 for(Iterator it_classes = ctbl.getDescriptorsIterator();it_classes.hasNext();) {
324 ClassDescriptor t_cd = (ClassDescriptor)it_classes.next();
325 outmethod.println(" {");
326 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
327 outmethod.println(" struct garbagelist dummy={0,NULL};");
328 outmethod.println(" global_defs_p->"+t_cd.getSafeSymbol()+"classobj = allocate_new(&dummy, " + typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
330 outmethod.println(" global_defs_p->"+t_cd.getSafeSymbol()+"classobj = allocate_new("+typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
331 outmethod.println(" }");
335 /* This code just generates the main C method for java programs.
336 * The main C method packs up the arguments into a string array
337 * and passes it to the java main method. */
339 protected void outputMainMethod(PrintWriter outmethod) {
340 outmethod.println("int main(int argc, const char *argv[]) {");
341 outmethod.println(" int i;");
342 outmethod.println(" global_defs_p=calloc(1, sizeof(struct global_defs_t));");
343 outmethod.println(" global_defsprim_p=calloc(1, sizeof(struct global_defsprim_t));");
344 if (GENERATEPRECISEGC) {
345 outmethod.println(" global_defs_p->size="+globaldefscount+";");
346 outmethod.println(" for(i=0;i<"+globaldefscount+";i++) {");
347 outmethod.println(" ((struct garbagelist *)global_defs_p)->array[i]=NULL;");
348 outmethod.println(" }");
350 outputStaticBlocks(outmethod);
351 outputClassObjects(outmethod);
354 additionalCodeAtTopOfMain(outmethod);
357 outmethod.println("initializethreads();");
360 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
361 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
363 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
365 outmethod.println(" for(i=1;i<argc;i++) {");
366 outmethod.println(" int length=strlen(argv[i]);");
368 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
369 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
371 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
373 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
374 outmethod.println(" }");
376 MethodDescriptor md=typeutil.getMain();
377 ClassDescriptor cd=typeutil.getMainClass();
379 outmethod.println(" {");
380 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
381 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
382 outmethod.println("1, NULL,"+"stringarray};");
383 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
385 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
387 outmethod.println(" }");
390 outmethod.println("pthread_mutex_lock(&gclistlock);");
391 outmethod.println("threadcount--;");
392 outmethod.println("pthread_cond_signal(&gccond);");
393 outmethod.println("pthread_mutex_unlock(&gclistlock);");
396 if (state.EVENTMONITOR) {
397 outmethod.println("dumpdata();");
401 outmethod.println("pthread_exit(NULL);");
404 additionalCodeAtBottomOfMain(outmethod);
406 outmethod.println("}");
409 /* This method outputs code for each task. */
411 protected void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
412 /* Compile task based program */
413 outtaskdefs.println("#include \"task.h\"");
414 outtaskdefs.println("#include \"methodheaders.h\"");
415 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
416 while(taskit.hasNext()) {
417 TaskDescriptor td=(TaskDescriptor)taskit.next();
418 FlatMethod fm=state.getMethodFlat(td);
420 generateFlatMethod(fm, outmethod);
421 generateTaskDescriptor(outtaskdefs, fm, td);
424 //Output task descriptors
425 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
426 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
428 while(taskit.hasNext()) {
429 TaskDescriptor td=(TaskDescriptor)taskit.next();
433 outtaskdefs.println(",");
434 outtaskdefs.print("&task_"+td.getSafeSymbol());
436 outtaskdefs.println("};");
438 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
442 /* This method outputs most of the methods.c file. This includes
443 * some standard includes and then an array with the sizes of
444 * objets and array that stores supertype and then the code for
445 * the Java methods.. */
446 protected void outputMethods(PrintWriter outmethod) {
447 outmethod.println("#include \"methodheaders.h\"");
448 outmethod.println("#include \"virtualtable.h\"");
449 outmethod.println("#include \"runtime.h\"");
451 // always include: compiler directives will leave out
452 // instrumentation when option is not set
453 if(!state.MULTICORE) {
454 outmethod.println("#include \"coreprof/coreprof.h\"");
457 if (state.FASTCHECK) {
458 outmethod.println("#include \"localobjects.h\"");
460 if(state.MULTICORE) {
462 outmethod.println("#include \"task.h\"");
464 outmethod.println("#include \"multicoreruntime.h\"");
465 outmethod.println("#include \"runtime_arch.h\"");
467 if (state.THREAD||state.DSM||state.SINGLETM) {
468 outmethod.println("#include <thread.h>");
471 outmethod.println("#include \"thread.h\"");
473 if (state.main!=null) {
474 outmethod.println("#include <string.h>");
476 if (state.CONSCHECK) {
477 outmethod.println("#include \"checkers.h\"");
481 additionalIncludesMethodsImplementation(outmethod);
483 outmethod.println("struct global_defs_t * global_defs_p;");
484 outmethod.println("struct global_defsprim_t * global_defsprim_p;");
485 //Store the sizes of classes & array elements
486 generateSizeArray(outmethod);
488 //Store table of supertypes
489 generateSuperTypeTable(outmethod);
491 //Store the layout of classes
492 generateLayoutStructs(outmethod);
495 additionalCodeAtTopMethodsImplementation(outmethod);
497 generateMethods(outmethod);
500 protected void generateMethods(PrintWriter outmethod) {
501 /* Generate code for methods */
502 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
503 while(classit.hasNext()) {
504 ClassDescriptor cn=(ClassDescriptor)classit.next();
505 Iterator methodit=cn.getMethods();
506 while(methodit.hasNext()) {
507 /* Classify parameters */
508 MethodDescriptor md=(MethodDescriptor)methodit.next();
509 if (!callgraph.isCallable(md)) {
513 FlatMethod fm=state.getMethodFlat(md);
514 if (!md.getModifiers().isNative()) {
515 generateFlatMethod(fm, outmethod);
521 protected void outputStructs(PrintWriter outstructs) {
522 outstructs.println("#ifndef STRUCTDEFS_H");
523 outstructs.println("#define STRUCTDEFS_H");
524 outstructs.println("#include \"classdefs.h\"");
525 outstructs.println("#ifndef INTPTR");
526 outstructs.println("#ifdef BIT64");
527 outstructs.println("#define INTPTR long");
528 outstructs.println("#else");
529 outstructs.println("#define INTPTR int");
530 outstructs.println("#endif");
531 outstructs.println("#endif");
534 additionalIncludesStructsHeader(outstructs);
537 /* Output #defines that the runtime uses to determine type
538 * numbers for various objects it needs */
539 outstructs.println("#define MAXCOUNT "+maxcount);
541 outstructs.println("#define STRINGARRAYTYPE "+
542 (state.getArrayNumber(
543 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
545 outstructs.println("#define OBJECTARRAYTYPE "+
546 (state.getArrayNumber(
547 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
550 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
551 outstructs.println("#define OBJECTTYPE "+typeutil.getClass(TypeUtil.ObjectClass).getId());
552 outstructs.println("#define CHARARRAYTYPE "+
553 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
555 outstructs.println("#define BYTEARRAYTYPE "+
556 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
558 outstructs.println("#define BYTEARRAYARRAYTYPE "+
559 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
561 outstructs.println("#define NUMCLASSES "+state.numClasses());
562 int totalClassSize = state.numClasses() + state.numArrays() + state.numInterfaces();
563 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
565 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
566 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
567 outstructs.println("#define TAGARRAYTYPE "+
568 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
572 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
573 if (state.THREAD||state.DSM||state.SINGLETM)
574 outclassdefs.println("#include <pthread.h>");
575 outclassdefs.println("#ifndef INTPTR");
576 outclassdefs.println("#ifdef BIT64");
577 outclassdefs.println("#define INTPTR long");
578 outclassdefs.println("#else");
579 outclassdefs.println("#define INTPTR int");
580 outclassdefs.println("#endif");
581 outclassdefs.println("#endif");
583 outclassdefs.println("#include \"optionalstruct.h\"");
584 outclassdefs.println("struct "+arraytype+";");
585 /* Start by declaring all structs */
586 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
587 while(it.hasNext()) {
588 ClassDescriptor cn=(ClassDescriptor)it.next();
589 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
591 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
592 // this class has static fields/blocks, need to add a global flag to
593 // indicate if its static fields have been initialized and/or if its
594 // static blocks have been executed
595 outglobaldefsprim.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
598 // for each class, create a global object
599 outglobaldefs.println(" struct ___Object___ *"+cn.getSafeSymbol()+"classobj;");
602 outclassdefs.println("");
603 //Print out definition for array type
604 outclassdefs.println("struct "+arraytype+" {");
605 outclassdefs.println(" int type;");
608 additionalClassObjectFields(outclassdefs);
611 if (state.EVENTMONITOR) {
612 outclassdefs.println(" int objuid;");
615 outclassdefs.println(" pthread_t tid;");
616 outclassdefs.println(" volatile int lockcount;");
617 outclassdefs.println(" volatile int notifycount;");
620 outclassdefs.println(" int mutex;");
621 outclassdefs.println(" volatile int notifycount;");
622 outclassdefs.println(" volatile int objlock;");
623 if(state.MULTICOREGC) {
624 outclassdefs.println(" int marked;");
628 outclassdefs.println(" int flag;");
629 if(!state.MULTICORE) {
630 outclassdefs.println(" void * flagptr;");
632 outclassdefs.println(" int version;");
633 outclassdefs.println(" int * lock;"); // lock entry for this obj
634 outclassdefs.println(" int mutex;");
635 outclassdefs.println(" volatile int lockcount;");
636 outclassdefs.println(" volatile int notifycount;");
637 if(state.MULTICOREGC) {
638 outclassdefs.println(" int marked;");
642 outclassdefs.println(" int numfses;");
643 outclassdefs.println(" int * fses;");
647 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
648 printedfieldstbl.clear();
649 printExtraArrayFields(outclassdefs);
650 if (state.ARRAYPAD) {
651 outclassdefs.println(" int paddingforarray;");
654 outclassdefs.println(" int ___length___;");
655 outclassdefs.println("};\n");
657 outclassdefs.println("");
658 outclassdefs.println("extern int classsize[];");
659 outclassdefs.println("extern int hasflags[];");
660 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
661 outclassdefs.println("extern int* supertypes[];");
662 outclassdefs.println("");
665 /** Prints out definitions for generic task structures */
667 protected void outputTaskTypes(PrintWriter outtask) {
668 outtask.println("#ifndef _TASK_H");
669 outtask.println("#define _TASK_H");
670 outtask.println("struct parameterdescriptor {");
671 outtask.println("int type;");
672 outtask.println("int numberterms;");
673 outtask.println("int *intarray;");
674 outtask.println("void * queue;");
675 outtask.println("int numbertags;");
676 outtask.println("int *tagarray;");
677 outtask.println("};");
679 outtask.println("struct taskdescriptor {");
680 outtask.println("void * taskptr;");
681 outtask.println("int numParameters;");
682 outtask.println(" int numTotal;");
683 outtask.println("struct parameterdescriptor **descriptorarray;");
684 outtask.println("char * name;");
685 outtask.println("};");
686 outtask.println("extern struct taskdescriptor * taskarray[];");
687 outtask.println("extern numtasks;");
688 outtask.println("#endif");
692 protected void buildRepairStructs(PrintWriter outrepairstructs) {
693 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
694 while(classit.hasNext()) {
695 ClassDescriptor cn=(ClassDescriptor)classit.next();
696 outrepairstructs.println("structure "+cn.getSymbol()+" {");
697 outrepairstructs.println(" int __type__;");
699 outrepairstructs.println(" int __flag__;");
700 if(!state.MULTICORE) {
701 outrepairstructs.println(" int __flagptr__;");
704 printRepairStruct(cn, outrepairstructs);
705 outrepairstructs.println("}\n");
708 for(int i=0; i<state.numArrays(); i++) {
709 TypeDescriptor tdarray=arraytable[i];
710 TypeDescriptor tdelement=tdarray.dereference();
711 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
712 outrepairstructs.println(" int __type__;");
713 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
714 outrepairstructs.println(" int length;");
715 outrepairstructs.println("}\n");
719 protected void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
720 ClassDescriptor sp=cn.getSuperDesc();
722 printRepairStruct(sp, output);
724 Vector fields=(Vector)fieldorder.get(cn);
726 for(int i=0; i<fields.size(); i++) {
727 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
728 if (fd.getType().isArray()) {
729 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
730 } else if (fd.getType().isClass())
731 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
732 else if (fd.getType().isFloat())
733 output.println(" int "+fd.getSymbol()+"; /* really float */");
735 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
739 /** This method outputs TaskDescriptor information */
740 protected void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
741 for (int i=0; i<task.numParameters(); i++) {
742 VarDescriptor param_var=task.getParameter(i);
743 TypeDescriptor param_type=task.getParamType(i);
744 FlagExpressionNode param_flag=task.getFlag(param_var);
745 TagExpressionList param_tag=task.getTag(param_var);
748 if (param_flag==null) {
749 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
750 output.println("0x0, 0x0 };");
753 DNFFlag dflag=param_flag.getDNF();
754 dnfterms=dflag.size();
756 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
757 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
758 for(int j=0; j<dflag.size(); j++) {
761 Vector term=dflag.get(j);
764 for(int k=0; k<term.size(); k++) {
765 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
766 FlagDescriptor fd=dfa.getFlag();
767 boolean negated=dfa.getNegated();
768 int flagid=1<<((Integer)flags.get(fd)).intValue();
773 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
775 output.println("};");
778 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
780 for(int j=0; j<param_tag.numTags(); j++) {
783 /* for each tag we need */
784 /* which slot it is */
785 /* what type it is */
786 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
787 TempDescriptor tmp=param_tag.getTemp(j);
788 int slot=fm.getTagInt(tmp);
789 output.println(slot+", "+state.getTagId(tvd.getTag()));
791 output.println("};");
793 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
794 output.println("/* type */"+param_type.getClassDesc().getId()+",");
795 output.println("/* number of DNF terms */"+dnfterms+",");
796 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
797 output.println("0,");
799 output.println("/* number of tags */"+param_tag.numTags()+",");
801 output.println("/* number of tags */ 0,");
802 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
803 output.println("};");
807 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
808 for (int i=0; i<task.numParameters(); i++) {
811 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
813 output.println("};");
815 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
816 output.println("&"+task.getSafeSymbol()+",");
817 output.println("/* number of parameters */" +task.numParameters() + ",");
818 int numtotal=task.numParameters()+fm.numTags();
819 output.println("/* number total parameters */" +numtotal + ",");
820 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
821 output.println("\""+task.getSymbol()+"\"");
822 output.println("};");
826 /** The buildVirtualTables method outputs the virtual dispatch
827 * tables for methods. */
829 protected void buildVirtualTables(PrintWriter outvirtual) {
830 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
831 while(classit.hasNext()) {
832 ClassDescriptor cd=(ClassDescriptor)classit.next();
833 if (virtualcalls.getMethodCount(cd)>maxcount)
834 maxcount=virtualcalls.getMethodCount(cd);
836 MethodDescriptor[][] virtualtable=null;
837 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
839 /* Fill in virtual table */
840 classit=state.getClassSymbolTable().getDescriptorsIterator();
841 while(classit.hasNext()) {
842 ClassDescriptor cd=(ClassDescriptor)classit.next();
843 if(cd.isInterface()) {
846 fillinRow(cd, virtualtable, cd.getId());
849 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
850 Iterator arrayit=state.getArrayIterator();
851 while(arrayit.hasNext()) {
852 TypeDescriptor td=(TypeDescriptor)arrayit.next();
853 int id=state.getArrayNumber(td);
854 fillinRow(objectcd, virtualtable, id+state.numClasses());
857 outvirtual.print("void * virtualtable[]={");
858 boolean needcomma=false;
859 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
860 for(int j=0; j<maxcount; j++) {
862 outvirtual.print(", ");
863 if (virtualtable[i][j]!=null) {
864 MethodDescriptor md=virtualtable[i][j];
865 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
867 outvirtual.print("0");
871 outvirtual.println("");
873 outvirtual.println("};");
877 protected void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
878 /* Get inherited methods */
879 Iterator it_sifs = cd.getSuperInterfaces();
880 while(it_sifs.hasNext()) {
881 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
882 fillinRow(superif, virtualtable, rownum);
884 if (cd.getSuperDesc()!=null)
885 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
886 /* Override them with our methods */
887 for(Iterator it=cd.getMethods(); it.hasNext(); ) {
888 MethodDescriptor md=(MethodDescriptor)it.next();
889 if (md.isStatic()||md.getReturnType()==null)
892 if (!callgraph.isCallable(md)) {
896 int methodnum = virtualcalls.getMethodNumber(md);
897 virtualtable[rownum][methodnum]=md;
901 /** Generate array that contains the sizes of class objects. The
902 * object allocation functions in the runtime use this
905 protected void generateSizeArray(PrintWriter outclassdefs) {
906 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
907 generateSizeArrayExtensions(outclassdefs);
909 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
910 cdarray=new ClassDescriptor[state.numClasses()];
911 ifarray = new ClassDescriptor[state.numInterfaces()];
914 while(it.hasNext()) {
915 ClassDescriptor cd=(ClassDescriptor)it.next();
916 if(cd.isInterface()) {
917 ifarray[cd.getId()] = cd;
919 cdarray[cd.getId()] = cd;
923 arraytable=new TypeDescriptor[state.numArrays()];
925 Iterator arrayit=state.getArrayIterator();
926 while(arrayit.hasNext()) {
927 TypeDescriptor td=(TypeDescriptor)arrayit.next();
928 int id=state.getArrayNumber(td);
932 /* Print out types */
933 outclassdefs.println("/* ");
934 for(int i=0; i<state.numClasses(); i++) {
935 ClassDescriptor cd=cdarray[i];
937 outclassdefs.println("NULL " + i);
939 outclassdefs.println(cd +" "+i);
943 for(int i=0; i<state.numArrays(); i++) {
944 TypeDescriptor arraytd=arraytable[i];
945 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
948 for(int i=0; i<state.numInterfaces(); i++) {
949 ClassDescriptor ifcd = ifarray[i];
950 outclassdefs.println(ifcd +" "+(i+state.numClasses()+state.numArrays()));
953 outclassdefs.println("*/");
956 outclassdefs.print("int classsize[]={");
958 boolean needcomma=false;
959 for(int i=0; i<state.numClasses(); i++) {
961 outclassdefs.print(", ");
963 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
965 outclassdefs.print("0");
971 for(int i=0; i<state.numArrays(); i++) {
973 outclassdefs.print(", ");
974 TypeDescriptor tdelement=arraytable[i].dereference();
975 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
976 outclassdefs.print("sizeof(void *)");
978 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
982 for(int i=0; i<state.numInterfaces(); i++) {
984 outclassdefs.print(", ");
985 outclassdefs.print("sizeof(struct "+ifarray[i].getSafeSymbol()+")");
989 outclassdefs.println("};");
991 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
993 outclassdefs.print("int typearray[]={");
994 for(int i=0; i<state.numClasses(); i++) {
995 ClassDescriptor cd=cdarray[i];
996 ClassDescriptor supercd=i>0 ? cd.getSuperDesc() : null;
997 if(supercd != null && supercd.isInterface()) {
998 throw new Error("Super class can not be interfaces");
1001 outclassdefs.print(", ");
1003 outclassdefs.print("-1");
1005 outclassdefs.print(supercd.getId());
1009 for(int i=0; i<state.numArrays(); i++) {
1010 TypeDescriptor arraytd=arraytable[i];
1011 ClassDescriptor arraycd=arraytd.getClassDesc();
1012 if (arraycd==null) {
1014 outclassdefs.print(", ");
1015 outclassdefs.print(objectclass.getId());
1019 ClassDescriptor cd=arraycd.getSuperDesc();
1022 TypeDescriptor supertd=new TypeDescriptor(cd);
1023 supertd.setArrayCount(arraytd.getArrayCount());
1024 type=state.getArrayNumber(supertd);
1026 type+=state.numClasses();
1029 cd=cd.getSuperDesc();
1032 outclassdefs.print(", ");
1033 outclassdefs.print(type);
1037 for(int i=0; i<state.numInterfaces(); i++) {
1038 ClassDescriptor cd=ifarray[i];
1039 ClassDescriptor supercd=cd.getSuperDesc();
1040 if(supercd != null && supercd.isInterface()) {
1041 throw new Error("Super class can not be interfaces");
1044 outclassdefs.print(", ");
1046 outclassdefs.print("-1");
1048 outclassdefs.print(supercd.getId());
1052 outclassdefs.println("};");
1057 outclassdefs.print("int typearray2[]={");
1058 for(int i=0; i<state.numArrays(); i++) {
1059 TypeDescriptor arraytd=arraytable[i];
1060 ClassDescriptor arraycd=arraytd.getClassDesc();
1061 if (arraycd==null) {
1063 outclassdefs.print(", ");
1064 outclassdefs.print("-1");
1068 ClassDescriptor cd=arraycd.getSuperDesc();
1069 int level=arraytd.getArrayCount()-1;
1071 for(; level>0; level--) {
1072 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1073 supertd.setArrayCount(level);
1074 type=state.getArrayNumber(supertd);
1076 type+=state.numClasses();
1081 outclassdefs.print(", ");
1082 outclassdefs.print(type);
1086 outclassdefs.println("};");
1089 /** Constructs params and temp objects for each method or task.
1090 * These objects tell the compiler which temps need to be
1093 protected void generateTempStructs(FlatMethod fm) {
1094 MethodDescriptor md=fm.getMethod();
1095 TaskDescriptor task=fm.getTask();
1096 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
1098 paramstable.put(md, objectparams);
1100 paramstable.put(task, objectparams);
1102 for(int i=0; i<fm.numParameters(); i++) {
1103 TempDescriptor temp=fm.getParameter(i);
1104 TypeDescriptor type=temp.getType();
1105 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1106 objectparams.addPtr(temp);
1108 objectparams.addPrim(temp);
1111 for(int i=0; i<fm.numTags(); i++) {
1112 TempDescriptor temp=fm.getTag(i);
1113 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1114 objectparams.addPtr(temp);
1116 objectparams.addPrim(temp);
1119 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1121 tempstable.put(md, objecttemps);
1123 tempstable.put(task, objecttemps);
1125 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
1126 FlatNode fn=(FlatNode)nodeit.next();
1127 TempDescriptor[] writes=fn.writesTemps();
1128 for(int i=0; i<writes.length; i++) {
1129 TempDescriptor temp=writes[i];
1130 TypeDescriptor type=temp.getType();
1131 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1132 objecttemps.addPtr(temp);
1134 objecttemps.addPrim(temp);
1139 /** This method outputs the following information about classes
1141 * (1) For classes, what are the locations of pointers.
1142 * (2) For arrays, does the array contain pointers or primitives.
1143 * (3) For classes, does the class contain flags.
1146 protected void generateLayoutStructs(PrintWriter output) {
1147 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1148 while(it.hasNext()) {
1149 ClassDescriptor cn=(ClassDescriptor)it.next();
1150 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1151 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1153 while(allit.hasNext()) {
1154 FieldDescriptor fd=(FieldDescriptor)allit.next();
1158 TypeDescriptor type=fd.getType();
1162 output.print(count);
1163 allit=cn.getFieldTable().getAllDescriptorsIterator();
1164 while(allit.hasNext()) {
1165 FieldDescriptor fd=(FieldDescriptor)allit.next();
1169 TypeDescriptor type=fd.getType();
1171 output.println(",");
1172 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1173 fd.getSafeSymbol()+"))");
1176 output.println("};");
1179 output.println("unsigned INTPTR * pointerarray[]={");
1180 boolean needcomma=false;
1181 for(int i=0; i<state.numClasses(); i++) {
1182 ClassDescriptor cn=cdarray[i];
1184 output.println(",");
1187 output.print(cn.getSafeSymbol()+"_pointers");
1189 output.print("NULL");
1193 for(int i=0; i<state.numArrays(); i++) {
1195 output.println(", ");
1196 TypeDescriptor tdelement=arraytable[i].dereference();
1197 if (tdelement.isArray()||tdelement.isClass())
1198 output.print("((unsigned INTPTR *)1)");
1204 output.println("};");
1206 output.println("int hasflags[]={");
1207 for(int i=0; i<state.numClasses(); i++) {
1208 ClassDescriptor cn=cdarray[i];
1210 output.println(", ");
1212 if ((cn != null) && (cn.hasFlags()))
1217 output.println("};");
1220 private int checkarraysupertype(ClassDescriptor arraycd, TypeDescriptor arraytd) {
1223 TypeDescriptor supertd=new TypeDescriptor(arraycd);
1224 supertd.setArrayCount(arraytd.getArrayCount());
1225 type=state.getArrayNumber(supertd);
1230 ClassDescriptor cd = arraycd.getSuperDesc();
1232 type = checkarraysupertype(cd, arraytd);
1238 Iterator it_sifs = arraycd.getSuperInterfaces();
1239 while(it_sifs.hasNext()) {
1240 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1241 type = checkarraysupertype(ifcd, arraytd);
1251 /** Print out table to give us supertypes */
1252 protected void generateSuperTypeTable(PrintWriter output) {
1253 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1254 for(int i=0; i<state.numClasses(); i++) {
1255 ClassDescriptor cn=cdarray[i];
1259 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1260 boolean ncomma = false;
1262 if((cn != null) && (cn.getSuperDesc() != null)) {
1265 Iterator it_sifs = cn != null? cn.getSuperInterfaces() : null;
1266 while(it_sifs != null && it_sifs.hasNext()) {
1272 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1276 ClassDescriptor cdsuper=cn.getSuperDesc();
1277 output.print(cdsuper.getId());
1279 it_sifs = cn != null? cn.getSuperInterfaces() : null;
1280 while(it_sifs != null && it_sifs.hasNext()) {
1284 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1287 output.println("};");
1290 for(int i=0; i<state.numArrays(); i++) {
1291 TypeDescriptor arraytd=arraytable[i];
1292 ClassDescriptor arraycd=arraytd.getClassDesc();
1293 output.print("int supertypes___arraytype___" + (i+state.numClasses()) + "[] = {");
1294 boolean ncomma = false;
1296 if (arraycd==null) {
1300 output.print(objectclass.getId());
1301 output.println("};");
1304 if((arraycd != null) && (arraycd.getSuperDesc() != null)) {
1307 Iterator it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1308 while(it_sifs != null && it_sifs.hasNext()) {
1314 if ((arraycd != null) && (arraycd.getSuperDesc()!=null)) {
1315 ClassDescriptor cd=arraycd.getSuperDesc();
1318 type = checkarraysupertype(cd, arraytd);
1320 type += state.numClasses();
1327 it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1328 while(it_sifs != null && it_sifs.hasNext()) {
1329 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1330 int type = checkarraysupertype(ifcd , arraytd);
1332 type += state.numClasses();
1338 output.println("};");
1341 for(int i=0; i<state.numInterfaces(); i++) {
1342 ClassDescriptor cn=ifarray[i];
1346 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1347 boolean ncomma = false;
1349 if((cn != null) && (cn.getSuperDesc() != null)) {
1352 Iterator it_sifs = cn != null? cn.getSuperInterfaces() : null;
1353 while(it_sifs != null && it_sifs.hasNext()) {
1359 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1363 ClassDescriptor cdsuper=cn.getSuperDesc();
1364 output.print(cdsuper.getId());
1366 it_sifs = cn != null? cn.getSuperInterfaces() : null;
1367 while(it_sifs != null && it_sifs.hasNext()) {
1371 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1374 output.println("};");
1377 output.println("int* supertypes[]={");
1378 boolean needcomma=false;
1379 for(int i=0; i<state.numClasses(); i++) {
1380 ClassDescriptor cn=cdarray[i];
1382 output.println(",");
1385 output.print("supertypes" + cn.getSafeSymbol());
1391 for(int i=0; i<state.numArrays(); i++) {
1393 output.println(",");
1395 output.print("supertypes___arraytype___" + (i+state.numClasses()));
1398 for(int i=0; i<state.numInterfaces(); i++) {
1399 ClassDescriptor cn=ifarray[i];
1401 output.println(",");
1403 output.print("supertypes" + cn.getSafeSymbol());
1405 output.println("};");
1408 /** Force consistent field ordering between inherited classes. */
1410 protected void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1412 ClassDescriptor sp=cn.getSuperDesc();
1414 printClassStruct(sp, classdefout, /*globaldefout*/ null, null);
1416 SymbolTable sitbl = cn.getSuperInterfaceTable();
1417 Iterator it_sifs = sitbl.getDescriptorsIterator();
1418 while(it_sifs.hasNext()) {
1419 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1420 printClassStruct(si, classdefout, /*globaldefout*/ null, null);
1423 if (!fieldorder.containsKey(cn)) {
1424 Vector fields=new Vector();
1425 fieldorder.put(cn,fields);
1427 Vector fieldvec=cn.getFieldVec();
1428 for(int i=0; i<fieldvec.size(); i++) {
1429 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1430 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1433 it_sifs = sitbl.getDescriptorsIterator();
1434 boolean hasprinted = false;
1435 while(it_sifs.hasNext()) {
1436 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1437 if(si.getFieldTable().contains(fd.getSymbol())) {
1443 // this field has been defined in the super class
1450 //Vector fields=(Vector)fieldorder.get(cn);
1452 Vector fields = cn.getFieldVec();
1454 for(int i=0; i<fields.size(); i++) {
1455 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1456 String fstring = fd.getSafeSymbol();
1457 if(printedfieldstbl.containsKey(fstring)) {
1458 printedfieldstbl.put(fstring, cn);
1461 printedfieldstbl.put(fstring, cn);
1463 if (fd.getType().isClass()
1464 && fd.getType().getClassDesc().isEnum()) {
1465 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1466 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1467 if (fd.isStatic()) {
1468 // TODO add version for normal Java later
1470 if(globaldefout != null) {
1471 if(fd.isVolatile()) {
1472 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1474 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1478 } else if (fd.isVolatile()) {
1480 classdefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1482 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1484 } else if (fd.isStatic()) {
1485 // TODO add version for normal Java later
1487 if(globaldefout != null) {
1488 if(fd.isVolatile()) {
1489 globaldefprimout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1491 globaldefprimout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1494 } else if (fd.isVolatile()) {
1496 classdefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1498 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1503 /* Map flags to integers consistently between inherited
1506 protected void mapFlags(ClassDescriptor cn) {
1507 ClassDescriptor sp=cn.getSuperDesc();
1511 if (!flagorder.containsKey(cn)) {
1512 Hashtable flags=new Hashtable();
1513 flagorder.put(cn,flags);
1515 Hashtable superflags=(Hashtable)flagorder.get(sp);
1516 Iterator superflagit=superflags.keySet().iterator();
1517 while(superflagit.hasNext()) {
1518 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1519 Integer number=(Integer)superflags.get(fd);
1520 flags.put(fd, number);
1521 if ((number.intValue()+1)>max)
1522 max=number.intValue()+1;
1526 Iterator flagit=cn.getFlags();
1527 while(flagit.hasNext()) {
1528 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1529 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1530 flags.put(fd, new Integer(max++));
1536 /** This function outputs (1) structures that parameters are
1537 * passed in (when PRECISE GC is enabled) and (2) function
1538 * prototypes for the methods */
1540 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1541 /* Output class structure */
1542 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1543 classdefout.println(" int type;");
1546 additionalClassObjectFields(classdefout);
1549 if (state.EVENTMONITOR) {
1550 classdefout.println(" int objuid;");
1553 classdefout.println(" pthread_t tid;");
1554 classdefout.println(" volatile int lockcount;");
1555 classdefout.println(" volatile int notifycount;");
1558 classdefout.println(" int mutex;");
1559 classdefout.println(" volatile int notifycount;");
1560 classdefout.println(" volatile int objlock;");
1561 if(state.MULTICOREGC) {
1562 classdefout.println(" int marked;");
1566 classdefout.println(" int flag;");
1567 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1568 classdefout.println(" void * flagptr;");
1569 } else if (state.MULTICORE) {
1570 classdefout.println(" int version;");
1571 classdefout.println(" int * lock;"); // lock entry for this obj
1572 classdefout.println(" int mutex;");
1573 classdefout.println(" int lockcount;");
1574 if(state.MULTICOREGC) {
1575 classdefout.println(" int marked;");
1578 if (state.OPTIONAL) {
1579 classdefout.println(" int numfses;");
1580 classdefout.println(" int * fses;");
1583 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1584 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1585 classdefout.println("};\n");
1586 generateCallStructsMethods(cn, output, headersout);
1590 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1591 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1592 MethodDescriptor md=(MethodDescriptor)methodit.next();
1594 if (!callgraph.isCallable(md)) {
1598 generateMethod(cn, md, headersout, output);
1602 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1603 /* Output parameter structure */
1604 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1605 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1606 // generate the staticinit version
1607 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1609 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1610 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1611 output.println(" int size;");
1612 output.println(" void * next;");
1613 for(int i=0; i<objectparams.numPointers(); i++) {
1614 TempDescriptor temp=objectparams.getPointer(i);
1615 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1616 output.println(" int " + temp.getSafeSymbol() + ";");
1618 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1621 output.println("};\n");
1624 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1625 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1626 output.println(" int size;");
1627 output.println(" void * next;");
1628 for(int i=0; i<objectparams.numPointers(); i++) {
1629 TempDescriptor temp=objectparams.getPointer(i);
1630 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1631 output.println(" int " + temp.getSafeSymbol() + ";");
1633 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1636 output.println("};\n");
1640 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1641 FlatMethod fm=state.getMethodFlat(md);
1642 generateTempStructs(fm);
1644 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1645 TempObject objecttemps=(TempObject) tempstable.get(md);
1647 boolean printcomma = false;
1649 generateMethodParam(cn, md, output);
1651 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1652 // generate the staticinit version
1653 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1655 /* Output temp structure */
1656 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1657 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1658 output.println(" int size;");
1659 output.println(" void * next;");
1660 for(int i=0; i<objecttemps.numPointers(); i++) {
1661 TempDescriptor temp=objecttemps.getPointer(i);
1662 if (!temp.getType().isArray() && temp.getType().isNull())
1663 output.println(" void * "+temp.getSafeSymbol()+";");
1665 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1667 output.println("};\n");
1670 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1671 /* First the return type */
1672 if (md.getReturnType()!=null) {
1673 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1674 headersout.println(" int ");
1675 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1676 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1678 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1680 //catch the constructor case
1681 headersout.print("void ");
1683 /* Next the method name */
1684 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1686 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1687 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1691 /* Output parameter list*/
1692 for(int i=0; i<objectparams.numPrimitives(); i++) {
1693 TempDescriptor temp=objectparams.getPrimitive(i);
1695 headersout.print(", ");
1697 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1698 headersout.print("int " + temp.getSafeSymbol());
1699 } else if (temp.getType().isClass()||temp.getType().isArray())
1700 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1702 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1704 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1705 headersout.print(", int linenum");
1707 headersout.println(");\n");
1710 /* Output temp structure */
1711 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1712 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1713 output.println(" int size;");
1714 output.println(" void * next;");
1715 for(int i=0; i<objecttemps.numPointers(); i++) {
1716 TempDescriptor temp=objecttemps.getPointer(i);
1717 if (!temp.getType().isArray() && temp.getType().isNull())
1718 output.println(" void * "+temp.getSafeSymbol()+";");
1720 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1722 output.println("};\n");
1725 /********* Output method declaration ***********/
1726 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1727 /* First the return type */
1728 if (md.getReturnType()!=null) {
1729 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1730 headersout.println(" int ");
1731 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1732 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1734 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1736 //catch the constructor case
1737 headersout.print("void ");
1739 /* Next the method name */
1740 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1742 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1743 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1747 /* Output parameter list*/
1748 for(int i=0; i<objectparams.numPrimitives(); i++) {
1749 TempDescriptor temp=objectparams.getPrimitive(i);
1751 headersout.print(", ");
1753 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1754 headersout.print("int " + temp.getSafeSymbol());
1755 } else if (temp.getType().isClass()||temp.getType().isArray())
1756 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1758 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1760 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1761 headersout.print(", int linenum");
1763 headersout.println(");\n");
1767 /** This function outputs (1) structures that parameters are
1768 * passed in (when PRECISE GC is enabled) and (2) function
1769 * prototypes for the tasks */
1771 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1772 /* Cycle through tasks */
1773 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1775 while(taskit.hasNext()) {
1776 /* Classify parameters */
1777 TaskDescriptor task=(TaskDescriptor)taskit.next();
1778 FlatMethod fm=state.getMethodFlat(task);
1779 generateTempStructs(fm);
1781 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1782 TempObject objecttemps=(TempObject) tempstable.get(task);
1784 /* Output parameter structure */
1785 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1786 output.println("struct "+task.getSafeSymbol()+"_params {");
1787 output.println(" int size;");
1788 output.println(" void * next;");
1789 for(int i=0; i<objectparams.numPointers(); i++) {
1790 TempDescriptor temp=objectparams.getPointer(i);
1791 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1794 output.println("};\n");
1795 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1796 maxtaskparams=objectparams.numPointers()+fm.numTags();
1800 /* Output temp structure */
1801 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1802 output.println("struct "+task.getSafeSymbol()+"_locals {");
1803 output.println(" int size;");
1804 output.println(" void * next;");
1805 for(int i=0; i<objecttemps.numPointers(); i++) {
1806 TempDescriptor temp=objecttemps.getPointer(i);
1807 if (!temp.getType().isArray() && temp.getType().isNull())
1808 output.println(" void * "+temp.getSafeSymbol()+";");
1809 else if(temp.getType().isTag())
1810 output.println(" struct "+
1811 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1813 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1815 output.println("};\n");
1818 /* Output task declaration */
1819 headersout.print("void " + task.getSafeSymbol()+"(");
1821 boolean printcomma=false;
1822 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1823 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1825 headersout.print("void * parameterarray[]");
1826 headersout.println(");\n");
1830 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
1831 if (State.PRINTFLAT)
1832 System.out.println(fm.printMethod());
1833 MethodDescriptor md=fm.getMethod();
1834 TaskDescriptor task=fm.getTask();
1835 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1836 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null ? md : task);
1838 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1839 // generate a special static init version
1840 mgcstaticinit = true;
1841 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1843 generateHeader(fm, md!=null ? md : task,output);
1844 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1846 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1847 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
1848 output.print(objecttemp.numPointers()+",");
1849 output.print(paramsprefix);
1850 for(int j=0; j<objecttemp.numPointers(); j++)
1851 output.print(", NULL");
1852 output.println("};");
1855 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1856 TempDescriptor td=objecttemp.getPrimitive(i);
1857 TypeDescriptor type=td.getType();
1858 if (type.isNull() && !type.isArray())
1859 output.println(" void * "+td.getSafeSymbol()+";");
1860 else if (type.isClass() && type.getClassDesc().isEnum()) {
1861 output.println(" int " + td.getSafeSymbol() + ";");
1862 } else if (type.isClass()||type.isArray())
1863 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1865 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1868 additionalCodeAtTopFlatMethodBody(output, fm);
1870 /* Check to see if we need to do a GC if this is a
1871 * multi-threaded program...*/
1873 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
1874 || this.state.MULTICOREGC) {
1875 //Don't bother if we aren't in recursive methods...The loops case will catch it
1876 if (callgraph.getAllMethods(md).contains(md)) {
1877 if (this.state.MULTICOREGC) {
1878 output.println("if(gcflag) gc("+localsprefixaddr+");");
1880 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1885 generateCode(fm.getNext(0), fm, null, output);
1887 output.println("}\n\n");
1889 mgcstaticinit = false;
1892 generateHeader(fm, md!=null ? md : task,output);
1893 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1895 if((md != null) && (md.isStaticBlock())) {
1896 mgcstaticinit = true;
1899 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1901 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1903 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1904 output.print(objecttemp.numPointers()+",");
1905 output.print(paramsprefix);
1906 for(int j=0; j<objecttemp.numPointers(); j++)
1907 output.print(", NULL");
1908 output.println("};");
1911 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1912 TempDescriptor td=objecttemp.getPrimitive(i);
1913 TypeDescriptor type=td.getType();
1914 if (type.isNull() && !type.isArray())
1915 output.println(" void * "+td.getSafeSymbol()+";");
1916 else if (type.isClass() && type.getClassDesc().isEnum()) {
1917 output.println(" int " + td.getSafeSymbol() + ";");
1918 } else if (type.isClass()||type.isArray())
1919 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1921 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1924 additionalCodeAtTopFlatMethodBody(output, fm);
1926 /* Check to see if we need to do a GC if this is a
1927 * multi-threaded program...*/
1929 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
1930 || this.state.MULTICOREGC) {
1931 //Don't bother if we aren't in recursive methods...The loops case will catch it
1932 if (callgraph.getAllMethods(md).contains(md)) {
1933 if (this.state.MULTICOREGC) {
1934 output.println("if(gcflag) gc("+localsprefixaddr+");");
1936 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1941 if(fm.getMethod().isStaticBlock()) {
1942 // a static block, check if it has been executed
1943 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
1944 output.println(" return;");
1945 output.println(" }");
1949 generateCode(fm.getNext(0), fm, null, output);
1951 output.println("}\n\n");
1953 mgcstaticinit = false;
1956 protected void generateCode(FlatNode first,
1958 Set<FlatNode> stopset,
1959 PrintWriter output) {
1961 /* Assign labels to FlatNode's if necessary.*/
1963 Hashtable<FlatNode, Integer> nodetolabel;
1965 nodetolabel=assignLabels(first, stopset);
1967 Set<FlatNode> storeset=null;
1968 HashSet<FlatNode> genset=null;
1969 HashSet<FlatNode> refset=null;
1970 Set<FlatNode> unionset=null;
1972 /* Do the actual code generation */
1973 FlatNode current_node=null;
1974 HashSet tovisit=new HashSet();
1975 HashSet visited=new HashSet();
1977 while(current_node!=null||!tovisit.isEmpty()) {
1978 if (current_node==null) {
1979 current_node=(FlatNode)tovisit.iterator().next();
1980 tovisit.remove(current_node);
1981 } else if (tovisit.contains(current_node)) {
1982 tovisit.remove(current_node);
1984 visited.add(current_node);
1985 if (nodetolabel.containsKey(current_node)) {
1986 output.println("L"+nodetolabel.get(current_node)+":");
1988 if (state.INSTRUCTIONFAILURE) {
1990 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1992 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1994 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
1996 generateFlatNode(fm, current_node, output);
1998 if (state.OOOJAVA && stopset!=null) {
1999 assert first.getPrev(0) instanceof FlatSESEEnterNode;
2000 assert current_node instanceof FlatSESEExitNode;
2001 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
2002 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2003 assert fsen.getFlatExit().equals(fsxn);
2004 assert fsxn.getFlatEnter().equals(fsen);
2006 if (current_node.kind()!=FKind.FlatReturnNode) {
2007 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2008 // a static block, check if it has been executed
2009 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2012 output.println(" return;");
2015 } else if(current_node.numNext()==1) {
2017 if (state.OOOJAVA &&
2018 current_node.kind()==FKind.FlatSESEEnterNode) {
2019 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2020 generateFlatNode(fm, current_node, output);
2021 nextnode=fsen.getFlatExit().getNext(0);
2024 generateFlatNode(fm, current_node, output);
2025 nextnode=current_node.getNext(0);
2027 if (visited.contains(nextnode)) {
2028 output.println("goto L"+nodetolabel.get(nextnode)+";");
2031 current_node=nextnode;
2032 } else if (current_node.numNext()==2) {
2035 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2036 if (!visited.contains(current_node.getNext(1)))
2037 tovisit.add(current_node.getNext(1));
2038 if (visited.contains(current_node.getNext(0))) {
2039 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2042 current_node=current_node.getNext(0);
2043 } else throw new Error();
2047 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2048 HashSet tovisit=new HashSet();
2049 HashSet visited=new HashSet();
2051 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2054 /*Assign labels first. A node needs a label if the previous
2055 * node has two exits or this node is a join point. */
2057 while(!tovisit.isEmpty()) {
2058 FlatNode fn=(FlatNode)tovisit.iterator().next();
2063 if(lastset!=null&&lastset.contains(fn)) {
2064 // if last is not null and matches, don't go
2065 // any further for assigning labels
2069 for(int i=0; i<fn.numNext(); i++) {
2070 FlatNode nn=fn.getNext(i);
2073 //1) Edge >1 of node
2074 nodetolabel.put(nn,new Integer(labelindex++));
2076 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2080 nodetolabel.put(nn,new Integer(labelindex++));
2087 /** Generate text string that corresponds to the TempDescriptor td. */
2088 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2089 MethodDescriptor md=fm.getMethod();
2090 TaskDescriptor task=fm.getTask();
2091 TempObject objecttemps=(TempObject) tempstable.get(md!=null ? md : task);
2093 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2094 return td.getSafeSymbol();
2097 if (objecttemps.isLocalPtr(td)) {
2098 return localsprefixderef+td.getSafeSymbol();
2101 if (objecttemps.isParamPtr(td)) {
2102 return paramsprefix+"->"+td.getSafeSymbol();
2110 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2111 if(state.LINENUM) printSourceLineNumber(fm,fn,output);
2112 additionalCodePreNode(fm, fn, output);
2115 case FKind.FlatAtomicEnterNode:
2116 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2119 case FKind.FlatAtomicExitNode:
2120 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2123 case FKind.FlatInstanceOfNode:
2124 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2127 case FKind.FlatSESEEnterNode:
2128 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2131 case FKind.FlatSESEExitNode:
2132 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2135 case FKind.FlatWriteDynamicVarNode:
2136 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2139 case FKind.FlatGlobalConvNode:
2140 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2143 case FKind.FlatTagDeclaration:
2144 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2147 case FKind.FlatCall:
2148 generateFlatCall(fm, (FlatCall) fn,output);
2151 case FKind.FlatFieldNode:
2152 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2155 case FKind.FlatElementNode:
2156 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2159 case FKind.FlatSetElementNode:
2160 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2163 case FKind.FlatSetFieldNode:
2164 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2168 generateFlatNew(fm, (FlatNew) fn,output);
2171 case FKind.FlatOpNode:
2172 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2175 case FKind.FlatCastNode:
2176 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2179 case FKind.FlatLiteralNode:
2180 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2183 case FKind.FlatReturnNode:
2184 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2188 output.println("/* nop */");
2191 case FKind.FlatGenReachNode:
2192 // this node is just for generating a reach graph
2193 // in disjointness analysis at a particular program point
2196 case FKind.FlatExit:
2197 output.println("/* exit */");
2200 case FKind.FlatBackEdge:
2201 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2204 case FKind.FlatCheckNode:
2205 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2208 case FKind.FlatFlagActionNode:
2209 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2212 case FKind.FlatPrefetchNode:
2213 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2216 case FKind.FlatOffsetNode:
2217 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2224 additionalCodePostNode(fm, fn, output);
2227 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2228 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2229 || (this.state.MULTICOREGC)) {
2230 if(this.state.MULTICOREGC) {
2231 output.println("if (gcflag) gc("+localsprefixaddr+");");
2233 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2236 output.println("/* nop */");
2239 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2240 output.println("/* FlatOffsetNode */");
2241 FieldDescriptor fd=fofn.getField();
2242 if(!fd.isStatic()) {
2243 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2244 fd.getSafeSymbol()+");");
2246 output.println("/* offset */");
2249 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2252 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2255 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2258 if (fion.getType().isArray()) {
2259 type=state.getArrayNumber(fion.getType())+state.numClasses();
2260 } else if (fion.getType().getClassDesc().isInterface()) {
2261 type=fion.getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2263 type=fion.getType().getClassDesc().getId();
2265 if (fion.getSrc().getType().isArray()) {
2266 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2267 } else if (fion.getSrc().getType().getClassDesc().isInterface()) {
2268 otype=fion.getSrc().getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2270 otype=fion.getSrc().getType().getClassDesc().getId();
2273 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2274 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2276 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2280 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2283 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2286 public void generateFlatSESEEnterNode(FlatMethod fm,
2287 FlatSESEEnterNode fsen,
2288 PrintWriter output) {
2289 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2290 // just skip over them and code generates exactly the same
2293 public void generateFlatSESEExitNode(FlatMethod fm,
2294 FlatSESEExitNode fsexn,
2295 PrintWriter output) {
2296 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2297 // just skip over them and code generates exactly the same
2300 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2301 FlatWriteDynamicVarNode fwdvn,
2302 PrintWriter output) {
2306 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2307 if (state.CONSCHECK) {
2308 String specname=fcn.getSpec();
2309 String varname="repairstate___";
2310 output.println("{");
2311 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2313 TempDescriptor[] temps=fcn.getTemps();
2314 String[] vars=fcn.getVars();
2315 for(int i=0; i<temps.length; i++) {
2316 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2319 output.println("if (doanalysis"+specname+"("+varname+")) {");
2320 output.println("free"+specname+"_state("+varname+");");
2321 output.println("} else {");
2322 output.println("/* Bad invariant */");
2323 output.println("free"+specname+"_state("+varname+");");
2324 output.println("abort_task();");
2325 output.println("}");
2326 output.println("}");
2330 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2331 MethodDescriptor md=fc.getMethod();
2332 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2333 ClassDescriptor cn=md.getClassDesc();
2334 String mdstring = md.getSafeMethodDescriptor();
2335 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2336 mdstring += "staticinit";
2339 // if the called method is a static block or a static method or a constructor
2340 // need to check if it can be invoked inside some static block
2341 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2342 ((fm.getMethod() != null) && ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())))) {
2343 if(!md.isInvokedByStatic()) {
2344 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2346 // is a static block or is invoked in some static block
2347 ClassDescriptor cd = fm.getMethod().getClassDesc();
2349 // the same class, do nothing
2350 } else if(mgcstaticinit) {
2351 // generate static init check code if it has not done static init in main()
2352 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2353 // need to check if the class' static fields have been initialized and/or
2354 // its static blocks have been executed
2355 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2356 if(cn.getNumStaticBlocks() != 0) {
2357 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2358 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2359 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2360 output.println("0, NULL};");
2361 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2363 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2366 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2368 output.println("}");
2372 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2373 output.println("{");
2374 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2375 output.println("int monitorenterline = __LINE__;");
2377 // call MonitorEnter/MonitorExit on a class obj
2378 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2379 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2380 output.println("1," + localsprefixaddr + ", global_defs_p->"+ fc.getThis().getType().getClassDesc().getSafeSymbol() +"classobj};");
2381 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2382 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__, monitorenterline);");
2384 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2387 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2388 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(global_defs_p->"
2389 + fc.getThis().getType().getClassDesc().getSafeSymbol() +"classobj));");
2391 output.println("}");
2395 output.println("{");
2396 if(md.getSymbol().equals("MonitorEnter")) {
2397 output.println("int monitorenterline = __LINE__;");
2399 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2400 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2401 output.print(objectparams.numPointers());
2402 output.print(", "+localsprefixaddr);
2403 if (md.getThis()!=null) {
2405 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2407 if (fc.getThis()!=null&&md.getThis()==null) {
2408 System.out.println("WARNING!!!!!!!!!!!!");
2409 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2413 for(int i=0; i<fc.numArgs(); i++) {
2414 Descriptor var=md.getParameter(i);
2415 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2416 if (objectparams.isParamPtr(paramtemp)) {
2417 TempDescriptor targ=fc.getArg(i);
2419 TypeDescriptor td=md.getParamType(i);
2421 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2423 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2426 output.println("};");
2431 if (fc.getReturnTemp()!=null)
2432 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2434 /* Do we need to do virtual dispatch? */
2435 if (!md.isStatic()&&md.getReturnType()!=null&&fc.getThis().getType().getClassDesc()==null) {
2436 System.out.println(fm);
2437 System.out.println(md);
2438 System.out.println(fc);
2439 System.out.println(fm.printMethod());
2442 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)||fc.getSuper()) {
2444 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2448 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2449 output.print("int ");
2450 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2451 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2453 output.print(md.getReturnType().getSafeSymbol()+" ");
2454 output.print("(*)(");
2456 boolean printcomma=false;
2457 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2458 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2462 for(int i=0; i<objectparams.numPrimitives(); i++) {
2463 TempDescriptor temp=objectparams.getPrimitive(i);
2467 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2468 output.print("int ");
2469 } else if (temp.getType().isClass()||temp.getType().isArray())
2470 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2472 output.print(temp.getType().getSafeSymbol());
2475 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2476 output.print(", int");
2478 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2482 boolean needcomma=false;
2483 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2484 output.print("&__parameterlist__");
2488 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2489 if (fc.getThis()!=null) {
2490 TypeDescriptor ptd=null;
2491 if(md.getThis() != null) {
2492 ptd = md.getThis().getType();
2494 ptd = fc.getThis().getType();
2498 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2500 } else if (ptd.isClass()&&!ptd.isArray())
2501 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2502 output.print(generateTemp(fm,fc.getThis()));
2507 for(int i=0; i<fc.numArgs(); i++) {
2508 Descriptor var=md.getParameter(i);
2509 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2510 if (objectparams.isParamPrim(paramtemp)) {
2511 TempDescriptor targ=fc.getArg(i);
2515 TypeDescriptor ptd=md.getParamType(i);
2516 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2518 } else if (ptd.isClass()&&!ptd.isArray())
2519 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2520 output.print(generateTemp(fm, targ));
2524 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2525 output.println(", monitorenterline);");
2527 output.println(");");
2529 output.println(" }");
2532 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2533 if(thiscd.isInterface()) {
2534 // for interfaces, always need virtual dispatch
2537 Set subclasses=typeutil.getSubClasses(thiscd);
2538 if (subclasses==null)
2540 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2541 ClassDescriptor cd=(ClassDescriptor)classit.next();
2542 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2543 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2544 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2545 if (md.matches(matchmd))
2553 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2555 if(ffn.getField().isStatic()) {
2557 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2558 // is a static block or is invoked in some static block
2559 ClassDescriptor cd = fm.getMethod().getClassDesc();
2560 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2562 // the same class, do nothing
2563 } else if(mgcstaticinit) {
2564 // generate the static init check code if has not done the static init in main()
2565 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2566 // need to check if the class' static fields have been initialized and/or
2567 // its static blocks have been executed
2568 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2569 if(cn.getNumStaticBlocks() != 0) {
2570 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2571 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2572 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2573 output.println("0, NULL};");
2574 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2576 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2579 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2581 output.println("}");
2585 // redirect to the global_defs_p structure
2586 if (ffn.getField().getType().isPtr())
2587 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2589 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2590 } else if (ffn.getField().isEnum()) {
2591 // an Enum value, directly replace the field access as int
2592 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2594 output.println("#ifdef MULTICORE_DEBUG");
2595 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2596 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2597 if(state.MULTICOREGC) {
2598 output.println("failednullptr(&___locals___);");
2600 output.println("failednullptr(NULL);");
2602 output.println("}");
2603 output.println("#endif //MULTICORE_DEBUG");
2604 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2609 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2610 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2611 throw new Error("Can't set array length");
2612 if (state.FASTCHECK) {
2613 String dst=generateTemp(fm, fsfn.getDst());
2614 output.println("if(!"+dst+"->"+localcopystr+") {");
2615 /* Link object into list */
2616 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2617 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2619 output.println("COPY_OBJ("+dst+");");
2620 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2621 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2622 output.println("}");
2625 if(fsfn.getField().isStatic()) {
2627 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2628 // is a static block or is invoked in some static block
2629 ClassDescriptor cd = fm.getMethod().getClassDesc();
2630 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2631 if(cd != cn && mgcstaticinit){
2632 // generate static init check code if has not done the static init in main()
2633 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2634 // need to check if the class' static fields have been initialized and/or
2635 // its static blocks have been executed
2636 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2637 if(cn.getNumStaticBlocks() != 0) {
2638 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2639 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2640 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2641 output.println("0, NULL};");
2642 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2644 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2647 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2649 output.println("}");
2653 // redirect to the global_defs_p structure
2654 if (fsfn.getField().getType().isPtr()) {
2655 if (fsfn.getField().getType()!=fsfn.getSrc().getType())
2656 output.println("global_defs_p->" +
2657 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2659 output.println("global_defs_p->" +
2660 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2662 output.println("global_defsprim_p->" +
2663 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2665 output.println("#ifdef MULTICORE_DEBUG");
2666 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2667 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2668 if(state.MULTICOREGC) {
2669 output.println("failednullptr(&___locals___);");
2671 output.println("failednullptr(NULL);");
2673 output.println("}");
2674 output.println("#endif //MULTICORE_DEBUG");
2675 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2676 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2677 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2679 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2680 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2685 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2686 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2689 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2691 } else if (elementtype.isArray()||elementtype.isClass())
2694 type=elementtype.getSafeSymbol()+" ";
2696 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2697 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
2698 output.println("failedboundschk(" + (boundschknum++) + ");");
2700 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
2703 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
2704 //TODO: need dynamic check to make sure this assignment is actually legal
2705 //Because Object[] could actually be something more specific...ie. Integer[]
2707 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2710 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2712 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
2715 type=elementtype.getSafeSymbol()+" ";
2717 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2718 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
2719 output.println("failedboundschk(" + (boundschknum++) + ");");
2721 if (state.FASTCHECK) {
2722 String dst=generateTemp(fm, fsen.getDst());
2723 output.println("if(!"+dst+"->"+localcopystr+") {");
2724 /* Link object into list */
2725 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2726 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2728 output.println("COPY_OBJ("+dst+");");
2729 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2730 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2731 output.println("}");
2733 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2737 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
2738 if (fn.getType().isArray()) {
2739 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2740 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2741 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2743 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2746 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2747 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2749 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2752 if (state.FASTCHECK) {
2753 String dst=generateTemp(fm,fn.getDst());
2754 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2755 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2756 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2760 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
2761 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2762 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
2764 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
2768 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
2769 if (fon.getRight()!=null) {
2770 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2771 if (fon.getLeft().getType().isLong())
2772 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2774 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2777 if (fon.getLeft().getType().isPtr()&&fon.getLeft().getType()!=fon.getRight().getType()&&!fon.getRight().getType().isNull())
2778 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getRight().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2780 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2782 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2783 if (fon.getDest().getType().isPtr()&&fon.getDest().getType()!=fon.getLeft().getType())
2784 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getDest().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+";");
2786 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2787 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2788 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2789 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2790 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
2791 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2792 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
2793 else if (fon.getOp().getOp()==Operation.COMP)
2794 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
2795 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2796 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
2798 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
2801 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
2802 /* TODO: Do type check here */
2803 if (fcn.getType().isArray()) {
2804 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
2805 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
2806 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
2807 } else if (fcn.getType().isClass())
2808 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
2810 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
2815 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
2816 if (fln.getValue()==null)
2817 output.println(generateTemp(fm, fln.getDst())+"=0;");
2818 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2819 String str=(String)fln.getValue();
2820 output.println("{");
2821 output.print("short str"+flncount+"[]={");
2822 for(int i=0;i<str.length();i++) {
2825 output.print(((int)str.charAt(i)));
2827 output.println("};");
2828 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2829 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort("+localsprefixaddr+", str"+flncount+", "+((String)fln.getValue()).length()+");");
2831 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort(str"+flncount+" ,"+((String)fln.getValue()).length()+");");
2833 output.println("}");
2835 } else if (fln.getType().isBoolean()) {
2836 if (((Boolean)fln.getValue()).booleanValue())
2837 output.println(generateTemp(fm, fln.getDst())+"=1;");
2839 output.println(generateTemp(fm, fln.getDst())+"=0;");
2840 } else if (fln.getType().isChar()) {
2841 int val=(int)(((Character)fln.getValue()).charValue());
2842 output.println(generateTemp(fm, fln.getDst())+"="+val+";");
2843 } else if (fln.getType().isLong()) {
2844 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
2846 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
2849 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
2850 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2851 // a static block, check if it has been executed
2852 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2856 if (frn.getReturnTemp()!=null) {
2857 if (frn.getReturnTemp().getType().isPtr())
2858 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
2860 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
2862 output.println("return;");
2866 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
2867 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
2870 /** This method generates header information for the method or
2871 * task referenced by the Descriptor des. */
2872 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
2873 generateHeader(fm, des, output, false);
2876 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
2878 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
2879 MethodDescriptor md=null;
2880 TaskDescriptor task=null;
2881 if (des instanceof MethodDescriptor)
2882 md=(MethodDescriptor) des;
2884 task=(TaskDescriptor) des;
2885 String mdstring = md != null ? md.getSafeMethodDescriptor() : null;
2887 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2889 if (md!=null&&md.getReturnType()!=null) {
2890 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2891 output.print("int ");
2892 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2893 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2895 output.print(md.getReturnType().getSafeSymbol()+" ");
2897 //catch the constructor case
2898 output.print("void ");
2900 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2901 mdstring += "staticinit";
2903 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
2905 output.print(task.getSafeSymbol()+"(");
2907 boolean printcomma=false;
2908 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2910 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
2912 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2918 for(int i=0; i<objectparams.numPrimitives(); i++) {
2919 TempDescriptor temp=objectparams.getPrimitive(i);
2923 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2924 output.print("int " + temp.getSafeSymbol());
2925 } else if (temp.getType().isClass()||temp.getType().isArray())
2926 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2928 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2930 output.println(") {");
2931 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2932 /* Imprecise Task */
2933 output.println("void * parameterarray[]) {");
2934 /* Unpack variables */
2935 for(int i=0; i<objectparams.numPrimitives(); i++) {
2936 TempDescriptor temp=objectparams.getPrimitive(i);
2937 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2938 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
2940 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2943 for(int i=0; i<fm.numTags(); i++) {
2944 TempDescriptor temp=fm.getTag(i);
2945 int offset=i+objectparams.numPrimitives();
2946 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2949 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2950 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2951 } else output.println(") {");
2954 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
2955 output.println("/* FlatFlagActionNode */");
2958 /* Process tag changes */
2959 Relation tagsettable=new Relation();
2960 Relation tagcleartable=new Relation();
2962 Iterator tagsit=ffan.getTempTagPairs();
2963 while (tagsit.hasNext()) {
2964 TempTagPair ttp=(TempTagPair) tagsit.next();
2965 TempDescriptor objtmp=ttp.getTemp();
2966 TagDescriptor tag=ttp.getTag();
2967 TempDescriptor tagtmp=ttp.getTagTemp();
2968 boolean tagstatus=ffan.getTagChange(ttp);
2970 tagsettable.put(objtmp, tagtmp);
2972 tagcleartable.put(objtmp, tagtmp);
2977 Hashtable flagandtable=new Hashtable();
2978 Hashtable flagortable=new Hashtable();
2980 /* Process flag changes */
2981 Iterator flagsit=ffan.getTempFlagPairs();
2982 while(flagsit.hasNext()) {
2983 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2984 TempDescriptor temp=tfp.getTemp();
2985 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2986 FlagDescriptor flag=tfp.getFlag();
2988 //Newly allocate objects that don't set any flags case
2989 if (flagortable.containsKey(temp)) {
2993 flagortable.put(temp,new Integer(mask));
2995 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2996 boolean flagstatus=ffan.getFlagChange(tfp);
2999 if (flagortable.containsKey(temp)) {
3000 mask=((Integer)flagortable.get(temp)).intValue();
3003 flagortable.put(temp,new Integer(mask));
3005 int mask=0xFFFFFFFF;
3006 if (flagandtable.containsKey(temp)) {
3007 mask=((Integer)flagandtable.get(temp)).intValue();
3009 mask&=(0xFFFFFFFF^flagid);
3010 flagandtable.put(temp,new Integer(mask));
3016 HashSet flagtagset=new HashSet();
3017 flagtagset.addAll(flagortable.keySet());
3018 flagtagset.addAll(flagandtable.keySet());
3019 flagtagset.addAll(tagsettable.keySet());
3020 flagtagset.addAll(tagcleartable.keySet());
3022 Iterator ftit=flagtagset.iterator();
3023 while(ftit.hasNext()) {
3024 TempDescriptor temp=(TempDescriptor)ftit.next();
3027 Set tagtmps=tagcleartable.get(temp);
3028 if (tagtmps!=null) {
3029 Iterator tagit=tagtmps.iterator();
3030 while(tagit.hasNext()) {
3031 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3032 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3033 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3035 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3039 tagtmps=tagsettable.get(temp);
3040 if (tagtmps!=null) {
3041 Iterator tagit=tagtmps.iterator();
3042 while(tagit.hasNext()) {
3043 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3044 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3045 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3047 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3052 int andmask=0xFFFFFFF;
3054 if (flagortable.containsKey(temp))
3055 ormask=((Integer)flagortable.get(temp)).intValue();
3056 if (flagandtable.containsKey(temp))
3057 andmask=((Integer)flagandtable.get(temp)).intValue();
3058 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
3059 generateObjectDistribute(ffan, fm, temp, output);
3063 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
3064 PrintWriter output, int ormask, int andmask) {
3065 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3066 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3068 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3072 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
3073 output.println("enqueueObject("+generateTemp(fm, temp)+");");
3076 void generateOptionalHeader(PrintWriter headers) {
3079 headers.println("#include \"task.h\"\n\n");
3080 headers.println("#ifndef _OPTIONAL_STRUCT_");
3081 headers.println("#define _OPTIONAL_STRUCT_");
3083 //STRUCT PREDICATEMEMBER
3084 headers.println("struct predicatemember{");
3085 headers.println("int type;");
3086 headers.println("int numdnfterms;");
3087 headers.println("int * flags;");
3088 headers.println("int numtags;");
3089 headers.println("int * tags;\n};\n\n");
3091 //STRUCT OPTIONALTASKDESCRIPTOR
3092 headers.println("struct optionaltaskdescriptor{");
3093 headers.println("struct taskdescriptor * task;");
3094 headers.println("int index;");
3095 headers.println("int numenterflags;");
3096 headers.println("int * enterflags;");
3097 headers.println("int numpredicatemembers;");
3098 headers.println("struct predicatemember ** predicatememberarray;");
3099 headers.println("};\n\n");
3101 //STRUCT TASKFAILURE
3102 headers.println("struct taskfailure {");
3103 headers.println("struct taskdescriptor * task;");
3104 headers.println("int index;");
3105 headers.println("int numoptionaltaskdescriptors;");
3106 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3108 //STRUCT FSANALYSISWRAPPER
3109 headers.println("struct fsanalysiswrapper{");
3110 headers.println("int flags;");
3111 headers.println("int numtags;");
3112 headers.println("int * tags;");
3113 headers.println("int numtaskfailures;");
3114 headers.println("struct taskfailure ** taskfailurearray;");
3115 headers.println("int numoptionaltaskdescriptors;");
3116 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3118 //STRUCT CLASSANALYSISWRAPPER
3119 headers.println("struct classanalysiswrapper{");
3120 headers.println("int type;");
3121 headers.println("int numotd;");
3122 headers.println("struct optionaltaskdescriptor ** otdarray;");
3123 headers.println("int numfsanalysiswrappers;");
3124 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3126 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3128 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3129 while(taskit.hasNext()) {
3130 TaskDescriptor td=(TaskDescriptor)taskit.next();
3131 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3136 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3137 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3138 int predicateindex = 0;
3139 //iterate through the classes concerned by the predicate
3140 Set c_vard = predicate.vardescriptors;
3141 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3144 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
3145 VarDescriptor vard = (VarDescriptor)vard_it.next();
3146 TypeDescriptor typed = vard.getType();
3148 //generate for flags
3149 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3150 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3152 if (fen_hashset!=null) {
3153 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
3154 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3156 DNFFlag dflag=fen.getDNF();
3157 numberterms+=dflag.size();
3159 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3161 for(int j=0; j<dflag.size(); j++) {
3163 output.println(",");
3164 Vector term=dflag.get(j);
3167 for(int k=0; k<term.size(); k++) {
3168 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3169 FlagDescriptor fd=dfa.getFlag();
3170 boolean negated=dfa.getNegated();
3171 int flagid=1<<((Integer)flags.get(fd)).intValue();
3176 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3181 output.println("};\n");
3184 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3185 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3188 for(int j=0; j<tagel.numTags(); j++) {
3190 output.println(",");
3191 TempDescriptor tmp=tagel.getTemp(j);
3192 if (!slotnumber.containsKey(tmp)) {
3193 Integer slotint=new Integer(current_slot++);
3194 slotnumber.put(tmp,slotint);
3196 int slot=slotnumber.get(tmp).intValue();
3197 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3199 numtags = tagel.numTags();
3201 output.println("};");
3203 //store the result into a predicatemember struct
3204 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3205 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3206 output.println("/* number of dnf terms */"+numberterms+",");
3207 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3208 output.println("/* number of tag */"+numtags+",");
3209 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3210 output.println("};\n");
3215 //generate an array that stores the entire predicate
3216 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3217 for( int j = 0; j<predicateindex; j++) {
3218 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3219 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3221 output.println("};\n");
3222 return predicateindex;
3226 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3227 generateOptionalHeader(headers);
3229 output.println("#include \"optionalstruct.h\"\n\n");
3230 output.println("#include \"stdlib.h\"\n");
3232 HashSet processedcd = new HashSet();
3234 Enumeration e = safeexecution.keys();
3235 while (e.hasMoreElements()) {
3238 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3239 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3241 //Generate the struct of optionals
3242 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3243 numotd = c_otd.size();
3244 if(maxotd<numotd) maxotd = numotd;
3245 if( !c_otd.isEmpty() ) {
3246 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3247 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3249 //generate the int arrays for the predicate
3250 Predicate predicate = otd.predicate;
3251 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3252 TreeSet<Integer> fsset=new TreeSet<Integer>();
3253 //iterate through possible FSes corresponding to
3254 //the state when entering
3256 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3257 FlagState fs = (FlagState)fses.next();
3259 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3260 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3261 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3264 fsset.add(new Integer(flagid));
3265 //tag information not needed because tag
3266 //changes are not tolerated.
3269 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3270 boolean needcomma=false;
3271 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3274 output.println(it.next());
3277 output.println("};\n");
3280 //generate optionaltaskdescriptor that actually
3281 //includes exit fses, predicate and the task
3283 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3284 output.println("&task_"+otd.td.getSafeSymbol()+",");
3285 output.println("/*index*/"+otd.getIndex()+",");
3286 output.println("/*number of enter flags*/"+fsset.size()+",");
3287 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3288 output.println("/*number of members */"+predicateindex+",");
3289 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3290 output.println("};\n");
3294 // if there are no optionals, there is no need to build the rest of the struct
3296 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3297 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3298 if( !c_otd.isEmpty() ) {
3299 boolean needcomma=false;
3300 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3301 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3303 output.println(",");
3305 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3308 output.println("};\n");
3310 //get all the possible flagstates reachable by an object
3311 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3313 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3314 fsts.addAll(hashtbtemp.keySet());
3315 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3316 FlagState fs = (FlagState)fsit.next();
3319 //get the set of OptionalTaskDescriptors corresponding
3320 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3321 //iterate through the OptionalTaskDescriptors and
3322 //store the pointers to the optionals struct (see on
3323 //top) into an array
3325 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3326 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3327 OptionalTaskDescriptor mm = mos.next();
3329 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3331 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3334 output.println("};\n");
3336 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3339 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3340 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3341 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3345 //process tag information
3348 boolean first = true;
3349 Enumeration tag_enum = fs.getTags();
3350 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3351 while(tag_enum.hasMoreElements()) {
3353 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3357 output.println(", ");
3358 output.println("/*tagid*/"+state.getTagId(tagd));
3360 output.println("};");
3362 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3363 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3364 TaskIndex ti=itti.next();
3368 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3370 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3371 boolean needcomma=false;
3372 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3373 OptionalTaskDescriptor otd=otdit.next();
3377 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3379 output.println("};");
3381 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3382 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3383 output.print(ti.getIndex()+", ");
3384 output.print(otdset.size()+", ");
3385 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3386 output.println("};");
3389 tiset=sa.getTaskIndex(fs);
3390 boolean needcomma=false;
3392 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3393 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3394 TaskIndex ti=itti.next();
3395 if (ti.isRuntime()) {
3402 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3404 output.println("};\n");
3406 //Store the result in fsanalysiswrapper
3408 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3409 output.println("/*flag*/"+flagid+",");
3410 output.println("/* number of tags*/"+tagcounter+",");
3411 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3412 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3413 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3414 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3415 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3416 output.println("};\n");
3420 //Build the array of fsanalysiswrappers
3421 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3422 boolean needcomma=false;
3423 for(int i = 0; i<fscounter; i++) {
3424 if (needcomma) output.print(",");
3425 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3428 output.println("};");
3430 //Build the classanalysiswrapper referring to the previous array
3431 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3432 output.println("/*type*/"+cdtemp.getId()+",");
3433 output.println("/*numotd*/"+numotd+",");
3434 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3435 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3436 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3437 processedcd.add(cdtemp);
3440 //build an array containing every classes for which code has been build
3441 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3442 for(int i=0; i<state.numClasses(); i++) {
3443 ClassDescriptor cn=cdarray[i];
3446 if ((cn != null) && (processedcd.contains(cn)))
3447 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3449 output.print("NULL");
3451 output.println("};");
3453 output.println("#define MAXOTD "+maxotd);
3454 headers.println("#endif");
3457 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3458 Relation r=new Relation();
3459 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3460 OptionalTaskDescriptor otd=otdit.next();
3461 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3465 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3466 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3467 Set s=r.get(it.next());
3468 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3469 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3477 // override these methods in a subclass of BuildCode
3478 // to generate code for additional systems
3479 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3481 protected void outputTransCode(PrintWriter output) {
3483 protected void buildCodeSetup() {
3485 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3487 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3489 protected void preCodeGenInitialization() {
3491 protected void postCodeGenCleanUp() {
3493 protected void additionalCodeGen(PrintWriter outmethodheader,
3494 PrintWriter outstructs,
3495 PrintWriter outmethod) {
3497 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3499 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3501 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3503 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3505 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3507 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3509 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3511 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3513 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3516 private void printSourceLineNumber(FlatMethod fm, FlatNode fn, PrintWriter output) {
3517 // we do not print out line number if no one explicitly set the number
3518 if(fn.getNumLine()!=-1){
3520 int lineNum=fn.getNumLine();
3522 // do not generate the line number if it is same as the previous one
3523 boolean needtoprint;
3524 if(fn.prev.size()==0){
3530 for(int i=0;i<fn.prev.size();i++){
3531 int prevLineNum=((FlatNode)fn.prev.get(i)).getNumLine();
3532 if(prevLineNum!=lineNum){
3538 output.println("// "+fm.getMethod().getClassDesc().getSourceFileName()+":"+fn.getNumLine());