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(" void * lockentry;");
617 outclassdefs.println(" int lockcount;");
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(" int lockcount;");
636 if(state.MULTICOREGC) {
637 outclassdefs.println(" int marked;");
641 outclassdefs.println(" int numfses;");
642 outclassdefs.println(" int * fses;");
646 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
647 printedfieldstbl.clear();
648 printExtraArrayFields(outclassdefs);
649 if (state.ARRAYPAD) {
650 outclassdefs.println(" int paddingforarray;");
653 outclassdefs.println(" int ___length___;");
654 outclassdefs.println("};\n");
656 outclassdefs.println("");
657 outclassdefs.println("extern int classsize[];");
658 outclassdefs.println("extern int hasflags[];");
659 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
660 outclassdefs.println("extern int* supertypes[];");
661 outclassdefs.println("");
664 /** Prints out definitions for generic task structures */
666 protected void outputTaskTypes(PrintWriter outtask) {
667 outtask.println("#ifndef _TASK_H");
668 outtask.println("#define _TASK_H");
669 outtask.println("struct parameterdescriptor {");
670 outtask.println("int type;");
671 outtask.println("int numberterms;");
672 outtask.println("int *intarray;");
673 outtask.println("void * queue;");
674 outtask.println("int numbertags;");
675 outtask.println("int *tagarray;");
676 outtask.println("};");
678 outtask.println("struct taskdescriptor {");
679 outtask.println("void * taskptr;");
680 outtask.println("int numParameters;");
681 outtask.println(" int numTotal;");
682 outtask.println("struct parameterdescriptor **descriptorarray;");
683 outtask.println("char * name;");
684 outtask.println("};");
685 outtask.println("extern struct taskdescriptor * taskarray[];");
686 outtask.println("extern numtasks;");
687 outtask.println("#endif");
691 protected void buildRepairStructs(PrintWriter outrepairstructs) {
692 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
693 while(classit.hasNext()) {
694 ClassDescriptor cn=(ClassDescriptor)classit.next();
695 outrepairstructs.println("structure "+cn.getSymbol()+" {");
696 outrepairstructs.println(" int __type__;");
698 outrepairstructs.println(" int __flag__;");
699 if(!state.MULTICORE) {
700 outrepairstructs.println(" int __flagptr__;");
703 printRepairStruct(cn, outrepairstructs);
704 outrepairstructs.println("}\n");
707 for(int i=0; i<state.numArrays(); i++) {
708 TypeDescriptor tdarray=arraytable[i];
709 TypeDescriptor tdelement=tdarray.dereference();
710 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
711 outrepairstructs.println(" int __type__;");
712 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
713 outrepairstructs.println(" int length;");
714 outrepairstructs.println("}\n");
718 protected void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
719 ClassDescriptor sp=cn.getSuperDesc();
721 printRepairStruct(sp, output);
723 Vector fields=(Vector)fieldorder.get(cn);
725 for(int i=0; i<fields.size(); i++) {
726 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
727 if (fd.getType().isArray()) {
728 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
729 } else if (fd.getType().isClass())
730 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
731 else if (fd.getType().isFloat())
732 output.println(" int "+fd.getSymbol()+"; /* really float */");
734 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
738 /** This method outputs TaskDescriptor information */
739 protected void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
740 for (int i=0; i<task.numParameters(); i++) {
741 VarDescriptor param_var=task.getParameter(i);
742 TypeDescriptor param_type=task.getParamType(i);
743 FlagExpressionNode param_flag=task.getFlag(param_var);
744 TagExpressionList param_tag=task.getTag(param_var);
747 if (param_flag==null) {
748 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
749 output.println("0x0, 0x0 };");
752 DNFFlag dflag=param_flag.getDNF();
753 dnfterms=dflag.size();
755 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
756 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
757 for(int j=0; j<dflag.size(); j++) {
760 Vector term=dflag.get(j);
763 for(int k=0; k<term.size(); k++) {
764 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
765 FlagDescriptor fd=dfa.getFlag();
766 boolean negated=dfa.getNegated();
767 int flagid=1<<((Integer)flags.get(fd)).intValue();
772 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
774 output.println("};");
777 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
779 for(int j=0; j<param_tag.numTags(); j++) {
782 /* for each tag we need */
783 /* which slot it is */
784 /* what type it is */
785 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
786 TempDescriptor tmp=param_tag.getTemp(j);
787 int slot=fm.getTagInt(tmp);
788 output.println(slot+", "+state.getTagId(tvd.getTag()));
790 output.println("};");
792 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
793 output.println("/* type */"+param_type.getClassDesc().getId()+",");
794 output.println("/* number of DNF terms */"+dnfterms+",");
795 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
796 output.println("0,");
798 output.println("/* number of tags */"+param_tag.numTags()+",");
800 output.println("/* number of tags */ 0,");
801 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
802 output.println("};");
806 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
807 for (int i=0; i<task.numParameters(); i++) {
810 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
812 output.println("};");
814 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
815 output.println("&"+task.getSafeSymbol()+",");
816 output.println("/* number of parameters */" +task.numParameters() + ",");
817 int numtotal=task.numParameters()+fm.numTags();
818 output.println("/* number total parameters */" +numtotal + ",");
819 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
820 output.println("\""+task.getSymbol()+"\"");
821 output.println("};");
825 /** The buildVirtualTables method outputs the virtual dispatch
826 * tables for methods. */
828 protected void buildVirtualTables(PrintWriter outvirtual) {
829 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
830 while(classit.hasNext()) {
831 ClassDescriptor cd=(ClassDescriptor)classit.next();
832 if (virtualcalls.getMethodCount(cd)>maxcount)
833 maxcount=virtualcalls.getMethodCount(cd);
835 MethodDescriptor[][] virtualtable=null;
836 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
838 /* Fill in virtual table */
839 classit=state.getClassSymbolTable().getDescriptorsIterator();
840 while(classit.hasNext()) {
841 ClassDescriptor cd=(ClassDescriptor)classit.next();
842 if(cd.isInterface()) {
845 fillinRow(cd, virtualtable, cd.getId());
848 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
849 Iterator arrayit=state.getArrayIterator();
850 while(arrayit.hasNext()) {
851 TypeDescriptor td=(TypeDescriptor)arrayit.next();
852 int id=state.getArrayNumber(td);
853 fillinRow(objectcd, virtualtable, id+state.numClasses());
856 outvirtual.print("void * virtualtable[]={");
857 boolean needcomma=false;
858 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
859 for(int j=0; j<maxcount; j++) {
861 outvirtual.print(", ");
862 if (virtualtable[i][j]!=null) {
863 MethodDescriptor md=virtualtable[i][j];
864 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
866 outvirtual.print("0");
870 outvirtual.println("");
872 outvirtual.println("};");
876 protected void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
877 /* Get inherited methods */
878 Iterator it_sifs = cd.getSuperInterfaces();
879 while(it_sifs.hasNext()) {
880 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
881 fillinRow(superif, virtualtable, rownum);
883 if (cd.getSuperDesc()!=null)
884 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
885 /* Override them with our methods */
886 for(Iterator it=cd.getMethods(); it.hasNext(); ) {
887 MethodDescriptor md=(MethodDescriptor)it.next();
888 if (md.isStatic()||md.getReturnType()==null)
891 if (!callgraph.isCallable(md)) {
895 int methodnum = virtualcalls.getMethodNumber(md);
896 virtualtable[rownum][methodnum]=md;
900 /** Generate array that contains the sizes of class objects. The
901 * object allocation functions in the runtime use this
904 protected void generateSizeArray(PrintWriter outclassdefs) {
905 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
906 generateSizeArrayExtensions(outclassdefs);
908 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
909 cdarray=new ClassDescriptor[state.numClasses()];
910 ifarray = new ClassDescriptor[state.numInterfaces()];
913 while(it.hasNext()) {
914 ClassDescriptor cd=(ClassDescriptor)it.next();
915 if(cd.isInterface()) {
916 ifarray[cd.getId()] = cd;
918 cdarray[cd.getId()] = cd;
922 arraytable=new TypeDescriptor[state.numArrays()];
924 Iterator arrayit=state.getArrayIterator();
925 while(arrayit.hasNext()) {
926 TypeDescriptor td=(TypeDescriptor)arrayit.next();
927 int id=state.getArrayNumber(td);
931 /* Print out types */
932 outclassdefs.println("/* ");
933 for(int i=0; i<state.numClasses(); i++) {
934 ClassDescriptor cd=cdarray[i];
936 outclassdefs.println("NULL " + i);
938 outclassdefs.println(cd +" "+i);
942 for(int i=0; i<state.numArrays(); i++) {
943 TypeDescriptor arraytd=arraytable[i];
944 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
947 for(int i=0; i<state.numInterfaces(); i++) {
948 ClassDescriptor ifcd = ifarray[i];
949 outclassdefs.println(ifcd +" "+(i+state.numClasses()+state.numArrays()));
952 outclassdefs.println("*/");
955 outclassdefs.print("int classsize[]={");
957 boolean needcomma=false;
958 for(int i=0; i<state.numClasses(); i++) {
960 outclassdefs.print(", ");
962 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
964 outclassdefs.print("0");
970 for(int i=0; i<state.numArrays(); i++) {
972 outclassdefs.print(", ");
973 TypeDescriptor tdelement=arraytable[i].dereference();
974 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
975 outclassdefs.print("sizeof(void *)");
977 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
981 for(int i=0; i<state.numInterfaces(); i++) {
983 outclassdefs.print(", ");
984 outclassdefs.print("sizeof(struct "+ifarray[i].getSafeSymbol()+")");
988 outclassdefs.println("};");
990 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
992 outclassdefs.print("int typearray[]={");
993 for(int i=0; i<state.numClasses(); i++) {
994 ClassDescriptor cd=cdarray[i];
995 ClassDescriptor supercd=i>0 ? cd.getSuperDesc() : null;
996 if(supercd != null && supercd.isInterface()) {
997 throw new Error("Super class can not be interfaces");
1000 outclassdefs.print(", ");
1002 outclassdefs.print("-1");
1004 outclassdefs.print(supercd.getId());
1008 for(int i=0; i<state.numArrays(); i++) {
1009 TypeDescriptor arraytd=arraytable[i];
1010 ClassDescriptor arraycd=arraytd.getClassDesc();
1011 if (arraycd==null) {
1013 outclassdefs.print(", ");
1014 outclassdefs.print(objectclass.getId());
1018 ClassDescriptor cd=arraycd.getSuperDesc();
1021 TypeDescriptor supertd=new TypeDescriptor(cd);
1022 supertd.setArrayCount(arraytd.getArrayCount());
1023 type=state.getArrayNumber(supertd);
1025 type+=state.numClasses();
1028 cd=cd.getSuperDesc();
1031 outclassdefs.print(", ");
1032 outclassdefs.print(type);
1036 for(int i=0; i<state.numInterfaces(); i++) {
1037 ClassDescriptor cd=ifarray[i];
1038 ClassDescriptor supercd=cd.getSuperDesc();
1039 if(supercd != null && supercd.isInterface()) {
1040 throw new Error("Super class can not be interfaces");
1043 outclassdefs.print(", ");
1045 outclassdefs.print("-1");
1047 outclassdefs.print(supercd.getId());
1051 outclassdefs.println("};");
1056 outclassdefs.print("int typearray2[]={");
1057 for(int i=0; i<state.numArrays(); i++) {
1058 TypeDescriptor arraytd=arraytable[i];
1059 ClassDescriptor arraycd=arraytd.getClassDesc();
1060 if (arraycd==null) {
1062 outclassdefs.print(", ");
1063 outclassdefs.print("-1");
1067 ClassDescriptor cd=arraycd.getSuperDesc();
1068 int level=arraytd.getArrayCount()-1;
1070 for(; level>0; level--) {
1071 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1072 supertd.setArrayCount(level);
1073 type=state.getArrayNumber(supertd);
1075 type+=state.numClasses();
1080 outclassdefs.print(", ");
1081 outclassdefs.print(type);
1085 outclassdefs.println("};");
1088 /** Constructs params and temp objects for each method or task.
1089 * These objects tell the compiler which temps need to be
1092 protected void generateTempStructs(FlatMethod fm) {
1093 MethodDescriptor md=fm.getMethod();
1094 TaskDescriptor task=fm.getTask();
1095 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
1097 paramstable.put(md, objectparams);
1099 paramstable.put(task, objectparams);
1101 for(int i=0; i<fm.numParameters(); i++) {
1102 TempDescriptor temp=fm.getParameter(i);
1103 TypeDescriptor type=temp.getType();
1104 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1105 objectparams.addPtr(temp);
1107 objectparams.addPrim(temp);
1110 for(int i=0; i<fm.numTags(); i++) {
1111 TempDescriptor temp=fm.getTag(i);
1112 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1113 objectparams.addPtr(temp);
1115 objectparams.addPrim(temp);
1118 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1120 tempstable.put(md, objecttemps);
1122 tempstable.put(task, objecttemps);
1124 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
1125 FlatNode fn=(FlatNode)nodeit.next();
1126 TempDescriptor[] writes=fn.writesTemps();
1127 for(int i=0; i<writes.length; i++) {
1128 TempDescriptor temp=writes[i];
1129 TypeDescriptor type=temp.getType();
1130 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1131 objecttemps.addPtr(temp);
1133 objecttemps.addPrim(temp);
1138 /** This method outputs the following information about classes
1140 * (1) For classes, what are the locations of pointers.
1141 * (2) For arrays, does the array contain pointers or primitives.
1142 * (3) For classes, does the class contain flags.
1145 protected void generateLayoutStructs(PrintWriter output) {
1146 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1147 while(it.hasNext()) {
1148 ClassDescriptor cn=(ClassDescriptor)it.next();
1149 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1150 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1152 while(allit.hasNext()) {
1153 FieldDescriptor fd=(FieldDescriptor)allit.next();
1157 TypeDescriptor type=fd.getType();
1161 output.print(count);
1162 allit=cn.getFieldTable().getAllDescriptorsIterator();
1163 while(allit.hasNext()) {
1164 FieldDescriptor fd=(FieldDescriptor)allit.next();
1168 TypeDescriptor type=fd.getType();
1170 output.println(",");
1171 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1172 fd.getSafeSymbol()+"))");
1175 output.println("};");
1178 output.println("unsigned INTPTR * pointerarray[]={");
1179 boolean needcomma=false;
1180 for(int i=0; i<state.numClasses(); i++) {
1181 ClassDescriptor cn=cdarray[i];
1183 output.println(",");
1186 output.print(cn.getSafeSymbol()+"_pointers");
1188 output.print("NULL");
1192 for(int i=0; i<state.numArrays(); i++) {
1194 output.println(", ");
1195 TypeDescriptor tdelement=arraytable[i].dereference();
1196 if (tdelement.isArray()||tdelement.isClass())
1197 output.print("((unsigned INTPTR *)1)");
1203 output.println("};");
1205 output.println("int hasflags[]={");
1206 for(int i=0; i<state.numClasses(); i++) {
1207 ClassDescriptor cn=cdarray[i];
1209 output.println(", ");
1211 if ((cn != null) && (cn.hasFlags()))
1216 output.println("};");
1219 private int checkarraysupertype(ClassDescriptor arraycd, TypeDescriptor arraytd) {
1222 TypeDescriptor supertd=new TypeDescriptor(arraycd);
1223 supertd.setArrayCount(arraytd.getArrayCount());
1224 type=state.getArrayNumber(supertd);
1229 ClassDescriptor cd = arraycd.getSuperDesc();
1231 type = checkarraysupertype(cd, arraytd);
1237 Iterator it_sifs = arraycd.getSuperInterfaces();
1238 while(it_sifs.hasNext()) {
1239 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1240 type = checkarraysupertype(ifcd, arraytd);
1250 /** Print out table to give us supertypes */
1251 protected void generateSuperTypeTable(PrintWriter output) {
1252 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1253 for(int i=0; i<state.numClasses(); i++) {
1254 ClassDescriptor cn=cdarray[i];
1258 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1259 boolean ncomma = false;
1261 if((cn != null) && (cn.getSuperDesc() != null)) {
1264 Iterator it_sifs = cn != null? cn.getSuperInterfaces() : null;
1265 while(it_sifs != null && it_sifs.hasNext()) {
1271 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1275 ClassDescriptor cdsuper=cn.getSuperDesc();
1276 output.print(cdsuper.getId());
1278 it_sifs = cn != null? cn.getSuperInterfaces() : null;
1279 while(it_sifs != null && it_sifs.hasNext()) {
1283 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1286 output.println("};");
1289 for(int i=0; i<state.numArrays(); i++) {
1290 TypeDescriptor arraytd=arraytable[i];
1291 ClassDescriptor arraycd=arraytd.getClassDesc();
1292 output.print("int supertypes___arraytype___" + (i+state.numClasses()) + "[] = {");
1293 boolean ncomma = false;
1295 if (arraycd==null) {
1299 output.print(objectclass.getId());
1300 output.println("};");
1303 if((arraycd != null) && (arraycd.getSuperDesc() != null)) {
1306 Iterator it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1307 while(it_sifs != null && it_sifs.hasNext()) {
1313 if ((arraycd != null) && (arraycd.getSuperDesc()!=null)) {
1314 ClassDescriptor cd=arraycd.getSuperDesc();
1317 type = checkarraysupertype(cd, arraytd);
1319 type += state.numClasses();
1326 it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1327 while(it_sifs != null && it_sifs.hasNext()) {
1328 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1329 int type = checkarraysupertype(ifcd , arraytd);
1331 type += state.numClasses();
1337 output.println("};");
1340 for(int i=0; i<state.numInterfaces(); i++) {
1341 ClassDescriptor cn=ifarray[i];
1345 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1346 boolean ncomma = false;
1348 if((cn != null) && (cn.getSuperDesc() != null)) {
1351 Iterator it_sifs = cn != null? cn.getSuperInterfaces() : null;
1352 while(it_sifs != null && it_sifs.hasNext()) {
1358 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1362 ClassDescriptor cdsuper=cn.getSuperDesc();
1363 output.print(cdsuper.getId());
1365 it_sifs = cn != null? cn.getSuperInterfaces() : null;
1366 while(it_sifs != null && it_sifs.hasNext()) {
1370 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1373 output.println("};");
1376 output.println("int* supertypes[]={");
1377 boolean needcomma=false;
1378 for(int i=0; i<state.numClasses(); i++) {
1379 ClassDescriptor cn=cdarray[i];
1381 output.println(",");
1384 output.print("supertypes" + cn.getSafeSymbol());
1390 for(int i=0; i<state.numArrays(); i++) {
1392 output.println(",");
1394 output.print("supertypes___arraytype___" + (i+state.numClasses()));
1397 for(int i=0; i<state.numInterfaces(); i++) {
1398 ClassDescriptor cn=ifarray[i];
1400 output.println(",");
1402 output.print("supertypes" + cn.getSafeSymbol());
1404 output.println("};");
1407 /** Force consistent field ordering between inherited classes. */
1409 protected void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1411 ClassDescriptor sp=cn.getSuperDesc();
1413 printClassStruct(sp, classdefout, /*globaldefout*/ null, null);
1415 SymbolTable sitbl = cn.getSuperInterfaceTable();
1416 Iterator it_sifs = sitbl.getDescriptorsIterator();
1417 while(it_sifs.hasNext()) {
1418 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1419 printClassStruct(si, classdefout, /*globaldefout*/ null, null);
1422 if (!fieldorder.containsKey(cn)) {
1423 Vector fields=new Vector();
1424 fieldorder.put(cn,fields);
1426 Vector fieldvec=cn.getFieldVec();
1427 for(int i=0; i<fieldvec.size(); i++) {
1428 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1429 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1432 it_sifs = sitbl.getDescriptorsIterator();
1433 boolean hasprinted = false;
1434 while(it_sifs.hasNext()) {
1435 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1436 if(si.getFieldTable().contains(fd.getSymbol())) {
1442 // this field has been defined in the super class
1449 //Vector fields=(Vector)fieldorder.get(cn);
1451 Vector fields = cn.getFieldVec();
1453 for(int i=0; i<fields.size(); i++) {
1454 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1455 String fstring = fd.getSafeSymbol();
1456 if(printedfieldstbl.containsKey(fstring)) {
1457 printedfieldstbl.put(fstring, cn);
1460 printedfieldstbl.put(fstring, cn);
1462 if (fd.getType().isClass()
1463 && fd.getType().getClassDesc().isEnum()) {
1464 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1465 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1466 if (fd.isStatic()) {
1467 // TODO add version for normal Java later
1469 if(globaldefout != null) {
1470 if(fd.isVolatile()) {
1471 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1473 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1477 } else if (fd.isVolatile()) {
1479 classdefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1481 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1483 } else if (fd.isStatic()) {
1484 // TODO add version for normal Java later
1486 if(globaldefout != null) {
1487 if(fd.isVolatile()) {
1488 globaldefprimout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1490 globaldefprimout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1493 } else if (fd.isVolatile()) {
1495 classdefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1497 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1502 /* Map flags to integers consistently between inherited
1505 protected void mapFlags(ClassDescriptor cn) {
1506 ClassDescriptor sp=cn.getSuperDesc();
1510 if (!flagorder.containsKey(cn)) {
1511 Hashtable flags=new Hashtable();
1512 flagorder.put(cn,flags);
1514 Hashtable superflags=(Hashtable)flagorder.get(sp);
1515 Iterator superflagit=superflags.keySet().iterator();
1516 while(superflagit.hasNext()) {
1517 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1518 Integer number=(Integer)superflags.get(fd);
1519 flags.put(fd, number);
1520 if ((number.intValue()+1)>max)
1521 max=number.intValue()+1;
1525 Iterator flagit=cn.getFlags();
1526 while(flagit.hasNext()) {
1527 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1528 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1529 flags.put(fd, new Integer(max++));
1535 /** This function outputs (1) structures that parameters are
1536 * passed in (when PRECISE GC is enabled) and (2) function
1537 * prototypes for the methods */
1539 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1540 /* Output class structure */
1541 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1542 classdefout.println(" int type;");
1545 additionalClassObjectFields(classdefout);
1548 if (state.EVENTMONITOR) {
1549 classdefout.println(" int objuid;");
1552 classdefout.println(" pthread_t tid;");
1553 classdefout.println(" void * lockentry;");
1554 classdefout.println(" int lockcount;");
1557 classdefout.println(" int mutex;");
1558 classdefout.println(" volatile int notifycount;");
1559 classdefout.println(" volatile int objlock;");
1560 if(state.MULTICOREGC) {
1561 classdefout.println(" int marked;");
1565 classdefout.println(" int flag;");
1566 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1567 classdefout.println(" void * flagptr;");
1568 } else if (state.MULTICORE) {
1569 classdefout.println(" int version;");
1570 classdefout.println(" int * lock;"); // lock entry for this obj
1571 classdefout.println(" int mutex;");
1572 classdefout.println(" int lockcount;");
1573 if(state.MULTICOREGC) {
1574 classdefout.println(" int marked;");
1577 if (state.OPTIONAL) {
1578 classdefout.println(" int numfses;");
1579 classdefout.println(" int * fses;");
1582 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1583 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1584 classdefout.println("};\n");
1585 generateCallStructsMethods(cn, output, headersout);
1589 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1590 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1591 MethodDescriptor md=(MethodDescriptor)methodit.next();
1593 if (!callgraph.isCallable(md)) {
1597 generateMethod(cn, md, headersout, output);
1601 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1602 /* Output parameter structure */
1603 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1604 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1605 // generate the staticinit version
1606 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1608 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1609 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1610 output.println(" int size;");
1611 output.println(" void * next;");
1612 for(int i=0; i<objectparams.numPointers(); i++) {
1613 TempDescriptor temp=objectparams.getPointer(i);
1614 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1615 output.println(" int " + temp.getSafeSymbol() + ";");
1617 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1620 output.println("};\n");
1623 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1624 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1625 output.println(" int size;");
1626 output.println(" void * next;");
1627 for(int i=0; i<objectparams.numPointers(); i++) {
1628 TempDescriptor temp=objectparams.getPointer(i);
1629 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1630 output.println(" int " + temp.getSafeSymbol() + ";");
1632 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1635 output.println("};\n");
1639 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1640 FlatMethod fm=state.getMethodFlat(md);
1641 generateTempStructs(fm);
1643 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1644 TempObject objecttemps=(TempObject) tempstable.get(md);
1646 boolean printcomma = false;
1648 generateMethodParam(cn, md, output);
1650 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1651 // generate the staticinit version
1652 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1654 /* Output temp structure */
1655 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1656 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1657 output.println(" int size;");
1658 output.println(" void * next;");
1659 for(int i=0; i<objecttemps.numPointers(); i++) {
1660 TempDescriptor temp=objecttemps.getPointer(i);
1661 if (!temp.getType().isArray() && temp.getType().isNull())
1662 output.println(" void * "+temp.getSafeSymbol()+";");
1664 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1666 output.println("};\n");
1669 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1670 /* First the return type */
1671 if (md.getReturnType()!=null) {
1672 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1673 headersout.println(" int ");
1674 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1675 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1677 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1679 //catch the constructor case
1680 headersout.print("void ");
1682 /* Next the method name */
1683 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1685 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1686 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1690 /* Output parameter list*/
1691 for(int i=0; i<objectparams.numPrimitives(); i++) {
1692 TempDescriptor temp=objectparams.getPrimitive(i);
1694 headersout.print(", ");
1696 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1697 headersout.print("int " + temp.getSafeSymbol());
1698 } else if (temp.getType().isClass()||temp.getType().isArray())
1699 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1701 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1703 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1704 headersout.print(", int linenum");
1706 headersout.println(");\n");
1709 /* Output temp structure */
1710 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1711 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1712 output.println(" int size;");
1713 output.println(" void * next;");
1714 for(int i=0; i<objecttemps.numPointers(); i++) {
1715 TempDescriptor temp=objecttemps.getPointer(i);
1716 if (!temp.getType().isArray() && temp.getType().isNull())
1717 output.println(" void * "+temp.getSafeSymbol()+";");
1719 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1721 output.println("};\n");
1724 /********* Output method declaration ***********/
1725 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1726 /* First the return type */
1727 if (md.getReturnType()!=null) {
1728 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1729 headersout.println(" int ");
1730 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1731 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1733 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1735 //catch the constructor case
1736 headersout.print("void ");
1738 /* Next the method name */
1739 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1741 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1742 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1746 /* Output parameter list*/
1747 for(int i=0; i<objectparams.numPrimitives(); i++) {
1748 TempDescriptor temp=objectparams.getPrimitive(i);
1750 headersout.print(", ");
1752 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1753 headersout.print("int " + temp.getSafeSymbol());
1754 } else if (temp.getType().isClass()||temp.getType().isArray())
1755 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1757 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1759 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1760 headersout.print(", int linenum");
1762 headersout.println(");\n");
1766 /** This function outputs (1) structures that parameters are
1767 * passed in (when PRECISE GC is enabled) and (2) function
1768 * prototypes for the tasks */
1770 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1771 /* Cycle through tasks */
1772 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1774 while(taskit.hasNext()) {
1775 /* Classify parameters */
1776 TaskDescriptor task=(TaskDescriptor)taskit.next();
1777 FlatMethod fm=state.getMethodFlat(task);
1778 generateTempStructs(fm);
1780 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1781 TempObject objecttemps=(TempObject) tempstable.get(task);
1783 /* Output parameter structure */
1784 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1785 output.println("struct "+task.getSafeSymbol()+"_params {");
1786 output.println(" int size;");
1787 output.println(" void * next;");
1788 for(int i=0; i<objectparams.numPointers(); i++) {
1789 TempDescriptor temp=objectparams.getPointer(i);
1790 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1793 output.println("};\n");
1794 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1795 maxtaskparams=objectparams.numPointers()+fm.numTags();
1799 /* Output temp structure */
1800 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1801 output.println("struct "+task.getSafeSymbol()+"_locals {");
1802 output.println(" int size;");
1803 output.println(" void * next;");
1804 for(int i=0; i<objecttemps.numPointers(); i++) {
1805 TempDescriptor temp=objecttemps.getPointer(i);
1806 if (!temp.getType().isArray() && temp.getType().isNull())
1807 output.println(" void * "+temp.getSafeSymbol()+";");
1808 else if(temp.getType().isTag())
1809 output.println(" struct "+
1810 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1812 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1814 output.println("};\n");
1817 /* Output task declaration */
1818 headersout.print("void " + task.getSafeSymbol()+"(");
1820 boolean printcomma=false;
1821 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1822 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1824 headersout.print("void * parameterarray[]");
1825 headersout.println(");\n");
1829 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
1830 if (State.PRINTFLAT)
1831 System.out.println(fm.printMethod());
1832 MethodDescriptor md=fm.getMethod();
1833 TaskDescriptor task=fm.getTask();
1834 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1835 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null ? md : task);
1837 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1838 // generate a special static init version
1839 mgcstaticinit = true;
1840 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1842 generateHeader(fm, md!=null ? md : task,output);
1843 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1845 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1846 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
1847 output.print(objecttemp.numPointers()+",");
1848 output.print(paramsprefix);
1849 for(int j=0; j<objecttemp.numPointers(); j++)
1850 output.print(", NULL");
1851 output.println("};");
1854 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1855 TempDescriptor td=objecttemp.getPrimitive(i);
1856 TypeDescriptor type=td.getType();
1857 if (type.isNull() && !type.isArray())
1858 output.println(" void * "+td.getSafeSymbol()+";");
1859 else if (type.isClass() && type.getClassDesc().isEnum()) {
1860 output.println(" int " + td.getSafeSymbol() + ";");
1861 } else if (type.isClass()||type.isArray())
1862 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1864 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1867 additionalCodeAtTopFlatMethodBody(output, fm);
1869 /* Check to see if we need to do a GC if this is a
1870 * multi-threaded program...*/
1872 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
1873 || this.state.MULTICOREGC) {
1874 //Don't bother if we aren't in recursive methods...The loops case will catch it
1875 if (callgraph.getAllMethods(md).contains(md)) {
1876 if (this.state.MULTICOREGC) {
1877 output.println("if(gcflag) gc("+localsprefixaddr+");");
1879 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1884 generateCode(fm.getNext(0), fm, null, output);
1886 output.println("}\n\n");
1888 mgcstaticinit = false;
1891 generateHeader(fm, md!=null ? md : task,output);
1892 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1894 if((md != null) && (md.isStaticBlock())) {
1895 mgcstaticinit = true;
1898 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1900 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1902 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1903 output.print(objecttemp.numPointers()+",");
1904 output.print(paramsprefix);
1905 for(int j=0; j<objecttemp.numPointers(); j++)
1906 output.print(", NULL");
1907 output.println("};");
1910 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1911 TempDescriptor td=objecttemp.getPrimitive(i);
1912 TypeDescriptor type=td.getType();
1913 if (type.isNull() && !type.isArray())
1914 output.println(" void * "+td.getSafeSymbol()+";");
1915 else if (type.isClass() && type.getClassDesc().isEnum()) {
1916 output.println(" int " + td.getSafeSymbol() + ";");
1917 } else if (type.isClass()||type.isArray())
1918 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1920 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1923 additionalCodeAtTopFlatMethodBody(output, fm);
1925 /* Check to see if we need to do a GC if this is a
1926 * multi-threaded program...*/
1928 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
1929 || this.state.MULTICOREGC) {
1930 //Don't bother if we aren't in recursive methods...The loops case will catch it
1931 if (callgraph.getAllMethods(md).contains(md)) {
1932 if (this.state.MULTICOREGC) {
1933 output.println("if(gcflag) gc("+localsprefixaddr+");");
1935 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1940 if(fm.getMethod().isStaticBlock()) {
1941 // a static block, check if it has been executed
1942 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
1943 output.println(" return;");
1944 output.println(" }");
1948 generateCode(fm.getNext(0), fm, null, output);
1950 output.println("}\n\n");
1952 mgcstaticinit = false;
1955 protected void generateCode(FlatNode first,
1957 Set<FlatNode> stopset,
1958 PrintWriter output) {
1960 /* Assign labels to FlatNode's if necessary.*/
1962 Hashtable<FlatNode, Integer> nodetolabel;
1964 nodetolabel=assignLabels(first, stopset);
1966 Set<FlatNode> storeset=null;
1967 HashSet<FlatNode> genset=null;
1968 HashSet<FlatNode> refset=null;
1969 Set<FlatNode> unionset=null;
1971 /* Do the actual code generation */
1972 FlatNode current_node=null;
1973 HashSet tovisit=new HashSet();
1974 HashSet visited=new HashSet();
1976 while(current_node!=null||!tovisit.isEmpty()) {
1977 if (current_node==null) {
1978 current_node=(FlatNode)tovisit.iterator().next();
1979 tovisit.remove(current_node);
1980 } else if (tovisit.contains(current_node)) {
1981 tovisit.remove(current_node);
1983 visited.add(current_node);
1984 if (nodetolabel.containsKey(current_node)) {
1985 output.println("L"+nodetolabel.get(current_node)+":");
1987 if (state.INSTRUCTIONFAILURE) {
1989 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1991 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1993 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
1995 generateFlatNode(fm, current_node, output);
1997 if (state.OOOJAVA && stopset!=null) {
1998 assert first.getPrev(0) instanceof FlatSESEEnterNode;
1999 assert current_node instanceof FlatSESEExitNode;
2000 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
2001 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2002 assert fsen.getFlatExit().equals(fsxn);
2003 assert fsxn.getFlatEnter().equals(fsen);
2005 if (current_node.kind()!=FKind.FlatReturnNode) {
2006 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2007 // a static block, check if it has been executed
2008 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2011 output.println(" return;");
2014 } else if(current_node.numNext()==1) {
2016 if (state.OOOJAVA &&
2017 current_node.kind()==FKind.FlatSESEEnterNode) {
2018 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2019 generateFlatNode(fm, current_node, output);
2020 nextnode=fsen.getFlatExit().getNext(0);
2023 generateFlatNode(fm, current_node, output);
2024 nextnode=current_node.getNext(0);
2026 if (visited.contains(nextnode)) {
2027 output.println("goto L"+nodetolabel.get(nextnode)+";");
2030 current_node=nextnode;
2031 } else if (current_node.numNext()==2) {
2034 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2035 if (!visited.contains(current_node.getNext(1)))
2036 tovisit.add(current_node.getNext(1));
2037 if (visited.contains(current_node.getNext(0))) {
2038 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2041 current_node=current_node.getNext(0);
2042 } else throw new Error();
2046 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2047 HashSet tovisit=new HashSet();
2048 HashSet visited=new HashSet();
2050 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2053 /*Assign labels first. A node needs a label if the previous
2054 * node has two exits or this node is a join point. */
2056 while(!tovisit.isEmpty()) {
2057 FlatNode fn=(FlatNode)tovisit.iterator().next();
2062 if(lastset!=null&&lastset.contains(fn)) {
2063 // if last is not null and matches, don't go
2064 // any further for assigning labels
2068 for(int i=0; i<fn.numNext(); i++) {
2069 FlatNode nn=fn.getNext(i);
2072 //1) Edge >1 of node
2073 nodetolabel.put(nn,new Integer(labelindex++));
2075 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2079 nodetolabel.put(nn,new Integer(labelindex++));
2086 /** Generate text string that corresponds to the TempDescriptor td. */
2087 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2088 MethodDescriptor md=fm.getMethod();
2089 TaskDescriptor task=fm.getTask();
2090 TempObject objecttemps=(TempObject) tempstable.get(md!=null ? md : task);
2092 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2093 return td.getSafeSymbol();
2096 if (objecttemps.isLocalPtr(td)) {
2097 return localsprefixderef+td.getSafeSymbol();
2100 if (objecttemps.isParamPtr(td)) {
2101 return paramsprefix+"->"+td.getSafeSymbol();
2109 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2110 if(state.LINENUM) printSourceLineNumber(fm,fn,output);
2111 additionalCodePreNode(fm, fn, output);
2114 case FKind.FlatAtomicEnterNode:
2115 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2118 case FKind.FlatAtomicExitNode:
2119 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2122 case FKind.FlatInstanceOfNode:
2123 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2126 case FKind.FlatSESEEnterNode:
2127 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2130 case FKind.FlatSESEExitNode:
2131 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2134 case FKind.FlatWriteDynamicVarNode:
2135 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2138 case FKind.FlatGlobalConvNode:
2139 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2142 case FKind.FlatTagDeclaration:
2143 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2146 case FKind.FlatCall:
2147 generateFlatCall(fm, (FlatCall) fn,output);
2150 case FKind.FlatFieldNode:
2151 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2154 case FKind.FlatElementNode:
2155 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2158 case FKind.FlatSetElementNode:
2159 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2162 case FKind.FlatSetFieldNode:
2163 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2167 generateFlatNew(fm, (FlatNew) fn,output);
2170 case FKind.FlatOpNode:
2171 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2174 case FKind.FlatCastNode:
2175 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2178 case FKind.FlatLiteralNode:
2179 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2182 case FKind.FlatReturnNode:
2183 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2187 output.println("/* nop */");
2190 case FKind.FlatGenReachNode:
2191 // this node is just for generating a reach graph
2192 // in disjointness analysis at a particular program point
2195 case FKind.FlatExit:
2196 output.println("/* exit */");
2199 case FKind.FlatBackEdge:
2200 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2203 case FKind.FlatCheckNode:
2204 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2207 case FKind.FlatFlagActionNode:
2208 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2211 case FKind.FlatPrefetchNode:
2212 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2215 case FKind.FlatOffsetNode:
2216 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2223 additionalCodePostNode(fm, fn, output);
2226 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2227 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2228 || (this.state.MULTICOREGC)) {
2229 if(this.state.MULTICOREGC) {
2230 output.println("if (gcflag) gc("+localsprefixaddr+");");
2232 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2235 output.println("/* nop */");
2238 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2239 output.println("/* FlatOffsetNode */");
2240 FieldDescriptor fd=fofn.getField();
2241 if(!fd.isStatic()) {
2242 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2243 fd.getSafeSymbol()+");");
2245 output.println("/* offset */");
2248 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2251 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2254 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2257 if (fion.getType().isArray()) {
2258 type=state.getArrayNumber(fion.getType())+state.numClasses();
2259 } else if (fion.getType().getClassDesc().isInterface()) {
2260 type=fion.getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2262 type=fion.getType().getClassDesc().getId();
2264 if (fion.getSrc().getType().isArray()) {
2265 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2266 } else if (fion.getSrc().getType().getClassDesc().isInterface()) {
2267 otype=fion.getSrc().getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2269 otype=fion.getSrc().getType().getClassDesc().getId();
2272 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2273 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2275 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2279 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2282 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2285 public void generateFlatSESEEnterNode(FlatMethod fm,
2286 FlatSESEEnterNode fsen,
2287 PrintWriter output) {
2288 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2289 // just skip over them and code generates exactly the same
2292 public void generateFlatSESEExitNode(FlatMethod fm,
2293 FlatSESEExitNode fsexn,
2294 PrintWriter output) {
2295 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2296 // just skip over them and code generates exactly the same
2299 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2300 FlatWriteDynamicVarNode fwdvn,
2301 PrintWriter output) {
2305 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2306 if (state.CONSCHECK) {
2307 String specname=fcn.getSpec();
2308 String varname="repairstate___";
2309 output.println("{");
2310 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2312 TempDescriptor[] temps=fcn.getTemps();
2313 String[] vars=fcn.getVars();
2314 for(int i=0; i<temps.length; i++) {
2315 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2318 output.println("if (doanalysis"+specname+"("+varname+")) {");
2319 output.println("free"+specname+"_state("+varname+");");
2320 output.println("} else {");
2321 output.println("/* Bad invariant */");
2322 output.println("free"+specname+"_state("+varname+");");
2323 output.println("abort_task();");
2324 output.println("}");
2325 output.println("}");
2329 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2330 MethodDescriptor md=fc.getMethod();
2331 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2332 ClassDescriptor cn=md.getClassDesc();
2333 String mdstring = md.getSafeMethodDescriptor();
2334 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2335 mdstring += "staticinit";
2338 // if the called method is a static block or a static method or a constructor
2339 // need to check if it can be invoked inside some static block
2340 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2341 ((fm.getMethod() != null) && ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())))) {
2342 if(!md.isInvokedByStatic()) {
2343 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2345 // is a static block or is invoked in some static block
2346 ClassDescriptor cd = fm.getMethod().getClassDesc();
2348 // the same class, do nothing
2349 } else if(mgcstaticinit) {
2350 // generate static init check code if it has not done static init in main()
2351 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2352 // need to check if the class' static fields have been initialized and/or
2353 // its static blocks have been executed
2354 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2355 if(cn.getNumStaticBlocks() != 0) {
2356 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2357 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2358 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2359 output.println("0, NULL};");
2360 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2362 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2365 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2367 output.println("}");
2371 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2372 output.println("{");
2373 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2374 output.println("int monitorenterline = __LINE__;");
2376 // call MonitorEnter/MonitorExit on a class obj
2377 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2378 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2379 output.println("1," + localsprefixaddr + ", global_defs_p->"+ fc.getThis().getType().getClassDesc().getSafeSymbol() +"classobj};");
2380 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2381 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__, monitorenterline);");
2383 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2386 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2387 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(global_defs_p->"
2388 + fc.getThis().getType().getClassDesc().getSafeSymbol() +"classobj));");
2390 output.println("}");
2394 output.println("{");
2395 if(md.getSymbol().equals("MonitorEnter")) {
2396 output.println("int monitorenterline = __LINE__;");
2398 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2399 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2400 output.print(objectparams.numPointers());
2401 output.print(", "+localsprefixaddr);
2402 if (md.getThis()!=null) {
2404 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2406 if (fc.getThis()!=null&&md.getThis()==null) {
2407 System.out.println("WARNING!!!!!!!!!!!!");
2408 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2412 for(int i=0; i<fc.numArgs(); i++) {
2413 Descriptor var=md.getParameter(i);
2414 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2415 if (objectparams.isParamPtr(paramtemp)) {
2416 TempDescriptor targ=fc.getArg(i);
2418 TypeDescriptor td=md.getParamType(i);
2420 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2422 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2425 output.println("};");
2430 if (fc.getReturnTemp()!=null)
2431 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2433 /* Do we need to do virtual dispatch? */
2434 if (!md.isStatic()&&md.getReturnType()!=null&&fc.getThis().getType().getClassDesc()==null) {
2435 System.out.println(fm);
2436 System.out.println(md);
2437 System.out.println(fc);
2438 System.out.println(fm.printMethod());
2441 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)||fc.getSuper()) {
2443 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2447 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2448 output.print("int ");
2449 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2450 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2452 output.print(md.getReturnType().getSafeSymbol()+" ");
2453 output.print("(*)(");
2455 boolean printcomma=false;
2456 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2457 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2461 for(int i=0; i<objectparams.numPrimitives(); i++) {
2462 TempDescriptor temp=objectparams.getPrimitive(i);
2466 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2467 output.print("int ");
2468 } else if (temp.getType().isClass()||temp.getType().isArray())
2469 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2471 output.print(temp.getType().getSafeSymbol());
2474 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2475 output.print(", int");
2477 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2481 boolean needcomma=false;
2482 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2483 output.print("&__parameterlist__");
2487 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2488 if (fc.getThis()!=null) {
2489 TypeDescriptor ptd=null;
2490 if(md.getThis() != null) {
2491 ptd = md.getThis().getType();
2493 ptd = fc.getThis().getType();
2497 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2499 } else if (ptd.isClass()&&!ptd.isArray())
2500 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2501 output.print(generateTemp(fm,fc.getThis()));
2506 for(int i=0; i<fc.numArgs(); i++) {
2507 Descriptor var=md.getParameter(i);
2508 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2509 if (objectparams.isParamPrim(paramtemp)) {
2510 TempDescriptor targ=fc.getArg(i);
2514 TypeDescriptor ptd=md.getParamType(i);
2515 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2517 } else if (ptd.isClass()&&!ptd.isArray())
2518 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2519 output.print(generateTemp(fm, targ));
2523 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2524 output.println(", monitorenterline);");
2526 output.println(");");
2528 output.println(" }");
2531 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2532 if(thiscd.isInterface()) {
2533 // for interfaces, always need virtual dispatch
2536 Set subclasses=typeutil.getSubClasses(thiscd);
2537 if (subclasses==null)
2539 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2540 ClassDescriptor cd=(ClassDescriptor)classit.next();
2541 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2542 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2543 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2544 if (md.matches(matchmd))
2552 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2554 if(ffn.getField().isStatic()) {
2556 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2557 // is a static block or is invoked in some static block
2558 ClassDescriptor cd = fm.getMethod().getClassDesc();
2559 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2561 // the same class, do nothing
2562 } else if(mgcstaticinit) {
2563 // generate the static init check code if has not done the static init in main()
2564 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2565 // need to check if the class' static fields have been initialized and/or
2566 // its static blocks have been executed
2567 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2568 if(cn.getNumStaticBlocks() != 0) {
2569 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2570 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2571 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2572 output.println("0, NULL};");
2573 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2575 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2578 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2580 output.println("}");
2584 // redirect to the global_defs_p structure
2585 if (ffn.getField().getType().isPtr())
2586 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2588 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2589 } else if (ffn.getField().isEnum()) {
2590 // an Enum value, directly replace the field access as int
2591 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2593 output.println("#ifdef MULTICORE_DEBUG");
2594 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2595 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2596 if(state.MULTICOREGC) {
2597 output.println("failednullptr(&___locals___);");
2599 output.println("failednullptr(NULL);");
2601 output.println("}");
2602 output.println("#endif //MULTICORE_DEBUG");
2603 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2608 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2609 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2610 throw new Error("Can't set array length");
2611 if (state.FASTCHECK) {
2612 String dst=generateTemp(fm, fsfn.getDst());
2613 output.println("if(!"+dst+"->"+localcopystr+") {");
2614 /* Link object into list */
2615 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2616 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2618 output.println("COPY_OBJ("+dst+");");
2619 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2620 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2621 output.println("}");
2624 if(fsfn.getField().isStatic()) {
2626 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2627 // is a static block or is invoked in some static block
2628 ClassDescriptor cd = fm.getMethod().getClassDesc();
2629 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2631 // the same class, do nothing
2632 } else if(mgcstaticinit){
2633 // generate static init check code if has not done the static init in main()
2634 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2635 // need to check if the class' static fields have been initialized and/or
2636 // its static blocks have been executed
2637 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2638 if(cn.getNumStaticBlocks() != 0) {
2639 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2640 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2641 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2642 output.println("0, NULL};");
2643 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2645 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2648 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2650 output.println("}");
2654 // redirect to the global_defs_p structure
2655 if (fsfn.getField().getType().isPtr())
2656 output.println("global_defs_p->" +
2657 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2659 output.println("global_defsprim_p->" +
2660 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2662 output.println("#ifdef MULTICORE_DEBUG");
2663 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2664 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2665 if(state.MULTICOREGC) {
2666 output.println("failednullptr(&___locals___);");
2668 output.println("failednullptr(NULL);");
2670 output.println("}");
2671 output.println("#endif //MULTICORE_DEBUG");
2672 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2673 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2678 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2679 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2682 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2684 } else if (elementtype.isArray()||elementtype.isClass())
2687 type=elementtype.getSafeSymbol()+" ";
2689 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2690 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
2691 output.println("failedboundschk(" + (boundschknum++) + ");");
2693 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
2696 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
2697 //TODO: need dynamic check to make sure this assignment is actually legal
2698 //Because Object[] could actually be something more specific...ie. Integer[]
2700 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2703 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2705 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
2708 type=elementtype.getSafeSymbol()+" ";
2710 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2711 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
2712 output.println("failedboundschk(" + (boundschknum++) + ");");
2714 if (state.FASTCHECK) {
2715 String dst=generateTemp(fm, fsen.getDst());
2716 output.println("if(!"+dst+"->"+localcopystr+") {");
2717 /* Link object into list */
2718 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2719 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2721 output.println("COPY_OBJ("+dst+");");
2722 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2723 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2724 output.println("}");
2726 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2730 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
2731 if (fn.getType().isArray()) {
2732 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2733 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2734 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2736 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2739 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2740 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2742 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2745 if (state.FASTCHECK) {
2746 String dst=generateTemp(fm,fn.getDst());
2747 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2748 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2749 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2753 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
2754 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2755 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
2757 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
2761 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
2762 if (fon.getRight()!=null) {
2763 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2764 if (fon.getLeft().getType().isLong())
2765 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2767 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2770 if (fon.getLeft().getType().isPtr()&&fon.getLeft().getType()!=fon.getRight().getType()&&!fon.getRight().getType().isNull())
2771 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getRight().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2773 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2775 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2776 if (fon.getDest().getType().isPtr()&&fon.getDest().getType()!=fon.getLeft().getType())
2777 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getDest().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+";");
2779 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2780 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2781 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2782 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2783 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
2784 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2785 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
2786 else if (fon.getOp().getOp()==Operation.COMP)
2787 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
2788 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2789 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
2791 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
2794 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
2795 /* TODO: Do type check here */
2796 if (fcn.getType().isArray()) {
2797 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
2798 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
2799 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
2800 } else if (fcn.getType().isClass())
2801 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
2803 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
2808 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
2809 if (fln.getValue()==null)
2810 output.println(generateTemp(fm, fln.getDst())+"=0;");
2811 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2812 String str=(String)fln.getValue();
2813 output.println("{");
2814 output.print("short str"+flncount+"[]={");
2815 for(int i=0;i<str.length();i++) {
2818 output.print(((int)str.charAt(i)));
2820 output.println("};");
2821 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2822 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort("+localsprefixaddr+", str"+flncount+", "+((String)fln.getValue()).length()+");");
2824 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort(str"+flncount+" ,"+((String)fln.getValue()).length()+");");
2826 output.println("}");
2828 } else if (fln.getType().isBoolean()) {
2829 if (((Boolean)fln.getValue()).booleanValue())
2830 output.println(generateTemp(fm, fln.getDst())+"=1;");
2832 output.println(generateTemp(fm, fln.getDst())+"=0;");
2833 } else if (fln.getType().isChar()) {
2834 int val=(int)(((Character)fln.getValue()).charValue());
2835 output.println(generateTemp(fm, fln.getDst())+"="+val+";");
2836 } else if (fln.getType().isLong()) {
2837 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
2839 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
2842 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
2843 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2844 // a static block, check if it has been executed
2845 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2849 if (frn.getReturnTemp()!=null) {
2850 if (frn.getReturnTemp().getType().isPtr())
2851 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
2853 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
2855 output.println("return;");
2859 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
2860 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
2863 /** This method generates header information for the method or
2864 * task referenced by the Descriptor des. */
2865 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
2866 generateHeader(fm, des, output, false);
2869 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
2871 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
2872 MethodDescriptor md=null;
2873 TaskDescriptor task=null;
2874 if (des instanceof MethodDescriptor)
2875 md=(MethodDescriptor) des;
2877 task=(TaskDescriptor) des;
2878 String mdstring = md != null ? md.getSafeMethodDescriptor() : null;
2880 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2882 if (md!=null&&md.getReturnType()!=null) {
2883 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2884 output.print("int ");
2885 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2886 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2888 output.print(md.getReturnType().getSafeSymbol()+" ");
2890 //catch the constructor case
2891 output.print("void ");
2893 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2894 mdstring += "staticinit";
2896 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
2898 output.print(task.getSafeSymbol()+"(");
2900 boolean printcomma=false;
2901 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2903 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
2905 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2911 for(int i=0; i<objectparams.numPrimitives(); i++) {
2912 TempDescriptor temp=objectparams.getPrimitive(i);
2916 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2917 output.print("int " + temp.getSafeSymbol());
2918 } else if (temp.getType().isClass()||temp.getType().isArray())
2919 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2921 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2923 output.println(") {");
2924 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2925 /* Imprecise Task */
2926 output.println("void * parameterarray[]) {");
2927 /* Unpack variables */
2928 for(int i=0; i<objectparams.numPrimitives(); i++) {
2929 TempDescriptor temp=objectparams.getPrimitive(i);
2930 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2931 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
2933 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2936 for(int i=0; i<fm.numTags(); i++) {
2937 TempDescriptor temp=fm.getTag(i);
2938 int offset=i+objectparams.numPrimitives();
2939 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2942 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2943 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2944 } else output.println(") {");
2947 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
2948 output.println("/* FlatFlagActionNode */");
2951 /* Process tag changes */
2952 Relation tagsettable=new Relation();
2953 Relation tagcleartable=new Relation();
2955 Iterator tagsit=ffan.getTempTagPairs();
2956 while (tagsit.hasNext()) {
2957 TempTagPair ttp=(TempTagPair) tagsit.next();
2958 TempDescriptor objtmp=ttp.getTemp();
2959 TagDescriptor tag=ttp.getTag();
2960 TempDescriptor tagtmp=ttp.getTagTemp();
2961 boolean tagstatus=ffan.getTagChange(ttp);
2963 tagsettable.put(objtmp, tagtmp);
2965 tagcleartable.put(objtmp, tagtmp);
2970 Hashtable flagandtable=new Hashtable();
2971 Hashtable flagortable=new Hashtable();
2973 /* Process flag changes */
2974 Iterator flagsit=ffan.getTempFlagPairs();
2975 while(flagsit.hasNext()) {
2976 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2977 TempDescriptor temp=tfp.getTemp();
2978 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2979 FlagDescriptor flag=tfp.getFlag();
2981 //Newly allocate objects that don't set any flags case
2982 if (flagortable.containsKey(temp)) {
2986 flagortable.put(temp,new Integer(mask));
2988 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2989 boolean flagstatus=ffan.getFlagChange(tfp);
2992 if (flagortable.containsKey(temp)) {
2993 mask=((Integer)flagortable.get(temp)).intValue();
2996 flagortable.put(temp,new Integer(mask));
2998 int mask=0xFFFFFFFF;
2999 if (flagandtable.containsKey(temp)) {
3000 mask=((Integer)flagandtable.get(temp)).intValue();
3002 mask&=(0xFFFFFFFF^flagid);
3003 flagandtable.put(temp,new Integer(mask));
3009 HashSet flagtagset=new HashSet();
3010 flagtagset.addAll(flagortable.keySet());
3011 flagtagset.addAll(flagandtable.keySet());
3012 flagtagset.addAll(tagsettable.keySet());
3013 flagtagset.addAll(tagcleartable.keySet());
3015 Iterator ftit=flagtagset.iterator();
3016 while(ftit.hasNext()) {
3017 TempDescriptor temp=(TempDescriptor)ftit.next();
3020 Set tagtmps=tagcleartable.get(temp);
3021 if (tagtmps!=null) {
3022 Iterator tagit=tagtmps.iterator();
3023 while(tagit.hasNext()) {
3024 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3025 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3026 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3028 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3032 tagtmps=tagsettable.get(temp);
3033 if (tagtmps!=null) {
3034 Iterator tagit=tagtmps.iterator();
3035 while(tagit.hasNext()) {
3036 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3037 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3038 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3040 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3045 int andmask=0xFFFFFFF;
3047 if (flagortable.containsKey(temp))
3048 ormask=((Integer)flagortable.get(temp)).intValue();
3049 if (flagandtable.containsKey(temp))
3050 andmask=((Integer)flagandtable.get(temp)).intValue();
3051 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
3052 generateObjectDistribute(ffan, fm, temp, output);
3056 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
3057 PrintWriter output, int ormask, int andmask) {
3058 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3059 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3061 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3065 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
3066 output.println("enqueueObject("+generateTemp(fm, temp)+");");
3069 void generateOptionalHeader(PrintWriter headers) {
3072 headers.println("#include \"task.h\"\n\n");
3073 headers.println("#ifndef _OPTIONAL_STRUCT_");
3074 headers.println("#define _OPTIONAL_STRUCT_");
3076 //STRUCT PREDICATEMEMBER
3077 headers.println("struct predicatemember{");
3078 headers.println("int type;");
3079 headers.println("int numdnfterms;");
3080 headers.println("int * flags;");
3081 headers.println("int numtags;");
3082 headers.println("int * tags;\n};\n\n");
3084 //STRUCT OPTIONALTASKDESCRIPTOR
3085 headers.println("struct optionaltaskdescriptor{");
3086 headers.println("struct taskdescriptor * task;");
3087 headers.println("int index;");
3088 headers.println("int numenterflags;");
3089 headers.println("int * enterflags;");
3090 headers.println("int numpredicatemembers;");
3091 headers.println("struct predicatemember ** predicatememberarray;");
3092 headers.println("};\n\n");
3094 //STRUCT TASKFAILURE
3095 headers.println("struct taskfailure {");
3096 headers.println("struct taskdescriptor * task;");
3097 headers.println("int index;");
3098 headers.println("int numoptionaltaskdescriptors;");
3099 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3101 //STRUCT FSANALYSISWRAPPER
3102 headers.println("struct fsanalysiswrapper{");
3103 headers.println("int flags;");
3104 headers.println("int numtags;");
3105 headers.println("int * tags;");
3106 headers.println("int numtaskfailures;");
3107 headers.println("struct taskfailure ** taskfailurearray;");
3108 headers.println("int numoptionaltaskdescriptors;");
3109 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3111 //STRUCT CLASSANALYSISWRAPPER
3112 headers.println("struct classanalysiswrapper{");
3113 headers.println("int type;");
3114 headers.println("int numotd;");
3115 headers.println("struct optionaltaskdescriptor ** otdarray;");
3116 headers.println("int numfsanalysiswrappers;");
3117 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3119 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3121 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3122 while(taskit.hasNext()) {
3123 TaskDescriptor td=(TaskDescriptor)taskit.next();
3124 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3129 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3130 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3131 int predicateindex = 0;
3132 //iterate through the classes concerned by the predicate
3133 Set c_vard = predicate.vardescriptors;
3134 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3137 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
3138 VarDescriptor vard = (VarDescriptor)vard_it.next();
3139 TypeDescriptor typed = vard.getType();
3141 //generate for flags
3142 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3143 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3145 if (fen_hashset!=null) {
3146 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
3147 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3149 DNFFlag dflag=fen.getDNF();
3150 numberterms+=dflag.size();
3152 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3154 for(int j=0; j<dflag.size(); j++) {
3156 output.println(",");
3157 Vector term=dflag.get(j);
3160 for(int k=0; k<term.size(); k++) {
3161 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3162 FlagDescriptor fd=dfa.getFlag();
3163 boolean negated=dfa.getNegated();
3164 int flagid=1<<((Integer)flags.get(fd)).intValue();
3169 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3174 output.println("};\n");
3177 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3178 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3181 for(int j=0; j<tagel.numTags(); j++) {
3183 output.println(",");
3184 TempDescriptor tmp=tagel.getTemp(j);
3185 if (!slotnumber.containsKey(tmp)) {
3186 Integer slotint=new Integer(current_slot++);
3187 slotnumber.put(tmp,slotint);
3189 int slot=slotnumber.get(tmp).intValue();
3190 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3192 numtags = tagel.numTags();
3194 output.println("};");
3196 //store the result into a predicatemember struct
3197 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3198 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3199 output.println("/* number of dnf terms */"+numberterms+",");
3200 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3201 output.println("/* number of tag */"+numtags+",");
3202 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3203 output.println("};\n");
3208 //generate an array that stores the entire predicate
3209 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3210 for( int j = 0; j<predicateindex; j++) {
3211 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3212 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3214 output.println("};\n");
3215 return predicateindex;
3219 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3220 generateOptionalHeader(headers);
3222 output.println("#include \"optionalstruct.h\"\n\n");
3223 output.println("#include \"stdlib.h\"\n");
3225 HashSet processedcd = new HashSet();
3227 Enumeration e = safeexecution.keys();
3228 while (e.hasMoreElements()) {
3231 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3232 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3234 //Generate the struct of optionals
3235 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3236 numotd = c_otd.size();
3237 if(maxotd<numotd) maxotd = numotd;
3238 if( !c_otd.isEmpty() ) {
3239 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3240 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3242 //generate the int arrays for the predicate
3243 Predicate predicate = otd.predicate;
3244 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3245 TreeSet<Integer> fsset=new TreeSet<Integer>();
3246 //iterate through possible FSes corresponding to
3247 //the state when entering
3249 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3250 FlagState fs = (FlagState)fses.next();
3252 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3253 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3254 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3257 fsset.add(new Integer(flagid));
3258 //tag information not needed because tag
3259 //changes are not tolerated.
3262 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3263 boolean needcomma=false;
3264 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3267 output.println(it.next());
3270 output.println("};\n");
3273 //generate optionaltaskdescriptor that actually
3274 //includes exit fses, predicate and the task
3276 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3277 output.println("&task_"+otd.td.getSafeSymbol()+",");
3278 output.println("/*index*/"+otd.getIndex()+",");
3279 output.println("/*number of enter flags*/"+fsset.size()+",");
3280 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3281 output.println("/*number of members */"+predicateindex+",");
3282 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3283 output.println("};\n");
3287 // if there are no optionals, there is no need to build the rest of the struct
3289 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3290 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3291 if( !c_otd.isEmpty() ) {
3292 boolean needcomma=false;
3293 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3294 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3296 output.println(",");
3298 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3301 output.println("};\n");
3303 //get all the possible flagstates reachable by an object
3304 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3306 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3307 fsts.addAll(hashtbtemp.keySet());
3308 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3309 FlagState fs = (FlagState)fsit.next();
3312 //get the set of OptionalTaskDescriptors corresponding
3313 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3314 //iterate through the OptionalTaskDescriptors and
3315 //store the pointers to the optionals struct (see on
3316 //top) into an array
3318 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3319 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3320 OptionalTaskDescriptor mm = mos.next();
3322 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3324 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3327 output.println("};\n");
3329 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3332 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3333 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3334 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3338 //process tag information
3341 boolean first = true;
3342 Enumeration tag_enum = fs.getTags();
3343 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3344 while(tag_enum.hasMoreElements()) {
3346 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3350 output.println(", ");
3351 output.println("/*tagid*/"+state.getTagId(tagd));
3353 output.println("};");
3355 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3356 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3357 TaskIndex ti=itti.next();
3361 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3363 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3364 boolean needcomma=false;
3365 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3366 OptionalTaskDescriptor otd=otdit.next();
3370 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3372 output.println("};");
3374 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3375 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3376 output.print(ti.getIndex()+", ");
3377 output.print(otdset.size()+", ");
3378 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3379 output.println("};");
3382 tiset=sa.getTaskIndex(fs);
3383 boolean needcomma=false;
3385 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3386 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3387 TaskIndex ti=itti.next();
3388 if (ti.isRuntime()) {
3395 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3397 output.println("};\n");
3399 //Store the result in fsanalysiswrapper
3401 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3402 output.println("/*flag*/"+flagid+",");
3403 output.println("/* number of tags*/"+tagcounter+",");
3404 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3405 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3406 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3407 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3408 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3409 output.println("};\n");
3413 //Build the array of fsanalysiswrappers
3414 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3415 boolean needcomma=false;
3416 for(int i = 0; i<fscounter; i++) {
3417 if (needcomma) output.print(",");
3418 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3421 output.println("};");
3423 //Build the classanalysiswrapper referring to the previous array
3424 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3425 output.println("/*type*/"+cdtemp.getId()+",");
3426 output.println("/*numotd*/"+numotd+",");
3427 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3428 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3429 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3430 processedcd.add(cdtemp);
3433 //build an array containing every classes for which code has been build
3434 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3435 for(int i=0; i<state.numClasses(); i++) {
3436 ClassDescriptor cn=cdarray[i];
3439 if ((cn != null) && (processedcd.contains(cn)))
3440 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3442 output.print("NULL");
3444 output.println("};");
3446 output.println("#define MAXOTD "+maxotd);
3447 headers.println("#endif");
3450 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3451 Relation r=new Relation();
3452 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3453 OptionalTaskDescriptor otd=otdit.next();
3454 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3458 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3459 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3460 Set s=r.get(it.next());
3461 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3462 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3470 // override these methods in a subclass of BuildCode
3471 // to generate code for additional systems
3472 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3474 protected void outputTransCode(PrintWriter output) {
3476 protected void buildCodeSetup() {
3478 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3480 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3482 protected void preCodeGenInitialization() {
3484 protected void postCodeGenCleanUp() {
3486 protected void additionalCodeGen(PrintWriter outmethodheader,
3487 PrintWriter outstructs,
3488 PrintWriter outmethod) {
3490 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3492 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3494 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3496 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3498 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3500 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3502 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3504 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3506 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3509 private void printSourceLineNumber(FlatMethod fm, FlatNode fn, PrintWriter output) {
3510 // we do not print out line number if no one explicitly set the number
3511 if(fn.getNumLine()!=-1){
3513 int lineNum=fn.getNumLine();
3515 // do not generate the line number if it is same as the previous one
3516 boolean needtoprint;
3517 if(fn.prev.size()==0){
3523 for(int i=0;i<fn.prev.size();i++){
3524 int prevLineNum=((FlatNode)fn.prev.get(i)).getNumLine();
3525 if(prevLineNum!=lineNum){
3531 output.println("// "+fm.getMethod().getClassDesc().getSourceFileName()+":"+fn.getNumLine());